From a6e03280459ebd001a272ceec4f0e407cc9bcb4d Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 21 Mar 2017 19:22:44 -0400 Subject: [PATCH 01/19] initial set up P6 --- .gitignore | 2 + deploy.js | 22 ++++++ index.html | 42 ++++++++++++ package.json | 26 ++++++++ src/agent.js | 19 ++++++ src/bio_crowd.js | 148 +++++++++++++++++++++++++++++++++++++++++ src/framework.js | 75 +++++++++++++++++++++ src/main.js | 166 ++++++++++++++++++++++++++++++++++++++++++++++ webpack.config.js | 33 +++++++++ 9 files changed, 533 insertions(+) create mode 100644 .gitignore create mode 100644 deploy.js create mode 100644 index.html create mode 100644 package.json create mode 100644 src/agent.js create mode 100644 src/bio_crowd.js create mode 100644 src/framework.js create mode 100644 src/main.js create mode 100644 webpack.config.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..5171c540 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +node_modules +npm-debug.log \ No newline at end of file diff --git a/deploy.js b/deploy.js new file mode 100644 index 00000000..57204bec --- /dev/null +++ b/deploy.js @@ -0,0 +1,22 @@ +var colors = require('colors'); +var path = require('path'); +var git = require('simple-git')(__dirname); + +git.status(function(err, status) { + if (err) throw err; + if (!status.isClean()) { + console.error('Error: You have uncommitted changes! Please commit them first'.red); + } else { + git.raw(['subtree', 'split', '--prefix', 'build', '-b', 'gh-pages'], function(err, result) { + if (err) console.warn(err.toString().yellow); + + git.push(['origin', 'gh-pages', '-f'], function(err, result) { + if (err) { + console.error(err.toString().red); + } else { + console.log('Deployed!'.green); + } + }); + }) + } +}) \ No newline at end of file diff --git a/index.html b/index.html new file mode 100644 index 00000000..7d18b14c --- /dev/null +++ b/index.html @@ -0,0 +1,42 @@ + + + + BioCrowds + + + +
+
+

+

+
+
+ + + + diff --git a/package.json b/package.json new file mode 100644 index 00000000..b3b6e730 --- /dev/null +++ b/package.json @@ -0,0 +1,26 @@ +{ + "scripts": { + "start": "webpack-dev-server --hot --inline", + "deploy": "npm run build && node deploy.js", + "build": "webpack" + }, + "dependencies": { + "dat-gui": "^0.5.0", + "gl-matrix": "^2.3.2", + "stats-js": "^1.0.0-alpha1", + "three": "^0.82.1", + "three-obj-loader": "^1.0.2", + "three-orbit-controls": "^82.1.0" + }, + "devDependencies": { + "babel-core": "^6.18.2", + "babel-loader": "^6.2.8", + "babel-preset-es2015": "^6.18.0", + "colors": "^1.1.2", + "file-loader": "^0.10.0", + "simple-git": "^1.66.0", + "webpack": "^1.13.3", + "webpack-dev-server": "^1.16.2", + "webpack-glsl-loader": "^1.0.1" + } +} diff --git a/src/agent.js b/src/agent.js new file mode 100644 index 00000000..bd24b30a --- /dev/null +++ b/src/agent.js @@ -0,0 +1,19 @@ +const THREE = require('three') + +export default class Agent { + constructor(pos, vel, goal, ori, size, markers) { + this.init(pos, vel, goal, ori, size, markers); + } + + init(pos, vel, goal, ori, size, markers) { + this.pos = pos; + this.vel = vel; + this.goal = goal; + this.ori = ori; + this.size = size; + this.markers = markers; + } + + update() { + + } diff --git a/src/bio_crowd.js b/src/bio_crowd.js new file mode 100644 index 00000000..3f272a2b --- /dev/null +++ b/src/bio_crowd.js @@ -0,0 +1,148 @@ +const THREE = require('three'); + +import Agent from './agent.js'; + +function Marker(pos, owner) { + this.pos = pos; + this.owner = owner; +} + +export default class BioCrowd { + + constructor(App) { + this.init(App); + } + + init(App) { + this.isPaused = false; + VISUAL_DEBUG = App.config.visualDebug; + + this.gridCellWidth = App.config.gridCellWidth; + this.gridCellHeight = App.config.gridCellHeight; + this.gridCellDepth = App.config.gridCellDepth; + this.gridWidth = App.config.gridWidth; + this.gridHeight = App.config.gridHeight; + this.gridDepth = App.config.gridDepth; + + this.camera = App.camera; + this.scene = App.scene; + + this.voxels = []; + + this.showMakers = true; + }; + + reset() { + this.scene.remove(this.mesh); + }; + + // Convert from 1D index to 3D indices + i1toi2(i1) { + return [i1 % this.res, ~~ ((i1 % this.res2) / this.res)]; + }; + + // Convert from 3D indices to 1 1D + i2toi1(ix, iy) { + return ix + iy * this.res; + }; + + // Convert from 3D indices to 3D positions + i3toPos(i3) { + return new THREE.Vector3( + i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth, + i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight, + i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth + ); + }; + + setupGrid() { + // Allocate voxels based on our grid resolution + this.gridCells = []; + for (var i = 0; i < this.res3; i++) { + var i3 = this.i1toi3(i); + var {x, y, z} = this.i3toPos(i3); + var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth); + this.voxels.push(voxel); + + if (VISUAL_DEBUG) { + this.scene.add(voxel.wireframe); + this.scene.add(voxel.mesh); + } + } + } + + setupMetaballs() { + + var x, y, z, vx, vy, vz, radius, pos, vel; + var matLambertWhite = LAMBERT_WHITE; + var maxRadiusTRippled = this.maxRadius * 3; + var maxRadiusDoubled = this.maxRadius * 2; + + // Randomly generate metaballs with different sizes and velocities + for (var i = 0; i < this.numMetaballs; i++) { + x = this.gridWidth / 2; + y = this.gridHeight / 2; + z = this.gridDepth / 2; + pos = new THREE.Vector3(3, 3, 3); + + vx = 0 + vy = (Math.random() * 2 - 1) * this.maxSpeedY/10; + vz = 0 + vel = new THREE.Vector3(vx, vy, vz); + + radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius; + var neg = 1; + if (Math.random()>0.75) neg = -1; + var ball = new Metaball(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG); + balls.push(ball); + + // if (VISUAL_DEBUG) { + // this.scene.add(ball.mesh); + // } + } + this.balls = balls; + } + + update() { + + if (this.isPaused) { + return; + } + + } + + pause() { + this.isPaused = true; + } + + play() { + this.isPaused = false; + } + + show() { + for (var i = 0; i < this.res3; i++) { + this.voxels[i].show(); + } + this.showGrid = true; + }; + + hide() { + for (var i = 0; i < this.res3; i++) { + this.voxels[i].hide(); + } + this.showGrid = false; + }; + +// ------------------------------------------- // + +class GridCell { + + constructor() { + this.init(); + } + + init(pos, isovalue, visualDebug) { + this.pos = pos; + this.markers = []; + }; +} diff --git a/src/framework.js b/src/framework.js new file mode 100644 index 00000000..9912747e --- /dev/null +++ b/src/framework.js @@ -0,0 +1,75 @@ + +const THREE = require('three'); +const OrbitControls = require('three-orbit-controls')(THREE) +import Stats from 'stats-js' +import DAT from 'dat-gui' + +// when the scene is done initializing, the function passed as `callback` will be executed +// then, every frame, the function passed as `update` will be executed +function init(callback, update) { + var stats = new Stats(); + stats.setMode(1); + stats.domElement.style.position = 'absolute'; + stats.domElement.style.left = '0px'; + stats.domElement.style.top = '0px'; + document.body.appendChild(stats.domElement); + + var gui = new DAT.GUI(); + + var framework = { + gui: gui, + stats: stats + }; + + // run this function after the window loads + window.addEventListener('load', function() { + + var scene = new THREE.Scene(); + var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 ); + var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} ); + renderer.setPixelRatio(window.devicePixelRatio); + renderer.setSize(window.innerWidth, window.innerHeight); + renderer.setClearColor(0x020202, 0); + + var controls = new OrbitControls(camera, renderer.domElement); + controls.enableDamping = true; + controls.enableZoom = true; + controls.target.set(0, 0, 0); + controls.rotateSpeed = 0.3; + controls.zoomSpeed = 1.0; + controls.panSpeed = 2.0; + controls.addEventListener('change', function() { + camera.hasMoved = true; + }); + + document.body.appendChild(renderer.domElement); + + // resize the canvas when the window changes + window.addEventListener('resize', function() { + camera.aspect = window.innerWidth / window.innerHeight; + camera.updateProjectionMatrix(); + renderer.setSize(window.innerWidth, window.innerHeight); + }, false); + + // assign THREE.js objects to the object we will return + framework.scene = scene; + framework.camera = camera; + framework.renderer = renderer; + + // begin the animation loop + (function tick() { + stats.begin(); + update(framework); // perform any requested updates + renderer.render(scene, camera); // render the scene + stats.end(); + requestAnimationFrame(tick); // register to call this again when the browser renders a new frame + })(); + + // we will pass the scene, gui, renderer, camera, etc... to the callback function + return callback(framework); + }); +} + +export default { + init: init +} diff --git a/src/main.js b/src/main.js new file mode 100644 index 00000000..0aae5e9e --- /dev/null +++ b/src/main.js @@ -0,0 +1,166 @@ +const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much +//const OBJLoader = require('three-obj-loader'); +//OBJLoader(THREE) + +import Framework from './framework' +import MarchingCubes from './bio_crowd.js' + +const DEFAULT_VISUAL_DEBUG = false; +const DEFAULT_ISO_LEVEL = 1.0; +const DEFAULT_GRID_RES = 30; +const DEFAULT_GRID_WIDTH = 6; +const DEFAULT_GRID_HEIGHT = 17; +const DEFAULT_GRID_DEPTH = 6; +const DEFAULT_NUM_METABALLS = 7; +const DEFAULT_MIN_RADIUS = 0.5; +const DEFAULT_MAX_RADIUS = 1; +const DEFAULT_MAX_SPEEDX = 0.005; +const DEFAULT_MAX_SPEEDY = 0.3; + +var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'}; +var loaded = false; +var red = new THREE.Color(1.0,0.0,0.0); +var green = new THREE.Color(0.0,1.0,0.0); +var glassGeo; +var lampGeo; + +// glass, emissive, iridescent +var g_mat = { + uniforms: { + u_albedo: {type: 'v3', value: new THREE.Color(options.albedo)}, + u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)}, + u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)}, + u_lightIntensity: {type: 'f',value: options.lightIntensity} + }, + vertexShader: require('./shaders/glass-vert.glsl'), + fragmentShader: require('./shaders/glass-frag.glsl') +}; + +var App = { + // + marchingCubes: undefined, + config: { + // Global control of all visual debugging. + // This can be set to false to disallow any memory allocation of visual debugging components. + // **Note**: If your application experiences performance drop, disable this flag. + visualDebug: DEFAULT_VISUAL_DEBUG, + + // The isolevel for marching cubes + isolevel: DEFAULT_ISO_LEVEL, + + // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid + gridRes: DEFAULT_GRID_RES, + + // Total width of grid + gridWidth: DEFAULT_GRID_WIDTH, + + gridHeight: DEFAULT_GRID_HEIGHT, + + gridDepth: DEFAULT_GRID_DEPTH, + + // Width of each voxel + // Ideally, we want the voxel to be small (higher resolution) + gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, + gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, + gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES, + + // Number of metaballs + numMetaballs: DEFAULT_NUM_METABALLS, + + // Minimum radius of a metaball + minRadius: DEFAULT_MIN_RADIUS, + + // Maxium radius of a metaball + maxRadius: DEFAULT_MAX_RADIUS, + + // Maximum speed of a metaball + maxSpeedX: DEFAULT_MAX_SPEEDX, + maxSpeedY: DEFAULT_MAX_SPEEDY, + maxSpeedZ: DEFAULT_MAX_SPEEDX, + }, + + // Scene's framework objects + camera: undefined, + scene: undefined, + renderer: undefined, + + // Play/pause control for the simulation + isPaused: false, + color: 0xffffff +}; + +// called after the scene loads +function onLoad(framework) { + + var {scene, camera, renderer, gui, stats} = framework; + App.scene = scene; + App.camera = camera; + App.renderer = renderer; + + renderer.setClearColor( 0x111111 ); + //scene.add(new THREE.AxisHelper(20)); + + var objLoader = new THREE.OBJLoader(); + var obj = objLoader.load(require('./assets/glass.obj'), function(obj) { + glassGeo = obj.children[0].geometry; + var glass = new THREE.Mesh(glassGeo, GLASS_MAT); + glass.translateX(-1.5); + glass.translateZ(-1.5); + App.scene.add(glass); + loaded = true; + }); + + var obj = objLoader.load(require('./assets/lamp.obj'), function(obj) { + lampGeo = obj.children[0].geometry; + var lamp = new THREE.Mesh(lampGeo, METAL_MAT); + lamp.translateX(-1.5); + lamp.translateZ(-1.5); + App.scene.add(lamp); + }); + + setupCamera(App.camera); + setupLights(App.scene); + setupScene(App.scene); + setupGUI(gui); +} + +// called on frame updates +function onUpdate(framework) { + if (App.marchingCubes) { + App.marchingCubes.update(); + } +} + +function setupCamera(camera) { + // set camera position + camera.position.set(25, 10, 25); + camera.lookAt(new THREE.Vector3(1,0,1)); +} + +function setupLights(scene) { + + // Directional light + var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 ); + directionalLight.color.setHSL(0.1, 1, 0.95); + directionalLight.position.set(1, 10, 2); + directionalLight.position.multiplyScalar(10); + + scene.add(directionalLight); +} + +function setupScene(scene) { + App.marchingCubes = new MarchingCubes(App); +} + +function setupGUI(gui) { + + // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage + + gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function(value) { + App.marchingCubes.reset(); + App.marchingCubes = new MarchingCubes(App); + }); +} + +// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate +Framework.init(onLoad, onUpdate); diff --git a/webpack.config.js b/webpack.config.js new file mode 100644 index 00000000..d05c4cad --- /dev/null +++ b/webpack.config.js @@ -0,0 +1,33 @@ +const path = require('path'); + +module.exports = { + entry: path.join(__dirname, "src/main"), + output: { + path: path.join(__dirname, "build"), + filename: "bundle.js" + }, + module: { + loaders: [ + { + test: /\.js$/, + exclude: /(node_modules|bower_components)/, + loader: 'babel', + query: { + presets: ['es2015'] + } + }, + { + test: /\.glsl$/, + loader: "webpack-glsl" + }, + { + test: /\.(obj|bmp|gif|png)$/, + loader: 'file-loader?name=./assets/[name]-[hash:6].[ext]' + } + ] + }, + devtool: 'source-map', + devServer: { + port: 7000 + } +} \ No newline at end of file From 2bc45752f8abe32b61048227b0ed0b2d515c55f5 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Fri, 24 Mar 2017 18:09:01 -0400 Subject: [PATCH 02/19] setup --- src/agent.js | 19 ---- src/bio_crowd.js | 238 ++++++++++++++++++++++++++++++----------------- src/main.js | 146 +++++++++-------------------- 3 files changed, 196 insertions(+), 207 deletions(-) delete mode 100644 src/agent.js diff --git a/src/agent.js b/src/agent.js deleted file mode 100644 index bd24b30a..00000000 --- a/src/agent.js +++ /dev/null @@ -1,19 +0,0 @@ -const THREE = require('three') - -export default class Agent { - constructor(pos, vel, goal, ori, size, markers) { - this.init(pos, vel, goal, ori, size, markers); - } - - init(pos, vel, goal, ori, size, markers) { - this.pos = pos; - this.vel = vel; - this.goal = goal; - this.ori = ori; - this.size = size; - this.markers = markers; - } - - update() { - - } diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 3f272a2b..bea282a8 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -1,10 +1,19 @@ const THREE = require('three'); -import Agent from './agent.js'; -function Marker(pos, owner) { +function Marker(pos) { this.pos = pos; - this.owner = owner; + this.owner = null; +} + +function Agent(pos, i, vel, ori, goal, radius) { + this.pos = pos; + this.index = i; + this.vel = vel; + this.ori = ori; + this.goal = goal; + this.radius = size; + this.markers = []; } export default class BioCrowd { @@ -15,100 +24,143 @@ export default class BioCrowd { init(App) { this.isPaused = false; - VISUAL_DEBUG = App.config.visualDebug; - - this.gridCellWidth = App.config.gridCellWidth; - this.gridCellHeight = App.config.gridCellHeight; - this.gridCellDepth = App.config.gridCellDepth; - this.gridWidth = App.config.gridWidth; - this.gridHeight = App.config.gridHeight; - this.gridDepth = App.config.gridDepth; - + this.origin = new THREE.Vector2(0); + + // dimensions + this.grid = []; + this.maxMarkers = App.maxMarkers; + this.gridRes = App.gridRes; + this.gridRes2 = this.gridRes * this.gridRes; + this.cellRes = Math.floor(this.maxMarkers / this.gridRes2); + this.cellHeight = App.cellHeight; + this.cellWidth = App.cellWidth; + + // agents + this.agents = []; + this.numAgents = App.numAgents; + this.agentRadius = App.agentRadius; + this.dest = App.destination; + this.velocity = App.velocity; + + // scene data this.camera = App.camera; this.scene = App.scene; - this.voxels = []; - - this.showMakers = true; + this.debug = App.config.visualDebug; + // markers + this.markerGeo = new THREE.Geometry(); + this.markerMat = new THREE.PointsMaterial( { color: 0x7eed6f } ) + this.markerPoints = new THREE.Points( markerGeo, markerMat ); + this.markerPoints.geometry.verticesNeedUpdate = true; + // lines + this.lineGeo = new THREE.Geometry(); + this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) + this.lines = new THREE.LineSegments( lineGeo, lineMat ); + this.lines.geometry.verticesNeedUpdate = true; }; + // new grid and agents reset() { - this.scene.remove(this.mesh); + this.agents = []; + this.markers = []; + this.initGrid(); + this.initAgents(); }; - // Convert from 1D index to 3D indices - i1toi2(i1) { - return [i1 % this.res, ~~ ((i1 % this.res2) / this.res)]; - }; + // Convert from 1D index to 2D indices + i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.res2) / this.res)];}; - // Convert from 3D indices to 1 1D - i2toi1(ix, iy) { - return ix + iy * this.res; - }; + // Convert from 2D indices to 1D + i2toi1(ix, iy) { return ix + iy * this.gridRes; }; - // Convert from 3D indices to 3D positions - i3toPos(i3) { - return new THREE.Vector3( - i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth, - i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight, - i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth + // Convert from 2D indices to 2D positions + i2toPos(i2) { + return new THREE.Vector2( + i2[0] * this.cellWidth + this.origin.x, + i2[1] * this.cellHeight + this.origin.y, ); }; - setupGrid() { - // Allocate voxels based on our grid resolution - this.gridCells = []; - for (var i = 0; i < this.res3; i++) { - var i3 = this.i1toi3(i); - var {x, y, z} = this.i3toPos(i3); - var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth); - this.voxels.push(voxel); - - if (VISUAL_DEBUG) { - this.scene.add(voxel.wireframe); - this.scene.add(voxel.mesh); + // Convert from position to 2D indices + pos2i(vec2) { + var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth); + var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight); + return i2toi1(x, y); + }; + + initGrid() { + for (var i = 0; i < this.res2; i++) { + var i2 = this.i1toi2(i); + var pos = this.i2toPos(i2); + var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight); + this.grid.push(cell); + for (var j = 0; j < cell.markers.length; j++) { + this.markerGeo.vertices.push(pos); } } } - setupMetaballs() { - - var x, y, z, vx, vy, vz, radius, pos, vel; - var matLambertWhite = LAMBERT_WHITE; - var maxRadiusTRippled = this.maxRadius * 3; - var maxRadiusDoubled = this.maxRadius * 2; - - // Randomly generate metaballs with different sizes and velocities - for (var i = 0; i < this.numMetaballs; i++) { - x = this.gridWidth / 2; - y = this.gridHeight / 2; - z = this.gridDepth / 2; - pos = new THREE.Vector3(3, 3, 3); - - vx = 0 - vy = (Math.random() * 2 - 1) * this.maxSpeedY/10; - vz = 0 - vel = new THREE.Vector3(vx, vy, vz); - - radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius; - var neg = 1; - if (Math.random()>0.75) neg = -1; - var ball = new Metaball(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG); - balls.push(ball); - - // if (VISUAL_DEBUG) { - // this.scene.add(ball.mesh); - // } + initAgents() { + for (var i = 0; i < this.numAgents; i ++) { + var pos = new THREE.Vector2(Math.rand() * this.gridRes * this.cellWidth, + Math.rand() * this.gridRes * this.cellHeight); + pos.add(this.origin); + var i = this.pos2i(pos); + var vel = this.velocity; + var ori = Math.atan2(this.dest.y - pos.y, this.dest.x - pos.x); + var agent = new Agent(pos, i, vel, ori, this.dest, this.agentRadius); + select(agent); + this.agents.push(agent); } - this.balls = balls; } - update() { + // disassociate markers and agents + clear() { + for (var i = 0; i < this.agents.length; i ++) { + for (var j = 0; j < this.agents[i].markers.length; j ++) { + this.agents[i].markers[j] = null; + } + this.agents[i].markers = []; + } + this.lines.geometry = []; + } - if (this.isPaused) { - return; + select(agent) { + // check neighboring grid cells + var i2 = this.i1toi2(toiagent.index); + for (var i = i2.x - 1; i < i2.x + 2; i ++) { + for (var j = i2.y - 1; j < i2.y + 2; j++, x++) { + var grid = this.grid[i2toi1(i, j)]; + // for every marker in the grid + for (var g = 0; g < grid.markers.length; g++) { + var mark = grid.markers[g] + // no owner + if (mark) { + // within personal bubble + var x = mark.pos.x - agent.pos.x; var y = mark.pos.y - agent.pos.y; + var dist = Math.sqrt(x*x + y*y); + if (dist < agent.radius) { + mark.owner = agent; + agent.markers.push(mark); + this.lines.geometry.push(new THREE.Vector3(mark.pos.x, mark.pos.y, 0)); + this.lines.geometry.push(new THREE.Vector3(agent.pos.x, agent.pos.y, 0)); + } + } + } + } } + } + update() { + if (this.isPaused) return; + this.clear(); + // TODO update pos and velocity + + // pick markers + for (var i = 0; i < this.agents.length; i ++) { + this.select(this.agents[i]); + + } } pause() { @@ -120,29 +172,43 @@ export default class BioCrowd { } show() { - for (var i = 0; i < this.res3; i++) { - this.voxels[i].show(); - } - this.showGrid = true; + this.scene.add( this.markerPoints ); + this.scene.add( this.lines ); }; hide() { - for (var i = 0; i < this.res3; i++) { - this.voxels[i].hide(); - } - this.showGrid = false; + this.scene.remove(this.markerPoints); + this.scene.remove(this.lines); }; // ------------------------------------------- // class GridCell { - constructor() { - this.init(); + constructor(pos, num, w, h) { + this.init(pos, num, w, h); } - init(pos, isovalue, visualDebug) { + init(pos, num, w, h) { this.pos = pos; + this.width = w; + this.height = h; this.markers = []; - }; + this.scatter(num); + } + + // stratified sampling + scatter(num) { + var sqrtVal = Math.floor(Math::sqrt(num) + 0.5); + var invSqrtVal = 1.0 / sqrtVal; + var samples = sqrtVal * sqrtVal; + for (var i = 0; i < samples; i ++) { + var y = i / sqrtVal; + var x = i % sqrtVal; + var loc = new THREE.Vector2((x + rng.nextFloat()) * invSqrtVal * width, + (y + rng.nextFloat()) * invSqrtVal * height); + var mark = new Marker(loc.add(this.pos)); + this.markers.push(mark); + } + } } diff --git a/src/main.js b/src/main.js index 0aae5e9e..138ec2cb 100644 --- a/src/main.js +++ b/src/main.js @@ -3,80 +3,32 @@ const THREE = require('three'); // older modules are imported like this. You sho //OBJLoader(THREE) import Framework from './framework' -import MarchingCubes from './bio_crowd.js' +import BioCrowd from './bio_crowd.js' const DEFAULT_VISUAL_DEBUG = false; -const DEFAULT_ISO_LEVEL = 1.0; -const DEFAULT_GRID_RES = 30; -const DEFAULT_GRID_WIDTH = 6; -const DEFAULT_GRID_HEIGHT = 17; -const DEFAULT_GRID_DEPTH = 6; -const DEFAULT_NUM_METABALLS = 7; -const DEFAULT_MIN_RADIUS = 0.5; -const DEFAULT_MAX_RADIUS = 1; -const DEFAULT_MAX_SPEEDX = 0.005; -const DEFAULT_MAX_SPEEDY = 0.3; +const DEFAULT_GRID_RES = 10; +const DEFAULT_GRID_WIDTH = 4; +const DEFAULT_GRID_HEIGHT = 4; +const DEFAULT_NUM_AGENTS = 4; +const DEFAULT_RADIUS = 1; +const DEFAULT_VELOCITY = 1; var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'}; -var loaded = false; -var red = new THREE.Color(1.0,0.0,0.0); -var green = new THREE.Color(0.0,1.0,0.0); -var glassGeo; -var lampGeo; - -// glass, emissive, iridescent -var g_mat = { - uniforms: { - u_albedo: {type: 'v3', value: new THREE.Color(options.albedo)}, - u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)}, - u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)}, - u_lightIntensity: {type: 'f',value: options.lightIntensity} - }, - vertexShader: require('./shaders/glass-vert.glsl'), - fragmentShader: require('./shaders/glass-frag.glsl') -}; var App = { // - marchingCubes: undefined, + bioCrowd: undefined, config: { - // Global control of all visual debugging. - // This can be set to false to disallow any memory allocation of visual debugging components. - // **Note**: If your application experiences performance drop, disable this flag. - visualDebug: DEFAULT_VISUAL_DEBUG, - - // The isolevel for marching cubes - isolevel: DEFAULT_ISO_LEVEL, - - // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid - gridRes: DEFAULT_GRID_RES, - - // Total width of grid - gridWidth: DEFAULT_GRID_WIDTH, - - gridHeight: DEFAULT_GRID_HEIGHT, - - gridDepth: DEFAULT_GRID_DEPTH, - - // Width of each voxel - // Ideally, we want the voxel to be small (higher resolution) - gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, - gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, - gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES, + visualDebug: DEFAULT_VISUAL_DEBUG, + gridRes: DEFAULT_GRID_RES, - // Number of metaballs - numMetaballs: DEFAULT_NUM_METABALLS, + cellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, + cellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, - // Minimum radius of a metaball - minRadius: DEFAULT_MIN_RADIUS, - - // Maxium radius of a metaball - maxRadius: DEFAULT_MAX_RADIUS, - - // Maximum speed of a metaball - maxSpeedX: DEFAULT_MAX_SPEEDX, - maxSpeedY: DEFAULT_MAX_SPEEDY, - maxSpeedZ: DEFAULT_MAX_SPEEDX, + maxMarkers: DEFAULT_NUM_MARKERS; + numAgents: DEFAULT_NUM_AGENTS, + agentRadius: DEFAULT_RADIUS, + velocity: DEFAULT_VELOCITY }, // Scene's framework objects @@ -85,8 +37,7 @@ var App = { renderer: undefined, // Play/pause control for the simulation - isPaused: false, - color: 0xffffff + isPaused: false }; // called after the scene loads @@ -98,36 +49,17 @@ function onLoad(framework) { App.renderer = renderer; renderer.setClearColor( 0x111111 ); - //scene.add(new THREE.AxisHelper(20)); - - var objLoader = new THREE.OBJLoader(); - var obj = objLoader.load(require('./assets/glass.obj'), function(obj) { - glassGeo = obj.children[0].geometry; - var glass = new THREE.Mesh(glassGeo, GLASS_MAT); - glass.translateX(-1.5); - glass.translateZ(-1.5); - App.scene.add(glass); - loaded = true; - }); - - var obj = objLoader.load(require('./assets/lamp.obj'), function(obj) { - lampGeo = obj.children[0].geometry; - var lamp = new THREE.Mesh(lampGeo, METAL_MAT); - lamp.translateX(-1.5); - lamp.translateZ(-1.5); - App.scene.add(lamp); - }); setupCamera(App.camera); - setupLights(App.scene); + //setupLights(App.scene); setupScene(App.scene); setupGUI(gui); } // called on frame updates function onUpdate(framework) { - if (App.marchingCubes) { - App.marchingCubes.update(); + if (App.bioCrowd) { + App.bioCrowd.update(); } } @@ -137,6 +69,30 @@ function setupCamera(camera) { camera.lookAt(new THREE.Vector3(1,0,1)); } +function setupScene(scene) { + App.bioCrowd = new bioCrowd(App); +} + +function setupGUI(gui) { + gui.add(App, 'isPaused').onChange(function(value) { + App.isPaused = value; + if (value) App.bioCrowd.pause(); + else App.bioCrowd.play(); + }); + gui.add(App.bioCrowd, 'visualDebug').onChange(function(value) { + if (value) App.bioCrowd.show(); + else App.bioCrowd.hide(); + }); + gui.add(App.config, 'numAgents', 1, 10).step(1).onChange(function(value) { + App.bioCrowd.reset(); + App.bioCrowd = new bioCrowd(App); + }); + gui.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { + App.bioCrowd.reset(); + App.bioCrowd = new bioCrowd(App); + }); +} + function setupLights(scene) { // Directional light @@ -148,19 +104,5 @@ function setupLights(scene) { scene.add(directionalLight); } -function setupScene(scene) { - App.marchingCubes = new MarchingCubes(App); -} - -function setupGUI(gui) { - - // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage - - gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function(value) { - App.marchingCubes.reset(); - App.marchingCubes = new MarchingCubes(App); - }); -} - // when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate Framework.init(onLoad, onUpdate); From 42018e64bbdfbde83a9d583f234a3f6f9614d812 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Sat, 25 Mar 2017 11:22:34 -0400 Subject: [PATCH 03/19] no errors --- index.html | 7 ----- src/bio_crowd.js | 77 +++++++++++++++++++++++++++++------------------- src/main.js | 25 +++++++++------- 3 files changed, 60 insertions(+), 49 deletions(-) diff --git a/index.html b/index.html index 7d18b14c..04c03d37 100644 --- a/index.html +++ b/index.html @@ -30,13 +30,6 @@ -
-
-

-

-
-
- diff --git a/src/bio_crowd.js b/src/bio_crowd.js index bea282a8..c3d5e7a4 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -1,19 +1,21 @@ const THREE = require('three'); - function Marker(pos) { this.pos = pos; + this.weight = 0; this.owner = null; } -function Agent(pos, i, vel, ori, goal, radius) { +function Agent(pos, i, ori, goal, radius, geo, mat) { this.pos = pos; this.index = i; - this.vel = vel; + this.vel = new THREE.Vector2(0,0); this.ori = ori; this.goal = goal; - this.radius = size; + this.radius = radius; this.markers = []; + this.mesh = new THREE.Mesh(geo, mat); + this.mesh.geometry.verticesNeedUpdate = true; } export default class BioCrowd { @@ -28,19 +30,21 @@ export default class BioCrowd { // dimensions this.grid = []; - this.maxMarkers = App.maxMarkers; - this.gridRes = App.gridRes; + this.maxMarkers = App.config.maxMarkers; + this.gridRes = App.config.gridRes; this.gridRes2 = this.gridRes * this.gridRes; this.cellRes = Math.floor(this.maxMarkers / this.gridRes2); - this.cellHeight = App.cellHeight; - this.cellWidth = App.cellWidth; + this.cellHeight = App.config.cellHeight; + this.cellWidth = App.config.cellWidth; // agents this.agents = []; - this.numAgents = App.numAgents; - this.agentRadius = App.agentRadius; - this.dest = App.destination; - this.velocity = App.velocity; + this.numAgents = App.config.numAgents; + this.agentRadius = App.config.agentRadius; + this.dest = App.config.destination; + this.maxVel = App.config.maxVelocity; + this.agentGeo = App.agentGeometry; + this.agentMat = App.agentMaterial; // scene data this.camera = App.camera; @@ -50,12 +54,12 @@ export default class BioCrowd { // markers this.markerGeo = new THREE.Geometry(); this.markerMat = new THREE.PointsMaterial( { color: 0x7eed6f } ) - this.markerPoints = new THREE.Points( markerGeo, markerMat ); + this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); this.markerPoints.geometry.verticesNeedUpdate = true; // lines this.lineGeo = new THREE.Geometry(); this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) - this.lines = new THREE.LineSegments( lineGeo, lineMat ); + this.lines = new THREE.LineSegments( this.lineGeo, this.lineMat ); this.lines.geometry.verticesNeedUpdate = true; }; @@ -85,7 +89,7 @@ export default class BioCrowd { pos2i(vec2) { var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth); var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight); - return i2toi1(x, y); + return this.i2toi1(x, y); }; initGrid() { @@ -102,14 +106,13 @@ export default class BioCrowd { initAgents() { for (var i = 0; i < this.numAgents; i ++) { - var pos = new THREE.Vector2(Math.rand() * this.gridRes * this.cellWidth, - Math.rand() * this.gridRes * this.cellHeight); + var pos = new THREE.Vector2(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight); pos.add(this.origin); var i = this.pos2i(pos); - var vel = this.velocity; var ori = Math.atan2(this.dest.y - pos.y, this.dest.x - pos.x); - var agent = new Agent(pos, i, vel, ori, this.dest, this.agentRadius); - select(agent); + var agent = new Agent(pos, i, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat); + this.select(agent); this.agents.push(agent); } } @@ -118,19 +121,21 @@ export default class BioCrowd { clear() { for (var i = 0; i < this.agents.length; i ++) { for (var j = 0; j < this.agents[i].markers.length; j ++) { - this.agents[i].markers[j] = null; + this.agents[i].markers[j].owner = null; + this.agents[i].markers[j].weight = 0; } this.agents[i].markers = []; } - this.lines.geometry = []; + this.lineGeo.vertices = []; } select(agent) { // check neighboring grid cells - var i2 = this.i1toi2(toiagent.index); + var i2 = this.i1toi2(agent.index); + var weight = 0; for (var i = i2.x - 1; i < i2.x + 2; i ++) { for (var j = i2.y - 1; j < i2.y + 2; j++, x++) { - var grid = this.grid[i2toi1(i, j)]; + var grid = this.grid[this.i2toi1(i, j)]; // for every marker in the grid for (var g = 0; g < grid.markers.length; g++) { var mark = grid.markers[g] @@ -141,25 +146,34 @@ export default class BioCrowd { var dist = Math.sqrt(x*x + y*y); if (dist < agent.radius) { mark.owner = agent; + var dest = agent.goal.clone().sub(agent.pos).normalize(); + var m = mark.pos.clone().sub(agent.pos); + mark.weight = (1 + dest.dot(m.clone().normalize())) / (1 + dist); + weight += mark.weight; + agent.vel.add(m.multiplyScalar(mark.weight * m)); agent.markers.push(mark); - this.lines.geometry.push(new THREE.Vector3(mark.pos.x, mark.pos.y, 0)); - this.lines.geometry.push(new THREE.Vector3(agent.pos.x, agent.pos.y, 0)); + this.lineGeo.vertices.push(new THREE.Vector3(mark.pos.x, mark.pos.y, 0)); + this.lineGeo.vertices.push(new THREE.Vector3(agent.pos.x, agent.pos.y, 0)); } } } } } + agent.vel.divideScalar(agent.markers.length * weight); + agent.vel.clampScalar(0, this.maxVel); } update() { if (this.isPaused) return; + // pick markers and compute velocity this.clear(); - // TODO update pos and velocity - - // pick markers for (var i = 0; i < this.agents.length; i ++) { this.select(this.agents[i]); - + } + // advect + for (var i = 0; i < this.agents.length; i ++) { + agent.pos.add(agent.vel); + agent.mesh.geometry.translate(agent.vel.x, agent.vel.y, agent.vel.z); } } @@ -180,6 +194,7 @@ export default class BioCrowd { this.scene.remove(this.markerPoints); this.scene.remove(this.lines); }; +} // ------------------------------------------- // @@ -199,7 +214,7 @@ class GridCell { // stratified sampling scatter(num) { - var sqrtVal = Math.floor(Math::sqrt(num) + 0.5); + var sqrtVal = Math.floor(Math.sqrt(num) + 0.5); var invSqrtVal = 1.0 / sqrtVal; var samples = sqrtVal * sqrtVal; for (var i = 0; i < samples; i ++) { diff --git a/src/main.js b/src/main.js index 138ec2cb..5e8687ae 100644 --- a/src/main.js +++ b/src/main.js @@ -10,34 +10,36 @@ const DEFAULT_GRID_RES = 10; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; const DEFAULT_NUM_AGENTS = 4; +const DEFAULT_NUM_MARKERS = 400; const DEFAULT_RADIUS = 1; -const DEFAULT_VELOCITY = 1; +const DEFAULT_MAX_VELOCITY = 1; var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'}; var App = { // bioCrowd: undefined, + agentGeometry: new THREE.CylinderGeometry(5,5,10), + agentMaterial: new THREE.MeshBasicMaterial({color: 0xffff00}), config: { visualDebug: DEFAULT_VISUAL_DEBUG, + isPaused: false, gridRes: DEFAULT_GRID_RES, cellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, cellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, - maxMarkers: DEFAULT_NUM_MARKERS; + maxMarkers: DEFAULT_NUM_MARKERS, numAgents: DEFAULT_NUM_AGENTS, agentRadius: DEFAULT_RADIUS, - velocity: DEFAULT_VELOCITY + maxVelocity: DEFAULT_MAX_VELOCITY, + destination: new THREE.Vector2(0,0) }, // Scene's framework objects camera: undefined, scene: undefined, renderer: undefined, - - // Play/pause control for the simulation - isPaused: false }; // called after the scene loads @@ -70,26 +72,27 @@ function setupCamera(camera) { } function setupScene(scene) { - App.bioCrowd = new bioCrowd(App); + App.bioCrowd = new BioCrowd(App); } function setupGUI(gui) { - gui.add(App, 'isPaused').onChange(function(value) { + + gui.add(App.config, 'isPaused').onChange(function(value) { App.isPaused = value; if (value) App.bioCrowd.pause(); else App.bioCrowd.play(); }); - gui.add(App.bioCrowd, 'visualDebug').onChange(function(value) { + gui.add(App.config, 'visualDebug').onChange(function(value) { if (value) App.bioCrowd.show(); else App.bioCrowd.hide(); }); gui.add(App.config, 'numAgents', 1, 10).step(1).onChange(function(value) { App.bioCrowd.reset(); - App.bioCrowd = new bioCrowd(App); + App.bioCrowd = new BioCrowd(App); }); gui.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { App.bioCrowd.reset(); - App.bioCrowd = new bioCrowd(App); + App.bioCrowd = new BioCrowd(App); }); } From d9dc52637bd472f607889f3b37568efc31b52066 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Sat, 25 Mar 2017 12:50:56 -0400 Subject: [PATCH 04/19] stratified grid --- src/bio_crowd.js | 21 +++++++++++++-------- src/main.js | 5 +++-- 2 files changed, 16 insertions(+), 10 deletions(-) diff --git a/src/bio_crowd.js b/src/bio_crowd.js index c3d5e7a4..5398ad79 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -53,7 +53,7 @@ export default class BioCrowd { this.debug = App.config.visualDebug; // markers this.markerGeo = new THREE.Geometry(); - this.markerMat = new THREE.PointsMaterial( { color: 0x7eed6f } ) + this.markerMat = new THREE.PointsMaterial( { size: 0.01, color: 0x7eed6f } ) this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); this.markerPoints.geometry.verticesNeedUpdate = true; // lines @@ -61,6 +61,10 @@ export default class BioCrowd { this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) this.lines = new THREE.LineSegments( this.lineGeo, this.lineMat ); this.lines.geometry.verticesNeedUpdate = true; + + this.initGrid(); + this.initAgents(); + this.show(); }; // new grid and agents @@ -72,7 +76,7 @@ export default class BioCrowd { }; // Convert from 1D index to 2D indices - i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.res2) / this.res)];}; + i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];}; // Convert from 2D indices to 1D i2toi1(ix, iy) { return ix + iy * this.gridRes; }; @@ -93,13 +97,13 @@ export default class BioCrowd { }; initGrid() { - for (var i = 0; i < this.res2; i++) { + for (var i = 0; i < this.gridRes2; i++) { var i2 = this.i1toi2(i); var pos = this.i2toPos(i2); var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight); this.grid.push(cell); for (var j = 0; j < cell.markers.length; j++) { - this.markerGeo.vertices.push(pos); + this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); } } } @@ -114,6 +118,7 @@ export default class BioCrowd { var agent = new Agent(pos, i, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat); this.select(agent); this.agents.push(agent); + this.scene.add(agent.mesh); } } @@ -172,8 +177,8 @@ export default class BioCrowd { } // advect for (var i = 0; i < this.agents.length; i ++) { - agent.pos.add(agent.vel); - agent.mesh.geometry.translate(agent.vel.x, agent.vel.y, agent.vel.z); + this.agents[i].pos.add(this.agents[i].vel); + this.agents[i].mesh.geometry.translate(this.agents[i].vel.x, this.agents[i].vel.y, this.agents[i].vel.z); } } @@ -220,8 +225,8 @@ class GridCell { for (var i = 0; i < samples; i ++) { var y = i / sqrtVal; var x = i % sqrtVal; - var loc = new THREE.Vector2((x + rng.nextFloat()) * invSqrtVal * width, - (y + rng.nextFloat()) * invSqrtVal * height); + var loc = new THREE.Vector2((x + Math.random()) * invSqrtVal * this.width, + (y + Math.random()) * invSqrtVal * this.height); var mark = new Marker(loc.add(this.pos)); this.markers.push(mark); } diff --git a/src/main.js b/src/main.js index 5e8687ae..cc27ae88 100644 --- a/src/main.js +++ b/src/main.js @@ -52,6 +52,7 @@ function onLoad(framework) { renderer.setClearColor( 0x111111 ); + //scene.add(new THREE.AxisHelper(4)); setupCamera(App.camera); //setupLights(App.scene); setupScene(App.scene); @@ -67,8 +68,8 @@ function onUpdate(framework) { function setupCamera(camera) { // set camera position - camera.position.set(25, 10, 25); - camera.lookAt(new THREE.Vector3(1,0,1)); + camera.position.set(2, 2, 4); + camera.lookAt(new THREE.Vector3(2, 2, 0)); } function setupScene(scene) { From 7a1de2f314b9334d99964408c08b4aff0a139565 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Sat, 25 Mar 2017 14:19:10 -0400 Subject: [PATCH 05/19] movement --- src/bio_crowd.js | 64 ++++++++++++++++++++++++++++-------------------- src/main.js | 34 +++++++++++++++++++------ 2 files changed, 64 insertions(+), 34 deletions(-) diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 5398ad79..884ef2d6 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -9,12 +9,14 @@ function Marker(pos) { function Agent(pos, i, ori, goal, radius, geo, mat) { this.pos = pos; this.index = i; - this.vel = new THREE.Vector2(0,0); + this.vel = new THREE.Vector3(0,0,0); this.ori = ori; this.goal = goal; this.radius = radius; this.markers = []; this.mesh = new THREE.Mesh(geo, mat); + this.mesh.rotation.set(Math.PI/2, 0, 0); + this.mesh.position.set(pos.x, pos.y, 0); this.mesh.geometry.verticesNeedUpdate = true; } @@ -26,16 +28,18 @@ export default class BioCrowd { init(App) { this.isPaused = false; - this.origin = new THREE.Vector2(0); + this.origin = new THREE.Vector3(0,0,0); // dimensions this.grid = []; this.maxMarkers = App.config.maxMarkers; this.gridRes = App.config.gridRes; - this.gridRes2 = this.gridRes * this.gridRes; - this.cellRes = Math.floor(this.maxMarkers / this.gridRes2); - this.cellHeight = App.config.cellHeight; - this.cellWidth = App.config.cellWidth; + this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells + this.cellRes = Math.floor(this.maxMarkers / this.gridRes2); // num of mark in cell + this.gridWidth = App.config.gridWidth; + this.gridHeight = App.config.gridHeight; + this.cellHeight = this.gridHeight/this.gridRes; + this.cellWidth = this.gridHeight/this.gridRes; // agents this.agents = []; @@ -64,15 +68,20 @@ export default class BioCrowd { this.initGrid(); this.initAgents(); - this.show(); + if (this.debug) this.show(); }; // new grid and agents reset() { - this.agents = []; - this.markers = []; - this.initGrid(); - this.initAgents(); + // this.scene.remove(this.lines); this.scene.remove(this.markerPoints); + // this.markerGeo.vertices = []; this.lineGeo.vertices = []; + // this.agents = []; this.markers = []; + // this.initGrid(); + // this.initAgents(); + if (this.debug) { + this.scene.remove(this.lines); + this.scene.remove(this.markerPoints); + } }; // Convert from 1D index to 2D indices @@ -83,9 +92,9 @@ export default class BioCrowd { // Convert from 2D indices to 2D positions i2toPos(i2) { - return new THREE.Vector2( + return new THREE.Vector3( i2[0] * this.cellWidth + this.origin.x, - i2[1] * this.cellHeight + this.origin.y, + i2[1] * this.cellHeight + this.origin.y, 0 ); }; @@ -110,12 +119,12 @@ export default class BioCrowd { initAgents() { for (var i = 0; i < this.numAgents; i ++) { - var pos = new THREE.Vector2(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight); + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight,0); pos.add(this.origin); - var i = this.pos2i(pos); + var index = this.pos2i(pos); var ori = Math.atan2(this.dest.y - pos.y, this.dest.x - pos.x); - var agent = new Agent(pos, i, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat); + var agent = new Agent(pos, index, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat); this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); @@ -138,24 +147,26 @@ export default class BioCrowd { // check neighboring grid cells var i2 = this.i1toi2(agent.index); var weight = 0; - for (var i = i2.x - 1; i < i2.x + 2; i ++) { - for (var j = i2.y - 1; j < i2.y + 2; j++, x++) { + var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); + var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); + for (var i = min0; i < max0; i++) { + for (var j = min1; j < max1; j++) { var grid = this.grid[this.i2toi1(i, j)]; // for every marker in the grid for (var g = 0; g < grid.markers.length; g++) { var mark = grid.markers[g] // no owner - if (mark) { + if (!mark.owner) { // within personal bubble var x = mark.pos.x - agent.pos.x; var y = mark.pos.y - agent.pos.y; var dist = Math.sqrt(x*x + y*y); if (dist < agent.radius) { mark.owner = agent; - var dest = agent.goal.clone().sub(agent.pos).normalize(); - var m = mark.pos.clone().sub(agent.pos); + var dest = (agent.goal).clone().sub(agent.pos).normalize(); + var m = (mark.pos).clone().sub(agent.pos); mark.weight = (1 + dest.dot(m.clone().normalize())) / (1 + dist); weight += mark.weight; - agent.vel.add(m.multiplyScalar(mark.weight * m)); + agent.vel.add(m.multiplyScalar(mark.weight)); agent.markers.push(mark); this.lineGeo.vertices.push(new THREE.Vector3(mark.pos.x, mark.pos.y, 0)); this.lineGeo.vertices.push(new THREE.Vector3(agent.pos.x, agent.pos.y, 0)); @@ -165,7 +176,6 @@ export default class BioCrowd { } } agent.vel.divideScalar(agent.markers.length * weight); - agent.vel.clampScalar(0, this.maxVel); } update() { @@ -178,7 +188,7 @@ export default class BioCrowd { // advect for (var i = 0; i < this.agents.length; i ++) { this.agents[i].pos.add(this.agents[i].vel); - this.agents[i].mesh.geometry.translate(this.agents[i].vel.x, this.agents[i].vel.y, this.agents[i].vel.z); + this.agents[i].mesh.geometry.translate(this.agents[i].vel.x, this.agents[i].vel.y, 0); } } @@ -225,8 +235,8 @@ class GridCell { for (var i = 0; i < samples; i ++) { var y = i / sqrtVal; var x = i % sqrtVal; - var loc = new THREE.Vector2((x + Math.random()) * invSqrtVal * this.width, - (y + Math.random()) * invSqrtVal * this.height); + var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, + (y + Math.random()) * invSqrtVal * this.height,0); var mark = new Marker(loc.add(this.pos)); this.markers.push(mark); } diff --git a/src/main.js b/src/main.js index cc27ae88..3dbdc2a0 100644 --- a/src/main.js +++ b/src/main.js @@ -5,7 +5,7 @@ const THREE = require('three'); // older modules are imported like this. You sho import Framework from './framework' import BioCrowd from './bio_crowd.js' -const DEFAULT_VISUAL_DEBUG = false; +const DEFAULT_VISUAL_DEBUG = true; const DEFAULT_GRID_RES = 10; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; @@ -19,15 +19,15 @@ var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albed var App = { // bioCrowd: undefined, - agentGeometry: new THREE.CylinderGeometry(5,5,10), + agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8), agentMaterial: new THREE.MeshBasicMaterial({color: 0xffff00}), config: { visualDebug: DEFAULT_VISUAL_DEBUG, isPaused: false, gridRes: DEFAULT_GRID_RES, - cellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, - cellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, + gridWidth: DEFAULT_GRID_WIDTH, + gridHeight: DEFAULT_GRID_HEIGHT, maxMarkers: DEFAULT_NUM_MARKERS, numAgents: DEFAULT_NUM_AGENTS, @@ -52,7 +52,7 @@ function onLoad(framework) { renderer.setClearColor( 0x111111 ); - //scene.add(new THREE.AxisHelper(4)); + scene.add(new THREE.AxisHelper(4)); setupCamera(App.camera); //setupLights(App.scene); setupScene(App.scene); @@ -78,6 +78,9 @@ function setupScene(scene) { function setupGUI(gui) { + var a = gui.addFolder('Agent_Controls'); + var g = gui.addFolder('Grid_Controls'); + gui.add(App.config, 'isPaused').onChange(function(value) { App.isPaused = value; if (value) App.bioCrowd.pause(); @@ -87,14 +90,31 @@ function setupGUI(gui) { if (value) App.bioCrowd.show(); else App.bioCrowd.hide(); }); - gui.add(App.config, 'numAgents', 1, 10).step(1).onChange(function(value) { + a.add(App.config, 'numAgents', 1, 10).step(1).onChange(function(value) { + App.bioCrowd.reset(); + App.bioCrowd = new BioCrowd(App); + }); + a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { + //App.bioCrowd.reset(); + App.bioCrowd = new BioCrowd(App); + }); + a.add(App.config, 'maxVelocity', 0, 1).onChange(function(value) { + //App.bioCrowd.reset(); + App.bioCrowd = new BioCrowd(App); + }); + g.add(App.config, 'maxMarkers', 400, 1000).step(10).onChange(function(value) { + App.bioCrowd.reset(); + App.bioCrowd = new BioCrowd(App); + }); + g.add(App.config, 'gridRes', 0, 50).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - gui.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { + g.add(App.config, 'gridWidth', 400, 1000).step(10).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); + } function setupLights(scene) { From 1bf59b174e299eff393af65eaf383de7f8d89ba9 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Sat, 25 Mar 2017 17:13:56 -0400 Subject: [PATCH 06/19] buffer geometry doesn't work --- src/agent.js | 27 +++++++++++++++++++++ src/bio_crowd.js | 62 +++++++++++++++++++++++++----------------------- src/main.js | 8 +++---- 3 files changed, 63 insertions(+), 34 deletions(-) create mode 100644 src/agent.js diff --git a/src/agent.js b/src/agent.js new file mode 100644 index 00000000..72e71af2 --- /dev/null +++ b/src/agent.js @@ -0,0 +1,27 @@ +const THREE = require('three') + +export default class Agent { + constructor(pos, i, ori, goal, radius, geo, mat, l_mat,max) { + this.init(pos, i, ori, goal, radius, geo, mat, l_mat,max); + } + + init (pos, i, ori, goal, radius, geo, mat, l_mat,max) { + this.pos = pos; + this.index = i; + this.vel = new THREE.Vector3(0,0,0); + this.ori = ori; + this.goal = goal; + this.radius = radius; + this.markers = []; + + this.mesh = new THREE.Mesh(geo, mat); + this.mesh.position.set(pos.x, pos.y, 0); + this.mesh.geometry.verticesNeedUpdate = true; + + this.lineGeo = new THREE.BufferGeometry(); + this.l_positions = new Float32Array(max * 3); + this.lines = new THREE.Line( this.lineGeo, l_mat ); + this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3)); + this.lines.geometry.attributes.position.dynamic = true; + } +} diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 884ef2d6..c4a075de 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -1,25 +1,13 @@ const THREE = require('three'); +import Agent from './agent.js' + function Marker(pos) { this.pos = pos; this.weight = 0; this.owner = null; } -function Agent(pos, i, ori, goal, radius, geo, mat) { - this.pos = pos; - this.index = i; - this.vel = new THREE.Vector3(0,0,0); - this.ori = ori; - this.goal = goal; - this.radius = radius; - this.markers = []; - this.mesh = new THREE.Mesh(geo, mat); - this.mesh.rotation.set(Math.PI/2, 0, 0); - this.mesh.position.set(pos.x, pos.y, 0); - this.mesh.geometry.verticesNeedUpdate = true; -} - export default class BioCrowd { constructor(App) { @@ -56,15 +44,12 @@ export default class BioCrowd { this.debug = App.config.visualDebug; // markers - this.markerGeo = new THREE.Geometry(); + this.markerGeo = new THREE.BufferGeometry(); + this.m_positions = new Float32Array(this.maxMarkers * 3); this.markerMat = new THREE.PointsMaterial( { size: 0.01, color: 0x7eed6f } ) this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); - this.markerPoints.geometry.verticesNeedUpdate = true; - // lines - this.lineGeo = new THREE.Geometry(); + this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) - this.lines = new THREE.LineSegments( this.lineGeo, this.lineMat ); - this.lines.geometry.verticesNeedUpdate = true; this.initGrid(); this.initAgents(); @@ -106,15 +91,23 @@ export default class BioCrowd { }; initGrid() { + var x = 0; for (var i = 0; i < this.gridRes2; i++) { var i2 = this.i1toi2(i); var pos = this.i2toPos(i2); var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight); this.grid.push(cell); for (var j = 0; j < cell.markers.length; j++) { - this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); + this.m_positions[x++] = cell.markers[j].pos.x; + this.m_positions[x++] = cell.markers[j].pos.y; + this.m_positions[x++] = 0; + //this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); } } + + this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); + this.markerGeo.computeBoundingSphere(); + this.markerPoints.geometry.attributes.position.dynamic = true; } initAgents() { @@ -124,7 +117,7 @@ export default class BioCrowd { pos.add(this.origin); var index = this.pos2i(pos); var ori = Math.atan2(this.dest.y - pos.y, this.dest.x - pos.x); - var agent = new Agent(pos, index, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat); + var agent = new Agent(pos, index, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat, this.lineMat, this.maxMarkers); this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); @@ -140,13 +133,15 @@ export default class BioCrowd { } this.agents[i].markers = []; } - this.lineGeo.vertices = []; + this.m_positions.fill(0); } select(agent) { // check neighboring grid cells var i2 = this.i1toi2(agent.index); + agent.l_positions.fill(0); var weight = 0; + var x = 0; var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); for (var i = min0; i < max0; i++) { @@ -162,14 +157,17 @@ export default class BioCrowd { var dist = Math.sqrt(x*x + y*y); if (dist < agent.radius) { mark.owner = agent; - var dest = (agent.goal).clone().sub(agent.pos).normalize(); + var G = (agent.goal).clone().sub(agent.pos).normalize(); var m = (mark.pos).clone().sub(agent.pos); - mark.weight = (1 + dest.dot(m.clone().normalize())) / (1 + dist); + var theta = G.dot((m.clone()).normalize()); + mark.weight = (1 + theta) / (1 + dist); weight += mark.weight; agent.vel.add(m.multiplyScalar(mark.weight)); agent.markers.push(mark); - this.lineGeo.vertices.push(new THREE.Vector3(mark.pos.x, mark.pos.y, 0)); - this.lineGeo.vertices.push(new THREE.Vector3(agent.pos.x, agent.pos.y, 0)); + + agent.l_positions[x++] = mark.pos.x; + agent.l_positions[x++] = mark.pos.y; + agent.l_positions[x++] = 0; } } } @@ -188,7 +186,7 @@ export default class BioCrowd { // advect for (var i = 0; i < this.agents.length; i ++) { this.agents[i].pos.add(this.agents[i].vel); - this.agents[i].mesh.geometry.translate(this.agents[i].vel.x, this.agents[i].vel.y, 0); + this.agents[i].mesh.position.set(this.agents[i].pos.x, this.agents[i].pos.y, 0); } } @@ -202,12 +200,16 @@ export default class BioCrowd { show() { this.scene.add( this.markerPoints ); - this.scene.add( this.lines ); + for (var i = 0; i < this.agents.length; i++) { + this.scene.add(this.agents[i].lines); + } }; hide() { this.scene.remove(this.markerPoints); - this.scene.remove(this.lines); + for (var i = 0; i < this.agents.length; i++) { + this.scene.add(this.agents[i].lines); + } }; } diff --git a/src/main.js b/src/main.js index 3dbdc2a0..28c3dfb5 100644 --- a/src/main.js +++ b/src/main.js @@ -6,11 +6,11 @@ import Framework from './framework' import BioCrowd from './bio_crowd.js' const DEFAULT_VISUAL_DEBUG = true; -const DEFAULT_GRID_RES = 10; +const DEFAULT_GRID_RES = 4; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; -const DEFAULT_NUM_AGENTS = 4; -const DEFAULT_NUM_MARKERS = 400; +const DEFAULT_NUM_AGENTS = 1; +const DEFAULT_NUM_MARKERS = 100; const DEFAULT_RADIUS = 1; const DEFAULT_MAX_VELOCITY = 1; @@ -33,7 +33,7 @@ var App = { numAgents: DEFAULT_NUM_AGENTS, agentRadius: DEFAULT_RADIUS, maxVelocity: DEFAULT_MAX_VELOCITY, - destination: new THREE.Vector2(0,0) + destination: new THREE.Vector3(0,0,0) }, // Scene's framework objects From d10fbe534da022747b9f6d16d1dbc8894a1107c1 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Mon, 27 Mar 2017 18:59:02 -0400 Subject: [PATCH 07/19] buffergeometry not working --- src/bio_crowd.js | 13 +++++++++---- src/framework.js | 1 + src/main.js | 28 +++++++++++++++++++++++----- 3 files changed, 33 insertions(+), 9 deletions(-) diff --git a/src/bio_crowd.js b/src/bio_crowd.js index c4a075de..3f63cafb 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -37,6 +37,7 @@ export default class BioCrowd { this.maxVel = App.config.maxVelocity; this.agentGeo = App.agentGeometry; this.agentMat = App.agentMaterial; + this.scenario = App.scenario; // scene data this.camera = App.camera; @@ -46,9 +47,9 @@ export default class BioCrowd { // markers this.markerGeo = new THREE.BufferGeometry(); this.m_positions = new Float32Array(this.maxMarkers * 3); - this.markerMat = new THREE.PointsMaterial( { size: 0.01, color: 0x7eed6f } ) + this.markerMat = new THREE.PointsMaterial( { size: 1, color: 0x7eed6f } ) + // this.markerMat = new THREE.PointsMaterial({size: 1, vertexColors: THREE.VertexColors}); this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); - this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) this.initGrid(); @@ -92,22 +93,26 @@ export default class BioCrowd { initGrid() { var x = 0; + // var m_colors = new Float32Array(this.maxMarkers * 3); for (var i = 0; i < this.gridRes2; i++) { var i2 = this.i1toi2(i); var pos = this.i2toPos(i2); var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight); this.grid.push(cell); for (var j = 0; j < cell.markers.length; j++) { + + // m_colors[x] = 237; + // m_colors[x+1] = 255; + // m_colors[x+2] = 0; this.m_positions[x++] = cell.markers[j].pos.x; this.m_positions[x++] = cell.markers[j].pos.y; this.m_positions[x++] = 0; //this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); } } - this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); + // this.markerGeo.addAttribute('color', new THREE.BufferAttribute(m_colors, 3)); this.markerGeo.computeBoundingSphere(); - this.markerPoints.geometry.attributes.position.dynamic = true; } initAgents() { diff --git a/src/framework.js b/src/framework.js index 9912747e..386c3e0f 100644 --- a/src/framework.js +++ b/src/framework.js @@ -55,6 +55,7 @@ function init(callback, update) { framework.scene = scene; framework.camera = camera; framework.renderer = renderer; + framework.controls = controls; // begin the animation loop (function tick() { diff --git a/src/main.js b/src/main.js index 28c3dfb5..6b834693 100644 --- a/src/main.js +++ b/src/main.js @@ -1,6 +1,7 @@ const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much //const OBJLoader = require('three-obj-loader'); //OBJLoader(THREE) +const OrbitControls = require('three-orbit-controls')(THREE) import Framework from './framework' import BioCrowd from './bio_crowd.js' @@ -9,7 +10,7 @@ const DEFAULT_VISUAL_DEBUG = true; const DEFAULT_GRID_RES = 4; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; -const DEFAULT_NUM_AGENTS = 1; +const DEFAULT_NUM_AGENTS = 3; const DEFAULT_NUM_MARKERS = 100; const DEFAULT_RADIUS = 1; const DEFAULT_MAX_VELOCITY = 1; @@ -19,8 +20,9 @@ var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albed var App = { // bioCrowd: undefined, - agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8), - agentMaterial: new THREE.MeshBasicMaterial({color: 0xffff00}), + agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8).rotateX(Math.PI/2), + agentMaterial: new THREE.MeshBasicMaterial({color: 0x111111}), + scenario: 0, config: { visualDebug: DEFAULT_VISUAL_DEBUG, isPaused: false, @@ -40,19 +42,20 @@ var App = { camera: undefined, scene: undefined, renderer: undefined, + controls: undefined }; // called after the scene loads function onLoad(framework) { - var {scene, camera, renderer, gui, stats} = framework; + var {scene, camera, renderer, gui, stats, controls} = framework; App.scene = scene; App.camera = camera; App.renderer = renderer; + App.controls = controls; renderer.setClearColor( 0x111111 ); - scene.add(new THREE.AxisHelper(4)); setupCamera(App.camera); //setupLights(App.scene); setupScene(App.scene); @@ -70,9 +73,15 @@ function setupCamera(camera) { // set camera position camera.position.set(2, 2, 4); camera.lookAt(new THREE.Vector3(2, 2, 0)); + App.controls.target.set(2,2,0); } function setupScene(scene) { + var geo = new THREE.PlaneGeometry(4,4,1,1); + geo.translate(2,2,0); + var material = new THREE.MeshBasicMaterial( {color: 0xFFFFFF, side: THREE.DoubleSide} ); + var plane = new THREE.Mesh( geo, material ); + scene.add( plane ); App.bioCrowd = new BioCrowd(App); } @@ -102,6 +111,15 @@ function setupGUI(gui) { //App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); + a.add(App, 'scenario', ['opposite', 'random']).onChange(function(val) { + switch (val) { + case 'opposite': + App.scenario = 0; + break; + case 'random': + App.scenario = 1; + } + }); g.add(App.config, 'maxMarkers', 400, 1000).step(10).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); From ce1fae4ea59c56bf68448da14a7b566adde691e2 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Mon, 27 Mar 2017 21:19:58 -0400 Subject: [PATCH 08/19] visual debug --- src/agent.js | 16 +++++++++- src/bio_crowd.js | 78 +++++++++++++++++++++++++++++++----------------- src/main.js | 24 ++++++--------- 3 files changed, 74 insertions(+), 44 deletions(-) diff --git a/src/agent.js b/src/agent.js index 72e71af2..7b1ced9e 100644 --- a/src/agent.js +++ b/src/agent.js @@ -20,8 +20,22 @@ export default class Agent { this.lineGeo = new THREE.BufferGeometry(); this.l_positions = new Float32Array(max * 3); - this.lines = new THREE.Line( this.lineGeo, l_mat ); + this.lines = new THREE.LineSegments( this.lineGeo, l_mat ); this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3)); + this.lines.geometry.attributes.position.dynamic = true; + this.lines.geometry.dynamic = true; + + // var geometry = new THREE.CircleGeometry( 5, 32 ); + // var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } ); + // var circle = new THREE.Mesh( geometry, material ); + // scene.add( circle ); + } + + update () { + this.pos.add(this.vel); + this.mesh.position.set(this.pos.x, this.pos.y, 0); + this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length); + this.lines.geometry.attributes.position.needsUpdate = true; } } diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 3f63cafb..fafc96c5 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -15,7 +15,7 @@ export default class BioCrowd { } init(App) { - this.isPaused = false; + this.isPaused = App.config.isPaused; this.origin = new THREE.Vector3(0,0,0); // dimensions @@ -33,7 +33,6 @@ export default class BioCrowd { this.agents = []; this.numAgents = App.config.numAgents; this.agentRadius = App.config.agentRadius; - this.dest = App.config.destination; this.maxVel = App.config.maxVelocity; this.agentGeo = App.agentGeometry; this.agentMat = App.agentMaterial; @@ -47,7 +46,7 @@ export default class BioCrowd { // markers this.markerGeo = new THREE.BufferGeometry(); this.m_positions = new Float32Array(this.maxMarkers * 3); - this.markerMat = new THREE.PointsMaterial( { size: 1, color: 0x7eed6f } ) + this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } ) // this.markerMat = new THREE.PointsMaterial({size: 1, vertexColors: THREE.VertexColors}); this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) @@ -59,15 +58,11 @@ export default class BioCrowd { // new grid and agents reset() { - // this.scene.remove(this.lines); this.scene.remove(this.markerPoints); - // this.markerGeo.vertices = []; this.lineGeo.vertices = []; - // this.agents = []; this.markers = []; - // this.initGrid(); - // this.initAgents(); - if (this.debug) { - this.scene.remove(this.lines); - this.scene.remove(this.markerPoints); + for (var i = 0; i < this.agents.length; i++) { + this.scene.remove(this.agents[i].mesh); + this.scene.remove(this.agents[i].lines); } + this.scene.remove(this.markerPoints); }; // Convert from 1D index to 2D indices @@ -109,20 +104,33 @@ export default class BioCrowd { this.m_positions[x++] = 0; //this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); } + this.scene.add(this.grid[i].square); } + this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); // this.markerGeo.addAttribute('color', new THREE.BufferAttribute(m_colors, 3)); this.markerGeo.computeBoundingSphere(); } initAgents() { + for (var i = 0; i < this.numAgents; i ++) { - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + switch (this.scenario) { + case 'opposite': + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight,0); + var dest = new THREE.Vector3(0,0,0); + break; + default: + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight,0); + var dest = new THREE.Vector3(0,0,0); + } pos.add(this.origin); + dest.add(this.origin); var index = this.pos2i(pos); - var ori = Math.atan2(this.dest.y - pos.y, this.dest.x - pos.x); - var agent = new Agent(pos, index, ori, this.dest, this.agentRadius, this.agentGeo, this.agentMat, this.lineMat, this.maxMarkers); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, this.agentMat, this.lineMat, this.maxMarkers); this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); @@ -138,7 +146,7 @@ export default class BioCrowd { } this.agents[i].markers = []; } - this.m_positions.fill(0); + } select(agent) { @@ -146,7 +154,7 @@ export default class BioCrowd { var i2 = this.i1toi2(agent.index); agent.l_positions.fill(0); var weight = 0; - var x = 0; + var ind = 0; var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); for (var i = min0; i < max0; i++) { @@ -155,12 +163,12 @@ export default class BioCrowd { // for every marker in the grid for (var g = 0; g < grid.markers.length; g++) { var mark = grid.markers[g] - // no owner - if (!mark.owner) { - // within personal bubble - var x = mark.pos.x - agent.pos.x; var y = mark.pos.y - agent.pos.y; - var dist = Math.sqrt(x*x + y*y); - if (dist < agent.radius) { + // within personal bubble + var x = mark.pos.x - agent.pos.x; var y = mark.pos.y - agent.pos.y; + var dist = Math.sqrt(x*x + y*y); + if (dist < agent.radius) { + // no owner + if (!mark.owner) { mark.owner = agent; var G = (agent.goal).clone().sub(agent.pos).normalize(); var m = (mark.pos).clone().sub(agent.pos); @@ -170,15 +178,19 @@ export default class BioCrowd { agent.vel.add(m.multiplyScalar(mark.weight)); agent.markers.push(mark); - agent.l_positions[x++] = mark.pos.x; - agent.l_positions[x++] = mark.pos.y; - agent.l_positions[x++] = 0; + agent.l_positions[ind++] = mark.pos.x; + agent.l_positions[ind++] = mark.pos.y; + agent.l_positions[ind++] = 0; + agent.l_positions[ind++] = agent.pos.x; + agent.l_positions[ind++] = agent.pos.y; + agent.l_positions[ind++] = 0; } } } } } agent.vel.divideScalar(agent.markers.length * weight); + //clamp } update() { @@ -190,8 +202,8 @@ export default class BioCrowd { } // advect for (var i = 0; i < this.agents.length; i ++) { - this.agents[i].pos.add(this.agents[i].vel); - this.agents[i].mesh.position.set(this.agents[i].pos.x, this.agents[i].pos.y, 0); + this.agents[i].update(); + this.agents[i].index = this.pos2i(this.agents[i].pos); } } @@ -213,7 +225,7 @@ export default class BioCrowd { hide() { this.scene.remove(this.markerPoints); for (var i = 0; i < this.agents.length; i++) { - this.scene.add(this.agents[i].lines); + this.scene.remove(this.agents[i].lines); } }; } @@ -232,6 +244,16 @@ class GridCell { this.height = h; this.markers = []; this.scatter(num); + + var geo = new THREE.Geometry(); + var lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) + + geo.vertices.push(pos, + new THREE.Vector3(this.pos.x + w, this.pos.y, 0), + new THREE.Vector3(this.pos.x + w, this.pos.y + h, 0), + new THREE.Vector3(this.pos, this.pos.y + h, 0)); + this.square = new THREE.Line( geo, lineMat ); + } // stratified sampling diff --git a/src/main.js b/src/main.js index 6b834693..eba7e2c1 100644 --- a/src/main.js +++ b/src/main.js @@ -11,7 +11,7 @@ const DEFAULT_GRID_RES = 4; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; const DEFAULT_NUM_AGENTS = 3; -const DEFAULT_NUM_MARKERS = 100; +const DEFAULT_NUM_MARKERS = 64; const DEFAULT_RADIUS = 1; const DEFAULT_MAX_VELOCITY = 1; @@ -25,7 +25,7 @@ var App = { scenario: 0, config: { visualDebug: DEFAULT_VISUAL_DEBUG, - isPaused: false, + isPaused: true, gridRes: DEFAULT_GRID_RES, gridWidth: DEFAULT_GRID_WIDTH, @@ -34,8 +34,7 @@ var App = { maxMarkers: DEFAULT_NUM_MARKERS, numAgents: DEFAULT_NUM_AGENTS, agentRadius: DEFAULT_RADIUS, - maxVelocity: DEFAULT_MAX_VELOCITY, - destination: new THREE.Vector3(0,0,0) + maxVelocity: DEFAULT_MAX_VELOCITY }, // Scene's framework objects @@ -104,23 +103,18 @@ function setupGUI(gui) { App.bioCrowd = new BioCrowd(App); }); a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { - //App.bioCrowd.reset(); + App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); a.add(App.config, 'maxVelocity', 0, 1).onChange(function(value) { - //App.bioCrowd.reset(); + App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); a.add(App, 'scenario', ['opposite', 'random']).onChange(function(val) { - switch (val) { - case 'opposite': - App.scenario = 0; - break; - case 'random': - App.scenario = 1; - } - }); - g.add(App.config, 'maxMarkers', 400, 1000).step(10).onChange(function(value) { + App.bioCrowd.reset(); + App.bioCrowd = new BioCrowd(App); + }); + g.add(App.config, 'maxMarkers', 1, 1000).step(10).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); From cd861674e27f9589e08a24a6c147241ccbaecb8a Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 28 Mar 2017 00:29:11 -0400 Subject: [PATCH 09/19] obstacles --- src/agent.js | 32 +++++++-- src/bio_crowd.js | 168 +++++++++++++++++++++++++++++------------------ src/main.js | 33 ++++------ 3 files changed, 146 insertions(+), 87 deletions(-) diff --git a/src/agent.js b/src/agent.js index 7b1ced9e..33799ca9 100644 --- a/src/agent.js +++ b/src/agent.js @@ -26,15 +26,39 @@ export default class Agent { this.lines.geometry.attributes.position.dynamic = true; this.lines.geometry.dynamic = true; - // var geometry = new THREE.CircleGeometry( 5, 32 ); - // var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } ); - // var circle = new THREE.Mesh( geometry, material ); - // scene.add( circle ); + var geometry = new THREE.CircleGeometry( this.radius, 16 ); + var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } ); + this.circle = new THREE.Mesh( geometry, material ); + this.circle.position.set(pos.x, pos.y,0); + this.circle.geometry.verticesNeedUpdate = true; } update () { + // update velocity + this.l_positions.fill(0); + var weight = 0; var ind = 0; + for (var i = 0; i < this.markers.length; i ++) { + var mark = this.markers[i]; + var x = mark.pos.x - this.pos.x; var y = mark.pos.y - this.pos.y; + var dist = Math.sqrt(x*x + y*y); + + var G = (this.goal).clone().sub(this.pos).normalize(); + var m = (mark.pos).clone().sub(this.pos); + var theta = G.dot((m.clone()).normalize()); + mark.weight = (1 + theta) / (1 + dist); + weight += mark.weight; + this.vel.add(m.multiplyScalar(mark.weight)); + + this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0; + this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0; + } + this.vel.divideScalar(this.markers.length * weight); + this.vel.clampLength(-this.radius, this.radius); + + // update position this.pos.add(this.vel); this.mesh.position.set(this.pos.x, this.pos.y, 0); + this.circle.position.set(this.pos.x, this.pos.y, 0); this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length); this.lines.geometry.attributes.position.needsUpdate = true; } diff --git a/src/bio_crowd.js b/src/bio_crowd.js index fafc96c5..22642238 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -8,6 +8,16 @@ function Marker(pos) { this.owner = null; } +function Obstacle(pos, radius) { + this.pos = pos; + this.radius = radius; +} + +function distance(x, y) { + var x1 = x.x - y.x; var y1 = x.y - y.y; + return Math.sqrt(x1*x1 + y1*y1); +} + export default class BioCrowd { constructor(App) { @@ -20,20 +30,19 @@ export default class BioCrowd { // dimensions this.grid = []; - this.maxMarkers = App.config.maxMarkers; this.gridRes = App.config.gridRes; this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells - this.cellRes = Math.floor(this.maxMarkers / this.gridRes2); // num of mark in cell + this.cellRes = App.config.cellRes; // num of mark in cell this.gridWidth = App.config.gridWidth; this.gridHeight = App.config.gridHeight; this.cellHeight = this.gridHeight/this.gridRes; this.cellWidth = this.gridHeight/this.gridRes; + this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes); // agents this.agents = []; this.numAgents = App.config.numAgents; this.agentRadius = App.config.agentRadius; - this.maxVel = App.config.maxVelocity; this.agentGeo = App.agentGeometry; this.agentMat = App.agentMaterial; this.scenario = App.scenario; @@ -41,13 +50,14 @@ export default class BioCrowd { // scene data this.camera = App.camera; this.scene = App.scene; + this.num_obs = App.obstacles; + this.obstacles = []; this.debug = App.config.visualDebug; // markers this.markerGeo = new THREE.BufferGeometry(); this.m_positions = new Float32Array(this.maxMarkers * 3); this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } ) - // this.markerMat = new THREE.PointsMaterial({size: 1, vertexColors: THREE.VertexColors}); this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat ); this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) @@ -61,6 +71,7 @@ export default class BioCrowd { for (var i = 0; i < this.agents.length; i++) { this.scene.remove(this.agents[i].mesh); this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle); } this.scene.remove(this.markerPoints); }; @@ -88,42 +99,67 @@ export default class BioCrowd { initGrid() { var x = 0; - // var m_colors = new Float32Array(this.maxMarkers * 3); + for (var k = 0; k < this.num_obs; k++) { + var x1 = Math.random() * this.gridRes * this.cellWidth; + var y1 = Math.random() * this.gridRes * this.cellHeight; + this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1)); + var geometry = new THREE.CircleGeometry( this.obstacles[k].radius, 16 ); + var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } ); + var mesh = new THREE.Mesh( geometry, material ); + mesh.position.set(x1,y1,0); + this.scene.add(mesh); + } for (var i = 0; i < this.gridRes2; i++) { var i2 = this.i1toi2(i); var pos = this.i2toPos(i2); - var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight); + var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles); this.grid.push(cell); for (var j = 0; j < cell.markers.length; j++) { - - // m_colors[x] = 237; - // m_colors[x+1] = 255; - // m_colors[x+2] = 0; this.m_positions[x++] = cell.markers[j].pos.x; this.m_positions[x++] = cell.markers[j].pos.y; this.m_positions[x++] = 0; - //this.markerGeo.vertices.push(new THREE.Vector3(cell.markers[j].pos.x, cell.markers[j].pos.y, 0)); } this.scene.add(this.grid[i].square); } - this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); - // this.markerGeo.addAttribute('color', new THREE.BufferAttribute(m_colors, 3)); this.markerGeo.computeBoundingSphere(); } initAgents() { - for (var i = 0; i < this.numAgents; i ++) { switch (this.scenario) { case 'opposite': var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight,0); + var hit = true; + while (hit) { + hit = false; + for (var j = 0; j < this.num_obs; j++) { + var dist = distance(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight,0); + } + } + } var dest = new THREE.Vector3(0,0,0); break; default: var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight,0); + var hit = true; + while (hit) { + hit = false; + for (var j = 0; j < this.num_obs; j++) { + var dist = distance(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight,0); + } + } + } var dest = new THREE.Vector3(0,0,0); } pos.add(this.origin); @@ -134,6 +170,7 @@ export default class BioCrowd { this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); + this.scene.add(agent.circle); } } @@ -145,61 +182,50 @@ export default class BioCrowd { this.agents[i].markers[j].weight = 0; } this.agents[i].markers = []; - } - + } } - select(agent) { - // check neighboring grid cells - var i2 = this.i1toi2(agent.index); - agent.l_positions.fill(0); - var weight = 0; - var ind = 0; - var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); - var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); - for (var i = min0; i < max0; i++) { - for (var j = min1; j < max1; j++) { - var grid = this.grid[this.i2toi1(i, j)]; - // for every marker in the grid - for (var g = 0; g < grid.markers.length; g++) { - var mark = grid.markers[g] - // within personal bubble - var x = mark.pos.x - agent.pos.x; var y = mark.pos.y - agent.pos.y; - var dist = Math.sqrt(x*x + y*y); - if (dist < agent.radius) { - // no owner - if (!mark.owner) { + select() { + var claimed = []; + // every agent + for (var k = 0; k < this.agents.length; k++) { + var agent = this.agents[k]; + // check neighboring grid cells + var i2 = this.i1toi2(agent.index); + var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); + var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); + for (var i = min0; i < max0; i++) { + for (var j = min1; j < max1; j++) { + var grid = this.grid[this.i2toi1(i, j)]; + // for every marker in the grid + for (var g = 0; g < grid.markers.length; g++) { + var mark = grid.markers[g] + // within personal bubble + var dist = distance(mark.pos, agent.pos); + if (dist < agent.radius) { + claimed.push(mark); mark.owner = agent; - var G = (agent.goal).clone().sub(agent.pos).normalize(); - var m = (mark.pos).clone().sub(agent.pos); - var theta = G.dot((m.clone()).normalize()); - mark.weight = (1 + theta) / (1 + dist); - weight += mark.weight; - agent.vel.add(m.multiplyScalar(mark.weight)); - agent.markers.push(mark); - - agent.l_positions[ind++] = mark.pos.x; - agent.l_positions[ind++] = mark.pos.y; - agent.l_positions[ind++] = 0; - agent.l_positions[ind++] = agent.pos.x; - agent.l_positions[ind++] = agent.pos.y; - agent.l_positions[ind++] = 0; + if (mark.owner) { + // choose closest owner + var dist_old = distance(mark.owner.pos, mark.pos); + if (dist_old > dist) mark.owner = agent; + } } } } } } - agent.vel.divideScalar(agent.markers.length * weight); - //clamp + for (var c = 0; c < claimed.length; c++) { + claimed[c].owner.markers.push(claimed[c]); + } } update() { if (this.isPaused) return; // pick markers and compute velocity this.clear(); - for (var i = 0; i < this.agents.length; i ++) { - this.select(this.agents[i]); - } + this.select(); + // advect for (var i = 0; i < this.agents.length; i ++) { this.agents[i].update(); @@ -219,6 +245,7 @@ export default class BioCrowd { this.scene.add( this.markerPoints ); for (var i = 0; i < this.agents.length; i++) { this.scene.add(this.agents[i].lines); + this.scene.add(this.agents[i].circle); } }; @@ -226,6 +253,7 @@ export default class BioCrowd { this.scene.remove(this.markerPoints); for (var i = 0; i < this.agents.length; i++) { this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle) } }; } @@ -234,15 +262,16 @@ export default class BioCrowd { class GridCell { - constructor(pos, num, w, h) { - this.init(pos, num, w, h); + constructor(pos, num, w, h, obs) { + this.init(pos, num, w, h, obs); } - init(pos, num, w, h) { + init(pos, num, w, h, obs) { this.pos = pos; this.width = w; this.height = h; this.markers = []; + this.obs = obs; this.scatter(num); var geo = new THREE.Geometry(); @@ -258,16 +287,27 @@ class GridCell { // stratified sampling scatter(num) { - var sqrtVal = Math.floor(Math.sqrt(num) + 0.5); + var sqrtVal = Math.floor(Math.sqrt(num)); var invSqrtVal = 1.0 / sqrtVal; var samples = sqrtVal * sqrtVal; for (var i = 0; i < samples; i ++) { - var y = i / sqrtVal; - var x = i % sqrtVal; - var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, - (y + Math.random()) * invSqrtVal * this.height,0); - var mark = new Marker(loc.add(this.pos)); + var y = i / sqrtVal; + var x = i % sqrtVal; + var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, + (y + Math.random()) * invSqrtVal * this.height,0); + loc.add(this.pos) + var obs_hit = false; + for (var j = 0; j < this.obs.length; j++) { + var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y; + var dist = Math.sqrt(x1*x1 + y1*y1); + if (dist < this.obs[j].radius) { + obs_hit = true; + } + } + if (!obs_hit) { + var mark = new Marker(loc); this.markers.push(mark); + } } } } diff --git a/src/main.js b/src/main.js index eba7e2c1..6c31497c 100644 --- a/src/main.js +++ b/src/main.js @@ -7,15 +7,14 @@ import Framework from './framework' import BioCrowd from './bio_crowd.js' const DEFAULT_VISUAL_DEBUG = true; -const DEFAULT_GRID_RES = 4; +const DEFAULT_CELL_RES = 16; +const DEFAULT_GRID_RES = 8; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; const DEFAULT_NUM_AGENTS = 3; -const DEFAULT_NUM_MARKERS = 64; -const DEFAULT_RADIUS = 1; -const DEFAULT_MAX_VELOCITY = 1; - -var options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'}; +const DEFAULT_NUM_MARKERS = 1000; +const DEFAULT_RADIUS = 0.25; +const DEFAULT_OBSTACLES = 2; var App = { // @@ -23,18 +22,19 @@ var App = { agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8).rotateX(Math.PI/2), agentMaterial: new THREE.MeshBasicMaterial({color: 0x111111}), scenario: 0, + obstacles: DEFAULT_OBSTACLES, config: { visualDebug: DEFAULT_VISUAL_DEBUG, - isPaused: true, + isPaused: false, gridRes: DEFAULT_GRID_RES, + cellRes: DEFAULT_CELL_RES, gridWidth: DEFAULT_GRID_WIDTH, gridHeight: DEFAULT_GRID_HEIGHT, maxMarkers: DEFAULT_NUM_MARKERS, numAgents: DEFAULT_NUM_AGENTS, - agentRadius: DEFAULT_RADIUS, - maxVelocity: DEFAULT_MAX_VELOCITY + agentRadius: DEFAULT_RADIUS }, // Scene's framework objects @@ -77,7 +77,7 @@ function setupCamera(camera) { function setupScene(scene) { var geo = new THREE.PlaneGeometry(4,4,1,1); - geo.translate(2,2,0); + geo.translate(2,2,-0.01); var material = new THREE.MeshBasicMaterial( {color: 0xFFFFFF, side: THREE.DoubleSide} ); var plane = new THREE.Mesh( geo, material ); scene.add( plane ); @@ -106,27 +106,22 @@ function setupGUI(gui) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - a.add(App.config, 'maxVelocity', 0, 1).onChange(function(value) { - App.bioCrowd.reset(); - App.bioCrowd = new BioCrowd(App); - }); a.add(App, 'scenario', ['opposite', 'random']).onChange(function(val) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'maxMarkers', 1, 1000).step(10).onChange(function(value) { + g.add(App.config, 'cellRes', 0, 32).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'gridRes', 0, 50).step(1).onChange(function(value) { + g.add(App.config, 'gridWidth', 400, 1000).step(10).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'gridWidth', 400, 1000).step(10).onChange(function(value) { + gui.add(App, 'obstacles', 0, 5).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); - }); - + }); } function setupLights(scene) { From 0512109d458fdd6c63fba9037e2cf82ff2ab269e Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 28 Mar 2017 15:37:05 -0400 Subject: [PATCH 10/19] opposite config --- src/agent.js | 53 +++++++++++++--------- src/bio_crowd.js | 114 ++++++++++++++++++++++++++--------------------- src/main.js | 7 ++- 3 files changed, 99 insertions(+), 75 deletions(-) diff --git a/src/agent.js b/src/agent.js index 33799ca9..0df40c6e 100644 --- a/src/agent.js +++ b/src/agent.js @@ -1,11 +1,20 @@ const THREE = require('three') +var a_mat = new THREE.MeshBasicMaterial({color: 0x111111}); +var left_mat = new THREE.MeshBasicMaterial({color: 0xffff00}); +var right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff}); + +export function distance(x, y) { + var x1 = x.x - y.x; var y1 = x.y - y.y; + return Math.sqrt(x1*x1 + y1*y1); +} + export default class Agent { - constructor(pos, i, ori, goal, radius, geo, mat, l_mat,max) { - this.init(pos, i, ori, goal, radius, geo, mat, l_mat,max); + constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) { + this.init(pos, i, ori, goal, radius, geo, left, l_mat,max); } - init (pos, i, ori, goal, radius, geo, mat, l_mat,max) { + init (pos, i, ori, goal, radius, geo, left, l_mat,max) { this.pos = pos; this.index = i; this.vel = new THREE.Vector3(0,0,0); @@ -14,7 +23,7 @@ export default class Agent { this.radius = radius; this.markers = []; - this.mesh = new THREE.Mesh(geo, mat); + this.mesh = new THREE.Mesh(geo, a_mat); this.mesh.position.set(pos.x, pos.y, 0); this.mesh.geometry.verticesNeedUpdate = true; @@ -27,7 +36,7 @@ export default class Agent { this.lines.geometry.dynamic = true; var geometry = new THREE.CircleGeometry( this.radius, 16 ); - var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } ); + var material = left ? left_mat : right_mat; this.circle = new THREE.Mesh( geometry, material ); this.circle.position.set(pos.x, pos.y,0); this.circle.geometry.verticesNeedUpdate = true; @@ -37,24 +46,26 @@ export default class Agent { // update velocity this.l_positions.fill(0); var weight = 0; var ind = 0; - for (var i = 0; i < this.markers.length; i ++) { - var mark = this.markers[i]; - var x = mark.pos.x - this.pos.x; var y = mark.pos.y - this.pos.y; - var dist = Math.sqrt(x*x + y*y); + this.vel.x = 0; this.vel.y = 0; this.vel.z = 0; + if (distance(this.pos, this.goal) > 0.01) { + for (var i = 0; i < this.markers.length; i ++) { + var mark = this.markers[i]; + var dist = distance(mark.pos, this.pos); - var G = (this.goal).clone().sub(this.pos).normalize(); - var m = (mark.pos).clone().sub(this.pos); - var theta = G.dot((m.clone()).normalize()); - mark.weight = (1 + theta) / (1 + dist); - weight += mark.weight; - this.vel.add(m.multiplyScalar(mark.weight)); - - this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0; - this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0; + var G = (this.goal).clone().sub(this.pos).normalize(); + var m = (mark.pos).clone().sub(this.pos); + var theta = G.dot((m.clone()).normalize()); + mark.weight = (1 + theta) / (1 + dist); + weight += mark.weight; + this.vel.add(m.multiplyScalar(mark.weight)); + + this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0; + this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0; + } + if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight); + this.vel.clampLength(-this.radius, this.radius); } - this.vel.divideScalar(this.markers.length * weight); - this.vel.clampLength(-this.radius, this.radius); - + // update position this.pos.add(this.vel); this.mesh.position.set(this.pos.x, this.pos.y, 0); diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 22642238..0f165a48 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -1,6 +1,7 @@ const THREE = require('three'); import Agent from './agent.js' +import {distance} from './agent' function Marker(pos) { this.pos = pos; @@ -13,11 +14,6 @@ function Obstacle(pos, radius) { this.radius = radius; } -function distance(x, y) { - var x1 = x.x - y.x; var y1 = x.y - y.y; - return Math.sqrt(x1*x1 + y1*y1); -} - export default class BioCrowd { constructor(App) { @@ -44,7 +40,6 @@ export default class BioCrowd { this.numAgents = App.config.numAgents; this.agentRadius = App.config.agentRadius; this.agentGeo = App.agentGeometry; - this.agentMat = App.agentMaterial; this.scenario = App.scenario; // scene data @@ -73,6 +68,9 @@ export default class BioCrowd { this.scene.remove(this.agents[i].lines); this.scene.remove(this.agents[i].circle); } + for (var j = 0; j < this.num_obs; j++) { + this.scene.remove(this.obstacles[j].mesh); + } this.scene.remove(this.markerPoints); }; @@ -105,9 +103,9 @@ export default class BioCrowd { this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1)); var geometry = new THREE.CircleGeometry( this.obstacles[k].radius, 16 ); var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } ); - var mesh = new THREE.Mesh( geometry, material ); - mesh.position.set(x1,y1,0); - this.scene.add(mesh); + this.obstacles[k].mesh = new THREE.Mesh( geometry, material ); + this.obstacles[k].mesh.position.set(x1,y1,0); + this.scene.add(this.obstacles[k].mesh); } for (var i = 0; i < this.gridRes2; i++) { var i2 = this.i1toi2(i); @@ -126,52 +124,68 @@ export default class BioCrowd { } initAgents() { - for (var i = 0; i < this.numAgents; i ++) { - switch (this.scenario) { - case 'opposite': - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight,0); - var hit = true; - while (hit) { - hit = false; + switch (this.scenario) { + case 'opposite': + var num = 0; + for (var i = 0; i < this.numAgents/2; i++) { + var ypos = 2 * this.gridHeight * i / this.numAgents; + var posL = new THREE.Vector3(0.1, ypos,0); + var destR = new THREE.Vector3(3.9, ypos,0); + var posR = new THREE.Vector3(3.9, ypos,0); + var destL = new THREE.Vector3(0.1, ypos,0); + var hitL = false; var hitR = false; + var j = 0; + while (!hit && j < this.num_obs) { + var distL = distance(posL, this.obstacles[j].pos); + var distR = distance(posR, this.obstacles[j].pos); + if (distL < this.obstacles[j].radius) hitL = true; + if (distR < this.obstacles[j].radius) hitR = true; + j++; + } + if (!hitL) { + posL.add(this.origin); + destR.add(this.origin); + var index = this.pos2i(posL); + var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x); + var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, true, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + this.scene.add(agent.circle); + num++; + } + if (!hitR && num < this.numAgents) { + posR.add(this.origin); + destL.add(this.origin); + var index = this.pos2i(posR); + var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x); + var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, false, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + this.scene.add(agent.circle); + num++; + } + } + break; + default: + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + Math.random() * this.gridRes * this.cellHeight,0); + var hit = true; + while (hit) { + hit = false; for (var j = 0; j < this.num_obs; j++) { - var dist = distance(pos, this.obstacles[j].pos); - if (dist < this.obstacles[j].radius) { - hit = true; - pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight,0); - } - } - } - var dest = new THREE.Vector3(0,0,0); - break; - default: - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, + var dist = distance(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight,0); - var hit = true; - while (hit) { - hit = false; - for (var j = 0; j < this.num_obs; j++) { - var dist = distance(pos, this.obstacles[j].pos); - if (dist < this.obstacles[j].radius) { - hit = true; - pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight,0); - } } } - var dest = new THREE.Vector3(0,0,0); - } - pos.add(this.origin); - dest.add(this.origin); - var index = this.pos2i(pos); - var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); - var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, this.agentMat, this.lineMat, this.maxMarkers); - this.select(agent); - this.agents.push(agent); - this.scene.add(agent.mesh); - this.scene.add(agent.circle); + } + var dest = new THREE.Vector3(2,2,0); } + } // disassociate markers and agents diff --git a/src/main.js b/src/main.js index 6c31497c..91e9bc8b 100644 --- a/src/main.js +++ b/src/main.js @@ -11,17 +11,16 @@ const DEFAULT_CELL_RES = 16; const DEFAULT_GRID_RES = 8; const DEFAULT_GRID_WIDTH = 4; const DEFAULT_GRID_HEIGHT = 4; -const DEFAULT_NUM_AGENTS = 3; +const DEFAULT_NUM_AGENTS = 8; const DEFAULT_NUM_MARKERS = 1000; const DEFAULT_RADIUS = 0.25; -const DEFAULT_OBSTACLES = 2; +const DEFAULT_OBSTACLES = 0; var App = { // bioCrowd: undefined, agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8).rotateX(Math.PI/2), - agentMaterial: new THREE.MeshBasicMaterial({color: 0x111111}), - scenario: 0, + scenario: 'opposite', obstacles: DEFAULT_OBSTACLES, config: { visualDebug: DEFAULT_VISUAL_DEBUG, From 6bd8f60bf272325815e568b6b005ccc8918cdbd3 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 28 Mar 2017 16:15:05 -0400 Subject: [PATCH 11/19] two configs --- src/agent.js | 9 ++++++++- src/bio_crowd.js | 36 ++++++++++++++++++++++++++++++++---- src/main.js | 10 +++++----- 3 files changed, 45 insertions(+), 10 deletions(-) diff --git a/src/agent.js b/src/agent.js index 0df40c6e..8139905a 100644 --- a/src/agent.js +++ b/src/agent.js @@ -3,6 +3,8 @@ const THREE = require('three') var a_mat = new THREE.MeshBasicMaterial({color: 0x111111}); var left_mat = new THREE.MeshBasicMaterial({color: 0xffff00}); var right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff}); +var top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff}); +var bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff}); export function distance(x, y) { var x1 = x.x - y.x; var y1 = x.y - y.y; @@ -36,7 +38,12 @@ export default class Agent { this.lines.geometry.dynamic = true; var geometry = new THREE.CircleGeometry( this.radius, 16 ); - var material = left ? left_mat : right_mat; + if (left & 2) { + var material = (left & 1) ? left_mat : right_mat; + } else { + var material = (left & 1) ? top_mat : bot_mat; + } + this.circle = new THREE.Mesh( geometry, material ); this.circle.position.set(pos.x, pos.y,0); this.circle.geometry.verticesNeedUpdate = true; diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 0f165a48..19981bc2 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -125,7 +125,7 @@ export default class BioCrowd { initAgents() { switch (this.scenario) { - case 'opposite': + case 'line': var num = 0; for (var i = 0; i < this.numAgents/2; i++) { var ypos = 2 * this.gridHeight * i / this.numAgents; @@ -147,7 +147,7 @@ export default class BioCrowd { destR.add(this.origin); var index = this.pos2i(posL); var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x); - var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, true, this.lineMat, this.maxMarkers); + var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers); this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); @@ -159,7 +159,7 @@ export default class BioCrowd { destL.add(this.origin); var index = this.pos2i(posR); var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x); - var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, false, this.lineMat, this.maxMarkers); + var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); @@ -167,7 +167,35 @@ export default class BioCrowd { num++; } } - break; + break; + case 'quad': + for (var i = 0; i < this.numAgents; i++) { + var quad = i%4; + var xpos = Math.pow(-1,quad) * Math.random() * this.gridWidth/2; + var ypos = ((quad < 2) ? -1 : 1) * Math.random() * this.gridHeight / 2; + var pos = new THREE.Vector3(xpos, ypos,0); + var dest = new THREE.Vector3(Math.sign(xpos)*this.gridWidth/2, Math.sign(ypos) * this.gridHeight/2, 0); + var hit = false; + var j = 0; + while (!hit && j < this.num_obs) { + var dist = distance(new THREE.Vector3(pos.x+2, pos.y+2,0), this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) hit = true; + j++; + } + if (!hit) { + var offset = new THREE.Vector3(2,2,0); + pos.add(offset); + dest.add(offset); + var index = this.pos2i(pos); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + this.scene.add(agent.circle); + } + } + break; default: var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight,0); diff --git a/src/main.js b/src/main.js index 91e9bc8b..f09e8002 100644 --- a/src/main.js +++ b/src/main.js @@ -20,11 +20,11 @@ var App = { // bioCrowd: undefined, agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8).rotateX(Math.PI/2), - scenario: 'opposite', + scenario: 'line', obstacles: DEFAULT_OBSTACLES, config: { visualDebug: DEFAULT_VISUAL_DEBUG, - isPaused: false, + isPaused: true, gridRes: DEFAULT_GRID_RES, cellRes: DEFAULT_CELL_RES, @@ -97,15 +97,15 @@ function setupGUI(gui) { if (value) App.bioCrowd.show(); else App.bioCrowd.hide(); }); - a.add(App.config, 'numAgents', 1, 10).step(1).onChange(function(value) { + a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { + a.add(App.config, 'agentRadius', 0, 0.5).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - a.add(App, 'scenario', ['opposite', 'random']).onChange(function(val) { + a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); From a5e40aff6ea4694aad3851902ef0ff29cd39940d Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 28 Mar 2017 21:45:42 -0400 Subject: [PATCH 12/19] grid interact --- src/agent.js | 14 ++++++------ src/bio_crowd.js | 34 ++++++++++------------------ src/main.js | 58 ++++++++++++++++++++++++++++++------------------ 3 files changed, 55 insertions(+), 51 deletions(-) diff --git a/src/agent.js b/src/agent.js index 8139905a..ce121918 100644 --- a/src/agent.js +++ b/src/agent.js @@ -1,6 +1,6 @@ const THREE = require('three') -var a_mat = new THREE.MeshBasicMaterial({color: 0x111111}); +var a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd}); var left_mat = new THREE.MeshBasicMaterial({color: 0xffff00}); var right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff}); var top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff}); @@ -23,11 +23,7 @@ export default class Agent { this.ori = ori; this.goal = goal; this.radius = radius; - this.markers = []; - - this.mesh = new THREE.Mesh(geo, a_mat); - this.mesh.position.set(pos.x, pos.y, 0); - this.mesh.geometry.verticesNeedUpdate = true; + this.markers = []; this.lineGeo = new THREE.BufferGeometry(); this.l_positions = new Float32Array(max * 3); @@ -44,9 +40,13 @@ export default class Agent { var material = (left & 1) ? top_mat : bot_mat; } - this.circle = new THREE.Mesh( geometry, material ); + this.circle = new THREE.Mesh( geometry, a_mat); this.circle.position.set(pos.x, pos.y,0); this.circle.geometry.verticesNeedUpdate = true; + + this.mesh = new THREE.Mesh(geo, material); + this.mesh.position.set(pos.x, pos.y, 0); + this.mesh.geometry.verticesNeedUpdate = true; } update () { diff --git a/src/bio_crowd.js b/src/bio_crowd.js index 19981bc2..e6b673d9 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -41,6 +41,7 @@ export default class BioCrowd { this.agentRadius = App.config.agentRadius; this.agentGeo = App.agentGeometry; this.scenario = App.scenario; + this.maxVelocity = App.config.maxVelocity; // scene data this.camera = App.camera; @@ -101,7 +102,7 @@ export default class BioCrowd { var x1 = Math.random() * this.gridRes * this.cellWidth; var y1 = Math.random() * this.gridRes * this.cellHeight; this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1)); - var geometry = new THREE.CircleGeometry( this.obstacles[k].radius, 16 ); + var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2); var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } ); this.obstacles[k].mesh = new THREE.Mesh( geometry, material ); this.obstacles[k].mesh.position.set(x1,y1,0); @@ -117,7 +118,6 @@ export default class BioCrowd { this.m_positions[x++] = cell.markers[j].pos.y; this.m_positions[x++] = 0; } - this.scene.add(this.grid[i].square); } this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); this.markerGeo.computeBoundingSphere(); @@ -130,8 +130,8 @@ export default class BioCrowd { for (var i = 0; i < this.numAgents/2; i++) { var ypos = 2 * this.gridHeight * i / this.numAgents; var posL = new THREE.Vector3(0.1, ypos,0); - var destR = new THREE.Vector3(3.9, ypos,0); - var posR = new THREE.Vector3(3.9, ypos,0); + var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0); + var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0); var destL = new THREE.Vector3(0.1, ypos,0); var hitL = false; var hitR = false; var j = 0; @@ -151,7 +151,7 @@ export default class BioCrowd { this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); - this.scene.add(agent.circle); + if (this.debug) this.scene.add(agent.circle); num++; } if (!hitR && num < this.numAgents) { @@ -163,7 +163,7 @@ export default class BioCrowd { this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); - this.scene.add(agent.circle); + if (this.debug) this.scene.add(agent.circle); num++; } } @@ -171,19 +171,19 @@ export default class BioCrowd { case 'quad': for (var i = 0; i < this.numAgents; i++) { var quad = i%4; - var xpos = Math.pow(-1,quad) * Math.random() * this.gridWidth/2; - var ypos = ((quad < 2) ? -1 : 1) * Math.random() * this.gridHeight / 2; + var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2; + var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2; var pos = new THREE.Vector3(xpos, ypos,0); - var dest = new THREE.Vector3(Math.sign(xpos)*this.gridWidth/2, Math.sign(ypos) * this.gridHeight/2, 0); + var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0); var hit = false; var j = 0; while (!hit && j < this.num_obs) { - var dist = distance(new THREE.Vector3(pos.x+2, pos.y+2,0), this.obstacles[j].pos); + var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos); if (dist < this.obstacles[j].radius) hit = true; j++; } if (!hit) { - var offset = new THREE.Vector3(2,2,0); + var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0); pos.add(offset); dest.add(offset); var index = this.pos2i(pos); @@ -192,7 +192,7 @@ export default class BioCrowd { this.select(agent); this.agents.push(agent); this.scene.add(agent.mesh); - this.scene.add(agent.circle); + if (this.debug) this.scene.add(agent.circle); } } break; @@ -315,16 +315,6 @@ class GridCell { this.markers = []; this.obs = obs; this.scatter(num); - - var geo = new THREE.Geometry(); - var lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } ) - - geo.vertices.push(pos, - new THREE.Vector3(this.pos.x + w, this.pos.y, 0), - new THREE.Vector3(this.pos.x + w, this.pos.y + h, 0), - new THREE.Vector3(this.pos, this.pos.y + h, 0)); - this.square = new THREE.Line( geo, lineMat ); - } // stratified sampling diff --git a/src/main.js b/src/main.js index f09e8002..273caaee 100644 --- a/src/main.js +++ b/src/main.js @@ -6,25 +6,26 @@ const OrbitControls = require('three-orbit-controls')(THREE) import Framework from './framework' import BioCrowd from './bio_crowd.js' -const DEFAULT_VISUAL_DEBUG = true; -const DEFAULT_CELL_RES = 16; +const DEFAULT_VISUAL_DEBUG = false; +const DEFAULT_CELL_RES = 25; const DEFAULT_GRID_RES = 8; -const DEFAULT_GRID_WIDTH = 4; -const DEFAULT_GRID_HEIGHT = 4; +const DEFAULT_GRID_WIDTH = 8; +const DEFAULT_GRID_HEIGHT = 8; const DEFAULT_NUM_AGENTS = 8; const DEFAULT_NUM_MARKERS = 1000; -const DEFAULT_RADIUS = 0.25; -const DEFAULT_OBSTACLES = 0; +const DEFAULT_RADIUS = 0.5; +const DEFAULT_OBSTACLES = 2; +const DEFAULT_MAX_VELOCITY = 5; var App = { // bioCrowd: undefined, - agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.1, 8).rotateX(Math.PI/2), + agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2), scenario: 'line', obstacles: DEFAULT_OBSTACLES, config: { visualDebug: DEFAULT_VISUAL_DEBUG, - isPaused: true, + isPaused: false, gridRes: DEFAULT_GRID_RES, cellRes: DEFAULT_CELL_RES, @@ -33,14 +34,16 @@ var App = { maxMarkers: DEFAULT_NUM_MARKERS, numAgents: DEFAULT_NUM_AGENTS, - agentRadius: DEFAULT_RADIUS + agentRadius: DEFAULT_RADIUS, + maxVelocity: DEFAULT_MAX_VELOCITY }, // Scene's framework objects camera: undefined, scene: undefined, renderer: undefined, - controls: undefined + controls: undefined, + plane: undefined }; // called after the scene loads @@ -69,17 +72,18 @@ function onUpdate(framework) { function setupCamera(camera) { // set camera position - camera.position.set(2, 2, 4); - camera.lookAt(new THREE.Vector3(2, 2, 0)); - App.controls.target.set(2,2,0); + camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth); + camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0); + App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0); } function setupScene(scene) { - var geo = new THREE.PlaneGeometry(4,4,1,1); - geo.translate(2,2,-0.01); - var material = new THREE.MeshBasicMaterial( {color: 0xFFFFFF, side: THREE.DoubleSide} ); - var plane = new THREE.Mesh( geo, material ); - scene.add( plane ); + var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, + App.config.gridRes, App.config.gridRes); + geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01); + var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} ); + App.plane = new THREE.Mesh( geo, material ); + scene.add( App.plane ); App.bioCrowd = new BioCrowd(App); } @@ -101,7 +105,7 @@ function setupGUI(gui) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - a.add(App.config, 'agentRadius', 0, 0.5).onChange(function(value) { + a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); @@ -109,13 +113,23 @@ function setupGUI(gui) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'cellRes', 0, 32).step(1).onChange(function(value) { + g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'gridWidth', 400, 1000).step(10).onChange(function(value) { + g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) { + App.config.gridHeight = value; + App.scene.remove(App.plane); + App.plane.geometry.dispose(); App.plane.material.dispose(); App.bioCrowd.reset(); - App.bioCrowd = new BioCrowd(App); + setupScene(App.scene); + setupCamera(App.camera); + }); + g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) { + App.scene.remove(App.plane); + App.plane.geometry.dispose(); App.plane.material.dispose(); + App.bioCrowd.reset(); + setupScene(App.scene); }); gui.add(App, 'obstacles', 0, 5).onChange(function(value) { App.bioCrowd.reset(); From bb3896e715837df7801cb41fdb2b094166b0e7df Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 28 Mar 2017 21:47:06 -0400 Subject: [PATCH 13/19] new bundle --- build/bundle.js | 48596 ++++++++++++++++++++++++++++++++++++++++++ build/bundle.js.map | 1 + 2 files changed, 48597 insertions(+) create mode 100644 build/bundle.js create mode 100644 build/bundle.js.map diff --git a/build/bundle.js b/build/bundle.js new file mode 100644 index 00000000..2592d9c4 --- /dev/null +++ b/build/bundle.js @@ -0,0 +1,48596 @@ +/******/ (function(modules) { // webpackBootstrap +/******/ // The module cache +/******/ var installedModules = {}; +/******/ +/******/ // The require function +/******/ function __webpack_require__(moduleId) { +/******/ +/******/ // Check if module is in cache +/******/ if(installedModules[moduleId]) +/******/ return installedModules[moduleId].exports; +/******/ +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ exports: {}, +/******/ id: moduleId, +/******/ loaded: false +/******/ }; +/******/ +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); +/******/ +/******/ // Flag the module as loaded +/******/ module.loaded = true; +/******/ +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } +/******/ +/******/ +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; +/******/ +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; +/******/ +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = ""; +/******/ +/******/ // Load entry module and return exports +/******/ return __webpack_require__(0); +/******/ }) +/************************************************************************/ +/******/ ([ +/* 0 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; + + var _framework = __webpack_require__(1); + + var _framework2 = _interopRequireDefault(_framework); + + var _bio_crowd = __webpack_require__(8); + + var _bio_crowd2 = _interopRequireDefault(_bio_crowd); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + + var THREE = __webpack_require__(6); // older modules are imported like this. You shouldn't have to worry about this much + //const OBJLoader = require('three-obj-loader'); + //OBJLoader(THREE) + var OrbitControls = __webpack_require__(7)(THREE); + + var DEFAULT_VISUAL_DEBUG = false; + var DEFAULT_CELL_RES = 25; + var DEFAULT_GRID_RES = 8; + var DEFAULT_GRID_WIDTH = 8; + var DEFAULT_GRID_HEIGHT = 8; + var DEFAULT_NUM_AGENTS = 8; + var DEFAULT_NUM_MARKERS = 1000; + var DEFAULT_RADIUS = 0.5; + var DEFAULT_OBSTACLES = 2; + var DEFAULT_MAX_VELOCITY = 5; + + var App = { + // + bioCrowd: undefined, + agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI / 2), + scenario: 'line', + obstacles: DEFAULT_OBSTACLES, + config: { + visualDebug: DEFAULT_VISUAL_DEBUG, + isPaused: false, + gridRes: DEFAULT_GRID_RES, + cellRes: DEFAULT_CELL_RES, + + gridWidth: DEFAULT_GRID_WIDTH, + gridHeight: DEFAULT_GRID_HEIGHT, + + maxMarkers: DEFAULT_NUM_MARKERS, + numAgents: DEFAULT_NUM_AGENTS, + agentRadius: DEFAULT_RADIUS, + maxVelocity: DEFAULT_MAX_VELOCITY + }, + + // Scene's framework objects + camera: undefined, + scene: undefined, + renderer: undefined, + controls: undefined, + plane: undefined + }; + + // called after the scene loads + function onLoad(framework) { + var scene = framework.scene, + camera = framework.camera, + renderer = framework.renderer, + gui = framework.gui, + stats = framework.stats, + controls = framework.controls; + + App.scene = scene; + App.camera = camera; + App.renderer = renderer; + App.controls = controls; + + renderer.setClearColor(0x111111); + + setupCamera(App.camera); + //setupLights(App.scene); + setupScene(App.scene); + setupGUI(gui); + } + + // called on frame updates + function onUpdate(framework) { + if (App.bioCrowd) { + App.bioCrowd.update(); + } + } + + function setupCamera(camera) { + // set camera position + camera.position.set(App.config.gridWidth / 2, App.config.gridHeight / 2, App.config.gridWidth); + camera.lookAt(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); + App.controls.target.set(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); + } + + function setupScene(scene) { + var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, App.config.gridRes, App.config.gridRes); + geo.translate(App.config.gridWidth / 2, App.config.gridHeight / 2, -0.01); + var material = new THREE.MeshBasicMaterial({ color: 0xffffff, wireframe: true }); + App.plane = new THREE.Mesh(geo, material); + scene.add(App.plane); + App.bioCrowd = new _bio_crowd2.default(App); + } + + function setupGUI(gui) { + + var a = gui.addFolder('Agent_Controls'); + var g = gui.addFolder('Grid_Controls'); + + gui.add(App.config, 'isPaused').onChange(function (value) { + App.isPaused = value; + if (value) App.bioCrowd.pause();else App.bioCrowd.play(); + }); + gui.add(App.config, 'visualDebug').onChange(function (value) { + if (value) App.bioCrowd.show();else App.bioCrowd.hide(); + }); + a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + a.add(App.config, 'agentRadius', 0, 1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function (val) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function (value) { + App.config.gridHeight = value; + App.scene.remove(App.plane); + App.plane.geometry.dispose();App.plane.material.dispose(); + App.bioCrowd.reset(); + setupScene(App.scene); + setupCamera(App.camera); + }); + g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function (value) { + App.scene.remove(App.plane); + App.plane.geometry.dispose();App.plane.material.dispose(); + App.bioCrowd.reset(); + setupScene(App.scene); + }); + gui.add(App, 'obstacles', 0, 5).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + } + + function setupLights(scene) { + + // Directional light + var directionalLight = new THREE.DirectionalLight(0xffffff, 1); + directionalLight.color.setHSL(0.1, 1, 0.95); + directionalLight.position.set(1, 10, 2); + directionalLight.position.multiplyScalar(10); + + scene.add(directionalLight); + } + + // when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate + _framework2.default.init(onLoad, onUpdate); + +/***/ }, +/* 1 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; + + Object.defineProperty(exports, "__esModule", { + value: true + }); + + var _statsJs = __webpack_require__(2); + + var _statsJs2 = _interopRequireDefault(_statsJs); + + var _datGui = __webpack_require__(3); + + var _datGui2 = _interopRequireDefault(_datGui); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + + var THREE = __webpack_require__(6); + var OrbitControls = __webpack_require__(7)(THREE); + + + // when the scene is done initializing, the function passed as `callback` will be executed + // then, every frame, the function passed as `update` will be executed + function init(callback, update) { + var stats = new _statsJs2.default(); + stats.setMode(1); + stats.domElement.style.position = 'absolute'; + stats.domElement.style.left = '0px'; + stats.domElement.style.top = '0px'; + document.body.appendChild(stats.domElement); + + var gui = new _datGui2.default.GUI(); + + var framework = { + gui: gui, + stats: stats + }; + + // run this function after the window loads + window.addEventListener('load', function () { + + var scene = new THREE.Scene(); + var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); + var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); + renderer.setPixelRatio(window.devicePixelRatio); + renderer.setSize(window.innerWidth, window.innerHeight); + renderer.setClearColor(0x020202, 0); + + var controls = new OrbitControls(camera, renderer.domElement); + controls.enableDamping = true; + controls.enableZoom = true; + controls.target.set(0, 0, 0); + controls.rotateSpeed = 0.3; + controls.zoomSpeed = 1.0; + controls.panSpeed = 2.0; + controls.addEventListener('change', function () { + camera.hasMoved = true; + }); + + document.body.appendChild(renderer.domElement); + + // resize the canvas when the window changes + window.addEventListener('resize', function () { + camera.aspect = window.innerWidth / window.innerHeight; + camera.updateProjectionMatrix(); + renderer.setSize(window.innerWidth, window.innerHeight); + }, false); + + // assign THREE.js objects to the object we will return + framework.scene = scene; + framework.camera = camera; + framework.renderer = renderer; + framework.controls = controls; + + // begin the animation loop + (function tick() { + stats.begin(); + update(framework); // perform any requested updates + renderer.render(scene, camera); // render the scene + stats.end(); + requestAnimationFrame(tick); // register to call this again when the browser renders a new frame + })(); + + // we will pass the scene, gui, renderer, camera, etc... to the callback function + return callback(framework); + }); + } + + exports.default = { + init: init + }; + +/***/ }, +/* 2 */ +/***/ function(module, exports) { + + // stats.js - http://github.com/mrdoob/stats.js + var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px"; + i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div"); + k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display= + "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height= + a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats); + + +/***/ }, +/* 3 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__(4) + module.exports.color = __webpack_require__(5) + +/***/ }, +/* 4 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ + + /** @namespace */ + var dat = module.exports = dat || {}; + + /** @namespace */ + dat.gui = dat.gui || {}; + + /** @namespace */ + dat.utils = dat.utils || {}; + + /** @namespace */ + dat.controllers = dat.controllers || {}; + + /** @namespace */ + dat.dom = dat.dom || {}; + + /** @namespace */ + dat.color = dat.color || {}; + + dat.utils.css = (function () { + return { + load: function (url, doc) { + doc = doc || document; + var link = doc.createElement('link'); + link.type = 'text/css'; + link.rel = 'stylesheet'; + link.href = url; + doc.getElementsByTagName('head')[0].appendChild(link); + }, + inject: function(css, doc) { + doc = doc || document; + var injected = document.createElement('style'); + injected.type = 'text/css'; + injected.innerHTML = css; + doc.getElementsByTagName('head')[0].appendChild(injected); + } + } + })(); + + + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; + + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ + + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { + + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { + + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, + + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); + + + dat.controllers.Controller = (function (common) { + + /** + * @class An "abstract" class that represents a given property of an object. + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var Controller = function(object, property) { + + this.initialValue = object[property]; + + /** + * Those who extend this class will put their DOM elements in here. + * @type {DOMElement} + */ + this.domElement = document.createElement('div'); + + /** + * The object to manipulate + * @type {Object} + */ + this.object = object; + + /** + * The name of the property to manipulate + * @type {String} + */ + this.property = property; + + /** + * The function to be called on change. + * @type {Function} + * @ignore + */ + this.__onChange = undefined; + + /** + * The function to be called on finishing change. + * @type {Function} + * @ignore + */ + this.__onFinishChange = undefined; + + }; + + common.extend( + + Controller.prototype, + + /** @lends dat.controllers.Controller.prototype */ + { + + /** + * Specify that a function fire every time someone changes the value with + * this Controller. + * + * @param {Function} fnc This function will be called whenever the value + * is modified via this Controller. + * @returns {dat.controllers.Controller} this + */ + onChange: function(fnc) { + this.__onChange = fnc; + return this; + }, + + /** + * Specify that a function fire every time someone "finishes" changing + * the value wih this Controller. Useful for values that change + * incrementally like numbers or strings. + * + * @param {Function} fnc This function will be called whenever + * someone "finishes" changing the value via this Controller. + * @returns {dat.controllers.Controller} this + */ + onFinishChange: function(fnc) { + this.__onFinishChange = fnc; + return this; + }, + + /** + * Change the value of object[property] + * + * @param {Object} newValue The new value of object[property] + */ + setValue: function(newValue) { + this.object[this.property] = newValue; + if (this.__onChange) { + this.__onChange.call(this, newValue); + } + this.updateDisplay(); + return this; + }, + + /** + * Gets the value of object[property] + * + * @returns {Object} The current value of object[property] + */ + getValue: function() { + return this.object[this.property]; + }, + + /** + * Refreshes the visual display of a Controller in order to keep sync + * with the object's current value. + * @returns {dat.controllers.Controller} this + */ + updateDisplay: function() { + return this; + }, + + /** + * @returns {Boolean} true if the value has deviated from initialValue + */ + isModified: function() { + return this.initialValue !== this.getValue() + } + + } + + ); + + return Controller; + + + })(dat.utils.common); + + + dat.dom.dom = (function (common) { + + var EVENT_MAP = { + 'HTMLEvents': ['change'], + 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'], + 'KeyboardEvents': ['keydown'] + }; + + var EVENT_MAP_INV = {}; + common.each(EVENT_MAP, function(v, k) { + common.each(v, function(e) { + EVENT_MAP_INV[e] = k; + }); + }); + + var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/; + + function cssValueToPixels(val) { + + if (val === '0' || common.isUndefined(val)) return 0; + + var match = val.match(CSS_VALUE_PIXELS); + + if (!common.isNull(match)) { + return parseFloat(match[1]); + } + + // TODO ...ems? %? + + return 0; + + } + + /** + * @namespace + * @member dat.dom + */ + var dom = { + + /** + * + * @param elem + * @param selectable + */ + makeSelectable: function(elem, selectable) { + + if (elem === undefined || elem.style === undefined) return; + + elem.onselectstart = selectable ? function() { + return false; + } : function() { + }; + + elem.style.MozUserSelect = selectable ? 'auto' : 'none'; + elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none'; + elem.unselectable = selectable ? 'on' : 'off'; + + }, + + /** + * + * @param elem + * @param horizontal + * @param vertical + */ + makeFullscreen: function(elem, horizontal, vertical) { + + if (common.isUndefined(horizontal)) horizontal = true; + if (common.isUndefined(vertical)) vertical = true; + + elem.style.position = 'absolute'; + + if (horizontal) { + elem.style.left = 0; + elem.style.right = 0; + } + if (vertical) { + elem.style.top = 0; + elem.style.bottom = 0; + } + + }, + + /** + * + * @param elem + * @param eventType + * @param params + */ + fakeEvent: function(elem, eventType, params, aux) { + params = params || {}; + var className = EVENT_MAP_INV[eventType]; + if (!className) { + throw new Error('Event type ' + eventType + ' not supported.'); + } + var evt = document.createEvent(className); + switch (className) { + case 'MouseEvents': + var clientX = params.x || params.clientX || 0; + var clientY = params.y || params.clientY || 0; + evt.initMouseEvent(eventType, params.bubbles || false, + params.cancelable || true, window, params.clickCount || 1, + 0, //screen X + 0, //screen Y + clientX, //client X + clientY, //client Y + false, false, false, false, 0, null); + break; + case 'KeyboardEvents': + var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz + common.defaults(params, { + cancelable: true, + ctrlKey: false, + altKey: false, + shiftKey: false, + metaKey: false, + keyCode: undefined, + charCode: undefined + }); + init(eventType, params.bubbles || false, + params.cancelable, window, + params.ctrlKey, params.altKey, + params.shiftKey, params.metaKey, + params.keyCode, params.charCode); + break; + default: + evt.initEvent(eventType, params.bubbles || false, + params.cancelable || true); + break; + } + common.defaults(evt, aux); + elem.dispatchEvent(evt); + }, + + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + bind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.addEventListener) + elem.addEventListener(event, func, bool); + else if (elem.attachEvent) + elem.attachEvent('on' + event, func); + return dom; + }, + + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + unbind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.removeEventListener) + elem.removeEventListener(event, func, bool); + else if (elem.detachEvent) + elem.detachEvent('on' + event, func); + return dom; + }, + + /** + * + * @param elem + * @param className + */ + addClass: function(elem, className) { + if (elem.className === undefined) { + elem.className = className; + } else if (elem.className !== className) { + var classes = elem.className.split(/ +/); + if (classes.indexOf(className) == -1) { + classes.push(className); + elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, ''); + } + } + return dom; + }, + + /** + * + * @param elem + * @param className + */ + removeClass: function(elem, className) { + if (className) { + if (elem.className === undefined) { + // elem.className = className; + } else if (elem.className === className) { + elem.removeAttribute('class'); + } else { + var classes = elem.className.split(/ +/); + var index = classes.indexOf(className); + if (index != -1) { + classes.splice(index, 1); + elem.className = classes.join(' '); + } + } + } else { + elem.className = undefined; + } + return dom; + }, + + hasClass: function(elem, className) { + return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false; + }, + + /** + * + * @param elem + */ + getWidth: function(elem) { + + var style = getComputedStyle(elem); + + return cssValueToPixels(style['border-left-width']) + + cssValueToPixels(style['border-right-width']) + + cssValueToPixels(style['padding-left']) + + cssValueToPixels(style['padding-right']) + + cssValueToPixels(style['width']); + }, + + /** + * + * @param elem + */ + getHeight: function(elem) { + + var style = getComputedStyle(elem); + + return cssValueToPixels(style['border-top-width']) + + cssValueToPixels(style['border-bottom-width']) + + cssValueToPixels(style['padding-top']) + + cssValueToPixels(style['padding-bottom']) + + cssValueToPixels(style['height']); + }, + + /** + * + * @param elem + */ + getOffset: function(elem) { + var offset = {left: 0, top:0}; + if (elem.offsetParent) { + do { + offset.left += elem.offsetLeft; + offset.top += elem.offsetTop; + } while (elem = elem.offsetParent); + } + return offset; + }, + + // http://stackoverflow.com/posts/2684561/revisions + /** + * + * @param elem + */ + isActive: function(elem) { + return elem === document.activeElement && ( elem.type || elem.href ); + } + + }; + + return dom; + + })(dat.utils.common); + + + dat.controllers.OptionController = (function (Controller, dom, common) { + + /** + * @class Provides a select input to alter the property of an object, using a + * list of accepted values. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object|string[]} options A map of labels to acceptable values, or + * a list of acceptable string values. + * + * @member dat.controllers + */ + var OptionController = function(object, property, options) { + + OptionController.superclass.call(this, object, property); + + var _this = this; + + /** + * The drop down menu + * @ignore + */ + this.__select = document.createElement('select'); + + if (common.isArray(options)) { + var map = {}; + common.each(options, function(element) { + map[element] = element; + }); + options = map; + } + + common.each(options, function(value, key) { + + var opt = document.createElement('option'); + opt.innerHTML = key; + opt.setAttribute('value', value); + _this.__select.appendChild(opt); + + }); + + // Acknowledge original value + this.updateDisplay(); + + dom.bind(this.__select, 'change', function() { + var desiredValue = this.options[this.selectedIndex].value; + _this.setValue(desiredValue); + }); + + this.domElement.appendChild(this.__select); + + }; + + OptionController.superclass = Controller; + + common.extend( + + OptionController.prototype, + Controller.prototype, + + { + + setValue: function(v) { + var toReturn = OptionController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + return toReturn; + }, + + updateDisplay: function() { + this.__select.value = this.getValue(); + return OptionController.superclass.prototype.updateDisplay.call(this); + } + + } + + ); + + return OptionController; + + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); + + + dat.controllers.NumberController = (function (Controller, common) { + + /** + * @class Represents a given property of an object that is a number. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberController = function(object, property, params) { + + NumberController.superclass.call(this, object, property); + + params = params || {}; + + this.__min = params.min; + this.__max = params.max; + this.__step = params.step; + + if (common.isUndefined(this.__step)) { + + if (this.initialValue == 0) { + this.__impliedStep = 1; // What are we, psychics? + } else { + // Hey Doug, check this out. + this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10; + } + + } else { + + this.__impliedStep = this.__step; + + } + + this.__precision = numDecimals(this.__impliedStep); + + + }; + + NumberController.superclass = Controller; + + common.extend( + + NumberController.prototype, + Controller.prototype, + + /** @lends dat.controllers.NumberController.prototype */ + { + + setValue: function(v) { + + if (this.__min !== undefined && v < this.__min) { + v = this.__min; + } else if (this.__max !== undefined && v > this.__max) { + v = this.__max; + } + + if (this.__step !== undefined && v % this.__step != 0) { + v = Math.round(v / this.__step) * this.__step; + } + + return NumberController.superclass.prototype.setValue.call(this, v); + + }, + + /** + * Specify a minimum value for object[property]. + * + * @param {Number} minValue The minimum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + min: function(v) { + this.__min = v; + return this; + }, + + /** + * Specify a maximum value for object[property]. + * + * @param {Number} maxValue The maximum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + max: function(v) { + this.__max = v; + return this; + }, + + /** + * Specify a step value that dat.controllers.NumberController + * increments by. + * + * @param {Number} stepValue The step value for + * dat.controllers.NumberController + * @default if minimum and maximum specified increment is 1% of the + * difference otherwise stepValue is 1 + * @returns {dat.controllers.NumberController} this + */ + step: function(v) { + this.__step = v; + return this; + } + + } + + ); + + function numDecimals(x) { + x = x.toString(); + if (x.indexOf('.') > -1) { + return x.length - x.indexOf('.') - 1; + } else { + return 0; + } + } + + return NumberController; + + })(dat.controllers.Controller, + dat.utils.common); + + + dat.controllers.NumberControllerBox = (function (NumberController, dom, common) { + + /** + * @class Represents a given property of an object that is a number and + * provides an input element with which to manipulate it. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerBox = function(object, property, params) { + + this.__truncationSuspended = false; + + NumberControllerBox.superclass.call(this, object, property, params); + + var _this = this; + + /** + * {Number} Previous mouse y position + * @ignore + */ + var prev_y; + + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); + + // Makes it so manually specified values are not truncated. + + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'mousedown', onMouseDown); + dom.bind(this.__input, 'keydown', function(e) { + + // When pressing entire, you can be as precise as you want. + if (e.keyCode === 13) { + _this.__truncationSuspended = true; + this.blur(); + _this.__truncationSuspended = false; + } + + }); + + function onChange() { + var attempted = parseFloat(_this.__input.value); + if (!common.isNaN(attempted)) _this.setValue(attempted); + } + + function onBlur() { + onChange(); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } + + function onMouseDown(e) { + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); + prev_y = e.clientY; + } + + function onMouseDrag(e) { + + var diff = prev_y - e.clientY; + _this.setValue(_this.getValue() + diff * _this.__impliedStep); + + prev_y = e.clientY; + + } + + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + } + + this.updateDisplay(); + + this.domElement.appendChild(this.__input); + + }; + + NumberControllerBox.superclass = NumberController; + + common.extend( + + NumberControllerBox.prototype, + NumberController.prototype, + + { + + updateDisplay: function() { + + this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision); + return NumberControllerBox.superclass.prototype.updateDisplay.call(this); + } + + } + + ); + + function roundToDecimal(value, decimals) { + var tenTo = Math.pow(10, decimals); + return Math.round(value * tenTo) / tenTo; + } + + return NumberControllerBox; + + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.common); + + + dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) { + + /** + * @class Represents a given property of an object that is a number, contains + * a minimum and maximum, and provides a slider element with which to + * manipulate it. It should be noted that the slider element is made up of + * <div> tags, not the html5 + * <slider> element. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Number} minValue Minimum allowed value + * @param {Number} maxValue Maximum allowed value + * @param {Number} stepValue Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerSlider = function(object, property, min, max, step) { + + NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step }); + + var _this = this; + + this.__background = document.createElement('div'); + this.__foreground = document.createElement('div'); + + + + dom.bind(this.__background, 'mousedown', onMouseDown); + + dom.addClass(this.__background, 'slider'); + dom.addClass(this.__foreground, 'slider-fg'); + + function onMouseDown(e) { + + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); + + onMouseDrag(e); + } + + function onMouseDrag(e) { + + e.preventDefault(); + + var offset = dom.getOffset(_this.__background); + var width = dom.getWidth(_this.__background); + + _this.setValue( + map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max) + ); + + return false; + + } + + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } + + this.updateDisplay(); + + this.__background.appendChild(this.__foreground); + this.domElement.appendChild(this.__background); + + }; + + NumberControllerSlider.superclass = NumberController; + + /** + * Injects default stylesheet for slider elements. + */ + NumberControllerSlider.useDefaultStyles = function() { + css.inject(styleSheet); + }; + + common.extend( + + NumberControllerSlider.prototype, + NumberController.prototype, + + { + + updateDisplay: function() { + var pct = (this.getValue() - this.__min)/(this.__max - this.__min); + this.__foreground.style.width = pct*100+'%'; + return NumberControllerSlider.superclass.prototype.updateDisplay.call(this); + } + + } + + + + ); + + function map(v, i1, i2, o1, o2) { + return o1 + (o2 - o1) * ((v - i1) / (i2 - i1)); + } + + return NumberControllerSlider; + + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.css, + dat.utils.common, + ".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); + + + dat.controllers.FunctionController = (function (Controller, dom, common) { + + /** + * @class Provides a GUI interface to fire a specified method, a property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var FunctionController = function(object, property, text) { + + FunctionController.superclass.call(this, object, property); + + var _this = this; + + this.__button = document.createElement('div'); + this.__button.innerHTML = text === undefined ? 'Fire' : text; + dom.bind(this.__button, 'click', function(e) { + e.preventDefault(); + _this.fire(); + return false; + }); + + dom.addClass(this.__button, 'button'); + + this.domElement.appendChild(this.__button); + + + }; + + FunctionController.superclass = Controller; + + common.extend( + + FunctionController.prototype, + Controller.prototype, + { + + fire: function() { + if (this.__onChange) { + this.__onChange.call(this); + } + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.getValue().call(this.object); + } + } + + ); + + return FunctionController; + + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); + + + dat.controllers.BooleanController = (function (Controller, dom, common) { + + /** + * @class Provides a checkbox input to alter the boolean property of an object. + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var BooleanController = function(object, property) { + + BooleanController.superclass.call(this, object, property); + + var _this = this; + this.__prev = this.getValue(); + + this.__checkbox = document.createElement('input'); + this.__checkbox.setAttribute('type', 'checkbox'); + + + dom.bind(this.__checkbox, 'change', onChange, false); + + this.domElement.appendChild(this.__checkbox); + + // Match original value + this.updateDisplay(); + + function onChange() { + _this.setValue(!_this.__prev); + } + + }; + + BooleanController.superclass = Controller; + + common.extend( + + BooleanController.prototype, + Controller.prototype, + + { + + setValue: function(v) { + var toReturn = BooleanController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.__prev = this.getValue(); + return toReturn; + }, + + updateDisplay: function() { + + if (this.getValue() === true) { + this.__checkbox.setAttribute('checked', 'checked'); + this.__checkbox.checked = true; + } else { + this.__checkbox.checked = false; + } + + return BooleanController.superclass.prototype.updateDisplay.call(this); + + } + + + } + + ); + + return BooleanController; + + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); + + + dat.color.toString = (function (common) { + + return function(color) { + + if (color.a == 1 || common.isUndefined(color.a)) { + + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } + + return '#' + s; + + } else { + + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + + } + + } + + })(dat.utils.common); + + + dat.color.interpret = (function (toString, common) { + + var result, toReturn; + + var interpret = function() { + + toReturn = false; + + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + + common.each(INTERPRETATIONS, function(family) { + + if (family.litmus(original)) { + + common.each(family.conversions, function(conversion, conversionName) { + + result = conversion.read(original); + + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; + + } + + }); + + return common.BREAK; + + } + + }); + + return toReturn; + + }; + + var INTERPRETATIONS = [ + + // Strings + { + + litmus: common.isString, + + conversions: { + + THREE_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; + + }, + + write: toString + + }, + + SIX_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; + + }, + + write: toString + + }, + + CSS_RGB: { + + read: function(original) { + + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; + + }, + + write: toString + + }, + + CSS_RGBA: { + + read: function(original) { + + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; + + }, + + write: toString + + } + + } + + }, + + // Numbers + { + + litmus: common.isNumber, + + conversions: { + + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, + + write: function(color) { + return color.hex; + } + } + + } + + }, + + // Arrays + { + + litmus: common.isArray, + + conversions: { + + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b]; + } + + }, + + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } + + } + + } + + }, + + // Objects + { + + litmus: common.isObject, + + conversions: { + + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, + + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, + + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, + + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } + + } + + } + + } + + + ]; + + return interpret; + + + })(dat.color.toString, + dat.utils.common); + + + dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) { + + css.inject(styleSheet); + + /** Outer-most className for GUI's */ + var CSS_NAMESPACE = 'dg'; + + var HIDE_KEY_CODE = 72; + + /** The only value shared between the JS and SCSS. Use caution. */ + var CLOSE_BUTTON_HEIGHT = 20; + + var DEFAULT_DEFAULT_PRESET_NAME = 'Default'; + + var SUPPORTS_LOCAL_STORAGE = (function() { + try { + return 'localStorage' in window && window['localStorage'] !== null; + } catch (e) { + return false; + } + })(); + + var SAVE_DIALOGUE; + + /** Have we yet to create an autoPlace GUI? */ + var auto_place_virgin = true; + + /** Fixed position div that auto place GUI's go inside */ + var auto_place_container; + + /** Are we hiding the GUI's ? */ + var hide = false; + + /** GUI's which should be hidden */ + var hideable_guis = []; + + /** + * A lightweight controller library for JavaScript. It allows you to easily + * manipulate variables and fire functions on the fly. + * @class + * + * @member dat.gui + * + * @param {Object} [params] + * @param {String} [params.name] The name of this GUI. + * @param {Object} [params.load] JSON object representing the saved state of + * this GUI. + * @param {Boolean} [params.auto=true] + * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in. + * @param {Boolean} [params.closed] If true, starts closed + */ + var GUI = function(params) { + + var _this = this; + + /** + * Outermost DOM Element + * @type DOMElement + */ + this.domElement = document.createElement('div'); + this.__ul = document.createElement('ul'); + this.domElement.appendChild(this.__ul); + + dom.addClass(this.domElement, CSS_NAMESPACE); + + /** + * Nested GUI's by name + * @ignore + */ + this.__folders = {}; + + this.__controllers = []; + + /** + * List of objects I'm remembering for save, only used in top level GUI + * @ignore + */ + this.__rememberedObjects = []; + + /** + * Maps the index of remembered objects to a map of controllers, only used + * in top level GUI. + * + * @private + * @ignore + * + * @example + * [ + * { + * propertyName: Controller, + * anotherPropertyName: Controller + * }, + * { + * propertyName: Controller + * } + * ] + */ + this.__rememberedObjectIndecesToControllers = []; + + this.__listening = []; + + params = params || {}; + + // Default parameters + params = common.defaults(params, { + autoPlace: true, + width: GUI.DEFAULT_WIDTH + }); + + params = common.defaults(params, { + resizable: params.autoPlace, + hideable: params.autoPlace + }); + + + if (!common.isUndefined(params.load)) { + + // Explicit preset + if (params.preset) params.load.preset = params.preset; + + } else { + + params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME }; + + } + + if (common.isUndefined(params.parent) && params.hideable) { + hideable_guis.push(this); + } + + // Only root level GUI's are resizable. + params.resizable = common.isUndefined(params.parent) && params.resizable; + + + if (params.autoPlace && common.isUndefined(params.scrollable)) { + params.scrollable = true; + } + // params.scrollable = common.isUndefined(params.parent) && params.scrollable === true; + + // Not part of params because I don't want people passing this in via + // constructor. Should be a 'remembered' value. + var use_local_storage = + SUPPORTS_LOCAL_STORAGE && + localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true'; + + Object.defineProperties(this, + + /** @lends dat.gui.GUI.prototype */ + { + + /** + * The parent GUI + * @type dat.gui.GUI + */ + parent: { + get: function() { + return params.parent; + } + }, + + scrollable: { + get: function() { + return params.scrollable; + } + }, + + /** + * Handles GUI's element placement for you + * @type Boolean + */ + autoPlace: { + get: function() { + return params.autoPlace; + } + }, + + /** + * The identifier for a set of saved values + * @type String + */ + preset: { + + get: function() { + if (_this.parent) { + return _this.getRoot().preset; + } else { + return params.load.preset; + } + }, + + set: function(v) { + if (_this.parent) { + _this.getRoot().preset = v; + } else { + params.load.preset = v; + } + setPresetSelectIndex(this); + _this.revert(); + } + + }, + + /** + * The width of GUI element + * @type Number + */ + width: { + get: function() { + return params.width; + }, + set: function(v) { + params.width = v; + setWidth(_this, v); + } + }, + + /** + * The name of GUI. Used for folders. i.e + * a folder's name + * @type String + */ + name: { + get: function() { + return params.name; + }, + set: function(v) { + // TODO Check for collisions among sibling folders + params.name = v; + if (title_row_name) { + title_row_name.innerHTML = params.name; + } + } + }, + + /** + * Whether the GUI is collapsed or not + * @type Boolean + */ + closed: { + get: function() { + return params.closed; + }, + set: function(v) { + params.closed = v; + if (params.closed) { + dom.addClass(_this.__ul, GUI.CLASS_CLOSED); + } else { + dom.removeClass(_this.__ul, GUI.CLASS_CLOSED); + } + // For browsers that aren't going to respect the CSS transition, + // Lets just check our height against the window height right off + // the bat. + this.onResize(); + + if (_this.__closeButton) { + _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED; + } + } + }, + + /** + * Contains all presets + * @type Object + */ + load: { + get: function() { + return params.load; + } + }, + + /** + * Determines whether or not to use localStorage as the means for + * remembering + * @type Boolean + */ + useLocalStorage: { + + get: function() { + return use_local_storage; + }, + set: function(bool) { + if (SUPPORTS_LOCAL_STORAGE) { + use_local_storage = bool; + if (bool) { + dom.bind(window, 'unload', saveToLocalStorage); + } else { + dom.unbind(window, 'unload', saveToLocalStorage); + } + localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool); + } + } + + } + + }); + + // Are we a root level GUI? + if (common.isUndefined(params.parent)) { + + params.closed = false; + + dom.addClass(this.domElement, GUI.CLASS_MAIN); + dom.makeSelectable(this.domElement, false); + + // Are we supposed to be loading locally? + if (SUPPORTS_LOCAL_STORAGE) { + + if (use_local_storage) { + + _this.useLocalStorage = true; + + var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui')); + + if (saved_gui) { + params.load = JSON.parse(saved_gui); + } + + } + + } + + this.__closeButton = document.createElement('div'); + this.__closeButton.innerHTML = GUI.TEXT_CLOSED; + dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON); + this.domElement.appendChild(this.__closeButton); + + dom.bind(this.__closeButton, 'click', function() { + + _this.closed = !_this.closed; + + + }); + + + // Oh, you're a nested GUI! + } else { + + if (params.closed === undefined) { + params.closed = true; + } + + var title_row_name = document.createTextNode(params.name); + dom.addClass(title_row_name, 'controller-name'); + + var title_row = addRow(_this, title_row_name); + + var on_click_title = function(e) { + e.preventDefault(); + _this.closed = !_this.closed; + return false; + }; + + dom.addClass(this.__ul, GUI.CLASS_CLOSED); + + dom.addClass(title_row, 'title'); + dom.bind(title_row, 'click', on_click_title); + + if (!params.closed) { + this.closed = false; + } + + } + + if (params.autoPlace) { + + if (common.isUndefined(params.parent)) { + + if (auto_place_virgin) { + auto_place_container = document.createElement('div'); + dom.addClass(auto_place_container, CSS_NAMESPACE); + dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER); + document.body.appendChild(auto_place_container); + auto_place_virgin = false; + } + + // Put it in the dom for you. + auto_place_container.appendChild(this.domElement); + + // Apply the auto styles + dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE); + + } + + + // Make it not elastic. + if (!this.parent) setWidth(_this, params.width); + + } + + dom.bind(window, 'resize', function() { _this.onResize() }); + dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); }); + dom.bind(this.__ul, 'transitionend', function() { _this.onResize() }); + dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() }); + this.onResize(); + + + if (params.resizable) { + addResizeHandle(this); + } + + function saveToLocalStorage() { + localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject())); + } + + var root = _this.getRoot(); + function resetWidth() { + var root = _this.getRoot(); + root.width += 1; + common.defer(function() { + root.width -= 1; + }); + } + + if (!params.parent) { + resetWidth(); + } + + }; + + GUI.toggleHide = function() { + + hide = !hide; + common.each(hideable_guis, function(gui) { + gui.domElement.style.zIndex = hide ? -999 : 999; + gui.domElement.style.opacity = hide ? 0 : 1; + }); + }; + + GUI.CLASS_AUTO_PLACE = 'a'; + GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac'; + GUI.CLASS_MAIN = 'main'; + GUI.CLASS_CONTROLLER_ROW = 'cr'; + GUI.CLASS_TOO_TALL = 'taller-than-window'; + GUI.CLASS_CLOSED = 'closed'; + GUI.CLASS_CLOSE_BUTTON = 'close-button'; + GUI.CLASS_DRAG = 'drag'; + + GUI.DEFAULT_WIDTH = 245; + GUI.TEXT_CLOSED = 'Close Controls'; + GUI.TEXT_OPEN = 'Open Controls'; + + dom.bind(window, 'keydown', function(e) { + + if (document.activeElement.type !== 'text' && + (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) { + GUI.toggleHide(); + } + + }, false); + + common.extend( + + GUI.prototype, + + /** @lends dat.gui.GUI */ + { + + /** + * @param object + * @param property + * @returns {dat.controllers.Controller} The new controller that was added. + * @instance + */ + add: function(object, property) { + + return add( + this, + object, + property, + { + factoryArgs: Array.prototype.slice.call(arguments, 2) + } + ); + + }, + + /** + * @param object + * @param property + * @returns {dat.controllers.ColorController} The new controller that was added. + * @instance + */ + addColor: function(object, property) { + + return add( + this, + object, + property, + { + color: true + } + ); + + }, + + /** + * @param controller + * @instance + */ + remove: function(controller) { + + // TODO listening? + this.__ul.removeChild(controller.__li); + this.__controllers.slice(this.__controllers.indexOf(controller), 1); + var _this = this; + common.defer(function() { + _this.onResize(); + }); + + }, + + destroy: function() { + + if (this.autoPlace) { + auto_place_container.removeChild(this.domElement); + } + + }, + + /** + * @param name + * @returns {dat.gui.GUI} The new folder. + * @throws {Error} if this GUI already has a folder by the specified + * name + * @instance + */ + addFolder: function(name) { + + // We have to prevent collisions on names in order to have a key + // by which to remember saved values + if (this.__folders[name] !== undefined) { + throw new Error('You already have a folder in this GUI by the' + + ' name "' + name + '"'); + } + + var new_gui_params = { name: name, parent: this }; + + // We need to pass down the autoPlace trait so that we can + // attach event listeners to open/close folder actions to + // ensure that a scrollbar appears if the window is too short. + new_gui_params.autoPlace = this.autoPlace; + + // Do we have saved appearance data for this folder? + + if (this.load && // Anything loaded? + this.load.folders && // Was my parent a dead-end? + this.load.folders[name]) { // Did daddy remember me? + + // Start me closed if I was closed + new_gui_params.closed = this.load.folders[name].closed; + + // Pass down the loaded data + new_gui_params.load = this.load.folders[name]; + + } + + var gui = new GUI(new_gui_params); + this.__folders[name] = gui; + + var li = addRow(this, gui.domElement); + dom.addClass(li, 'folder'); + return gui; + + }, + + open: function() { + this.closed = false; + }, + + close: function() { + this.closed = true; + }, + + onResize: function() { + + var root = this.getRoot(); + + if (root.scrollable) { + + var top = dom.getOffset(root.__ul).top; + var h = 0; + + common.each(root.__ul.childNodes, function(node) { + if (! (root.autoPlace && node === root.__save_row)) + h += dom.getHeight(node); + }); + + if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) { + dom.addClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px'; + } else { + dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = 'auto'; + } + + } + + if (root.__resize_handle) { + common.defer(function() { + root.__resize_handle.style.height = root.__ul.offsetHeight + 'px'; + }); + } + + if (root.__closeButton) { + root.__closeButton.style.width = root.width + 'px'; + } + + }, + + /** + * Mark objects for saving. The order of these objects cannot change as + * the GUI grows. When remembering new objects, append them to the end + * of the list. + * + * @param {Object...} objects + * @throws {Error} if not called on a top level GUI. + * @instance + */ + remember: function() { + + if (common.isUndefined(SAVE_DIALOGUE)) { + SAVE_DIALOGUE = new CenteredDiv(); + SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents; + } + + if (this.parent) { + throw new Error("You can only call remember on a top level GUI."); + } + + var _this = this; + + common.each(Array.prototype.slice.call(arguments), function(object) { + if (_this.__rememberedObjects.length == 0) { + addSaveMenu(_this); + } + if (_this.__rememberedObjects.indexOf(object) == -1) { + _this.__rememberedObjects.push(object); + } + }); + + if (this.autoPlace) { + // Set save row width + setWidth(this, this.width); + } + + }, + + /** + * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI. + * @instance + */ + getRoot: function() { + var gui = this; + while (gui.parent) { + gui = gui.parent; + } + return gui; + }, + + /** + * @returns {Object} a JSON object representing the current state of + * this GUI as well as its remembered properties. + * @instance + */ + getSaveObject: function() { + + var toReturn = this.load; + + toReturn.closed = this.closed; + + // Am I remembering any values? + if (this.__rememberedObjects.length > 0) { + + toReturn.preset = this.preset; + + if (!toReturn.remembered) { + toReturn.remembered = {}; + } + + toReturn.remembered[this.preset] = getCurrentPreset(this); + + } + + toReturn.folders = {}; + common.each(this.__folders, function(element, key) { + toReturn.folders[key] = element.getSaveObject(); + }); + + return toReturn; + + }, + + save: function() { + + if (!this.load.remembered) { + this.load.remembered = {}; + } + + this.load.remembered[this.preset] = getCurrentPreset(this); + markPresetModified(this, false); + + }, + + saveAs: function(presetName) { + + if (!this.load.remembered) { + + // Retain default values upon first save + this.load.remembered = {}; + this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true); + + } + + this.load.remembered[presetName] = getCurrentPreset(this); + this.preset = presetName; + addPresetOption(this, presetName, true); + + }, + + revert: function(gui) { + + common.each(this.__controllers, function(controller) { + // Make revert work on Default. + if (!this.getRoot().load.remembered) { + controller.setValue(controller.initialValue); + } else { + recallSavedValue(gui || this.getRoot(), controller); + } + }, this); + + common.each(this.__folders, function(folder) { + folder.revert(folder); + }); + + if (!gui) { + markPresetModified(this.getRoot(), false); + } + + + }, + + listen: function(controller) { + + var init = this.__listening.length == 0; + this.__listening.push(controller); + if (init) updateDisplays(this.__listening); + + } + + } + + ); + + function add(gui, object, property, params) { + + if (object[property] === undefined) { + throw new Error("Object " + object + " has no property \"" + property + "\""); + } + + var controller; + + if (params.color) { + + controller = new ColorController(object, property); + + } else { + + var factoryArgs = [object,property].concat(params.factoryArgs); + controller = controllerFactory.apply(gui, factoryArgs); + + } + + if (params.before instanceof Controller) { + params.before = params.before.__li; + } + + recallSavedValue(gui, controller); + + dom.addClass(controller.domElement, 'c'); + + var name = document.createElement('span'); + dom.addClass(name, 'property-name'); + name.innerHTML = controller.property; + + var container = document.createElement('div'); + container.appendChild(name); + container.appendChild(controller.domElement); + + var li = addRow(gui, container, params.before); + + dom.addClass(li, GUI.CLASS_CONTROLLER_ROW); + dom.addClass(li, typeof controller.getValue()); + + augmentController(gui, li, controller); + + gui.__controllers.push(controller); + + return controller; + + } + + /** + * Add a row to the end of the GUI or before another row. + * + * @param gui + * @param [dom] If specified, inserts the dom content in the new row + * @param [liBefore] If specified, places the new row before another row + */ + function addRow(gui, dom, liBefore) { + var li = document.createElement('li'); + if (dom) li.appendChild(dom); + if (liBefore) { + gui.__ul.insertBefore(li, params.before); + } else { + gui.__ul.appendChild(li); + } + gui.onResize(); + return li; + } + + function augmentController(gui, li, controller) { + + controller.__li = li; + controller.__gui = gui; + + common.extend(controller, { + + options: function(options) { + + if (arguments.length > 1) { + controller.remove(); + + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [common.toArray(arguments)] + } + ); + + } + + if (common.isArray(options) || common.isObject(options)) { + controller.remove(); + + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [options] + } + ); + + } + + }, + + name: function(v) { + controller.__li.firstElementChild.firstElementChild.innerHTML = v; + return controller; + }, + + listen: function() { + controller.__gui.listen(controller); + return controller; + }, + + remove: function() { + controller.__gui.remove(controller); + return controller; + } + + }); + + // All sliders should be accompanied by a box. + if (controller instanceof NumberControllerSlider) { + + var box = new NumberControllerBox(controller.object, controller.property, + { min: controller.__min, max: controller.__max, step: controller.__step }); + + common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) { + var pc = controller[method]; + var pb = box[method]; + controller[method] = box[method] = function() { + var args = Array.prototype.slice.call(arguments); + pc.apply(controller, args); + return pb.apply(box, args); + } + }); + + dom.addClass(li, 'has-slider'); + controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild); + + } + else if (controller instanceof NumberControllerBox) { + + var r = function(returned) { + + // Have we defined both boundaries? + if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) { + + // Well, then lets just replace this with a slider. + controller.remove(); + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [controller.__min, controller.__max, controller.__step] + }); + + } + + return returned; + + }; + + controller.min = common.compose(r, controller.min); + controller.max = common.compose(r, controller.max); + + } + else if (controller instanceof BooleanController) { + + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__checkbox, 'click'); + }); + + dom.bind(controller.__checkbox, 'click', function(e) { + e.stopPropagation(); // Prevents double-toggle + }) + + } + else if (controller instanceof FunctionController) { + + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__button, 'click'); + }); + + dom.bind(li, 'mouseover', function() { + dom.addClass(controller.__button, 'hover'); + }); + + dom.bind(li, 'mouseout', function() { + dom.removeClass(controller.__button, 'hover'); + }); + + } + else if (controller instanceof ColorController) { + + dom.addClass(li, 'color'); + controller.updateDisplay = common.compose(function(r) { + li.style.borderLeftColor = controller.__color.toString(); + return r; + }, controller.updateDisplay); + + controller.updateDisplay(); + + } + + controller.setValue = common.compose(function(r) { + if (gui.getRoot().__preset_select && controller.isModified()) { + markPresetModified(gui.getRoot(), true); + } + return r; + }, controller.setValue); + + } + + function recallSavedValue(gui, controller) { + + // Find the topmost GUI, that's where remembered objects live. + var root = gui.getRoot(); + + // Does the object we're controlling match anything we've been told to + // remember? + var matched_index = root.__rememberedObjects.indexOf(controller.object); + + // Why yes, it does! + if (matched_index != -1) { + + // Let me fetch a map of controllers for thcommon.isObject. + var controller_map = + root.__rememberedObjectIndecesToControllers[matched_index]; + + // Ohp, I believe this is the first controller we've created for this + // object. Lets make the map fresh. + if (controller_map === undefined) { + controller_map = {}; + root.__rememberedObjectIndecesToControllers[matched_index] = + controller_map; + } + + // Keep track of this controller + controller_map[controller.property] = controller; + + // Okay, now have we saved any values for this controller? + if (root.load && root.load.remembered) { + + var preset_map = root.load.remembered; + + // Which preset are we trying to load? + var preset; + + if (preset_map[gui.preset]) { + + preset = preset_map[gui.preset]; + + } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) { + + // Uhh, you can have the default instead? + preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME]; + + } else { + + // Nada. + + return; + + } + + + // Did the loaded object remember thcommon.isObject? + if (preset[matched_index] && + + // Did we remember this particular property? + preset[matched_index][controller.property] !== undefined) { + + // We did remember something for this guy ... + var value = preset[matched_index][controller.property]; + + // And that's what it is. + controller.initialValue = value; + controller.setValue(value); + + } + + } + + } + + } + + function getLocalStorageHash(gui, key) { + // TODO how does this deal with multiple GUI's? + return document.location.href + '.' + key; + + } + + function addSaveMenu(gui) { + + var div = gui.__save_row = document.createElement('li'); + + dom.addClass(gui.domElement, 'has-save'); + + gui.__ul.insertBefore(div, gui.__ul.firstChild); + + dom.addClass(div, 'save-row'); + + var gears = document.createElement('span'); + gears.innerHTML = ' '; + dom.addClass(gears, 'button gears'); + + // TODO replace with FunctionController + var button = document.createElement('span'); + button.innerHTML = 'Save'; + dom.addClass(button, 'button'); + dom.addClass(button, 'save'); + + var button2 = document.createElement('span'); + button2.innerHTML = 'New'; + dom.addClass(button2, 'button'); + dom.addClass(button2, 'save-as'); + + var button3 = document.createElement('span'); + button3.innerHTML = 'Revert'; + dom.addClass(button3, 'button'); + dom.addClass(button3, 'revert'); + + var select = gui.__preset_select = document.createElement('select'); + + if (gui.load && gui.load.remembered) { + + common.each(gui.load.remembered, function(value, key) { + addPresetOption(gui, key, key == gui.preset); + }); + + } else { + addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false); + } + + dom.bind(select, 'change', function() { + + + for (var index = 0; index < gui.__preset_select.length; index++) { + gui.__preset_select[index].innerHTML = gui.__preset_select[index].value; + } + + gui.preset = this.value; + + }); + + div.appendChild(select); + div.appendChild(gears); + div.appendChild(button); + div.appendChild(button2); + div.appendChild(button3); + + if (SUPPORTS_LOCAL_STORAGE) { + + var saveLocally = document.getElementById('dg-save-locally'); + var explain = document.getElementById('dg-local-explain'); + + saveLocally.style.display = 'block'; + + var localStorageCheckBox = document.getElementById('dg-local-storage'); + + if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') { + localStorageCheckBox.setAttribute('checked', 'checked'); + } + + function showHideExplain() { + explain.style.display = gui.useLocalStorage ? 'block' : 'none'; + } + + showHideExplain(); + + // TODO: Use a boolean controller, fool! + dom.bind(localStorageCheckBox, 'change', function() { + gui.useLocalStorage = !gui.useLocalStorage; + showHideExplain(); + }); + + } + + var newConstructorTextArea = document.getElementById('dg-new-constructor'); + + dom.bind(newConstructorTextArea, 'keydown', function(e) { + if (e.metaKey && (e.which === 67 || e.keyCode == 67)) { + SAVE_DIALOGUE.hide(); + } + }); + + dom.bind(gears, 'click', function() { + newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2); + SAVE_DIALOGUE.show(); + newConstructorTextArea.focus(); + newConstructorTextArea.select(); + }); + + dom.bind(button, 'click', function() { + gui.save(); + }); + + dom.bind(button2, 'click', function() { + var presetName = prompt('Enter a new preset name.'); + if (presetName) gui.saveAs(presetName); + }); + + dom.bind(button3, 'click', function() { + gui.revert(); + }); + + // div.appendChild(button2); + + } + + function addResizeHandle(gui) { + + gui.__resize_handle = document.createElement('div'); + + common.extend(gui.__resize_handle.style, { + + width: '6px', + marginLeft: '-3px', + height: '200px', + cursor: 'ew-resize', + position: 'absolute' + // border: '1px solid blue' + + }); + + var pmouseX; + + dom.bind(gui.__resize_handle, 'mousedown', dragStart); + dom.bind(gui.__closeButton, 'mousedown', dragStart); + + gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild); + + function dragStart(e) { + + e.preventDefault(); + + pmouseX = e.clientX; + + dom.addClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.bind(window, 'mousemove', drag); + dom.bind(window, 'mouseup', dragStop); + + return false; + + } + + function drag(e) { + + e.preventDefault(); + + gui.width += pmouseX - e.clientX; + gui.onResize(); + pmouseX = e.clientX; + + return false; + + } + + function dragStop() { + + dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.unbind(window, 'mousemove', drag); + dom.unbind(window, 'mouseup', dragStop); + + } + + } + + function setWidth(gui, w) { + gui.domElement.style.width = w + 'px'; + // Auto placed save-rows are position fixed, so we have to + // set the width manually if we want it to bleed to the edge + if (gui.__save_row && gui.autoPlace) { + gui.__save_row.style.width = w + 'px'; + }if (gui.__closeButton) { + gui.__closeButton.style.width = w + 'px'; + } + } + + function getCurrentPreset(gui, useInitialValues) { + + var toReturn = {}; + + // For each object I'm remembering + common.each(gui.__rememberedObjects, function(val, index) { + + var saved_values = {}; + + // The controllers I've made for thcommon.isObject by property + var controller_map = + gui.__rememberedObjectIndecesToControllers[index]; + + // Remember each value for each property + common.each(controller_map, function(controller, property) { + saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue(); + }); + + // Save the values for thcommon.isObject + toReturn[index] = saved_values; + + }); + + return toReturn; + + } + + function addPresetOption(gui, name, setSelected) { + var opt = document.createElement('option'); + opt.innerHTML = name; + opt.value = name; + gui.__preset_select.appendChild(opt); + if (setSelected) { + gui.__preset_select.selectedIndex = gui.__preset_select.length - 1; + } + } + + function setPresetSelectIndex(gui) { + for (var index = 0; index < gui.__preset_select.length; index++) { + if (gui.__preset_select[index].value == gui.preset) { + gui.__preset_select.selectedIndex = index; + } + } + } + + function markPresetModified(gui, modified) { + var opt = gui.__preset_select[gui.__preset_select.selectedIndex]; + // console.log('mark', modified, opt); + if (modified) { + opt.innerHTML = opt.value + "*"; + } else { + opt.innerHTML = opt.value; + } + } + + function updateDisplays(controllerArray) { + + + if (controllerArray.length != 0) { + + requestAnimationFrame(function() { + updateDisplays(controllerArray); + }); + + } + + common.each(controllerArray, function(c) { + c.updateDisplay(); + }); + + } + + return GUI; + + })(dat.utils.css, + "
\n\n Here's the new load parameter for your GUI's constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI's constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
", + ".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", + dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) { + + return function(object, property) { + + var initialValue = object[property]; + + // Providing options? + if (common.isArray(arguments[2]) || common.isObject(arguments[2])) { + return new OptionController(object, property, arguments[2]); + } + + // Providing a map? + + if (common.isNumber(initialValue)) { + + if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) { + + // Has min and max. + return new NumberControllerSlider(object, property, arguments[2], arguments[3]); + + } else { + + return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] }); + + } + + } + + if (common.isString(initialValue)) { + return new StringController(object, property); + } + + if (common.isFunction(initialValue)) { + return new FunctionController(object, property, ''); + } + + if (common.isBoolean(initialValue)) { + return new BooleanController(object, property); + } + + } + + })(dat.controllers.OptionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.StringController = (function (Controller, dom, common) { + + /** + * @class Provides a text input to alter the string property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var StringController = function(object, property) { + + StringController.superclass.call(this, object, property); + + var _this = this; + + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); + + dom.bind(this.__input, 'keyup', onChange); + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { + this.blur(); + } + }); + + + function onChange() { + _this.setValue(_this.__input.value); + } + + function onBlur() { + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } + + this.updateDisplay(); + + this.domElement.appendChild(this.__input); + + }; + + StringController.superclass = Controller; + + common.extend( + + StringController.prototype, + Controller.prototype, + + { + + updateDisplay: function() { + // Stops the caret from moving on account of: + // keyup -> setValue -> updateDisplay + if (!dom.isActive(this.__input)) { + this.__input.value = this.getValue(); + } + return StringController.superclass.prototype.updateDisplay.call(this); + } + + } + + ); + + return StringController; + + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common), + dat.controllers.FunctionController, + dat.controllers.BooleanController, + dat.utils.common), + dat.controllers.Controller, + dat.controllers.BooleanController, + dat.controllers.FunctionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.OptionController, + dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) { + + var ColorController = function(object, property) { + + ColorController.superclass.call(this, object, property); + + this.__color = new Color(this.getValue()); + this.__temp = new Color(0); + + var _this = this; + + this.domElement = document.createElement('div'); + + dom.makeSelectable(this.domElement, false); + + this.__selector = document.createElement('div'); + this.__selector.className = 'selector'; + + this.__saturation_field = document.createElement('div'); + this.__saturation_field.className = 'saturation-field'; + + this.__field_knob = document.createElement('div'); + this.__field_knob.className = 'field-knob'; + this.__field_knob_border = '2px solid '; + + this.__hue_knob = document.createElement('div'); + this.__hue_knob.className = 'hue-knob'; + + this.__hue_field = document.createElement('div'); + this.__hue_field.className = 'hue-field'; + + this.__input = document.createElement('input'); + this.__input.type = 'text'; + this.__input_textShadow = '0 1px 1px '; + + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { // on enter + onBlur.call(this); + } + }); + + dom.bind(this.__input, 'blur', onBlur); + + dom.bind(this.__selector, 'mousedown', function(e) { + + dom + .addClass(this, 'drag') + .bind(window, 'mouseup', function(e) { + dom.removeClass(_this.__selector, 'drag'); + }); + + }); + + var value_field = document.createElement('div'); + + common.extend(this.__selector.style, { + width: '122px', + height: '102px', + padding: '3px', + backgroundColor: '#222', + boxShadow: '0px 1px 3px rgba(0,0,0,0.3)' + }); + + common.extend(this.__field_knob.style, { + position: 'absolute', + width: '12px', + height: '12px', + border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'), + boxShadow: '0px 1px 3px rgba(0,0,0,0.5)', + borderRadius: '12px', + zIndex: 1 + }); + + common.extend(this.__hue_knob.style, { + position: 'absolute', + width: '15px', + height: '2px', + borderRight: '4px solid #fff', + zIndex: 1 + }); + + common.extend(this.__saturation_field.style, { + width: '100px', + height: '100px', + border: '1px solid #555', + marginRight: '3px', + display: 'inline-block', + cursor: 'pointer' + }); + + common.extend(value_field.style, { + width: '100%', + height: '100%', + background: 'none' + }); + + linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000'); + + common.extend(this.__hue_field.style, { + width: '15px', + height: '100px', + display: 'inline-block', + border: '1px solid #555', + cursor: 'ns-resize' + }); + + hueGradient(this.__hue_field); + + common.extend(this.__input.style, { + outline: 'none', + // width: '120px', + textAlign: 'center', + // padding: '4px', + // marginBottom: '6px', + color: '#fff', + border: 0, + fontWeight: 'bold', + textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)' + }); + + dom.bind(this.__saturation_field, 'mousedown', fieldDown); + dom.bind(this.__field_knob, 'mousedown', fieldDown); + + dom.bind(this.__hue_field, 'mousedown', function(e) { + setH(e); + dom.bind(window, 'mousemove', setH); + dom.bind(window, 'mouseup', unbindH); + }); + + function fieldDown(e) { + setSV(e); + // document.body.style.cursor = 'none'; + dom.bind(window, 'mousemove', setSV); + dom.bind(window, 'mouseup', unbindSV); + } + + function unbindSV() { + dom.unbind(window, 'mousemove', setSV); + dom.unbind(window, 'mouseup', unbindSV); + // document.body.style.cursor = 'default'; + } + + function onBlur() { + var i = interpret(this.value); + if (i !== false) { + _this.__color.__state = i; + _this.setValue(_this.__color.toOriginal()); + } else { + this.value = _this.__color.toString(); + } + } + + function unbindH() { + dom.unbind(window, 'mousemove', setH); + dom.unbind(window, 'mouseup', unbindH); + } + + this.__saturation_field.appendChild(value_field); + this.__selector.appendChild(this.__field_knob); + this.__selector.appendChild(this.__saturation_field); + this.__selector.appendChild(this.__hue_field); + this.__hue_field.appendChild(this.__hue_knob); + + this.domElement.appendChild(this.__input); + this.domElement.appendChild(this.__selector); + + this.updateDisplay(); + + function setSV(e) { + + e.preventDefault(); + + var w = dom.getWidth(_this.__saturation_field); + var o = dom.getOffset(_this.__saturation_field); + var s = (e.clientX - o.left + document.body.scrollLeft) / w; + var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w; + + if (v > 1) v = 1; + else if (v < 0) v = 0; + + if (s > 1) s = 1; + else if (s < 0) s = 0; + + _this.__color.v = v; + _this.__color.s = s; + + _this.setValue(_this.__color.toOriginal()); + + + return false; + + } + + function setH(e) { + + e.preventDefault(); + + var s = dom.getHeight(_this.__hue_field); + var o = dom.getOffset(_this.__hue_field); + var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s; + + if (h > 1) h = 1; + else if (h < 0) h = 0; + + _this.__color.h = h * 360; + + _this.setValue(_this.__color.toOriginal()); + + return false; + + } + + }; + + ColorController.superclass = Controller; + + common.extend( + + ColorController.prototype, + Controller.prototype, + + { + + updateDisplay: function() { + + var i = interpret(this.getValue()); + + if (i !== false) { + + var mismatch = false; + + // Check for mismatch on the interpreted value. + + common.each(Color.COMPONENTS, function(component) { + if (!common.isUndefined(i[component]) && + !common.isUndefined(this.__color.__state[component]) && + i[component] !== this.__color.__state[component]) { + mismatch = true; + return {}; // break + } + }, this); + + // If nothing diverges, we keep our previous values + // for statefulness, otherwise we recalculate fresh + if (mismatch) { + common.extend(this.__color.__state, i); + } + + } + + common.extend(this.__temp.__state, this.__color.__state); + + this.__temp.a = 1; + + var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0; + var _flip = 255 - flip; + + common.extend(this.__field_knob.style, { + marginLeft: 100 * this.__color.s - 7 + 'px', + marginTop: 100 * (1 - this.__color.v) - 7 + 'px', + backgroundColor: this.__temp.toString(), + border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')' + }); + + this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px' + + this.__temp.s = 1; + this.__temp.v = 1; + + linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString()); + + common.extend(this.__input.style, { + backgroundColor: this.__input.value = this.__color.toString(), + color: 'rgb(' + flip + ',' + flip + ',' + flip +')', + textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)' + }); + + } + + } + + ); + + var vendors = ['-moz-','-o-','-webkit-','-ms-','']; + + function linearGradient(elem, x, a, b) { + elem.style.background = ''; + common.each(vendors, function(vendor) { + elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); '; + }); + } + + function hueGradient(elem) { + elem.style.background = ''; + elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);' + elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + } + + + return ColorController; + + })(dat.controllers.Controller, + dat.dom.dom, + dat.color.Color = (function (interpret, math, toString, common) { + + var Color = function() { + + this.__state = interpret.apply(this, arguments); + + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } + + this.__state.a = this.__state.a || 1; + + + }; + + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + + common.extend(Color.prototype, { + + toString: function() { + return toString(this); + }, + + toOriginal: function() { + return this.__state.conversion.write(this); + } + + }); + + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); + + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); + + Object.defineProperty(Color.prototype, 'a', { + + get: function() { + return this.__state.a; + }, + + set: function(v) { + this.__state.a = v; + } + + }); + + Object.defineProperty(Color.prototype, 'hex', { + + get: function() { + + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } + + return this.__state.hex; + + }, + + set: function(v) { + + this.__state.space = 'HEX'; + this.__state.hex = v; + + } + + }); + + function defineRGBComponent(target, component, componentHexIndex) { + + Object.defineProperty(target, component, { + + get: function() { + + if (this.__state.space === 'RGB') { + return this.__state[component]; + } + + recalculateRGB(this, component, componentHexIndex); + + return this.__state[component]; + + }, + + set: function(v) { + + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } + + this.__state[component] = v; + + } + + }); + + } + + function defineHSVComponent(target, component) { + + Object.defineProperty(target, component, { + + get: function() { + + if (this.__state.space === 'HSV') + return this.__state[component]; + + recalculateHSV(this); + + return this.__state[component]; + + }, + + set: function(v) { + + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } + + this.__state[component] = v; + + } + + }); + + } + + function recalculateRGB(color, component, componentHexIndex) { + + if (color.__state.space === 'HEX') { + + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + + } else if (color.__state.space === 'HSV') { + + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + + } else { + + throw 'Corrupted color state'; + + } + + } + + function recalculateHSV(color) { + + var result = math.rgb_to_hsv(color.r, color.g, color.b); + + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); + + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } + + } + + return Color; + + })(dat.color.interpret, + dat.color.math = (function () { + + var tmpComponent; + + return { + + hsv_to_rgb: function(h, s, v) { + + var hi = Math.floor(h / 60) % 6; + + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; + + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; + + }, + + rgb_to_hsv: function(r, g, b) { + + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; + + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } + + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } + + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, + + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, + + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, + + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } + + } + + })(), + dat.color.toString, + dat.utils.common), + dat.color.interpret, + dat.utils.common), + dat.utils.requestAnimationFrame = (function () { + + /** + * requirejs version of Paul Irish's RequestAnimationFrame + * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ + */ + + return window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback, element) { + + window.setTimeout(callback, 1000 / 60); + + }; + })(), + dat.dom.CenteredDiv = (function (dom, common) { + + + var CenteredDiv = function() { + + this.backgroundElement = document.createElement('div'); + common.extend(this.backgroundElement.style, { + backgroundColor: 'rgba(0,0,0,0.8)', + top: 0, + left: 0, + display: 'none', + zIndex: '1000', + opacity: 0, + WebkitTransition: 'opacity 0.2s linear' + }); + + dom.makeFullscreen(this.backgroundElement); + this.backgroundElement.style.position = 'fixed'; + + this.domElement = document.createElement('div'); + common.extend(this.domElement.style, { + position: 'fixed', + display: 'none', + zIndex: '1001', + opacity: 0, + WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear' + }); + + + document.body.appendChild(this.backgroundElement); + document.body.appendChild(this.domElement); + + var _this = this; + dom.bind(this.backgroundElement, 'click', function() { + _this.hide(); + }); + + + }; + + CenteredDiv.prototype.show = function() { + + var _this = this; + + + + this.backgroundElement.style.display = 'block'; + + this.domElement.style.display = 'block'; + this.domElement.style.opacity = 0; + // this.domElement.style.top = '52%'; + this.domElement.style.webkitTransform = 'scale(1.1)'; + + this.layout(); + + common.defer(function() { + _this.backgroundElement.style.opacity = 1; + _this.domElement.style.opacity = 1; + _this.domElement.style.webkitTransform = 'scale(1)'; + }); + + }; + + CenteredDiv.prototype.hide = function() { + + var _this = this; + + var hide = function() { + + _this.domElement.style.display = 'none'; + _this.backgroundElement.style.display = 'none'; + + dom.unbind(_this.domElement, 'webkitTransitionEnd', hide); + dom.unbind(_this.domElement, 'transitionend', hide); + dom.unbind(_this.domElement, 'oTransitionEnd', hide); + + }; + + dom.bind(this.domElement, 'webkitTransitionEnd', hide); + dom.bind(this.domElement, 'transitionend', hide); + dom.bind(this.domElement, 'oTransitionEnd', hide); + + this.backgroundElement.style.opacity = 0; + // this.domElement.style.top = '48%'; + this.domElement.style.opacity = 0; + this.domElement.style.webkitTransform = 'scale(1.1)'; + + }; + + CenteredDiv.prototype.layout = function() { + this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px'; + this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px'; + }; + + function lockScroll(e) { + console.log(e); + } + + return CenteredDiv; + + })(dat.dom.dom, + dat.utils.common), + dat.dom.dom, + dat.utils.common); + +/***/ }, +/* 5 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ + + /** @namespace */ + var dat = module.exports = dat || {}; + + /** @namespace */ + dat.color = dat.color || {}; + + /** @namespace */ + dat.utils = dat.utils || {}; + + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; + + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ + + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { + + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { + + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, + + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); + + + dat.color.toString = (function (common) { + + return function(color) { + + if (color.a == 1 || common.isUndefined(color.a)) { + + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } + + return '#' + s; + + } else { + + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + + } + + } + + })(dat.utils.common); + + + dat.Color = dat.color.Color = (function (interpret, math, toString, common) { + + var Color = function() { + + this.__state = interpret.apply(this, arguments); + + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } + + this.__state.a = this.__state.a || 1; + + + }; + + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + + common.extend(Color.prototype, { + + toString: function() { + return toString(this); + }, + + toOriginal: function() { + return this.__state.conversion.write(this); + } + + }); + + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); + + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); + + Object.defineProperty(Color.prototype, 'a', { + + get: function() { + return this.__state.a; + }, + + set: function(v) { + this.__state.a = v; + } + + }); + + Object.defineProperty(Color.prototype, 'hex', { + + get: function() { + + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } + + return this.__state.hex; + + }, + + set: function(v) { + + this.__state.space = 'HEX'; + this.__state.hex = v; + + } + + }); + + function defineRGBComponent(target, component, componentHexIndex) { + + Object.defineProperty(target, component, { + + get: function() { + + if (this.__state.space === 'RGB') { + return this.__state[component]; + } + + recalculateRGB(this, component, componentHexIndex); + + return this.__state[component]; + + }, + + set: function(v) { + + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } + + this.__state[component] = v; + + } + + }); + + } + + function defineHSVComponent(target, component) { + + Object.defineProperty(target, component, { + + get: function() { + + if (this.__state.space === 'HSV') + return this.__state[component]; + + recalculateHSV(this); + + return this.__state[component]; + + }, + + set: function(v) { + + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } + + this.__state[component] = v; + + } + + }); + + } + + function recalculateRGB(color, component, componentHexIndex) { + + if (color.__state.space === 'HEX') { + + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + + } else if (color.__state.space === 'HSV') { + + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + + } else { + + throw 'Corrupted color state'; + + } + + } + + function recalculateHSV(color) { + + var result = math.rgb_to_hsv(color.r, color.g, color.b); + + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); + + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } + + } + + return Color; + + })(dat.color.interpret = (function (toString, common) { + + var result, toReturn; + + var interpret = function() { + + toReturn = false; + + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + + common.each(INTERPRETATIONS, function(family) { + + if (family.litmus(original)) { + + common.each(family.conversions, function(conversion, conversionName) { + + result = conversion.read(original); + + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; + + } + + }); + + return common.BREAK; + + } + + }); + + return toReturn; + + }; + + var INTERPRETATIONS = [ + + // Strings + { + + litmus: common.isString, + + conversions: { + + THREE_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; + + }, + + write: toString + + }, + + SIX_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; + + }, + + write: toString + + }, + + CSS_RGB: { + + read: function(original) { + + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; + + }, + + write: toString + + }, + + CSS_RGBA: { + + read: function(original) { + + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; + + }, + + write: toString + + } + + } + + }, + + // Numbers + { + + litmus: common.isNumber, + + conversions: { + + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, + + write: function(color) { + return color.hex; + } + } + + } + + }, + + // Arrays + { + + litmus: common.isArray, + + conversions: { + + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b]; + } + + }, + + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } + + } + + } + + }, + + // Objects + { + + litmus: common.isObject, + + conversions: { + + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, + + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, + + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, + + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } + + } + + } + + } + + + ]; + + return interpret; + + + })(dat.color.toString, + dat.utils.common), + dat.color.math = (function () { + + var tmpComponent; + + return { + + hsv_to_rgb: function(h, s, v) { + + var hi = Math.floor(h / 60) % 6; + + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; + + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; + + }, + + rgb_to_hsv: function(r, g, b) { + + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; + + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } + + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } + + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, + + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, + + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, + + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } + + } + + })(), + dat.color.toString, + dat.utils.common); + +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { + + (function (global, factory) { + true ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.THREE = global.THREE || {}))); + }(this, (function (exports) { 'use strict'; + + // Polyfills + + if ( Number.EPSILON === undefined ) { + + Number.EPSILON = Math.pow( 2, - 52 ); + + } + + // + + if ( Math.sign === undefined ) { + + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign + + Math.sign = function ( x ) { + + return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; + + }; + + } + + if ( Function.prototype.name === undefined ) { + + // Missing in IE9-11. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name + + Object.defineProperty( Function.prototype, 'name', { + + get: function () { + + return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ]; + + } + + } ); + + } + + if ( Object.assign === undefined ) { + + // Missing in IE. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign + + ( function () { + + Object.assign = function ( target ) { + + 'use strict'; + + if ( target === undefined || target === null ) { + + throw new TypeError( 'Cannot convert undefined or null to object' ); + + } + + var output = Object( target ); + + for ( var index = 1; index < arguments.length; index ++ ) { + + var source = arguments[ index ]; + + if ( source !== undefined && source !== null ) { + + for ( var nextKey in source ) { + + if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { + + output[ nextKey ] = source[ nextKey ]; + + } + + } + + } + + } + + return output; + + }; + + } )(); + + } + + /** + * https://github.com/mrdoob/eventdispatcher.js/ + */ + + function EventDispatcher() {} + + Object.assign( EventDispatcher.prototype, { + + addEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) this._listeners = {}; + + var listeners = this._listeners; + + if ( listeners[ type ] === undefined ) { + + listeners[ type ] = []; + + } + + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + + listeners[ type ].push( listener ); + + } + + }, + + hasEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) return false; + + var listeners = this._listeners; + + if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { + + return true; + + } + + return false; + + }, + + removeEventListener: function ( type, listener ) { + + if ( this._listeners === undefined ) return; + + var listeners = this._listeners; + var listenerArray = listeners[ type ]; + + if ( listenerArray !== undefined ) { + + var index = listenerArray.indexOf( listener ); + + if ( index !== - 1 ) { + + listenerArray.splice( index, 1 ); + + } + + } + + }, + + dispatchEvent: function ( event ) { + + if ( this._listeners === undefined ) return; + + var listeners = this._listeners; + var listenerArray = listeners[ event.type ]; + + if ( listenerArray !== undefined ) { + + event.target = this; + + var array = [], i = 0; + var length = listenerArray.length; + + for ( i = 0; i < length; i ++ ) { + + array[ i ] = listenerArray[ i ]; + + } + + for ( i = 0; i < length; i ++ ) { + + array[ i ].call( this, event ); + + } + + } + + } + + } ); + + var REVISION = '82'; + var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; + var CullFaceNone = 0; + var CullFaceBack = 1; + var CullFaceFront = 2; + var CullFaceFrontBack = 3; + var FrontFaceDirectionCW = 0; + var FrontFaceDirectionCCW = 1; + var BasicShadowMap = 0; + var PCFShadowMap = 1; + var PCFSoftShadowMap = 2; + var FrontSide = 0; + var BackSide = 1; + var DoubleSide = 2; + var FlatShading = 1; + var SmoothShading = 2; + var NoColors = 0; + var FaceColors = 1; + var VertexColors = 2; + var NoBlending = 0; + var NormalBlending = 1; + var AdditiveBlending = 2; + var SubtractiveBlending = 3; + var MultiplyBlending = 4; + var CustomBlending = 5; + var BlendingMode = { + NoBlending: NoBlending, + NormalBlending: NormalBlending, + AdditiveBlending: AdditiveBlending, + SubtractiveBlending: SubtractiveBlending, + MultiplyBlending: MultiplyBlending, + CustomBlending: CustomBlending + }; + var AddEquation = 100; + var SubtractEquation = 101; + var ReverseSubtractEquation = 102; + var MinEquation = 103; + var MaxEquation = 104; + var ZeroFactor = 200; + var OneFactor = 201; + var SrcColorFactor = 202; + var OneMinusSrcColorFactor = 203; + var SrcAlphaFactor = 204; + var OneMinusSrcAlphaFactor = 205; + var DstAlphaFactor = 206; + var OneMinusDstAlphaFactor = 207; + var DstColorFactor = 208; + var OneMinusDstColorFactor = 209; + var SrcAlphaSaturateFactor = 210; + var NeverDepth = 0; + var AlwaysDepth = 1; + var LessDepth = 2; + var LessEqualDepth = 3; + var EqualDepth = 4; + var GreaterEqualDepth = 5; + var GreaterDepth = 6; + var NotEqualDepth = 7; + var MultiplyOperation = 0; + var MixOperation = 1; + var AddOperation = 2; + var NoToneMapping = 0; + var LinearToneMapping = 1; + var ReinhardToneMapping = 2; + var Uncharted2ToneMapping = 3; + var CineonToneMapping = 4; + var UVMapping = 300; + var CubeReflectionMapping = 301; + var CubeRefractionMapping = 302; + var EquirectangularReflectionMapping = 303; + var EquirectangularRefractionMapping = 304; + var SphericalReflectionMapping = 305; + var CubeUVReflectionMapping = 306; + var CubeUVRefractionMapping = 307; + var TextureMapping = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + SphericalReflectionMapping: SphericalReflectionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping, + CubeUVRefractionMapping: CubeUVRefractionMapping + }; + var RepeatWrapping = 1000; + var ClampToEdgeWrapping = 1001; + var MirroredRepeatWrapping = 1002; + var TextureWrapping = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping + }; + var NearestFilter = 1003; + var NearestMipMapNearestFilter = 1004; + var NearestMipMapLinearFilter = 1005; + var LinearFilter = 1006; + var LinearMipMapNearestFilter = 1007; + var LinearMipMapLinearFilter = 1008; + var TextureFilter = { + NearestFilter: NearestFilter, + NearestMipMapNearestFilter: NearestMipMapNearestFilter, + NearestMipMapLinearFilter: NearestMipMapLinearFilter, + LinearFilter: LinearFilter, + LinearMipMapNearestFilter: LinearMipMapNearestFilter, + LinearMipMapLinearFilter: LinearMipMapLinearFilter + }; + var UnsignedByteType = 1009; + var ByteType = 1010; + var ShortType = 1011; + var UnsignedShortType = 1012; + var IntType = 1013; + var UnsignedIntType = 1014; + var FloatType = 1015; + var HalfFloatType = 1016; + var UnsignedShort4444Type = 1017; + var UnsignedShort5551Type = 1018; + var UnsignedShort565Type = 1019; + var UnsignedInt248Type = 1020; + var AlphaFormat = 1021; + var RGBFormat = 1022; + var RGBAFormat = 1023; + var LuminanceFormat = 1024; + var LuminanceAlphaFormat = 1025; + var RGBEFormat = RGBAFormat; + var DepthFormat = 1026; + var DepthStencilFormat = 1027; + var RGB_S3TC_DXT1_Format = 2001; + var RGBA_S3TC_DXT1_Format = 2002; + var RGBA_S3TC_DXT3_Format = 2003; + var RGBA_S3TC_DXT5_Format = 2004; + var RGB_PVRTC_4BPPV1_Format = 2100; + var RGB_PVRTC_2BPPV1_Format = 2101; + var RGBA_PVRTC_4BPPV1_Format = 2102; + var RGBA_PVRTC_2BPPV1_Format = 2103; + var RGB_ETC1_Format = 2151; + var LoopOnce = 2200; + var LoopRepeat = 2201; + var LoopPingPong = 2202; + var InterpolateDiscrete = 2300; + var InterpolateLinear = 2301; + var InterpolateSmooth = 2302; + var ZeroCurvatureEnding = 2400; + var ZeroSlopeEnding = 2401; + var WrapAroundEnding = 2402; + var TrianglesDrawMode = 0; + var TriangleStripDrawMode = 1; + var TriangleFanDrawMode = 2; + var LinearEncoding = 3000; + var sRGBEncoding = 3001; + var GammaEncoding = 3007; + var RGBEEncoding = 3002; + var LogLuvEncoding = 3003; + var RGBM7Encoding = 3004; + var RGBM16Encoding = 3005; + var RGBDEncoding = 3006; + var BasicDepthPacking = 3200; + var RGBADepthPacking = 3201; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + var _Math = { + + DEG2RAD: Math.PI / 180, + RAD2DEG: 180 / Math.PI, + + generateUUID: function () { + + // http://www.broofa.com/Tools/Math.uuid.htm + + var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); + var uuid = new Array( 36 ); + var rnd = 0, r; + + return function generateUUID() { + + for ( var i = 0; i < 36; i ++ ) { + + if ( i === 8 || i === 13 || i === 18 || i === 23 ) { + + uuid[ i ] = '-'; + + } else if ( i === 14 ) { + + uuid[ i ] = '4'; + + } else { + + if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; + r = rnd & 0xf; + rnd = rnd >> 4; + uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; + + } + + } + + return uuid.join( '' ); + + }; + + }(), + + clamp: function ( value, min, max ) { + + return Math.max( min, Math.min( max, value ) ); + + }, + + // compute euclidian modulo of m % n + // https://en.wikipedia.org/wiki/Modulo_operation + + euclideanModulo: function ( n, m ) { + + return ( ( n % m ) + m ) % m; + + }, + + // Linear mapping from range to range + + mapLinear: function ( x, a1, a2, b1, b2 ) { + + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + + }, + + // https://en.wikipedia.org/wiki/Linear_interpolation + + lerp: function ( x, y, t ) { + + return ( 1 - t ) * x + t * y; + + }, + + // http://en.wikipedia.org/wiki/Smoothstep + + smoothstep: function ( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * ( 3 - 2 * x ); + + }, + + smootherstep: function ( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + + }, + + random16: function () { + + console.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' ); + return Math.random(); + + }, + + // Random integer from interval + + randInt: function ( low, high ) { + + return low + Math.floor( Math.random() * ( high - low + 1 ) ); + + }, + + // Random float from interval + + randFloat: function ( low, high ) { + + return low + Math.random() * ( high - low ); + + }, + + // Random float from <-range/2, range/2> interval + + randFloatSpread: function ( range ) { + + return range * ( 0.5 - Math.random() ); + + }, + + degToRad: function ( degrees ) { + + return degrees * _Math.DEG2RAD; + + }, + + radToDeg: function ( radians ) { + + return radians * _Math.RAD2DEG; + + }, + + isPowerOfTwo: function ( value ) { + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + + }, + + nearestPowerOfTwo: function ( value ) { + + return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); + + }, + + nextPowerOfTwo: function ( value ) { + + value --; + value |= value >> 1; + value |= value >> 2; + value |= value >> 4; + value |= value >> 8; + value |= value >> 16; + value ++; + + return value; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author philogb / http://blog.thejit.org/ + * @author egraether / http://egraether.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + + function Vector2( x, y ) { + + this.x = x || 0; + this.y = y || 0; + + } + + Vector2.prototype = { + + constructor: Vector2, + + isVector2: true, + + get width() { + + return this.x; + + }, + + set width( value ) { + + this.x = value; + + }, + + get height() { + + return this.y; + + }, + + set height( value ) { + + this.y = value; + + }, + + // + + set: function ( x, y ) { + + this.x = x; + this.y = y; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + + return this; + + }, + + multiply: function ( v ) { + + this.x *= v.x; + this.y *= v.y; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + + } else { + + this.x = 0; + this.y = 0; + + } + + return this; + + }, + + divide: function ( v ) { + + this.x /= v.x; + this.y /= v.y; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + + return this; + + }, + + clamp: function ( min, max ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + + return this; + + }, + + clampScalar: function () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector2(); + max = new Vector2(); + + } + + min.set( minVal, minVal ); + max.set( maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + + }, + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y ); + + }, + + lengthManhattan: function() { + + return Math.abs( this.x ) + Math.abs( this.y ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() ); + + }, + + angle: function () { + + // computes the angle in radians with respect to the positive x-axis + + var angle = Math.atan2( this.y, this.x ); + + if ( angle < 0 ) angle += 2 * Math.PI; + + return angle; + + }, + + distanceTo: function ( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + }, + + distanceToSquared: function ( v ) { + + var dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + + }, + + distanceToManhattan: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.length() ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + + return array; + + }, + + fromAttribute: function ( attribute, index, offset ) { + + if ( offset === undefined ) offset = 0; + + index = index * attribute.itemSize + offset; + + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + + return this; + + }, + + rotateAround: function ( center, angle ) { + + var c = Math.cos( angle ), s = Math.sin( angle ); + + var x = this.x - center.x; + var y = this.y - center.y; + + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + + return this; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */ + + function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + + Object.defineProperty( this, 'id', { value: TextureIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.sourceFile = ''; + + this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; + this.mipmaps = []; + + this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; + + this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; + this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; + + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter; + + this.anisotropy = anisotropy !== undefined ? anisotropy : 1; + + this.format = format !== undefined ? format : RGBAFormat; + this.type = type !== undefined ? type : UnsignedByteType; + + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + + + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding = encoding !== undefined ? encoding : LinearEncoding; + + this.version = 0; + this.onUpdate = null; + + } + + Texture.DEFAULT_IMAGE = undefined; + Texture.DEFAULT_MAPPING = UVMapping; + + Texture.prototype = { + + constructor: Texture, + + isTexture: true, + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.image = source.image; + this.mipmaps = source.mipmaps.slice( 0 ); + + this.mapping = source.mapping; + + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + + this.anisotropy = source.anisotropy; + + this.format = source.format; + this.type = source.type; + + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.encoding = source.encoding; + + return this; + + }, + + toJSON: function ( meta ) { + + if ( meta.textures[ this.uuid ] !== undefined ) { + + return meta.textures[ this.uuid ]; + + } + + function getDataURL( image ) { + + var canvas; + + if ( image.toDataURL !== undefined ) { + + canvas = image; + + } else { + + canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = image.width; + canvas.height = image.height; + + canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); + + } + + if ( canvas.width > 2048 || canvas.height > 2048 ) { + + return canvas.toDataURL( 'image/jpeg', 0.6 ); + + } else { + + return canvas.toDataURL( 'image/png' ); + + } + + } + + var output = { + metadata: { + version: 4.4, + type: 'Texture', + generator: 'Texture.toJSON' + }, + + uuid: this.uuid, + name: this.name, + + mapping: this.mapping, + + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + wrap: [ this.wrapS, this.wrapT ], + + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + + flipY: this.flipY + }; + + if ( this.image !== undefined ) { + + // TODO: Move to THREE.Image + + var image = this.image; + + if ( image.uuid === undefined ) { + + image.uuid = _Math.generateUUID(); // UGH + + } + + if ( meta.images[ image.uuid ] === undefined ) { + + meta.images[ image.uuid ] = { + uuid: image.uuid, + url: getDataURL( image ) + }; + + } + + output.image = image.uuid; + + } + + meta.textures[ this.uuid ] = output; + + return output; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + }, + + transformUv: function ( uv ) { + + if ( this.mapping !== UVMapping ) return; + + uv.multiply( this.repeat ); + uv.add( this.offset ); + + if ( uv.x < 0 || uv.x > 1 ) { + + switch ( this.wrapS ) { + + case RepeatWrapping: + + uv.x = uv.x - Math.floor( uv.x ); + break; + + case ClampToEdgeWrapping: + + uv.x = uv.x < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + + uv.x = Math.ceil( uv.x ) - uv.x; + + } else { + + uv.x = uv.x - Math.floor( uv.x ); + + } + break; + + } + + } + + if ( uv.y < 0 || uv.y > 1 ) { + + switch ( this.wrapT ) { + + case RepeatWrapping: + + uv.y = uv.y - Math.floor( uv.y ); + break; + + case ClampToEdgeWrapping: + + uv.y = uv.y < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + + uv.y = Math.ceil( uv.y ) - uv.y; + + } else { + + uv.y = uv.y - Math.floor( uv.y ); + + } + break; + + } + + } + + if ( this.flipY ) { + + uv.y = 1 - uv.y; + + } + + } + + }; + + Object.assign( Texture.prototype, EventDispatcher.prototype ); + + var count = 0; + function TextureIdCount() { return count++; } + + /** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function Vector4( x, y, z, w ) { + + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + this.w = ( w !== undefined ) ? w : 1; + + } + + Vector4.prototype = { + + constructor: Vector4, + + isVector4: true, + + set: function ( x, y, z, w ) { + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setZ: function ( z ) { + + this.z = z; + + return this; + + }, + + setW: function ( w ) { + + this.w = w; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y, this.z, this.w ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + this.z += s; + this.w += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + + } else { + + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; + + } + + return this; + + }, + + applyMatrix4: function ( m ) { + + var x = this.x, y = this.y, z = this.z, w = this.w; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + setAxisAngleFromQuaternion: function ( q ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + + // q is assumed to be normalized + + this.w = 2 * Math.acos( q.w ); + + var s = Math.sqrt( 1 - q.w * q.w ); + + if ( s < 0.0001 ) { + + this.x = 1; + this.y = 0; + this.z = 0; + + } else { + + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + + } + + return this; + + }, + + setAxisAngleFromRotationMatrix: function ( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var angle, x, y, z, // variables for result + epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + + te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { + + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms + + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + + // this singularity is identity matrix so angle = 0 + + this.set( 1, 0, 0, 0 ); + + return this; // zero angle, arbitrary axis + + } + + // otherwise this singularity is angle = 180 + + angle = Math.PI; + + var xx = ( m11 + 1 ) / 2; + var yy = ( m22 + 1 ) / 2; + var zz = ( m33 + 1 ) / 2; + var xy = ( m12 + m21 ) / 4; + var xz = ( m13 + m31 ) / 4; + var yz = ( m23 + m32 ) / 4; + + if ( ( xx > yy ) && ( xx > zz ) ) { + + // m11 is the largest diagonal term + + if ( xx < epsilon ) { + + x = 0; + y = 0.707106781; + z = 0.707106781; + + } else { + + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; + + } + + } else if ( yy > zz ) { + + // m22 is the largest diagonal term + + if ( yy < epsilon ) { + + x = 0.707106781; + y = 0; + z = 0.707106781; + + } else { + + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; + + } + + } else { + + // m33 is the largest diagonal term so base result on this + + if ( zz < epsilon ) { + + x = 0.707106781; + y = 0.707106781; + z = 0; + + } else { + + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; + + } + + } + + this.set( x, y, z, angle ); + + return this; // return 180 deg rotation + + } + + // as we have reached here there are no singularities so we can handle normally + + var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + + if ( Math.abs( s ) < 0.001 ) s = 1; + + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case + + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + + return this; + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); + + return this; + + }, + + clamp: function ( min, max ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + + return this; + + }, + + clampScalar: function () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector4(); + max = new Vector4(); + + } + + min.set( minVal, minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + + }, + + lengthManhattan: function () { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.length() ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; + + return array; + + }, + + fromAttribute: function ( attribute, index, offset ) { + + if ( offset === undefined ) offset = 0; + + index = index * attribute.itemSize + offset; + + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; + this.w = attribute.array[ index + 3 ]; + + return this; + + } + + }; + + /** + * @author szimek / https://github.com/szimek/ + * @author alteredq / http://alteredqualia.com/ + * @author Marius Kintel / https://github.com/kintel + */ + + /* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers + */ + function WebGLRenderTarget( width, height, options ) { + + this.uuid = _Math.generateUUID(); + + this.width = width; + this.height = height; + + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; + + this.viewport = new Vector4( 0, 0, width, height ); + + options = options || {}; + + if ( options.minFilter === undefined ) options.minFilter = LinearFilter; + + this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + + this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; + this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; + this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; + + } + + Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, { + + isWebGLRenderTarget: true, + + setSize: function ( width, height ) { + + if ( this.width !== width || this.height !== height ) { + + this.width = width; + this.height = height; + + this.dispose(); + + } + + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.width = source.width; + this.height = source.height; + + this.viewport.copy( source.viewport ); + + this.texture = source.texture.clone(); + + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.depthTexture = source.depthTexture; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com + */ + + function WebGLRenderTargetCube( width, height, options ) { + + WebGLRenderTarget.call( this, width, height, options ); + + this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5 + this.activeMipMapLevel = 0; + + } + + WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); + WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; + + WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ + + function Quaternion( x, y, z, w ) { + + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._w = ( w !== undefined ) ? w : 1; + + } + + Quaternion.prototype = { + + constructor: Quaternion, + + get x () { + + return this._x; + + }, + + set x ( value ) { + + this._x = value; + this.onChangeCallback(); + + }, + + get y () { + + return this._y; + + }, + + set y ( value ) { + + this._y = value; + this.onChangeCallback(); + + }, + + get z () { + + return this._z; + + }, + + set z ( value ) { + + this._z = value; + this.onChangeCallback(); + + }, + + get w () { + + return this._w; + + }, + + set w ( value ) { + + this._w = value; + this.onChangeCallback(); + + }, + + set: function ( x, y, z, w ) { + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + this.onChangeCallback(); + + return this; + + }, + + clone: function () { + + return new this.constructor( this._x, this._y, this._z, this._w ); + + }, + + copy: function ( quaternion ) { + + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + + this.onChangeCallback(); + + return this; + + }, + + setFromEuler: function ( euler, update ) { + + if ( (euler && euler.isEuler) === false ) { + + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + + var c1 = Math.cos( euler._x / 2 ); + var c2 = Math.cos( euler._y / 2 ); + var c3 = Math.cos( euler._z / 2 ); + var s1 = Math.sin( euler._x / 2 ); + var s2 = Math.sin( euler._y / 2 ); + var s3 = Math.sin( euler._z / 2 ); + + var order = euler.order; + + if ( order === 'XYZ' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'YXZ' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'ZXY' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'ZYX' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } else if ( order === 'YZX' ) { + + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + + } else if ( order === 'XZY' ) { + + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + + } + + if ( update !== false ) this.onChangeCallback(); + + return this; + + }, + + setFromAxisAngle: function ( axis, angle ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + + // assumes axis is normalized + + var halfAngle = angle / 2, s = Math.sin( halfAngle ); + + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); + + this.onChangeCallback(); + + return this; + + }, + + setFromRotationMatrix: function ( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + + trace = m11 + m22 + m33, + s; + + if ( trace > 0 ) { + + s = 0.5 / Math.sqrt( trace + 1.0 ); + + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; + + } else if ( m11 > m22 && m11 > m33 ) { + + s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; + + } else if ( m22 > m33 ) { + + s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; + + } else { + + s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; + + } + + this.onChangeCallback(); + + return this; + + }, + + setFromUnitVectors: function () { + + // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final + + // assumes direction vectors vFrom and vTo are normalized + + var v1, r; + + var EPS = 0.000001; + + return function setFromUnitVectors( vFrom, vTo ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + r = vFrom.dot( vTo ) + 1; + + if ( r < EPS ) { + + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + + v1.set( - vFrom.y, vFrom.x, 0 ); + + } else { + + v1.set( 0, - vFrom.z, vFrom.y ); + + } + + } else { + + v1.crossVectors( vFrom, vTo ); + + } + + this._x = v1.x; + this._y = v1.y; + this._z = v1.z; + this._w = r; + + return this.normalize(); + + }; + + }(), + + inverse: function () { + + return this.conjugate().normalize(); + + }, + + conjugate: function () { + + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; + + this.onChangeCallback(); + + return this; + + }, + + dot: function ( v ) { + + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + + }, + + lengthSq: function () { + + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + + }, + + length: function () { + + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + + }, + + normalize: function () { + + var l = this.length(); + + if ( l === 0 ) { + + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + + } else { + + l = 1 / l; + + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + + } + + this.onChangeCallback(); + + return this; + + }, + + multiply: function ( q, p ) { + + if ( p !== undefined ) { + + console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); + return this.multiplyQuaternions( q, p ); + + } + + return this.multiplyQuaternions( this, q ); + + }, + + premultiply: function ( q ) { + + return this.multiplyQuaternions( q, this ); + + }, + + multiplyQuaternions: function ( a, b ) { + + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + + var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + + this.onChangeCallback(); + + return this; + + }, + + slerp: function ( qb, t ) { + + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); + + var x = this._x, y = this._y, z = this._z, w = this._w; + + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + + var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + + if ( cosHalfTheta < 0 ) { + + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + + cosHalfTheta = - cosHalfTheta; + + } else { + + this.copy( qb ); + + } + + if ( cosHalfTheta >= 1.0 ) { + + this._w = w; + this._x = x; + this._y = y; + this._z = z; + + return this; + + } + + var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); + + if ( Math.abs( sinHalfTheta ) < 0.001 ) { + + this._w = 0.5 * ( w + this._w ); + this._x = 0.5 * ( x + this._x ); + this._y = 0.5 * ( y + this._y ); + this._z = 0.5 * ( z + this._z ); + + return this; + + } + + var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); + + this.onChangeCallback(); + + return this; + + }, + + equals: function ( quaternion ) { + + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; + + this.onChangeCallback(); + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; + + return array; + + }, + + onChange: function ( callback ) { + + this.onChangeCallback = callback; + + return this; + + }, + + onChangeCallback: function () {} + + }; + + Object.assign( Quaternion, { + + slerp: function( qa, qb, qm, t ) { + + return qm.copy( qa ).slerp( qb, t ); + + }, + + slerpFlat: function( + dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + + // fuzz-free, array-based Quaternion SLERP operation + + var x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ], + + x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; + + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + + var s = 1 - t, + + cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; + + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { + + var sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); + + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; + + } + + var tDir = t * dir; + + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { + + var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + + } + + } + + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author *kile / http://kile.stravaganza.org/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function Vector3( x, y, z ) { + + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + + } + + Vector3.prototype = { + + constructor: Vector3, + + isVector3: true, + + set: function ( x, y, z ) { + + this.x = x; + this.y = y; + this.z = z; + + return this; + + }, + + setScalar: function ( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + + return this; + + }, + + setX: function ( x ) { + + this.x = x; + + return this; + + }, + + setY: function ( y ) { + + this.y = y; + + return this; + + }, + + setZ: function ( z ) { + + this.z = z; + + return this; + + }, + + setComponent: function ( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + }, + + getComponent: function ( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); + + } + + }, + + clone: function () { + + return new this.constructor( this.x, this.y, this.z ); + + }, + + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + + return this; + + }, + + add: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + + return this; + + }, + + addScalar: function ( s ) { + + this.x += s; + this.y += s; + this.z += s; + + return this; + + }, + + addVectors: function ( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + + return this; + + }, + + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + + return this; + + }, + + sub: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + + return this; + + }, + + subScalar: function ( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + + return this; + + }, + + subVectors: function ( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + + return this; + + }, + + multiply: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); + return this.multiplyVectors( v, w ); + + } + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + + return this; + + }, + + multiplyScalar: function ( scalar ) { + + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + + } else { + + this.x = 0; + this.y = 0; + this.z = 0; + + } + + return this; + + }, + + multiplyVectors: function ( a, b ) { + + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + + return this; + + }, + + applyEuler: function () { + + var quaternion; + + return function applyEuler( euler ) { + + if ( (euler && euler.isEuler) === false ) { + + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + if ( quaternion === undefined ) quaternion = new Quaternion(); + + return this.applyQuaternion( quaternion.setFromEuler( euler ) ); + + }; + + }(), + + applyAxisAngle: function () { + + var quaternion; + + return function applyAxisAngle( axis, angle ) { + + if ( quaternion === undefined ) quaternion = new Quaternion(); + + return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) ); + + }; + + }(), + + applyMatrix3: function ( m ) { + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + + return this; + + }, + + applyMatrix4: function ( m ) { + + // input: THREE.Matrix4 affine matrix + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ]; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; + + return this; + + }, + + applyProjection: function ( m ) { + + // input: THREE.Matrix4 projection matrix + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide + + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d; + + return this; + + }, + + applyQuaternion: function ( q ) { + + var x = this.x, y = this.y, z = this.z; + var qx = q.x, qy = q.y, qz = q.z, qw = q.w; + + // calculate quat * vector + + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = - qx * x - qy * y - qz * z; + + // calculate result * inverse quat + + this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; + this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; + this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; + + return this; + + }, + + project: function () { + + var matrix; + + return function project( camera ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); + return this.applyProjection( matrix ); + + }; + + }(), + + unproject: function () { + + var matrix; + + return function unproject( camera ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); + return this.applyProjection( matrix ); + + }; + + }(), + + transformDirection: function ( m ) { + + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction + + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + + return this.normalize(); + + }, + + divide: function ( v ) { + + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + + return this; + + }, + + divideScalar: function ( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + }, + + min: function ( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + + return this; + + }, + + max: function ( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + + return this; + + }, + + clamp: function ( min, max ) { + + // This function assumes min < max, if this assumption isn't true it will not operate correctly + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + + return this; + + }, + + clampScalar: function () { + + var min, max; + + return function clampScalar( minVal, maxVal ) { + + if ( min === undefined ) { + + min = new Vector3(); + max = new Vector3(); + + } + + min.set( minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal ); + + return this.clamp( min, max ); + + }; + + }(), + + clampLength: function ( min, max ) { + + var length = this.length(); + + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + + }, + + floor: function () { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + + return this; + + }, + + ceil: function () { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + + return this; + + }, + + round: function () { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + + return this; + + }, + + roundToZero: function () { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + + return this; + + }, + + negate: function () { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + + return this; + + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z; + + }, + + lengthSq: function () { + + return this.x * this.x + this.y * this.y + this.z * this.z; + + }, + + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + + }, + + lengthManhattan: function () { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + + }, + + normalize: function () { + + return this.divideScalar( this.length() ); + + }, + + setLength: function ( length ) { + + return this.multiplyScalar( length / this.length() ); + + }, + + lerp: function ( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + + return this; + + }, + + lerpVectors: function ( v1, v2, alpha ) { + + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + + }, + + cross: function ( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); + return this.crossVectors( v, w ); + + } + + var x = this.x, y = this.y, z = this.z; + + this.x = y * v.z - z * v.y; + this.y = z * v.x - x * v.z; + this.z = x * v.y - y * v.x; + + return this; + + }, + + crossVectors: function ( a, b ) { + + var ax = a.x, ay = a.y, az = a.z; + var bx = b.x, by = b.y, bz = b.z; + + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + + return this; + + }, + + projectOnVector: function ( vector ) { + + var scalar = vector.dot( this ) / vector.lengthSq(); + + return this.copy( vector ).multiplyScalar( scalar ); + + }, + + projectOnPlane: function () { + + var v1; + + return function projectOnPlane( planeNormal ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + v1.copy( this ).projectOnVector( planeNormal ); + + return this.sub( v1 ); + + }; + + }(), + + reflect: function () { + + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + + var v1; + + return function reflect( normal ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + + }; + + }(), + + angleTo: function ( v ) { + + var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); + + // clamp, to handle numerical problems + + return Math.acos( _Math.clamp( theta, - 1, 1 ) ); + + }, + + distanceTo: function ( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + }, + + distanceToSquared: function ( v ) { + + var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + + return dx * dx + dy * dy + dz * dz; + + }, + + distanceToManhattan: function ( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + + }, + + setFromSpherical: function( s ) { + + var sinPhiRadius = Math.sin( s.phi ) * s.radius; + + this.x = sinPhiRadius * Math.sin( s.theta ); + this.y = Math.cos( s.phi ) * s.radius; + this.z = sinPhiRadius * Math.cos( s.theta ); + + return this; + + }, + + setFromMatrixPosition: function ( m ) { + + return this.setFromMatrixColumn( m, 3 ); + + }, + + setFromMatrixScale: function ( m ) { + + var sx = this.setFromMatrixColumn( m, 0 ).length(); + var sy = this.setFromMatrixColumn( m, 1 ).length(); + var sz = this.setFromMatrixColumn( m, 2 ).length(); + + this.x = sx; + this.y = sy; + this.z = sz; + + return this; + + }, + + setFromMatrixColumn: function ( m, index ) { + + if ( typeof m === 'number' ) { + + console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); + var temp = m; + m = index; + index = temp; + + } + + return this.fromArray( m.elements, index * 4 ); + + }, + + equals: function ( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + + return array; + + }, + + fromAttribute: function ( attribute, index, offset ) { + + if ( offset === undefined ) offset = 0; + + index = index * attribute.itemSize + offset; + + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; + + return this; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author jordi_ros / http://plattsoft.com + * @author D1plo1d / http://github.com/D1plo1d + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author timknip / http://www.floorplanner.com/ + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ + + function Matrix4() { + + this.elements = new Float32Array( [ + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ] ); + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); + + } + + } + + Matrix4.prototype = { + + constructor: Matrix4, + + isMatrix4: true, + + set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + + var te = this.elements; + + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + + return this; + + }, + + identity: function () { + + this.set( + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + clone: function () { + + return new Matrix4().fromArray( this.elements ); + + }, + + copy: function ( m ) { + + this.elements.set( m.elements ); + + return this; + + }, + + copyPosition: function ( m ) { + + var te = this.elements; + var me = m.elements; + + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; + + return this; + + }, + + extractBasis: function ( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); + + return this; + + }, + + makeBasis: function ( xAxis, yAxis, zAxis ) { + + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); + + return this; + + }, + + extractRotation: function () { + + var v1; + + return function extractRotation( m ) { + + if ( v1 === undefined ) v1 = new Vector3(); + + var te = this.elements; + var me = m.elements; + + var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length(); + var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length(); + var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length(); + + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; + + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + + return this; + + }; + + }(), + + makeRotationFromEuler: function ( euler ) { + + if ( (euler && euler.isEuler) === false ) { + + console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); + + } + + var te = this.elements; + + var x = euler.x, y = euler.y, z = euler.z; + var a = Math.cos( x ), b = Math.sin( x ); + var c = Math.cos( y ), d = Math.sin( y ); + var e = Math.cos( z ), f = Math.sin( z ); + + if ( euler.order === 'XYZ' ) { + + var ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; + + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; + + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YXZ' ) { + + var ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; + + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; + + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZXY' ) { + + var ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; + + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; + + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZYX' ) { + + var ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; + + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; + + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YZX' ) { + + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; + + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; + + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; + + } else if ( euler.order === 'XZY' ) { + + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; + + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; + + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; + + } + + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + makeRotationFromQuaternion: function ( q ) { + + var te = this.elements; + + var x = q.x, y = q.y, z = q.z, w = q.w; + var x2 = x + x, y2 = y + y, z2 = z + z; + var xx = x * x2, xy = x * y2, xz = x * z2; + var yy = y * y2, yz = y * z2, zz = z * z2; + var wx = w * x2, wy = w * y2, wz = w * z2; + + te[ 0 ] = 1 - ( yy + zz ); + te[ 4 ] = xy - wz; + te[ 8 ] = xz + wy; + + te[ 1 ] = xy + wz; + te[ 5 ] = 1 - ( xx + zz ); + te[ 9 ] = yz - wx; + + te[ 2 ] = xz - wy; + te[ 6 ] = yz + wx; + te[ 10 ] = 1 - ( xx + yy ); + + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + }, + + lookAt: function () { + + var x, y, z; + + return function lookAt( eye, target, up ) { + + if ( x === undefined ) { + + x = new Vector3(); + y = new Vector3(); + z = new Vector3(); + + } + + var te = this.elements; + + z.subVectors( eye, target ).normalize(); + + if ( z.lengthSq() === 0 ) { + + z.z = 1; + + } + + x.crossVectors( up, z ).normalize(); + + if ( x.lengthSq() === 0 ) { + + z.z += 0.0001; + x.crossVectors( up, z ).normalize(); + + } + + y.crossVectors( z, x ); + + + te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x; + te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y; + te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z; + + return this; + + }; + + }(), + + multiply: function ( m, n ) { + + if ( n !== undefined ) { + + console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); + return this.multiplyMatrices( m, n ); + + } + + return this.multiplyMatrices( this, m ); + + }, + + premultiply: function ( m ) { + + return this.multiplyMatrices( m, this ); + + }, + + multiplyMatrices: function ( a, b ) { + + var ae = a.elements; + var be = b.elements; + var te = this.elements; + + var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + + var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + + return this; + + }, + + multiplyToArray: function ( a, b, r ) { + + var te = this.elements; + + this.multiplyMatrices( a, b ); + + r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; + r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; + r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; + r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; + + return this; + + }, + + multiplyScalar: function ( s ) { + + var te = this.elements; + + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + + return this; + + }, + + applyToVector3Array: function () { + + var v1; + + return function applyToVector3Array( array, offset, length ) { + + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; + + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { + + v1.fromArray( array, j ); + v1.applyMatrix4( this ); + v1.toArray( array, j ); + + } + + return array; + + }; + + }(), + + applyToBuffer: function () { + + var v1; + + return function applyToBuffer( buffer, offset, length ) { + + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; + + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); + + v1.applyMatrix4( this ); + + buffer.setXYZ( j, v1.x, v1.y, v1.z ); + + } + + return buffer; + + }; + + }(), + + determinant: function () { + + var te = this.elements; + + var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + + ); + + }, + + transpose: function () { + + var te = this.elements; + var tmp; + + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + + return this; + + }, + + flattenToArrayOffset: function ( array, offset ) { + + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); + + return this.toArray( array, offset ); + + }, + + getPosition: function () { + + var v1; + + return function getPosition() { + + if ( v1 === undefined ) v1 = new Vector3(); + console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); + + return v1.setFromMatrixColumn( this, 3 ); + + }; + + }(), + + setPosition: function ( v ) { + + var te = this.elements; + + te[ 12 ] = v.x; + te[ 13 ] = v.y; + te[ 14 ] = v.z; + + return this; + + }, + + getInverse: function ( m, throwOnDegenerate ) { + + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + var te = this.elements, + me = m.elements, + + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], + n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], + n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], + n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], + + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + + var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + + if ( det === 0 ) { + + var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0"; + + if ( throwOnDegenerate === true ) { + + throw new Error( msg ); + + } else { + + console.warn( msg ); + + } + + return this.identity(); + + } + + var detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + + return this; + + }, + + scale: function ( v ) { + + var te = this.elements; + var x = v.x, y = v.y, z = v.z; + + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + + return this; + + }, + + getMaxScaleOnAxis: function () { + + var te = this.elements; + + var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + + }, + + makeTranslation: function ( x, y, z ) { + + this.set( + + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationX: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationY: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationZ: function ( theta ) { + + var c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeRotationAxis: function ( axis, angle ) { + + // Based on http://www.gamedev.net/reference/articles/article1199.asp + + var c = Math.cos( angle ); + var s = Math.sin( angle ); + var t = 1 - c; + var x = axis.x, y = axis.y, z = axis.z; + var tx = t * x, ty = t * y; + + this.set( + + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + makeScale: function ( x, y, z ) { + + this.set( + + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 + + ); + + return this; + + }, + + compose: function ( position, quaternion, scale ) { + + this.makeRotationFromQuaternion( quaternion ); + this.scale( scale ); + this.setPosition( position ); + + return this; + + }, + + decompose: function () { + + var vector, matrix; + + return function decompose( position, quaternion, scale ) { + + if ( vector === undefined ) { + + vector = new Vector3(); + matrix = new Matrix4(); + + } + + var te = this.elements; + + var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + + // if determine is negative, we need to invert one scale + var det = this.determinant(); + if ( det < 0 ) { + + sx = - sx; + + } + + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; + + // scale the rotation part + + matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() + + var invSX = 1 / sx; + var invSY = 1 / sy; + var invSZ = 1 / sz; + + matrix.elements[ 0 ] *= invSX; + matrix.elements[ 1 ] *= invSX; + matrix.elements[ 2 ] *= invSX; + + matrix.elements[ 4 ] *= invSY; + matrix.elements[ 5 ] *= invSY; + matrix.elements[ 6 ] *= invSY; + + matrix.elements[ 8 ] *= invSZ; + matrix.elements[ 9 ] *= invSZ; + matrix.elements[ 10 ] *= invSZ; + + quaternion.setFromRotationMatrix( matrix ); + + scale.x = sx; + scale.y = sy; + scale.z = sz; + + return this; + + }; + + }(), + + makeFrustum: function ( left, right, bottom, top, near, far ) { + + var te = this.elements; + var x = 2 * near / ( right - left ); + var y = 2 * near / ( top - bottom ); + + var a = ( right + left ) / ( right - left ); + var b = ( top + bottom ) / ( top - bottom ); + var c = - ( far + near ) / ( far - near ); + var d = - 2 * far * near / ( far - near ); + + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + + return this; + + }, + + makePerspective: function ( fov, aspect, near, far ) { + + var ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 ); + var ymin = - ymax; + var xmin = ymin * aspect; + var xmax = ymax * aspect; + + return this.makeFrustum( xmin, xmax, ymin, ymax, near, far ); + + }, + + makeOrthographic: function ( left, right, top, bottom, near, far ) { + + var te = this.elements; + var w = 1.0 / ( right - left ); + var h = 1.0 / ( top - bottom ); + var p = 1.0 / ( far - near ); + + var x = ( right + left ) * w; + var y = ( top + bottom ) * h; + var z = ( far + near ) * p; + + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + + return this; + + }, + + equals: function ( matrix ) { + + var te = this.elements; + var me = matrix.elements; + + for ( var i = 0; i < 16; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + for( var i = 0; i < 16; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; + + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; + + return array; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + + Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.flipY = false; + + } + + CubeTexture.prototype = Object.create( Texture.prototype ); + CubeTexture.prototype.constructor = CubeTexture; + + CubeTexture.prototype.isCubeTexture = true; + + Object.defineProperty( CubeTexture.prototype, 'images', { + + get: function () { + + return this.image; + + }, + + set: function ( value ) { + + this.image = value; + + } + + } ); + + /** + * @author tschw + * + * Uniforms of a program. + * Those form a tree structure with a special top-level container for the root, + * which you get by calling 'new WebGLUniforms( gl, program, renderer )'. + * + * + * Properties of inner nodes including the top-level container: + * + * .seq - array of nested uniforms + * .map - nested uniforms by name + * + * + * Methods of all nodes except the top-level container: + * + * .setValue( gl, value, [renderer] ) + * + * uploads a uniform value(s) + * the 'renderer' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (renderer factorizations): + * + * .upload( gl, seq, values, renderer ) + * + * sets uniforms in 'seq' to 'values[id].value' + * + * .seqWithValue( seq, values ) : filteredSeq + * + * filters 'seq' entries with corresponding entry in values + * + * + * Methods of the top-level container (renderer factorizations): + * + * .setValue( gl, name, value ) + * + * sets uniform with name 'name' to 'value' + * + * .set( gl, obj, prop ) + * + * sets uniform from object and property with same name than uniform + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ + + var emptyTexture = new Texture(); + var emptyCubeTexture = new CubeTexture(); + + // --- Base for inner nodes (including the root) --- + + function UniformContainer() { + + this.seq = []; + this.map = {}; + + } + + // --- Utilities --- + + // Array Caches (provide typed arrays for temporary by size) + + var arrayCacheF32 = []; + var arrayCacheI32 = []; + + // Flattening for arrays of vectors and matrices + + function flatten( array, nBlocks, blockSize ) { + + var firstElem = array[ 0 ]; + + if ( firstElem <= 0 || firstElem > 0 ) return array; + // unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 + + var n = nBlocks * blockSize, + r = arrayCacheF32[ n ]; + + if ( r === undefined ) { + + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; + + } + + if ( nBlocks !== 0 ) { + + firstElem.toArray( r, 0 ); + + for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { + + offset += blockSize; + array[ i ].toArray( r, offset ); + + } + + } + + return r; + + } + + // Texture unit allocation + + function allocTexUnits( renderer, n ) { + + var r = arrayCacheI32[ n ]; + + if ( r === undefined ) { + + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; + + } + + for ( var i = 0; i !== n; ++ i ) + r[ i ] = renderer.allocTextureUnit(); + + return r; + + } + + // --- Setters --- + + // Note: Defining these methods externally, because they come in a bunch + // and this way their names minify. + + // Single scalar + + function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } + function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } + + // Single float vector (from flat array or THREE.VectorN) + + function setValue2fv( gl, v ) { + + if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); + else gl.uniform2f( this.addr, v.x, v.y ); + + } + + function setValue3fv( gl, v ) { + + if ( v.x !== undefined ) + gl.uniform3f( this.addr, v.x, v.y, v.z ); + else if ( v.r !== undefined ) + gl.uniform3f( this.addr, v.r, v.g, v.b ); + else + gl.uniform3fv( this.addr, v ); + + } + + function setValue4fv( gl, v ) { + + if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); + else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + + } + + // Single matrix (from flat array or MatrixN) + + function setValue2fm( gl, v ) { + + gl.uniformMatrix2fv( this.addr, false, v.elements || v ); + + } + + function setValue3fm( gl, v ) { + + gl.uniformMatrix3fv( this.addr, false, v.elements || v ); + + } + + function setValue4fm( gl, v ) { + + gl.uniformMatrix4fv( this.addr, false, v.elements || v ); + + } + + // Single texture (2D / Cube) + + function setValueT1( gl, v, renderer ) { + + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTexture2D( v || emptyTexture, unit ); + + } + + function setValueT6( gl, v, renderer ) { + + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTextureCube( v || emptyCubeTexture, unit ); + + } + + // Integer / Boolean vectors or arrays thereof (always flat arrays) + + function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } + function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } + function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } + + // Helper to pick the right setter for the singular case + + function getSingularSetter( type ) { + + switch ( type ) { + + case 0x1406: return setValue1f; // FLOAT + case 0x8b50: return setValue2fv; // _VEC2 + case 0x8b51: return setValue3fv; // _VEC3 + case 0x8b52: return setValue4fv; // _VEC4 + + case 0x8b5a: return setValue2fm; // _MAT2 + case 0x8b5b: return setValue3fm; // _MAT3 + case 0x8b5c: return setValue4fm; // _MAT4 + + case 0x8b5e: return setValueT1; // SAMPLER_2D + case 0x8b60: return setValueT6; // SAMPLER_CUBE + + case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + + } + + } + + // Array of scalars + + function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } + function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } + + // Array of vectors (flat or from THREE classes) + + function setValueV2a( gl, v ) { + + gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); + + } + + function setValueV3a( gl, v ) { + + gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); + + } + + function setValueV4a( gl, v ) { + + gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); + + } + + // Array of matrices (flat or from THREE clases) + + function setValueM2a( gl, v ) { + + gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); + + } + + function setValueM3a( gl, v ) { + + gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); + + } + + function setValueM4a( gl, v ) { + + gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); + + } + + // Array of textures (2D / Cube) + + function setValueT1a( gl, v, renderer ) { + + var n = v.length, + units = allocTexUnits( renderer, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + + } + + } + + function setValueT6a( gl, v, renderer ) { + + var n = v.length, + units = allocTexUnits( renderer, n ); + + gl.uniform1iv( this.addr, units ); + + for ( var i = 0; i !== n; ++ i ) { + + renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + + } + + } + + // Helper to pick the right setter for a pure (bottom-level) array + + function getPureArraySetter( type ) { + + switch ( type ) { + + case 0x1406: return setValue1fv; // FLOAT + case 0x8b50: return setValueV2a; // _VEC2 + case 0x8b51: return setValueV3a; // _VEC3 + case 0x8b52: return setValueV4a; // _VEC4 + + case 0x8b5a: return setValueM2a; // _MAT2 + case 0x8b5b: return setValueM3a; // _MAT3 + case 0x8b5c: return setValueM4a; // _MAT4 + + case 0x8b5e: return setValueT1a; // SAMPLER_2D + case 0x8b60: return setValueT6a; // SAMPLER_CUBE + + case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + + } + + } + + // --- Uniform Classes --- + + function SingleUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.setValue = getSingularSetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + + } + + function PureArrayUniform( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + + } + + function StructuredUniform( id ) { + + this.id = id; + + UniformContainer.call( this ); // mix-in + + } + + StructuredUniform.prototype.setValue = function( gl, value ) { + + // Note: Don't need an extra 'renderer' parameter, since samplers + // are not allowed in structured uniforms. + + var seq = this.seq; + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ]; + u.setValue( gl, value[ u.id ] ); + + } + + }; + + // --- Top-level --- + + // Parser - builds up the property tree from the path strings + + var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; + + // extracts + // - the identifier (member name or array index) + // - followed by an optional right bracket (found when array index) + // - followed by an optional left bracket or dot (type of subscript) + // + // Note: These portions can be read in a non-overlapping fashion and + // allow straightforward parsing of the hierarchy that WebGL encodes + // in the uniform names. + + function addUniform( container, uniformObject ) { + + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; + + } + + function parseUniform( activeInfo, addr, container ) { + + var path = activeInfo.name, + pathLength = path.length; + + // reset RegExp object, because of the early exit of a previous run + RePathPart.lastIndex = 0; + + for (; ;) { + + var match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex, + + id = match[ 1 ], + idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; + + if ( idIsIndex ) id = id | 0; // convert to integer + + if ( subscript === undefined || + subscript === '[' && matchEnd + 2 === pathLength ) { + // bare name or "pure" bottom-level array "[0]" suffix + + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); + + break; + + } else { + // step into inner node / create it in case it doesn't exist + + var map = container.map, + next = map[ id ]; + + if ( next === undefined ) { + + next = new StructuredUniform( id ); + addUniform( container, next ); + + } + + container = next; + + } + + } + + } + + // Root Container + + function WebGLUniforms( gl, program, renderer ) { + + UniformContainer.call( this ); + + this.renderer = renderer; + + var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); + + for ( var i = 0; i !== n; ++ i ) { + + var info = gl.getActiveUniform( program, i ), + path = info.name, + addr = gl.getUniformLocation( program, path ); + + parseUniform( info, addr, this ); + + } + + } + + WebGLUniforms.prototype.setValue = function( gl, name, value ) { + + var u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, value, this.renderer ); + + }; + + WebGLUniforms.prototype.set = function( gl, object, name ) { + + var u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); + + }; + + WebGLUniforms.prototype.setOptional = function( gl, object, name ) { + + var v = object[ name ]; + + if ( v !== undefined ) this.setValue( gl, name, v ); + + }; + + + // Static interface + + WebGLUniforms.upload = function( gl, seq, values, renderer ) { + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ], + v = values[ u.id ]; + + if ( v.needsUpdate !== false ) { + // note: always updating when .needsUpdate is undefined + + u.setValue( gl, v.value, renderer ); + + } + + } + + }; + + WebGLUniforms.seqWithValue = function( seq, values ) { + + var r = []; + + for ( var i = 0, n = seq.length; i !== n; ++ i ) { + + var u = seq[ i ]; + if ( u.id in values ) r.push( u ); + + } + + return r; + + }; + + /** + * Uniform Utilities + */ + + var UniformsUtils = { + + merge: function ( uniforms ) { + + var merged = {}; + + for ( var u = 0; u < uniforms.length; u ++ ) { + + var tmp = this.clone( uniforms[ u ] ); + + for ( var p in tmp ) { + + merged[ p ] = tmp[ p ]; + + } + + } + + return merged; + + }, + + clone: function ( uniforms_src ) { + + var uniforms_dst = {}; + + for ( var u in uniforms_src ) { + + uniforms_dst[ u ] = {}; + + for ( var p in uniforms_src[ u ] ) { + + var parameter_src = uniforms_src[ u ][ p ]; + + if ( parameter_src && ( parameter_src.isColor || + parameter_src.isMatrix3 || parameter_src.isMatrix4 || + parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || + parameter_src.isTexture ) ) { + + uniforms_dst[ u ][ p ] = parameter_src.clone(); + + } else if ( Array.isArray( parameter_src ) ) { + + uniforms_dst[ u ][ p ] = parameter_src.slice(); + + } else { + + uniforms_dst[ u ][ p ] = parameter_src; + + } + + } + + } + + return uniforms_dst; + + } + + }; + + var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; + + var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; + + var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; + + var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; + + var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + + var begin_vertex = "\nvec3 transformed = vec3( position );\n"; + + var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; + + var bsdfs = "bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\n\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n"; + + var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; + + var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; + + var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; + + var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; + + var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; + + var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; + + var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n"; + + var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; + + var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; + + var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\n"; + + var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; + + var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; + + var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; + + var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; + + var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; + + var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; + + var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; + + var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n float maxComponent = max( max( value.r, value.g ), value.b );\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n M = ceil( M * 255.0 ) / 255.0;\n return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float D = max( maxRange / maxRGB, 1.0 );\n D = min( floor( D ) / 255.0, 1.0 );\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n vec4 vResult;\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n vResult.w = fract(Le);\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n float Le = value.z * 255.0 + value.w;\n vec3 Xp_Y_XYZp;\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n return vec4( max(vRGB, 0.0), 1.0 );\n}\n"; + + var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n"; + + var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; + + var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; + + var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n"; + + var fog_fragment = "#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n"; + + var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + + var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; + + var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + + var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; + + var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\n\t\t\tdirectLight.color = pointLight.color;\n\t\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#include \n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#include \n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n"; + + var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; + + var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; + + var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; + + var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n"; + + var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t \tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\t\t\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; + + var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; + + var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; + + var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; + + var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; + + var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; + + var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; + + var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; + + var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; + + var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; + + var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + + var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; + + var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; + + var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; + + var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; + + var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; + + var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; + + var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 1.0 - 2.0 * rgb.xyz;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n"; + + var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; + + var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; + + var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; + + var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + + var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n"; + + var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; + + var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; + + var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n"; + + var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + + var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n"; + + var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\tskinned = bindMatrixInverse * skinned;\n#endif\n"; + + var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n"; + + var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + + var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + + var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; + + var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n"; + + var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; + + var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; + + var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif"; + + var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; + + var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; + + var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; + + var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; + + var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; + + var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + + var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; + + var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; + + var distanceRGBA_vert = "varying vec4 vWorldPosition;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition;\n}\n"; + + var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; + + var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + + var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n}\n"; + + var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\t#include \n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}\n"; + + var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nuniform float envMapIntensity;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n}\n"; + + var normal_frag = "uniform float opacity;\nvarying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\n\t#include \n}\n"; + + var normal_vert = "varying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\tvNormal = normalize( normalMatrix * normal );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; + + var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + + var ShaderChunk = { + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + encodings_fragment: encodings_fragment, + encodings_pars_fragment: encodings_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_vertex: envmap_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + lightmap_fragment: lightmap_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_vertex: lights_lambert_vertex, + lights_pars: lights_pars, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_template: lights_template, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_flip: normal_flip, + normal_fragment: normal_fragment, + normalmap_pars_fragment: normalmap_pars_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + uv2_pars_fragment: uv2_pars_fragment, + uv2_pars_vertex: uv2_pars_vertex, + uv2_vertex: uv2_vertex, + worldpos_vertex: worldpos_vertex, + + cube_frag: cube_frag, + cube_vert: cube_vert, + depth_frag: depth_frag, + depth_vert: depth_vert, + distanceRGBA_frag: distanceRGBA_frag, + distanceRGBA_vert: distanceRGBA_vert, + equirect_frag: equirect_frag, + equirect_vert: equirect_vert, + linedashed_frag: linedashed_frag, + linedashed_vert: linedashed_vert, + meshbasic_frag: meshbasic_frag, + meshbasic_vert: meshbasic_vert, + meshlambert_frag: meshlambert_frag, + meshlambert_vert: meshlambert_vert, + meshphong_frag: meshphong_frag, + meshphong_vert: meshphong_vert, + meshphysical_frag: meshphysical_frag, + meshphysical_vert: meshphysical_vert, + normal_frag: normal_frag, + normal_vert: normal_vert, + points_frag: points_frag, + points_vert: points_vert, + shadow_frag: shadow_frag, + shadow_vert: shadow_vert + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Color( r, g, b ) { + + if ( g === undefined && b === undefined ) { + + // r is THREE.Color, hex or string + return this.set( r ); + + } + + return this.setRGB( r, g, b ); + + } + + Color.prototype = { + + constructor: Color, + + isColor: true, + + r: 1, g: 1, b: 1, + + set: function ( value ) { + + if ( (value && value.isColor) ) { + + this.copy( value ); + + } else if ( typeof value === 'number' ) { + + this.setHex( value ); + + } else if ( typeof value === 'string' ) { + + this.setStyle( value ); + + } + + return this; + + }, + + setScalar: function ( scalar ) { + + this.r = scalar; + this.g = scalar; + this.b = scalar; + + return this; + + }, + + setHex: function ( hex ) { + + hex = Math.floor( hex ); + + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; + + return this; + + }, + + setRGB: function ( r, g, b ) { + + this.r = r; + this.g = g; + this.b = b; + + return this; + + }, + + setHSL: function () { + + function hue2rgb( p, q, t ) { + + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; + + } + + return function setHSL( h, s, l ) { + + // h,s,l ranges are in 0.0 - 1.0 + h = _Math.euclideanModulo( h, 1 ); + s = _Math.clamp( s, 0, 1 ); + l = _Math.clamp( l, 0, 1 ); + + if ( s === 0 ) { + + this.r = this.g = this.b = l; + + } else { + + var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + var q = ( 2 * l ) - p; + + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); + + } + + return this; + + }; + + }(), + + setStyle: function ( style ) { + + function handleAlpha( string ) { + + if ( string === undefined ) return; + + if ( parseFloat( string ) < 1 ) { + + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + + } + + } + + + var m; + + if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { + + // rgb / hsl + + var color; + var name = m[ 1 ]; + var components = m[ 2 ]; + + switch ( name ) { + + case 'rgb': + case 'rgba': + + if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // rgb(255,0,0) rgba(255,0,0,0.5) + this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; + this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; + this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; + + handleAlpha( color[ 5 ] ); + + return this; + + } + + if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; + this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; + this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + + handleAlpha( color[ 5 ] ); + + return this; + + } + + break; + + case 'hsl': + case 'hsla': + + if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + var h = parseFloat( color[ 1 ] ) / 360; + var s = parseInt( color[ 2 ], 10 ) / 100; + var l = parseInt( color[ 3 ], 10 ) / 100; + + handleAlpha( color[ 5 ] ); + + return this.setHSL( h, s, l ); + + } + + break; + + } + + } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { + + // hex color + + var hex = m[ 1 ]; + var size = hex.length; + + if ( size === 3 ) { + + // #ff0 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + + return this; + + } else if ( size === 6 ) { + + // #ff0000 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + + return this; + + } + + } + + if ( style && style.length > 0 ) { + + // color keywords + var hex = ColorKeywords[ style ]; + + if ( hex !== undefined ) { + + // red + this.setHex( hex ); + + } else { + + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); + + } + + } + + return this; + + }, + + clone: function () { + + return new this.constructor( this.r, this.g, this.b ); + + }, + + copy: function ( color ) { + + this.r = color.r; + this.g = color.g; + this.b = color.b; + + return this; + + }, + + copyGammaToLinear: function ( color, gammaFactor ) { + + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + this.r = Math.pow( color.r, gammaFactor ); + this.g = Math.pow( color.g, gammaFactor ); + this.b = Math.pow( color.b, gammaFactor ); + + return this; + + }, + + copyLinearToGamma: function ( color, gammaFactor ) { + + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; + + this.r = Math.pow( color.r, safeInverse ); + this.g = Math.pow( color.g, safeInverse ); + this.b = Math.pow( color.b, safeInverse ); + + return this; + + }, + + convertGammaToLinear: function () { + + var r = this.r, g = this.g, b = this.b; + + this.r = r * r; + this.g = g * g; + this.b = b * b; + + return this; + + }, + + convertLinearToGamma: function () { + + this.r = Math.sqrt( this.r ); + this.g = Math.sqrt( this.g ); + this.b = Math.sqrt( this.b ); + + return this; + + }, + + getHex: function () { + + return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; + + }, + + getHexString: function () { + + return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); + + }, + + getHSL: function ( optionalTarget ) { + + // h,s,l ranges are in 0.0 - 1.0 + + var hsl = optionalTarget || { h: 0, s: 0, l: 0 }; + + var r = this.r, g = this.g, b = this.b; + + var max = Math.max( r, g, b ); + var min = Math.min( r, g, b ); + + var hue, saturation; + var lightness = ( min + max ) / 2.0; + + if ( min === max ) { + + hue = 0; + saturation = 0; + + } else { + + var delta = max - min; + + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + + switch ( max ) { + + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; + + } + + hue /= 6; + + } + + hsl.h = hue; + hsl.s = saturation; + hsl.l = lightness; + + return hsl; + + }, + + getStyle: function () { + + return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; + + }, + + offsetHSL: function ( h, s, l ) { + + var hsl = this.getHSL(); + + hsl.h += h; hsl.s += s; hsl.l += l; + + this.setHSL( hsl.h, hsl.s, hsl.l ); + + return this; + + }, + + add: function ( color ) { + + this.r += color.r; + this.g += color.g; + this.b += color.b; + + return this; + + }, + + addColors: function ( color1, color2 ) { + + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + + return this; + + }, + + addScalar: function ( s ) { + + this.r += s; + this.g += s; + this.b += s; + + return this; + + }, + + sub: function( color ) { + + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); + + return this; + + }, + + multiply: function ( color ) { + + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + + return this; + + }, + + multiplyScalar: function ( s ) { + + this.r *= s; + this.g *= s; + this.b *= s; + + return this; + + }, + + lerp: function ( color, alpha ) { + + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; + + return this; + + }, + + equals: function ( c ) { + + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; + + }, + + toJSON: function () { + + return this.getHex(); + + } + + }; + + var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + + /** + * Uniforms library for shared webgl shaders + */ + + var UniformsLib = { + + common: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, + + specularMap: { value: null }, + alphaMap: { value: null }, + + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, + refractionRatio: { value: 0.98 } + + }, + + aomap: { + + aoMap: { value: null }, + aoMapIntensity: { value: 1 } + + }, + + lightmap: { + + lightMap: { value: null }, + lightMapIntensity: { value: 1 } + + }, + + emissivemap: { + + emissiveMap: { value: null } + + }, + + bumpmap: { + + bumpMap: { value: null }, + bumpScale: { value: 1 } + + }, + + normalmap: { + + normalMap: { value: null }, + normalScale: { value: new Vector2( 1, 1 ) } + + }, + + displacementmap: { + + displacementMap: { value: null }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + + }, + + roughnessmap: { + + roughnessMap: { value: null } + + }, + + metalnessmap: { + + metalnessMap: { value: null } + + }, + + fog: { + + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: new Color( 0xffffff ) } + + }, + + lights: { + + ambientLightColor: { value: [] }, + + directionalLights: { value: [], properties: { + direction: {}, + color: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, + + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {}, + + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } } + + }, + + points: { + + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } + + } + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + */ + + var ShaderLib = { + + basic: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.fog + + ] ), + + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + + }, + + lambert: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.fog, + UniformsLib.lights, + + { + emissive : { value: new Color( 0x000000 ) } + } + + ] ), + + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + + }, + + phong: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + + { + emissive : { value: new Color( 0x000000 ) }, + specular : { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } + + ] ), + + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + + }, + + standard: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + + { + emissive : { value: new Color( 0x000000 ) }, + roughness: { value: 0.5 }, + metalness: { value: 0 }, + envMapIntensity : { value: 1 }, // temporary + } + + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + + }, + + points: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.points, + UniformsLib.fog + + ] ), + + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + + }, + + dashed: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.fog, + + { + scale : { value: 1 }, + dashSize : { value: 1 }, + totalSize: { value: 2 } + } + + ] ), + + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + + }, + + depth: { + + uniforms: UniformsUtils.merge( [ + + UniformsLib.common, + UniformsLib.displacementmap + + ] ), + + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + + }, + + normal: { + + uniforms: { + + opacity : { value: 1.0 } + + }, + + vertexShader: ShaderChunk.normal_vert, + fragmentShader: ShaderChunk.normal_frag + + }, + + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ + + cube: { + + uniforms: { + tCube: { value: null }, + tFlip: { value: - 1 }, + opacity: { value: 1.0 } + }, + + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + + }, + + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ + + equirect: { + + uniforms: { + tEquirect: { value: null }, + tFlip: { value: - 1 } + }, + + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + + }, + + distanceRGBA: { + + uniforms: { + + lightPos: { value: new Vector3() } + + }, + + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + + } + + }; + + ShaderLib.physical = { + + uniforms: UniformsUtils.merge( [ + + ShaderLib.standard.uniforms, + + { + clearCoat: { value: 0 }, + clearCoatRoughness: { value: 0 } + } + + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + + }; + + /** + * @author bhouston / http://clara.io + */ + + function Box2( min, max ) { + + this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); + + } + + Box2.prototype = { + + constructor: Box2, + + set: function ( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + }, + + setFromPoints: function ( points ) { + + this.makeEmpty(); + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + }, + + setFromCenterAndSize: function () { + + var v1 = new Vector2(); + + return function setFromCenterAndSize( center, size ) { + + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + }; + + }(), + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + }, + + makeEmpty: function () { + + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; + + return this; + + }, + + isEmpty: function () { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + + }, + + getCenter: function ( optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min ); + + }, + + expandByPoint: function ( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + }, + + expandByVector: function ( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + }, + + expandByScalar: function ( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + }, + + containsPoint: function ( point ) { + + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ) { + + return false; + + } + + return true; + + }, + + containsBox: function ( box ) { + + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) { + + return true; + + } + + return false; + + }, + + getParameter: function ( point, optionalTarget ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + var result = optionalTarget || new Vector2(); + + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); + + }, + + intersectsBox: function ( box ) { + + // using 6 splitting planes to rule out intersections. + + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ) { + + return false; + + } + + return true; + + }, + + clampPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector2(); + return result.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function () { + + var v1 = new Vector2(); + + return function distanceToPoint( point ) { + + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); + + }; + + }(), + + intersect: function ( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + return this; + + }, + + union: function ( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + }, + + translate: function ( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + }, + + equals: function ( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + + }; + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + + function LensFlarePlugin( renderer, flares ) { + + var gl = renderer.context; + var state = renderer.state; + + var vertexBuffer, elementBuffer; + var shader, program, attributes, uniforms; + + var tempTexture, occlusionTexture; + + function init() { + + var vertices = new Float32Array( [ + - 1, - 1, 0, 0, + 1, - 1, 1, 0, + 1, 1, 1, 1, + - 1, 1, 0, 1 + ] ); + + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); + + // buffers + + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + + // textures + + tempTexture = gl.createTexture(); + occlusionTexture = gl.createTexture(); + + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + + shader = { + + vertexShader: [ + + "uniform lowp int renderType;", + + "uniform vec3 screenPosition;", + "uniform vec2 scale;", + "uniform float rotation;", + + "uniform sampler2D occlusionMap;", + + "attribute vec2 position;", + "attribute vec2 uv;", + + "varying vec2 vUV;", + "varying float vVisibility;", + + "void main() {", + + "vUV = uv;", + + "vec2 pos = position;", + + "if ( renderType == 2 ) {", + + "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", + + "vVisibility = visibility.r / 9.0;", + "vVisibility *= 1.0 - visibility.g / 9.0;", + "vVisibility *= visibility.b / 9.0;", + "vVisibility *= 1.0 - visibility.a / 9.0;", + + "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", + "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", + + "}", + + "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", + + "}" + + ].join( "\n" ), + + fragmentShader: [ + + "uniform lowp int renderType;", + + "uniform sampler2D map;", + "uniform float opacity;", + "uniform vec3 color;", + + "varying vec2 vUV;", + "varying float vVisibility;", + + "void main() {", + + // pink square + + "if ( renderType == 0 ) {", + + "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", + + // restore + + "} else if ( renderType == 1 ) {", + + "gl_FragColor = texture2D( map, vUV );", + + // flare + + "} else {", + + "vec4 texture = texture2D( map, vUV );", + "texture.a *= opacity * vVisibility;", + "gl_FragColor = texture;", + "gl_FragColor.rgb *= color;", + + "}", + + "}" + + ].join( "\n" ) + + }; + + program = createProgram( shader ); + + attributes = { + vertex: gl.getAttribLocation ( program, "position" ), + uv: gl.getAttribLocation ( program, "uv" ) + }; + + uniforms = { + renderType: gl.getUniformLocation( program, "renderType" ), + map: gl.getUniformLocation( program, "map" ), + occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), + opacity: gl.getUniformLocation( program, "opacity" ), + color: gl.getUniformLocation( program, "color" ), + scale: gl.getUniformLocation( program, "scale" ), + rotation: gl.getUniformLocation( program, "rotation" ), + screenPosition: gl.getUniformLocation( program, "screenPosition" ) + }; + + } + + /* + * Render lens flares + * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, + * reads these back and calculates occlusion. + */ + + this.render = function ( scene, camera, viewport ) { + + if ( flares.length === 0 ) return; + + var tempPosition = new Vector3(); + + var invAspect = viewport.w / viewport.z, + halfViewportWidth = viewport.z * 0.5, + halfViewportHeight = viewport.w * 0.5; + + var size = 16 / viewport.w, + scale = new Vector2( size * invAspect, size ); + + var screenPosition = new Vector3( 1, 1, 0 ), + screenPositionPixels = new Vector2( 1, 1 ); + + var validArea = new Box2(); + + validArea.min.set( viewport.x, viewport.y ); + validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); + + if ( program === undefined ) { + + init(); + + } + + gl.useProgram( program ); + + state.initAttributes(); + state.enableAttribute( attributes.vertex ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); + + // loop through all lens flares to update their occlusion and positions + // setup gl and common used attribs/uniforms + + gl.uniform1i( uniforms.occlusionMap, 0 ); + gl.uniform1i( uniforms.map, 1 ); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + + state.disable( gl.CULL_FACE ); + state.setDepthWrite( false ); + + for ( var i = 0, l = flares.length; i < l; i ++ ) { + + size = 16 / viewport.w; + scale.set( size * invAspect, size ); + + // calc object screen position + + var flare = flares[ i ]; + + tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); + + tempPosition.applyMatrix4( camera.matrixWorldInverse ); + tempPosition.applyProjection( camera.projectionMatrix ); + + // setup arrays for gl programs + + screenPosition.copy( tempPosition ); + + // horizontal and vertical coordinate of the lower left corner of the pixels to copy + + screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; + screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; + + // screen cull + + if ( validArea.containsPoint( screenPositionPixels ) === true ) { + + // save current RGB to temp texture + + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, null ); + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + + + // render pink quad + + gl.uniform1i( uniforms.renderType, 0 ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + + state.disable( gl.BLEND ); + state.enable( gl.DEPTH_TEST ); + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + + // copy result to occlusionMap + + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + + + // restore graphics + + gl.uniform1i( uniforms.renderType, 1 ); + state.disable( gl.DEPTH_TEST ); + + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + + // update object positions + + flare.positionScreen.copy( screenPosition ); + + if ( flare.customUpdateCallback ) { + + flare.customUpdateCallback( flare ); + + } else { + + flare.updateLensFlares(); + + } + + // render flares + + gl.uniform1i( uniforms.renderType, 2 ); + state.enable( gl.BLEND ); + + for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { + + var sprite = flare.lensFlares[ j ]; + + if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { + + screenPosition.x = sprite.x; + screenPosition.y = sprite.y; + screenPosition.z = sprite.z; + + size = sprite.size * sprite.scale / viewport.w; + + scale.x = size * invAspect; + scale.y = size; + + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform1f( uniforms.rotation, sprite.rotation ); + + gl.uniform1f( uniforms.opacity, sprite.opacity ); + gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); + + state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); + renderer.setTexture2D( sprite.texture, 1 ); + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + } + + } + + } + + } + + // restore gl + + state.enable( gl.CULL_FACE ); + state.enable( gl.DEPTH_TEST ); + state.setDepthWrite( true ); + + renderer.resetGLState(); + + }; + + function createProgram( shader ) { + + var program = gl.createProgram(); + + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + + var prefix = "precision " + renderer.getPrecision() + " float;\n"; + + gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); + gl.shaderSource( vertexShader, prefix + shader.vertexShader ); + + gl.compileShader( fragmentShader ); + gl.compileShader( vertexShader ); + + gl.attachShader( program, fragmentShader ); + gl.attachShader( program, vertexShader ); + + gl.linkProgram( program ); + + return program; + + } + + } + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + + function SpritePlugin( renderer, sprites ) { + + var gl = renderer.context; + var state = renderer.state; + + var vertexBuffer, elementBuffer; + var program, attributes, uniforms; + + var texture; + + // decompose matrixWorld + + var spritePosition = new Vector3(); + var spriteRotation = new Quaternion(); + var spriteScale = new Vector3(); + + function init() { + + var vertices = new Float32Array( [ + - 0.5, - 0.5, 0, 0, + 0.5, - 0.5, 1, 0, + 0.5, 0.5, 1, 1, + - 0.5, 0.5, 0, 1 + ] ); + + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); + + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + + program = createProgram(); + + attributes = { + position: gl.getAttribLocation ( program, 'position' ), + uv: gl.getAttribLocation ( program, 'uv' ) + }; + + uniforms = { + uvOffset: gl.getUniformLocation( program, 'uvOffset' ), + uvScale: gl.getUniformLocation( program, 'uvScale' ), + + rotation: gl.getUniformLocation( program, 'rotation' ), + scale: gl.getUniformLocation( program, 'scale' ), + + color: gl.getUniformLocation( program, 'color' ), + map: gl.getUniformLocation( program, 'map' ), + opacity: gl.getUniformLocation( program, 'opacity' ), + + modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), + projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), + + fogType: gl.getUniformLocation( program, 'fogType' ), + fogDensity: gl.getUniformLocation( program, 'fogDensity' ), + fogNear: gl.getUniformLocation( program, 'fogNear' ), + fogFar: gl.getUniformLocation( program, 'fogFar' ), + fogColor: gl.getUniformLocation( program, 'fogColor' ), + + alphaTest: gl.getUniformLocation( program, 'alphaTest' ) + }; + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = 8; + canvas.height = 8; + + var context = canvas.getContext( '2d' ); + context.fillStyle = 'white'; + context.fillRect( 0, 0, 8, 8 ); + + texture = new Texture( canvas ); + texture.needsUpdate = true; + + } + + this.render = function ( scene, camera ) { + + if ( sprites.length === 0 ) return; + + // setup gl + + if ( program === undefined ) { + + init(); + + } + + gl.useProgram( program ); + + state.initAttributes(); + state.enableAttribute( attributes.position ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); + + state.disable( gl.CULL_FACE ); + state.enable( gl.BLEND ); + + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + + gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); + + state.activeTexture( gl.TEXTURE0 ); + gl.uniform1i( uniforms.map, 0 ); + + var oldFogType = 0; + var sceneFogType = 0; + var fog = scene.fog; + + if ( fog ) { + + gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); + + if ( (fog && fog.isFog) ) { + + gl.uniform1f( uniforms.fogNear, fog.near ); + gl.uniform1f( uniforms.fogFar, fog.far ); + + gl.uniform1i( uniforms.fogType, 1 ); + oldFogType = 1; + sceneFogType = 1; + + } else if ( (fog && fog.isFogExp2) ) { + + gl.uniform1f( uniforms.fogDensity, fog.density ); + + gl.uniform1i( uniforms.fogType, 2 ); + oldFogType = 2; + sceneFogType = 2; + + } + + } else { + + gl.uniform1i( uniforms.fogType, 0 ); + oldFogType = 0; + sceneFogType = 0; + + } + + + // update positions and sort + + for ( var i = 0, l = sprites.length; i < l; i ++ ) { + + var sprite = sprites[ i ]; + + sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); + sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; + + } + + sprites.sort( painterSortStable ); + + // render all sprites + + var scale = []; + + for ( var i = 0, l = sprites.length; i < l; i ++ ) { + + var sprite = sprites[ i ]; + var material = sprite.material; + + if ( material.visible === false ) continue; + + gl.uniform1f( uniforms.alphaTest, material.alphaTest ); + gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); + + sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); + + scale[ 0 ] = spriteScale.x; + scale[ 1 ] = spriteScale.y; + + var fogType = 0; + + if ( scene.fog && material.fog ) { + + fogType = sceneFogType; + + } + + if ( oldFogType !== fogType ) { + + gl.uniform1i( uniforms.fogType, fogType ); + oldFogType = fogType; + + } + + if ( material.map !== null ) { + + gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); + gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); + + } else { + + gl.uniform2f( uniforms.uvOffset, 0, 0 ); + gl.uniform2f( uniforms.uvScale, 1, 1 ); + + } + + gl.uniform1f( uniforms.opacity, material.opacity ); + gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); + + gl.uniform1f( uniforms.rotation, material.rotation ); + gl.uniform2fv( uniforms.scale, scale ); + + state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + + if ( material.map ) { + + renderer.setTexture2D( material.map, 0 ); + + } else { + + renderer.setTexture2D( texture, 0 ); + + } + + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + + } + + // restore gl + + state.enable( gl.CULL_FACE ); + + renderer.resetGLState(); + + }; + + function createProgram() { + + var program = gl.createProgram(); + + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + + gl.shaderSource( vertexShader, [ + + 'precision ' + renderer.getPrecision() + ' float;', + + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform float rotation;', + 'uniform vec2 scale;', + 'uniform vec2 uvOffset;', + 'uniform vec2 uvScale;', + + 'attribute vec2 position;', + 'attribute vec2 uv;', + + 'varying vec2 vUV;', + + 'void main() {', + + 'vUV = uvOffset + uv * uvScale;', + + 'vec2 alignedPosition = position * scale;', + + 'vec2 rotatedPosition;', + 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', + 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', + + 'vec4 finalPosition;', + + 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', + 'finalPosition.xy += rotatedPosition;', + 'finalPosition = projectionMatrix * finalPosition;', + + 'gl_Position = finalPosition;', + + '}' + + ].join( '\n' ) ); + + gl.shaderSource( fragmentShader, [ + + 'precision ' + renderer.getPrecision() + ' float;', + + 'uniform vec3 color;', + 'uniform sampler2D map;', + 'uniform float opacity;', + + 'uniform int fogType;', + 'uniform vec3 fogColor;', + 'uniform float fogDensity;', + 'uniform float fogNear;', + 'uniform float fogFar;', + 'uniform float alphaTest;', + + 'varying vec2 vUV;', + + 'void main() {', + + 'vec4 texture = texture2D( map, vUV );', + + 'if ( texture.a < alphaTest ) discard;', + + 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', + + 'if ( fogType > 0 ) {', + + 'float depth = gl_FragCoord.z / gl_FragCoord.w;', + 'float fogFactor = 0.0;', + + 'if ( fogType == 1 ) {', + + 'fogFactor = smoothstep( fogNear, fogFar, depth );', + + '} else {', + + 'const float LOG2 = 1.442695;', + 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', + 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', + + '}', + + 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', + + '}', + + '}' + + ].join( '\n' ) ); + + gl.compileShader( vertexShader ); + gl.compileShader( fragmentShader ); + + gl.attachShader( program, vertexShader ); + gl.attachShader( program, fragmentShader ); + + gl.linkProgram( program ); + + return program; + + } + + function painterSortStable( a, b ) { + + if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return b.id - a.id; + + } + + } + + } + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Material() { + + Object.defineProperty( this, 'id', { value: MaterialIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'Material'; + + this.fog = true; + this.lights = true; + + this.blending = NormalBlending; + this.side = FrontSide; + this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading + this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors + + this.opacity = 1; + this.transparent = false; + + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + + this.colorWrite = true; + + this.precision = null; // override the renderer's default precision for this material + + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + + this.alphaTest = 0; + this.premultipliedAlpha = false; + + this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer + + this.visible = true; + + this._needsUpdate = true; + + } + + Material.prototype = { + + constructor: Material, + + isMaterial: true, + + get needsUpdate() { + + return this._needsUpdate; + + }, + + set needsUpdate( value ) { + + if ( value === true ) this.update(); + this._needsUpdate = value; + + }, + + setValues: function ( values ) { + + if ( values === undefined ) return; + + for ( var key in values ) { + + var newValue = values[ key ]; + + if ( newValue === undefined ) { + + console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); + continue; + + } + + var currentValue = this[ key ]; + + if ( currentValue === undefined ) { + + console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); + continue; + + } + + if ( (currentValue && currentValue.isColor) ) { + + currentValue.set( newValue ); + + } else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) { + + currentValue.copy( newValue ); + + } else if ( key === 'overdraw' ) { + + // ensure overdraw is backwards-compatible with legacy boolean type + this[ key ] = Number( newValue ); + + } else { + + this[ key ] = newValue; + + } + + } + + }, + + toJSON: function ( meta ) { + + var isRoot = meta === undefined; + + if ( isRoot ) { + + meta = { + textures: {}, + images: {} + }; + + } + + var data = { + metadata: { + version: 4.4, + type: 'Material', + generator: 'Material.toJSON' + } + }; + + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; + + if ( this.name !== '' ) data.name = this.name; + + if ( (this.color && this.color.isColor) ) data.color = this.color.getHex(); + + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; + + if ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex(); + if ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; + + if ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid; + if ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + if ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid; + if ( (this.bumpMap && this.bumpMap.isTexture) ) { + + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; + + } + if ( (this.normalMap && this.normalMap.isTexture) ) { + + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalScale = this.normalScale.toArray(); + + } + if ( (this.displacementMap && this.displacementMap.isTexture) ) { + + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + + } + if ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + + if ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + + if ( (this.envMap && this.envMap.isTexture) ) { + + data.envMap = this.envMap.toJSON( meta ).uuid; + data.reflectivity = this.reflectivity; // Scale behind envMap + + } + + if ( this.size !== undefined ) data.size = this.size; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.shading !== SmoothShading ) data.shading = this.shading; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; + + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = this.transparent; + + data.depthFunc = this.depthFunc; + data.depthTest = this.depthTest; + data.depthWrite = this.depthWrite; + + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; + if ( this.wireframe === true ) data.wireframe = this.wireframe; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + + data.skinning = this.skinning; + data.morphTargets = this.morphTargets; + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + var values = []; + + for ( var key in cache ) { + + var data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRoot ) { + + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + + } + + return data; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.name = source.name; + + this.fog = source.fog; + this.lights = source.lights; + + this.blending = source.blending; + this.side = source.side; + this.shading = source.shading; + this.vertexColors = source.vertexColors; + + this.opacity = source.opacity; + this.transparent = source.transparent; + + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + + this.colorWrite = source.colorWrite; + + this.precision = source.precision; + + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + + this.alphaTest = source.alphaTest; + + this.premultipliedAlpha = source.premultipliedAlpha; + + this.overdraw = source.overdraw; + + this.visible = source.visible; + this.clipShadows = source.clipShadows; + this.clipIntersection = source.clipIntersection; + + var srcPlanes = source.clippingPlanes, + dstPlanes = null; + + if ( srcPlanes !== null ) { + + var n = srcPlanes.length; + dstPlanes = new Array( n ); + + for ( var i = 0; i !== n; ++ i ) + dstPlanes[ i ] = srcPlanes[ i ].clone(); + + } + + this.clippingPlanes = dstPlanes; + + return this; + + }, + + update: function () { + + this.dispatchEvent( { type: 'update' } ); + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + }; + + Object.assign( Material.prototype, EventDispatcher.prototype ); + + var count$1 = 0; + function MaterialIdCount() { return count$1++; } + + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * defines: { "label" : "value" }, + * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, + * + * fragmentShader: , + * vertexShader: , + * + * wireframe: , + * wireframeLinewidth: , + * + * lights: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + + function ShaderMaterial( parameters ) { + + Material.call( this ); + + this.type = 'ShaderMaterial'; + + this.defines = {}; + this.uniforms = {}; + + this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; + this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; + + this.linewidth = 1; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes + + this.skinning = false; // set to use skinning attribute streams + this.morphTargets = false; // set to use morph targets + this.morphNormals = false; // set to use morph normals + + this.extensions = { + derivatives: false, // set to use derivatives + fragDepth: false, // set to use fragment depth values + drawBuffers: false, // set to use draw buffers + shaderTextureLOD: false // set to use shader texture LOD + }; + + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv2': [ 0, 0 ] + }; + + this.index0AttributeName = undefined; + + if ( parameters !== undefined ) { + + if ( parameters.attributes !== undefined ) { + + console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); + + } + + this.setValues( parameters ); + + } + + } + + ShaderMaterial.prototype = Object.create( Material.prototype ); + ShaderMaterial.prototype.constructor = ShaderMaterial; + + ShaderMaterial.prototype.isShaderMaterial = true; + + ShaderMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + + this.uniforms = UniformsUtils.clone( source.uniforms ); + + this.defines = source.defines; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.lights = source.lights; + this.clipping = source.clipping; + + this.skinning = source.skinning; + + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + this.extensions = source.extensions; + + return this; + + }; + + ShaderMaterial.prototype.toJSON = function ( meta ) { + + var data = Material.prototype.toJSON.call( this, meta ); + + data.uniforms = this.uniforms; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + + return data; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / https://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * + * opacity: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ + + function MeshDepthMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshDepthMaterial'; + + this.depthPacking = BasicDepthPacking; + + this.skinning = false; + this.morphTargets = false; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; + this.lights = false; + + this.setValues( parameters ); + + } + + MeshDepthMaterial.prototype = Object.create( Material.prototype ); + MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; + + MeshDepthMaterial.prototype.isMeshDepthMaterial = true; + + MeshDepthMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.depthPacking = source.depthPacking; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + return this; + + }; + + /** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ + + function Box3( min, max ) { + + this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); + + } + + Box3.prototype = { + + constructor: Box3, + + isBox3: true, + + set: function ( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + }, + + setFromArray: function ( array ) { + + var minX = + Infinity; + var minY = + Infinity; + var minZ = + Infinity; + + var maxX = - Infinity; + var maxY = - Infinity; + var maxZ = - Infinity; + + for ( var i = 0, l = array.length; i < l; i += 3 ) { + + var x = array[ i ]; + var y = array[ i + 1 ]; + var z = array[ i + 2 ]; + + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; + + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; + + } + + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); + + }, + + setFromPoints: function ( points ) { + + this.makeEmpty(); + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + }, + + setFromCenterAndSize: function () { + + var v1 = new Vector3(); + + return function setFromCenterAndSize( center, size ) { + + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + }; + + }(), + + setFromObject: function () { + + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms + + var v1 = new Vector3(); + + return function setFromObject( object ) { + + var scope = this; + + object.updateMatrixWorld( true ); + + this.makeEmpty(); + + object.traverse( function ( node ) { + + var geometry = node.geometry; + + if ( geometry !== undefined ) { + + if ( (geometry && geometry.isGeometry) ) { + + var vertices = geometry.vertices; + + for ( var i = 0, il = vertices.length; i < il; i ++ ) { + + v1.copy( vertices[ i ] ); + v1.applyMatrix4( node.matrixWorld ); + + scope.expandByPoint( v1 ); + + } + + } else if ( (geometry && geometry.isBufferGeometry) ) { + + var attribute = geometry.attributes.position; + + if ( attribute !== undefined ) { + + var array, offset, stride; + + if ( (attribute && attribute.isInterleavedBufferAttribute) ) { + + array = attribute.data.array; + offset = attribute.offset; + stride = attribute.data.stride; + + } else { + + array = attribute.array; + offset = 0; + stride = 3; + + } + + for ( var i = offset, il = array.length; i < il; i += stride ) { + + v1.fromArray( array, i ); + v1.applyMatrix4( node.matrixWorld ); + + scope.expandByPoint( v1 ); + + } + + } + + } + + } + + } ); + + return this; + + }; + + }(), + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + }, + + makeEmpty: function () { + + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; + + return this; + + }, + + isEmpty: function () { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + + }, + + getCenter: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + }, + + getSize: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min ); + + }, + + expandByPoint: function ( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + }, + + expandByVector: function ( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + }, + + expandByScalar: function ( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + }, + + containsPoint: function ( point ) { + + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ) { + + return false; + + } + + return true; + + }, + + containsBox: function ( box ) { + + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) && + ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) { + + return true; + + } + + return false; + + }, + + getParameter: function ( point, optionalTarget ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + var result = optionalTarget || new Vector3(); + + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); + + }, + + intersectsBox: function ( box ) { + + // using 6 splitting planes to rule out intersections. + + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ) { + + return false; + + } + + return true; + + }, + + intersectsSphere: ( function () { + + var closestPoint; + + return function intersectsSphere( sphere ) { + + if ( closestPoint === undefined ) closestPoint = new Vector3(); + + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, closestPoint ); + + // If that point is inside the sphere, the AABB and sphere intersect. + return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + + }; + + } )(), + + intersectsPlane: function ( plane ) { + + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. + + var min, max; + + if ( plane.normal.x > 0 ) { + + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + + } else { + + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + + } + + if ( plane.normal.y > 0 ) { + + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + + } else { + + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + + } + + if ( plane.normal.z > 0 ) { + + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + + } else { + + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + + } + + return ( min <= plane.constant && max >= plane.constant ); + + }, + + clampPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.copy( point ).clamp( this.min, this.max ); + + }, + + distanceToPoint: function () { + + var v1 = new Vector3(); + + return function distanceToPoint( point ) { + + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); + + }; + + }(), + + getBoundingSphere: function () { + + var v1 = new Vector3(); + + return function getBoundingSphere( optionalTarget ) { + + var result = optionalTarget || new Sphere(); + + this.getCenter( result.center ); + + result.radius = this.getSize( v1 ).length() * 0.5; + + return result; + + }; + + }(), + + intersect: function ( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if( this.isEmpty() ) this.makeEmpty(); + + return this; + + }, + + union: function ( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + }, + + applyMatrix4: function () { + + var points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() + ]; + + return function applyMatrix4( matrix ) { + + // transform of empty box is an empty box. + if( this.isEmpty() ) return this; + + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + + this.setFromPoints( points ); + + return this; + + }; + + }(), + + translate: function ( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + }, + + equals: function ( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + + }; + + /** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ + + function Sphere( center, radius ) { + + this.center = ( center !== undefined ) ? center : new Vector3(); + this.radius = ( radius !== undefined ) ? radius : 0; + + } + + Sphere.prototype = { + + constructor: Sphere, + + set: function ( center, radius ) { + + this.center.copy( center ); + this.radius = radius; + + return this; + + }, + + setFromPoints: function () { + + var box = new Box3(); + + return function setFromPoints( points, optionalCenter ) { + + var center = this.center; + + if ( optionalCenter !== undefined ) { + + center.copy( optionalCenter ); + + } else { + + box.setFromPoints( points ).getCenter( center ); + + } + + var maxRadiusSq = 0; + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + + } + + this.radius = Math.sqrt( maxRadiusSq ); + + return this; + + }; + + }(), + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( sphere ) { + + this.center.copy( sphere.center ); + this.radius = sphere.radius; + + return this; + + }, + + empty: function () { + + return ( this.radius <= 0 ); + + }, + + containsPoint: function ( point ) { + + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + + }, + + distanceToPoint: function ( point ) { + + return ( point.distanceTo( this.center ) - this.radius ); + + }, + + intersectsSphere: function ( sphere ) { + + var radiusSum = this.radius + sphere.radius; + + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + + }, + + intersectsBox: function ( box ) { + + return box.intersectsSphere( this ); + + }, + + intersectsPlane: function ( plane ) { + + // We use the following equation to compute the signed distance from + // the center of the sphere to the plane. + // + // distance = q * n - d + // + // If this distance is greater than the radius of the sphere, + // then there is no intersection. + + return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; + + }, + + clampPoint: function ( point, optionalTarget ) { + + var deltaLengthSq = this.center.distanceToSquared( point ); + + var result = optionalTarget || new Vector3(); + + result.copy( point ); + + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + + result.sub( this.center ).normalize(); + result.multiplyScalar( this.radius ).add( this.center ); + + } + + return result; + + }, + + getBoundingBox: function ( optionalTarget ) { + + var box = optionalTarget || new Box3(); + + box.set( this.center, this.center ); + box.expandByScalar( this.radius ); + + return box; + + }, + + applyMatrix4: function ( matrix ) { + + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + + return this; + + }, + + translate: function ( offset ) { + + this.center.add( offset ); + + return this; + + }, + + equals: function ( sphere ) { + + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + + } + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */ + + function Matrix3() { + + this.elements = new Float32Array( [ + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ] ); + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); + + } + + } + + Matrix3.prototype = { + + constructor: Matrix3, + + isMatrix3: true, + + set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + + var te = this.elements; + + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + + return this; + + }, + + identity: function () { + + this.set( + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ); + + return this; + + }, + + clone: function () { + + return new this.constructor().fromArray( this.elements ); + + }, + + copy: function ( m ) { + + var me = m.elements; + + this.set( + + me[ 0 ], me[ 3 ], me[ 6 ], + me[ 1 ], me[ 4 ], me[ 7 ], + me[ 2 ], me[ 5 ], me[ 8 ] + + ); + + return this; + + }, + + setFromMatrix4: function( m ) { + + var me = m.elements; + + this.set( + + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] + + ); + + return this; + + }, + + applyToVector3Array: function () { + + var v1; + + return function applyToVector3Array( array, offset, length ) { + + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; + + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { + + v1.fromArray( array, j ); + v1.applyMatrix3( this ); + v1.toArray( array, j ); + + } + + return array; + + }; + + }(), + + applyToBuffer: function () { + + var v1; + + return function applyToBuffer( buffer, offset, length ) { + + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; + + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); + + v1.applyMatrix3( this ); + + buffer.setXYZ( j, v1.x, v1.y, v1.z ); + + } + + return buffer; + + }; + + }(), + + multiplyScalar: function ( s ) { + + var te = this.elements; + + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + + return this; + + }, + + determinant: function () { + + var te = this.elements; + + var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + + }, + + getInverse: function ( matrix, throwOnDegenerate ) { + + if ( (matrix && matrix.isMatrix4) ) { + + console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." ); + + } + + var me = matrix.elements, + te = this.elements, + + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], + n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], + n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], + + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, + + det = n11 * t11 + n21 * t12 + n31 * t13; + + if ( det === 0 ) { + + var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0"; + + if ( throwOnDegenerate === true ) { + + throw new Error( msg ); + + } else { + + console.warn( msg ); + + } + + return this.identity(); + } + + var detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + + return this; + + }, + + transpose: function () { + + var tmp, m = this.elements; + + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + + return this; + + }, + + flattenToArrayOffset: function ( array, offset ) { + + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); + + return this.toArray( array, offset ); + + }, + + getNormalMatrix: function ( matrix4 ) { + + return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); + + }, + + transposeIntoArray: function ( r ) { + + var m = this.elements; + + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + + return this; + + }, + + fromArray: function ( array, offset ) { + + if ( offset === undefined ) offset = 0; + + for( var i = 0; i < 9; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + + return array; + + } + + }; + + /** + * @author bhouston / http://clara.io + */ + + function Plane( normal, constant ) { + + this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); + this.constant = ( constant !== undefined ) ? constant : 0; + + } + + Plane.prototype = { + + constructor: Plane, + + set: function ( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; + + return this; + + }, + + setComponents: function ( x, y, z, w ) { + + this.normal.set( x, y, z ); + this.constant = w; + + return this; + + }, + + setFromNormalAndCoplanarPoint: function ( normal, point ) { + + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); // must be this.normal, not normal, as this.normal is normalized + + return this; + + }, + + setFromCoplanarPoints: function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function setFromCoplanarPoints( a, b, c ) { + + var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize(); + + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; + + }; + + }(), + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( plane ) { + + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; + + }, + + normalize: function () { + + // Note: will lead to a divide by zero if the plane is invalid. + + var inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; + + }, + + negate: function () { + + this.constant *= - 1; + this.normal.negate(); + + return this; + + }, + + distanceToPoint: function ( point ) { + + return this.normal.dot( point ) + this.constant; + + }, + + distanceToSphere: function ( sphere ) { + + return this.distanceToPoint( sphere.center ) - sphere.radius; + + }, + + projectPoint: function ( point, optionalTarget ) { + + return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); + + }, + + orthoPoint: function ( point, optionalTarget ) { + + var perpendicularMagnitude = this.distanceToPoint( point ); + + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); + + }, + + intersectLine: function () { + + var v1 = new Vector3(); + + return function intersectLine( line, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + var direction = line.delta( v1 ); + + var denominator = this.normal.dot( direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { + + return result.copy( line.start ); + + } + + // Unsure if this is the correct method to handle this case. + return undefined; + + } + + var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + + if ( t < 0 || t > 1 ) { + + return undefined; + + } + + return result.copy( direction ).multiplyScalar( t ).add( line.start ); + + }; + + }(), + + intersectsLine: function ( line ) { + + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + + var startSign = this.distanceToPoint( line.start ); + var endSign = this.distanceToPoint( line.end ); + + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + + }, + + intersectsBox: function ( box ) { + + return box.intersectsPlane( this ); + + }, + + intersectsSphere: function ( sphere ) { + + return sphere.intersectsPlane( this ); + + }, + + coplanarPoint: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( - this.constant ); + + }, + + applyMatrix4: function () { + + var v1 = new Vector3(); + var m1 = new Matrix3(); + + return function applyMatrix4( matrix, optionalNormalMatrix ) { + + var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); + + // transform normal based on theory here: + // http://www.songho.ca/opengl/gl_normaltransform.html + var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); + var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + + // recalculate constant (like in setFromNormalAndCoplanarPoint) + this.constant = - referencePoint.dot( normal ); + + return this; + + }; + + }(), + + translate: function ( offset ) { + + this.constant = this.constant - offset.dot( this.normal ); + + return this; + + }, + + equals: function ( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / http://clara.io + */ + + function Frustum( p0, p1, p2, p3, p4, p5 ) { + + this.planes = [ + + ( p0 !== undefined ) ? p0 : new Plane(), + ( p1 !== undefined ) ? p1 : new Plane(), + ( p2 !== undefined ) ? p2 : new Plane(), + ( p3 !== undefined ) ? p3 : new Plane(), + ( p4 !== undefined ) ? p4 : new Plane(), + ( p5 !== undefined ) ? p5 : new Plane() + + ]; + + } + + Frustum.prototype = { + + constructor: Frustum, + + set: function ( p0, p1, p2, p3, p4, p5 ) { + + var planes = this.planes; + + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( frustum ) { + + var planes = this.planes; + + for ( var i = 0; i < 6; i ++ ) { + + planes[ i ].copy( frustum.planes[ i ] ); + + } + + return this; + + }, + + setFromMatrix: function ( m ) { + + var planes = this.planes; + var me = m.elements; + var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + + return this; + + }, + + intersectsObject: function () { + + var sphere = new Sphere(); + + return function intersectsObject( object ) { + + var geometry = object.geometry; + + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); + + sphere.copy( geometry.boundingSphere ) + .applyMatrix4( object.matrixWorld ); + + return this.intersectsSphere( sphere ); + + }; + + }(), + + intersectsSprite: function () { + + var sphere = new Sphere(); + + return function intersectsSprite( sprite ) { + + sphere.center.set( 0, 0, 0 ); + sphere.radius = 0.7071067811865476; + sphere.applyMatrix4( sprite.matrixWorld ); + + return this.intersectsSphere( sphere ); + + }; + + }(), + + intersectsSphere: function ( sphere ) { + + var planes = this.planes; + var center = sphere.center; + var negRadius = - sphere.radius; + + for ( var i = 0; i < 6; i ++ ) { + + var distance = planes[ i ].distanceToPoint( center ); + + if ( distance < negRadius ) { + + return false; + + } + + } + + return true; + + }, + + intersectsBox: function () { + + var p1 = new Vector3(), + p2 = new Vector3(); + + return function intersectsBox( box ) { + + var planes = this.planes; + + for ( var i = 0; i < 6 ; i ++ ) { + + var plane = planes[ i ]; + + p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; + p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; + p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; + p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; + p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; + p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; + + var d1 = plane.distanceToPoint( p1 ); + var d2 = plane.distanceToPoint( p2 ); + + // if both outside plane, no intersection + + if ( d1 < 0 && d2 < 0 ) { + + return false; + + } + + } + + return true; + + }; + + }(), + + + containsPoint: function ( point ) { + + var planes = this.planes; + + for ( var i = 0; i < 6; i ++ ) { + + if ( planes[ i ].distanceToPoint( point ) < 0 ) { + + return false; + + } + + } + + return true; + + } + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { + + var _gl = _renderer.context, + _state = _renderer.state, + _frustum = new Frustum(), + _projScreenMatrix = new Matrix4(), + + _lightShadows = _lights.shadows, + + _shadowMapSize = new Vector2(), + _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), + + _lookTarget = new Vector3(), + _lightPositionWorld = new Vector3(), + + _renderList = [], + + _MorphingFlag = 1, + _SkinningFlag = 2, + + _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, + + _depthMaterials = new Array( _NumberOfMaterialVariants ), + _distanceMaterials = new Array( _NumberOfMaterialVariants ), + + _materialCache = {}; + + var cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; + + var cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; + + var cube2DViewPorts = [ + new Vector4(), new Vector4(), new Vector4(), + new Vector4(), new Vector4(), new Vector4() + ]; + + // init + + var depthMaterialTemplate = new MeshDepthMaterial(); + depthMaterialTemplate.depthPacking = RGBADepthPacking; + depthMaterialTemplate.clipping = true; + + var distanceShader = ShaderLib[ "distanceRGBA" ]; + var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); + + for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { + + var useMorphing = ( i & _MorphingFlag ) !== 0; + var useSkinning = ( i & _SkinningFlag ) !== 0; + + var depthMaterial = depthMaterialTemplate.clone(); + depthMaterial.morphTargets = useMorphing; + depthMaterial.skinning = useSkinning; + + _depthMaterials[ i ] = depthMaterial; + + var distanceMaterial = new ShaderMaterial( { + defines: { + 'USE_SHADOWMAP': '' + }, + uniforms: distanceUniforms, + vertexShader: distanceShader.vertexShader, + fragmentShader: distanceShader.fragmentShader, + morphTargets: useMorphing, + skinning: useSkinning, + clipping: true + } ); + + _distanceMaterials[ i ] = distanceMaterial; + + } + + // + + var scope = this; + + this.enabled = false; + + this.autoUpdate = true; + this.needsUpdate = false; + + this.type = PCFShadowMap; + + this.renderReverseSided = true; + this.renderSingleSided = true; + + this.render = function ( scene, camera ) { + + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + + if ( _lightShadows.length === 0 ) return; + + // Set GL state for depth map. + _state.clearColor( 1, 1, 1, 1 ); + _state.disable( _gl.BLEND ); + _state.setDepthTest( true ); + _state.setScissorTest( false ); + + // render depth map + + var faceCount, isPointLight; + + for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { + + var light = _lightShadows[ i ]; + var shadow = light.shadow; + + if ( shadow === undefined ) { + + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; + + } + + var shadowCamera = shadow.camera; + + _shadowMapSize.copy( shadow.mapSize ); + _shadowMapSize.min( _maxShadowMapSize ); + + if ( (light && light.isPointLight) ) { + + faceCount = 6; + isPointLight = true; + + var vpWidth = _shadowMapSize.x; + var vpHeight = _shadowMapSize.y; + + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + + // positive X + cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); + // negative X + cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); + // positive Z + cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); + // negative Z + cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); + // positive Y + cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); + // negative Y + cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); + + _shadowMapSize.x *= 4.0; + _shadowMapSize.y *= 2.0; + + } else { + + faceCount = 1; + isPointLight = false; + + } + + if ( shadow.map === null ) { + + var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; + + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + + shadowCamera.updateProjectionMatrix(); + + } + + if ( (shadow && shadow.isSpotLightShadow) ) { + + shadow.update( light ); + + } + + var shadowMap = shadow.map; + var shadowMatrix = shadow.matrix; + + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld ); + + _renderer.setRenderTarget( shadowMap ); + _renderer.clear(); + + // render shadow map for each cube face (if omni-directional) or + // run a single pass if not + + for ( var face = 0; face < faceCount; face ++ ) { + + if ( isPointLight ) { + + _lookTarget.copy( shadowCamera.position ); + _lookTarget.add( cubeDirections[ face ] ); + shadowCamera.up.copy( cubeUps[ face ] ); + shadowCamera.lookAt( _lookTarget ); + + var vpDimensions = cube2DViewPorts[ face ]; + _state.viewport( vpDimensions ); + + } else { + + _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget ); + + } + + shadowCamera.updateMatrixWorld(); + shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); + + // compute shadow matrix + + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); + + shadowMatrix.multiply( shadowCamera.projectionMatrix ); + shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); + + // update camera matrices and frustum + + _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); + + // set object matrices & frustum culling + + _renderList.length = 0; + + projectObject( scene, camera, shadowCamera ); + + // render shadow map + // render regular objects + + for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { + + var object = _renderList[ j ]; + var geometry = _objects.update( object ); + var material = object.material; + + if ( (material && material.isMultiMaterial) ) { + + var groups = geometry.groups; + var materials = material.materials; + + for ( var k = 0, kl = groups.length; k < kl; k ++ ) { + + var group = groups[ k ]; + var groupMaterial = materials[ group.materialIndex ]; + + if ( groupMaterial.visible === true ) { + + var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + + } + + } + + } else { + + var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + + } + + } + + } + + } + + // Restore GL state. + var clearColor = _renderer.getClearColor(), + clearAlpha = _renderer.getClearAlpha(); + _renderer.setClearColor( clearColor, clearAlpha ); + + scope.needsUpdate = false; + + }; + + function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { + + var geometry = object.geometry; + + var result = null; + + var materialVariants = _depthMaterials; + var customMaterial = object.customDepthMaterial; + + if ( isPointLight ) { + + materialVariants = _distanceMaterials; + customMaterial = object.customDistanceMaterial; + + } + + if ( ! customMaterial ) { + + var useMorphing = false; + + if ( material.morphTargets ) { + + if ( (geometry && geometry.isBufferGeometry) ) { + + useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; + + } else if ( (geometry && geometry.isGeometry) ) { + + useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; + + } + + } + + var useSkinning = object.isSkinnedMesh && material.skinning; + + var variantIndex = 0; + + if ( useMorphing ) variantIndex |= _MorphingFlag; + if ( useSkinning ) variantIndex |= _SkinningFlag; + + result = materialVariants[ variantIndex ]; + + } else { + + result = customMaterial; + + } + + if ( _renderer.localClippingEnabled && + material.clipShadows === true && + material.clippingPlanes.length !== 0 ) { + + // in this case we need a unique material instance reflecting the + // appropriate state + + var keyA = result.uuid, keyB = material.uuid; + + var materialsForVariant = _materialCache[ keyA ]; + + if ( materialsForVariant === undefined ) { + + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; + + } + + var cachedMaterial = materialsForVariant[ keyB ]; + + if ( cachedMaterial === undefined ) { + + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; + + } + + result = cachedMaterial; + + } + + result.visible = material.visible; + result.wireframe = material.wireframe; + + var side = material.side; + + if ( scope.renderSingleSided && side == DoubleSide ) { + + side = FrontSide; + + } + + if ( scope.renderReverseSided ) { + + if ( side === FrontSide ) side = BackSide; + else if ( side === BackSide ) side = FrontSide; + + } + + result.side = side; + + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + + if ( isPointLight && result.uniforms.lightPos !== undefined ) { + + result.uniforms.lightPos.value.copy( lightPositionWorld ); + + } + + return result; + + } + + function projectObject( object, camera, shadowCamera ) { + + if ( object.visible === false ) return; + + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + + if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { + + var material = object.material; + + if ( material.visible === true ) { + + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + _renderList.push( object ); + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera, shadowCamera ); + + } + + } + + } + + /** + * @author bhouston / http://clara.io + */ + + function Ray( origin, direction ) { + + this.origin = ( origin !== undefined ) ? origin : new Vector3(); + this.direction = ( direction !== undefined ) ? direction : new Vector3(); + + } + + Ray.prototype = { + + constructor: Ray, + + set: function ( origin, direction ) { + + this.origin.copy( origin ); + this.direction.copy( direction ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( ray ) { + + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); + + return this; + + }, + + at: function ( t, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + + }, + + lookAt: function ( v ) { + + this.direction.copy( v ).sub( this.origin ).normalize(); + + return this; + + }, + + recast: function () { + + var v1 = new Vector3(); + + return function recast( t ) { + + this.origin.copy( this.at( t, v1 ) ); + + return this; + + }; + + }(), + + closestPointToPoint: function ( point, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + result.subVectors( point, this.origin ); + var directionDistance = result.dot( this.direction ); + + if ( directionDistance < 0 ) { + + return result.copy( this.origin ); + + } + + return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + }, + + distanceToPoint: function ( point ) { + + return Math.sqrt( this.distanceSqToPoint( point ) ); + + }, + + distanceSqToPoint: function () { + + var v1 = new Vector3(); + + return function distanceSqToPoint( point ) { + + var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); + + // point behind the ray + + if ( directionDistance < 0 ) { + + return this.origin.distanceToSquared( point ); + + } + + v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + return v1.distanceToSquared( point ); + + }; + + }(), + + distanceSqToSegment: function () { + + var segCenter = new Vector3(); + var segDir = new Vector3(); + var diff = new Vector3(); + + return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment + + segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + segDir.copy( v1 ).sub( v0 ).normalize(); + diff.copy( this.origin ).sub( segCenter ); + + var segExtent = v0.distanceTo( v1 ) * 0.5; + var a01 = - this.direction.dot( segDir ); + var b0 = diff.dot( this.direction ); + var b1 = - diff.dot( segDir ); + var c = diff.lengthSq(); + var det = Math.abs( 1 - a01 * a01 ); + var s0, s1, sqrDist, extDet; + + if ( det > 0 ) { + + // The ray and segment are not parallel. + + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + + if ( s0 >= 0 ) { + + if ( s1 >= - extDet ) { + + if ( s1 <= extDet ) { + + // region 0 + // Minimum at interior points of ray and segment. + + var invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + + } else { + + // region 1 + + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + // region 5 + + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + if ( s1 <= - extDet ) { + + // region 4 + + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } else if ( s1 <= extDet ) { + + // region 3 + + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + + } else { + + // region 2 + + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } + + } else { + + // Ray and segment are parallel. + + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + if ( optionalPointOnRay ) { + + optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); + + } + + if ( optionalPointOnSegment ) { + + optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter ); + + } + + return sqrDist; + + }; + + }(), + + intersectSphere: function () { + + var v1 = new Vector3(); + + return function intersectSphere( sphere, optionalTarget ) { + + v1.subVectors( sphere.center, this.origin ); + var tca = v1.dot( this.direction ); + var d2 = v1.dot( v1 ) - tca * tca; + var radius2 = sphere.radius * sphere.radius; + + if ( d2 > radius2 ) return null; + + var thc = Math.sqrt( radius2 - d2 ); + + // t0 = first intersect point - entrance on front of sphere + var t0 = tca - thc; + + // t1 = second intersect point - exit point on back of sphere + var t1 = tca + thc; + + // test to see if both t0 and t1 are behind the ray - if so, return null + if ( t0 < 0 && t1 < 0 ) return null; + + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, optionalTarget ); + + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, optionalTarget ); + + }; + + }(), + + intersectsSphere: function ( sphere ) { + + return this.distanceToPoint( sphere.center ) <= sphere.radius; + + }, + + distanceToPlane: function ( plane ) { + + var denominator = plane.normal.dot( this.direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { + + return 0; + + } + + // Null is preferable to undefined since undefined means.... it is undefined + + return null; + + } + + var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + + // Return if the ray never intersects the plane + + return t >= 0 ? t : null; + + }, + + intersectPlane: function ( plane, optionalTarget ) { + + var t = this.distanceToPlane( plane ); + + if ( t === null ) { + + return null; + + } + + return this.at( t, optionalTarget ); + + }, + + + + intersectsPlane: function ( plane ) { + + // check if the ray lies on the plane first + + var distToPoint = plane.distanceToPoint( this.origin ); + + if ( distToPoint === 0 ) { + + return true; + + } + + var denominator = plane.normal.dot( this.direction ); + + if ( denominator * distToPoint < 0 ) { + + return true; + + } + + // ray origin is behind the plane (and is pointing behind it) + + return false; + + }, + + intersectBox: function ( box, optionalTarget ) { + + var tmin, tmax, tymin, tymax, tzmin, tzmax; + + var invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; + + var origin = this.origin; + + if ( invdirx >= 0 ) { + + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; + + } else { + + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; + + } + + if ( invdiry >= 0 ) { + + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; + + } else { + + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; + + } + + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + + // These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN + + if ( tymin > tmin || tmin !== tmin ) tmin = tymin; + + if ( tymax < tmax || tmax !== tmax ) tmax = tymax; + + if ( invdirz >= 0 ) { + + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; + + } else { + + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; + + } + + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + + //return point closest to the ray (positive side) + + if ( tmax < 0 ) return null; + + return this.at( tmin >= 0 ? tmin : tmax, optionalTarget ); + + }, + + intersectsBox: ( function () { + + var v = new Vector3(); + + return function intersectsBox( box ) { + + return this.intersectBox( box, v ) !== null; + + }; + + } )(), + + intersectTriangle: function () { + + // Compute the offset origin, edges, and normal. + var diff = new Vector3(); + var edge1 = new Vector3(); + var edge2 = new Vector3(); + var normal = new Vector3(); + + return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { + + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + + edge1.subVectors( b, a ); + edge2.subVectors( c, a ); + normal.crossVectors( edge1, edge2 ); + + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + var DdN = this.direction.dot( normal ); + var sign; + + if ( DdN > 0 ) { + + if ( backfaceCulling ) return null; + sign = 1; + + } else if ( DdN < 0 ) { + + sign = - 1; + DdN = - DdN; + + } else { + + return null; + + } + + diff.subVectors( this.origin, a ); + var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) ); + + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { + + return null; + + } + + var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) ); + + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { + + return null; + + } + + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { + + return null; + + } + + // Line intersects triangle, check if ray does. + var QdN = - sign * diff.dot( normal ); + + // t < 0, no intersection + if ( QdN < 0 ) { + + return null; + + } + + // Ray intersects triangle. + return this.at( QdN / DdN, optionalTarget ); + + }; + + }(), + + applyMatrix4: function ( matrix4 ) { + + this.direction.add( this.origin ).applyMatrix4( matrix4 ); + this.origin.applyMatrix4( matrix4 ); + this.direction.sub( this.origin ); + this.direction.normalize(); + + return this; + + }, + + equals: function ( ray ) { + + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ + + function Euler( x, y, z, order ) { + + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._order = order || Euler.DefaultOrder; + + } + + Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; + + Euler.DefaultOrder = 'XYZ'; + + Euler.prototype = { + + constructor: Euler, + + isEuler: true, + + get x () { + + return this._x; + + }, + + set x ( value ) { + + this._x = value; + this.onChangeCallback(); + + }, + + get y () { + + return this._y; + + }, + + set y ( value ) { + + this._y = value; + this.onChangeCallback(); + + }, + + get z () { + + return this._z; + + }, + + set z ( value ) { + + this._z = value; + this.onChangeCallback(); + + }, + + get order () { + + return this._order; + + }, + + set order ( value ) { + + this._order = value; + this.onChangeCallback(); + + }, + + set: function ( x, y, z, order ) { + + this._x = x; + this._y = y; + this._z = z; + this._order = order || this._order; + + this.onChangeCallback(); + + return this; + + }, + + clone: function () { + + return new this.constructor( this._x, this._y, this._z, this._order ); + + }, + + copy: function ( euler ) { + + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + + this.onChangeCallback(); + + return this; + + }, + + setFromRotationMatrix: function ( m, order, update ) { + + var clamp = _Math.clamp; + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + var te = m.elements; + var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + order = order || this._order; + + if ( order === 'XYZ' ) { + + this._y = Math.asin( clamp( m13, - 1, 1 ) ); + + if ( Math.abs( m13 ) < 0.99999 ) { + + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); + + } else { + + this._x = Math.atan2( m32, m22 ); + this._z = 0; + + } + + } else if ( order === 'YXZ' ) { + + this._x = Math.asin( - clamp( m23, - 1, 1 ) ); + + if ( Math.abs( m23 ) < 0.99999 ) { + + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); + + } else { + + this._y = Math.atan2( - m31, m11 ); + this._z = 0; + + } + + } else if ( order === 'ZXY' ) { + + this._x = Math.asin( clamp( m32, - 1, 1 ) ); + + if ( Math.abs( m32 ) < 0.99999 ) { + + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); + + } else { + + this._y = 0; + this._z = Math.atan2( m21, m11 ); + + } + + } else if ( order === 'ZYX' ) { + + this._y = Math.asin( - clamp( m31, - 1, 1 ) ); + + if ( Math.abs( m31 ) < 0.99999 ) { + + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); + + } else { + + this._x = 0; + this._z = Math.atan2( - m12, m22 ); + + } + + } else if ( order === 'YZX' ) { + + this._z = Math.asin( clamp( m21, - 1, 1 ) ); + + if ( Math.abs( m21 ) < 0.99999 ) { + + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); + + } else { + + this._x = 0; + this._y = Math.atan2( m13, m33 ); + + } + + } else if ( order === 'XZY' ) { + + this._z = Math.asin( - clamp( m12, - 1, 1 ) ); + + if ( Math.abs( m12 ) < 0.99999 ) { + + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); + + } else { + + this._x = Math.atan2( - m23, m33 ); + this._y = 0; + + } + + } else { + + console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); + + } + + this._order = order; + + if ( update !== false ) this.onChangeCallback(); + + return this; + + }, + + setFromQuaternion: function () { + + var matrix; + + return function setFromQuaternion( q, order, update ) { + + if ( matrix === undefined ) matrix = new Matrix4(); + + matrix.makeRotationFromQuaternion( q ); + + return this.setFromRotationMatrix( matrix, order, update ); + + }; + + }(), + + setFromVector3: function ( v, order ) { + + return this.set( v.x, v.y, v.z, order || this._order ); + + }, + + reorder: function () { + + // WARNING: this discards revolution information -bhouston + + var q = new Quaternion(); + + return function reorder( newOrder ) { + + q.setFromEuler( this ); + + return this.setFromQuaternion( q, newOrder ); + + }; + + }(), + + equals: function ( euler ) { + + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + + }, + + fromArray: function ( array ) { + + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + + this.onChangeCallback(); + + return this; + + }, + + toArray: function ( array, offset ) { + + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; + + return array; + + }, + + toVector3: function ( optionalResult ) { + + if ( optionalResult ) { + + return optionalResult.set( this._x, this._y, this._z ); + + } else { + + return new Vector3( this._x, this._y, this._z ); + + } + + }, + + onChange: function ( callback ) { + + this.onChangeCallback = callback; + + return this; + + }, + + onChangeCallback: function () {} + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Layers() { + + this.mask = 1; + + } + + Layers.prototype = { + + constructor: Layers, + + set: function ( channel ) { + + this.mask = 1 << channel; + + }, + + enable: function ( channel ) { + + this.mask |= 1 << channel; + + }, + + toggle: function ( channel ) { + + this.mask ^= 1 << channel; + + }, + + disable: function ( channel ) { + + this.mask &= ~ ( 1 << channel ); + + }, + + test: function ( layers ) { + + return ( this.mask & layers.mask ) !== 0; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author elephantatwork / www.elephantatwork.ch + */ + + function Object3D() { + + Object.defineProperty( this, 'id', { value: Object3DIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'Object3D'; + + this.parent = null; + this.children = []; + + this.up = Object3D.DefaultUp.clone(); + + var position = new Vector3(); + var rotation = new Euler(); + var quaternion = new Quaternion(); + var scale = new Vector3( 1, 1, 1 ); + + function onRotationChange() { + + quaternion.setFromEuler( rotation, false ); + + } + + function onQuaternionChange() { + + rotation.setFromQuaternion( quaternion, undefined, false ); + + } + + rotation.onChange( onRotationChange ); + quaternion.onChange( onQuaternionChange ); + + Object.defineProperties( this, { + position: { + enumerable: true, + value: position + }, + rotation: { + enumerable: true, + value: rotation + }, + quaternion: { + enumerable: true, + value: quaternion + }, + scale: { + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); + + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + + this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; + this.matrixWorldNeedsUpdate = false; + + this.layers = new Layers(); + this.visible = true; + + this.castShadow = false; + this.receiveShadow = false; + + this.frustumCulled = true; + this.renderOrder = 0; + + this.userData = {}; + + this.onBeforeRender = function(){}; + this.onAfterRender = function(){}; + + } + + Object3D.DefaultUp = new Vector3( 0, 1, 0 ); + Object3D.DefaultMatrixAutoUpdate = true; + + Object.assign( Object3D.prototype, EventDispatcher.prototype, { + + isObject3D: true, + + applyMatrix: function ( matrix ) { + + this.matrix.multiplyMatrices( matrix, this.matrix ); + + this.matrix.decompose( this.position, this.quaternion, this.scale ); + + }, + + setRotationFromAxisAngle: function ( axis, angle ) { + + // assumes axis is normalized + + this.quaternion.setFromAxisAngle( axis, angle ); + + }, + + setRotationFromEuler: function ( euler ) { + + this.quaternion.setFromEuler( euler, true ); + + }, + + setRotationFromMatrix: function ( m ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + this.quaternion.setFromRotationMatrix( m ); + + }, + + setRotationFromQuaternion: function ( q ) { + + // assumes q is normalized + + this.quaternion.copy( q ); + + }, + + rotateOnAxis: function () { + + // rotate object on axis in object space + // axis is assumed to be normalized + + var q1 = new Quaternion(); + + return function rotateOnAxis( axis, angle ) { + + q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( q1 ); + + return this; + + }; + + }(), + + rotateX: function () { + + var v1 = new Vector3( 1, 0, 0 ); + + return function rotateX( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + rotateY: function () { + + var v1 = new Vector3( 0, 1, 0 ); + + return function rotateY( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + rotateZ: function () { + + var v1 = new Vector3( 0, 0, 1 ); + + return function rotateZ( angle ) { + + return this.rotateOnAxis( v1, angle ); + + }; + + }(), + + translateOnAxis: function () { + + // translate object by distance along axis in object space + // axis is assumed to be normalized + + var v1 = new Vector3(); + + return function translateOnAxis( axis, distance ) { + + v1.copy( axis ).applyQuaternion( this.quaternion ); + + this.position.add( v1.multiplyScalar( distance ) ); + + return this; + + }; + + }(), + + translateX: function () { + + var v1 = new Vector3( 1, 0, 0 ); + + return function translateX( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + translateY: function () { + + var v1 = new Vector3( 0, 1, 0 ); + + return function translateY( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + translateZ: function () { + + var v1 = new Vector3( 0, 0, 1 ); + + return function translateZ( distance ) { + + return this.translateOnAxis( v1, distance ); + + }; + + }(), + + localToWorld: function ( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); + + }, + + worldToLocal: function () { + + var m1 = new Matrix4(); + + return function worldToLocal( vector ) { + + return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); + + }; + + }(), + + lookAt: function () { + + // This routine does not support objects with rotated and/or translated parent(s) + + var m1 = new Matrix4(); + + return function lookAt( vector ) { + + m1.lookAt( vector, this.position, this.up ); + + this.quaternion.setFromRotationMatrix( m1 ); + + }; + + }(), + + add: function ( object ) { + + if ( arguments.length > 1 ) { + + for ( var i = 0; i < arguments.length; i ++ ) { + + this.add( arguments[ i ] ); + + } + + return this; + + } + + if ( object === this ) { + + console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); + return this; + + } + + if ( (object && object.isObject3D) ) { + + if ( object.parent !== null ) { + + object.parent.remove( object ); + + } + + object.parent = this; + object.dispatchEvent( { type: 'added' } ); + + this.children.push( object ); + + } else { + + console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); + + } + + return this; + + }, + + remove: function ( object ) { + + if ( arguments.length > 1 ) { + + for ( var i = 0; i < arguments.length; i ++ ) { + + this.remove( arguments[ i ] ); + + } + + } + + var index = this.children.indexOf( object ); + + if ( index !== - 1 ) { + + object.parent = null; + + object.dispatchEvent( { type: 'removed' } ); + + this.children.splice( index, 1 ); + + } + + }, + + getObjectById: function ( id ) { + + return this.getObjectByProperty( 'id', id ); + + }, + + getObjectByName: function ( name ) { + + return this.getObjectByProperty( 'name', name ); + + }, + + getObjectByProperty: function ( name, value ) { + + if ( this[ name ] === value ) return this; + + for ( var i = 0, l = this.children.length; i < l; i ++ ) { + + var child = this.children[ i ]; + var object = child.getObjectByProperty( name, value ); + + if ( object !== undefined ) { + + return object; + + } + + } + + return undefined; + + }, + + getWorldPosition: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.updateMatrixWorld( true ); + + return result.setFromMatrixPosition( this.matrixWorld ); + + }, + + getWorldQuaternion: function () { + + var position = new Vector3(); + var scale = new Vector3(); + + return function getWorldQuaternion( optionalTarget ) { + + var result = optionalTarget || new Quaternion(); + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( position, result, scale ); + + return result; + + }; + + }(), + + getWorldRotation: function () { + + var quaternion = new Quaternion(); + + return function getWorldRotation( optionalTarget ) { + + var result = optionalTarget || new Euler(); + + this.getWorldQuaternion( quaternion ); + + return result.setFromQuaternion( quaternion, this.rotation.order, false ); + + }; + + }(), + + getWorldScale: function () { + + var position = new Vector3(); + var quaternion = new Quaternion(); + + return function getWorldScale( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.updateMatrixWorld( true ); + + this.matrixWorld.decompose( position, quaternion, result ); + + return result; + + }; + + }(), + + getWorldDirection: function () { + + var quaternion = new Quaternion(); + + return function getWorldDirection( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.getWorldQuaternion( quaternion ); + + return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); + + }; + + }(), + + raycast: function () {}, + + traverse: function ( callback ) { + + callback( this ); + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverse( callback ); + + } + + }, + + traverseVisible: function ( callback ) { + + if ( this.visible === false ) return; + + callback( this ); + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverseVisible( callback ); + + } + + }, + + traverseAncestors: function ( callback ) { + + var parent = this.parent; + + if ( parent !== null ) { + + callback( parent ); + + parent.traverseAncestors( callback ); + + } + + }, + + updateMatrix: function () { + + this.matrix.compose( this.position, this.quaternion, this.scale ); + + this.matrixWorldNeedsUpdate = true; + + }, + + updateMatrixWorld: function ( force ) { + + if ( this.matrixAutoUpdate === true ) this.updateMatrix(); + + if ( this.matrixWorldNeedsUpdate === true || force === true ) { + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + this.matrixWorldNeedsUpdate = false; + + force = true; + + } + + // update children + + var children = this.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateMatrixWorld( force ); + + } + + }, + + toJSON: function ( meta ) { + + // meta is '' when called from JSON.stringify + var isRootObject = ( meta === undefined || meta === '' ); + + var output = {}; + + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { + + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {} + }; + + output.metadata = { + version: 4.4, + type: 'Object', + generator: 'Object3D.toJSON' + }; + + } + + // standard Object3D serialization + + var object = {}; + + object.uuid = this.uuid; + object.type = this.type; + + if ( this.name !== '' ) object.name = this.name; + if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + + object.matrix = this.matrix.toArray(); + + // + + if ( this.geometry !== undefined ) { + + if ( meta.geometries[ this.geometry.uuid ] === undefined ) { + + meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); + + } + + object.geometry = this.geometry.uuid; + + } + + if ( this.material !== undefined ) { + + if ( meta.materials[ this.material.uuid ] === undefined ) { + + meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); + + } + + object.material = this.material.uuid; + + } + + // + + if ( this.children.length > 0 ) { + + object.children = []; + + for ( var i = 0; i < this.children.length; i ++ ) { + + object.children.push( this.children[ i ].toJSON( meta ).object ); + + } + + } + + if ( isRootObject ) { + + var geometries = extractFromCache( meta.geometries ); + var materials = extractFromCache( meta.materials ); + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); + + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; + + } + + output.object = object; + + return output; + + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { + + var values = []; + for ( var key in cache ) { + + var data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + return values; + + } + + }, + + clone: function ( recursive ) { + + return new this.constructor().copy( this, recursive ); + + }, + + copy: function ( source, recursive ) { + + if ( recursive === undefined ) recursive = true; + + this.name = source.name; + + this.up.copy( source.up ); + + this.position.copy( source.position ); + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); + + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + + this.visible = source.visible; + + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + if ( recursive === true ) { + + for ( var i = 0; i < source.children.length; i ++ ) { + + var child = source.children[ i ]; + this.add( child.clone() ); + + } + + } + + return this; + + } + + } ); + + var count$2 = 0; + function Object3DIdCount() { return count$2++; } + + /** + * @author bhouston / http://clara.io + */ + + function Line3( start, end ) { + + this.start = ( start !== undefined ) ? start : new Vector3(); + this.end = ( end !== undefined ) ? end : new Vector3(); + + } + + Line3.prototype = { + + constructor: Line3, + + set: function ( start, end ) { + + this.start.copy( start ); + this.end.copy( end ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( line ) { + + this.start.copy( line.start ); + this.end.copy( line.end ); + + return this; + + }, + + getCenter: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + + }, + + delta: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.subVectors( this.end, this.start ); + + }, + + distanceSq: function () { + + return this.start.distanceToSquared( this.end ); + + }, + + distance: function () { + + return this.start.distanceTo( this.end ); + + }, + + at: function ( t, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + return this.delta( result ).multiplyScalar( t ).add( this.start ); + + }, + + closestPointToPointParameter: function () { + + var startP = new Vector3(); + var startEnd = new Vector3(); + + return function closestPointToPointParameter( point, clampToLine ) { + + startP.subVectors( point, this.start ); + startEnd.subVectors( this.end, this.start ); + + var startEnd2 = startEnd.dot( startEnd ); + var startEnd_startP = startEnd.dot( startP ); + + var t = startEnd_startP / startEnd2; + + if ( clampToLine ) { + + t = _Math.clamp( t, 0, 1 ); + + } + + return t; + + }; + + }(), + + closestPointToPoint: function ( point, clampToLine, optionalTarget ) { + + var t = this.closestPointToPointParameter( point, clampToLine ); + + var result = optionalTarget || new Vector3(); + + return this.delta( result ).multiplyScalar( t ).add( this.start ); + + }, + + applyMatrix4: function ( matrix ) { + + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); + + return this; + + }, + + equals: function ( line ) { + + return line.start.equals( this.start ) && line.end.equals( this.end ); + + } + + }; + + /** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ + + function Triangle( a, b, c ) { + + this.a = ( a !== undefined ) ? a : new Vector3(); + this.b = ( b !== undefined ) ? b : new Vector3(); + this.c = ( c !== undefined ) ? c : new Vector3(); + + } + + Triangle.normal = function () { + + var v0 = new Vector3(); + + return function normal( a, b, c, optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + result.subVectors( c, b ); + v0.subVectors( a, b ); + result.cross( v0 ); + + var resultLengthSq = result.lengthSq(); + if ( resultLengthSq > 0 ) { + + return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); + + } + + return result.set( 0, 0, 0 ); + + }; + + }(); + + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + Triangle.barycoordFromPoint = function () { + + var v0 = new Vector3(); + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function barycoordFromPoint( point, a, b, c, optionalTarget ) { + + v0.subVectors( c, a ); + v1.subVectors( b, a ); + v2.subVectors( point, a ); + + var dot00 = v0.dot( v0 ); + var dot01 = v0.dot( v1 ); + var dot02 = v0.dot( v2 ); + var dot11 = v1.dot( v1 ); + var dot12 = v1.dot( v2 ); + + var denom = ( dot00 * dot11 - dot01 * dot01 ); + + var result = optionalTarget || new Vector3(); + + // collinear or singular triangle + if ( denom === 0 ) { + + // arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return result.set( - 2, - 1, - 1 ); + + } + + var invDenom = 1 / denom; + var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + + // barycentric coordinates must always sum to 1 + return result.set( 1 - u - v, v, u ); + + }; + + }(); + + Triangle.containsPoint = function () { + + var v1 = new Vector3(); + + return function containsPoint( point, a, b, c ) { + + var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); + + return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); + + }; + + }(); + + Triangle.prototype = { + + constructor: Triangle, + + set: function ( a, b, c ) { + + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); + + return this; + + }, + + setFromPointsAndIndices: function ( points, i0, i1, i2 ) { + + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( triangle ) { + + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); + + return this; + + }, + + area: function () { + + var v0 = new Vector3(); + var v1 = new Vector3(); + + return function area() { + + v0.subVectors( this.c, this.b ); + v1.subVectors( this.a, this.b ); + + return v0.cross( v1 ).length() * 0.5; + + }; + + }(), + + midpoint: function ( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + + }, + + normal: function ( optionalTarget ) { + + return Triangle.normal( this.a, this.b, this.c, optionalTarget ); + + }, + + plane: function ( optionalTarget ) { + + var result = optionalTarget || new Plane(); + + return result.setFromCoplanarPoints( this.a, this.b, this.c ); + + }, + + barycoordFromPoint: function ( point, optionalTarget ) { + + return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); + + }, + + containsPoint: function ( point ) { + + return Triangle.containsPoint( point, this.a, this.b, this.c ); + + }, + + closestPointToPoint: function () { + + var plane, edgeList, projectedPoint, closestPoint; + + return function closestPointToPoint( point, optionalTarget ) { + + if ( plane === undefined ) { + + plane = new Plane(); + edgeList = [ new Line3(), new Line3(), new Line3() ]; + projectedPoint = new Vector3(); + closestPoint = new Vector3(); + + } + + var result = optionalTarget || new Vector3(); + var minDistance = Infinity; + + // project the point onto the plane of the triangle + + plane.setFromCoplanarPoints( this.a, this.b, this.c ); + plane.projectPoint( point, projectedPoint ); + + // check if the projection lies within the triangle + + if( this.containsPoint( projectedPoint ) === true ) { + + // if so, this is the closest point + + result.copy( projectedPoint ); + + } else { + + // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices + + edgeList[ 0 ].set( this.a, this.b ); + edgeList[ 1 ].set( this.b, this.c ); + edgeList[ 2 ].set( this.c, this.a ); + + for( var i = 0; i < edgeList.length; i ++ ) { + + edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); + + var distance = projectedPoint.distanceToSquared( closestPoint ); + + if( distance < minDistance ) { + + minDistance = distance; + + result.copy( closestPoint ); + + } + + } + + } + + return result; + + }; + + }(), + + equals: function ( triangle ) { + + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Face3( a, b, c, normal, color, materialIndex ) { + + this.a = a; + this.b = b; + this.c = c; + + this.normal = (normal && normal.isVector3) ? normal : new Vector3(); + this.vertexNormals = Array.isArray( normal ) ? normal : []; + + this.color = (color && color.isColor) ? color : new Color(); + this.vertexColors = Array.isArray( color ) ? color : []; + + this.materialIndex = materialIndex !== undefined ? materialIndex : 0; + + } + + Face3.prototype = { + + constructor: Face3, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( source ) { + + this.a = source.a; + this.b = source.b; + this.c = source.c; + + this.normal.copy( source.normal ); + this.color.copy( source.color ); + + this.materialIndex = source.materialIndex; + + for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { + + this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); + + } + + for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { + + this.vertexColors[ i ] = source.vertexColors[ i ].clone(); + + } + + return this; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * shading: THREE.SmoothShading, + * depthTest: , + * depthWrite: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: + * } + */ + + function MeshBasicMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshBasicMaterial'; + + this.color = new Color( 0xffffff ); // emissive + + this.map = null; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + + this.lights = false; + + this.setValues( parameters ); + + } + + MeshBasicMaterial.prototype = Object.create( Material.prototype ); + MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; + + MeshBasicMaterial.prototype.isMeshBasicMaterial = true; + + MeshBasicMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function BufferAttribute( array, itemSize, normalized ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.uuid = _Math.generateUUID(); + + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; + + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + + } + + BufferAttribute.prototype = { + + constructor: BufferAttribute, + + isBufferAttribute: true, + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + }, + + setArray: function ( array ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.count = array !== undefined ? array.length / this.itemSize : 0; + this.array = array; + + }, + + setDynamic: function ( value ) { + + this.dynamic = value; + + return this; + + }, + + copy: function ( source ) { + + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + + this.dynamic = source.dynamic; + + return this; + + }, + + copyAt: function ( index1, attribute, index2 ) { + + index1 *= this.itemSize; + index2 *= attribute.itemSize; + + for ( var i = 0, l = this.itemSize; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + }, + + copyArray: function ( array ) { + + this.array.set( array ); + + return this; + + }, + + copyColorsArray: function ( colors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = colors.length; i < l; i ++ ) { + + var color = colors[ i ]; + + if ( color === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); + color = new Color(); + + } + + array[ offset ++ ] = color.r; + array[ offset ++ ] = color.g; + array[ offset ++ ] = color.b; + + } + + return this; + + }, + + copyIndicesArray: function ( indices ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = indices.length; i < l; i ++ ) { + + var index = indices[ i ]; + + array[ offset ++ ] = index.a; + array[ offset ++ ] = index.b; + array[ offset ++ ] = index.c; + + } + + return this; + + }, + + copyVector2sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); + vector = new Vector2(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + + } + + return this; + + }, + + copyVector3sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); + vector = new Vector3(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + + } + + return this; + + }, + + copyVector4sArray: function ( vectors ) { + + var array = this.array, offset = 0; + + for ( var i = 0, l = vectors.length; i < l; i ++ ) { + + var vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); + vector = new Vector4(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + array[ offset ++ ] = vector.w; + + } + + return this; + + }, + + set: function ( value, offset ) { + + if ( offset === undefined ) offset = 0; + + this.array.set( value, offset ); + + return this; + + }, + + getX: function ( index ) { + + return this.array[ index * this.itemSize ]; + + }, + + setX: function ( index, x ) { + + this.array[ index * this.itemSize ] = x; + + return this; + + }, + + getY: function ( index ) { + + return this.array[ index * this.itemSize + 1 ]; + + }, + + setY: function ( index, y ) { + + this.array[ index * this.itemSize + 1 ] = y; + + return this; + + }, + + getZ: function ( index ) { + + return this.array[ index * this.itemSize + 2 ]; + + }, + + setZ: function ( index, z ) { + + this.array[ index * this.itemSize + 2 ] = z; + + return this; + + }, + + getW: function ( index ) { + + return this.array[ index * this.itemSize + 3 ]; + + }, + + setW: function ( index, w ) { + + this.array[ index * this.itemSize + 3 ] = w; + + return this; + + }, + + setXY: function ( index, x, y ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + + return this; + + }, + + setXYZ: function ( index, x, y, z ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + + return this; + + }, + + setXYZW: function ( index, x, y, z, w ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + } + + }; + + // + + function Int8Attribute( array, itemSize ) { + + return new BufferAttribute( new Int8Array( array ), itemSize ); + + } + + function Uint8Attribute( array, itemSize ) { + + return new BufferAttribute( new Uint8Array( array ), itemSize ); + + } + + function Uint8ClampedAttribute( array, itemSize ) { + + return new BufferAttribute( new Uint8ClampedArray( array ), itemSize ); + + } + + function Int16Attribute( array, itemSize ) { + + return new BufferAttribute( new Int16Array( array ), itemSize ); + + } + + function Uint16Attribute( array, itemSize ) { + + return new BufferAttribute( new Uint16Array( array ), itemSize ); + + } + + function Int32Attribute( array, itemSize ) { + + return new BufferAttribute( new Int32Array( array ), itemSize ); + + } + + function Uint32Attribute( array, itemSize ) { + + return new BufferAttribute( new Uint32Array( array ), itemSize ); + + } + + function Float32Attribute( array, itemSize ) { + + return new BufferAttribute( new Float32Array( array ), itemSize ); + + } + + function Float64Attribute( array, itemSize ) { + + return new BufferAttribute( new Float64Array( array ), itemSize ); + + } + + // Deprecated + + function DynamicBufferAttribute( array, itemSize ) { + + console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); + return new BufferAttribute( array, itemSize ).setDynamic( true ); + + } + + /** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author bhouston / http://clara.io + */ + + function Geometry() { + + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'Geometry'; + + this.vertices = []; + this.colors = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; + + this.morphTargets = []; + this.morphNormals = []; + + this.skinWeights = []; + this.skinIndices = []; + + this.lineDistances = []; + + this.boundingBox = null; + this.boundingSphere = null; + + // update flags + + this.elementsNeedUpdate = false; + this.verticesNeedUpdate = false; + this.uvsNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.lineDistancesNeedUpdate = false; + this.groupsNeedUpdate = false; + + } + + Object.assign( Geometry.prototype, EventDispatcher.prototype, { + + isGeometry: true, + + applyMatrix: function ( matrix ) { + + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { + + var vertex = this.vertices[ i ]; + vertex.applyMatrix4( matrix ); + + } + + for ( var i = 0, il = this.faces.length; i < il; i ++ ) { + + var face = this.faces[ i ]; + face.normal.applyMatrix3( normalMatrix ).normalize(); + + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + + face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); + + } + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + this.verticesNeedUpdate = true; + this.normalsNeedUpdate = true; + + return this; + + }, + + rotateX: function () { + + // rotate geometry around world x-axis + + var m1; + + return function rotateX( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationX( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateY: function () { + + // rotate geometry around world y-axis + + var m1; + + return function rotateY( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationY( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateZ: function () { + + // rotate geometry around world z-axis + + var m1; + + return function rotateZ( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationZ( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + translate: function () { + + // translate geometry + + var m1; + + return function translate( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeTranslation( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + scale: function () { + + // scale geometry + + var m1; + + return function scale( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeScale( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + lookAt: function () { + + var obj; + + return function lookAt( vector ) { + + if ( obj === undefined ) obj = new Object3D(); + + obj.lookAt( vector ); + + obj.updateMatrix(); + + this.applyMatrix( obj.matrix ); + + }; + + }(), + + fromBufferGeometry: function ( geometry ) { + + var scope = this; + + var indices = geometry.index !== null ? geometry.index.array : undefined; + var attributes = geometry.attributes; + + var positions = attributes.position.array; + var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; + var colors = attributes.color !== undefined ? attributes.color.array : undefined; + var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; + var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; + + if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; + + var tempNormals = []; + var tempUVs = []; + var tempUVs2 = []; + + for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { + + scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); + + if ( normals !== undefined ) { + + tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); + + } + + if ( colors !== undefined ) { + + scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); + + } + + if ( uvs !== undefined ) { + + tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); + + } + + if ( uvs2 !== undefined ) { + + tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); + + } + + } + + function addFace( a, b, c, materialIndex ) { + + var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; + var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; + + var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); + + scope.faces.push( face ); + + if ( uvs !== undefined ) { + + scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); + + } + + if ( uvs2 !== undefined ) { + + scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); + + } + + } + + if ( indices !== undefined ) { + + var groups = geometry.groups; + + if ( groups.length > 0 ) { + + for ( var i = 0; i < groups.length; i ++ ) { + + var group = groups[ i ]; + + var start = group.start; + var count = group.count; + + for ( var j = start, jl = start + count; j < jl; j += 3 ) { + + addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); + + } + + } + + } else { + + for ( var i = 0; i < indices.length; i += 3 ) { + + addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); + + } + + } + + } else { + + for ( var i = 0; i < positions.length / 3; i += 3 ) { + + addFace( i, i + 1, i + 2 ); + + } + + } + + this.computeFaceNormals(); + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + return this; + + }, + + center: function () { + + this.computeBoundingBox(); + + var offset = this.boundingBox.getCenter().negate(); + + this.translate( offset.x, offset.y, offset.z ); + + return offset; + + }, + + normalize: function () { + + this.computeBoundingSphere(); + + var center = this.boundingSphere.center; + var radius = this.boundingSphere.radius; + + var s = radius === 0 ? 1 : 1.0 / radius; + + var matrix = new Matrix4(); + matrix.set( + s, 0, 0, - s * center.x, + 0, s, 0, - s * center.y, + 0, 0, s, - s * center.z, + 0, 0, 0, 1 + ); + + this.applyMatrix( matrix ); + + return this; + + }, + + computeFaceNormals: function () { + + var cb = new Vector3(), ab = new Vector3(); + + for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { + + var face = this.faces[ f ]; + + var vA = this.vertices[ face.a ]; + var vB = this.vertices[ face.b ]; + var vC = this.vertices[ face.c ]; + + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); + + cb.normalize(); + + face.normal.copy( cb ); + + } + + }, + + computeVertexNormals: function ( areaWeighted ) { + + if ( areaWeighted === undefined ) areaWeighted = true; + + var v, vl, f, fl, face, vertices; + + vertices = new Array( this.vertices.length ); + + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + + vertices[ v ] = new Vector3(); + + } + + if ( areaWeighted ) { + + // vertex normals weighted by triangle areas + // http://www.iquilezles.org/www/articles/normals/normals.htm + + var vA, vB, vC; + var cb = new Vector3(), ab = new Vector3(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + vA = this.vertices[ face.a ]; + vB = this.vertices[ face.b ]; + vC = this.vertices[ face.c ]; + + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); + + vertices[ face.a ].add( cb ); + vertices[ face.b ].add( cb ); + vertices[ face.c ].add( cb ); + + } + + } else { + + this.computeFaceNormals(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + vertices[ face.a ].add( face.normal ); + vertices[ face.b ].add( face.normal ); + vertices[ face.c ].add( face.normal ); + + } + + } + + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + + vertices[ v ].normalize(); + + } + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + vertexNormals[ 0 ].copy( vertices[ face.a ] ); + vertexNormals[ 1 ].copy( vertices[ face.b ] ); + vertexNormals[ 2 ].copy( vertices[ face.c ] ); + + } else { + + vertexNormals[ 0 ] = vertices[ face.a ].clone(); + vertexNormals[ 1 ] = vertices[ face.b ].clone(); + vertexNormals[ 2 ] = vertices[ face.c ].clone(); + + } + + } + + if ( this.faces.length > 0 ) { + + this.normalsNeedUpdate = true; + + } + + }, + + computeFlatVertexNormals: function () { + + var f, fl, face; + + this.computeFaceNormals(); + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + vertexNormals[ 0 ].copy( face.normal ); + vertexNormals[ 1 ].copy( face.normal ); + vertexNormals[ 2 ].copy( face.normal ); + + } else { + + vertexNormals[ 0 ] = face.normal.clone(); + vertexNormals[ 1 ] = face.normal.clone(); + vertexNormals[ 2 ] = face.normal.clone(); + + } + + } + + if ( this.faces.length > 0 ) { + + this.normalsNeedUpdate = true; + + } + + }, + + computeMorphNormals: function () { + + var i, il, f, fl, face; + + // save original normals + // - create temp variables on first access + // otherwise just copy (for faster repeated calls) + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + if ( ! face.__originalFaceNormal ) { + + face.__originalFaceNormal = face.normal.clone(); + + } else { + + face.__originalFaceNormal.copy( face.normal ); + + } + + if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; + + for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { + + if ( ! face.__originalVertexNormals[ i ] ) { + + face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); + + } else { + + face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); + + } + + } + + } + + // use temp geometry to compute face and vertex normals for each morph + + var tmpGeo = new Geometry(); + tmpGeo.faces = this.faces; + + for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { + + // create on first access + + if ( ! this.morphNormals[ i ] ) { + + this.morphNormals[ i ] = {}; + this.morphNormals[ i ].faceNormals = []; + this.morphNormals[ i ].vertexNormals = []; + + var dstNormalsFace = this.morphNormals[ i ].faceNormals; + var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; + + var faceNormal, vertexNormals; + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + faceNormal = new Vector3(); + vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; + + dstNormalsFace.push( faceNormal ); + dstNormalsVertex.push( vertexNormals ); + + } + + } + + var morphNormals = this.morphNormals[ i ]; + + // set vertices to morph target + + tmpGeo.vertices = this.morphTargets[ i ].vertices; + + // compute morph normals + + tmpGeo.computeFaceNormals(); + tmpGeo.computeVertexNormals(); + + // store morph normals + + var faceNormal, vertexNormals; + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + faceNormal = morphNormals.faceNormals[ f ]; + vertexNormals = morphNormals.vertexNormals[ f ]; + + faceNormal.copy( face.normal ); + + vertexNormals.a.copy( face.vertexNormals[ 0 ] ); + vertexNormals.b.copy( face.vertexNormals[ 1 ] ); + vertexNormals.c.copy( face.vertexNormals[ 2 ] ); + + } + + } + + // restore original normals + + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + + face = this.faces[ f ]; + + face.normal = face.__originalFaceNormal; + face.vertexNormals = face.__originalVertexNormals; + + } + + }, + + computeTangents: function () { + + console.warn( 'THREE.Geometry: .computeTangents() has been removed.' ); + + }, + + computeLineDistances: function () { + + var d = 0; + var vertices = this.vertices; + + for ( var i = 0, il = vertices.length; i < il; i ++ ) { + + if ( i > 0 ) { + + d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); + + } + + this.lineDistances[ i ] = d; + + } + + }, + + computeBoundingBox: function () { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + this.boundingBox.setFromPoints( this.vertices ); + + }, + + computeBoundingSphere: function () { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + this.boundingSphere.setFromPoints( this.vertices ); + + }, + + merge: function ( geometry, matrix, materialIndexOffset ) { + + if ( (geometry && geometry.isGeometry) === false ) { + + console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); + return; + + } + + var normalMatrix, + vertexOffset = this.vertices.length, + vertices1 = this.vertices, + vertices2 = geometry.vertices, + faces1 = this.faces, + faces2 = geometry.faces, + uvs1 = this.faceVertexUvs[ 0 ], + uvs2 = geometry.faceVertexUvs[ 0 ], + colors1 = this.colors, + colors2 = geometry.colors; + + if ( materialIndexOffset === undefined ) materialIndexOffset = 0; + + if ( matrix !== undefined ) { + + normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + } + + // vertices + + for ( var i = 0, il = vertices2.length; i < il; i ++ ) { + + var vertex = vertices2[ i ]; + + var vertexCopy = vertex.clone(); + + if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); + + vertices1.push( vertexCopy ); + + } + + // colors + + for ( var i = 0, il = colors2.length; i < il; i ++ ) { + + colors1.push( colors2[ i ].clone() ); + + } + + // faces + + for ( i = 0, il = faces2.length; i < il; i ++ ) { + + var face = faces2[ i ], faceCopy, normal, color, + faceVertexNormals = face.vertexNormals, + faceVertexColors = face.vertexColors; + + faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); + faceCopy.normal.copy( face.normal ); + + if ( normalMatrix !== undefined ) { + + faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); + + } + + for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { + + normal = faceVertexNormals[ j ].clone(); + + if ( normalMatrix !== undefined ) { + + normal.applyMatrix3( normalMatrix ).normalize(); + + } + + faceCopy.vertexNormals.push( normal ); + + } + + faceCopy.color.copy( face.color ); + + for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { + + color = faceVertexColors[ j ]; + faceCopy.vertexColors.push( color.clone() ); + + } + + faceCopy.materialIndex = face.materialIndex + materialIndexOffset; + + faces1.push( faceCopy ); + + } + + // uvs + + for ( i = 0, il = uvs2.length; i < il; i ++ ) { + + var uv = uvs2[ i ], uvCopy = []; + + if ( uv === undefined ) { + + continue; + + } + + for ( var j = 0, jl = uv.length; j < jl; j ++ ) { + + uvCopy.push( uv[ j ].clone() ); + + } + + uvs1.push( uvCopy ); + + } + + }, + + mergeMesh: function ( mesh ) { + + if ( (mesh && mesh.isMesh) === false ) { + + console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); + return; + + } + + mesh.matrixAutoUpdate && mesh.updateMatrix(); + + this.merge( mesh.geometry, mesh.matrix ); + + }, + + /* + * Checks for duplicate vertices with hashmap. + * Duplicated vertices are removed + * and faces' vertices are updated. + */ + + mergeVertices: function () { + + var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) + var unique = [], changes = []; + + var v, key; + var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 + var precision = Math.pow( 10, precisionPoints ); + var i, il, face; + var indices, j, jl; + + for ( i = 0, il = this.vertices.length; i < il; i ++ ) { + + v = this.vertices[ i ]; + key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); + + if ( verticesMap[ key ] === undefined ) { + + verticesMap[ key ] = i; + unique.push( this.vertices[ i ] ); + changes[ i ] = unique.length - 1; + + } else { + + //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); + changes[ i ] = changes[ verticesMap[ key ] ]; + + } + + } + + + // if faces are completely degenerate after merging vertices, we + // have to remove them from the geometry. + var faceIndicesToRemove = []; + + for ( i = 0, il = this.faces.length; i < il; i ++ ) { + + face = this.faces[ i ]; + + face.a = changes[ face.a ]; + face.b = changes[ face.b ]; + face.c = changes[ face.c ]; + + indices = [ face.a, face.b, face.c ]; + + var dupIndex = - 1; + + // if any duplicate vertices are found in a Face3 + // we have to remove the face as nothing can be saved + for ( var n = 0; n < 3; n ++ ) { + + if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { + + dupIndex = n; + faceIndicesToRemove.push( i ); + break; + + } + + } + + } + + for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { + + var idx = faceIndicesToRemove[ i ]; + + this.faces.splice( idx, 1 ); + + for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { + + this.faceVertexUvs[ j ].splice( idx, 1 ); + + } + + } + + // Use unique set of vertices + + var diff = this.vertices.length - unique.length; + this.vertices = unique; + return diff; + + }, + + sortFacesByMaterialIndex: function () { + + var faces = this.faces; + var length = faces.length; + + // tag faces + + for ( var i = 0; i < length; i ++ ) { + + faces[ i ]._id = i; + + } + + // sort faces + + function materialIndexSort( a, b ) { + + return a.materialIndex - b.materialIndex; + + } + + faces.sort( materialIndexSort ); + + // sort uvs + + var uvs1 = this.faceVertexUvs[ 0 ]; + var uvs2 = this.faceVertexUvs[ 1 ]; + + var newUvs1, newUvs2; + + if ( uvs1 && uvs1.length === length ) newUvs1 = []; + if ( uvs2 && uvs2.length === length ) newUvs2 = []; + + for ( var i = 0; i < length; i ++ ) { + + var id = faces[ i ]._id; + + if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); + if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); + + } + + if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; + if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.4, + type: 'Geometry', + generator: 'Geometry.toJSON' + } + }; + + // standard Geometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + + if ( this.parameters !== undefined ) { + + var parameters = this.parameters; + + for ( var key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + var vertices = []; + + for ( var i = 0; i < this.vertices.length; i ++ ) { + + var vertex = this.vertices[ i ]; + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + var faces = []; + var normals = []; + var normalsHash = {}; + var colors = []; + var colorsHash = {}; + var uvs = []; + var uvsHash = {}; + + for ( var i = 0; i < this.faces.length; i ++ ) { + + var face = this.faces[ i ]; + + var hasMaterial = true; + var hasFaceUv = false; // deprecated + var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; + var hasFaceNormal = face.normal.length() > 0; + var hasFaceVertexNormal = face.vertexNormals.length > 0; + var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; + var hasFaceVertexColor = face.vertexColors.length > 0; + + var faceType = 0; + + faceType = setBit( faceType, 0, 0 ); // isQuad + faceType = setBit( faceType, 1, hasMaterial ); + faceType = setBit( faceType, 2, hasFaceUv ); + faceType = setBit( faceType, 3, hasFaceVertexUv ); + faceType = setBit( faceType, 4, hasFaceNormal ); + faceType = setBit( faceType, 5, hasFaceVertexNormal ); + faceType = setBit( faceType, 6, hasFaceColor ); + faceType = setBit( faceType, 7, hasFaceVertexColor ); + + faces.push( faceType ); + faces.push( face.a, face.b, face.c ); + faces.push( face.materialIndex ); + + if ( hasFaceVertexUv ) { + + var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; + + faces.push( + getUvIndex( faceVertexUvs[ 0 ] ), + getUvIndex( faceVertexUvs[ 1 ] ), + getUvIndex( faceVertexUvs[ 2 ] ) + ); + + } + + if ( hasFaceNormal ) { + + faces.push( getNormalIndex( face.normal ) ); + + } + + if ( hasFaceVertexNormal ) { + + var vertexNormals = face.vertexNormals; + + faces.push( + getNormalIndex( vertexNormals[ 0 ] ), + getNormalIndex( vertexNormals[ 1 ] ), + getNormalIndex( vertexNormals[ 2 ] ) + ); + + } + + if ( hasFaceColor ) { + + faces.push( getColorIndex( face.color ) ); + + } + + if ( hasFaceVertexColor ) { + + var vertexColors = face.vertexColors; + + faces.push( + getColorIndex( vertexColors[ 0 ] ), + getColorIndex( vertexColors[ 1 ] ), + getColorIndex( vertexColors[ 2 ] ) + ); + + } + + } + + function setBit( value, position, enabled ) { + + return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); + + } + + function getNormalIndex( normal ) { + + var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); + + if ( normalsHash[ hash ] !== undefined ) { + + return normalsHash[ hash ]; + + } + + normalsHash[ hash ] = normals.length / 3; + normals.push( normal.x, normal.y, normal.z ); + + return normalsHash[ hash ]; + + } + + function getColorIndex( color ) { + + var hash = color.r.toString() + color.g.toString() + color.b.toString(); + + if ( colorsHash[ hash ] !== undefined ) { + + return colorsHash[ hash ]; + + } + + colorsHash[ hash ] = colors.length; + colors.push( color.getHex() ); + + return colorsHash[ hash ]; + + } + + function getUvIndex( uv ) { + + var hash = uv.x.toString() + uv.y.toString(); + + if ( uvsHash[ hash ] !== undefined ) { + + return uvsHash[ hash ]; + + } + + uvsHash[ hash ] = uvs.length / 2; + uvs.push( uv.x, uv.y ); + + return uvsHash[ hash ]; + + } + + data.data = {}; + + data.data.vertices = vertices; + data.data.normals = normals; + if ( colors.length > 0 ) data.data.colors = colors; + if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility + data.data.faces = faces; + + return data; + + }, + + clone: function () { + + /* + // Handle primitives + + var parameters = this.parameters; + + if ( parameters !== undefined ) { + + var values = []; + + for ( var key in parameters ) { + + values.push( parameters[ key ] ); + + } + + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; + + } + + return new this.constructor().copy( this ); + */ + + return new Geometry().copy( this ); + + }, + + copy: function ( source ) { + + this.vertices = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; + this.colors = []; + + var vertices = source.vertices; + + for ( var i = 0, il = vertices.length; i < il; i ++ ) { + + this.vertices.push( vertices[ i ].clone() ); + + } + + var colors = source.colors; + + for ( var i = 0, il = colors.length; i < il; i ++ ) { + + this.colors.push( colors[ i ].clone() ); + + } + + var faces = source.faces; + + for ( var i = 0, il = faces.length; i < il; i ++ ) { + + this.faces.push( faces[ i ].clone() ); + + } + + for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { + + var faceVertexUvs = source.faceVertexUvs[ i ]; + + if ( this.faceVertexUvs[ i ] === undefined ) { + + this.faceVertexUvs[ i ] = []; + + } + + for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { + + var uvs = faceVertexUvs[ j ], uvsCopy = []; + + for ( var k = 0, kl = uvs.length; k < kl; k ++ ) { + + var uv = uvs[ k ]; + + uvsCopy.push( uv.clone() ); + + } + + this.faceVertexUvs[ i ].push( uvsCopy ); + + } + + } + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + } ); + + var count$3 = 0; + function GeometryIdCount() { return count$3++; } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function DirectGeometry() { + + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'DirectGeometry'; + + this.indices = []; + this.vertices = []; + this.normals = []; + this.colors = []; + this.uvs = []; + this.uvs2 = []; + + this.groups = []; + + this.morphTargets = {}; + + this.skinWeights = []; + this.skinIndices = []; + + // this.lineDistances = []; + + this.boundingBox = null; + this.boundingSphere = null; + + // update flags + + this.verticesNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.uvsNeedUpdate = false; + this.groupsNeedUpdate = false; + + } + + Object.assign( DirectGeometry.prototype, EventDispatcher.prototype, { + + computeBoundingBox: Geometry.prototype.computeBoundingBox, + computeBoundingSphere: Geometry.prototype.computeBoundingSphere, + + computeFaceNormals: function () { + + console.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' ); + + }, + + computeVertexNormals: function () { + + console.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' ); + + }, + + computeGroups: function ( geometry ) { + + var group; + var groups = []; + var materialIndex; + + var faces = geometry.faces; + + for ( var i = 0; i < faces.length; i ++ ) { + + var face = faces[ i ]; + + // materials + + if ( face.materialIndex !== materialIndex ) { + + materialIndex = face.materialIndex; + + if ( group !== undefined ) { + + group.count = ( i * 3 ) - group.start; + groups.push( group ); + + } + + group = { + start: i * 3, + materialIndex: materialIndex + }; + + } + + } + + if ( group !== undefined ) { + + group.count = ( i * 3 ) - group.start; + groups.push( group ); + + } + + this.groups = groups; + + }, + + fromGeometry: function ( geometry ) { + + var faces = geometry.faces; + var vertices = geometry.vertices; + var faceVertexUvs = geometry.faceVertexUvs; + + var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; + var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; + + // morphs + + var morphTargets = geometry.morphTargets; + var morphTargetsLength = morphTargets.length; + + var morphTargetsPosition; + + if ( morphTargetsLength > 0 ) { + + morphTargetsPosition = []; + + for ( var i = 0; i < morphTargetsLength; i ++ ) { + + morphTargetsPosition[ i ] = []; + + } + + this.morphTargets.position = morphTargetsPosition; + + } + + var morphNormals = geometry.morphNormals; + var morphNormalsLength = morphNormals.length; + + var morphTargetsNormal; + + if ( morphNormalsLength > 0 ) { + + morphTargetsNormal = []; + + for ( var i = 0; i < morphNormalsLength; i ++ ) { + + morphTargetsNormal[ i ] = []; + + } + + this.morphTargets.normal = morphTargetsNormal; + + } + + // skins + + var skinIndices = geometry.skinIndices; + var skinWeights = geometry.skinWeights; + + var hasSkinIndices = skinIndices.length === vertices.length; + var hasSkinWeights = skinWeights.length === vertices.length; + + // + + for ( var i = 0; i < faces.length; i ++ ) { + + var face = faces[ i ]; + + this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); + + var vertexNormals = face.vertexNormals; + + if ( vertexNormals.length === 3 ) { + + this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); + + } else { + + var normal = face.normal; + + this.normals.push( normal, normal, normal ); + + } + + var vertexColors = face.vertexColors; + + if ( vertexColors.length === 3 ) { + + this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); + + } else { + + var color = face.color; + + this.colors.push( color, color, color ); + + } + + if ( hasFaceVertexUv === true ) { + + var vertexUvs = faceVertexUvs[ 0 ][ i ]; + + if ( vertexUvs !== undefined ) { + + this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + + } else { + + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); + + this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); + + } + + } + + if ( hasFaceVertexUv2 === true ) { + + var vertexUvs = faceVertexUvs[ 1 ][ i ]; + + if ( vertexUvs !== undefined ) { + + this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + + } else { + + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); + + this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); + + } + + } + + // morphs + + for ( var j = 0; j < morphTargetsLength; j ++ ) { + + var morphTarget = morphTargets[ j ].vertices; + + morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); + + } + + for ( var j = 0; j < morphNormalsLength; j ++ ) { + + var morphNormal = morphNormals[ j ].vertexNormals[ i ]; + + morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c ); + + } + + // skins + + if ( hasSkinIndices ) { + + this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); + + } + + if ( hasSkinWeights ) { + + this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); + + } + + } + + this.computeGroups( geometry ); + + this.verticesNeedUpdate = geometry.verticesNeedUpdate; + this.normalsNeedUpdate = geometry.normalsNeedUpdate; + this.colorsNeedUpdate = geometry.colorsNeedUpdate; + this.uvsNeedUpdate = geometry.uvsNeedUpdate; + this.groupsNeedUpdate = geometry.groupsNeedUpdate; + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + function BufferGeometry() { + + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + + this.uuid = _Math.generateUUID(); + + this.name = ''; + this.type = 'BufferGeometry'; + + this.index = null; + this.attributes = {}; + + this.morphAttributes = {}; + + this.groups = []; + + this.boundingBox = null; + this.boundingSphere = null; + + this.drawRange = { start: 0, count: Infinity }; + + } + + Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, { + + isBufferGeometry: true, + + getIndex: function () { + + return this.index; + + }, + + setIndex: function ( index ) { + + this.index = index; + + }, + + addAttribute: function ( name, attribute ) { + + if ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) { + + console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + + this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + + return; + + } + + if ( name === 'index' ) { + + console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); + this.setIndex( attribute ); + + return; + + } + + this.attributes[ name ] = attribute; + + return this; + + }, + + getAttribute: function ( name ) { + + return this.attributes[ name ]; + + }, + + removeAttribute: function ( name ) { + + delete this.attributes[ name ]; + + return this; + + }, + + addGroup: function ( start, count, materialIndex ) { + + this.groups.push( { + + start: start, + count: count, + materialIndex: materialIndex !== undefined ? materialIndex : 0 + + } ); + + }, + + clearGroups: function () { + + this.groups = []; + + }, + + setDrawRange: function ( start, count ) { + + this.drawRange.start = start; + this.drawRange.count = count; + + }, + + applyMatrix: function ( matrix ) { + + var position = this.attributes.position; + + if ( position !== undefined ) { + + matrix.applyToVector3Array( position.array ); + position.needsUpdate = true; + + } + + var normal = this.attributes.normal; + + if ( normal !== undefined ) { + + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + normalMatrix.applyToVector3Array( normal.array ); + normal.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + }, + + rotateX: function () { + + // rotate geometry around world x-axis + + var m1; + + return function rotateX( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationX( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateY: function () { + + // rotate geometry around world y-axis + + var m1; + + return function rotateY( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationY( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + rotateZ: function () { + + // rotate geometry around world z-axis + + var m1; + + return function rotateZ( angle ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeRotationZ( angle ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + translate: function () { + + // translate geometry + + var m1; + + return function translate( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeTranslation( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + scale: function () { + + // scale geometry + + var m1; + + return function scale( x, y, z ) { + + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeScale( x, y, z ); + + this.applyMatrix( m1 ); + + return this; + + }; + + }(), + + lookAt: function () { + + var obj; + + return function lookAt( vector ) { + + if ( obj === undefined ) obj = new Object3D(); + + obj.lookAt( vector ); + + obj.updateMatrix(); + + this.applyMatrix( obj.matrix ); + + }; + + }(), + + center: function () { + + this.computeBoundingBox(); + + var offset = this.boundingBox.getCenter().negate(); + + this.translate( offset.x, offset.y, offset.z ); + + return offset; + + }, + + setFromObject: function ( object ) { + + // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); + + var geometry = object.geometry; + + if ( (object && object.isPoints) || (object && object.isLine) ) { + + var positions = new Float32Attribute( geometry.vertices.length * 3, 3 ); + var colors = new Float32Attribute( geometry.colors.length * 3, 3 ); + + this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); + this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); + + if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { + + var lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 ); + + this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); + + } + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + } else if ( (object && object.isMesh) ) { + + if ( (geometry && geometry.isGeometry) ) { + + this.fromGeometry( geometry ); + + } + + } + + return this; + + }, + + updateFromObject: function ( object ) { + + var geometry = object.geometry; + + if ( (object && object.isMesh) ) { + + var direct = geometry.__directGeometry; + + if ( geometry.elementsNeedUpdate === true ) { + + direct = undefined; + geometry.elementsNeedUpdate = false; + + } + + if ( direct === undefined ) { + + return this.fromGeometry( geometry ); + + } + + direct.verticesNeedUpdate = geometry.verticesNeedUpdate; + direct.normalsNeedUpdate = geometry.normalsNeedUpdate; + direct.colorsNeedUpdate = geometry.colorsNeedUpdate; + direct.uvsNeedUpdate = geometry.uvsNeedUpdate; + direct.groupsNeedUpdate = geometry.groupsNeedUpdate; + + geometry.verticesNeedUpdate = false; + geometry.normalsNeedUpdate = false; + geometry.colorsNeedUpdate = false; + geometry.uvsNeedUpdate = false; + geometry.groupsNeedUpdate = false; + + geometry = direct; + + } + + var attribute; + + if ( geometry.verticesNeedUpdate === true ) { + + attribute = this.attributes.position; + + if ( attribute !== undefined ) { + + attribute.copyVector3sArray( geometry.vertices ); + attribute.needsUpdate = true; + + } + + geometry.verticesNeedUpdate = false; + + } + + if ( geometry.normalsNeedUpdate === true ) { + + attribute = this.attributes.normal; + + if ( attribute !== undefined ) { + + attribute.copyVector3sArray( geometry.normals ); + attribute.needsUpdate = true; + + } + + geometry.normalsNeedUpdate = false; + + } + + if ( geometry.colorsNeedUpdate === true ) { + + attribute = this.attributes.color; + + if ( attribute !== undefined ) { + + attribute.copyColorsArray( geometry.colors ); + attribute.needsUpdate = true; + + } + + geometry.colorsNeedUpdate = false; + + } + + if ( geometry.uvsNeedUpdate ) { + + attribute = this.attributes.uv; + + if ( attribute !== undefined ) { + + attribute.copyVector2sArray( geometry.uvs ); + attribute.needsUpdate = true; + + } + + geometry.uvsNeedUpdate = false; + + } + + if ( geometry.lineDistancesNeedUpdate ) { + + attribute = this.attributes.lineDistance; + + if ( attribute !== undefined ) { + + attribute.copyArray( geometry.lineDistances ); + attribute.needsUpdate = true; + + } + + geometry.lineDistancesNeedUpdate = false; + + } + + if ( geometry.groupsNeedUpdate ) { + + geometry.computeGroups( object.geometry ); + this.groups = geometry.groups; + + geometry.groupsNeedUpdate = false; + + } + + return this; + + }, + + fromGeometry: function ( geometry ) { + + geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); + + return this.fromDirectGeometry( geometry.__directGeometry ); + + }, + + fromDirectGeometry: function ( geometry ) { + + var positions = new Float32Array( geometry.vertices.length * 3 ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); + + if ( geometry.normals.length > 0 ) { + + var normals = new Float32Array( geometry.normals.length * 3 ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); + + } + + if ( geometry.colors.length > 0 ) { + + var colors = new Float32Array( geometry.colors.length * 3 ); + this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); + + } + + if ( geometry.uvs.length > 0 ) { + + var uvs = new Float32Array( geometry.uvs.length * 2 ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); + + } + + if ( geometry.uvs2.length > 0 ) { + + var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); + this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); + + } + + if ( geometry.indices.length > 0 ) { + + var TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array; + var indices = new TypeArray( geometry.indices.length * 3 ); + this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); + + } + + // groups + + this.groups = geometry.groups; + + // morphs + + for ( var name in geometry.morphTargets ) { + + var array = []; + var morphTargets = geometry.morphTargets[ name ]; + + for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { + + var morphTarget = morphTargets[ i ]; + + var attribute = new Float32Attribute( morphTarget.length * 3, 3 ); + + array.push( attribute.copyVector3sArray( morphTarget ) ); + + } + + this.morphAttributes[ name ] = array; + + } + + // skinning + + if ( geometry.skinIndices.length > 0 ) { + + var skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 ); + this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); + + } + + if ( geometry.skinWeights.length > 0 ) { + + var skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 ); + this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); + + } + + // + + if ( geometry.boundingSphere !== null ) { + + this.boundingSphere = geometry.boundingSphere.clone(); + + } + + if ( geometry.boundingBox !== null ) { + + this.boundingBox = geometry.boundingBox.clone(); + + } + + return this; + + }, + + computeBoundingBox: function () { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + var positions = this.attributes.position.array; + + if ( positions !== undefined ) { + + this.boundingBox.setFromArray( positions ); + + } else { + + this.boundingBox.makeEmpty(); + + } + + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + + } + + }, + + computeBoundingSphere: function () { + + var box = new Box3(); + var vector = new Vector3(); + + return function computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + var positions = this.attributes.position; + + if ( positions ) { + + var array = positions.array; + var center = this.boundingSphere.center; + + box.setFromArray( array ); + box.getCenter( center ); + + // hoping to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + + var maxRadiusSq = 0; + + for ( var i = 0, il = array.length; i < il; i += 3 ) { + + vector.fromArray( array, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); + + } + + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + + if ( isNaN( this.boundingSphere.radius ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + }; + + }(), + + computeFaceNormals: function () { + + // backwards compatibility + + }, + + computeVertexNormals: function () { + + var index = this.index; + var attributes = this.attributes; + var groups = this.groups; + + if ( attributes.position ) { + + var positions = attributes.position.array; + + if ( attributes.normal === undefined ) { + + this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); + + } else { + + // reset existing normals to zero + + var array = attributes.normal.array; + + for ( var i = 0, il = array.length; i < il; i ++ ) { + + array[ i ] = 0; + + } + + } + + var normals = attributes.normal.array; + + var vA, vB, vC, + + pA = new Vector3(), + pB = new Vector3(), + pC = new Vector3(), + + cb = new Vector3(), + ab = new Vector3(); + + // indexed elements + + if ( index ) { + + var indices = index.array; + + if ( groups.length === 0 ) { + + this.addGroup( 0, indices.length ); + + } + + for ( var j = 0, jl = groups.length; j < jl; ++ j ) { + + var group = groups[ j ]; + + var start = group.start; + var count = group.count; + + for ( var i = start, il = start + count; i < il; i += 3 ) { + + vA = indices[ i + 0 ] * 3; + vB = indices[ i + 1 ] * 3; + vC = indices[ i + 2 ] * 3; + + pA.fromArray( positions, vA ); + pB.fromArray( positions, vB ); + pC.fromArray( positions, vC ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normals[ vA ] += cb.x; + normals[ vA + 1 ] += cb.y; + normals[ vA + 2 ] += cb.z; + + normals[ vB ] += cb.x; + normals[ vB + 1 ] += cb.y; + normals[ vB + 2 ] += cb.z; + + normals[ vC ] += cb.x; + normals[ vC + 1 ] += cb.y; + normals[ vC + 2 ] += cb.z; + + } + + } + + } else { + + // non-indexed elements (unconnected triangle soup) + + for ( var i = 0, il = positions.length; i < il; i += 9 ) { + + pA.fromArray( positions, i ); + pB.fromArray( positions, i + 3 ); + pC.fromArray( positions, i + 6 ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normals[ i ] = cb.x; + normals[ i + 1 ] = cb.y; + normals[ i + 2 ] = cb.z; + + normals[ i + 3 ] = cb.x; + normals[ i + 4 ] = cb.y; + normals[ i + 5 ] = cb.z; + + normals[ i + 6 ] = cb.x; + normals[ i + 7 ] = cb.y; + normals[ i + 8 ] = cb.z; + + } + + } + + this.normalizeNormals(); + + attributes.normal.needsUpdate = true; + + } + + }, + + merge: function ( geometry, offset ) { + + if ( (geometry && geometry.isBufferGeometry) === false ) { + + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; + + } + + if ( offset === undefined ) offset = 0; + + var attributes = this.attributes; + + for ( var key in attributes ) { + + if ( geometry.attributes[ key ] === undefined ) continue; + + var attribute1 = attributes[ key ]; + var attributeArray1 = attribute1.array; + + var attribute2 = geometry.attributes[ key ]; + var attributeArray2 = attribute2.array; + + var attributeSize = attribute2.itemSize; + + for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { + + attributeArray1[ j ] = attributeArray2[ i ]; + + } + + } + + return this; + + }, + + normalizeNormals: function () { + + var normals = this.attributes.normal.array; + + var x, y, z, n; + + for ( var i = 0, il = normals.length; i < il; i += 3 ) { + + x = normals[ i ]; + y = normals[ i + 1 ]; + z = normals[ i + 2 ]; + + n = 1.0 / Math.sqrt( x * x + y * y + z * z ); + + normals[ i ] *= n; + normals[ i + 1 ] *= n; + normals[ i + 2 ] *= n; + + } + + }, + + toNonIndexed: function () { + + if ( this.index === null ) { + + console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); + return this; + + } + + var geometry2 = new BufferGeometry(); + + var indices = this.index.array; + var attributes = this.attributes; + + for ( var name in attributes ) { + + var attribute = attributes[ name ]; + + var array = attribute.array; + var itemSize = attribute.itemSize; + + var array2 = new array.constructor( indices.length * itemSize ); + + var index = 0, index2 = 0; + + for ( var i = 0, l = indices.length; i < l; i ++ ) { + + index = indices[ i ] * itemSize; + + for ( var j = 0; j < itemSize; j ++ ) { + + array2[ index2 ++ ] = array[ index ++ ]; + + } + + } + + geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); + + } + + return geometry2; + + }, + + toJSON: function () { + + var data = { + metadata: { + version: 4.4, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + + // standard BufferGeometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + + if ( this.parameters !== undefined ) { + + var parameters = this.parameters; + + for ( var key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + data.data = { attributes: {} }; + + var index = this.index; + + if ( index !== null ) { + + var array = Array.prototype.slice.call( index.array ); + + data.data.index = { + type: index.array.constructor.name, + array: array + }; + + } + + var attributes = this.attributes; + + for ( var key in attributes ) { + + var attribute = attributes[ key ]; + + var array = Array.prototype.slice.call( attribute.array ); + + data.data.attributes[ key ] = { + itemSize: attribute.itemSize, + type: attribute.array.constructor.name, + array: array, + normalized: attribute.normalized + }; + + } + + var groups = this.groups; + + if ( groups.length > 0 ) { + + data.data.groups = JSON.parse( JSON.stringify( groups ) ); + + } + + var boundingSphere = this.boundingSphere; + + if ( boundingSphere !== null ) { + + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; + + } + + return data; + + }, + + clone: function () { + + /* + // Handle primitives + + var parameters = this.parameters; + + if ( parameters !== undefined ) { + + var values = []; + + for ( var key in parameters ) { + + values.push( parameters[ key ] ); + + } + + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; + + } + + return new this.constructor().copy( this ); + */ + + return new BufferGeometry().copy( this ); + + }, + + copy: function ( source ) { + + var index = source.index; + + if ( index !== null ) { + + this.setIndex( index.clone() ); + + } + + var attributes = source.attributes; + + for ( var name in attributes ) { + + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); + + } + + var groups = source.groups; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + + } + + return this; + + }, + + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + } ); + + BufferGeometry.MaxIndex = 65535; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author jonobr1 / http://jonobr1.com/ + */ + + function Mesh( geometry, material ) { + + Object3D.call( this ); + + this.type = 'Mesh'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); + + this.drawMode = TrianglesDrawMode; + + this.updateMorphTargets(); + + } + + Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Mesh, + + isMesh: true, + + setDrawMode: function ( value ) { + + this.drawMode = value; + + }, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.drawMode = source.drawMode; + + return this; + + }, + + updateMorphTargets: function () { + + var morphTargets = this.geometry.morphTargets; + + if ( morphTargets !== undefined && morphTargets.length > 0 ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ morphTargets[ m ].name ] = m; + + } + + } + + }, + + raycast: ( function () { + + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); + + var vA = new Vector3(); + var vB = new Vector3(); + var vC = new Vector3(); + + var tempA = new Vector3(); + var tempB = new Vector3(); + var tempC = new Vector3(); + + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); + + var barycoord = new Vector3(); + + var intersectionPoint = new Vector3(); + var intersectionPointWorld = new Vector3(); + + function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { + + Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); + + uv1.multiplyScalar( barycoord.x ); + uv2.multiplyScalar( barycoord.y ); + uv3.multiplyScalar( barycoord.z ); + + uv1.add( uv2 ).add( uv3 ); + + return uv1.clone(); + + } + + function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { + + var intersect; + var material = object.material; + + if ( material.side === BackSide ) { + + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + + } else { + + intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); + + } + + if ( intersect === null ) return null; + + intersectionPointWorld.copy( point ); + intersectionPointWorld.applyMatrix4( object.matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld ); + + if ( distance < raycaster.near || distance > raycaster.far ) return null; + + return { + distance: distance, + point: intersectionPointWorld.clone(), + object: object + }; + + } + + function checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) { + + vA.fromArray( positions, a * 3 ); + vB.fromArray( positions, b * 3 ); + vC.fromArray( positions, c * 3 ); + + var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); + + if ( intersection ) { + + if ( uvs ) { + + uvA.fromArray( uvs, a * 2 ); + uvB.fromArray( uvs, b * 2 ); + uvC.fromArray( uvs, c * 2 ); + + intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); + + } + + intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); + intersection.faceIndex = a; + + } + + return intersection; + + } + + return function raycast( raycaster, intersects ) { + + var geometry = this.geometry; + var material = this.material; + var matrixWorld = this.matrixWorld; + + if ( material === undefined ) return; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + + // + + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + + // Check boundingBox before continuing + + if ( geometry.boundingBox !== null ) { + + if ( ray.intersectsBox( geometry.boundingBox ) === false ) return; + + } + + var uvs, intersection; + + if ( (geometry && geometry.isBufferGeometry) ) { + + var a, b, c; + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; + + if ( attributes.uv !== undefined ) { + + uvs = attributes.uv.array; + + } + + if ( index !== null ) { + + var indices = index.array; + + for ( var i = 0, l = indices.length; i < l; i += 3 ) { + + a = indices[ i ]; + b = indices[ i + 1 ]; + c = indices[ i + 2 ]; + + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics + intersects.push( intersection ); + + } + + } + + } else { + + + for ( var i = 0, l = positions.length; i < l; i += 9 ) { + + a = i / 3; + b = a + 1; + c = a + 2; + + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + + if ( intersection ) { + + intersection.index = a; // triangle number in positions buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } else if ( (geometry && geometry.isGeometry) ) { + + var fvA, fvB, fvC; + var isFaceMaterial = (material && material.isMultiMaterial); + var materials = isFaceMaterial === true ? material.materials : null; + + var vertices = geometry.vertices; + var faces = geometry.faces; + var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; + if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; + + for ( var f = 0, fl = faces.length; f < fl; f ++ ) { + + var face = faces[ f ]; + var faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material; + + if ( faceMaterial === undefined ) continue; + + fvA = vertices[ face.a ]; + fvB = vertices[ face.b ]; + fvC = vertices[ face.c ]; + + if ( faceMaterial.morphTargets === true ) { + + var morphTargets = geometry.morphTargets; + var morphInfluences = this.morphTargetInfluences; + + vA.set( 0, 0, 0 ); + vB.set( 0, 0, 0 ); + vC.set( 0, 0, 0 ); + + for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { + + var influence = morphInfluences[ t ]; + + if ( influence === 0 ) continue; + + var targets = morphTargets[ t ].vertices; + + vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); + vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); + vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); + + } + + vA.add( fvA ); + vB.add( fvB ); + vC.add( fvC ); + + fvA = vA; + fvB = vB; + fvC = vC; + + } + + intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); + + if ( intersection ) { + + if ( uvs ) { + + var uvs_f = uvs[ f ]; + uvA.copy( uvs_f[ 0 ] ); + uvB.copy( uvs_f[ 1 ] ); + uvC.copy( uvs_f[ 2 ] ); + + intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); + + } + + intersection.face = face; + intersection.faceIndex = f; + intersects.push( intersection ); + + } + + } + + } + + }; + + }() ), + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + + } ); + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + + BufferGeometry.call( this ); + + this.type = 'BoxBufferGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + var scope = this; + + // segments + widthSegments = Math.floor( widthSegments ) || 1; + heightSegments = Math.floor( heightSegments ) || 1; + depthSegments = Math.floor( depthSegments ) || 1; + + // these are used to calculate buffer length + var vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments ); + var indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments ); + + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); + + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; + var numberOfVertices = 0; + + // group variables + var groupStart = 0; + + // build each side of the box geometry + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + + // helper functions + + function calculateVertexCount( w, h, d ) { + + var vertices = 0; + + // calculate the amount of vertices for each side (plane) + vertices += (w + 1) * (h + 1) * 2; // xy + vertices += (w + 1) * (d + 1) * 2; // xz + vertices += (d + 1) * (h + 1) * 2; // zy + + return vertices; + + } + + function calculateIndexCount( w, h, d ) { + + var index = 0; + + // calculate the amount of squares for each side + index += w * h * 2; // xy + index += w * d * 2; // xz + index += d * h * 2; // zy + + return index * 6; // two triangles per square => six vertices per square + + } + + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + + var segmentWidth = width / gridX; + var segmentHeight = height / gridY; + + var widthHalf = width / 2; + var heightHalf = height / 2; + var depthHalf = depth / 2; + + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; + + var vertexCounter = 0; + var groupCount = 0; + + var vector = new Vector3(); + + // generate vertices, normals and uvs + + for ( var iy = 0; iy < gridY1; iy ++ ) { + + var y = iy * segmentHeight - heightHalf; + + for ( var ix = 0; ix < gridX1; ix ++ ) { + + var x = ix * segmentWidth - widthHalf; + + // set values to correct vector component + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; + + // now apply vector to vertex buffer + vertices[ vertexBufferOffset ] = vector.x; + vertices[ vertexBufferOffset + 1 ] = vector.y; + vertices[ vertexBufferOffset + 2 ] = vector.z; + + // set values to correct vector component + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; + + // now apply vector to normal buffer + normals[ vertexBufferOffset ] = vector.x; + normals[ vertexBufferOffset + 1 ] = vector.y; + normals[ vertexBufferOffset + 2 ] = vector.z; + + // uvs + uvs[ uvBufferOffset ] = ix / gridX; + uvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY ); + + // update offsets and counters + vertexBufferOffset += 3; + uvBufferOffset += 2; + vertexCounter += 1; + + } + + } + + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment + + for ( iy = 0; iy < gridY; iy ++ ) { + + for ( ix = 0; ix < gridX; ix ++ ) { + + // indices + var a = numberOfVertices + ix + gridX1 * iy; + var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; + + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; + + // update offsets and counters + indexBufferOffset += 6; + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, materialIndex ); + + // calculate new start value for groups + groupStart += groupCount; + + // update total number of vertices + numberOfVertices += vertexCounter; + + } + + } + + BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ + + function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { + + BufferGeometry.call( this ); + + this.type = 'PlaneBufferGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + var width_half = width / 2; + var height_half = height / 2; + + var gridX = Math.floor( widthSegments ) || 1; + var gridY = Math.floor( heightSegments ) || 1; + + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; + + var segment_width = width / gridX; + var segment_height = height / gridY; + + var vertices = new Float32Array( gridX1 * gridY1 * 3 ); + var normals = new Float32Array( gridX1 * gridY1 * 3 ); + var uvs = new Float32Array( gridX1 * gridY1 * 2 ); + + var offset = 0; + var offset2 = 0; + + for ( var iy = 0; iy < gridY1; iy ++ ) { + + var y = iy * segment_height - height_half; + + for ( var ix = 0; ix < gridX1; ix ++ ) { + + var x = ix * segment_width - width_half; + + vertices[ offset ] = x; + vertices[ offset + 1 ] = - y; + + normals[ offset + 2 ] = 1; + + uvs[ offset2 ] = ix / gridX; + uvs[ offset2 + 1 ] = 1 - ( iy / gridY ); + + offset += 3; + offset2 += 2; + + } + + } + + offset = 0; + + var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 ); + + for ( var iy = 0; iy < gridY; iy ++ ) { + + for ( var ix = 0; ix < gridX; ix ++ ) { + + var a = ix + gridX1 * iy; + var b = ix + gridX1 * ( iy + 1 ); + var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = ( ix + 1 ) + gridX1 * iy; + + indices[ offset ] = a; + indices[ offset + 1 ] = b; + indices[ offset + 2 ] = d; + + indices[ offset + 3 ] = b; + indices[ offset + 4 ] = c; + indices[ offset + 5 ] = d; + + offset += 6; + + } + + } + + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + + } + + PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author WestLangley / http://github.com/WestLangley + */ + + function Camera() { + + Object3D.call( this ); + + this.type = 'Camera'; + + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); + + } + + Camera.prototype = Object.create( Object3D.prototype ); + Camera.prototype.constructor = Camera; + + Camera.prototype.isCamera = true; + + Camera.prototype.getWorldDirection = function () { + + var quaternion = new Quaternion(); + + return function getWorldDirection( optionalTarget ) { + + var result = optionalTarget || new Vector3(); + + this.getWorldQuaternion( quaternion ); + + return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + + }; + + }(); + + Camera.prototype.lookAt = function () { + + // This routine does not support cameras with rotated and/or translated parent(s) + + var m1 = new Matrix4(); + + return function lookAt( vector ) { + + m1.lookAt( this.position, vector, this.up ); + + this.quaternion.setFromRotationMatrix( m1 ); + + }; + + }(); + + Camera.prototype.clone = function () { + + return new this.constructor().copy( this ); + + }; + + Camera.prototype.copy = function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + this.projectionMatrix.copy( source.projectionMatrix ); + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author greggman / http://games.greggman.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author tschw + */ + + function PerspectiveCamera( fov, aspect, near, far ) { + + Camera.call( this ); + + this.type = 'PerspectiveCamera'; + + this.fov = fov !== undefined ? fov : 50; + this.zoom = 1; + + this.near = near !== undefined ? near : 0.1; + this.far = far !== undefined ? far : 2000; + this.focus = 10; + + this.aspect = aspect !== undefined ? aspect : 1; + this.view = null; + + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) + + this.updateProjectionMatrix(); + + } + + PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + + constructor: PerspectiveCamera, + + isPerspectiveCamera: true, + + copy: function ( source ) { + + Camera.prototype.copy.call( this, source ); + + this.fov = source.fov; + this.zoom = source.zoom; + + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + + return this; + + }, + + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength: function ( focalLength ) { + + // see http://www.bobatkins.com/photography/technical/field_of_view.html + var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + + this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + + }, + + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength: function () { + + var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); + + return 0.5 * this.getFilmHeight() / vExtentSlope; + + }, + + getEffectiveFOV: function () { + + return _Math.RAD2DEG * 2 * Math.atan( + Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); + + }, + + getFilmWidth: function () { + + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); + + }, + + getFilmHeight: function () { + + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); + + }, + + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * var w = 1920; + * var h = 1080; + * var fullWidth = w * 3; + * var fullHeight = h * 2; + * + * --A-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { + + this.aspect = fullWidth / fullHeight; + + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function() { + + this.view = null; + this.updateProjectionMatrix(); + + }, + + updateProjectionMatrix: function () { + + var near = this.near, + top = near * Math.tan( + _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, + height = 2 * top, + width = this.aspect * height, + left = - 0.5 * width, + view = this.view; + + if ( view !== null ) { + + var fullWidth = view.fullWidth, + fullHeight = view.fullHeight; + + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + + } + + var skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + + this.projectionMatrix.makeFrustum( + left, left + width, top - height, top, near, this.far ); + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.fov = this.fov; + data.object.zoom = this.zoom; + + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + + data.object.aspect = this.aspect; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + + return data; + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + * @author arose / http://github.com/arose + */ + + function OrthographicCamera( left, right, top, bottom, near, far ) { + + Camera.call( this ); + + this.type = 'OrthographicCamera'; + + this.zoom = 1; + this.view = null; + + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + + this.near = ( near !== undefined ) ? near : 0.1; + this.far = ( far !== undefined ) ? far : 2000; + + this.updateProjectionMatrix(); + + } + + OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + + constructor: OrthographicCamera, + + isOrthographicCamera: true, + + copy: function ( source ) { + + Camera.prototype.copy.call( this, source ); + + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + return this; + + }, + + setViewOffset: function( fullWidth, fullHeight, x, y, width, height ) { + + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; + + this.updateProjectionMatrix(); + + }, + + clearViewOffset: function() { + + this.view = null; + this.updateProjectionMatrix(); + + }, + + updateProjectionMatrix: function () { + + var dx = ( this.right - this.left ) / ( 2 * this.zoom ); + var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + var cx = ( this.right + this.left ) / 2; + var cy = ( this.top + this.bottom ) / 2; + + var left = cx - dx; + var right = cx + dx; + var top = cy + dy; + var bottom = cy - dy; + + if ( this.view !== null ) { + + var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); + var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); + var scaleW = ( this.right - this.left ) / this.view.width; + var scaleH = ( this.top - this.bottom ) / this.view.height; + + left += scaleW * ( this.view.offsetX / zoomW ); + right = left + scaleW * ( this.view.width / zoomW ); + top -= scaleH * ( this.view.offsetY / zoomH ); + bottom = top - scaleH * ( this.view.height / zoomH ); + + } + + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + return data; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { + + var mode; + + function setMode( value ) { + + mode = value; + + } + + var type, size; + + function setIndex( index ) { + + if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { + + type = gl.UNSIGNED_INT; + size = 4; + + } else { + + type = gl.UNSIGNED_SHORT; + size = 2; + + } + + } + + function render( start, count ) { + + gl.drawElements( mode, count, type, start * size ); + + infoRender.calls ++; + infoRender.vertices += count; + + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + + } + + function renderInstances( geometry, start, count ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); + + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; + + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + + } + + return { + + setMode: setMode, + setIndex: setIndex, + render: render, + renderInstances: renderInstances + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLBufferRenderer( gl, extensions, infoRender ) { + + var mode; + + function setMode( value ) { + + mode = value; + + } + + function render( start, count ) { + + gl.drawArrays( mode, start, count ); + + infoRender.calls ++; + infoRender.vertices += count; + + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + + } + + function renderInstances( geometry ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + var position = geometry.attributes.position; + + var count = 0; + + if ( (position && position.isInterleavedBufferAttribute) ) { + + count = position.data.count; + + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + + } else { + + count = position.count; + + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + + } + + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; + + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + + } + + return { + setMode: setMode, + render: render, + renderInstances: renderInstances + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLLights() { + + var lights = {}; + + return { + + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; + + } + + var uniforms; + + switch ( light.type ) { + + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color(), + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0, + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0, + + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function addLineNumbers( string ) { + + var lines = string.split( '\n' ); + + for ( var i = 0; i < lines.length; i ++ ) { + + lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; + + } + + return lines.join( '\n' ); + + } + + function WebGLShader( gl, type, string ) { + + var shader = gl.createShader( type ); + + gl.shaderSource( shader, string ); + gl.compileShader( shader ); + + if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { + + console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); + + } + + if ( gl.getShaderInfoLog( shader ) !== '' ) { + + console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); + + } + + // --enable-privileged-webgl-extension + // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + + return shader; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + var programIdCount = 0; + + function getEncodingComponents( encoding ) { + + switch ( encoding ) { + + case LinearEncoding: + return [ 'Linear','( value )' ]; + case sRGBEncoding: + return [ 'sRGB','( value )' ]; + case RGBEEncoding: + return [ 'RGBE','( value )' ]; + case RGBM7Encoding: + return [ 'RGBM','( value, 7.0 )' ]; + case RGBM16Encoding: + return [ 'RGBM','( value, 16.0 )' ]; + case RGBDEncoding: + return [ 'RGBD','( value, 256.0 )' ]; + case GammaEncoding: + return [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ]; + default: + throw new Error( 'unsupported encoding: ' + encoding ); + + } + + } + + function getTexelDecodingFunction( functionName, encoding ) { + + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return " + components[ 0 ] + "ToLinear" + components[ 1 ] + "; }"; + + } + + function getTexelEncodingFunction( functionName, encoding ) { + + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[ 0 ] + components[ 1 ] + "; }"; + + } + + function getToneMappingFunction( functionName, toneMapping ) { + + var toneMappingName; + + switch ( toneMapping ) { + + case LinearToneMapping: + toneMappingName = "Linear"; + break; + + case ReinhardToneMapping: + toneMappingName = "Reinhard"; + break; + + case Uncharted2ToneMapping: + toneMappingName = "Uncharted2"; + break; + + case CineonToneMapping: + toneMappingName = "OptimizedCineon"; + break; + + default: + throw new Error( 'unsupported toneMapping: ' + toneMapping ); + + } + + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; + + } + + function generateExtensions( extensions, parameters, rendererExtensions ) { + + extensions = extensions || {}; + + var chunks = [ + ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', + ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '', + ]; + + return chunks.filter( filterEmptyLine ).join( '\n' ); + + } + + function generateDefines( defines ) { + + var chunks = []; + + for ( var name in defines ) { + + var value = defines[ name ]; + + if ( value === false ) continue; + + chunks.push( '#define ' + name + ' ' + value ); + + } + + return chunks.join( '\n' ); + + } + + function fetchAttributeLocations( gl, program, identifiers ) { + + var attributes = {}; + + var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); + + for ( var i = 0; i < n; i ++ ) { + + var info = gl.getActiveAttrib( program, i ); + var name = info.name; + + // console.log("THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:", name, i ); + + attributes[ name ] = gl.getAttribLocation( program, name ); + + } + + return attributes; + + } + + function filterEmptyLine( string ) { + + return string !== ''; + + } + + function replaceLightNums( string, parameters ) { + + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ); + + } + + function parseIncludes( string ) { + + var pattern = /#include +<([\w\d.]+)>/g; + + function replace( match, include ) { + + var replace = ShaderChunk[ include ]; + + if ( replace === undefined ) { + + throw new Error( 'Can not resolve #include <' + include + '>' ); + + } + + return parseIncludes( replace ); + + } + + return string.replace( pattern, replace ); + + } + + function unrollLoops( string ) { + + var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; + + function replace( match, start, end, snippet ) { + + var unroll = ''; + + for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + + unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); + + } + + return unroll; + + } + + return string.replace( pattern, replace ); + + } + + function WebGLProgram( renderer, code, material, parameters ) { + + var gl = renderer.context; + + var extensions = material.extensions; + var defines = material.defines; + + var vertexShader = material.__webglShader.vertexShader; + var fragmentShader = material.__webglShader.fragmentShader; + + var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + + if ( parameters.shadowMapType === PCFShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + + } + + var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + + if ( parameters.envMap ) { + + switch ( material.envMap.mapping ) { + + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; + + case CubeUVReflectionMapping: + case CubeUVRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; + + case EquirectangularReflectionMapping: + case EquirectangularRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; + break; + + case SphericalReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; + break; + + } + + switch ( material.envMap.mapping ) { + + case CubeRefractionMapping: + case EquirectangularRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; + + } + + switch ( material.combine ) { + + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; + + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; + + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + + } + + } + + var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; + + // console.log( 'building new program ' ); + + // + + var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); + + var customDefines = generateDefines( defines ); + + // + + var program = gl.createProgram(); + + var prefixVertex, prefixFragment; + + if ( material.isRawShaderMaterial ) { + + prefixVertex = [ + + customDefines, + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + prefixFragment = [ + + customExtensions, + customDefines, + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } else { + + prefixVertex = [ + + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', + + '#define SHADER_NAME ' + material.__webglShader.name, + + customDefines, + + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + '#define MAX_BONES ' + parameters.maxBones, + + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.skinning ? '#define USE_SKINNING' : '', + parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', + + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', + + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', + + '#ifdef USE_COLOR', + + ' attribute vec3 color;', + + '#endif', + + '#ifdef USE_MORPHTARGETS', + + ' attribute vec3 morphTarget0;', + ' attribute vec3 morphTarget1;', + ' attribute vec3 morphTarget2;', + ' attribute vec3 morphTarget3;', + + ' #ifdef USE_MORPHNORMALS', + + ' attribute vec3 morphNormal0;', + ' attribute vec3 morphNormal1;', + ' attribute vec3 morphNormal2;', + ' attribute vec3 morphNormal3;', + + ' #else', + + ' attribute vec3 morphTarget4;', + ' attribute vec3 morphTarget5;', + ' attribute vec3 morphTarget6;', + ' attribute vec3 morphTarget7;', + + ' #endif', + + '#endif', + + '#ifdef USE_SKINNING', + + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', + + '#endif', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + prefixFragment = [ + + customExtensions, + + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', + + '#define SHADER_NAME ' + material.__webglShader.name, + + customDefines, + + parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', + + '#define GAMMA_FACTOR ' + gammaFactorDefine, + + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : '', + + parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', + + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', + + ( parameters.toneMapping !== NoToneMapping ) ? "#define TONE_MAPPING" : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( "toneMapping", parameters.toneMapping ) : '', + + ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below + parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', + parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', + parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', + parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', + + parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } + + vertexShader = parseIncludes( vertexShader, parameters ); + vertexShader = replaceLightNums( vertexShader, parameters ); + + fragmentShader = parseIncludes( fragmentShader, parameters ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); + + if ( ! material.isShaderMaterial ) { + + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); + + } + + var vertexGlsl = prefixVertex + vertexShader; + var fragmentGlsl = prefixFragment + fragmentShader; + + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); + + var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); + var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); + + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); + + // Force a particular attribute to index 0. + + if ( material.index0AttributeName !== undefined ) { + + gl.bindAttribLocation( program, 0, material.index0AttributeName ); + + } else if ( parameters.morphTargets === true ) { + + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); + + } + + gl.linkProgram( program ); + + var programLog = gl.getProgramInfoLog( program ); + var vertexLog = gl.getShaderInfoLog( glVertexShader ); + var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); + + var runnable = true; + var haveDiagnostics = true; + + // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); + // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); + + if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { + + runnable = false; + + console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); + + } else if ( programLog !== '' ) { + + console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); + + } else if ( vertexLog === '' || fragmentLog === '' ) { + + haveDiagnostics = false; + + } + + if ( haveDiagnostics ) { + + this.diagnostics = { + + runnable: runnable, + material: material, + + programLog: programLog, + + vertexShader: { + + log: vertexLog, + prefix: prefixVertex + + }, + + fragmentShader: { + + log: fragmentLog, + prefix: prefixFragment + + } + + }; + + } + + // clean up + + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); + + // set up caching for uniform locations + + var cachedUniforms; + + this.getUniforms = function() { + + if ( cachedUniforms === undefined ) { + + cachedUniforms = + new WebGLUniforms( gl, program, renderer ); + + } + + return cachedUniforms; + + }; + + // set up caching for attribute locations + + var cachedAttributes; + + this.getAttributes = function() { + + if ( cachedAttributes === undefined ) { + + cachedAttributes = fetchAttributeLocations( gl, program ); + + } + + return cachedAttributes; + + }; + + // free resource + + this.destroy = function() { + + gl.deleteProgram( program ); + this.program = undefined; + + }; + + // DEPRECATED + + Object.defineProperties( this, { + + uniforms: { + get: function() { + + console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); + return this.getUniforms(); + + } + }, + + attributes: { + get: function() { + + console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); + return this.getAttributes(); + + } + } + + } ); + + + // + + this.id = programIdCount ++; + this.code = code; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + + return this; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLPrograms( renderer, capabilities ) { + + var programs = []; + + var shaderIDs = { + MeshDepthMaterial: 'depth', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points' + }; + + var parameterNames = [ + "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", + "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", + "roughnessMap", "metalnessMap", + "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", + "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", + "maxBones", "useVertexTexture", "morphTargets", "morphNormals", + "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", + "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", + "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', + "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" + ]; + + + function allocateBones( object ) { + + if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { + + return 1024; + + } else { + + // default for when object is not specified + // ( for example when prebuilding shader to be used with multiple objects ) + // + // - leave some extra space for other uniforms + // - limit here is ANGLE's 254 max uniform vectors + // (up to 54 should be safe) + + var nVertexUniforms = capabilities.maxVertexUniforms; + var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); + + var maxBones = nVertexMatrices; + + if ( object !== undefined && (object && object.isSkinnedMesh) ) { + + maxBones = Math.min( object.skeleton.bones.length, maxBones ); + + if ( maxBones < object.skeleton.bones.length ) { + + console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); + + } + + } + + return maxBones; + + } + + } + + function getTextureEncodingFromMap( map, gammaOverrideLinear ) { + + var encoding; + + if ( ! map ) { + + encoding = LinearEncoding; + + } else if ( (map && map.isTexture) ) { + + encoding = map.encoding; + + } else if ( (map && map.isWebGLRenderTarget) ) { + + console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); + encoding = map.texture.encoding; + + } + + // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. + if ( encoding === LinearEncoding && gammaOverrideLinear ) { + + encoding = GammaEncoding; + + } + + return encoding; + + } + + this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { + + var shaderID = shaderIDs[ material.type ]; + + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) + + var maxBones = allocateBones( object ); + var precision = renderer.getPrecision(); + + if ( material.precision !== null ) { + + precision = capabilities.getMaxPrecision( material.precision ); + + if ( precision !== material.precision ) { + + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + + } + + } + + var currentRenderTarget = renderer.getCurrentRenderTarget(); + + var parameters = { + + shaderID: shaderID, + + precision: precision, + supportsVertexTextures: capabilities.vertexTextures, + outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), + map: !! material.map, + mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), + envMap: !! material.envMap, + envMapMode: material.envMap && material.envMap.mapping, + envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), + envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), + lightMap: !! material.lightMap, + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + alphaMap: !! material.alphaMap, + + combine: material.combine, + + vertexColors: material.vertexColors, + + fog: !! fog, + useFog: material.fog, + fogExp: (fog && fog.isFogExp2), + + flatShading: material.shading === FlatShading, + + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, + + skinning: material.skinning, + maxBones: maxBones, + useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, + + morphTargets: material.morphTargets, + morphNormals: material.morphNormals, + maxMorphTargets: renderer.maxMorphTargets, + maxMorphNormals: renderer.maxMorphNormals, + + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numHemiLights: lights.hemi.length, + + numClippingPlanes: nClipPlanes, + numClipIntersection: nClipIntersection, + + shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + + toneMapping: renderer.toneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, + + premultipliedAlpha: material.premultipliedAlpha, + + alphaTest: material.alphaTest, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + + depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false + + }; + + return parameters; + + }; + + this.getProgramCode = function ( material, parameters ) { + + var array = []; + + if ( parameters.shaderID ) { + + array.push( parameters.shaderID ); + + } else { + + array.push( material.fragmentShader ); + array.push( material.vertexShader ); + + } + + if ( material.defines !== undefined ) { + + for ( var name in material.defines ) { + + array.push( name ); + array.push( material.defines[ name ] ); + + } + + } + + for ( var i = 0; i < parameterNames.length; i ++ ) { + + array.push( parameters[ parameterNames[ i ] ] ); + + } + + return array.join(); + + }; + + this.acquireProgram = function ( material, parameters, code ) { + + var program; + + // Check if code has been already compiled + for ( var p = 0, pl = programs.length; p < pl; p ++ ) { + + var programInfo = programs[ p ]; + + if ( programInfo.code === code ) { + + program = programInfo; + ++ program.usedTimes; + + break; + + } + + } + + if ( program === undefined ) { + + program = new WebGLProgram( renderer, code, material, parameters ); + programs.push( program ); + + } + + return program; + + }; + + this.releaseProgram = function( program ) { + + if ( -- program.usedTimes === 0 ) { + + // Remove from unordered set + var i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); + + // Free WebGL resources + program.destroy(); + + } + + }; + + // Exposed for resource monitoring & error feedback via renderer.info: + this.programs = programs; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLGeometries( gl, properties, info ) { + + var geometries = {}; + + function onGeometryDispose( event ) { + + var geometry = event.target; + var buffergeometry = geometries[ geometry.id ]; + + if ( buffergeometry.index !== null ) { + + deleteAttribute( buffergeometry.index ); + + } + + deleteAttributes( buffergeometry.attributes ); + + geometry.removeEventListener( 'dispose', onGeometryDispose ); + + delete geometries[ geometry.id ]; + + // TODO + + var property = properties.get( geometry ); + + if ( property.wireframe ) { + + deleteAttribute( property.wireframe ); + + } + + properties.delete( geometry ); + + var bufferproperty = properties.get( buffergeometry ); + + if ( bufferproperty.wireframe ) { + + deleteAttribute( bufferproperty.wireframe ); + + } + + properties.delete( buffergeometry ); + + // + + info.memory.geometries --; + + } + + function getAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ).__webglBuffer; + + } + + return properties.get( attribute ).__webglBuffer; + + } + + function deleteAttribute( attribute ) { + + var buffer = getAttributeBuffer( attribute ); + + if ( buffer !== undefined ) { + + gl.deleteBuffer( buffer ); + removeAttributeBuffer( attribute ); + + } + + } + + function deleteAttributes( attributes ) { + + for ( var name in attributes ) { + + deleteAttribute( attributes[ name ] ); + + } + + } + + function removeAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + properties.delete( attribute.data ); + + } else { + + properties.delete( attribute ); + + } + + } + + return { + + get: function ( object ) { + + var geometry = object.geometry; + + if ( geometries[ geometry.id ] !== undefined ) { + + return geometries[ geometry.id ]; + + } + + geometry.addEventListener( 'dispose', onGeometryDispose ); + + var buffergeometry; + + if ( geometry.isBufferGeometry ) { + + buffergeometry = geometry; + + } else if ( geometry.isGeometry ) { + + if ( geometry._bufferGeometry === undefined ) { + + geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); + + } + + buffergeometry = geometry._bufferGeometry; + + } + + geometries[ geometry.id ] = buffergeometry; + + info.memory.geometries ++; + + return buffergeometry; + + } + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLObjects( gl, properties, info ) { + + var geometries = new WebGLGeometries( gl, properties, info ); + + // + + function update( object ) { + + // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. + + var geometry = geometries.get( object ); + + if ( object.geometry.isGeometry ) { + + geometry.updateFromObject( object ); + + } + + var index = geometry.index; + var attributes = geometry.attributes; + + if ( index !== null ) { + + updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); + + } + + for ( var name in attributes ) { + + updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); + + } + + // morph targets + + var morphAttributes = geometry.morphAttributes; + + for ( var name in morphAttributes ) { + + var array = morphAttributes[ name ]; + + for ( var i = 0, l = array.length; i < l; i ++ ) { + + updateAttribute( array[ i ], gl.ARRAY_BUFFER ); + + } + + } + + return geometry; + + } + + function updateAttribute( attribute, bufferType ) { + + var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; + + var attributeProperties = properties.get( data ); + + if ( attributeProperties.__webglBuffer === undefined ) { + + createBuffer( attributeProperties, data, bufferType ); + + } else if ( attributeProperties.version !== data.version ) { + + updateBuffer( attributeProperties, data, bufferType ); + + } + + } + + function createBuffer( attributeProperties, data, bufferType ) { + + attributeProperties.__webglBuffer = gl.createBuffer(); + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + + var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; + + gl.bufferData( bufferType, data.array, usage ); + + attributeProperties.version = data.version; + + } + + function updateBuffer( attributeProperties, data, bufferType ) { + + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + + if ( data.dynamic === false ) { + + gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); + + } else if ( data.updateRange.count === - 1 ) { + + // Not using update ranges + + gl.bufferSubData( bufferType, 0, data.array ); + + } else if ( data.updateRange.count === 0 ) { + + console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); + + } else { + + gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, + data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); + + data.updateRange.count = 0; // reset range + + } + + attributeProperties.version = data.version; + + } + + function getAttributeBuffer( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ).__webglBuffer; + + } + + return properties.get( attribute ).__webglBuffer; + + } + + function getWireframeAttribute( geometry ) { + + var property = properties.get( geometry ); + + if ( property.wireframe !== undefined ) { + + return property.wireframe; + + } + + var indices = []; + + var index = geometry.index; + var attributes = geometry.attributes; + var position = attributes.position; + + // console.time( 'wireframe' ); + + if ( index !== null ) { + + var edges = {}; + var array = index.array; + + for ( var i = 0, l = array.length; i < l; i += 3 ) { + + var a = array[ i + 0 ]; + var b = array[ i + 1 ]; + var c = array[ i + 2 ]; + + indices.push( a, b, b, c, c, a ); + + } + + } else { + + var array = attributes.position.array; + + for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + + var a = i + 0; + var b = i + 1; + var c = i + 2; + + indices.push( a, b, b, c, c, a ); + + } + + } + + // console.timeEnd( 'wireframe' ); + + var TypeArray = position.count > 65535 ? Uint32Array : Uint16Array; + var attribute = new BufferAttribute( new TypeArray( indices ), 1 ); + + updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); + + property.wireframe = attribute; + + return attribute; + + } + + return { + + getAttributeBuffer: getAttributeBuffer, + getWireframeAttribute: getWireframeAttribute, + + update: update + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { + + var _infoMemory = info.memory; + var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); + + // + + function clampToMaxSize( image, maxSize ) { + + if ( image.width > maxSize || image.height > maxSize ) { + + // Warning: Scaling through the canvas will only work with images that use + // premultiplied alpha. + + var scale = maxSize / Math.max( image.width, image.height ); + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = Math.floor( image.width * scale ); + canvas.height = Math.floor( image.height * scale ); + + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); + + console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + + return canvas; + + } + + return image; + + } + + function isPowerOfTwo( image ) { + + return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); + + } + + function makePowerOfTwo( image ) { + + if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { + + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = _Math.nearestPowerOfTwo( image.width ); + canvas.height = _Math.nearestPowerOfTwo( image.height ); + + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, canvas.width, canvas.height ); + + console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + + return canvas; + + } + + return image; + + } + + function textureNeedsPowerOfTwo( texture ) { + + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true; + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true; + + return false; + + } + + // Fallback filters for non-power-of-2 textures + + function filterFallback( f ) { + + if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { + + return _gl.NEAREST; + + } + + return _gl.LINEAR; + + } + + // + + function onTextureDispose( event ) { + + var texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + deallocateTexture( texture ); + + _infoMemory.textures --; + + + } + + function onRenderTargetDispose( event ) { + + var renderTarget = event.target; + + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + + deallocateRenderTarget( renderTarget ); + + _infoMemory.textures --; + + } + + // + + function deallocateTexture( texture ) { + + var textureProperties = properties.get( texture ); + + if ( texture.image && textureProperties.__image__webglTextureCube ) { + + // cube texture + + _gl.deleteTexture( textureProperties.__image__webglTextureCube ); + + } else { + + // 2D texture + + if ( textureProperties.__webglInit === undefined ) return; + + _gl.deleteTexture( textureProperties.__webglTexture ); + + } + + // remove all webgl properties + properties.delete( texture ); + + } + + function deallocateRenderTarget( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); + + if ( ! renderTarget ) return; + + if ( textureProperties.__webglTexture !== undefined ) { + + _gl.deleteTexture( textureProperties.__webglTexture ); + + } + + if ( renderTarget.depthTexture ) { + + renderTarget.depthTexture.dispose(); + + } + + if ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) { + + for ( var i = 0; i < 6; i ++ ) { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + + } + + } else { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + + } + + properties.delete( renderTarget.texture ); + properties.delete( renderTarget ); + + } + + // + + + + function setTexture2D( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + var image = texture.image; + + if ( image === undefined ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture ); + + } else if ( image.complete === false ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); + + } else { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + + } + + function setTextureCube( texture, slot ) { + + var textureProperties = properties.get( texture ); + + if ( texture.image.length === 6 ) { + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + if ( ! textureProperties.__image__webglTextureCube ) { + + texture.addEventListener( 'dispose', onTextureDispose ); + + textureProperties.__image__webglTextureCube = _gl.createTexture(); + + _infoMemory.textures ++; + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + + var isCompressed = (texture && texture.isCompressedTexture); + var isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture); + + var cubeImage = []; + + for ( var i = 0; i < 6; i ++ ) { + + if ( ! isCompressed && ! isDataTexture ) { + + cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); + + } else { + + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + + } + + } + + var image = cubeImage[ 0 ], + isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); + + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); + + for ( var i = 0; i < 6; i ++ ) { + + if ( ! isCompressed ) { + + if ( isDataTexture ) { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + + } else { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); + + } + + } else { + + var mipmap, mipmaps = cubeImage[ i ].mipmaps; + + for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { + + mipmap = mipmaps[ j ]; + + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + + state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); + + } + + } else { + + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } + + } + + if ( texture.generateMipmaps && isPowerOfTwoImage ) { + + _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + + } + + textureProperties.__version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } else { + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + + } + + } + + } + + function setTextureCubeDynamic( texture, slot ) { + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); + + } + + function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { + + var extension; + + if ( isPowerOfTwoImage ) { + + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); + + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); + + } else { + + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); + + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture ); + + } + + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) ); + + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture ); + + } + + } + + extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + if ( extension ) { + + if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; + if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return; + + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; + + } + + } + + } + + function uploadTexture( textureProperties, texture, slot ) { + + if ( textureProperties.__webglInit === undefined ) { + + textureProperties.__webglInit = true; + + texture.addEventListener( 'dispose', onTextureDispose ); + + textureProperties.__webglTexture = _gl.createTexture(); + + _infoMemory.textures ++; + + } + + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + + var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); + + if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { + + image = makePowerOfTwo( image ); + + } + + var isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); + + setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); + + var mipmap, mipmaps = texture.mipmaps; + + if ( (texture && texture.isDepthTexture) ) { + + // populate depth texture with dummy data + + var internalFormat = _gl.DEPTH_COMPONENT; + + if ( texture.type === FloatType ) { + + if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); + internalFormat = _gl.DEPTH_COMPONENT32F; + + } else if ( _isWebGL2 ) { + + // WebGL 2.0 requires signed internalformat for glTexImage2D + internalFormat = _gl.DEPTH_COMPONENT16; + + } + + // Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.format === DepthStencilFormat ) { + + internalFormat = _gl.DEPTH_STENCIL; + + } + + state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null ); + + } else if ( (texture && texture.isDataTexture) ) { + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + texture.generateMipmaps = false; + + } else { + + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); + + } + + } else if ( (texture && texture.isCompressedTexture) ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + + state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); + + } + + } else { + + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } else { + + // regular Texture (image, video, canvas) + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); + + } + + texture.generateMipmaps = false; + + } else { + + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); + + } + + } + + if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); + + textureProperties.__version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } + + // Render targets + + // Setup storage for target texture and bind it to correct framebuffer + function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { + + var glFormat = paramThreeToGL( renderTarget.texture.format ); + var glType = paramThreeToGL( renderTarget.texture.type ); + state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + + } + + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget ) { + + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + + } else { + + // FIXME: We don't support !depth !stencil + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); + + } + + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + + } + + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { + + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + + if ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) { + + throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture'); + + } + + // upload an empty depth texture with framebuffer size + if ( !properties.get( renderTarget.depthTexture ).__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } + + setTexture2D( renderTarget.depthTexture, 0 ); + + var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; + + if ( renderTarget.depthTexture.format === DepthFormat ) { + + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + + } else { + + throw new Error('Unknown depthTexture format') + + } + + } + + // Setup GL resources for a non-texture depth buffer + function setupDepthRenderbuffer( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + + if ( renderTarget.depthTexture ) { + + if ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets'); + + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + + } else { + + if ( isCube ) { + + renderTargetProperties.__webglDepthbuffer = []; + + for ( var i = 0; i < 6; i ++ ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); + + } + + } else { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + + } + + } + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + + } + + // Set up GL resources for the render target + function setupRenderTarget( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); + + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + + textureProperties.__webglTexture = _gl.createTexture(); + + _infoMemory.textures ++; + + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); + + // Setup framebuffer + + if ( isCube ) { + + renderTargetProperties.__webglFramebuffer = []; + + for ( var i = 0; i < 6; i ++ ) { + + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + + } + + } else { + + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + + } + + // Setup color buffer + + if ( isCube ) { + + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); + + for ( var i = 0; i < 6; i ++ ) { + + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); + + } + + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); + + } else { + + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); + + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); + state.bindTexture( _gl.TEXTURE_2D, null ); + + } + + // Setup depth and stencil buffers + + if ( renderTarget.depthBuffer ) { + + setupDepthRenderbuffer( renderTarget ); + + } + + } + + function updateRenderTargetMipmap( renderTarget ) { + + var texture = renderTarget.texture; + + if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && + texture.minFilter !== NearestFilter && + texture.minFilter !== LinearFilter ) { + + var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; + var webglTexture = properties.get( texture ).__webglTexture; + + state.bindTexture( target, webglTexture ); + _gl.generateMipmap( target ); + state.bindTexture( target, null ); + + } + + } + + this.setTexture2D = setTexture2D; + this.setTextureCube = setTextureCube; + this.setTextureCubeDynamic = setTextureCubeDynamic; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + + } + + /** + * @author fordacious / fordacious.github.io + */ + + function WebGLProperties() { + + var properties = {}; + + return { + + get: function ( object ) { + + var uuid = object.uuid; + var map = properties[ uuid ]; + + if ( map === undefined ) { + + map = {}; + properties[ uuid ] = map; + + } + + return map; + + }, + + delete: function ( object ) { + + delete properties[ object.uuid ]; + + }, + + clear: function () { + + properties = {}; + + } + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLState( gl, extensions, paramThreeToGL ) { + + function ColorBuffer() { + + var locked = false; + + var color = new Vector4(); + var currentColorMask = null; + var currentColorClear = new Vector4(); + + return { + + setMask: function ( colorMask ) { + + if ( currentColorMask !== colorMask && ! locked ) { + + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( r, g, b, a ) { + + color.set( r, g, b, a ); + + if ( currentColorClear.equals( color ) === false ) { + + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); + + } + + }, + + reset: function () { + + locked = false; + + currentColorMask = null; + currentColorClear.set( 0, 0, 0, 1 ); + + } + + }; + + } + + function DepthBuffer() { + + var locked = false; + + var currentDepthMask = null; + var currentDepthFunc = null; + var currentDepthClear = null; + + return { + + setTest: function ( depthTest ) { + + if ( depthTest ) { + + enable( gl.DEPTH_TEST ); + + } else { + + disable( gl.DEPTH_TEST ); + + } + + }, + + setMask: function ( depthMask ) { + + if ( currentDepthMask !== depthMask && ! locked ) { + + gl.depthMask( depthMask ); + currentDepthMask = depthMask; + + } + + }, + + setFunc: function ( depthFunc ) { + + if ( currentDepthFunc !== depthFunc ) { + + if ( depthFunc ) { + + switch ( depthFunc ) { + + case NeverDepth: + + gl.depthFunc( gl.NEVER ); + break; + + case AlwaysDepth: + + gl.depthFunc( gl.ALWAYS ); + break; + + case LessDepth: + + gl.depthFunc( gl.LESS ); + break; + + case LessEqualDepth: + + gl.depthFunc( gl.LEQUAL ); + break; + + case EqualDepth: + + gl.depthFunc( gl.EQUAL ); + break; + + case GreaterEqualDepth: + + gl.depthFunc( gl.GEQUAL ); + break; + + case GreaterDepth: + + gl.depthFunc( gl.GREATER ); + break; + + case NotEqualDepth: + + gl.depthFunc( gl.NOTEQUAL ); + break; + + default: + + gl.depthFunc( gl.LEQUAL ); + + } + + } else { + + gl.depthFunc( gl.LEQUAL ); + + } + + currentDepthFunc = depthFunc; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( depth ) { + + if ( currentDepthClear !== depth ) { + + gl.clearDepth( depth ); + currentDepthClear = depth; + + } + + }, + + reset: function () { + + locked = false; + + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + + } + + }; + + } + + function StencilBuffer() { + + var locked = false; + + var currentStencilMask = null; + var currentStencilFunc = null; + var currentStencilRef = null; + var currentStencilFuncMask = null; + var currentStencilFail = null; + var currentStencilZFail = null; + var currentStencilZPass = null; + var currentStencilClear = null; + + return { + + setTest: function ( stencilTest ) { + + if ( stencilTest ) { + + enable( gl.STENCIL_TEST ); + + } else { + + disable( gl.STENCIL_TEST ); + + } + + }, + + setMask: function ( stencilMask ) { + + if ( currentStencilMask !== stencilMask && ! locked ) { + + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; + + } + + }, + + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { + + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { + + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + + } + + }, + + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { + + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( stencil ) { + + if ( currentStencilClear !== stencil ) { + + gl.clearStencil( stencil ); + currentStencilClear = stencil; + + } + + }, + + reset: function () { + + locked = false; + + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + + } + + }; + + } + + // + + var colorBuffer = new ColorBuffer(); + var depthBuffer = new DepthBuffer(); + var stencilBuffer = new StencilBuffer(); + + var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var newAttributes = new Uint8Array( maxVertexAttributes ); + var enabledAttributes = new Uint8Array( maxVertexAttributes ); + var attributeDivisors = new Uint8Array( maxVertexAttributes ); + + var capabilities = {}; + + var compressedTextureFormats = null; + + var currentBlending = null; + var currentBlendEquation = null; + var currentBlendSrc = null; + var currentBlendDst = null; + var currentBlendEquationAlpha = null; + var currentBlendSrcAlpha = null; + var currentBlendDstAlpha = null; + var currentPremultipledAlpha = false; + + var currentFlipSided = null; + var currentCullFace = null; + + var currentLineWidth = null; + + var currentPolygonOffsetFactor = null; + var currentPolygonOffsetUnits = null; + + var currentScissorTest = null; + + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + + var currentTextureSlot = null; + var currentBoundTextures = {}; + + var currentScissor = new Vector4(); + var currentViewport = new Vector4(); + + function createTexture( type, target, count ) { + + var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. + var texture = gl.createTexture(); + + gl.bindTexture( type, texture ); + gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + + for ( var i = 0; i < count; i ++ ) { + + gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + + } + + return texture; + + } + + var emptyTextures = {}; + emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); + emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); + + // + + function init() { + + clearColor( 0, 0, 0, 1 ); + clearDepth( 1 ); + clearStencil( 0 ); + + enable( gl.DEPTH_TEST ); + setDepthFunc( LessEqualDepth ); + + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( gl.CULL_FACE ); + + enable( gl.BLEND ); + setBlending( NormalBlending ); + + } + + function initAttributes() { + + for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { + + newAttributes[ i ] = 0; + + } + + } + + function enableAttribute( attribute ) { + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== 0 ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + extension.vertexAttribDivisorANGLE( attribute, 0 ); + attributeDivisors[ attribute ] = 0; + + } + + } + + function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + + extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; + + } + + } + + function disableUnusedAttributes() { + + for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { + + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } + + } + + function enable( id ) { + + if ( capabilities[ id ] !== true ) { + + gl.enable( id ); + capabilities[ id ] = true; + + } + + } + + function disable( id ) { + + if ( capabilities[ id ] !== false ) { + + gl.disable( id ); + capabilities[ id ] = false; + + } + + } + + function getCompressedTextureFormats() { + + if ( compressedTextureFormats === null ) { + + compressedTextureFormats = []; + + if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || + extensions.get( 'WEBGL_compressed_texture_s3tc' ) || + extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { + + var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); + + for ( var i = 0; i < formats.length; i ++ ) { + + compressedTextureFormats.push( formats[ i ] ); + + } + + } + + } + + return compressedTextureFormats; + + } + + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + + if ( blending !== NoBlending ) { + + enable( gl.BLEND ); + + } else { + + disable( gl.BLEND ); + + } + + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + + if ( blending === AdditiveBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); + + } + + } else if ( blending === SubtractiveBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); + + } + + } else if ( blending === MultiplyBlending ) { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); + + } else { + + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); + + } + + } else { + + if ( premultipliedAlpha ) { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + + } else { + + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + + } + + } + + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + + } + + if ( blending === CustomBlending ) { + + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + + gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); + + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + + } + + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + + gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); + + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + + } + + } else { + + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + + } + + } + + // TODO Deprecate + + function setColorWrite( colorWrite ) { + + colorBuffer.setMask( colorWrite ); + + } + + function setDepthTest( depthTest ) { + + depthBuffer.setTest( depthTest ); + + } + + function setDepthWrite( depthWrite ) { + + depthBuffer.setMask( depthWrite ); + + } + + function setDepthFunc( depthFunc ) { + + depthBuffer.setFunc( depthFunc ); + + } + + function setStencilTest( stencilTest ) { + + stencilBuffer.setTest( stencilTest ); + + } + + function setStencilWrite( stencilWrite ) { + + stencilBuffer.setMask( stencilWrite ); + + } + + function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { + + stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); + + } + + function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { + + stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); + + } + + // + + function setFlipSided( flipSided ) { + + if ( currentFlipSided !== flipSided ) { + + if ( flipSided ) { + + gl.frontFace( gl.CW ); + + } else { + + gl.frontFace( gl.CCW ); + + } + + currentFlipSided = flipSided; + + } + + } + + function setCullFace( cullFace ) { + + if ( cullFace !== CullFaceNone ) { + + enable( gl.CULL_FACE ); + + if ( cullFace !== currentCullFace ) { + + if ( cullFace === CullFaceBack ) { + + gl.cullFace( gl.BACK ); + + } else if ( cullFace === CullFaceFront ) { + + gl.cullFace( gl.FRONT ); + + } else { + + gl.cullFace( gl.FRONT_AND_BACK ); + + } + + } + + } else { + + disable( gl.CULL_FACE ); + + } + + currentCullFace = cullFace; + + } + + function setLineWidth( width ) { + + if ( width !== currentLineWidth ) { + + gl.lineWidth( width ); + + currentLineWidth = width; + + } + + } + + function setPolygonOffset( polygonOffset, factor, units ) { + + if ( polygonOffset ) { + + enable( gl.POLYGON_OFFSET_FILL ); + + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + + gl.polygonOffset( factor, units ); + + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + + } + + } else { + + disable( gl.POLYGON_OFFSET_FILL ); + + } + + } + + function getScissorTest() { + + return currentScissorTest; + + } + + function setScissorTest( scissorTest ) { + + currentScissorTest = scissorTest; + + if ( scissorTest ) { + + enable( gl.SCISSOR_TEST ); + + } else { + + disable( gl.SCISSOR_TEST ); + + } + + } + + // texture + + function activeTexture( webglSlot ) { + + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; + + if ( currentTextureSlot !== webglSlot ) { + + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; + + } + + } + + function bindTexture( webglType, webglTexture ) { + + if ( currentTextureSlot === null ) { + + activeTexture(); + + } + + var boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture === undefined ) { + + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ currentTextureSlot ] = boundTexture; + + } + + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + + } + + } + + function compressedTexImage2D() { + + try { + + gl.compressedTexImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( error ); + + } + + } + + function texImage2D() { + + try { + + gl.texImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( error ); + + } + + } + + // TODO Deprecate + + function clearColor( r, g, b, a ) { + + colorBuffer.setClear( r, g, b, a ); + + } + + function clearDepth( depth ) { + + depthBuffer.setClear( depth ); + + } + + function clearStencil( stencil ) { + + stencilBuffer.setClear( stencil ); + + } + + // + + function scissor( scissor ) { + + if ( currentScissor.equals( scissor ) === false ) { + + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); + + } + + } + + function viewport( viewport ) { + + if ( currentViewport.equals( viewport ) === false ) { + + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); + + } + + } + + // + + function reset() { + + for ( var i = 0; i < enabledAttributes.length; i ++ ) { + + if ( enabledAttributes[ i ] === 1 ) { + + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } + + capabilities = {}; + + compressedTextureFormats = null; + + currentTextureSlot = null; + currentBoundTextures = {}; + + currentBlending = null; + + currentFlipSided = null; + currentCullFace = null; + + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + + } + + return { + + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + + init: init, + initAttributes: initAttributes, + enableAttribute: enableAttribute, + enableAttributeAndDivisor: enableAttributeAndDivisor, + disableUnusedAttributes: disableUnusedAttributes, + enable: enable, + disable: disable, + getCompressedTextureFormats: getCompressedTextureFormats, + + setBlending: setBlending, + + setColorWrite: setColorWrite, + setDepthTest: setDepthTest, + setDepthWrite: setDepthWrite, + setDepthFunc: setDepthFunc, + setStencilTest: setStencilTest, + setStencilWrite: setStencilWrite, + setStencilFunc: setStencilFunc, + setStencilOp: setStencilOp, + + setFlipSided: setFlipSided, + setCullFace: setCullFace, + + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, + + getScissorTest: getScissorTest, + setScissorTest: setScissorTest, + + activeTexture: activeTexture, + bindTexture: bindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, + + clearColor: clearColor, + clearDepth: clearDepth, + clearStencil: clearStencil, + + scissor: scissor, + viewport: viewport, + + reset: reset + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLCapabilities( gl, extensions, parameters ) { + + var maxAnisotropy; + + function getMaxAnisotropy() { + + if ( maxAnisotropy !== undefined ) return maxAnisotropy; + + var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + if ( extension !== null ) { + + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + + } else { + + maxAnisotropy = 0; + + } + + return maxAnisotropy; + + } + + function getMaxPrecision( precision ) { + + if ( precision === 'highp' ) { + + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { + + return 'highp'; + + } + + precision = 'mediump'; + + } + + if ( precision === 'mediump' ) { + + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { + + return 'mediump'; + + } + + } + + return 'lowp'; + + } + + var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + var maxPrecision = getMaxPrecision( precision ); + + if ( maxPrecision !== precision ) { + + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; + + } + + var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' ); + + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); + var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); + var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); + + var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); + var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); + var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); + + var vertexTextures = maxVertexTextures > 0; + var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); + var floatVertexTextures = vertexTextures && floatFragmentTextures; + + return { + + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, + + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, + + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, + + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, + + vertexTextures: vertexTextures, + floatFragmentTextures: floatFragmentTextures, + floatVertexTextures: floatVertexTextures + + }; + + } + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WebGLExtensions( gl ) { + + var extensions = {}; + + return { + + get: function ( name ) { + + if ( extensions[ name ] !== undefined ) { + + return extensions[ name ]; + + } + + var extension; + + switch ( name ) { + + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; + + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; + + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; + + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; + + case 'WEBGL_compressed_texture_etc1': + extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); + break; + + default: + extension = gl.getExtension( name ); + + } + + if ( extension === null ) { + + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + + } + + extensions[ name ] = extension; + + return extension; + + } + + }; + + } + + /** + * @author tschw + */ + + function WebGLClipping() { + + var scope = this, + + globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false, + + plane = new Plane(), + viewNormalMatrix = new Matrix3(), + + uniform = { value: null, needsUpdate: false }; + + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + + this.init = function( planes, enableLocalClipping, camera ) { + + var enabled = + planes.length !== 0 || + enableLocalClipping || + // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || + localClippingEnabled; + + localClippingEnabled = enableLocalClipping; + + globalState = projectPlanes( planes, camera, 0 ); + numGlobalPlanes = planes.length; + + return enabled; + + }; + + this.beginShadows = function() { + + renderingShadows = true; + projectPlanes( null ); + + }; + + this.endShadows = function() { + + renderingShadows = false; + resetGlobalState(); + + }; + + this.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { + + if ( ! localClippingEnabled || + planes === null || planes.length === 0 || + renderingShadows && ! clipShadows ) { + // there's no local clipping + + if ( renderingShadows ) { + // there's no global clipping + + projectPlanes( null ); + + } else { + + resetGlobalState(); + } + + } else { + + var nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4, + + dstArray = cache.clippingState || null; + + uniform.value = dstArray; // ensure unique state + + dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); + + for ( var i = 0; i !== lGlobal; ++ i ) { + + dstArray[ i ] = globalState[ i ]; + + } + + cache.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + + } + + + }; + + function resetGlobalState() { + + if ( uniform.value !== globalState ) { + + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + + } + + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + + } + + function projectPlanes( planes, camera, dstOffset, skipTransform ) { + + var nPlanes = planes !== null ? planes.length : 0, + dstArray = null; + + if ( nPlanes !== 0 ) { + + dstArray = uniform.value; + + if ( skipTransform !== true || dstArray === null ) { + + var flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; + + viewNormalMatrix.getNormalMatrix( viewMatrix ); + + if ( dstArray === null || dstArray.length < flatSize ) { + + dstArray = new Float32Array( flatSize ); + + } + + for ( var i = 0, i4 = dstOffset; + i !== nPlanes; ++ i, i4 += 4 ) { + + plane.copy( planes[ i ] ). + applyMatrix4( viewMatrix, viewNormalMatrix ); + + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; + + } + + } + + uniform.value = dstArray; + uniform.needsUpdate = true; + + } + + scope.numPlanes = nPlanes; + + return dstArray; + + } + + } + + /** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + * @author tschw + */ + + function WebGLRenderer( parameters ) { + + console.log( 'THREE.WebGLRenderer', REVISION ); + + parameters = parameters || {}; + + var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), + _context = parameters.context !== undefined ? parameters.context : null, + + _alpha = parameters.alpha !== undefined ? parameters.alpha : false, + _depth = parameters.depth !== undefined ? parameters.depth : true, + _stencil = parameters.stencil !== undefined ? parameters.stencil : true, + _antialias = parameters.antialias !== undefined ? parameters.antialias : false, + _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, + _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false; + + var lights = []; + + var opaqueObjects = []; + var opaqueObjectsLastIndex = - 1; + var transparentObjects = []; + var transparentObjectsLastIndex = - 1; + + var morphInfluences = new Float32Array( 8 ); + + var sprites = []; + var lensFlares = []; + + // public properties + + this.domElement = _canvas; + this.context = null; + + // clearing + + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + + // scene graph + + this.sortObjects = true; + + // user-defined clipping + + this.clippingPlanes = []; + this.localClippingEnabled = false; + + // physically based shading + + this.gammaFactor = 2.0; // for backwards compatibility + this.gammaInput = false; + this.gammaOutput = false; + + // physical lights + + this.physicallyCorrectLights = false; + + // tone mapping + + this.toneMapping = LinearToneMapping; + this.toneMappingExposure = 1.0; + this.toneMappingWhitePoint = 1.0; + + // morphs + + this.maxMorphTargets = 8; + this.maxMorphNormals = 4; + + // internal properties + + var _this = this, + + // internal state cache + + _currentProgram = null, + _currentRenderTarget = null, + _currentFramebuffer = null, + _currentMaterialId = - 1, + _currentGeometryProgram = '', + _currentCamera = null, + + _currentScissor = new Vector4(), + _currentScissorTest = null, + + _currentViewport = new Vector4(), + + // + + _usedTextureUnits = 0, + + // + + _clearColor = new Color( 0x000000 ), + _clearAlpha = 0, + + _width = _canvas.width, + _height = _canvas.height, + + _pixelRatio = 1, + + _scissor = new Vector4( 0, 0, _width, _height ), + _scissorTest = false, + + _viewport = new Vector4( 0, 0, _width, _height ), + + // frustum + + _frustum = new Frustum(), + + // clipping + + _clipping = new WebGLClipping(), + _clippingEnabled = false, + _localClippingEnabled = false, + + _sphere = new Sphere(), + + // camera matrices cache + + _projScreenMatrix = new Matrix4(), + + _vector3 = new Vector3(), + + // light arrays cache + + _lights = { + + hash: '', + + ambient: [ 0, 0, 0 ], + directional: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadowMap: [], + spotShadowMatrix: [], + point: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], + + shadows: [] + + }, + + // info + + _infoRender = { + + calls: 0, + vertices: 0, + faces: 0, + points: 0 + + }; + + this.info = { + + render: _infoRender, + memory: { + + geometries: 0, + textures: 0 + + }, + programs: null + + }; + + + // initialize + + var _gl; + + try { + + var attributes = { + alpha: _alpha, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer + }; + + _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); + + if ( _gl === null ) { + + if ( _canvas.getContext( 'webgl' ) !== null ) { + + throw 'Error creating WebGL context with your selected attributes.'; + + } else { + + throw 'Error creating WebGL context.'; + + } + + } + + // Some experimental-webgl implementations do not have getShaderPrecisionFormat + + if ( _gl.getShaderPrecisionFormat === undefined ) { + + _gl.getShaderPrecisionFormat = function () { + + return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + + }; + + } + + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + + } catch ( error ) { + + console.error( 'THREE.WebGLRenderer: ' + error ); + + } + + var extensions = new WebGLExtensions( _gl ); + + extensions.get( 'WEBGL_depth_texture' ); + extensions.get( 'OES_texture_float' ); + extensions.get( 'OES_texture_float_linear' ); + extensions.get( 'OES_texture_half_float' ); + extensions.get( 'OES_texture_half_float_linear' ); + extensions.get( 'OES_standard_derivatives' ); + extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extensions.get( 'OES_element_index_uint' ) ) { + + BufferGeometry.MaxIndex = 4294967296; + + } + + var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + + var state = new WebGLState( _gl, extensions, paramThreeToGL ); + var properties = new WebGLProperties(); + var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); + var objects = new WebGLObjects( _gl, properties, this.info ); + var programCache = new WebGLPrograms( this, capabilities ); + var lightCache = new WebGLLights(); + + this.info.programs = programCache.programs; + + var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); + var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); + + // + + var backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); + var backgroundCamera2 = new PerspectiveCamera(); + var backgroundPlaneMesh = new Mesh( + new PlaneBufferGeometry( 2, 2 ), + new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) + ); + var backgroundBoxShader = ShaderLib[ 'cube' ]; + var backgroundBoxMesh = new Mesh( + new BoxBufferGeometry( 5, 5, 5 ), + new ShaderMaterial( { + uniforms: backgroundBoxShader.uniforms, + vertexShader: backgroundBoxShader.vertexShader, + fragmentShader: backgroundBoxShader.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + // + + function getTargetPixelRatio() { + + return _currentRenderTarget === null ? _pixelRatio : 1; + + } + + function glClearColor( r, g, b, a ) { + + if ( _premultipliedAlpha === true ) { + + r *= a; g *= a; b *= a; + + } + + state.clearColor( r, g, b, a ); + + } + + function setDefaultGLState() { + + state.init(); + + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); + + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + + } + + function resetGLState() { + + _currentProgram = null; + _currentCamera = null; + + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + + state.reset(); + + } + + setDefaultGLState(); + + this.context = _gl; + this.capabilities = capabilities; + this.extensions = extensions; + this.properties = properties; + this.state = state; + + // shadow map + + var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); + + this.shadowMap = shadowMap; + + + // Plugins + + var spritePlugin = new SpritePlugin( this, sprites ); + var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); + + // API + + this.getContext = function () { + + return _gl; + + }; + + this.getContextAttributes = function () { + + return _gl.getContextAttributes(); + + }; + + this.forceContextLoss = function () { + + extensions.get( 'WEBGL_lose_context' ).loseContext(); + + }; + + this.getMaxAnisotropy = function () { + + return capabilities.getMaxAnisotropy(); + + }; + + this.getPrecision = function () { + + return capabilities.precision; + + }; + + this.getPixelRatio = function () { + + return _pixelRatio; + + }; + + this.setPixelRatio = function ( value ) { + + if ( value === undefined ) return; + + _pixelRatio = value; + + this.setSize( _viewport.z, _viewport.w, false ); + + }; + + this.getSize = function () { + + return { + width: _width, + height: _height + }; + + }; + + this.setSize = function ( width, height, updateStyle ) { + + _width = width; + _height = height; + + _canvas.width = width * _pixelRatio; + _canvas.height = height * _pixelRatio; + + if ( updateStyle !== false ) { + + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; + + } + + this.setViewport( 0, 0, width, height ); + + }; + + this.setViewport = function ( x, y, width, height ) { + + state.viewport( _viewport.set( x, y, width, height ) ); + + }; + + this.setScissor = function ( x, y, width, height ) { + + state.scissor( _scissor.set( x, y, width, height ) ); + + }; + + this.setScissorTest = function ( boolean ) { + + state.setScissorTest( _scissorTest = boolean ); + + }; + + // Clearing + + this.getClearColor = function () { + + return _clearColor; + + }; + + this.setClearColor = function ( color, alpha ) { + + _clearColor.set( color ); + + _clearAlpha = alpha !== undefined ? alpha : 1; + + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + + }; + + this.getClearAlpha = function () { + + return _clearAlpha; + + }; + + this.setClearAlpha = function ( alpha ) { + + _clearAlpha = alpha; + + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + + }; + + this.clear = function ( color, depth, stencil ) { + + var bits = 0; + + if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; + if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; + if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; + + _gl.clear( bits ); + + }; + + this.clearColor = function () { + + this.clear( true, false, false ); + + }; + + this.clearDepth = function () { + + this.clear( false, true, false ); + + }; + + this.clearStencil = function () { + + this.clear( false, false, true ); + + }; + + this.clearTarget = function ( renderTarget, color, depth, stencil ) { + + this.setRenderTarget( renderTarget ); + this.clear( color, depth, stencil ); + + }; + + // Reset + + this.resetGLState = resetGLState; + + this.dispose = function() { + + transparentObjects = []; + transparentObjectsLastIndex = -1; + opaqueObjects = []; + opaqueObjectsLastIndex = -1; + + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + + }; + + // Events + + function onContextLost( event ) { + + event.preventDefault(); + + resetGLState(); + setDefaultGLState(); + + properties.clear(); + + } + + function onMaterialDispose( event ) { + + var material = event.target; + + material.removeEventListener( 'dispose', onMaterialDispose ); + + deallocateMaterial( material ); + + } + + // Buffer deallocation + + function deallocateMaterial( material ) { + + releaseMaterialProgramReference( material ); + + properties.delete( material ); + + } + + + function releaseMaterialProgramReference( material ) { + + var programInfo = properties.get( material ).program; + + material.program = undefined; + + if ( programInfo !== undefined ) { + + programCache.releaseProgram( programInfo ); + + } + + } + + // Buffer rendering + + this.renderBufferImmediate = function ( object, program, material ) { + + state.initAttributes(); + + var buffers = properties.get( object ); + + if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); + if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); + if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); + if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); + + var attributes = program.getAttributes(); + + if ( object.hasPositions ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.position ); + _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasNormals ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); + + if ( ! material.isMeshPhongMaterial && + ! material.isMeshStandardMaterial && + material.shading === FlatShading ) { + + for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { + + var array = object.normalArray; + + var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; + var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; + var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; + + array[ i + 0 ] = nx; + array[ i + 1 ] = ny; + array[ i + 2 ] = nz; + + array[ i + 3 ] = nx; + array[ i + 4 ] = ny; + array[ i + 5 ] = nz; + + array[ i + 6 ] = nx; + array[ i + 7 ] = ny; + array[ i + 8 ] = nz; + + } + + } + + _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.normal ); + + _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasUvs && material.map ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.uv ); + + _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); + + } + + if ( object.hasColors && material.vertexColors !== NoColors ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.color ); + + _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); + + } + + state.disableUnusedAttributes(); + + _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); + + object.count = 0; + + }; + + this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { + + setMaterial( material ); + + var program = setProgram( camera, fog, material, object ); + + var updateBuffers = false; + var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; + + if ( geometryProgram !== _currentGeometryProgram ) { + + _currentGeometryProgram = geometryProgram; + updateBuffers = true; + + } + + // morph targets + + var morphTargetInfluences = object.morphTargetInfluences; + + if ( morphTargetInfluences !== undefined ) { + + var activeInfluences = []; + + for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { + + var influence = morphTargetInfluences[ i ]; + activeInfluences.push( [ influence, i ] ); + + } + + activeInfluences.sort( absNumericalSort ); + + if ( activeInfluences.length > 8 ) { + + activeInfluences.length = 8; + + } + + var morphAttributes = geometry.morphAttributes; + + for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { + + var influence = activeInfluences[ i ]; + morphInfluences[ i ] = influence[ 0 ]; + + if ( influence[ 0 ] !== 0 ) { + + var index = influence[ 1 ]; + + if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); + if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); + + } else { + + if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); + if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); + + } + + } + + for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { + + morphInfluences[ i ] = 0.0; + + } + + program.getUniforms().setValue( + _gl, 'morphTargetInfluences', morphInfluences ); + + updateBuffers = true; + + } + + // + + var index = geometry.index; + var position = geometry.attributes.position; + var rangeFactor = 1; + + if ( material.wireframe === true ) { + + index = objects.getWireframeAttribute( geometry ); + rangeFactor = 2; + + } + + var renderer; + + if ( index !== null ) { + + renderer = indexedBufferRenderer; + renderer.setIndex( index ); + + } else { + + renderer = bufferRenderer; + + } + + if ( updateBuffers ) { + + setupVertexAttributes( material, program, geometry ); + + if ( index !== null ) { + + _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); + + } + + } + + // + + var dataCount = 0; + + if ( index !== null ) { + + dataCount = index.count; + + } else if ( position !== undefined ) { + + dataCount = position.count; + + } + + var rangeStart = geometry.drawRange.start * rangeFactor; + var rangeCount = geometry.drawRange.count * rangeFactor; + + var groupStart = group !== null ? group.start * rangeFactor : 0; + var groupCount = group !== null ? group.count * rangeFactor : Infinity; + + var drawStart = Math.max( rangeStart, groupStart ); + var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; + + var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); + + if ( drawCount === 0 ) return; + + // + + if ( object.isMesh ) { + + if ( material.wireframe === true ) { + + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( _gl.LINES ); + + } else { + + switch ( object.drawMode ) { + + case TrianglesDrawMode: + renderer.setMode( _gl.TRIANGLES ); + break; + + case TriangleStripDrawMode: + renderer.setMode( _gl.TRIANGLE_STRIP ); + break; + + case TriangleFanDrawMode: + renderer.setMode( _gl.TRIANGLE_FAN ); + break; + + } + + } + + + } else if ( object.isLine ) { + + var lineWidth = material.linewidth; + + if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material + + state.setLineWidth( lineWidth * getTargetPixelRatio() ); + + if ( object.isLineSegments ) { + + renderer.setMode( _gl.LINES ); + + } else { + + renderer.setMode( _gl.LINE_STRIP ); + + } + + } else if ( object.isPoints ) { + + renderer.setMode( _gl.POINTS ); + + } + + if ( geometry && geometry.isInstancedBufferGeometry ) { + + if ( geometry.maxInstancedCount > 0 ) { + + renderer.renderInstances( geometry, drawStart, drawCount ); + + } + + } else { + + renderer.render( drawStart, drawCount ); + + } + + }; + + function setupVertexAttributes( material, program, geometry, startIndex ) { + + var extension; + + if ( geometry && geometry.isInstancedBufferGeometry ) { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + if ( startIndex === undefined ) startIndex = 0; + + state.initAttributes(); + + var geometryAttributes = geometry.attributes; + + var programAttributes = program.getAttributes(); + + var materialDefaultAttributeValues = material.defaultAttributeValues; + + for ( var name in programAttributes ) { + + var programAttribute = programAttributes[ name ]; + + if ( programAttribute >= 0 ) { + + var geometryAttribute = geometryAttributes[ name ]; + + if ( geometryAttribute !== undefined ) { + + var type = _gl.FLOAT; + var array = geometryAttribute.array; + var normalized = geometryAttribute.normalized; + + if ( array instanceof Float32Array ) { + + type = _gl.FLOAT; + + } else if ( array instanceof Float64Array ) { + + console.warn( "Unsupported data buffer format: Float64Array" ); + + } else if ( array instanceof Uint16Array ) { + + type = _gl.UNSIGNED_SHORT; + + } else if ( array instanceof Int16Array ) { + + type = _gl.SHORT; + + } else if ( array instanceof Uint32Array ) { + + type = _gl.UNSIGNED_INT; + + } else if ( array instanceof Int32Array ) { + + type = _gl.INT; + + } else if ( array instanceof Int8Array ) { + + type = _gl.BYTE; + + } else if ( array instanceof Uint8Array ) { + + type = _gl.UNSIGNED_BYTE; + + } + + var size = geometryAttribute.itemSize; + var buffer = objects.getAttributeBuffer( geometryAttribute ); + + if ( geometryAttribute.isInterleavedBufferAttribute ) { + + var data = geometryAttribute.data; + var stride = data.stride; + var offset = geometryAttribute.offset; + + if ( data && data.isInstancedInterleavedBuffer ) { + + state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = data.meshPerAttribute * data.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT ); + + } else { + + if ( geometryAttribute.isInstancedBufferAttribute ) { + + state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); + + if ( geometry.maxInstancedCount === undefined ) { + + geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + + } + + } else { + + state.enableAttribute( programAttribute ); + + } + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT ); + + } + + } else if ( materialDefaultAttributeValues !== undefined ) { + + var value = materialDefaultAttributeValues[ name ]; + + if ( value !== undefined ) { + + switch ( value.length ) { + + case 2: + _gl.vertexAttrib2fv( programAttribute, value ); + break; + + case 3: + _gl.vertexAttrib3fv( programAttribute, value ); + break; + + case 4: + _gl.vertexAttrib4fv( programAttribute, value ); + break; + + default: + _gl.vertexAttrib1fv( programAttribute, value ); + + } + + } + + } + + } + + } + + state.disableUnusedAttributes(); + + } + + // Sorting + + function absNumericalSort( a, b ) { + + return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); + + } + + function painterSortStable( a, b ) { + + if ( a.object.renderOrder !== b.object.renderOrder ) { + + return a.object.renderOrder - b.object.renderOrder; + + } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { + + return a.material.program.id - b.material.program.id; + + } else if ( a.material.id !== b.material.id ) { + + return a.material.id - b.material.id; + + } else if ( a.z !== b.z ) { + + return a.z - b.z; + + } else { + + return a.id - b.id; + + } + + } + + function reversePainterSortStable( a, b ) { + + if ( a.object.renderOrder !== b.object.renderOrder ) { + + return a.object.renderOrder - b.object.renderOrder; + + } if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return a.id - b.id; + + } + + } + + // Rendering + + this.render = function ( scene, camera, renderTarget, forceClear ) { + + if ( camera !== undefined && camera.isCamera !== true ) { + + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; + + } + + // reset caching for this frame + + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + _currentCamera = null; + + // update scene graph + + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + + // update camera matrices and frustum + + if ( camera.parent === null ) camera.updateMatrixWorld(); + + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); + + lights.length = 0; + + opaqueObjectsLastIndex = - 1; + transparentObjectsLastIndex = - 1; + + sprites.length = 0; + lensFlares.length = 0; + + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + + projectObject( scene, camera ); + + opaqueObjects.length = opaqueObjectsLastIndex + 1; + transparentObjects.length = transparentObjectsLastIndex + 1; + + if ( _this.sortObjects === true ) { + + opaqueObjects.sort( painterSortStable ); + transparentObjects.sort( reversePainterSortStable ); + + } + + // + + if ( _clippingEnabled ) _clipping.beginShadows(); + + setupShadows( lights ); + + shadowMap.render( scene, camera ); + + setupLights( lights, camera ); + + if ( _clippingEnabled ) _clipping.endShadows(); + + // + + _infoRender.calls = 0; + _infoRender.vertices = 0; + _infoRender.faces = 0; + _infoRender.points = 0; + + if ( renderTarget === undefined ) { + + renderTarget = null; + + } + + this.setRenderTarget( renderTarget ); + + // + + var background = scene.background; + + if ( background === null ) { + + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + + } else if ( background && background.isColor ) { + + glClearColor( background.r, background.g, background.b, 1 ); + forceClear = true; + + } + + if ( this.autoClear || forceClear ) { + + this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); + + } + + if ( background && background.isCubeTexture ) { + + backgroundCamera2.projectionMatrix.copy( camera.projectionMatrix ); + + backgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld ); + backgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld ); + + backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; + backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); + + objects.update( backgroundBoxMesh ); + + _this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); + + } else if ( background && background.isTexture ) { + + backgroundPlaneMesh.material.map = background; + + objects.update( backgroundPlaneMesh ); + + _this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); + + } + + // + + if ( scene.overrideMaterial ) { + + var overrideMaterial = scene.overrideMaterial; + + renderObjects( opaqueObjects, scene, camera, overrideMaterial ); + renderObjects( transparentObjects, scene, camera, overrideMaterial ); + + } else { + + // opaque pass (front-to-back order) + + state.setBlending( NoBlending ); + renderObjects( opaqueObjects, scene, camera ); + + // transparent pass (back-to-front order) + + renderObjects( transparentObjects, scene, camera ); + + } + + // custom render plugins (post pass) + + spritePlugin.render( scene, camera ); + lensFlarePlugin.render( scene, camera, _currentViewport ); + + // Generate mipmap if we're using any kind of mipmap filtering + + if ( renderTarget ) { + + textures.updateRenderTargetMipmap( renderTarget ); + + } + + // Ensure depth buffer writing is enabled so it can be cleared on next render + + state.setDepthTest( true ); + state.setDepthWrite( true ); + state.setColorWrite( true ); + + // _gl.finish(); + + }; + + function pushRenderItem( object, geometry, material, z, group ) { + + var array, index; + + // allocate the next position in the appropriate array + + if ( material.transparent ) { + + array = transparentObjects; + index = ++ transparentObjectsLastIndex; + + } else { + + array = opaqueObjects; + index = ++ opaqueObjectsLastIndex; + + } + + // recycle existing render item or grow the array + + var renderItem = array[ index ]; + + if ( renderItem !== undefined ) { + + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.z = _vector3.z; + renderItem.group = group; + + } else { + + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + z: _vector3.z, + group: group + }; + + // assert( index === array.length ); + array.push( renderItem ); + + } + + } + + // TODO Duplicated code (Frustum) + + function isObjectViewable( object ) { + + var geometry = object.geometry; + + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); + + _sphere.copy( geometry.boundingSphere ). + applyMatrix4( object.matrixWorld ); + + return isSphereViewable( _sphere ); + + } + + function isSpriteViewable( sprite ) { + + _sphere.center.set( 0, 0, 0 ); + _sphere.radius = 0.7071067811865476; + _sphere.applyMatrix4( sprite.matrixWorld ); + + return isSphereViewable( _sphere ); + + } + + function isSphereViewable( sphere ) { + + if ( ! _frustum.intersectsSphere( sphere ) ) return false; + + var numPlanes = _clipping.numPlanes; + + if ( numPlanes === 0 ) return true; + + var planes = _this.clippingPlanes, + + center = sphere.center, + negRad = - sphere.radius, + i = 0; + + do { + + // out when deeper than radius in the negative halfspace + if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; + + } while ( ++ i !== numPlanes ); + + return true; + + } + + function projectObject( object, camera ) { + + if ( object.visible === false ) return; + + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + + if ( visible ) { + + if ( object.isLight ) { + + lights.push( object ); + + } else if ( object.isSprite ) { + + if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { + + sprites.push( object ); + + } + + } else if ( object.isLensFlare ) { + + lensFlares.push( object ); + + } else if ( object.isImmediateRenderObject ) { + + if ( _this.sortObjects === true ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); + + } + + pushRenderItem( object, null, object.material, _vector3.z, null ); + + } else if ( object.isMesh || object.isLine || object.isPoints ) { + + if ( object.isSkinnedMesh ) { + + object.skeleton.update(); + + } + + if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { + + var material = object.material; + + if ( material.visible === true ) { + + if ( _this.sortObjects === true ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); + + } + + var geometry = objects.update( object ); + + if ( material.isMultiMaterial ) { + + var groups = geometry.groups; + var materials = material.materials; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + var groupMaterial = materials[ group.materialIndex ]; + + if ( groupMaterial.visible === true ) { + + pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); + + } + + } + + } else { + + pushRenderItem( object, geometry, material, _vector3.z, null ); + + } + + } + + } + + } + + } + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera ); + + } + + } + + function renderObjects( renderList, scene, camera, overrideMaterial ) { + + for ( var i = 0, l = renderList.length; i < l; i ++ ) { + + var renderItem = renderList[ i ]; + + var object = renderItem.object; + var geometry = renderItem.geometry; + var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; + var group = renderItem.group; + + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + + object.onBeforeRender( _this, scene, camera, geometry, material, group ); + + if ( object.isImmediateRenderObject ) { + + setMaterial( material ); + + var program = setProgram( camera, scene.fog, material, object ); + + _currentGeometryProgram = ''; + + object.render( function ( object ) { + + _this.renderBufferImmediate( object, program, material ); + + } ); + + } else { + + _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); + + } + + object.onAfterRender( _this, scene, camera, geometry, material, group ); + + + } + + } + + function initMaterial( material, fog, object ) { + + var materialProperties = properties.get( material ); + + var parameters = programCache.getParameters( + material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); + + var code = programCache.getProgramCode( material, parameters ); + + var program = materialProperties.program; + var programChange = true; + + if ( program === undefined ) { + + // new material + material.addEventListener( 'dispose', onMaterialDispose ); + + } else if ( program.code !== code ) { + + // changed glsl or parameters + releaseMaterialProgramReference( material ); + + } else if ( parameters.shaderID !== undefined ) { + + // same glsl and uniform list + return; + + } else { + + // only rebuild uniform list + programChange = false; + + } + + if ( programChange ) { + + if ( parameters.shaderID ) { + + var shader = ShaderLib[ parameters.shaderID ]; + + materialProperties.__webglShader = { + name: material.type, + uniforms: UniformsUtils.clone( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader + }; + + } else { + + materialProperties.__webglShader = { + name: material.type, + uniforms: material.uniforms, + vertexShader: material.vertexShader, + fragmentShader: material.fragmentShader + }; + + } + + material.__webglShader = materialProperties.__webglShader; + + program = programCache.acquireProgram( material, parameters, code ); + + materialProperties.program = program; + material.program = program; + + } + + var attributes = program.getAttributes(); + + if ( material.morphTargets ) { + + material.numSupportedMorphTargets = 0; + + for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { + + if ( attributes[ 'morphTarget' + i ] >= 0 ) { + + material.numSupportedMorphTargets ++; + + } + + } + + } + + if ( material.morphNormals ) { + + material.numSupportedMorphNormals = 0; + + for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { + + if ( attributes[ 'morphNormal' + i ] >= 0 ) { + + material.numSupportedMorphNormals ++; + + } + + } + + } + + var uniforms = materialProperties.__webglShader.uniforms; + + if ( ! material.isShaderMaterial && + ! material.isRawShaderMaterial || + material.clipping === true ) { + + materialProperties.numClippingPlanes = _clipping.numPlanes; + materialProperties.numIntersection = _clipping.numIntersection; + uniforms.clippingPlanes = _clipping.uniform; + + } + + materialProperties.fog = fog; + + // store the light setup it was created for + + materialProperties.lightsHash = _lights.hash; + + if ( material.lights ) { + + // wire up the material to this renderer's lighting state + + uniforms.ambientLightColor.value = _lights.ambient; + uniforms.directionalLights.value = _lights.directional; + uniforms.spotLights.value = _lights.spot; + uniforms.pointLights.value = _lights.point; + uniforms.hemisphereLights.value = _lights.hemi; + + uniforms.directionalShadowMap.value = _lights.directionalShadowMap; + uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; + uniforms.spotShadowMap.value = _lights.spotShadowMap; + uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; + uniforms.pointShadowMap.value = _lights.pointShadowMap; + uniforms.pointShadowMatrix.value = _lights.pointShadowMatrix; + + } + + var progUniforms = materialProperties.program.getUniforms(), + uniformsList = + WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); + + materialProperties.uniformsList = uniformsList; + + } + + function setMaterial( material ) { + + material.side === DoubleSide + ? state.disable( _gl.CULL_FACE ) + : state.enable( _gl.CULL_FACE ); + + state.setFlipSided( material.side === BackSide ); + + material.transparent === true + ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) + : state.setBlending( NoBlending ); + + state.setDepthFunc( material.depthFunc ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + state.setColorWrite( material.colorWrite ); + state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + + } + + function setProgram( camera, fog, material, object ) { + + _usedTextureUnits = 0; + + var materialProperties = properties.get( material ); + + if ( _clippingEnabled ) { + + if ( _localClippingEnabled || camera !== _currentCamera ) { + + var useCache = + camera === _currentCamera && + material.id === _currentMaterialId; + + // we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + _clipping.setState( + material.clippingPlanes, material.clipIntersection, material.clipShadows, + camera, materialProperties, useCache ); + + } + + } + + if ( material.needsUpdate === false ) { + + if ( materialProperties.program === undefined ) { + + material.needsUpdate = true; + + } else if ( material.fog && materialProperties.fog !== fog ) { + + material.needsUpdate = true; + + } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { + + material.needsUpdate = true; + + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== _clipping.numPlanes || + materialProperties.numIntersection !== _clipping.numIntersection ) ) { + + material.needsUpdate = true; + + } + + } + + if ( material.needsUpdate ) { + + initMaterial( material, fog, object ); + material.needsUpdate = false; + + } + + var refreshProgram = false; + var refreshMaterial = false; + var refreshLights = false; + + var program = materialProperties.program, + p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.__webglShader.uniforms; + + if ( program.id !== _currentProgram ) { + + _gl.useProgram( program.program ); + _currentProgram = program.id; + + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + + } + + if ( material.id !== _currentMaterialId ) { + + _currentMaterialId = material.id; + + refreshMaterial = true; + + } + + if ( refreshProgram || camera !== _currentCamera ) { + + p_uniforms.set( _gl, camera, 'projectionMatrix' ); + + if ( capabilities.logarithmicDepthBuffer ) { + + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + + } + + + if ( camera !== _currentCamera ) { + + _currentCamera = camera; + + // lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: + + refreshMaterial = true; // set to true on material change + refreshLights = true; // remains set until update done + + } + + // load material specific uniforms + // (shader material also gets them for the sake of genericity) + + if ( material.isShaderMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.envMap ) { + + var uCamPos = p_uniforms.map.cameraPosition; + + if ( uCamPos !== undefined ) { + + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + + } + + } + + if ( material.isMeshPhongMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.skinning ) { + + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + + } + + p_uniforms.set( _gl, _this, 'toneMappingExposure' ); + p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); + + } + + // skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // not sure why, but otherwise weird things happen + + if ( material.skinning ) { + + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + + var skeleton = object.skeleton; + + if ( skeleton ) { + + if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { + + p_uniforms.set( _gl, skeleton, 'boneTexture' ); + p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); + p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); + + } else { + + p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + + } + + } + + } + + if ( refreshMaterial ) { + + if ( material.lights ) { + + // the current material requires lighting info + + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required + + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + + } + + // refresh uniforms common to several materials + + if ( fog && material.fog ) { + + refreshUniformsFog( m_uniforms, fog ); + + } + + if ( material.isMeshBasicMaterial || + material.isMeshLambertMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.isMeshDepthMaterial ) { + + refreshUniformsCommon( m_uniforms, material ); + + } + + // refresh single material specific uniforms + + if ( material.isLineBasicMaterial ) { + + refreshUniformsLine( m_uniforms, material ); + + } else if ( material.isLineDashedMaterial ) { + + refreshUniformsLine( m_uniforms, material ); + refreshUniformsDash( m_uniforms, material ); + + } else if ( material.isPointsMaterial ) { + + refreshUniformsPoints( m_uniforms, material ); + + } else if ( material.isMeshLambertMaterial ) { + + refreshUniformsLambert( m_uniforms, material ); + + } else if ( material.isMeshPhongMaterial ) { + + refreshUniformsPhong( m_uniforms, material ); + + } else if ( material.isMeshPhysicalMaterial ) { + + refreshUniformsPhysical( m_uniforms, material ); + + } else if ( material.isMeshStandardMaterial ) { + + refreshUniformsStandard( m_uniforms, material ); + + } else if ( material.isMeshDepthMaterial ) { + + if ( material.displacementMap ) { + + m_uniforms.displacementMap.value = material.displacementMap; + m_uniforms.displacementScale.value = material.displacementScale; + m_uniforms.displacementBias.value = material.displacementBias; + + } + + } else if ( material.isMeshNormalMaterial ) { + + m_uniforms.opacity.value = material.opacity; + + } + + WebGLUniforms.upload( + _gl, materialProperties.uniformsList, m_uniforms, _this ); + + } + + + // common matrices + + p_uniforms.set( _gl, object, 'modelViewMatrix' ); + p_uniforms.set( _gl, object, 'normalMatrix' ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + + return program; + + } + + // Uniforms (refresh uniforms objects) + + function refreshUniformsCommon( uniforms, material ) { + + uniforms.opacity.value = material.opacity; + + uniforms.diffuse.value = material.color; + + if ( material.emissive ) { + + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + + } + + uniforms.map.value = material.map; + uniforms.specularMap.value = material.specularMap; + uniforms.alphaMap.value = material.alphaMap; + + if ( material.aoMap ) { + + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. normal map + // 4. bump map + // 5. alpha map + // 6. emissive map + + var uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.specularMap ) { + + uvScaleMap = material.specularMap; + + } else if ( material.displacementMap ) { + + uvScaleMap = material.displacementMap; + + } else if ( material.normalMap ) { + + uvScaleMap = material.normalMap; + + } else if ( material.bumpMap ) { + + uvScaleMap = material.bumpMap; + + } else if ( material.roughnessMap ) { + + uvScaleMap = material.roughnessMap; + + } else if ( material.metalnessMap ) { + + uvScaleMap = material.metalnessMap; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } else if ( material.emissiveMap ) { + + uvScaleMap = material.emissiveMap; + + } + + if ( uvScaleMap !== undefined ) { + + // backwards compatibility + if ( uvScaleMap.isWebGLRenderTarget ) { + + uvScaleMap = uvScaleMap.texture; + + } + + var offset = uvScaleMap.offset; + var repeat = uvScaleMap.repeat; + + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + + } + + uniforms.envMap.value = material.envMap; + + // don't flip CubeTexture envMaps, flip everything else: + // WebGLRenderTargetCube will be flipped for backwards compatibility + // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture + // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future + uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; + + uniforms.reflectivity.value = material.reflectivity; + uniforms.refractionRatio.value = material.refractionRatio; + + } + + function refreshUniformsLine( uniforms, material ) { + + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; + + } + + function refreshUniformsDash( uniforms, material ) { + + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + + } + + function refreshUniformsPoints( uniforms, material ) { + + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * _pixelRatio; + uniforms.scale.value = _height * 0.5; + + uniforms.map.value = material.map; + + if ( material.map !== null ) { + + var offset = material.map.offset; + var repeat = material.map.repeat; + + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + + } + + } + + function refreshUniformsFog( uniforms, fog ) { + + uniforms.fogColor.value = fog.color; + + if ( fog.isFog ) { + + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + + } else if ( fog.isFogExp2 ) { + + uniforms.fogDensity.value = fog.density; + + } + + } + + function refreshUniformsLambert( uniforms, material ) { + + if ( material.lightMap ) { + + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + } + + function refreshUniformsPhong( uniforms, material ) { + + uniforms.specular.value = material.specular; + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) + + if ( material.lightMap ) { + + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + } + + function refreshUniformsStandard( uniforms, material ) { + + uniforms.roughness.value = material.roughness; + uniforms.metalness.value = material.metalness; + + if ( material.roughnessMap ) { + + uniforms.roughnessMap.value = material.roughnessMap; + + } + + if ( material.metalnessMap ) { + + uniforms.metalnessMap.value = material.metalnessMap; + + } + + if ( material.lightMap ) { + + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + if ( material.envMap ) { + + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; + + } + + } + + function refreshUniformsPhysical( uniforms, material ) { + + uniforms.clearCoat.value = material.clearCoat; + uniforms.clearCoatRoughness.value = material.clearCoatRoughness; + + refreshUniformsStandard( uniforms, material ); + + } + + // If uniforms are marked as clean, they don't need to be loaded to the GPU. + + function markUniformsLightsNeedsUpdate( uniforms, value ) { + + uniforms.ambientLightColor.needsUpdate = value; + + uniforms.directionalLights.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + + } + + // Lighting + + function setupShadows( lights ) { + + var lightShadowsLength = 0; + + for ( var i = 0, l = lights.length; i < l; i ++ ) { + + var light = lights[ i ]; + + if ( light.castShadow ) { + + _lights.shadows[ lightShadowsLength ++ ] = light; + + } + + } + + _lights.shadows.length = lightShadowsLength; + + } + + function setupLights( lights, camera ) { + + var l, ll, light, + r = 0, g = 0, b = 0, + color, + intensity, + distance, + shadowMap, + + viewMatrix = camera.matrixWorldInverse, + + directionalLength = 0, + pointLength = 0, + spotLength = 0, + hemiLength = 0; + + for ( l = 0, ll = lights.length; l < ll; l ++ ) { + + light = lights[ l ]; + + color = light.color; + intensity = light.intensity; + distance = light.distance; + + shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + + if ( light.isAmbientLight ) { + + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; + + } else if ( light.isDirectionalLight ) { + + var uniforms = lightCache.get( light ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.directionalShadowMap[ directionalLength ] = shadowMap; + _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + _lights.directional[ directionalLength ++ ] = uniforms; + + } else if ( light.isSpotLight ) { + + var uniforms = lightCache.get( light ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.distance = distance; + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.spotShadowMap[ spotLength ] = shadowMap; + _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + _lights.spot[ spotLength ++ ] = uniforms; + + } else if ( light.isPointLight ) { + + var uniforms = lightCache.get( light ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.distance = light.distance; + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + + uniforms.shadow = light.castShadow; + + if ( light.castShadow ) { + + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; + + } + + _lights.pointShadowMap[ pointLength ] = shadowMap; + + if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { + + _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); + + } + + // for point lights we set the shadow matrix to be a translation-only matrix + // equal to inverse of the light's position + _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); + _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); + + _lights.point[ pointLength ++ ] = uniforms; + + } else if ( light.isHemisphereLight ) { + + var uniforms = lightCache.get( light ); + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + uniforms.direction.normalize(); + + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + + _lights.hemi[ hemiLength ++ ] = uniforms; + + } + + } + + _lights.ambient[ 0 ] = r; + _lights.ambient[ 1 ] = g; + _lights.ambient[ 2 ] = b; + + _lights.directional.length = directionalLength; + _lights.spot.length = spotLength; + _lights.point.length = pointLength; + _lights.hemi.length = hemiLength; + + _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length; + + } + + // GL state setting + + this.setFaceCulling = function ( cullFace, frontFaceDirection ) { + + state.setCullFace( cullFace ); + state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); + + }; + + // Textures + + function allocTextureUnit() { + + var textureUnit = _usedTextureUnits; + + if ( textureUnit >= capabilities.maxTextures ) { + + console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); + + } + + _usedTextureUnits += 1; + + return textureUnit; + + } + + this.allocTextureUnit = allocTextureUnit; + + // this.setTexture2D = setTexture2D; + this.setTexture2D = ( function() { + + var warned = false; + + // backwards compatibility: peel texture.texture + return function setTexture2D( texture, slot ) { + + if ( texture && texture.isWebGLRenderTarget ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); + warned = true; + + } + + texture = texture.texture; + + } + + textures.setTexture2D( texture, slot ); + + }; + + }() ); + + this.setTexture = ( function() { + + var warned = false; + + return function setTexture( texture, slot ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); + warned = true; + + } + + textures.setTexture2D( texture, slot ); + + }; + + }() ); + + this.setTextureCube = ( function() { + + var warned = false; + + return function setTextureCube( texture, slot ) { + + // backwards compatibility: peel texture.texture + if ( texture && texture.isWebGLRenderTargetCube ) { + + if ( ! warned ) { + + console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); + warned = true; + + } + + texture = texture.texture; + + } + + // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture + // TODO: unify these code paths + if ( ( texture && texture.isCubeTexture ) || + ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { + + // CompressedTexture can have Array in image :/ + + // this function alone should take care of cube textures + textures.setTextureCube( texture, slot ); + + } else { + + // assumed: texture property of THREE.WebGLRenderTargetCube + + textures.setTextureCubeDynamic( texture, slot ); + + } + + }; + + }() ); + + this.getCurrentRenderTarget = function() { + + return _currentRenderTarget; + + }; + + this.setRenderTarget = function ( renderTarget ) { + + _currentRenderTarget = renderTarget; + + if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { + + textures.setupRenderTarget( renderTarget ); + + } + + var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); + var framebuffer; + + if ( renderTarget ) { + + var renderTargetProperties = properties.get( renderTarget ); + + if ( isCube ) { + + framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; + + } else { + + framebuffer = renderTargetProperties.__webglFramebuffer; + + } + + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; + + _currentViewport.copy( renderTarget.viewport ); + + } else { + + framebuffer = null; + + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); + _currentScissorTest = _scissorTest; + + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); + + } + + if ( _currentFramebuffer !== framebuffer ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _currentFramebuffer = framebuffer; + + } + + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); + + state.viewport( _currentViewport ); + + if ( isCube ) { + + var textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); + + } + + }; + + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { + + if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; + + } + + var framebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( framebuffer ) { + + var restore = false; + + if ( framebuffer !== _currentFramebuffer ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + + restore = true; + + } + + try { + + var texture = renderTarget.texture; + var textureFormat = texture.format; + var textureType = texture.type; + + if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; + + } + + if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; + + } + + if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { + + // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + + _gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); + + } + + } else { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); + + } + + } finally { + + if ( restore ) { + + _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); + + } + + } + + } + + }; + + // Map three.js constants to WebGL constants + + function paramThreeToGL( p ) { + + var extension; + + if ( p === RepeatWrapping ) return _gl.REPEAT; + if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; + if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; + + if ( p === NearestFilter ) return _gl.NEAREST; + if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; + if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; + + if ( p === LinearFilter ) return _gl.LINEAR; + if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; + if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; + + if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; + + if ( p === ByteType ) return _gl.BYTE; + if ( p === ShortType ) return _gl.SHORT; + if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; + if ( p === IntType ) return _gl.INT; + if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; + if ( p === FloatType ) return _gl.FLOAT; + + if ( p === HalfFloatType ) { + + extension = extensions.get( 'OES_texture_half_float' ); + + if ( extension !== null ) return extension.HALF_FLOAT_OES; + + } + + if ( p === AlphaFormat ) return _gl.ALPHA; + if ( p === RGBFormat ) return _gl.RGB; + if ( p === RGBAFormat ) return _gl.RGBA; + if ( p === LuminanceFormat ) return _gl.LUMINANCE; + if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; + if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; + + if ( p === AddEquation ) return _gl.FUNC_ADD; + if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; + if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; + + if ( p === ZeroFactor ) return _gl.ZERO; + if ( p === OneFactor ) return _gl.ONE; + if ( p === SrcColorFactor ) return _gl.SRC_COLOR; + if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; + if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; + if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; + if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; + if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; + + if ( p === DstColorFactor ) return _gl.DST_COLOR; + if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; + if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; + + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || + p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + + } + + } + + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || + p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + + if ( extension !== null ) { + + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + + } + + } + + if ( p === RGB_ETC1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + + if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; + + } + + if ( p === MinEquation || p === MaxEquation ) { + + extension = extensions.get( 'EXT_blend_minmax' ); + + if ( extension !== null ) { + + if ( p === MinEquation ) return extension.MIN_EXT; + if ( p === MaxEquation ) return extension.MAX_EXT; + + } + + } + + if ( p === UnsignedInt248Type ) { + + extension = extensions.get( 'WEBGL_depth_texture' ); + + if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; + + } + + return 0; + + } + + } + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function FogExp2 ( color, density ) { + + this.name = ''; + + this.color = new Color( color ); + this.density = ( density !== undefined ) ? density : 0.00025; + + } + + FogExp2.prototype.isFogExp2 = true; + + FogExp2.prototype.clone = function () { + + return new FogExp2( this.color.getHex(), this.density ); + + }; + + FogExp2.prototype.toJSON = function ( meta ) { + + return { + type: 'FogExp2', + color: this.color.getHex(), + density: this.density + }; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Fog ( color, near, far ) { + + this.name = ''; + + this.color = new Color( color ); + + this.near = ( near !== undefined ) ? near : 1; + this.far = ( far !== undefined ) ? far : 1000; + + } + + Fog.prototype.isFog = true; + + Fog.prototype.clone = function () { + + return new Fog( this.color.getHex(), this.near, this.far ); + + }; + + Fog.prototype.toJSON = function ( meta ) { + + return { + type: 'Fog', + color: this.color.getHex(), + near: this.near, + far: this.far + }; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Scene () { + + Object3D.call( this ); + + this.type = 'Scene'; + + this.background = null; + this.fog = null; + this.overrideMaterial = null; + + this.autoUpdate = true; // checked by the renderer + + } + + Scene.prototype = Object.create( Object3D.prototype ); + + Scene.prototype.constructor = Scene; + + Scene.prototype.copy = function ( source, recursive ) { + + Object3D.prototype.copy.call( this, source, recursive ); + + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + + this.autoUpdate = source.autoUpdate; + this.matrixAutoUpdate = source.matrixAutoUpdate; + + return this; + + }; + + Scene.prototype.toJSON = function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + + return data; + + }; + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + + function LensFlare( texture, size, distance, blending, color ) { + + Object3D.call( this ); + + this.lensFlares = []; + + this.positionScreen = new Vector3(); + this.customUpdateCallback = undefined; + + if ( texture !== undefined ) { + + this.add( texture, size, distance, blending, color ); + + } + + } + + LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: LensFlare, + + isLensFlare: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.positionScreen.copy( source.positionScreen ); + this.customUpdateCallback = source.customUpdateCallback; + + for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) { + + this.lensFlares.push( source.lensFlares[ i ] ); + + } + + return this; + + }, + + add: function ( texture, size, distance, blending, color, opacity ) { + + if ( size === undefined ) size = - 1; + if ( distance === undefined ) distance = 0; + if ( opacity === undefined ) opacity = 1; + if ( color === undefined ) color = new Color( 0xffffff ); + if ( blending === undefined ) blending = NormalBlending; + + distance = Math.min( distance, Math.max( 0, distance ) ); + + this.lensFlares.push( { + texture: texture, // THREE.Texture + size: size, // size in pixels (-1 = use texture.width) + distance: distance, // distance (0-1) from light source (0=at light source) + x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back + scale: 1, // scale + rotation: 0, // rotation + opacity: opacity, // opacity + color: color, // color + blending: blending // blending + } ); + + }, + + /* + * Update lens flares update positions on all flares based on the screen position + * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way. + */ + + updateLensFlares: function () { + + var f, fl = this.lensFlares.length; + var flare; + var vecX = - this.positionScreen.x * 2; + var vecY = - this.positionScreen.y * 2; + + for ( f = 0; f < fl; f ++ ) { + + flare = this.lensFlares[ f ]; + + flare.x = this.positionScreen.x + vecX * flare.distance; + flare.y = this.positionScreen.y + vecY * flare.distance; + + flare.wantedRotation = flare.x * Math.PI * 0.25; + flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25; + + } + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * uvOffset: new THREE.Vector2(), + * uvScale: new THREE.Vector2() + * } + */ + + function SpriteMaterial( parameters ) { + + Material.call( this ); + + this.type = 'SpriteMaterial'; + + this.color = new Color( 0xffffff ); + this.map = null; + + this.rotation = 0; + + this.fog = false; + this.lights = false; + + this.setValues( parameters ); + + } + + SpriteMaterial.prototype = Object.create( Material.prototype ); + SpriteMaterial.prototype.constructor = SpriteMaterial; + + SpriteMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.map = source.map; + + this.rotation = source.rotation; + + return this; + + }; + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Sprite( material ) { + + Object3D.call( this ); + + this.type = 'Sprite'; + + this.material = ( material !== undefined ) ? material : new SpriteMaterial(); + + } + + Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Sprite, + + isSprite: true, + + raycast: ( function () { + + var matrixPosition = new Vector3(); + + return function raycast( raycaster, intersects ) { + + matrixPosition.setFromMatrixPosition( this.matrixWorld ); + + var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition ); + var guessSizeSq = this.scale.x * this.scale.y / 4; + + if ( distanceSq > guessSizeSq ) { + + return; + + } + + intersects.push( { + + distance: Math.sqrt( distanceSq ), + point: this.position, + face: null, + object: this + + } ); + + }; + + }() ), + + clone: function () { + + return new this.constructor( this.material ).copy( this ); + + } + + } ); + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + function LOD() { + + Object3D.call( this ); + + this.type = 'LOD'; + + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + } + } ); + + } + + + LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: LOD, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source, false ); + + var levels = source.levels; + + for ( var i = 0, l = levels.length; i < l; i ++ ) { + + var level = levels[ i ]; + + this.addLevel( level.object.clone(), level.distance ); + + } + + return this; + + }, + + addLevel: function ( object, distance ) { + + if ( distance === undefined ) distance = 0; + + distance = Math.abs( distance ); + + var levels = this.levels; + + for ( var l = 0; l < levels.length; l ++ ) { + + if ( distance < levels[ l ].distance ) { + + break; + + } + + } + + levels.splice( l, 0, { distance: distance, object: object } ); + + this.add( object ); + + }, + + getObjectForDistance: function ( distance ) { + + var levels = this.levels; + + for ( var i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance < levels[ i ].distance ) { + + break; + + } + + } + + return levels[ i - 1 ].object; + + }, + + raycast: ( function () { + + var matrixPosition = new Vector3(); + + return function raycast( raycaster, intersects ) { + + matrixPosition.setFromMatrixPosition( this.matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( matrixPosition ); + + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + + }; + + }() ), + + update: function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function update( camera ) { + + var levels = this.levels; + + if ( levels.length > 1 ) { + + v1.setFromMatrixPosition( camera.matrixWorld ); + v2.setFromMatrixPosition( this.matrixWorld ); + + var distance = v1.distanceTo( v2 ); + + levels[ 0 ].object.visible = true; + + for ( var i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance >= levels[ i ].distance ) { + + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; + + } else { + + break; + + } + + } + + for ( ; i < l; i ++ ) { + + levels[ i ].object.visible = false; + + } + + } + + }; + + }(), + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.levels = []; + + var levels = this.levels; + + for ( var i = 0, l = levels.length; i < l; i ++ ) { + + var level = levels[ i ]; + + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance + } ); + + } + + return data; + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.image = { data: data, width: width, height: height }; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + + DataTexture.prototype = Object.create( Texture.prototype ); + DataTexture.prototype.constructor = DataTexture; + + DataTexture.prototype.isDataTexture = true; + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author michael guerrero / http://realitymeltdown.com + * @author ikerr / http://verold.com + */ + + function Skeleton( bones, boneInverses, useVertexTexture ) { + + this.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true; + + this.identityMatrix = new Matrix4(); + + // copy the bone array + + bones = bones || []; + + this.bones = bones.slice( 0 ); + + // create a bone texture or an array of floats + + if ( this.useVertexTexture ) { + + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + + + var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix + size = _Math.nextPowerOfTwo( Math.ceil( size ) ); + size = Math.max( size, 4 ); + + this.boneTextureWidth = size; + this.boneTextureHeight = size; + + this.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel + this.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType ); + + } else { + + this.boneMatrices = new Float32Array( 16 * this.bones.length ); + + } + + // use the supplied bone inverses or calculate the inverses + + if ( boneInverses === undefined ) { + + this.calculateInverses(); + + } else { + + if ( this.bones.length === boneInverses.length ) { + + this.boneInverses = boneInverses.slice( 0 ); + + } else { + + console.warn( 'THREE.Skeleton bonInverses is the wrong length.' ); + + this.boneInverses = []; + + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + + this.boneInverses.push( new Matrix4() ); + + } + + } + + } + + } + + Object.assign( Skeleton.prototype, { + + calculateInverses: function () { + + this.boneInverses = []; + + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + + var inverse = new Matrix4(); + + if ( this.bones[ b ] ) { + + inverse.getInverse( this.bones[ b ].matrixWorld ); + + } + + this.boneInverses.push( inverse ); + + } + + }, + + pose: function () { + + var bone; + + // recover the bind-time world matrices + + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + + bone = this.bones[ b ]; + + if ( bone ) { + + bone.matrixWorld.getInverse( this.boneInverses[ b ] ); + + } + + } + + // compute the local matrices, positions, rotations and scales + + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + + bone = this.bones[ b ]; + + if ( bone ) { + + if ( (bone.parent && bone.parent.isBone) ) { + + bone.matrix.getInverse( bone.parent.matrixWorld ); + bone.matrix.multiply( bone.matrixWorld ); + + } else { + + bone.matrix.copy( bone.matrixWorld ); + + } + + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + + } + + } + + }, + + update: ( function () { + + var offsetMatrix = new Matrix4(); + + return function update() { + + // flatten bone matrices to array + + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + + // compute the offset between the current and the original transform + + var matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix; + + offsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] ); + offsetMatrix.toArray( this.boneMatrices, b * 16 ); + + } + + if ( this.useVertexTexture ) { + + this.boneTexture.needsUpdate = true; + + } + + }; + + } )(), + + clone: function () { + + return new Skeleton( this.bones, this.boneInverses, this.useVertexTexture ); + + } + + } ); + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ + + function Bone( skin ) { + + Object3D.call( this ); + + this.type = 'Bone'; + + this.skin = skin; + + } + + Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Bone, + + isBone: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.skin = source.skin; + + return this; + + } + + } ); + + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ + + function SkinnedMesh( geometry, material, useVertexTexture ) { + + Mesh.call( this, geometry, material ); + + this.type = 'SkinnedMesh'; + + this.bindMode = "attached"; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + + // init bones + + // TODO: remove bone creation as there is no reason (other than + // convenience) for THREE.SkinnedMesh to do this. + + var bones = []; + + if ( this.geometry && this.geometry.bones !== undefined ) { + + var bone, gbone; + + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + + gbone = this.geometry.bones[ b ]; + + bone = new Bone( this ); + bones.push( bone ); + + bone.name = gbone.name; + bone.position.fromArray( gbone.pos ); + bone.quaternion.fromArray( gbone.rotq ); + if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); + + } + + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + + gbone = this.geometry.bones[ b ]; + + if ( gbone.parent !== - 1 && gbone.parent !== null && + bones[ gbone.parent ] !== undefined ) { + + bones[ gbone.parent ].add( bones[ b ] ); + + } else { + + this.add( bones[ b ] ); + + } + + } + + } + + this.normalizeSkinWeights(); + + this.updateMatrixWorld( true ); + this.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld ); + + } + + + SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { + + constructor: SkinnedMesh, + + isSkinnedMesh: true, + + bind: function( skeleton, bindMatrix ) { + + this.skeleton = skeleton; + + if ( bindMatrix === undefined ) { + + this.updateMatrixWorld( true ); + + this.skeleton.calculateInverses(); + + bindMatrix = this.matrixWorld; + + } + + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.getInverse( bindMatrix ); + + }, + + pose: function () { + + this.skeleton.pose(); + + }, + + normalizeSkinWeights: function () { + + if ( (this.geometry && this.geometry.isGeometry) ) { + + for ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) { + + var sw = this.geometry.skinWeights[ i ]; + + var scale = 1.0 / sw.lengthManhattan(); + + if ( scale !== Infinity ) { + + sw.multiplyScalar( scale ); + + } else { + + sw.set( 1, 0, 0, 0 ); // do something reasonable + + } + + } + + } else if ( (this.geometry && this.geometry.isBufferGeometry) ) { + + var vec = new Vector4(); + + var skinWeight = this.geometry.attributes.skinWeight; + + for ( var i = 0; i < skinWeight.count; i ++ ) { + + vec.x = skinWeight.getX( i ); + vec.y = skinWeight.getY( i ); + vec.z = skinWeight.getZ( i ); + vec.w = skinWeight.getW( i ); + + var scale = 1.0 / vec.lengthManhattan(); + + if ( scale !== Infinity ) { + + vec.multiplyScalar( scale ); + + } else { + + vec.set( 1, 0, 0, 0 ); // do something reasonable + + } + + skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w ); + + } + + } + + }, + + updateMatrixWorld: function( force ) { + + Mesh.prototype.updateMatrixWorld.call( this, true ); + + if ( this.bindMode === "attached" ) { + + this.bindMatrixInverse.getInverse( this.matrixWorld ); + + } else if ( this.bindMode === "detached" ) { + + this.bindMatrixInverse.getInverse( this.bindMatrix ); + + } else { + + console.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode ); + + } + + }, + + clone: function() { + + return new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this ); + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * linecap: "round", + * linejoin: "round" + * } + */ + + function LineBasicMaterial( parameters ) { + + Material.call( this ); + + this.type = 'LineBasicMaterial'; + + this.color = new Color( 0xffffff ); + + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; + + this.lights = false; + + this.setValues( parameters ); + + } + + LineBasicMaterial.prototype = Object.create( Material.prototype ); + LineBasicMaterial.prototype.constructor = LineBasicMaterial; + + LineBasicMaterial.prototype.isLineBasicMaterial = true; + + LineBasicMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Line( geometry, material, mode ) { + + if ( mode === 1 ) { + + console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' ); + return new LineSegments( geometry, material ); + + } + + Object3D.call( this ); + + this.type = 'Line'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); + + } + + Line.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Line, + + isLine: true, + + raycast: ( function () { + + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); + + return function raycast( raycaster, intersects ) { + + var precision = raycaster.linePrecision; + var precisionSq = precision * precision; + + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + + // + + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + + var vStart = new Vector3(); + var vEnd = new Vector3(); + var interSegment = new Vector3(); + var interRay = new Vector3(); + var step = (this && this.isLineSegments) ? 2 : 1; + + if ( (geometry && geometry.isBufferGeometry) ) { + + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; + + if ( index !== null ) { + + var indices = index.array; + + for ( var i = 0, l = indices.length - 1; i < l; i += step ) { + + var a = indices[ i ]; + var b = indices[ i + 1 ]; + + vStart.fromArray( positions, a * 3 ); + vEnd.fromArray( positions, b * 3 ); + + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > precisionSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } else { + + for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { + + vStart.fromArray( positions, 3 * i ); + vEnd.fromArray( positions, 3 * i + 3 ); + + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > precisionSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } + + } else if ( (geometry && geometry.isGeometry) ) { + + var vertices = geometry.vertices; + var nbVertices = vertices.length; + + for ( var i = 0; i < nbVertices - 1; i += step ) { + + var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); + + if ( distSq > precisionSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + var distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } + + }; + + }() ), + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function LineSegments( geometry, material ) { + + Line.call( this, geometry, material ); + + this.type = 'LineSegments'; + + } + + LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { + + constructor: LineSegments, + + isLineSegments: true + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * size: , + * sizeAttenuation: + * } + */ + + function PointsMaterial( parameters ) { + + Material.call( this ); + + this.type = 'PointsMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.size = 1; + this.sizeAttenuation = true; + + this.lights = false; + + this.setValues( parameters ); + + } + + PointsMaterial.prototype = Object.create( Material.prototype ); + PointsMaterial.prototype.constructor = PointsMaterial; + + PointsMaterial.prototype.isPointsMaterial = true; + + PointsMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + + return this; + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function Points( geometry, material ) { + + Object3D.call( this ); + + this.type = 'Points'; + + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); + + } + + Points.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Points, + + isPoints: true, + + raycast: ( function () { + + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); + + return function raycast( raycaster, intersects ) { + + var object = this; + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + var threshold = raycaster.params.Points.threshold; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + + // + + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + + var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + var localThresholdSq = localThreshold * localThreshold; + var position = new Vector3(); + + function testPoint( point, index ) { + + var rayPointDistanceSq = ray.distanceSqToPoint( point ); + + if ( rayPointDistanceSq < localThresholdSq ) { + + var intersectPoint = ray.closestPointToPoint( point ); + intersectPoint.applyMatrix4( matrixWorld ); + + var distance = raycaster.ray.origin.distanceTo( intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint.clone(), + index: index, + face: null, + object: object + + } ); + + } + + } + + if ( (geometry && geometry.isBufferGeometry) ) { + + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; + + if ( index !== null ) { + + var indices = index.array; + + for ( var i = 0, il = indices.length; i < il; i ++ ) { + + var a = indices[ i ]; + + position.fromArray( positions, a * 3 ); + + testPoint( position, a ); + + } + + } else { + + for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { + + position.fromArray( positions, i * 3 ); + + testPoint( position, i ); + + } + + } + + } else { + + var vertices = geometry.vertices; + + for ( var i = 0, l = vertices.length; i < l; i ++ ) { + + testPoint( vertices[ i ], i ); + + } + + } + + }; + + }() ), + + clone: function () { + + return new this.constructor( this.geometry, this.material ).copy( this ); + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Group() { + + Object3D.call( this ); + + this.type = 'Group'; + + } + + Group.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Group + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.generateMipmaps = false; + + var scope = this; + + function update() { + + requestAnimationFrame( update ); + + if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + + scope.needsUpdate = true; + + } + + } + + update(); + + } + + VideoTexture.prototype = Object.create( Texture.prototype ); + VideoTexture.prototype.constructor = VideoTexture; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; + + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) + + this.flipY = false; + + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + + this.generateMipmaps = false; + + } + + CompressedTexture.prototype = Object.create( Texture.prototype ); + CompressedTexture.prototype.constructor = CompressedTexture; + + CompressedTexture.prototype.isCompressedTexture = true; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.needsUpdate = true; + + } + + CanvasTexture.prototype = Object.create( Texture.prototype ); + CanvasTexture.prototype.constructor = CanvasTexture; + + /** + * @author Matt DesLauriers / @mattdesl + * @author atix / arthursilber.de + */ + + function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { + + format = format !== undefined ? format : DepthFormat; + + if ( format !== DepthFormat && format !== DepthStencilFormat ) { + + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ) + + } + + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.image = { width: width, height: height }; + + this.type = type !== undefined ? type : UnsignedShortType; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.flipY = false; + this.generateMipmaps = false; + + } + + DepthTexture.prototype = Object.create( Texture.prototype ); + DepthTexture.prototype.constructor = DepthTexture; + DepthTexture.prototype.isDepthTexture = true; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function WireframeGeometry( geometry ) { + + BufferGeometry.call( this ); + + var edge = [ 0, 0 ], hash = {}; + + function sortFunction( a, b ) { + + return a - b; + + } + + var keys = [ 'a', 'b', 'c' ]; + + if ( (geometry && geometry.isGeometry) ) { + + var vertices = geometry.vertices; + var faces = geometry.faces; + var numEdges = 0; + + // allocate maximal size + var edges = new Uint32Array( 6 * faces.length ); + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + for ( var j = 0; j < 3; j ++ ) { + + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); + + var key = edge.toString(); + + if ( hash[ key ] === undefined ) { + + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; + + } + + } + + } + + var coords = new Float32Array( numEdges * 2 * 3 ); + + for ( var i = 0, l = numEdges; i < l; i ++ ) { + + for ( var j = 0; j < 2; j ++ ) { + + var vertex = vertices[ edges [ 2 * i + j ] ]; + + var index = 6 * i + 3 * j; + coords[ index + 0 ] = vertex.x; + coords[ index + 1 ] = vertex.y; + coords[ index + 2 ] = vertex.z; + + } + + } + + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + + } else if ( (geometry && geometry.isBufferGeometry) ) { + + if ( geometry.index !== null ) { + + // Indexed BufferGeometry + + var indices = geometry.index.array; + var vertices = geometry.attributes.position; + var groups = geometry.groups; + var numEdges = 0; + + if ( groups.length === 0 ) { + + geometry.addGroup( 0, indices.length ); + + } + + // allocate maximal size + var edges = new Uint32Array( 2 * indices.length ); + + for ( var o = 0, ol = groups.length; o < ol; ++ o ) { + + var group = groups[ o ]; + + var start = group.start; + var count = group.count; + + for ( var i = start, il = start + count; i < il; i += 3 ) { + + for ( var j = 0; j < 3; j ++ ) { + + edge[ 0 ] = indices[ i + j ]; + edge[ 1 ] = indices[ i + ( j + 1 ) % 3 ]; + edge.sort( sortFunction ); + + var key = edge.toString(); + + if ( hash[ key ] === undefined ) { + + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; + + } + + } + + } + + } + + var coords = new Float32Array( numEdges * 2 * 3 ); + + for ( var i = 0, l = numEdges; i < l; i ++ ) { + + for ( var j = 0; j < 2; j ++ ) { + + var index = 6 * i + 3 * j; + var index2 = edges[ 2 * i + j ]; + + coords[ index + 0 ] = vertices.getX( index2 ); + coords[ index + 1 ] = vertices.getY( index2 ); + coords[ index + 2 ] = vertices.getZ( index2 ); + + } + + } + + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + + } else { + + // non-indexed BufferGeometry + + var vertices = geometry.attributes.position.array; + var numEdges = vertices.length / 3; + var numTris = numEdges / 3; + + var coords = new Float32Array( numEdges * 2 * 3 ); + + for ( var i = 0, l = numTris; i < l; i ++ ) { + + for ( var j = 0; j < 3; j ++ ) { + + var index = 18 * i + 6 * j; + + var index1 = 9 * i + 3 * j; + coords[ index + 0 ] = vertices[ index1 ]; + coords[ index + 1 ] = vertices[ index1 + 1 ]; + coords[ index + 2 ] = vertices[ index1 + 2 ]; + + var index2 = 9 * i + 3 * ( ( j + 1 ) % 3 ); + coords[ index + 3 ] = vertices[ index2 ]; + coords[ index + 4 ] = vertices[ index2 + 1 ]; + coords[ index + 5 ] = vertices[ index2 + 2 ]; + + } + + } + + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + + } + + } + + } + + WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); + WireframeGeometry.prototype.constructor = WireframeGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + */ + + function ParametricBufferGeometry( func, slices, stacks ) { + + BufferGeometry.call( this ); + + this.type = 'ParametricBufferGeometry'; + + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; + + // generate vertices and uvs + + var vertices = []; + var uvs = []; + + var i, j, p; + var u, v; + + var sliceCount = slices + 1; + + for ( i = 0; i <= stacks; i ++ ) { + + v = i / stacks; + + for ( j = 0; j <= slices; j ++ ) { + + u = j / slices; + + p = func( u, v ); + vertices.push( p.x, p.y, p.z ); + + uvs.push( u, v ); + + } + + } + + // generate indices + + var indices = []; + var a, b, c, d; + + for ( i = 0; i < stacks; i ++ ) { + + for ( j = 0; j < slices; j ++ ) { + + a = i * sliceCount + j; + b = i * sliceCount + j + 1; + c = ( i + 1 ) * sliceCount + j + 1; + d = ( i + 1 ) * sliceCount + j; + + // faces one and two + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); + + // generate normals + + this.computeVertexNormals(); + + } + + ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; + + /** + * @author zz85 / https://github.com/zz85 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + */ + + function ParametricGeometry( func, slices, stacks ) { + + Geometry.call( this ); + + this.type = 'ParametricGeometry'; + + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; + + this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); + this.mergeVertices(); + + } + + ParametricGeometry.prototype = Object.create( Geometry.prototype ); + ParametricGeometry.prototype.constructor = ParametricGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { + + BufferGeometry.call( this ); + + this.type = 'PolyhedronBufferGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + radius = radius || 1; + detail = detail || 0; + + // default buffer data + + var vertexBuffer = []; + var uvBuffer = []; + + // the subdivision creates the vertex buffer data + + subdivide( detail ); + + // all vertices should lie on a conceptual sphere with a given radius + + appplyRadius( radius ); + + // finally, create the uv data + + generateUVs(); + + // build non-indexed geometry + + this.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) ); + this.normalizeNormals(); + + this.boundingSphere = new Sphere( new Vector3(), radius ); + + // helper functions + + function subdivide( detail ) { + + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); + + // iterate over all faces and apply a subdivison with the given detail value + + for ( var i = 0; i < indices.length; i += 3 ) { + + // get the vertices of the face + + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); + + // perform subdivision + + subdivideFace( a, b, c, detail ); + + } + + } + + function subdivideFace( a, b, c, detail ) { + + var cols = Math.pow( 2, detail ); + + // we use this multidimensional array as a data structure for creating the subdivision + + var v = []; + + var i, j; + + // construct all of the vertices for this subdivision + + for ( i = 0 ; i <= cols; i ++ ) { + + v[ i ] = []; + + var aj = a.clone().lerp( c, i / cols ); + var bj = b.clone().lerp( c, i / cols ); + + var rows = cols - i; + + for ( j = 0; j <= rows; j ++ ) { + + if ( j === 0 && i === cols ) { + + v[ i ][ j ] = aj; + + } else { + + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + + } + + } + + } + + // construct all of the faces + + for ( i = 0; i < cols ; i ++ ) { + + for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + + var k = Math.floor( j / 2 ); + + if ( j % 2 === 0 ) { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); + + } else { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + + } + + } + + } + + } + + function appplyRadius( radius ) { + + var vertex = new Vector3(); + + // iterate over the entire buffer and apply the radius to each vertex + + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + vertex.normalize().multiplyScalar( radius ); + + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; + + } + + } + + function generateUVs() { + + var vertex = new Vector3(); + + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + var u = azimuth( vertex ) / 2 / Math.PI + 0.5; + var v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); + + } + + correctUVs(); + + correctSeam(); + + } + + function correctSeam() { + + // handle case when face straddles the seam, see #3269 + + for ( var i = 0; i < uvBuffer.length; i += 6 ) { + + // uv data of a single face + + var x0 = uvBuffer[ i + 0 ]; + var x1 = uvBuffer[ i + 2 ]; + var x2 = uvBuffer[ i + 4 ]; + + var max = Math.max( x0, x1, x2 ); + var min = Math.min( x0, x1, x2 ); + + // 0.9 is somewhat arbitrary + + if ( max > 0.9 && min < 0.1 ) { + + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + + } + + } + + } + + function pushVertex( vertex ) { + + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + + } + + function getVertexByIndex( index, vertex ) { + + var stride = index * 3; + + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; + + } + + function correctUVs() { + + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); + + var centroid = new Vector3(); + + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); + + for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + + var azi = azimuth( centroid ); + + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); + + } + + } + + function correctUV( uv, stride, vector, azimuth ) { + + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; + + } + + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + + } + + } + + // Angle around the Y axis, counter-clockwise when looking from above. + + function azimuth( vector ) { + + return Math.atan2( vector.z, - vector.x ); + + } + + + // Angle above the XZ plane. + + function inclination( vector ) { + + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + + } + + } + + PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function TetrahedronBufferGeometry( radius, detail ) { + + var vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; + + var indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'TetrahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; + + /** + * @author timothypratley / https://github.com/timothypratley + */ + + function TetrahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'TetrahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + + } + + TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); + TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function OctahedronBufferGeometry( radius,detail ) { + + var vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; + + var indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'OctahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; + + /** + * @author timothypratley / https://github.com/timothypratley + */ + + function OctahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'OctahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + + } + + OctahedronGeometry.prototype = Object.create( Geometry.prototype ); + OctahedronGeometry.prototype.constructor = OctahedronGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function IcosahedronBufferGeometry( radius, detail ) { + + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + + var vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; + + var indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'IcosahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; + + /** + * @author timothypratley / https://github.com/timothypratley + */ + + function IcosahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'IcosahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + + } + + IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); + IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function DodecahedronBufferGeometry( radius, detail ) { + + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + var r = 1 / t; + + var vertices = [ + + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, + + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, + + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, + + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; + + var indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; + + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + + this.type = 'DodecahedronBufferGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; + + /** + * @author Abe Pazos / https://hamoid.com + */ + + function DodecahedronGeometry( radius, detail ) { + + Geometry.call( this ); + + this.type = 'DodecahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + + } + + DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); + DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; + + /** + * @author clockworkgeek / https://github.com/clockworkgeek + * @author timothypratley / https://github.com/timothypratley + * @author WestLangley / http://github.com/WestLangley + */ + + function PolyhedronGeometry( vertices, indices, radius, detail ) { + + Geometry.call( this ); + + this.type = 'PolyhedronGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); + this.mergeVertices(); + + } + + PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); + PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * Creates a tube which extrudes along a 3d spline. + * + */ + + function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { + + BufferGeometry.call( this ); + + this.type = 'TubeBufferGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + tubularSegments = tubularSegments || 64; + radius = radius || 1; + radialSegments = radialSegments || 8; + closed = closed || false; + + var frames = path.computeFrenetFrames( tubularSegments, closed ); + + // expose internals + + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + + // helper variables + + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); + + var i, j; + + // buffer + + var vertices = []; + var normals = []; + var uvs = []; + var indices = []; + + // create buffer data + + generateBufferData(); + + // build geometry + + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( normals, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); + + // functions + + function generateBufferData() { + + for ( i = 0; i < tubularSegments; i ++ ) { + + generateSegment( i ); + + } + + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + + generateSegment( ( closed === false ) ? tubularSegments : 0 ); + + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries + + generateUVs(); + + // finally create faces + + generateIndices(); + + } + + function generateSegment( i ) { + + // we use getPointAt to sample evenly distributed points from the given path + + var P = path.getPointAt( i / tubularSegments ); + + // retrieve corresponding normal and binormal + + var N = frames.normals[ i ]; + var B = frames.binormals[ i ]; + + // generate normals and vertices for the current segment + + for ( j = 0; j <= radialSegments; j ++ ) { + + var v = j / radialSegments * Math.PI * 2; + + var sin = Math.sin( v ); + var cos = - Math.cos( v ); + + // normal + + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // vertex + + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + function generateIndices() { + + for ( j = 1; j <= tubularSegments; j ++ ) { + + for ( i = 1; i <= radialSegments; i ++ ) { + + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + } + + function generateUVs() { + + for ( i = 0; i <= tubularSegments; i ++ ) { + + for ( j = 0; j <= radialSegments; j ++ ) { + + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + + uvs.push( uv.x, uv.y ); + + } + + } + + } + + } + + TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; + + /** + * @author oosmoxiecode / https://github.com/oosmoxiecode + * @author WestLangley / https://github.com/WestLangley + * @author zz85 / https://github.com/zz85 + * @author miningold / https://github.com/miningold + * @author jonobr1 / https://github.com/jonobr1 + * + * Creates a tube which extrudes along a 3d spline. + */ + + function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { + + Geometry.call( this ); + + this.type = 'TubeGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); + + var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); + + // expose internals + + this.tangents = bufferGeometry.tangents; + this.normals = bufferGeometry.normals; + this.binormals = bufferGeometry.binormals; + + // create geometry + + this.fromBufferGeometry( bufferGeometry ); + this.mergeVertices(); + + } + + TubeGeometry.prototype = Object.create( Geometry.prototype ); + TubeGeometry.prototype.constructor = TubeGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * see: http://www.blackpawn.com/texts/pqtorus/ + */ + function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { + + BufferGeometry.call( this ); + + this.type = 'TorusKnotBufferGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + radius = radius || 100; + tube = tube || 40; + tubularSegments = Math.floor( tubularSegments ) || 64; + radialSegments = Math.floor( radialSegments ) || 8; + p = p || 2; + q = q || 3; + + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; + + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + + // helper variables + var i, j, index = 0, indexOffset = 0; + + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); + + var P1 = new Vector3(); + var P2 = new Vector3(); + + var B = new Vector3(); + var T = new Vector3(); + var N = new Vector3(); + + // generate vertices, normals and uvs + + for ( i = 0; i <= tubularSegments; ++ i ) { + + // the radian "u" is used to calculate the position on the torus curve of the current tubular segement + + var u = i / tubularSegments * p * Math.PI * 2; + + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + + // calculate orthonormal basis + + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); + + // normalize B, N. T can be ignored, we don't use it + + B.normalize(); + N.normalize(); + + for ( j = 0; j <= radialSegments; ++ j ) { + + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + + var v = j / radialSegments * Math.PI * 2; + var cx = - tube * Math.cos( v ); + var cy = tube * Math.sin( v ); + + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve + + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); + + // vertex + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + normal.subVectors( vertex, P1 ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); + + // uv + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index ++; + + } + + } + + // generate indices + + for ( j = 1; j <= tubularSegments; j ++ ) { + + for ( i = 1; i <= radialSegments; i ++ ) { + + // indices + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; + + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); + + // this function calculates the current position on the torus curve + + function calculatePositionOnCurve( u, p, q, radius, position ) { + + var cu = Math.cos( u ); + var su = Math.sin( u ); + var quOverP = q / p * u; + var cs = Math.cos( quOverP ); + + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; + + } + + } + + TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; + + /** + * @author oosmoxiecode + */ + + function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { + + Geometry.call( this ); + + this.type = 'TorusKnotGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + if( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); + + this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); + this.mergeVertices(); + + } + + TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); + TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + + BufferGeometry.call( this ); + + this.type = 'TorusBufferGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + radius = radius || 100; + tube = tube || 40; + radialSegments = Math.floor( radialSegments ) || 8; + tubularSegments = Math.floor( tubularSegments ) || 6; + arc = arc || Math.PI * 2; + + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; + + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); + + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; + + // helper variables + var center = new Vector3(); + var vertex = new Vector3(); + var normal = new Vector3(); + + var j, i; + + // generate vertices, normals and uvs + + for ( j = 0; j <= radialSegments; j ++ ) { + + for ( i = 0; i <= tubularSegments; i ++ ) { + + var u = i / tubularSegments * arc; + var v = j / radialSegments * Math.PI * 2; + + // vertex + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); + + vertices[ vertexBufferOffset ] = vertex.x; + vertices[ vertexBufferOffset + 1 ] = vertex.y; + vertices[ vertexBufferOffset + 2 ] = vertex.z; + + // this vector is used to calculate the normal + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); + + // normal + normal.subVectors( vertex, center ).normalize(); + + normals[ vertexBufferOffset ] = normal.x; + normals[ vertexBufferOffset + 1 ] = normal.y; + normals[ vertexBufferOffset + 2 ] = normal.z; + + // uv + uvs[ uvBufferOffset ] = i / tubularSegments; + uvs[ uvBufferOffset + 1 ] = j / radialSegments; + + // update offsets + vertexBufferOffset += 3; + uvBufferOffset += 2; + + } + + } + + // generate indices + + for ( j = 1; j <= radialSegments; j ++ ) { + + for ( i = 1; i <= tubularSegments; i ++ ) { + + // indices + var a = ( tubularSegments + 1 ) * j + i - 1; + var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + var d = ( tubularSegments + 1 ) * j + i; + + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; + + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; + + // update offset + indexBufferOffset += 6; + + } + + } + + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + + } + + TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + + /** + * @author oosmoxiecode + * @author mrdoob / http://mrdoob.com/ + * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 + */ + + function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + + Geometry.call( this ); + + this.type = 'TorusGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); + + } + + TorusGeometry.prototype = Object.create( Geometry.prototype ); + TorusGeometry.prototype.constructor = TorusGeometry; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + + var ShapeUtils = { + + // calculate area of the contour polygon + + area: function ( contour ) { + + var n = contour.length; + var a = 0.0; + + for ( var p = n - 1, q = 0; q < n; p = q ++ ) { + + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + + } + + return a * 0.5; + + }, + + triangulate: ( function () { + + /** + * This code is a quick port of code written in C++ which was submitted to + * flipcode.com by John W. Ratcliff // July 22, 2000 + * See original code and more information here: + * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml + * + * ported to actionscript by Zevan Rosser + * www.actionsnippet.com + * + * ported to javascript by Joshua Koo + * http://www.lab4games.net/zz85/blog + * + */ + + function snip( contour, u, v, w, n, verts ) { + + var p; + var ax, ay, bx, by; + var cx, cy, px, py; + + ax = contour[ verts[ u ] ].x; + ay = contour[ verts[ u ] ].y; + + bx = contour[ verts[ v ] ].x; + by = contour[ verts[ v ] ].y; + + cx = contour[ verts[ w ] ].x; + cy = contour[ verts[ w ] ].y; + + if ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false; + + var aX, aY, bX, bY, cX, cY; + var apx, apy, bpx, bpy, cpx, cpy; + var cCROSSap, bCROSScp, aCROSSbp; + + aX = cx - bx; aY = cy - by; + bX = ax - cx; bY = ay - cy; + cX = bx - ax; cY = by - ay; + + for ( p = 0; p < n; p ++ ) { + + px = contour[ verts[ p ] ].x; + py = contour[ verts[ p ] ].y; + + if ( ( ( px === ax ) && ( py === ay ) ) || + ( ( px === bx ) && ( py === by ) ) || + ( ( px === cx ) && ( py === cy ) ) ) continue; + + apx = px - ax; apy = py - ay; + bpx = px - bx; bpy = py - by; + cpx = px - cx; cpy = py - cy; + + // see if p is inside triangle abc + + aCROSSbp = aX * bpy - aY * bpx; + cCROSSap = cX * apy - cY * apx; + bCROSScp = bX * cpy - bY * cpx; + + if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false; + + } + + return true; + + } + + // takes in an contour array and returns + + return function triangulate( contour, indices ) { + + var n = contour.length; + + if ( n < 3 ) return null; + + var result = [], + verts = [], + vertIndices = []; + + /* we want a counter-clockwise polygon in verts */ + + var u, v, w; + + if ( ShapeUtils.area( contour ) > 0.0 ) { + + for ( v = 0; v < n; v ++ ) verts[ v ] = v; + + } else { + + for ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v; + + } + + var nv = n; + + /* remove nv - 2 vertices, creating 1 triangle every time */ + + var count = 2 * nv; /* error detection */ + + for ( v = nv - 1; nv > 2; ) { + + /* if we loop, it is probably a non-simple polygon */ + + if ( ( count -- ) <= 0 ) { + + //** Triangulate: ERROR - probable bad polygon! + + //throw ( "Warning, unable to triangulate polygon!" ); + //return null; + // Sometimes warning is fine, especially polygons are triangulated in reverse. + console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' ); + + if ( indices ) return vertIndices; + return result; + + } + + /* three consecutive vertices in current polygon, */ + + u = v; if ( nv <= u ) u = 0; /* previous */ + v = u + 1; if ( nv <= v ) v = 0; /* new v */ + w = v + 1; if ( nv <= w ) w = 0; /* next */ + + if ( snip( contour, u, v, w, nv, verts ) ) { + + var a, b, c, s, t; + + /* true names of the vertices */ + + a = verts[ u ]; + b = verts[ v ]; + c = verts[ w ]; + + /* output Triangle */ + + result.push( [ contour[ a ], + contour[ b ], + contour[ c ] ] ); + + + vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] ); + + /* remove v from the remaining polygon */ + + for ( s = v, t = v + 1; t < nv; s ++, t ++ ) { + + verts[ s ] = verts[ t ]; + + } + + nv --; + + /* reset error detection counter */ + + count = 2 * nv; + + } + + } + + if ( indices ) return vertIndices; + return result; + + } + + } )(), + + triangulateShape: function ( contour, holes ) { + + function removeDupEndPts(points) { + + var l = points.length; + + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + + points.pop(); + + } + + } + + removeDupEndPts( contour ); + holes.forEach( removeDupEndPts ); + + function point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) { + + // inOtherPt needs to be collinear to the inSegment + if ( inSegPt1.x !== inSegPt2.x ) { + + if ( inSegPt1.x < inSegPt2.x ) { + + return ( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) ); + + } else { + + return ( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) ); + + } + + } else { + + if ( inSegPt1.y < inSegPt2.y ) { + + return ( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) ); + + } else { + + return ( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) ); + + } + + } + + } + + function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) { + + var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y; + var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y; + + var seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x; + var seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y; + + var limit = seg1dy * seg2dx - seg1dx * seg2dy; + var perpSeg1 = seg1dy * seg1seg2dx - seg1dx * seg1seg2dy; + + if ( Math.abs( limit ) > Number.EPSILON ) { + + // not parallel + + var perpSeg2; + if ( limit > 0 ) { + + if ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) return []; + + } else { + + if ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) return []; + + } + + // i.e. to reduce rounding errors + // intersection at endpoint of segment#1? + if ( perpSeg2 === 0 ) { + + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt1 ]; + + } + if ( perpSeg2 === limit ) { + + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt2 ]; + + } + // intersection at endpoint of segment#2? + if ( perpSeg1 === 0 ) return [ inSeg2Pt1 ]; + if ( perpSeg1 === limit ) return [ inSeg2Pt2 ]; + + // return real intersection point + var factorSeg1 = perpSeg2 / limit; + return [ { x: inSeg1Pt1.x + factorSeg1 * seg1dx, + y: inSeg1Pt1.y + factorSeg1 * seg1dy } ]; + + } else { + + // parallel or collinear + if ( ( perpSeg1 !== 0 ) || + ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) return []; + + // they are collinear or degenerate + var seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) ); // segment1 is just a point? + var seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) ); // segment2 is just a point? + // both segments are points + if ( seg1Pt && seg2Pt ) { + + if ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) || + ( inSeg1Pt1.y !== inSeg2Pt1.y ) ) return []; // they are distinct points + return [ inSeg1Pt1 ]; // they are the same point + + } + // segment#1 is a single point + if ( seg1Pt ) { + + if ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) ) return []; // but not in segment#2 + return [ inSeg1Pt1 ]; + + } + // segment#2 is a single point + if ( seg2Pt ) { + + if ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) ) return []; // but not in segment#1 + return [ inSeg2Pt1 ]; + + } + + // they are collinear segments, which might overlap + var seg1min, seg1max, seg1minVal, seg1maxVal; + var seg2min, seg2max, seg2minVal, seg2maxVal; + if ( seg1dx !== 0 ) { + + // the segments are NOT on a vertical line + if ( inSeg1Pt1.x < inSeg1Pt2.x ) { + + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x; + + } else { + + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x; + + } + if ( inSeg2Pt1.x < inSeg2Pt2.x ) { + + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x; + + } else { + + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x; + + } + + } else { + + // the segments are on a vertical line + if ( inSeg1Pt1.y < inSeg1Pt2.y ) { + + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y; + + } else { + + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y; + + } + if ( inSeg2Pt1.y < inSeg2Pt2.y ) { + + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y; + + } else { + + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y; + + } + + } + if ( seg1minVal <= seg2minVal ) { + + if ( seg1maxVal < seg2minVal ) return []; + if ( seg1maxVal === seg2minVal ) { + + if ( inExcludeAdjacentSegs ) return []; + return [ seg2min ]; + + } + if ( seg1maxVal <= seg2maxVal ) return [ seg2min, seg1max ]; + return [ seg2min, seg2max ]; + + } else { + + if ( seg1minVal > seg2maxVal ) return []; + if ( seg1minVal === seg2maxVal ) { + + if ( inExcludeAdjacentSegs ) return []; + return [ seg1min ]; + + } + if ( seg1maxVal <= seg2maxVal ) return [ seg1min, seg1max ]; + return [ seg1min, seg2max ]; + + } + + } + + } + + function isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) { + + // The order of legs is important + + // translation of all points, so that Vertex is at (0,0) + var legFromPtX = inLegFromPt.x - inVertex.x, legFromPtY = inLegFromPt.y - inVertex.y; + var legToPtX = inLegToPt.x - inVertex.x, legToPtY = inLegToPt.y - inVertex.y; + var otherPtX = inOtherPt.x - inVertex.x, otherPtY = inOtherPt.y - inVertex.y; + + // main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg. + var from2toAngle = legFromPtX * legToPtY - legFromPtY * legToPtX; + var from2otherAngle = legFromPtX * otherPtY - legFromPtY * otherPtX; + + if ( Math.abs( from2toAngle ) > Number.EPSILON ) { + + // angle != 180 deg. + + var other2toAngle = otherPtX * legToPtY - otherPtY * legToPtX; + // console.log( "from2to: " + from2toAngle + ", from2other: " + from2otherAngle + ", other2to: " + other2toAngle ); + + if ( from2toAngle > 0 ) { + + // main angle < 180 deg. + return ( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) ); + + } else { + + // main angle > 180 deg. + return ( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) ); + + } + + } else { + + // angle == 180 deg. + // console.log( "from2to: 180 deg., from2other: " + from2otherAngle ); + return ( from2otherAngle > 0 ); + + } + + } + + + function removeHoles( contour, holes ) { + + var shape = contour.concat(); // work on this shape + var hole; + + function isCutLineInsideAngles( inShapeIdx, inHoleIdx ) { + + // Check if hole point lies within angle around shape point + var lastShapeIdx = shape.length - 1; + + var prevShapeIdx = inShapeIdx - 1; + if ( prevShapeIdx < 0 ) prevShapeIdx = lastShapeIdx; + + var nextShapeIdx = inShapeIdx + 1; + if ( nextShapeIdx > lastShapeIdx ) nextShapeIdx = 0; + + var insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] ); + if ( ! insideAngle ) { + + // console.log( "Vertex (Shape): " + inShapeIdx + ", Point: " + hole[inHoleIdx].x + "/" + hole[inHoleIdx].y ); + return false; + + } + + // Check if shape point lies within angle around hole point + var lastHoleIdx = hole.length - 1; + + var prevHoleIdx = inHoleIdx - 1; + if ( prevHoleIdx < 0 ) prevHoleIdx = lastHoleIdx; + + var nextHoleIdx = inHoleIdx + 1; + if ( nextHoleIdx > lastHoleIdx ) nextHoleIdx = 0; + + insideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] ); + if ( ! insideAngle ) { + + // console.log( "Vertex (Hole): " + inHoleIdx + ", Point: " + shape[inShapeIdx].x + "/" + shape[inShapeIdx].y ); + return false; + + } + + return true; + + } + + function intersectsShapeEdge( inShapePt, inHolePt ) { + + // checks for intersections with shape edges + var sIdx, nextIdx, intersection; + for ( sIdx = 0; sIdx < shape.length; sIdx ++ ) { + + nextIdx = sIdx + 1; nextIdx %= shape.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; + + } + + return false; + + } + + var indepHoles = []; + + function intersectsHoleEdge( inShapePt, inHolePt ) { + + // checks for intersections with hole edges + var ihIdx, chkHole, + hIdx, nextIdx, intersection; + for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) { + + chkHole = holes[ indepHoles[ ihIdx ]]; + for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) { + + nextIdx = hIdx + 1; nextIdx %= chkHole.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; + + } + + } + return false; + + } + + var holeIndex, shapeIndex, + shapePt, holePt, + holeIdx, cutKey, failedCuts = [], + tmpShape1, tmpShape2, + tmpHole1, tmpHole2; + + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + + indepHoles.push( h ); + + } + + var minShapeIndex = 0; + var counter = indepHoles.length * 2; + while ( indepHoles.length > 0 ) { + + counter --; + if ( counter < 0 ) { + + console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" ); + break; + + } + + // search for shape-vertex and hole-vertex, + // which can be connected without intersections + for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) { + + shapePt = shape[ shapeIndex ]; + holeIndex = - 1; + + // search for hole which can be reached without intersections + for ( var h = 0; h < indepHoles.length; h ++ ) { + + holeIdx = indepHoles[ h ]; + + // prevent multiple checks + cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx; + if ( failedCuts[ cutKey ] !== undefined ) continue; + + hole = holes[ holeIdx ]; + for ( var h2 = 0; h2 < hole.length; h2 ++ ) { + + holePt = hole[ h2 ]; + if ( ! isCutLineInsideAngles( shapeIndex, h2 ) ) continue; + if ( intersectsShapeEdge( shapePt, holePt ) ) continue; + if ( intersectsHoleEdge( shapePt, holePt ) ) continue; + + holeIndex = h2; + indepHoles.splice( h, 1 ); + + tmpShape1 = shape.slice( 0, shapeIndex + 1 ); + tmpShape2 = shape.slice( shapeIndex ); + tmpHole1 = hole.slice( holeIndex ); + tmpHole2 = hole.slice( 0, holeIndex + 1 ); + + shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 ); + + minShapeIndex = shapeIndex; + + // Debug only, to show the selected cuts + // glob_CutLines.push( [ shapePt, holePt ] ); + + break; + + } + if ( holeIndex >= 0 ) break; // hole-vertex found + + failedCuts[ cutKey ] = true; // remember failure + + } + if ( holeIndex >= 0 ) break; // hole-vertex found + + } + + } + + return shape; /* shape with no holes */ + + } + + + var i, il, f, face, + key, index, + allPointsMap = {}; + + // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first. + + var allpoints = contour.concat(); + + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + + Array.prototype.push.apply( allpoints, holes[ h ] ); + + } + + //console.log( "allpoints",allpoints, allpoints.length ); + + // prepare all points map + + for ( i = 0, il = allpoints.length; i < il; i ++ ) { + + key = allpoints[ i ].x + ":" + allpoints[ i ].y; + + if ( allPointsMap[ key ] !== undefined ) { + + console.warn( "THREE.ShapeUtils: Duplicate point", key, i ); + + } + + allPointsMap[ key ] = i; + + } + + // remove holes by cutting paths to holes and adding them to the shape + var shapeWithoutHoles = removeHoles( contour, holes ); + + var triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape + //console.log( "triangles",triangles, triangles.length ); + + // check all face vertices against all points map + + for ( i = 0, il = triangles.length; i < il; i ++ ) { + + face = triangles[ i ]; + + for ( f = 0; f < 3; f ++ ) { + + key = face[ f ].x + ":" + face[ f ].y; + + index = allPointsMap[ key ]; + + if ( index !== undefined ) { + + face[ f ] = index; + + } + + } + + } + + return triangles.concat(); + + }, + + isClockWise: function ( pts ) { + + return ShapeUtils.area( pts ) < 0; + + }, + + // Bezier Curves formulas obtained from + // http://en.wikipedia.org/wiki/B%C3%A9zier_curve + + // Quad Bezier Functions + + b2: ( function () { + + function b2p0( t, p ) { + + var k = 1 - t; + return k * k * p; + + } + + function b2p1( t, p ) { + + return 2 * ( 1 - t ) * t * p; + + } + + function b2p2( t, p ) { + + return t * t * p; + + } + + return function b2( t, p0, p1, p2 ) { + + return b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 ); + + }; + + } )(), + + // Cubic Bezier Functions + + b3: ( function () { + + function b3p0( t, p ) { + + var k = 1 - t; + return k * k * k * p; + + } + + function b3p1( t, p ) { + + var k = 1 - t; + return 3 * k * k * t * p; + + } + + function b3p2( t, p ) { + + var k = 1 - t; + return 3 * k * t * t * p; + + } + + function b3p3( t, p ) { + + return t * t * t * p; + + } + + return function b3( t, p0, p1, p2, p3 ) { + + return b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 ); + + }; + + } )() + + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * amount: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline is bevel + * bevelSegments: , // number of bevel layers + * + * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined) + * frames: // containing arrays of tangents, normals, binormals + * + * uvGenerator: // object that provides UV generator functions + * + * } + **/ + + function ExtrudeGeometry( shapes, options ) { + + if ( typeof( shapes ) === "undefined" ) { + + shapes = []; + return; + + } + + Geometry.call( this ); + + this.type = 'ExtrudeGeometry'; + + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + + this.addShapeList( shapes, options ); + + this.computeFaceNormals(); + + // can't really use automatic vertex normals + // as then front and back sides get smoothed too + // should do separate smoothing just for sides + + //this.computeVertexNormals(); + + //console.log( "took", ( Date.now() - startTime ) ); + + } + + ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); + ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; + + ExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) { + + var sl = shapes.length; + + for ( var s = 0; s < sl; s ++ ) { + + var shape = shapes[ s ]; + this.addShape( shape, options ); + + } + + }; + + ExtrudeGeometry.prototype.addShape = function ( shape, options ) { + + var amount = options.amount !== undefined ? options.amount : 100; + + var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10 + var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8 + var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + + var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false + + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + + var steps = options.steps !== undefined ? options.steps : 1; + + var extrudePath = options.extrudePath; + var extrudePts, extrudeByPath = false; + + // Use default WorldUVGenerator if no UV generators are specified. + var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator; + + var splineTube, binormal, normal, position2; + if ( extrudePath ) { + + extrudePts = extrudePath.getSpacedPoints( steps ); + + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion + + // SETUP TNB variables + + // TODO1 - have a .isClosed in spline? + + splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false ); + + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + + } + + // Safeguards if bevels are not enabled + + if ( ! bevelEnabled ) { + + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + + } + + // Variables initialization + + var ahole, h, hl; // looping of holes + var scope = this; + + var shapesOffset = this.vertices.length; + + var shapePoints = shape.extractPoints( curveSegments ); + + var vertices = shapePoints.shape; + var holes = shapePoints.holes; + + var reverse = ! ShapeUtils.isClockWise( vertices ); + + if ( reverse ) { + + vertices = vertices.reverse(); + + // Maybe we should also check if holes are in the opposite direction, just to be safe ... + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + if ( ShapeUtils.isClockWise( ahole ) ) { + + holes[ h ] = ahole.reverse(); + + } + + } + + reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)! + + } + + + var faces = ShapeUtils.triangulateShape( vertices, holes ); + + /* Vertices */ + + var contour = vertices; // vertices has all points but contour has only points of circumference + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + vertices = vertices.concat( ahole ); + + } + + + function scalePt2( pt, vec, size ) { + + if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); + + return vec.clone().multiplyScalar( size ).add( pt ); + + } + + var b, bs, t, z, + vert, vlen = vertices.length, + face, flen = faces.length; + + + // Find directions for point movement + + + function getBevelVec( inPt, inPrev, inNext ) { + + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. + + var v_trans_x, v_trans_y, shrink_by = 1; // resulting translation vector for inPt + + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html + + var v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; + var v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; + + var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + + // check for collinear edges + var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + if ( Math.abs( collinear0 ) > Number.EPSILON ) { + + // not collinear + + // length of vectors for normalizing + + var v_prev_len = Math.sqrt( v_prev_lensq ); + var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + + // shift adjacent points by unit vectors to the left + + var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + + var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + + // scaling factor for v_prev to intersection point + + var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + // vector from inPt to intersection point + + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { + + return new Vector2( v_trans_x, v_trans_y ); + + } else { + + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + + } + + } else { + + // handle special case of collinear edges + + var direction_eq = false; // assumes: opposite + if ( v_prev_x > Number.EPSILON ) { + + if ( v_next_x > Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( v_prev_x < - Number.EPSILON ) { + + if ( v_next_x < - Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + + direction_eq = true; + + } + + } + + } + + if ( direction_eq ) { + + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); + + } else { + + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); + + } + + } + + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + + } + + + var contourMovements = []; + + for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) + + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + + } + + var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat(); + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + + oneHoleMovements = []; + + for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + + } + + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); + + } + + + // Loop bevelSegments, 1 for the front, 1 for the back + + for ( b = 0; b < bevelSegments; b ++ ) { + + //for ( b = bevelSegments; b > 0; b -- ) { + + t = b / bevelSegments; + z = bevelThickness * Math.cos( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); + + // contract shape + + for ( i = 0, il = contour.length; i < il; i ++ ) { + + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + // expand holes + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( i = 0, il = ahole.length; i < il; i ++ ) { + + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + } + + } + + bs = bevelSize; + + // Back facing vertices + + for ( i = 0; i < vlen; i ++ ) { + + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, 0 ); + + } else { + + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + // Add stepped vertices... + // Including front facing vertices + + var s; + + for ( s = 1; s <= steps; s ++ ) { + + for ( i = 0; i < vlen; i ++ ) { + + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, amount / steps * s ); + + } else { + + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + } + + + // Add bevel segments planes + + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( b = bevelSegments - 1; b >= 0; b -- ) { + + t = b / bevelSegments; + z = bevelThickness * Math.cos ( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); + + // contract shape + + for ( i = 0, il = contour.length; i < il; i ++ ) { + + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, amount + z ); + + } + + // expand holes + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( i = 0, il = ahole.length; i < il; i ++ ) { + + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, amount + z ); + + } else { + + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + + } + + } + + } + + } + + /* Faces */ + + // Top and bottom faces + + buildLidFaces(); + + // Sides faces + + buildSideFaces(); + + + ///// Internal functions + + function buildLidFaces() { + + if ( bevelEnabled ) { + + var layer = 0; // steps + 1 + var offset = vlen * layer; + + // Bottom faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + + } + + layer = steps + bevelSegments * 2; + offset = vlen * layer; + + // Top faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + + } + + } else { + + // Bottom faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + + } + + // Top faces + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + + } + + } + + } + + // Create faces for the z-sides of the shape + + function buildSideFaces() { + + var layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; + + for ( h = 0, hl = holes.length; h < hl; h ++ ) { + + ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); + + //, true + layeroffset += ahole.length; + + } + + } + + function sidewalls( contour, layeroffset ) { + + var j, k; + i = contour.length; + + while ( -- i >= 0 ) { + + j = i; + k = i - 1; + if ( k < 0 ) k = contour.length - 1; + + //console.log('b', i,j, i-1, k,vertices.length); + + var s = 0, sl = steps + bevelSegments * 2; + + for ( s = 0; s < sl; s ++ ) { + + var slen1 = vlen * s; + var slen2 = vlen * ( s + 1 ); + + var a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; + + f4( a, b, c, d, contour, s, sl, j, k ); + + } + + } + + } + + + function v( x, y, z ) { + + scope.vertices.push( new Vector3( x, y, z ) ); + + } + + function f3( a, b, c ) { + + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; + + scope.faces.push( new Face3( a, b, c, null, null, 0 ) ); + + var uvs = uvgen.generateTopUV( scope, a, b, c ); + + scope.faceVertexUvs[ 0 ].push( uvs ); + + } + + function f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) { + + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; + d += shapesOffset; + + scope.faces.push( new Face3( a, b, d, null, null, 1 ) ); + scope.faces.push( new Face3( b, c, d, null, null, 1 ) ); + + var uvs = uvgen.generateSideWallUV( scope, a, b, c, d ); + + scope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] ); + scope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] ); + + } + + }; + + ExtrudeGeometry.WorldUVGenerator = { + + generateTopUV: function ( geometry, indexA, indexB, indexC ) { + + var vertices = geometry.vertices; + + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; + + return [ + new Vector2( a.x, a.y ), + new Vector2( b.x, b.y ), + new Vector2( c.x, c.y ) + ]; + + }, + + generateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) { + + var vertices = geometry.vertices; + + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; + var d = vertices[ indexD ]; + + if ( Math.abs( a.y - b.y ) < 0.01 ) { + + return [ + new Vector2( a.x, 1 - a.z ), + new Vector2( b.x, 1 - b.z ), + new Vector2( c.x, 1 - c.z ), + new Vector2( d.x, 1 - d.z ) + ]; + + } else { + + return [ + new Vector2( a.y, 1 - a.z ), + new Vector2( b.y, 1 - b.z ), + new Vector2( c.y, 1 - c.z ), + new Vector2( d.y, 1 - d.z ) + ]; + + } + + } + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author alteredq / http://alteredqualia.com/ + * + * Text = 3D Text + * + * parameters = { + * font: , // font + * + * size: , // size of the text + * height: , // thickness to extrude text + * curveSegments: , // number of points on the curves + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into text bevel goes + * bevelSize: // how far from text outline is bevel + * } + */ + + function TextGeometry( text, parameters ) { + + parameters = parameters || {}; + + var font = parameters.font; + + if ( (font && font.isFont) === false ) { + + console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); + return new Geometry(); + + } + + var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments ); + + // translate parameters to ExtrudeGeometry API + + parameters.amount = parameters.height !== undefined ? parameters.height : 50; + + // defaults + + if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; + if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; + if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; + + ExtrudeGeometry.call( this, shapes, parameters ); + + this.type = 'TextGeometry'; + + } + + TextGeometry.prototype = Object.create( ExtrudeGeometry.prototype ); + TextGeometry.prototype.constructor = TextGeometry; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + * based on THREE.SphereGeometry + */ + + function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'SphereBufferGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + radius = radius || 50; + + widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); + + phiStart = phiStart !== undefined ? phiStart : 0; + phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; + + var thetaEnd = thetaStart + thetaLength; + + var vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) ); + + var positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + + var index = 0, vertices = [], normal = new Vector3(); + + for ( var y = 0; y <= heightSegments; y ++ ) { + + var verticesRow = []; + + var v = y / heightSegments; + + for ( var x = 0; x <= widthSegments; x ++ ) { + + var u = x / widthSegments; + + var px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + var py = radius * Math.cos( thetaStart + v * thetaLength ); + var pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + + normal.set( px, py, pz ).normalize(); + + positions.setXYZ( index, px, py, pz ); + normals.setXYZ( index, normal.x, normal.y, normal.z ); + uvs.setXY( index, u, 1 - v ); + + verticesRow.push( index ); + + index ++; + + } + + vertices.push( verticesRow ); + + } + + var indices = []; + + for ( var y = 0; y < heightSegments; y ++ ) { + + for ( var x = 0; x < widthSegments; x ++ ) { + + var v1 = vertices[ y ][ x + 1 ]; + var v2 = vertices[ y ][ x ]; + var v3 = vertices[ y + 1 ][ x ]; + var v4 = vertices[ y + 1 ][ x + 1 ]; + + if ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 ); + if ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 ); + + } + + } + + this.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', positions ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); + + this.boundingSphere = new Sphere( new Vector3(), radius ); + + } + + SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'SphereGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); + + } + + SphereGeometry.prototype = Object.create( Geometry.prototype ); + SphereGeometry.prototype.constructor = SphereGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'RingBufferGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + innerRadius = innerRadius || 20; + outerRadius = outerRadius || 50; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + + thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; + phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; + + // these are used to calculate buffer length + var vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 ); + var indexCount = thetaSegments * phiSegments * 2 * 3; + + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + + // some helper variables + var index = 0, indexOffset = 0, segment; + var radius = innerRadius; + var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + var vertex = new Vector3(); + var uv = new Vector2(); + var j, i; + + // generate vertices, normals and uvs + + // values are generate from the inside of the ring to the outside + + for ( j = 0; j <= phiSegments; j ++ ) { + + for ( i = 0; i <= thetaSegments; i ++ ) { + + segment = thetaStart + i / thetaSegments * thetaLength; + + // vertex + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // normal + normals.setXYZ( index, 0, 0, 1 ); + + // uv + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index++; + + } + + // increase the radius for next row of vertices + radius += radiusStep; + + } + + // generate indices + + for ( j = 0; j < phiSegments; j ++ ) { + + var thetaSegmentLevel = j * ( thetaSegments + 1 ); + + for ( i = 0; i < thetaSegments; i ++ ) { + + segment = i + thetaSegmentLevel; + + // indices + var a = segment; + var b = segment + thetaSegments + 1; + var c = segment + thetaSegments + 2; + var d = segment + 1; + + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + + // face two + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); + + } + + RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + RingBufferGeometry.prototype.constructor = RingBufferGeometry; + + /** + * @author Kaleb Murphy + */ + + function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'RingGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); + + } + + RingGeometry.prototype = Object.create( Geometry.prototype ); + RingGeometry.prototype.constructor = RingGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ + + function PlaneGeometry( width, height, widthSegments, heightSegments ) { + + Geometry.call( this ); + + this.type = 'PlaneGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); + + } + + PlaneGeometry.prototype = Object.create( Geometry.prototype ); + PlaneGeometry.prototype.constructor = PlaneGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. + + function LatheBufferGeometry( points, segments, phiStart, phiLength ) { + + BufferGeometry.call( this ); + + this.type = 'LatheBufferGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + segments = Math.floor( segments ) || 12; + phiStart = phiStart || 0; + phiLength = phiLength || Math.PI * 2; + + // clamp phiLength so it's in range of [ 0, 2PI ] + phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); + + // these are used to calculate buffer length + var vertexCount = ( segments + 1 ) * points.length; + var indexCount = segments * points.length * 2 * 3; + + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + + // helper variables + var index = 0, indexOffset = 0, base; + var inverseSegments = 1.0 / segments; + var vertex = new Vector3(); + var uv = new Vector2(); + var i, j; + + // generate vertices and uvs + + for ( i = 0; i <= segments; i ++ ) { + + var phi = phiStart + i * inverseSegments * phiLength; + + var sin = Math.sin( phi ); + var cos = Math.cos( phi ); + + for ( j = 0; j <= ( points.length - 1 ); j ++ ) { + + // vertex + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // uv + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index ++; + + } + + } + + // generate indices + + for ( i = 0; i < segments; i ++ ) { + + for ( j = 0; j < ( points.length - 1 ); j ++ ) { + + base = j + i * points.length; + + // indices + var a = base; + var b = base + points.length; + var c = base + points.length + 1; + var d = base + 1; + + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; + + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'uv', uvs ); + + // generate normals + + this.computeVertexNormals(); + + // if the geometry is closed, we need to average the normals along the seam. + // because the corresponding vertices are identical (but still have different UVs). + + if( phiLength === Math.PI * 2 ) { + + var normals = this.attributes.normal.array; + var n1 = new Vector3(); + var n2 = new Vector3(); + var n = new Vector3(); + + // this is the buffer offset for the last line of vertices + base = segments * points.length * 3; + + for( i = 0, j = 0; i < points.length; i ++, j += 3 ) { + + // select the normal of the vertex in the first line + n1.x = normals[ j + 0 ]; + n1.y = normals[ j + 1 ]; + n1.z = normals[ j + 2 ]; + + // select the normal of the vertex in the last line + n2.x = normals[ base + j + 0 ]; + n2.y = normals[ base + j + 1 ]; + n2.z = normals[ base + j + 2 ]; + + // average normals + n.addVectors( n1, n2 ).normalize(); + + // assign the new values to both normals + normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; + normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; + normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; + + } // next row + + } + + } + + LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; + + /** + * @author astrodud / http://astrodud.isgreat.org/ + * @author zz85 / https://github.com/zz85 + * @author bhouston / http://clara.io + */ + + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. + + function LatheGeometry( points, segments, phiStart, phiLength ) { + + Geometry.call( this ); + + this.type = 'LatheGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); + this.mergeVertices(); + + } + + LatheGeometry.prototype = Object.create( Geometry.prototype ); + LatheGeometry.prototype.constructor = LatheGeometry; + + /** + * @author jonobr1 / http://jonobr1.com + * + * Creates a one-sided polygonal geometry from a path shape. Similar to + * ExtrudeGeometry. + * + * parameters = { + * + * curveSegments: , // number of points on the curves. NOT USED AT THE MOMENT. + * + * material: // material index for front and back faces + * uvGenerator: // object that provides UV generator functions + * + * } + **/ + + function ShapeGeometry( shapes, options ) { + + Geometry.call( this ); + + this.type = 'ShapeGeometry'; + + if ( Array.isArray( shapes ) === false ) shapes = [ shapes ]; + + this.addShapeList( shapes, options ); + + this.computeFaceNormals(); + + } + + ShapeGeometry.prototype = Object.create( Geometry.prototype ); + ShapeGeometry.prototype.constructor = ShapeGeometry; + + /** + * Add an array of shapes to THREE.ShapeGeometry. + */ + ShapeGeometry.prototype.addShapeList = function ( shapes, options ) { + + for ( var i = 0, l = shapes.length; i < l; i ++ ) { + + this.addShape( shapes[ i ], options ); + + } + + return this; + + }; + + /** + * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry. + */ + ShapeGeometry.prototype.addShape = function ( shape, options ) { + + if ( options === undefined ) options = {}; + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + + var material = options.material; + var uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator; + + // + + var i, l, hole; + + var shapesOffset = this.vertices.length; + var shapePoints = shape.extractPoints( curveSegments ); + + var vertices = shapePoints.shape; + var holes = shapePoints.holes; + + var reverse = ! ShapeUtils.isClockWise( vertices ); + + if ( reverse ) { + + vertices = vertices.reverse(); + + // Maybe we should also check if holes are in the opposite direction, just to be safe... + + for ( i = 0, l = holes.length; i < l; i ++ ) { + + hole = holes[ i ]; + + if ( ShapeUtils.isClockWise( hole ) ) { + + holes[ i ] = hole.reverse(); + + } + + } + + reverse = false; + + } + + var faces = ShapeUtils.triangulateShape( vertices, holes ); + + // Vertices + + for ( i = 0, l = holes.length; i < l; i ++ ) { + + hole = holes[ i ]; + vertices = vertices.concat( hole ); + + } + + // + + var vert, vlen = vertices.length; + var face, flen = faces.length; + + for ( i = 0; i < vlen; i ++ ) { + + vert = vertices[ i ]; + + this.vertices.push( new Vector3( vert.x, vert.y, 0 ) ); + + } + + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + + var a = face[ 0 ] + shapesOffset; + var b = face[ 1 ] + shapesOffset; + var c = face[ 2 ] + shapesOffset; + + this.faces.push( new Face3( a, b, c, null, null, material ) ); + this.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) ); + + } + + }; + + /** + * @author WestLangley / http://github.com/WestLangley + */ + + function EdgesGeometry( geometry, thresholdAngle ) { + + BufferGeometry.call( this ); + + thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; + + var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); + + var edge = [ 0, 0 ], hash = {}; + + function sortFunction( a, b ) { + + return a - b; + + } + + var keys = [ 'a', 'b', 'c' ]; + + var geometry2; + + if ( (geometry && geometry.isBufferGeometry) ) { + + geometry2 = new Geometry(); + geometry2.fromBufferGeometry( geometry ); + + } else { + + geometry2 = geometry.clone(); + + } + + geometry2.mergeVertices(); + geometry2.computeFaceNormals(); + + var vertices = geometry2.vertices; + var faces = geometry2.faces; + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + for ( var j = 0; j < 3; j ++ ) { + + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); + + var key = edge.toString(); + + if ( hash[ key ] === undefined ) { + + hash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined }; + + } else { + + hash[ key ].face2 = i; + + } + + } + + } + + var coords = []; + + for ( var key in hash ) { + + var h = hash[ key ]; + + if ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) { + + var vertex = vertices[ h.vert1 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); + + vertex = vertices[ h.vert2 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); + + } + + } + + this.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) ); + + } + + EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); + EdgesGeometry.prototype.constructor = EdgesGeometry; + + /** + * @author Mugen87 / https://github.com/Mugen87 + */ + + function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'CylinderBufferGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + var scope = this; + + radiusTop = radiusTop !== undefined ? radiusTop : 20; + radiusBottom = radiusBottom !== undefined ? radiusBottom : 20; + height = height !== undefined ? height : 100; + + radialSegments = Math.floor( radialSegments ) || 8; + heightSegments = Math.floor( heightSegments ) || 1; + + openEnded = openEnded !== undefined ? openEnded : false; + thetaStart = thetaStart !== undefined ? thetaStart : 0.0; + thetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI; + + // used to calculate buffer length + + var nbCap = 0; + + if ( openEnded === false ) { + + if ( radiusTop > 0 ) nbCap ++; + if ( radiusBottom > 0 ) nbCap ++; + + } + + var vertexCount = calculateVertexCount(); + var indexCount = calculateIndexCount(); + + // buffers + + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + + // helper variables + + var index = 0, + indexOffset = 0, + indexArray = [], + halfHeight = height / 2; + + // group variables + var groupStart = 0; + + // generate geometry + + generateTorso(); + + if ( openEnded === false ) { + + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); + + } + + // build geometry + + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); + + // helper functions + + function calculateVertexCount() { + + var count = ( radialSegments + 1 ) * ( heightSegments + 1 ); + + if ( openEnded === false ) { + + count += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap ); + + } + + return count; + + } + + function calculateIndexCount() { + + var count = radialSegments * heightSegments * 2 * 3; + + if ( openEnded === false ) { + + count += radialSegments * nbCap * 3; + + } + + return count; + + } + + function generateTorso() { + + var x, y; + var normal = new Vector3(); + var vertex = new Vector3(); + + var groupCount = 0; + + // this will be used to calculate the normal + var slope = ( radiusBottom - radiusTop ) / height; + + // generate vertices, normals and uvs + + for ( y = 0; y <= heightSegments; y ++ ) { + + var indexRow = []; + + var v = y / heightSegments; + + // calculate the radius of the current row + var radius = v * ( radiusBottom - radiusTop ) + radiusTop; + + for ( x = 0; x <= radialSegments; x ++ ) { + + var u = x / radialSegments; + + var theta = u * thetaLength + thetaStart; + + var sinTheta = Math.sin( theta ); + var cosTheta = Math.cos( theta ); + + // vertex + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // normal + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); + + // uv + uvs.setXY( index, u, 1 - v ); + + // save index of vertex in respective row + indexRow.push( index ); + + // increase index + index ++; + + } + + // now save vertices of the row in our index array + indexArray.push( indexRow ); + + } + + // generate indices + + for ( x = 0; x < radialSegments; x ++ ) { + + for ( y = 0; y < heightSegments; y ++ ) { + + // we use the index array to access the correct indices + var i1 = indexArray[ y ][ x ]; + var i2 = indexArray[ y + 1 ][ x ]; + var i3 = indexArray[ y + 1 ][ x + 1 ]; + var i4 = indexArray[ y ][ x + 1 ]; + + // face one + indices.setX( indexOffset, i1 ); indexOffset ++; + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; + + // face two + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i3 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; + + // update counters + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, 0 ); + + // calculate new start value for groups + groupStart += groupCount; + + } + + function generateCap( top ) { + + var x, centerIndexStart, centerIndexEnd; + + var uv = new Vector2(); + var vertex = new Vector3(); + + var groupCount = 0; + + var radius = ( top === true ) ? radiusTop : radiusBottom; + var sign = ( top === true ) ? 1 : - 1; + + // save the index of the first center vertex + centerIndexStart = index; + + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment + + for ( x = 1; x <= radialSegments; x ++ ) { + + // vertex + vertices.setXYZ( index, 0, halfHeight * sign, 0 ); + + // normal + normals.setXYZ( index, 0, sign, 0 ); + + // uv + uv.x = 0.5; + uv.y = 0.5; + + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index ++; + + } + + // save the index of the last center vertex + centerIndexEnd = index; + + // now we generate the surrounding vertices, normals and uvs + + for ( x = 0; x <= radialSegments; x ++ ) { + + var u = x / radialSegments; + var theta = u * thetaLength + thetaStart; + + var cosTheta = Math.cos( theta ); + var sinTheta = Math.sin( theta ); + + // vertex + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // normal + normals.setXYZ( index, 0, sign, 0 ); + + // uv + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index ++; + + } + + // generate indices + + for ( x = 0; x < radialSegments; x ++ ) { + + var c = centerIndexStart + x; + var i = centerIndexEnd + x; + + if ( top === true ) { + + // face top + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; + + } else { + + // face bottom + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; + + } + + // update counters + groupCount += 3; + + } + + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + + // calculate new start value for groups + groupStart += groupCount; + + } + + } + + CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'CylinderGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); + this.mergeVertices(); + + } + + CylinderGeometry.prototype = Object.create( Geometry.prototype ); + CylinderGeometry.prototype.constructor = CylinderGeometry; + + /** + * @author abelnation / http://github.com/abelnation + */ + + function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + } + + ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); + ConeGeometry.prototype.constructor = ConeGeometry; + + /** + * @author: abelnation / http://github.com/abelnation + */ + + function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + + CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeBufferGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + } + + ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); + ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { + + BufferGeometry.call( this ); + + this.type = 'CircleBufferGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + radius = radius || 50; + segments = segments !== undefined ? Math.max( 3, segments ) : 8; + + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + + var vertices = segments + 2; + + var positions = new Float32Array( vertices * 3 ); + var normals = new Float32Array( vertices * 3 ); + var uvs = new Float32Array( vertices * 2 ); + + // center data is already zero, but need to set a few extras + normals[ 2 ] = 1.0; + uvs[ 0 ] = 0.5; + uvs[ 1 ] = 0.5; + + for ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) { + + var segment = thetaStart + s / segments * thetaLength; + + positions[ i ] = radius * Math.cos( segment ); + positions[ i + 1 ] = radius * Math.sin( segment ); + + normals[ i + 2 ] = 1; // normal z + + uvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2; + uvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2; + + } + + var indices = []; + + for ( var i = 1; i <= segments; i ++ ) { + + indices.push( i, i + 1, 0 ); + + } + + this.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + + this.boundingSphere = new Sphere( new Vector3(), radius ); + + } + + CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; + + /** + * @author hughes + */ + + function CircleGeometry( radius, segments, thetaStart, thetaLength ) { + + Geometry.call( this ); + + this.type = 'CircleGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); + + } + + CircleGeometry.prototype = Object.create( Geometry.prototype ); + CircleGeometry.prototype.constructor = CircleGeometry; + + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as + */ + + function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + + Geometry.call( this ); + + this.type = 'BoxGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); + this.mergeVertices(); + + } + + BoxGeometry.prototype = Object.create( Geometry.prototype ); + BoxGeometry.prototype.constructor = BoxGeometry; + + + + var Geometries = Object.freeze({ + WireframeGeometry: WireframeGeometry, + ParametricGeometry: ParametricGeometry, + ParametricBufferGeometry: ParametricBufferGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TetrahedronBufferGeometry: TetrahedronBufferGeometry, + OctahedronGeometry: OctahedronGeometry, + OctahedronBufferGeometry: OctahedronBufferGeometry, + IcosahedronGeometry: IcosahedronGeometry, + IcosahedronBufferGeometry: IcosahedronBufferGeometry, + DodecahedronGeometry: DodecahedronGeometry, + DodecahedronBufferGeometry: DodecahedronBufferGeometry, + PolyhedronGeometry: PolyhedronGeometry, + PolyhedronBufferGeometry: PolyhedronBufferGeometry, + TubeGeometry: TubeGeometry, + TubeBufferGeometry: TubeBufferGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TorusKnotBufferGeometry: TorusKnotBufferGeometry, + TorusGeometry: TorusGeometry, + TorusBufferGeometry: TorusBufferGeometry, + TextGeometry: TextGeometry, + SphereBufferGeometry: SphereBufferGeometry, + SphereGeometry: SphereGeometry, + RingGeometry: RingGeometry, + RingBufferGeometry: RingBufferGeometry, + PlaneBufferGeometry: PlaneBufferGeometry, + PlaneGeometry: PlaneGeometry, + LatheGeometry: LatheGeometry, + LatheBufferGeometry: LatheBufferGeometry, + ShapeGeometry: ShapeGeometry, + ExtrudeGeometry: ExtrudeGeometry, + EdgesGeometry: EdgesGeometry, + ConeGeometry: ConeGeometry, + ConeBufferGeometry: ConeBufferGeometry, + CylinderGeometry: CylinderGeometry, + CylinderBufferGeometry: CylinderBufferGeometry, + CircleBufferGeometry: CircleBufferGeometry, + CircleGeometry: CircleGeometry, + BoxBufferGeometry: BoxBufferGeometry, + BoxGeometry: BoxGeometry + }); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function ShadowMaterial() { + + ShaderMaterial.call( this, { + uniforms: UniformsUtils.merge( [ + UniformsLib[ "lights" ], + { + opacity: { value: 1.0 } + } + ] ), + vertexShader: ShaderChunk[ 'shadow_vert' ], + fragmentShader: ShaderChunk[ 'shadow_frag' ] + } ); + + this.lights = true; + this.transparent = true; + + Object.defineProperties( this, { + opacity: { + enumerable: true, + get: function () { + return this.uniforms.opacity.value; + }, + set: function ( value ) { + this.uniforms.opacity.value = value; + } + } + } ); + + } + + ShadowMaterial.prototype = Object.create( ShaderMaterial.prototype ); + ShadowMaterial.prototype.constructor = ShadowMaterial; + + ShadowMaterial.prototype.isShadowMaterial = true; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function RawShaderMaterial( parameters ) { + + ShaderMaterial.call( this, parameters ); + + this.type = 'RawShaderMaterial'; + + } + + RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); + RawShaderMaterial.prototype.constructor = RawShaderMaterial; + + RawShaderMaterial.prototype.isRawShaderMaterial = true; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function MultiMaterial( materials ) { + + this.uuid = _Math.generateUUID(); + + this.type = 'MultiMaterial'; + + this.materials = materials instanceof Array ? materials : []; + + this.visible = true; + + } + + MultiMaterial.prototype = { + + constructor: MultiMaterial, + + isMultiMaterial: true, + + toJSON: function ( meta ) { + + var output = { + metadata: { + version: 4.2, + type: 'material', + generator: 'MaterialExporter' + }, + uuid: this.uuid, + type: this.type, + materials: [] + }; + + var materials = this.materials; + + for ( var i = 0, l = materials.length; i < l; i ++ ) { + + var material = materials[ i ].toJSON( meta ); + delete material.metadata; + + output.materials.push( material ); + + } + + output.visible = this.visible; + + return output; + + }, + + clone: function () { + + var material = new this.constructor(); + + for ( var i = 0; i < this.materials.length; i ++ ) { + + material.materials.push( this.materials[ i ].clone() ); + + } + + material.visible = this.visible; + + return material; + + } + + }; + + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * roughness: , + * metalness: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * roughnessMap: new THREE.Texture( ), + * + * metalnessMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * envMapIntensity: + * + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + + function MeshStandardMaterial( parameters ) { + + Material.call( this ); + + this.defines = { 'STANDARD': '' }; + + this.type = 'MeshStandardMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 0.5; + this.metalness = 0.5; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.roughnessMap = null; + + this.metalnessMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapIntensity = 1.0; + + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + + } + + MeshStandardMaterial.prototype = Object.create( Material.prototype ); + MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; + + MeshStandardMaterial.prototype.isMeshStandardMaterial = true; + + MeshStandardMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.defines = { 'STANDARD': '' }; + + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.roughnessMap = source.roughnessMap; + + this.metalnessMap = source.metalnessMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; + + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + + }; + + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * reflectivity: + * } + */ + + function MeshPhysicalMaterial( parameters ) { + + MeshStandardMaterial.call( this ); + + this.defines = { 'PHYSICAL': '' }; + + this.type = 'MeshPhysicalMaterial'; + + this.reflectivity = 0.5; // maps to F0 = 0.04 + + this.clearCoat = 0.0; + this.clearCoatRoughness = 0.0; + + this.setValues( parameters ); + + } + + MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); + MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; + + MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; + + MeshPhysicalMaterial.prototype.copy = function ( source ) { + + MeshStandardMaterial.prototype.copy.call( this, source ); + + this.defines = { 'PHYSICAL': '' }; + + this.reflectivity = source.reflectivity; + + this.clearCoat = source.clearCoat; + this.clearCoatRoughness = source.clearCoatRoughness; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * specular: , + * shininess: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + + function MeshPhongMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshPhongMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + + } + + MeshPhongMaterial.prototype = Object.create( Material.prototype ); + MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; + + MeshPhongMaterial.prototype.isMeshPhongMaterial = true; + + MeshPhongMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * + * parameters = { + * opacity: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ + + function MeshNormalMaterial( parameters ) { + + Material.call( this, parameters ); + + this.type = 'MeshNormalMaterial'; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; + this.lights = false; + this.morphTargets = false; + + this.setValues( parameters ); + + } + + MeshNormalMaterial.prototype = Object.create( Material.prototype ); + MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; + + MeshNormalMaterial.prototype.isMeshNormalMaterial = true; + + MeshNormalMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ + + function MeshLambertMaterial( parameters ) { + + Material.call( this ); + + this.type = 'MeshLambertMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; + + this.setValues( parameters ); + + } + + MeshLambertMaterial.prototype = Object.create( Material.prototype ); + MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; + + MeshLambertMaterial.prototype.isMeshLambertMaterial = true; + + MeshLambertMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; + + return this; + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * + * scale: , + * dashSize: , + * gapSize: + * } + */ + + function LineDashedMaterial( parameters ) { + + Material.call( this ); + + this.type = 'LineDashedMaterial'; + + this.color = new Color( 0xffffff ); + + this.linewidth = 1; + + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + + this.lights = false; + + this.setValues( parameters ); + + } + + LineDashedMaterial.prototype = Object.create( Material.prototype ); + LineDashedMaterial.prototype.constructor = LineDashedMaterial; + + LineDashedMaterial.prototype.isLineDashedMaterial = true; + + LineDashedMaterial.prototype.copy = function ( source ) { + + Material.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + + this.linewidth = source.linewidth; + + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + + return this; + + }; + + + + var Materials = Object.freeze({ + ShadowMaterial: ShadowMaterial, + SpriteMaterial: SpriteMaterial, + RawShaderMaterial: RawShaderMaterial, + ShaderMaterial: ShaderMaterial, + PointsMaterial: PointsMaterial, + MultiMaterial: MultiMaterial, + MeshPhysicalMaterial: MeshPhysicalMaterial, + MeshStandardMaterial: MeshStandardMaterial, + MeshPhongMaterial: MeshPhongMaterial, + MeshNormalMaterial: MeshNormalMaterial, + MeshLambertMaterial: MeshLambertMaterial, + MeshDepthMaterial: MeshDepthMaterial, + MeshBasicMaterial: MeshBasicMaterial, + LineDashedMaterial: LineDashedMaterial, + LineBasicMaterial: LineBasicMaterial, + Material: Material + }); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + var Cache = { + + enabled: false, + + files: {}, + + add: function ( key, file ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Adding key:', key ); + + this.files[ key ] = file; + + }, + + get: function ( key ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Checking key:', key ); + + return this.files[ key ]; + + }, + + remove: function ( key ) { + + delete this.files[ key ]; + + }, + + clear: function () { + + this.files = {}; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function LoadingManager( onLoad, onProgress, onError ) { + + var scope = this; + + var isLoading = false, itemsLoaded = 0, itemsTotal = 0; + + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + + this.itemStart = function ( url ) { + + itemsTotal ++; + + if ( isLoading === false ) { + + if ( scope.onStart !== undefined ) { + + scope.onStart( url, itemsLoaded, itemsTotal ); + + } + + } + + isLoading = true; + + }; + + this.itemEnd = function ( url ) { + + itemsLoaded ++; + + if ( scope.onProgress !== undefined ) { + + scope.onProgress( url, itemsLoaded, itemsTotal ); + + } + + if ( itemsLoaded === itemsTotal ) { + + isLoading = false; + + if ( scope.onLoad !== undefined ) { + + scope.onLoad(); + + } + + } + + }; + + this.itemError = function ( url ) { + + if ( scope.onError !== undefined ) { + + scope.onError( url ); + + } + + }; + + } + + var DefaultLoadingManager = new LoadingManager(); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function XHRLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( XHRLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + var scope = this; + + var cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + // Check for data: URI + var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; + var dataUriRegexResult = url.match( dataUriRegex ); + + // Safari can not handle Data URIs through XMLHttpRequest so process manually + if ( dataUriRegexResult ) { + + var mimeType = dataUriRegexResult[1]; + var isBase64 = !!dataUriRegexResult[2]; + var data = dataUriRegexResult[3]; + + data = window.decodeURIComponent(data); + + if( isBase64 ) { + data = window.atob(data); + } + + try { + + var response; + var responseType = ( this.responseType || '' ).toLowerCase(); + + switch ( responseType ) { + + case 'arraybuffer': + case 'blob': + + response = new ArrayBuffer( data.length ); + var view = new Uint8Array( response ); + for ( var i = 0; i < data.length; i ++ ) { + + view[ i ] = data.charCodeAt( i ); + + } + + if ( responseType === 'blob' ) { + + response = new Blob( [ response ], { "type" : mimeType } ); + + } + + break; + + case 'document': + + var parser = new DOMParser(); + response = parser.parseFromString( data, mimeType ); + + break; + + case 'json': + + response = JSON.parse( data ); + + break; + + default: // 'text' or other + + response = data; + + break; + + } + + // Wait for next browser tick + window.setTimeout( function() { + + if ( onLoad ) onLoad( response ); + + scope.manager.itemEnd( url ); + + }, 0); + + } catch ( error ) { + + // Wait for next browser tick + window.setTimeout( function() { + + if ( onError ) onError( error ); + + scope.manager.itemError( url ); + + }, 0); + + } + + } else { + + var request = new XMLHttpRequest(); + request.open( 'GET', url, true ); + + request.addEventListener( 'load', function ( event ) { + + var response = event.target.response; + + Cache.add( url, response ); + + if ( this.status === 200 ) { + + if ( onLoad ) onLoad( response ); + + scope.manager.itemEnd( url ); + + } else if ( this.status === 0 ) { + + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. + + console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' ); + + if ( onLoad ) onLoad( response ); + + scope.manager.itemEnd( url ); + + } else { + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + + } + + }, false ); + + if ( onProgress !== undefined ) { + + request.addEventListener( 'progress', function ( event ) { + + onProgress( event ); + + }, false ); + + } + + request.addEventListener( 'error', function ( event ) { + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + + }, false ); + + if ( this.responseType !== undefined ) request.responseType = this.responseType; + if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; + + if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' ); + + request.send( null ); + + } + + scope.manager.itemStart( url ); + + return request; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + }, + + setResponseType: function ( value ) { + + this.responseType = value; + return this; + + }, + + setWithCredentials: function ( value ) { + + this.withCredentials = value; + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * + * Abstract Base class to block based textures loader (dds, pvr, ...) + */ + + function CompressedTextureLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + // override in sub classes + this._parser = null; + + } + + Object.assign( CompressedTextureLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var images = []; + + var texture = new CompressedTexture(); + texture.image = images; + + var loader = new XHRLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + + function loadTexture( i ) { + + loader.load( url[ i ], function ( buffer ) { + + var texDatas = scope._parser( buffer, true ); + + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + + loaded += 1; + + if ( loaded === 6 ) { + + if ( texDatas.mipmapCount === 1 ) + texture.minFilter = LinearFilter; + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, onProgress, onError ); + + } + + if ( Array.isArray( url ) ) { + + var loaded = 0; + + for ( var i = 0, il = url.length; i < il; ++ i ) { + + loadTexture( i ); + + } + + } else { + + // compressed cubemap texture stored in a single DDS file + + loader.load( url, function ( buffer ) { + + var texDatas = scope._parser( buffer, true ); + + if ( texDatas.isCubemap ) { + + var faces = texDatas.mipmaps.length / texDatas.mipmapCount; + + for ( var f = 0; f < faces; f ++ ) { + + images[ f ] = { mipmaps : [] }; + + for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { + + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; + + } + + } + + } else { + + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + + } + + if ( texDatas.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + }, onProgress, onError ); + + } + + return texture; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + } + + } ); + + /** + * @author Nikos M. / https://github.com/foo123/ + * + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + */ + + var DataTextureLoader = BinaryTextureLoader; + function BinaryTextureLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + // override in sub classes + this._parser = null; + + } + + Object.assign( BinaryTextureLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var texture = new DataTexture(); + + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + + loader.load( url, function ( buffer ) { + + var texData = scope._parser( buffer ); + + if ( ! texData ) return; + + if ( undefined !== texData.image ) { + + texture.image = texData.image; + + } else if ( undefined !== texData.data ) { + + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + + } + + texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping; + + texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter; + texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter; + + texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1; + + if ( undefined !== texData.format ) { + + texture.format = texData.format; + + } + if ( undefined !== texData.type ) { + + texture.type = texData.type; + + } + + if ( undefined !== texData.mipmaps ) { + + texture.mipmaps = texData.mipmaps; + + } + + if ( 1 === texData.mipmapCount ) { + + texture.minFilter = LinearFilter; + + } + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture, texData ); + + }, onProgress, onError ); + + + return texture; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function ImageLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( ImageLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); + image.onload = function () { + + image.onload = null; + + URL.revokeObjectURL( image.src ); + + if ( onLoad ) onLoad( image ); + + scope.manager.itemEnd( url ); + + }; + image.onerror = onError; + + if ( url.indexOf( 'data:' ) === 0 ) { + + image.src = url; + + } else { + + var loader = new XHRLoader(); + loader.setPath( this.path ); + loader.setResponseType( 'blob' ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( blob ) { + + image.src = URL.createObjectURL( blob ); + + }, onProgress, onError ); + + } + + scope.manager.itemStart( url ); + + return image; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + return this; + + }, + + setWithCredentials: function ( value ) { + + this.withCredentials = value; + return this; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function CubeTextureLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( CubeTextureLoader.prototype, { + + load: function ( urls, onLoad, onProgress, onError ) { + + var texture = new CubeTexture(); + + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + var loaded = 0; + + function loadTexture( i ) { + + loader.load( urls[ i ], function ( image ) { + + texture.images[ i ] = image; + + loaded ++; + + if ( loaded === 6 ) { + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, undefined, onError ); + + } + + for ( var i = 0; i < urls.length; ++ i ) { + + loadTexture( i ); + + } + + return texture; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + return this; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function TextureLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( TextureLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var texture = new Texture(); + + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setWithCredentials( this.withCredentials ); + loader.setPath( this.path ); + loader.load( url, function ( image ) { + + // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. + var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; + + texture.format = isJPEG ? RGBFormat : RGBAFormat; + texture.image = image; + texture.needsUpdate = true; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + return this; + + }, + + setWithCredentials: function ( value ) { + + this.withCredentials = value; + return this; + + }, + + setPath: function ( value ) { + + this.path = value; + return this; + + } + + + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Light( color, intensity ) { + + Object3D.call( this ); + + this.type = 'Light'; + + this.color = new Color( color ); + this.intensity = intensity !== undefined ? intensity : 1; + + this.receiveShadow = undefined; + + } + + Light.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Light, + + isLight: true, + + copy: function ( source ) { + + Object3D.prototype.copy.call( this, source ); + + this.color.copy( source.color ); + this.intensity = source.intensity; + + return this; + + }, + + toJSON: function ( meta ) { + + var data = Object3D.prototype.toJSON.call( this, meta ); + + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + + return data; + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function HemisphereLight( skyColor, groundColor, intensity ) { + + Light.call( this, skyColor, intensity ); + + this.type = 'HemisphereLight'; + + this.castShadow = undefined; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.groundColor = new Color( groundColor ); + + } + + HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: HemisphereLight, + + isHemisphereLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.groundColor.copy( source.groundColor ); + + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function LightShadow( camera ) { + + this.camera = camera; + + this.bias = 0; + this.radius = 1; + + this.mapSize = new Vector2( 512, 512 ); + + this.map = null; + this.matrix = new Matrix4(); + + } + + Object.assign( LightShadow.prototype, { + + copy: function ( source ) { + + this.camera = source.camera.clone(); + + this.bias = source.bias; + this.radius = source.radius; + + this.mapSize.copy( source.mapSize ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + toJSON: function () { + + var object = {}; + + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + + return object; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function SpotLightShadow() { + + LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + + } + + SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + + constructor: SpotLightShadow, + + isSpotLightShadow: true, + + update: function ( light ) { + + var fov = _Math.RAD2DEG * 2 * light.angle; + var aspect = this.mapSize.width / this.mapSize.height; + var far = light.distance || 500; + + var camera = this.camera; + + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); + + } + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function SpotLight( color, intensity, distance, angle, penumbra, decay ) { + + Light.call( this, color, intensity ); + + this.type = 'SpotLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * Math.PI; + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / Math.PI; + } + } ); + + this.distance = ( distance !== undefined ) ? distance : 0; + this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; + this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + + this.shadow = new SpotLightShadow(); + + } + + SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: SpotLight, + + isSpotLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + + function PointLight( color, intensity, distance, decay ) { + + Light.call( this, color, intensity ); + + this.type = 'PointLight'; + + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * 4 * Math.PI; + + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / ( 4 * Math.PI ); + } + } ); + + this.distance = ( distance !== undefined ) ? distance : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + + this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + + } + + PointLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: PointLight, + + isPointLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.distance = source.distance; + this.decay = source.decay; + + this.shadow = source.shadow.clone(); + + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function DirectionalLightShadow( light ) { + + LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + + } + + DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + + constructor: DirectionalLightShadow + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function DirectionalLight( color, intensity ) { + + Light.call( this, color, intensity ); + + this.type = 'DirectionalLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.shadow = new DirectionalLightShadow(); + + } + + DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: DirectionalLight, + + isDirectionalLight: true, + + copy: function ( source ) { + + Light.prototype.copy.call( this, source ); + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function AmbientLight( color, intensity ) { + + Light.call( this, color, intensity ); + + this.type = 'AmbientLight'; + + this.castShadow = undefined; + + } + + AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: AmbientLight, + + isAmbientLight: true, + + } ); + + /** + * @author tschw + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ + + var AnimationUtils = { + + // same as Array.prototype.slice, but also works on typed arrays + arraySlice: function( array, from, to ) { + + if ( AnimationUtils.isTypedArray( array ) ) { + + return new array.constructor( array.subarray( from, to ) ); + + } + + return array.slice( from, to ); + + }, + + // converts an array to a specific type + convertArray: function( array, type, forceClone ) { + + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; + + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + + return new type( array ); // create typed array + + } + + return Array.prototype.slice.call( array ); // create Array + + }, + + isTypedArray: function( object ) { + + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); + + }, + + // returns an array by which times and values can be sorted + getKeyframeOrder: function( times ) { + + function compareTime( i, j ) { + + return times[ i ] - times[ j ]; + + } + + var n = times.length; + var result = new Array( n ); + for ( var i = 0; i !== n; ++ i ) result[ i ] = i; + + result.sort( compareTime ); + + return result; + + }, + + // uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray: function( values, stride, order ) { + + var nValues = values.length; + var result = new values.constructor( nValues ); + + for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + + var srcOffset = order[ i ] * stride; + + for ( var j = 0; j !== stride; ++ j ) { + + result[ dstOffset ++ ] = values[ srcOffset + j ]; + + } + + } + + return result; + + }, + + // function for parsing AOS keyframe formats + flattenJSON: function( jsonKeys, times, values, valuePropertyName ) { + + var i = 1, key = jsonKeys[ 0 ]; + + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + + key = jsonKeys[ i ++ ]; + + } + + if ( key === undefined ) return; // no data + + var value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data + + if ( Array.isArray( value ) ) { + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push.apply( values, value ); // push all elements + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else if ( value.toArray !== undefined ) { + // ...assume THREE.Math-ish + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + value.toArray( values, values.length ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else { + // otherwise push as-is + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push( value ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } + + } + + }; + + /** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + * @author tschw + */ + + function Interpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + + } + + Interpolant.prototype = { + + constructor: Interpolant, + + evaluate: function( t ) { + + var pp = this.parameterPositions, + i1 = this._cachedIndex, + + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; + + validate_interval: { + + seek: { + + var right; + + linear_scan: { + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { + + for ( var giveUpAt = i1 + 2; ;) { + + if ( t1 === undefined ) { + + if ( t < t0 ) break forward_scan; + + // after end + + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t, t0 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t0 = t1; + t1 = pp[ ++ i1 ]; + + if ( t < t1 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; + + } + + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { + + // looping? + + var t1global = pp[ 1 ]; + + if ( t < t1global ) { + + i1 = 2; // + 1, using the scan for the details + t0 = t1global; + + } + + // linear reverse scan + + for ( var giveUpAt = i1 - 2; ;) { + + if ( t0 === undefined ) { + + // before start + + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t1 = t0; + t0 = pp[ -- i1 - 1 ]; + + if ( t >= t0 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; + + } + + // the interval is valid + + break validate_interval; + + } // linear scan + + // binary search + + while ( i1 < right ) { + + var mid = ( i1 + right ) >>> 1; + + if ( t < pp[ mid ] ) { + + right = mid; + + } else { + + i1 = mid + 1; + + } + + } + + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; + + // check boundary cases, again + + if ( t0 === undefined ) { + + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); + + } + + if ( t1 === undefined ) { + + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t0, t ); + + } + + } // seek + + this._cachedIndex = i1; + + this.intervalChanged_( i1, t0, t1 ); + + } // validate_interval + + return this.interpolate_( i1, t0, t, t1 ); + + }, + + settings: null, // optional, subclass-specific settings structure + // Note: The indirection allows central control of many interpolants. + + // --- Protected interface + + DefaultSettings_: {}, + + getSettings_: function() { + + return this.settings || this.DefaultSettings_; + + }, + + copySampleValue_: function( index ) { + + // copies a sample value to the result buffer + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = values[ offset + i ]; + + } + + return result; + + }, + + // Template methods for derived classes: + + interpolate_: function( i1, t0, t, t1 ) { + + throw new Error( "call to abstract method" ); + // implementations shall return this.resultBuffer + + }, + + intervalChanged_: function( i1, t0, t1 ) { + + // empty + + } + + }; + + Object.assign( Interpolant.prototype, { + + beforeStart_: //( 0, t, t0 ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_, + + afterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_ + + } ); + + /** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + * + * @author tschw + */ + + function CubicInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; + + } + + CubicInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { + + constructor: CubicInterpolant, + + DefaultSettings_: { + + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + + }, + + intervalChanged_: function( i1, t0, t1 ) { + + var pp = this.parameterPositions, + iPrev = i1 - 2, + iNext = i1 + 1, + + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; + + if ( tPrev === undefined ) { + + switch ( this.getSettings_().endingStart ) { + + case ZeroSlopeEnding: + + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; + + } + + } + + if ( tNext === undefined ) { + + switch ( this.getSettings_().endingEnd ) { + + case ZeroSlopeEnding: + + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; + + } + + } + + var halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + + }, + + interpolate_: function( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, + + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; + + // evaluate polynomials + + var sP = - wP * ppp + 2 * wP * pp - wP * p; + var s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; + var s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + var sN = wN * ppp - wN * pp; + + // combine data linearly + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; + + } + + return result; + + } + + } ); + + /** + * @author tschw + */ + + function LinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + LinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { + + constructor: LinearInterpolant, + + interpolate_: function( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset1 = i1 * stride, + offset0 = offset1 - stride, + + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; + + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; + + } + + return result; + + } + + } ); + + /** + * + * Interpolant that evaluates to the sample value at the position preceeding + * the parameter. + * + * @author tschw + */ + + function DiscreteInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + DiscreteInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { + + constructor: DiscreteInterpolant, + + interpolate_: function( i1, t0, t, t1 ) { + + return this.copySampleValue_( i1 - 1 ); + + } + + } ); + + var KeyframeTrackPrototype; + + KeyframeTrackPrototype = { + + TimeBufferType: Float32Array, + ValueBufferType: Float32Array, + + DefaultInterpolation: InterpolateLinear, + + InterpolantFactoryMethodDiscrete: function( result ) { + + return new DiscreteInterpolant( + this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodLinear: function( result ) { + + return new LinearInterpolant( + this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodSmooth: function( result ) { + + return new CubicInterpolant( + this.times, this.values, this.getValueSize(), result ); + + }, + + setInterpolation: function( interpolation ) { + + var factoryMethod; + + switch ( interpolation ) { + + case InterpolateDiscrete: + + factoryMethod = this.InterpolantFactoryMethodDiscrete; + + break; + + case InterpolateLinear: + + factoryMethod = this.InterpolantFactoryMethodLinear; + + break; + + case InterpolateSmooth: + + factoryMethod = this.InterpolantFactoryMethodSmooth; + + break; + + } + + if ( factoryMethod === undefined ) { + + var message = "unsupported interpolation for " + + this.ValueTypeName + " keyframe track named " + this.name; + + if ( this.createInterpolant === undefined ) { + + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { + + this.setInterpolation( this.DefaultInterpolation ); + + } else { + + throw new Error( message ); // fatal, in this case + + } + + } + + console.warn( message ); + return; + + } + + this.createInterpolant = factoryMethod; + + }, + + getInterpolation: function() { + + switch ( this.createInterpolant ) { + + case this.InterpolantFactoryMethodDiscrete: + + return InterpolateDiscrete; + + case this.InterpolantFactoryMethodLinear: + + return InterpolateLinear; + + case this.InterpolantFactoryMethodSmooth: + + return InterpolateSmooth; + + } + + }, + + getValueSize: function() { + + return this.values.length / this.times.length; + + }, + + // move all keyframes either forwards or backwards in time + shift: function( timeOffset ) { + + if( timeOffset !== 0.0 ) { + + var times = this.times; + + for( var i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] += timeOffset; + + } + + } + + return this; + + }, + + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale: function( timeScale ) { + + if( timeScale !== 1.0 ) { + + var times = this.times; + + for( var i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] *= timeScale; + + } + + } + + return this; + + }, + + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim: function( startTime, endTime ) { + + var times = this.times, + nKeys = times.length, + from = 0, + to = nKeys - 1; + + while ( from !== nKeys && times[ from ] < startTime ) ++ from; + while ( to !== -1 && times[ to ] > endTime ) -- to; + + ++ to; // inclusive -> exclusive bound + + if( from !== 0 || to !== nKeys ) { + + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) to = Math.max( to , 1 ), from = to - 1; + + var stride = this.getValueSize(); + this.times = AnimationUtils.arraySlice( times, from, to ); + this.values = AnimationUtils. + arraySlice( this.values, from * stride, to * stride ); + + } + + return this; + + }, + + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate: function() { + + var valid = true; + + var valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { + + console.error( "invalid value size in track", this ); + valid = false; + + } + + var times = this.times, + values = this.values, + + nKeys = times.length; + + if( nKeys === 0 ) { + + console.error( "track is empty", this ); + valid = false; + + } + + var prevTime = null; + + for( var i = 0; i !== nKeys; i ++ ) { + + var currTime = times[ i ]; + + if ( typeof currTime === 'number' && isNaN( currTime ) ) { + + console.error( "time is not a valid number", this, i, currTime ); + valid = false; + break; + + } + + if( prevTime !== null && prevTime > currTime ) { + + console.error( "out of order keys", this, i, currTime, prevTime ); + valid = false; + break; + + } + + prevTime = currTime; + + } + + if ( values !== undefined ) { + + if ( AnimationUtils.isTypedArray( values ) ) { + + for ( var i = 0, n = values.length; i !== n; ++ i ) { + + var value = values[ i ]; + + if ( isNaN( value ) ) { + + console.error( "value is not a valid number", this, i, value ); + valid = false; + break; + + } + + } + + } + + } + + return valid; + + }, + + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize: function() { + + var times = this.times, + values = this.values, + stride = this.getValueSize(), + + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + + writeIndex = 1, + lastIndex = times.length - 1; + + for( var i = 1; i < lastIndex; ++ i ) { + + var keep = false; + + var time = times[ i ]; + var timeNext = times[ i + 1 ]; + + // remove adjacent keyframes scheduled at the same time + + if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { + + if ( ! smoothInterpolation ) { + + // remove unnecessary keyframes same as their neighbors + + var offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; + + for ( var j = 0; j !== stride; ++ j ) { + + var value = values[ offset + j ]; + + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { + + keep = true; + break; + + } + + } + + } else keep = true; + + } + + // in-place compaction + + if ( keep ) { + + if ( i !== writeIndex ) { + + times[ writeIndex ] = times[ i ]; + + var readOffset = i * stride, + writeOffset = writeIndex * stride; + + for ( var j = 0; j !== stride; ++ j ) + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + ++ writeIndex; + + } + + } + + // flush last keyframe (compaction looks ahead) + + if ( lastIndex > 0 ) { + + times[ writeIndex ] = times[ lastIndex ]; + + for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) + + values[ writeOffset + j ] = values[ readOffset + j ]; + + ++ writeIndex; + + } + + if ( writeIndex !== times.length ) { + + this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); + this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); + + } + + return this; + + } + + }; + + function KeyframeTrackConstructor( name, times, values, interpolation ) { + + if( name === undefined ) throw new Error( "track name is undefined" ); + + if( times === undefined || times.length === 0 ) { + + throw new Error( "no keyframes in track named " + name ); + + } + + this.name = name; + + this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); + this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); + + this.setInterpolation( interpolation || this.DefaultInterpolation ); + + this.validate(); + this.optimize(); + + } + + /** + * + * A Track of vectored keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function VectorKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + + } + + VectorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: VectorKeyframeTrack, + + ValueTypeName: 'vector' + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + + } ); + + /** + * Spherical linear unit quaternion interpolant. + * + * @author tschw + */ + + function QuaternionLinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + QuaternionLinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { + + constructor: QuaternionLinearInterpolant, + + interpolate_: function( i1, t0, t, t1 ) { + + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset = i1 * stride, + + alpha = ( t - t0 ) / ( t1 - t0 ); + + for ( var end = offset + stride; offset !== end; offset += 4 ) { + + Quaternion.slerpFlat( result, 0, + values, offset - stride, values, offset, alpha ); + + } + + return result; + + } + + } ); + + /** + * + * A Track of quaternion keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function QuaternionKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + + } + + QuaternionKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: QuaternionKeyframeTrack, + + ValueTypeName: 'quaternion', + + // ValueBufferType is inherited + + DefaultInterpolation: InterpolateLinear, + + InterpolantFactoryMethodLinear: function( result ) { + + return new QuaternionLinearInterpolant( + this.times, this.values, this.getValueSize(), result ); + + }, + + InterpolantFactoryMethodSmooth: undefined // not yet implemented + + } ); + + /** + * + * A Track of numeric keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function NumberKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + + } + + NumberKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: NumberKeyframeTrack, + + ValueTypeName: 'number', + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + + } ); + + /** + * + * A Track that interpolates Strings + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function StringKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + + } + + StringKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: StringKeyframeTrack, + + ValueTypeName: 'string', + ValueBufferType: Array, + + DefaultInterpolation: InterpolateDiscrete, + + InterpolantFactoryMethodLinear: undefined, + + InterpolantFactoryMethodSmooth: undefined + + } ); + + /** + * + * A Track of Boolean keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function BooleanKeyframeTrack( name, times, values ) { + + KeyframeTrackConstructor.call( this, name, times, values ); + + } + + BooleanKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: BooleanKeyframeTrack, + + ValueTypeName: 'bool', + ValueBufferType: Array, + + DefaultInterpolation: InterpolateDiscrete, + + InterpolantFactoryMethodLinear: undefined, + InterpolantFactoryMethodSmooth: undefined + + // Note: Actually this track could have a optimized / compressed + // representation of a single value and a custom interpolant that + // computes "firstValue ^ isOdd( index )". + + } ); + + /** + * + * A Track of keyframe values that represent color. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function ColorKeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + + } + + ColorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { + + constructor: ColorKeyframeTrack, + + ValueTypeName: 'color' + + // ValueBufferType is inherited + + // DefaultInterpolation is inherited + + + // Note: Very basic implementation and nothing special yet. + // However, this is the place for color space parameterization. + + } ); + + /** + * + * A timed sequence of keyframes for a specific property. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function KeyframeTrack( name, times, values, interpolation ) { + + KeyframeTrackConstructor.apply( this, arguments ); + + } + + KeyframeTrack.prototype = KeyframeTrackPrototype; + KeyframeTrackPrototype.constructor = KeyframeTrack; + + // Static methods: + + Object.assign( KeyframeTrack, { + + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): + + parse: function( json ) { + + if( json.type === undefined ) { + + throw new Error( "track type undefined, can not parse" ); + + } + + var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type ); + + if ( json.times === undefined ) { + + var times = [], values = []; + + AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); + + json.times = times; + json.values = values; + + } + + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { + + return trackType.parse( json ); + + } else { + + // by default, we asssume a constructor compatible with the base + return new trackType( + json.name, json.times, json.values, json.interpolation ); + + } + + }, + + toJSON: function( track ) { + + var trackType = track.constructor; + + var json; + + // derived classes can define a static toJSON method + if ( trackType.toJSON !== undefined ) { + + json = trackType.toJSON( track ); + + } else { + + // by default, we assume the data can be serialized as-is + json = { + + 'name': track.name, + 'times': AnimationUtils.convertArray( track.times, Array ), + 'values': AnimationUtils.convertArray( track.values, Array ) + + }; + + var interpolation = track.getInterpolation(); + + if ( interpolation !== track.DefaultInterpolation ) { + + json.interpolation = interpolation; + + } + + } + + json.type = track.ValueTypeName; // mandatory + + return json; + + }, + + _getTrackTypeForValueTypeName: function( typeName ) { + + switch( typeName.toLowerCase() ) { + + case "scalar": + case "double": + case "float": + case "number": + case "integer": + + return NumberKeyframeTrack; + + case "vector": + case "vector2": + case "vector3": + case "vector4": + + return VectorKeyframeTrack; + + case "color": + + return ColorKeyframeTrack; + + case "quaternion": + + return QuaternionKeyframeTrack; + + case "bool": + case "boolean": + + return BooleanKeyframeTrack; + + case "string": + + return StringKeyframeTrack; + + } + + throw new Error( "Unsupported typeName: " + typeName ); + + } + + } ); + + /** + * + * Reusable set of Tracks that represent an animation. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ + + function AnimationClip( name, duration, tracks ) { + + this.name = name; + this.tracks = tracks; + this.duration = ( duration !== undefined ) ? duration : -1; + + this.uuid = _Math.generateUUID(); + + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { + + this.resetDuration(); + + } + + this.optimize(); + + } + + AnimationClip.prototype = { + + constructor: AnimationClip, + + resetDuration: function() { + + var tracks = this.tracks, + duration = 0; + + for ( var i = 0, n = tracks.length; i !== n; ++ i ) { + + var track = this.tracks[ i ]; + + duration = Math.max( + duration, track.times[ track.times.length - 1 ] ); + + } + + this.duration = duration; + + }, + + trim: function() { + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].trim( 0, this.duration ); + + } + + return this; + + }, + + optimize: function() { + + for ( var i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].optimize(); + + } + + return this; + + } + + }; + + // Static methods: + + Object.assign( AnimationClip, { + + parse: function( json ) { + + var tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); + + for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { + + tracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) ); + + } + + return new AnimationClip( json.name, json.duration, tracks ); + + }, + + + toJSON: function( clip ) { + + var tracks = [], + clipTracks = clip.tracks; + + var json = { + + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks + + }; + + for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { + + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + + } + + return json; + + }, + + + CreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) { + + var numMorphTargets = morphTargetSequence.length; + var tracks = []; + + for ( var i = 0; i < numMorphTargets; i ++ ) { + + var times = []; + var values = []; + + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); + + values.push( 0, 1, 0 ); + + var order = AnimationUtils.getKeyframeOrder( times ); + times = AnimationUtils.sortedArray( times, 1, order ); + values = AnimationUtils.sortedArray( values, 1, order ); + + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { + + times.push( numMorphTargets ); + values.push( values[ 0 ] ); + + } + + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + } + + return new AnimationClip( name, -1, tracks ); + + }, + + findByName: function( objectOrClipArray, name ) { + + var clipArray = objectOrClipArray; + + if ( ! Array.isArray( objectOrClipArray ) ) { + + var o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + + } + + for ( var i = 0; i < clipArray.length; i ++ ) { + + if ( clipArray[ i ].name === name ) { + + return clipArray[ i ]; + + } + } + + return null; + + }, + + CreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) { + + var animationToMorphTargets = {}; + + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + var pattern = /^([\w-]*?)([\d]+)$/; + + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { + + var morphTarget = morphTargets[ i ]; + var parts = morphTarget.name.match( pattern ); + + if ( parts && parts.length > 1 ) { + + var name = parts[ 1 ]; + + var animationMorphTargets = animationToMorphTargets[ name ]; + if ( ! animationMorphTargets ) { + + animationToMorphTargets[ name ] = animationMorphTargets = []; + + } + + animationMorphTargets.push( morphTarget ); + + } + + } + + var clips = []; + + for ( var name in animationToMorphTargets ) { + + clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + + } + + return clips; + + }, + + // parse the animation.hierarchy format + parseAnimation: function( animation, bones ) { + + if ( ! animation ) { + + console.error( " no animation in JSONLoader data" ); + return null; + + } + + var addNonemptyTrack = function( + trackType, trackName, animationKeys, propertyName, destTracks ) { + + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { + + var times = []; + var values = []; + + AnimationUtils.flattenJSON( + animationKeys, times, values, propertyName ); + + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { + + destTracks.push( new trackType( trackName, times, values ) ); + + } + + } + + }; + + var tracks = []; + + var clipName = animation.name || 'default'; + // automatic length determination in AnimationClip. + var duration = animation.length || -1; + var fps = animation.fps || 30; + + var hierarchyTracks = animation.hierarchy || []; + + for ( var h = 0; h < hierarchyTracks.length; h ++ ) { + + var animationKeys = hierarchyTracks[ h ].keys; + + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; + + // process morph targets in a way exactly compatible + // with AnimationHandler.init( animation ) + if ( animationKeys[0].morphTargets ) { + + // figure out all morph targets used in this track + var morphTargetNames = {}; + for ( var k = 0; k < animationKeys.length; k ++ ) { + + if ( animationKeys[k].morphTargets ) { + + for ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) { + + morphTargetNames[ animationKeys[k].morphTargets[m] ] = -1; + } + + } + + } + + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( var morphTargetName in morphTargetNames ) { + + var times = []; + var values = []; + + for ( var m = 0; + m !== animationKeys[k].morphTargets.length; ++ m ) { + + var animationKey = animationKeys[k]; + + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + + } + + tracks.push( new NumberKeyframeTrack( + '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + + } + + duration = morphTargetNames.length * ( fps || 1.0 ); + + } else { + // ...assume skeletal animation + + var boneName = '.bones[' + bones[ h ].name + ']'; + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); + + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); + + } + + } + + if ( tracks.length === 0 ) { + + return null; + + } + + var clip = new AnimationClip( clipName, duration, tracks ); + + return clip; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function MaterialLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.textures = {}; + + } + + Object.assign( MaterialLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + }, onProgress, onError ); + + }, + + setTextures: function ( value ) { + + this.textures = value; + + }, + + parse: function ( json ) { + + var textures = this.textures; + + function getTexture( name ) { + + if ( textures[ name ] === undefined ) { + + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + + } + + return textures[ name ]; + + } + + var material = new Materials[ json.type ](); + + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.uniforms !== undefined ) material.uniforms = json.uniforms; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.shading !== undefined ) material.shading = json.shading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.side !== undefined ) material.side = json.side; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + if ( json.skinning !== undefined ) material.skinning = json.skinning; + if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; + + // for PointsMaterial + + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + + // maps + + if ( json.map !== undefined ) material.map = getTexture( json.map ); + + if ( json.alphaMap !== undefined ) { + + material.alphaMap = getTexture( json.alphaMap ); + material.transparent = true; + + } + + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalScale !== undefined ) { + + var normalScale = json.normalScale; + + if ( Array.isArray( normalScale ) === false ) { + + // Blender exporter used to export a scalar. See #7459 + + normalScale = [ normalScale, normalScale ]; + + } + + material.normalScale = new Vector2().fromArray( normalScale ); + + } + + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + + // MultiMaterial + + if ( json.materials !== undefined ) { + + for ( var i = 0, l = json.materials.length; i < l; i ++ ) { + + material.materials.push( this.parse( json.materials[ i ] ) ); + + } + + } + + return material; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function BufferGeometryLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( BufferGeometryLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + var geometry = new BufferGeometry(); + + var index = json.data.index; + + var TYPED_ARRAYS = { + 'Int8Array': Int8Array, + 'Uint8Array': Uint8Array, + 'Uint8ClampedArray': Uint8ClampedArray, + 'Int16Array': Int16Array, + 'Uint16Array': Uint16Array, + 'Int32Array': Int32Array, + 'Uint32Array': Uint32Array, + 'Float32Array': Float32Array, + 'Float64Array': Float64Array + }; + + if ( index !== undefined ) { + + var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + + } + + var attributes = json.data.attributes; + + for ( var key in attributes ) { + + var attribute = attributes[ key ]; + var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); + + geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); + + } + + var groups = json.data.groups || json.data.drawcalls || json.data.offsets; + + if ( groups !== undefined ) { + + for ( var i = 0, n = groups.length; i !== n; ++ i ) { + + var group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); + + } + + } + + var boundingSphere = json.data.boundingSphere; + + if ( boundingSphere !== undefined ) { + + var center = new Vector3(); + + if ( boundingSphere.center !== undefined ) { + + center.fromArray( boundingSphere.center ); + + } + + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + + } + + return geometry; + + } + + } ); + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function Loader() { + + this.onLoadStart = function () {}; + this.onLoadProgress = function () {}; + this.onLoadComplete = function () {}; + + } + + Loader.prototype = { + + constructor: Loader, + + crossOrigin: undefined, + + extractUrlBase: function ( url ) { + + var parts = url.split( '/' ); + + if ( parts.length === 1 ) return './'; + + parts.pop(); + + return parts.join( '/' ) + '/'; + + }, + + initMaterials: function ( materials, texturePath, crossOrigin ) { + + var array = []; + + for ( var i = 0; i < materials.length; ++ i ) { + + array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin ); + + } + + return array; + + }, + + createMaterial: ( function () { + + var color, textureLoader, materialLoader; + + return function createMaterial( m, texturePath, crossOrigin ) { + + if ( color === undefined ) color = new Color(); + if ( textureLoader === undefined ) textureLoader = new TextureLoader(); + if ( materialLoader === undefined ) materialLoader = new MaterialLoader(); + + // convert from old material format + + var textures = {}; + + function loadTexture( path, repeat, offset, wrap, anisotropy ) { + + var fullPath = texturePath + path; + var loader = Loader.Handlers.get( fullPath ); + + var texture; + + if ( loader !== null ) { + + texture = loader.load( fullPath ); + + } else { + + textureLoader.setCrossOrigin( crossOrigin ); + texture = textureLoader.load( fullPath ); + + } + + if ( repeat !== undefined ) { + + texture.repeat.fromArray( repeat ); + + if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping; + if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping; + + } + + if ( offset !== undefined ) { + + texture.offset.fromArray( offset ); + + } + + if ( wrap !== undefined ) { + + if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping; + if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping; + + if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping; + if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping; + + } + + if ( anisotropy !== undefined ) { + + texture.anisotropy = anisotropy; + + } + + var uuid = _Math.generateUUID(); + + textures[ uuid ] = texture; + + return uuid; + + } + + // + + var json = { + uuid: _Math.generateUUID(), + type: 'MeshLambertMaterial' + }; + + for ( var name in m ) { + + var value = m[ name ]; + + switch ( name ) { + case 'DbgColor': + case 'DbgIndex': + case 'opticalDensity': + case 'illumination': + break; + case 'DbgName': + json.name = value; + break; + case 'blending': + json.blending = BlendingMode[ value ]; + break; + case 'colorAmbient': + case 'mapAmbient': + console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' ); + break; + case 'colorDiffuse': + json.color = color.fromArray( value ).getHex(); + break; + case 'colorSpecular': + json.specular = color.fromArray( value ).getHex(); + break; + case 'colorEmissive': + json.emissive = color.fromArray( value ).getHex(); + break; + case 'specularCoef': + json.shininess = value; + break; + case 'shading': + if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial'; + if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial'; + if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial'; + break; + case 'mapDiffuse': + json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy ); + break; + case 'mapDiffuseRepeat': + case 'mapDiffuseOffset': + case 'mapDiffuseWrap': + case 'mapDiffuseAnisotropy': + break; + case 'mapEmissive': + json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy ); + break; + case 'mapEmissiveRepeat': + case 'mapEmissiveOffset': + case 'mapEmissiveWrap': + case 'mapEmissiveAnisotropy': + break; + case 'mapLight': + json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy ); + break; + case 'mapLightRepeat': + case 'mapLightOffset': + case 'mapLightWrap': + case 'mapLightAnisotropy': + break; + case 'mapAO': + json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy ); + break; + case 'mapAORepeat': + case 'mapAOOffset': + case 'mapAOWrap': + case 'mapAOAnisotropy': + break; + case 'mapBump': + json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy ); + break; + case 'mapBumpScale': + json.bumpScale = value; + break; + case 'mapBumpRepeat': + case 'mapBumpOffset': + case 'mapBumpWrap': + case 'mapBumpAnisotropy': + break; + case 'mapNormal': + json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy ); + break; + case 'mapNormalFactor': + json.normalScale = [ value, value ]; + break; + case 'mapNormalRepeat': + case 'mapNormalOffset': + case 'mapNormalWrap': + case 'mapNormalAnisotropy': + break; + case 'mapSpecular': + json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy ); + break; + case 'mapSpecularRepeat': + case 'mapSpecularOffset': + case 'mapSpecularWrap': + case 'mapSpecularAnisotropy': + break; + case 'mapMetalness': + json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy ); + break; + case 'mapMetalnessRepeat': + case 'mapMetalnessOffset': + case 'mapMetalnessWrap': + case 'mapMetalnessAnisotropy': + break; + case 'mapRoughness': + json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy ); + break; + case 'mapRoughnessRepeat': + case 'mapRoughnessOffset': + case 'mapRoughnessWrap': + case 'mapRoughnessAnisotropy': + break; + case 'mapAlpha': + json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy ); + break; + case 'mapAlphaRepeat': + case 'mapAlphaOffset': + case 'mapAlphaWrap': + case 'mapAlphaAnisotropy': + break; + case 'flipSided': + json.side = BackSide; + break; + case 'doubleSided': + json.side = DoubleSide; + break; + case 'transparency': + console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' ); + json.opacity = value; + break; + case 'depthTest': + case 'depthWrite': + case 'colorWrite': + case 'opacity': + case 'reflectivity': + case 'transparent': + case 'visible': + case 'wireframe': + json[ name ] = value; + break; + case 'vertexColors': + if ( value === true ) json.vertexColors = VertexColors; + if ( value === 'face' ) json.vertexColors = FaceColors; + break; + default: + console.error( 'THREE.Loader.createMaterial: Unsupported', name, value ); + break; + } + + } + + if ( json.type === 'MeshBasicMaterial' ) delete json.emissive; + if ( json.type !== 'MeshPhongMaterial' ) delete json.specular; + + if ( json.opacity < 1 ) json.transparent = true; + + materialLoader.setTextures( textures ); + + return materialLoader.parse( json ); + + }; + + } )() + + }; + + Loader.Handlers = { + + handlers: [], + + add: function ( regex, loader ) { + + this.handlers.push( regex, loader ); + + }, + + get: function ( file ) { + + var handlers = this.handlers; + + for ( var i = 0, l = handlers.length; i < l; i += 2 ) { + + var regex = handlers[ i ]; + var loader = handlers[ i + 1 ]; + + if ( regex.test( file ) ) { + + return loader; + + } + + } + + return null; + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function JSONLoader( manager ) { + + if ( typeof manager === 'boolean' ) { + + console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' ); + manager = undefined; + + } + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + this.withCredentials = false; + + } + + Object.assign( JSONLoader.prototype, { + + load: function( url, onLoad, onProgress, onError ) { + + var scope = this; + + var texturePath = this.texturePath && ( typeof this.texturePath === "string" ) ? this.texturePath : Loader.prototype.extractUrlBase( url ); + + var loader = new XHRLoader( this.manager ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + var json = JSON.parse( text ); + var metadata = json.metadata; + + if ( metadata !== undefined ) { + + var type = metadata.type; + + if ( type !== undefined ) { + + if ( type.toLowerCase() === 'object' ) { + + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' ); + return; + + } + + if ( type.toLowerCase() === 'scene' ) { + + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' ); + return; + + } + + } + + } + + var object = scope.parse( json, texturePath ); + onLoad( object.geometry, object.materials ); + + }, onProgress, onError ); + + }, + + setTexturePath: function ( value ) { + + this.texturePath = value; + + }, + + parse: function ( json, texturePath ) { + + var geometry = new Geometry(), + scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0; + + parseModel( scale ); + + parseSkin(); + parseMorphing( scale ); + parseAnimations(); + + geometry.computeFaceNormals(); + geometry.computeBoundingSphere(); + + function parseModel( scale ) { + + function isBitSet( value, position ) { + + return value & ( 1 << position ); + + } + + var i, j, fi, + + offset, zLength, + + colorIndex, normalIndex, uvIndex, materialIndex, + + type, + isQuad, + hasMaterial, + hasFaceVertexUv, + hasFaceNormal, hasFaceVertexNormal, + hasFaceColor, hasFaceVertexColor, + + vertex, face, faceA, faceB, hex, normal, + + uvLayer, uv, u, v, + + faces = json.faces, + vertices = json.vertices, + normals = json.normals, + colors = json.colors, + + nUvLayers = 0; + + if ( json.uvs !== undefined ) { + + // disregard empty arrays + + for ( i = 0; i < json.uvs.length; i ++ ) { + + if ( json.uvs[ i ].length ) nUvLayers ++; + + } + + for ( i = 0; i < nUvLayers; i ++ ) { + + geometry.faceVertexUvs[ i ] = []; + + } + + } + + offset = 0; + zLength = vertices.length; + + while ( offset < zLength ) { + + vertex = new Vector3(); + + vertex.x = vertices[ offset ++ ] * scale; + vertex.y = vertices[ offset ++ ] * scale; + vertex.z = vertices[ offset ++ ] * scale; + + geometry.vertices.push( vertex ); + + } + + offset = 0; + zLength = faces.length; + + while ( offset < zLength ) { + + type = faces[ offset ++ ]; + + + isQuad = isBitSet( type, 0 ); + hasMaterial = isBitSet( type, 1 ); + hasFaceVertexUv = isBitSet( type, 3 ); + hasFaceNormal = isBitSet( type, 4 ); + hasFaceVertexNormal = isBitSet( type, 5 ); + hasFaceColor = isBitSet( type, 6 ); + hasFaceVertexColor = isBitSet( type, 7 ); + + // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor); + + if ( isQuad ) { + + faceA = new Face3(); + faceA.a = faces[ offset ]; + faceA.b = faces[ offset + 1 ]; + faceA.c = faces[ offset + 3 ]; + + faceB = new Face3(); + faceB.a = faces[ offset + 1 ]; + faceB.b = faces[ offset + 2 ]; + faceB.c = faces[ offset + 3 ]; + + offset += 4; + + if ( hasMaterial ) { + + materialIndex = faces[ offset ++ ]; + faceA.materialIndex = materialIndex; + faceB.materialIndex = materialIndex; + + } + + // to get face <=> uv index correspondence + + fi = geometry.faces.length; + + if ( hasFaceVertexUv ) { + + for ( i = 0; i < nUvLayers; i ++ ) { + + uvLayer = json.uvs[ i ]; + + geometry.faceVertexUvs[ i ][ fi ] = []; + geometry.faceVertexUvs[ i ][ fi + 1 ] = []; + + for ( j = 0; j < 4; j ++ ) { + + uvIndex = faces[ offset ++ ]; + + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; + + uv = new Vector2( u, v ); + + if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv ); + if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv ); + + } + + } + + } + + if ( hasFaceNormal ) { + + normalIndex = faces[ offset ++ ] * 3; + + faceA.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); + + faceB.normal.copy( faceA.normal ); + + } + + if ( hasFaceVertexNormal ) { + + for ( i = 0; i < 4; i ++ ) { + + normalIndex = faces[ offset ++ ] * 3; + + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); + + + if ( i !== 2 ) faceA.vertexNormals.push( normal ); + if ( i !== 0 ) faceB.vertexNormals.push( normal ); + + } + + } + + + if ( hasFaceColor ) { + + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; + + faceA.color.setHex( hex ); + faceB.color.setHex( hex ); + + } + + + if ( hasFaceVertexColor ) { + + for ( i = 0; i < 4; i ++ ) { + + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; + + if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) ); + if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) ); + + } + + } + + geometry.faces.push( faceA ); + geometry.faces.push( faceB ); + + } else { + + face = new Face3(); + face.a = faces[ offset ++ ]; + face.b = faces[ offset ++ ]; + face.c = faces[ offset ++ ]; + + if ( hasMaterial ) { + + materialIndex = faces[ offset ++ ]; + face.materialIndex = materialIndex; + + } + + // to get face <=> uv index correspondence + + fi = geometry.faces.length; + + if ( hasFaceVertexUv ) { + + for ( i = 0; i < nUvLayers; i ++ ) { + + uvLayer = json.uvs[ i ]; + + geometry.faceVertexUvs[ i ][ fi ] = []; + + for ( j = 0; j < 3; j ++ ) { + + uvIndex = faces[ offset ++ ]; + + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; + + uv = new Vector2( u, v ); + + geometry.faceVertexUvs[ i ][ fi ].push( uv ); + + } + + } + + } + + if ( hasFaceNormal ) { + + normalIndex = faces[ offset ++ ] * 3; + + face.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); + + } + + if ( hasFaceVertexNormal ) { + + for ( i = 0; i < 3; i ++ ) { + + normalIndex = faces[ offset ++ ] * 3; + + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); + + face.vertexNormals.push( normal ); + + } + + } + + + if ( hasFaceColor ) { + + colorIndex = faces[ offset ++ ]; + face.color.setHex( colors[ colorIndex ] ); + + } + + + if ( hasFaceVertexColor ) { + + for ( i = 0; i < 3; i ++ ) { + + colorIndex = faces[ offset ++ ]; + face.vertexColors.push( new Color( colors[ colorIndex ] ) ); + + } + + } + + geometry.faces.push( face ); + + } + + } + + } + + function parseSkin() { + + var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2; + + if ( json.skinWeights ) { + + for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) { + + var x = json.skinWeights[ i ]; + var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0; + var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0; + var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0; + + geometry.skinWeights.push( new Vector4( x, y, z, w ) ); + + } + + } + + if ( json.skinIndices ) { + + for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) { + + var a = json.skinIndices[ i ]; + var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0; + var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0; + var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0; + + geometry.skinIndices.push( new Vector4( a, b, c, d ) ); + + } + + } + + geometry.bones = json.bones; + + if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) { + + console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' + + geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' ); + + } + + } + + function parseMorphing( scale ) { + + if ( json.morphTargets !== undefined ) { + + for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) { + + geometry.morphTargets[ i ] = {}; + geometry.morphTargets[ i ].name = json.morphTargets[ i ].name; + geometry.morphTargets[ i ].vertices = []; + + var dstVertices = geometry.morphTargets[ i ].vertices; + var srcVertices = json.morphTargets[ i ].vertices; + + for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) { + + var vertex = new Vector3(); + vertex.x = srcVertices[ v ] * scale; + vertex.y = srcVertices[ v + 1 ] * scale; + vertex.z = srcVertices[ v + 2 ] * scale; + + dstVertices.push( vertex ); + + } + + } + + } + + if ( json.morphColors !== undefined && json.morphColors.length > 0 ) { + + console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' ); + + var faces = geometry.faces; + var morphColors = json.morphColors[ 0 ].colors; + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + faces[ i ].color.fromArray( morphColors, i * 3 ); + + } + + } + + } + + function parseAnimations() { + + var outputAnimations = []; + + // parse old style Bone/Hierarchy animations + var animations = []; + + if ( json.animation !== undefined ) { + + animations.push( json.animation ); + + } + + if ( json.animations !== undefined ) { + + if ( json.animations.length ) { + + animations = animations.concat( json.animations ); + + } else { + + animations.push( json.animations ); + + } + + } + + for ( var i = 0; i < animations.length; i ++ ) { + + var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones ); + if ( clip ) outputAnimations.push( clip ); + + } + + // parse implicit morph animations + if ( geometry.morphTargets ) { + + // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary. + var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 ); + outputAnimations = outputAnimations.concat( morphAnimationClips ); + + } + + if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations; + + } + + if ( json.materials === undefined || json.materials.length === 0 ) { + + return { geometry: geometry }; + + } else { + + var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin ); + + return { geometry: geometry, materials: materials }; + + } + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function ObjectLoader ( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.texturePath = ''; + + } + + Object.assign( ObjectLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + if ( this.texturePath === '' ) { + + this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 ); + + } + + var scope = this; + + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { + + scope.parse( JSON.parse( text ), onLoad ); + + }, onProgress, onError ); + + }, + + setTexturePath: function ( value ) { + + this.texturePath = value; + + }, + + setCrossOrigin: function ( value ) { + + this.crossOrigin = value; + + }, + + parse: function ( json, onLoad ) { + + var geometries = this.parseGeometries( json.geometries ); + + var images = this.parseImages( json.images, function () { + + if ( onLoad !== undefined ) onLoad( object ); + + } ); + + var textures = this.parseTextures( json.textures, images ); + var materials = this.parseMaterials( json.materials, textures ); + + var object = this.parseObject( json.object, geometries, materials ); + + if ( json.animations ) { + + object.animations = this.parseAnimations( json.animations ); + + } + + if ( json.images === undefined || json.images.length === 0 ) { + + if ( onLoad !== undefined ) onLoad( object ); + + } + + return object; + + }, + + parseGeometries: function ( json ) { + + var geometries = {}; + + if ( json !== undefined ) { + + var geometryLoader = new JSONLoader(); + var bufferGeometryLoader = new BufferGeometryLoader(); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var geometry; + var data = json[ i ]; + + switch ( data.type ) { + + case 'PlaneGeometry': + case 'PlaneBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.widthSegments, + data.heightSegments + ); + + break; + + case 'BoxGeometry': + case 'BoxBufferGeometry': + case 'CubeGeometry': // backwards compatible + + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.depth, + data.widthSegments, + data.heightSegments, + data.depthSegments + ); + + break; + + case 'CircleGeometry': + case 'CircleBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.segments, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'CylinderGeometry': + case 'CylinderBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radiusTop, + data.radiusBottom, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'ConeGeometry': + case 'ConeBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'SphereGeometry': + case 'SphereBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.widthSegments, + data.heightSegments, + data.phiStart, + data.phiLength, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'DodecahedronGeometry': + case 'IcosahedronGeometry': + case 'OctahedronGeometry': + case 'TetrahedronGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.detail + ); + + break; + + case 'RingGeometry': + case 'RingBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.innerRadius, + data.outerRadius, + data.thetaSegments, + data.phiSegments, + data.thetaStart, + data.thetaLength + ); + + break; + + case 'TorusGeometry': + case 'TorusBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.radialSegments, + data.tubularSegments, + data.arc + ); + + break; + + case 'TorusKnotGeometry': + case 'TorusKnotBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.tubularSegments, + data.radialSegments, + data.p, + data.q + ); + + break; + + case 'LatheGeometry': + case 'LatheBufferGeometry': + + geometry = new Geometries[ data.type ]( + data.points, + data.segments, + data.phiStart, + data.phiLength + ); + + break; + + case 'BufferGeometry': + + geometry = bufferGeometryLoader.parse( data ); + + break; + + case 'Geometry': + + geometry = geometryLoader.parse( data.data, this.texturePath ).geometry; + + break; + + default: + + console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); + + continue; + + } + + geometry.uuid = data.uuid; + + if ( data.name !== undefined ) geometry.name = data.name; + + geometries[ data.uuid ] = geometry; + + } + + } + + return geometries; + + }, + + parseMaterials: function ( json, textures ) { + + var materials = {}; + + if ( json !== undefined ) { + + var loader = new MaterialLoader(); + loader.setTextures( textures ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var material = loader.parse( json[ i ] ); + materials[ material.uuid ] = material; + + } + + } + + return materials; + + }, + + parseAnimations: function ( json ) { + + var animations = []; + + for ( var i = 0; i < json.length; i ++ ) { + + var clip = AnimationClip.parse( json[ i ] ); + + animations.push( clip ); + + } + + return animations; + + }, + + parseImages: function ( json, onLoad ) { + + var scope = this; + var images = {}; + + function loadImage( url ) { + + scope.manager.itemStart( url ); + + return loader.load( url, function () { + + scope.manager.itemEnd( url ); + + }, undefined, function () { + + scope.manager.itemError( url ); + + } ); + + } + + if ( json !== undefined && json.length > 0 ) { + + var manager = new LoadingManager( onLoad ); + + var loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var image = json[ i ]; + var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url; + + images[ image.uuid ] = loadImage( path ); + + } + + } + + return images; + + }, + + parseTextures: function ( json, images ) { + + function parseConstant( value, type ) { + + if ( typeof( value ) === 'number' ) return value; + + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + + return type[ value ]; + + } + + var textures = {}; + + if ( json !== undefined ) { + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var data = json[ i ]; + + if ( data.image === undefined ) { + + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + + } + + if ( images[ data.image ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + + } + + var texture = new Texture( images[ data.image ] ); + texture.needsUpdate = true; + + texture.uuid = data.uuid; + + if ( data.name !== undefined ) texture.name = data.name; + + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping ); + + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.wrap !== undefined ) { + + texture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping ); + + } + + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + + if ( data.flipY !== undefined ) texture.flipY = data.flipY; + + textures[ data.uuid ] = texture; + + } + + } + + return textures; + + }, + + parseObject: function () { + + var matrix = new Matrix4(); + + return function parseObject( data, geometries, materials ) { + + var object; + + function getGeometry( name ) { + + if ( geometries[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + + } + + return geometries[ name ]; + + } + + function getMaterial( name ) { + + if ( name === undefined ) return undefined; + + if ( materials[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', name ); + + } + + return materials[ name ]; + + } + + switch ( data.type ) { + + case 'Scene': + + object = new Scene(); + + if ( data.background !== undefined ) { + + if ( Number.isInteger( data.background ) ) { + + object.background = new Color( data.background ); + + } + + } + + if ( data.fog !== undefined ) { + + if ( data.fog.type === 'Fog' ) { + + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + + } else if ( data.fog.type === 'FogExp2' ) { + + object.fog = new FogExp2( data.fog.color, data.fog.density ); + + } + + } + + break; + + case 'PerspectiveCamera': + + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'OrthographicCamera': + + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + + break; + + case 'AmbientLight': + + object = new AmbientLight( data.color, data.intensity ); + + break; + + case 'DirectionalLight': + + object = new DirectionalLight( data.color, data.intensity ); + + break; + + case 'PointLight': + + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + + break; + + case 'SpotLight': + + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + + break; + + case 'HemisphereLight': + + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + + break; + + case 'Mesh': + + var geometry = getGeometry( data.geometry ); + var material = getMaterial( data.material ); + + if ( geometry.bones && geometry.bones.length > 0 ) { + + object = new SkinnedMesh( geometry, material ); + + } else { + + object = new Mesh( geometry, material ); + + } + + break; + + case 'LOD': + + object = new LOD(); + + break; + + case 'Line': + + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); + + break; + + case 'LineSegments': + + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'PointCloud': + case 'Points': + + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'Sprite': + + object = new Sprite( getMaterial( data.material ) ); + + break; + + case 'Group': + + object = new Group(); + + break; + + default: + + object = new Object3D(); + + } + + object.uuid = data.uuid; + + if ( data.name !== undefined ) object.name = data.name; + if ( data.matrix !== undefined ) { + + matrix.fromArray( data.matrix ); + matrix.decompose( object.position, object.quaternion, object.scale ); + + } else { + + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + + } + + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + + if ( data.shadow ) { + + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + + } + + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.userData !== undefined ) object.userData = data.userData; + + if ( data.children !== undefined ) { + + for ( var child in data.children ) { + + object.add( this.parseObject( data.children[ child ], geometries, materials ) ); + + } + + } + + if ( data.type === 'LOD' ) { + + var levels = data.levels; + + for ( var l = 0; l < levels.length; l ++ ) { + + var level = levels[ l ]; + var child = object.getObjectByProperty( 'uuid', level.object ); + + if ( child !== undefined ) { + + object.addLevel( child, level.distance ); + + } + + } + + } + + return object; + + }; + + }() + + } ); + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Extensible curve object + * + * Some common of Curve methods + * .getPoint(t), getTangent(t) + * .getPointAt(u), getTangentAt(u) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following classes subclasses THREE.Curve: + * + * -- 2d classes -- + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.CubicBezierCurve + * THREE.SplineCurve + * THREE.ArcCurve + * THREE.EllipseCurve + * + * -- 3d classes -- + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * THREE.CubicBezierCurve3 + * THREE.SplineCurve3 + * + * A series of curves can be represented as a THREE.CurvePath + * + **/ + + /************************************************************** + * Abstract Curve base class + **************************************************************/ + + function Curve() {} + + Curve.prototype = { + + constructor: Curve, + + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + + getPoint: function ( t ) { + + console.warn( "THREE.Curve: Warning, getPoint() not implemented!" ); + return null; + + }, + + // Get point at relative position in curve according to arc length + // - u [0 .. 1] + + getPointAt: function ( u ) { + + var t = this.getUtoTmapping( u ); + return this.getPoint( t ); + + }, + + // Get sequence of points using getPoint( t ) + + getPoints: function ( divisions ) { + + if ( ! divisions ) divisions = 5; + + var points = []; + + for ( var d = 0; d <= divisions; d ++ ) { + + points.push( this.getPoint( d / divisions ) ); + + } + + return points; + + }, + + // Get sequence of points using getPointAt( u ) + + getSpacedPoints: function ( divisions ) { + + if ( ! divisions ) divisions = 5; + + var points = []; + + for ( var d = 0; d <= divisions; d ++ ) { + + points.push( this.getPointAt( d / divisions ) ); + + } + + return points; + + }, + + // Get total curve arc length + + getLength: function () { + + var lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; + + }, + + // Get list of cumulative segment lengths + + getLengths: function ( divisions ) { + + if ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200; + + if ( this.cacheArcLengths + && ( this.cacheArcLengths.length === divisions + 1 ) + && ! this.needsUpdate ) { + + //console.log( "cached", this.cacheArcLengths ); + return this.cacheArcLengths; + + } + + this.needsUpdate = false; + + var cache = []; + var current, last = this.getPoint( 0 ); + var p, sum = 0; + + cache.push( 0 ); + + for ( p = 1; p <= divisions; p ++ ) { + + current = this.getPoint ( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; + + } + + this.cacheArcLengths = cache; + + return cache; // { sums: cache, sum:sum }; Sum is in the last element. + + }, + + updateArcLengths: function() { + + this.needsUpdate = true; + this.getLengths(); + + }, + + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + + getUtoTmapping: function ( u, distance ) { + + var arcLengths = this.getLengths(); + + var i = 0, il = arcLengths.length; + + var targetArcLength; // The targeted u distance value to get + + if ( distance ) { + + targetArcLength = distance; + + } else { + + targetArcLength = u * arcLengths[ il - 1 ]; + + } + + //var time = Date.now(); + + // binary search for the index with largest value smaller than target u distance + + var low = 0, high = il - 1, comparison; + + while ( low <= high ) { + + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + + comparison = arcLengths[ i ] - targetArcLength; + + if ( comparison < 0 ) { + + low = i + 1; + + } else if ( comparison > 0 ) { + + high = i - 1; + + } else { + + high = i; + break; + + // DONE + + } + + } + + i = high; + + //console.log('b' , i, low, high, Date.now()- time); + + if ( arcLengths[ i ] === targetArcLength ) { + + var t = i / ( il - 1 ); + return t; + + } + + // we could get finer grain at lengths, or use simple interpolation between two points + + var lengthBefore = arcLengths[ i ]; + var lengthAfter = arcLengths[ i + 1 ]; + + var segmentLength = lengthAfter - lengthBefore; + + // determine where we are between the 'before' and 'after' points + + var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + + // add that fractional amount to t + + var t = ( i + segmentFraction ) / ( il - 1 ); + + return t; + + }, + + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + + getTangent: function( t ) { + + var delta = 0.0001; + var t1 = t - delta; + var t2 = t + delta; + + // Capping in case of danger + + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; + + var pt1 = this.getPoint( t1 ); + var pt2 = this.getPoint( t2 ); + + var vec = pt2.clone().sub( pt1 ); + return vec.normalize(); + + }, + + getTangentAt: function ( u ) { + + var t = this.getUtoTmapping( u ); + return this.getTangent( t ); + + }, + + computeFrenetFrames: function ( segments, closed ) { + + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + + var normal = new Vector3(); + + var tangents = []; + var normals = []; + var binormals = []; + + var vec = new Vector3(); + var mat = new Matrix4(); + + var i, u, theta; + + // compute the tangent vectors for each segment on the curve + + for ( i = 0; i <= segments; i ++ ) { + + u = i / segments; + + tangents[ i ] = this.getTangentAt( u ); + tangents[ i ].normalize(); + + } + + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component + + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + var min = Number.MAX_VALUE; + var tx = Math.abs( tangents[ 0 ].x ); + var ty = Math.abs( tangents[ 0 ].y ); + var tz = Math.abs( tangents[ 0 ].z ); + + if ( tx <= min ) { + + min = tx; + normal.set( 1, 0, 0 ); + + } + + if ( ty <= min ) { + + min = ty; + normal.set( 0, 1, 0 ); + + } + + if ( tz <= min ) { + + normal.set( 0, 0, 1 ); + + } + + vec.crossVectors( tangents[ 0 ], normal ).normalize(); + + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + + + // compute the slowly-varying normal and binormal vectors for each segment on the curve + + for ( i = 1; i <= segments; i ++ ) { + + normals[ i ] = normals[ i - 1 ].clone(); + + binormals[ i ] = binormals[ i - 1 ].clone(); + + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + + if ( vec.length() > Number.EPSILON ) { + + vec.normalize(); + + theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + + } + + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + + if ( closed === true ) { + + theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; + + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + + theta = - theta; + + } + + for ( i = 1; i <= segments; i ++ ) { + + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + } + + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; + + } + + }; + + // TODO: Transformation for Curves? + + /************************************************************** + * 3D Curves + **************************************************************/ + + // A Factory method for creating new curve subclasses + + Curve.create = function ( constructor, getPointFunc ) { + + constructor.prototype = Object.create( Curve.prototype ); + constructor.prototype.constructor = constructor; + constructor.prototype.getPoint = getPointFunc; + + return constructor; + + }; + + /************************************************************** + * Line + **************************************************************/ + + function LineCurve( v1, v2 ) { + + this.v1 = v1; + this.v2 = v2; + + } + + LineCurve.prototype = Object.create( Curve.prototype ); + LineCurve.prototype.constructor = LineCurve; + + LineCurve.prototype.isLineCurve = true; + + LineCurve.prototype.getPoint = function ( t ) { + + if ( t === 1 ) { + + return this.v2.clone(); + + } + + var point = this.v2.clone().sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + return point; + + }; + + // Line curve is linear, so we can overwrite default getPointAt + + LineCurve.prototype.getPointAt = function ( u ) { + + return this.getPoint( u ); + + }; + + LineCurve.prototype.getTangent = function( t ) { + + var tangent = this.v2.clone().sub( this.v1 ); + + return tangent.normalize(); + + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + **/ + + /************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ + + function CurvePath() { + + this.curves = []; + + this.autoClose = false; // Automatically closes the path + + } + + CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { + + constructor: CurvePath, + + add: function ( curve ) { + + this.curves.push( curve ); + + }, + + closePath: function () { + + // Add a line curve if start and end of lines are not connected + var startPoint = this.curves[ 0 ].getPoint( 0 ); + var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + + if ( ! startPoint.equals( endPoint ) ) { + + this.curves.push( new LineCurve( endPoint, startPoint ) ); + + } + + }, + + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: + + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') + + getPoint: function ( t ) { + + var d = t * this.getLength(); + var curveLengths = this.getCurveLengths(); + var i = 0; + + // To think about boundaries points. + + while ( i < curveLengths.length ) { + + if ( curveLengths[ i ] >= d ) { + + var diff = curveLengths[ i ] - d; + var curve = this.curves[ i ]; + + var segmentLength = curve.getLength(); + var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + + return curve.getPointAt( u ); + + } + + i ++; + + } + + return null; + + // loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) { + + points.push( points[ 0 ] ); + + } + + return points; + + }, + + /************************************************************** + * Create Geometries Helpers + **************************************************************/ + + /// Generate geometry from path points (for Line or Points objects) + + createPointsGeometry: function ( divisions ) { + + var pts = this.getPoints( divisions ); + return this.createGeometry( pts ); + + }, + + // Generate geometry from equidistant sampling along the path + + createSpacedPointsGeometry: function ( divisions ) { + + var pts = this.getSpacedPoints( divisions ); + return this.createGeometry( pts ); + + }, + + createGeometry: function ( points ) { + + var geometry = new Geometry(); + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + var point = points[ i ]; + geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); + + } + + return geometry; + + } + + } ); + + /************************************************************** + * Ellipse curve + **************************************************************/ + + function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + this.aX = aX; + this.aY = aY; + + this.xRadius = xRadius; + this.yRadius = yRadius; + + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + + this.aClockwise = aClockwise; + + this.aRotation = aRotation || 0; + + } + + EllipseCurve.prototype = Object.create( Curve.prototype ); + EllipseCurve.prototype.constructor = EllipseCurve; + + EllipseCurve.prototype.isEllipseCurve = true; + + EllipseCurve.prototype.getPoint = function( t ) { + + var twoPi = Math.PI * 2; + var deltaAngle = this.aEndAngle - this.aStartAngle; + var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + + if ( deltaAngle < Number.EPSILON ) { + + if ( samePoints ) { + + deltaAngle = 0; + + } else { + + deltaAngle = twoPi; + + } + + } + + if ( this.aClockwise === true && ! samePoints ) { + + if ( deltaAngle === twoPi ) { + + deltaAngle = - twoPi; + + } else { + + deltaAngle = deltaAngle - twoPi; + + } + + } + + var angle = this.aStartAngle + t * deltaAngle; + var x = this.aX + this.xRadius * Math.cos( angle ); + var y = this.aY + this.yRadius * Math.sin( angle ); + + if ( this.aRotation !== 0 ) { + + var cos = Math.cos( this.aRotation ); + var sin = Math.sin( this.aRotation ); + + var tx = x - this.aX; + var ty = y - this.aY; + + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + + } + + return new Vector2( x, y ); + + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + + var CurveUtils = { + + tangentQuadraticBezier: function ( t, p0, p1, p2 ) { + + return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 ); + + }, + + // Puay Bing, thanks for helping with this derivative! + + tangentCubicBezier: function ( t, p0, p1, p2, p3 ) { + + return - 3 * p0 * ( 1 - t ) * ( 1 - t ) + + 3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) + + 6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 + + 3 * t * t * p3; + + }, + + tangentSpline: function ( t, p0, p1, p2, p3 ) { + + // To check if my formulas are correct + + var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1 + var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t + var h01 = - 6 * t * t + 6 * t; // − 2t3 + 3t2 + var h11 = 3 * t * t - 2 * t; // t3 − t2 + + return h00 + h10 + h01 + h11; + + }, + + // Catmull-Rom + + interpolate: function( p0, p1, p2, p3, t ) { + + var v0 = ( p2 - p0 ) * 0.5; + var v1 = ( p3 - p1 ) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + + } + + }; + + /************************************************************** + * Spline curve + **************************************************************/ + + function SplineCurve( points /* array of Vector2 */ ) { + + this.points = ( points === undefined ) ? [] : points; + + } + + SplineCurve.prototype = Object.create( Curve.prototype ); + SplineCurve.prototype.constructor = SplineCurve; + + SplineCurve.prototype.isSplineCurve = true; + + SplineCurve.prototype.getPoint = function ( t ) { + + var points = this.points; + var point = ( points.length - 1 ) * t; + + var intPoint = Math.floor( point ); + var weight = point - intPoint; + + var point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + + var interpolate = CurveUtils.interpolate; + + return new Vector2( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ) + ); + + }; + + /************************************************************** + * Cubic Bezier curve + **************************************************************/ + + function CubicBezierCurve( v0, v1, v2, v3 ) { + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + } + + CubicBezierCurve.prototype = Object.create( Curve.prototype ); + CubicBezierCurve.prototype.constructor = CubicBezierCurve; + + CubicBezierCurve.prototype.getPoint = function ( t ) { + + var b3 = ShapeUtils.b3; + + return new Vector2( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ); + + }; + + CubicBezierCurve.prototype.getTangent = function( t ) { + + var tangentCubicBezier = CurveUtils.tangentCubicBezier; + + return new Vector2( + tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ).normalize(); + + }; + + /************************************************************** + * Quadratic Bezier curve + **************************************************************/ + + + function QuadraticBezierCurve( v0, v1, v2 ) { + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + } + + QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); + QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; + + + QuadraticBezierCurve.prototype.getPoint = function ( t ) { + + var b2 = ShapeUtils.b2; + + return new Vector2( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ) + ); + + }; + + + QuadraticBezierCurve.prototype.getTangent = function( t ) { + + var tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier; + + return new Vector2( + tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ), + tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y ) + ).normalize(); + + }; + + var PathPrototype = Object.assign( Object.create( CurvePath.prototype ), { + + fromPoints: function ( vectors ) { + + this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y ); + + for ( var i = 1, l = vectors.length; i < l; i ++ ) { + + this.lineTo( vectors[ i ].x, vectors[ i ].y ); + + } + + }, + + moveTo: function ( x, y ) { + + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + + }, + + lineTo: function ( x, y ) { + + var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + + this.currentPoint.set( x, y ); + + }, + + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + + var curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + }, + + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + var curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + }, + + splineThru: function ( pts /*Array of Vector*/ ) { + + var npts = [ this.currentPoint.clone() ].concat( pts ); + + var curve = new SplineCurve( npts ); + this.curves.push( curve ); + + this.currentPoint.copy( pts[ pts.length - 1 ] ); + + }, + + arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; + + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); + + }, + + absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + }, + + ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; + + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + }, + + absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + if ( this.curves.length > 0 ) { + + // if a previous curve is present, attempt to join + var firstPoint = curve.getPoint( 0 ); + + if ( ! firstPoint.equals( this.currentPoint ) ) { + + this.lineTo( firstPoint.x, firstPoint.y ); + + } + + } + + this.curves.push( curve ); + + var lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); + + } + + } ); + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Defines a 2d shape plane using paths. + **/ + + // STEP 1 Create a path. + // STEP 2 Turn path into shape. + // STEP 3 ExtrudeGeometry takes in Shape/Shapes + // STEP 3a - Extract points from each shape, turn to vertices + // STEP 3b - Triangulate each shape, add faces. + + function Shape() { + + Path.apply( this, arguments ); + + this.holes = []; + + } + + Shape.prototype = Object.assign( Object.create( PathPrototype ), { + + constructor: Shape, + + getPointsHoles: function ( divisions ) { + + var holesPts = []; + + for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + + } + + return holesPts; + + }, + + // Get points of shape and holes (keypoints based on segments parameter) + + extractAllPoints: function ( divisions ) { + + return { + + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + + }; + + }, + + extractPoints: function ( divisions ) { + + return this.extractAllPoints( divisions ); + + } + + } ); + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Creates free form 2d path using series of points, lines or curves. + * + **/ + + function Path( points ) { + + CurvePath.call( this ); + this.currentPoint = new Vector2(); + + if ( points ) { + + this.fromPoints( points ); + + } + + } + + Path.prototype = PathPrototype; + PathPrototype.constructor = Path; + + + // minimal class for proxing functions to Path. Replaces old "extractSubpaths()" + function ShapePath() { + this.subPaths = []; + this.currentPath = null; + } + + ShapePath.prototype = { + moveTo: function ( x, y ) { + this.currentPath = new Path(); + this.subPaths.push(this.currentPath); + this.currentPath.moveTo( x, y ); + }, + lineTo: function ( x, y ) { + this.currentPath.lineTo( x, y ); + }, + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + }, + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + }, + splineThru: function ( pts ) { + this.currentPath.splineThru( pts ); + }, + + toShapes: function ( isCCW, noHoles ) { + + function toShapesNoHoles( inSubpaths ) { + + var shapes = []; + + for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { + + var tmpPath = inSubpaths[ i ]; + + var tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + + shapes.push( tmpShape ); + + } + + return shapes; + + } + + function isPointInsidePolygon( inPt, inPolygon ) { + + var polyLen = inPolygon.length; + + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + var inside = false; + for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + + var edgeLowPt = inPolygon[ p ]; + var edgeHighPt = inPolygon[ q ]; + + var edgeDx = edgeHighPt.x - edgeLowPt.x; + var edgeDy = edgeHighPt.y - edgeLowPt.y; + + if ( Math.abs( edgeDy ) > Number.EPSILON ) { + + // not parallel + if ( edgeDy < 0 ) { + + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + + } + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + + if ( inPt.y === edgeLowPt.y ) { + + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! + + } else { + + var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt + + } + + } else { + + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; + + } + + } + + return inside; + + } + + var isClockWise = ShapeUtils.isClockWise; + + var subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; + + if ( noHoles === true ) return toShapesNoHoles( subPaths ); + + + var solid, tmpPath, tmpShape, shapes = []; + + if ( subPaths.length === 1 ) { + + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; + + } + + var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; + + // console.log("Holes first", holesFirst); + + var betterShapeHoles = []; + var newShapes = []; + var newShapeHoles = []; + var mainIdx = 0; + var tmpPoints; + + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; + + for ( var i = 0, l = subPaths.length; i < l; i ++ ) { + + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; + + if ( solid ) { + + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; + + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + + //console.log('cw', i); + + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); + + } + + } + + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + + + if ( newShapes.length > 1 ) { + + var ambiguous = false; + var toChange = []; + + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + betterShapeHoles[ sIdx ] = []; + + } + + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + var sho = newShapeHoles[ sIdx ]; + + for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { + + var ho = sho[ hIdx ]; + var hole_unassigned = true; + + for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + + if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); + if ( hole_unassigned ) { + + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); + + } else { + + ambiguous = true; + + } + + } + + } + if ( hole_unassigned ) { + + betterShapeHoles[ sIdx ].push( ho ); + + } + + } + + } + // console.log("ambiguous: ", ambiguous); + if ( toChange.length > 0 ) { + + // console.log("to change: ", toChange); + if ( ! ambiguous ) newShapeHoles = betterShapeHoles; + + } + + } + + var tmpHoles; + + for ( var i = 0, il = newShapes.length; i < il; i ++ ) { + + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; + + for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + + tmpShape.holes.push( tmpHoles[ j ].h ); + + } + + } + + //console.log("shape", shapes); + + return shapes; + + } + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author mrdoob / http://mrdoob.com/ + */ + + function Font( data ) { + + this.data = data; + + } + + Object.assign( Font.prototype, { + + isFont: true, + + generateShapes: function ( text, size, divisions ) { + + function createPaths( text ) { + + var chars = String( text ).split( '' ); + var scale = size / data.resolution; + var offset = 0; + + var paths = []; + + for ( var i = 0; i < chars.length; i ++ ) { + + var ret = createPath( chars[ i ], scale, offset ); + offset += ret.offset; + + paths.push( ret.path ); + + } + + return paths; + + } + + function createPath( c, scale, offset ) { + + var glyph = data.glyphs[ c ] || data.glyphs[ '?' ]; + + if ( ! glyph ) return; + + var path = new ShapePath(); + + var pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3; + var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste; + + if ( glyph.o ) { + + var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); + + for ( var i = 0, l = outline.length; i < l; ) { + + var action = outline[ i ++ ]; + + switch ( action ) { + + case 'm': // moveTo + + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; + + path.moveTo( x, y ); + + break; + + case 'l': // lineTo + + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; + + path.lineTo( x, y ); + + break; + + case 'q': // quadraticCurveTo + + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; + + path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); + + laste = pts[ pts.length - 1 ]; + + if ( laste ) { + + cpx0 = laste.x; + cpy0 = laste.y; + + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + + var t = i2 / divisions; + b2( t, cpx0, cpx1, cpx ); + b2( t, cpy0, cpy1, cpy ); + + } + + } + + break; + + case 'b': // bezierCurveTo + + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; + cpx2 = outline[ i ++ ] * scale + offset; + cpy2 = outline[ i ++ ] * scale; + + path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); + + laste = pts[ pts.length - 1 ]; + + if ( laste ) { + + cpx0 = laste.x; + cpy0 = laste.y; + + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + + var t = i2 / divisions; + b3( t, cpx0, cpx1, cpx2, cpx ); + b3( t, cpy0, cpy1, cpy2, cpy ); + + } + + } + + break; + + } + + } + + } + + return { offset: glyph.ha * scale, path: path }; + + } + + // + + if ( size === undefined ) size = 100; + if ( divisions === undefined ) divisions = 4; + + var data = this.data; + + var paths = createPaths( text ); + var shapes = []; + + for ( var p = 0, pl = paths.length; p < pl; p ++ ) { + + Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); + + } + + return shapes; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function FontLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( FontLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var scope = this; + + var loader = new XHRLoader( this.manager ); + loader.load( url, function ( text ) { + + var json; + + try { + + json = JSON.parse( text ); + + } catch ( e ) { + + console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); + json = JSON.parse( text.substring( 65, text.length - 2 ) ); + + } + + var font = scope.parse( json ); + + if ( onLoad ) onLoad( font ); + + }, onProgress, onError ); + + }, + + parse: function ( json ) { + + return new Font( json ); + + } + + } ); + + var context; + + function getAudioContext() { + + if ( context === undefined ) { + + context = new ( window.AudioContext || window.webkitAudioContext )(); + + } + + return context; + + } + + /** + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ + + function AudioLoader( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + } + + Object.assign( AudioLoader.prototype, { + + load: function ( url, onLoad, onProgress, onError ) { + + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.load( url, function ( buffer ) { + + var context = getAudioContext(); + + context.decodeAudioData( buffer, function ( audioBuffer ) { + + onLoad( audioBuffer ); + + } ); + + }, onProgress, onError ); + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function StereoCamera() { + + this.type = 'StereoCamera'; + + this.aspect = 1; + + this.eyeSep = 0.064; + + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; + + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; + + } + + Object.assign( StereoCamera.prototype, { + + update: ( function () { + + var instance, focus, fov, aspect, near, far, zoom; + + var eyeRight = new Matrix4(); + var eyeLeft = new Matrix4(); + + return function update( camera ) { + + var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov || + aspect !== camera.aspect * this.aspect || near !== camera.near || + far !== camera.far || zoom !== camera.zoom; + + if ( needsUpdate ) { + + instance = this; + focus = camera.focus; + fov = camera.fov; + aspect = camera.aspect * this.aspect; + near = camera.near; + far = camera.far; + zoom = camera.zoom; + + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ + + var projectionMatrix = camera.projectionMatrix.clone(); + var eyeSep = this.eyeSep / 2; + var eyeSepOnProjection = eyeSep * near / focus; + var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom; + var xmin, xmax; + + // translate xOffset + + eyeLeft.elements[ 12 ] = - eyeSep; + eyeRight.elements[ 12 ] = eyeSep; + + // for left eye + + xmin = - ymax * aspect + eyeSepOnProjection; + xmax = ymax * aspect + eyeSepOnProjection; + + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraL.projectionMatrix.copy( projectionMatrix ); + + // for right eye + + xmin = - ymax * aspect - eyeSepOnProjection; + xmax = ymax * aspect - eyeSepOnProjection; + + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraR.projectionMatrix.copy( projectionMatrix ); + + } + + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight ); + + }; + + } )() + + } ); + + /** + * Camera for rendering cube maps + * - renders scene into axis-aligned cube + * + * @author alteredq / http://alteredqualia.com/ + */ + + function CubeCamera( near, far, cubeResolution ) { + + Object3D.call( this ); + + this.type = 'CubeCamera'; + + var fov = 90, aspect = 1; + + var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); + this.add( cameraPX ); + + var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); + this.add( cameraNX ); + + var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); + this.add( cameraPY ); + + var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); + this.add( cameraNY ); + + var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); + this.add( cameraPZ ); + + var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); + this.add( cameraNZ ); + + var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; + + this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); + + this.updateCubeMap = function ( renderer, scene ) { + + if ( this.parent === null ) this.updateMatrixWorld(); + + var renderTarget = this.renderTarget; + var generateMipmaps = renderTarget.texture.generateMipmaps; + + renderTarget.texture.generateMipmaps = false; + + renderTarget.activeCubeFace = 0; + renderer.render( scene, cameraPX, renderTarget ); + + renderTarget.activeCubeFace = 1; + renderer.render( scene, cameraNX, renderTarget ); + + renderTarget.activeCubeFace = 2; + renderer.render( scene, cameraPY, renderTarget ); + + renderTarget.activeCubeFace = 3; + renderer.render( scene, cameraNY, renderTarget ); + + renderTarget.activeCubeFace = 4; + renderer.render( scene, cameraPZ, renderTarget ); + + renderTarget.texture.generateMipmaps = generateMipmaps; + + renderTarget.activeCubeFace = 5; + renderer.render( scene, cameraNZ, renderTarget ); + + renderer.setRenderTarget( null ); + + }; + + } + + CubeCamera.prototype = Object.create( Object3D.prototype ); + CubeCamera.prototype.constructor = CubeCamera; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function AudioListener() { + + Object3D.call( this ); + + this.type = 'AudioListener'; + + this.context = getAudioContext(); + + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); + + this.filter = null; + + } + + AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: AudioListener, + + getInput: function () { + + return this.gain; + + }, + + removeFilter: function ( ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; + + } + + }, + + getFilter: function () { + + return this.filter; + + }, + + setFilter: function ( value ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + + } else { + + this.gain.disconnect( this.context.destination ); + + } + + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); + + }, + + getMasterVolume: function () { + + return this.gain.gain.value; + + }, + + setMasterVolume: function ( value ) { + + this.gain.gain.value = value; + + }, + + updateMatrixWorld: ( function () { + + var position = new Vector3(); + var quaternion = new Quaternion(); + var scale = new Vector3(); + + var orientation = new Vector3(); + + return function updateMatrixWorld( force ) { + + Object3D.prototype.updateMatrixWorld.call( this, force ); + + var listener = this.context.listener; + var up = this.up; + + this.matrixWorld.decompose( position, quaternion, scale ); + + orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + + listener.setPosition( position.x, position.y, position.z ); + listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z ); + + }; + + } )() + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ + + function Audio( listener ) { + + Object3D.call( this ); + + this.type = 'Audio'; + + this.context = listener.context; + this.source = this.context.createBufferSource(); + this.source.onended = this.onEnded.bind( this ); + + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); + + this.autoplay = false; + + this.startTime = 0; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.sourceType = 'empty'; + + this.filters = []; + + } + + Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { + + constructor: Audio, + + getOutput: function () { + + return this.gain; + + }, + + setNodeSource: function ( audioNode ) { + + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); + + return this; + + }, + + setBuffer: function ( audioBuffer ) { + + this.source.buffer = audioBuffer; + this.sourceType = 'buffer'; + + if ( this.autoplay ) this.play(); + + return this; + + }, + + play: function () { + + if ( this.isPlaying === true ) { + + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; + + } + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + var source = this.context.createBufferSource(); + + source.buffer = this.source.buffer; + source.loop = this.source.loop; + source.onended = this.source.onended; + source.start( 0, this.startTime ); + source.playbackRate.value = this.playbackRate; + + this.isPlaying = true; + + this.source = source; + + return this.connect(); + + }, + + pause: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.source.stop(); + this.startTime = this.context.currentTime; + this.isPlaying = false; + + return this; + + }, + + stop: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.source.stop(); + this.startTime = 0; + this.isPlaying = false; + + return this; + + }, + + connect: function () { + + if ( this.filters.length > 0 ) { + + this.source.connect( this.filters[ 0 ] ); + + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].connect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + + } else { + + this.source.connect( this.getOutput() ); + + } + + return this; + + }, + + disconnect: function () { + + if ( this.filters.length > 0 ) { + + this.source.disconnect( this.filters[ 0 ] ); + + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + + } else { + + this.source.disconnect( this.getOutput() ); + + } + + return this; + + }, + + getFilters: function () { + + return this.filters; + + }, + + setFilters: function ( value ) { + + if ( ! value ) value = []; + + if ( this.isPlaying === true ) { + + this.disconnect(); + this.filters = value; + this.connect(); + + } else { + + this.filters = value; + + } + + return this; + + }, + + getFilter: function () { + + return this.getFilters()[ 0 ]; + + }, + + setFilter: function ( filter ) { + + return this.setFilters( filter ? [ filter ] : [] ); + + }, + + setPlaybackRate: function ( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.playbackRate = value; + + if ( this.isPlaying === true ) { + + this.source.playbackRate.value = this.playbackRate; + + } + + return this; + + }, + + getPlaybackRate: function () { + + return this.playbackRate; + + }, + + onEnded: function () { + + this.isPlaying = false; + + }, + + getLoop: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; + + } + + return this.source.loop; + + }, + + setLoop: function ( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.source.loop = value; + + }, + + getVolume: function () { + + return this.gain.gain.value; + + }, + + + setVolume: function ( value ) { + + this.gain.gain.value = value; + + return this; + + } + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function PositionalAudio( listener ) { + + Audio.call( this, listener ); + + this.panner = this.context.createPanner(); + this.panner.connect( this.gain ); + + } + + PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { + + constructor: PositionalAudio, + + getOutput: function () { + + return this.panner; + + }, + + getRefDistance: function () { + + return this.panner.refDistance; + + }, + + setRefDistance: function ( value ) { + + this.panner.refDistance = value; + + }, + + getRolloffFactor: function () { + + return this.panner.rolloffFactor; + + }, + + setRolloffFactor: function ( value ) { + + this.panner.rolloffFactor = value; + + }, + + getDistanceModel: function () { + + return this.panner.distanceModel; + + }, + + setDistanceModel: function ( value ) { + + this.panner.distanceModel = value; + + }, + + getMaxDistance: function () { + + return this.panner.maxDistance; + + }, + + setMaxDistance: function ( value ) { + + this.panner.maxDistance = value; + + }, + + updateMatrixWorld: ( function () { + + var position = new Vector3(); + + return function updateMatrixWorld( force ) { + + Object3D.prototype.updateMatrixWorld.call( this, force ); + + position.setFromMatrixPosition( this.matrixWorld ); + + this.panner.setPosition( position.x, position.y, position.z ); + + }; + + } )() + + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function AudioAnalyser( audio, fftSize ) { + + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; + + this.data = new Uint8Array( this.analyser.frequencyBinCount ); + + audio.getOutput().connect( this.analyser ); + + } + + Object.assign( AudioAnalyser.prototype, { + + getFrequencyData: function () { + + this.analyser.getByteFrequencyData( this.data ); + + return this.data; + + }, + + getAverageFrequency: function () { + + var value = 0, data = this.getFrequencyData(); + + for ( var i = 0; i < data.length; i ++ ) { + + value += data[ i ]; + + } + + return value / data.length; + + } + + } ); + + /** + * + * Buffered scene graph property that allows weighted accumulation. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function PropertyMixer( binding, typeName, valueSize ) { + + this.binding = binding; + this.valueSize = valueSize; + + var bufferType = Float64Array, + mixFunction; + + switch ( typeName ) { + + case 'quaternion': mixFunction = this._slerp; break; + + case 'string': + case 'bool': + + bufferType = Array, mixFunction = this._select; break; + + default: mixFunction = this._lerp; + + } + + this.buffer = new bufferType( valueSize * 4 ); + // layout: [ incoming | accu0 | accu1 | orig ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property + + this._mixBufferRegion = mixFunction; + + this.cumulativeWeight = 0; + + this.useCount = 0; + this.referenceCount = 0; + + } + + PropertyMixer.prototype = { + + constructor: PropertyMixer, + + // accumulate data in the 'incoming' region into 'accu' + accumulate: function( accuIndex, weight ) { + + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place + + var buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride, + + currentWeight = this.cumulativeWeight; + + if ( currentWeight === 0 ) { + + // accuN := incoming * weight + + for ( var i = 0; i !== stride; ++ i ) { + + buffer[ offset + i ] = buffer[ i ]; + + } + + currentWeight = weight; + + } else { + + // accuN := accuN + incoming * weight + + currentWeight += weight; + var mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); + + } + + this.cumulativeWeight = currentWeight; + + }, + + // apply the state of 'accu' to the binding when accus differ + apply: function( accuIndex ) { + + var stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, + + weight = this.cumulativeWeight, + + binding = this.binding; + + this.cumulativeWeight = 0; + + if ( weight < 1 ) { + + // accuN := accuN + original * ( 1 - cumulativeWeight ) + + var originalValueOffset = stride * 3; + + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); + + } + + for ( var i = stride, e = stride + stride; i !== e; ++ i ) { + + if ( buffer[ i ] !== buffer[ i + stride ] ) { + + // value has changed -> update scene graph + + binding.setValue( buffer, offset ); + break; + + } + + } + + }, + + // remember the state of the bound property and copy it to both accus + saveOriginalState: function() { + + var binding = this.binding; + + var buffer = this.buffer, + stride = this.valueSize, + + originalValueOffset = stride * 3; + + binding.getValue( buffer, originalValueOffset ); + + // accu[0..1] := orig -- initially detect changes against the original + for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { + + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + + } + + this.cumulativeWeight = 0; + + }, + + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState: function() { + + var originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); + + }, + + + // mix functions + + _select: function( buffer, dstOffset, srcOffset, t, stride ) { + + if ( t >= 0.5 ) { + + for ( var i = 0; i !== stride; ++ i ) { + + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + + } + + } + + }, + + _slerp: function( buffer, dstOffset, srcOffset, t, stride ) { + + Quaternion.slerpFlat( buffer, dstOffset, + buffer, dstOffset, buffer, srcOffset, t ); + + }, + + _lerp: function( buffer, dstOffset, srcOffset, t, stride ) { + + var s = 1 - t; + + for ( var i = 0; i !== stride; ++ i ) { + + var j = dstOffset + i; + + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + + } + + } + + }; + + /** + * + * A reference to a real property in the scene graph. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function PropertyBinding( rootNode, path, parsedPath ) { + + this.path = path; + this.parsedPath = parsedPath || + PropertyBinding.parseTrackName( path ); + + this.node = PropertyBinding.findNode( + rootNode, this.parsedPath.nodeName ) || rootNode; + + this.rootNode = rootNode; + + } + + PropertyBinding.prototype = { + + constructor: PropertyBinding, + + getValue: function getValue_unbound( targetArray, offset ) { + + this.bind(); + this.getValue( targetArray, offset ); + + // Note: This class uses a State pattern on a per-method basis: + // 'bind' sets 'this.getValue' / 'setValue' and shadows the + // prototype version of these methods with one that represents + // the bound state. When the property is not found, the methods + // become no-ops. + + }, + + setValue: function getValue_unbound( sourceArray, offset ) { + + this.bind(); + this.setValue( sourceArray, offset ); + + }, + + // create getter / setter pair for a property in the scene graph + bind: function() { + + var targetObject = this.node, + parsedPath = this.parsedPath, + + objectName = parsedPath.objectName, + propertyName = parsedPath.propertyName, + propertyIndex = parsedPath.propertyIndex; + + if ( ! targetObject ) { + + targetObject = PropertyBinding.findNode( + this.rootNode, parsedPath.nodeName ) || this.rootNode; + + this.node = targetObject; + + } + + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + + // ensure there is a value node + if ( ! targetObject ) { + + console.error( " trying to update node for track: " + this.path + " but it wasn't found." ); + return; + + } + + if ( objectName ) { + + var objectIndex = parsedPath.objectIndex; + + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { + + case 'materials': + + if ( ! targetObject.material ) { + + console.error( ' can not bind to material as node does not have a material', this ); + return; + + } + + if ( ! targetObject.material.materials ) { + + console.error( ' can not bind to material.materials as node.material does not have a materials array', this ); + return; + + } + + targetObject = targetObject.material.materials; + + break; + + case 'bones': + + if ( ! targetObject.skeleton ) { + + console.error( ' can not bind to bones as node does not have a skeleton', this ); + return; + + } + + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. + + targetObject = targetObject.skeleton.bones; + + // support resolving morphTarget names into indices. + for ( var i = 0; i < targetObject.length; i ++ ) { + + if ( targetObject[ i ].name === objectIndex ) { + + objectIndex = i; + break; + + } + + } + + break; + + default: + + if ( targetObject[ objectName ] === undefined ) { + + console.error( ' can not bind to objectName of node, undefined', this ); + return; + + } + + targetObject = targetObject[ objectName ]; + + } + + + if ( objectIndex !== undefined ) { + + if ( targetObject[ objectIndex ] === undefined ) { + + console.error( " trying to bind to objectIndex of objectName, but is undefined:", this, targetObject ); + return; + + } + + targetObject = targetObject[ objectIndex ]; + + } + + } + + // resolve property + var nodeProperty = targetObject[ propertyName ]; + + if ( nodeProperty === undefined ) { + + var nodeName = parsedPath.nodeName; + + console.error( " trying to update property for track: " + nodeName + + '.' + propertyName + " but it wasn't found.", targetObject ); + return; + + } + + // determine versioning scheme + var versioning = this.Versioning.None; + + if ( targetObject.needsUpdate !== undefined ) { // material + + versioning = this.Versioning.NeedsUpdate; + this.targetObject = targetObject; + + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + + versioning = this.Versioning.MatrixWorldNeedsUpdate; + this.targetObject = targetObject; + + } + + // determine how the property gets bound + var bindingType = this.BindingType.Direct; + + if ( propertyIndex !== undefined ) { + // access a sub element of the property array (only primitives are supported right now) + + if ( propertyName === "morphTargetInfluences" ) { + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { + + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this ); + return; + + } + + if ( ! targetObject.geometry.morphTargets ) { + + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this ); + return; + + } + + for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { + + if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { + + propertyIndex = i; + break; + + } + + } + + } + + bindingType = this.BindingType.ArrayElement; + + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + // must use copy for Object3D.Euler/Quaternion + + bindingType = this.BindingType.HasFromToArray; + + this.resolvedProperty = nodeProperty; + + } else if ( nodeProperty.length !== undefined ) { + + bindingType = this.BindingType.EntireArray; + + this.resolvedProperty = nodeProperty; + + } else { + + this.propertyName = propertyName; + + } + + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + + }, + + unbind: function() { + + this.node = null; + + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + + }; + + Object.assign( PropertyBinding.prototype, { // prototype, continued + + // these are used to "bind" a nonexistent property + _getValue_unavailable: function() {}, + _setValue_unavailable: function() {}, + + // initial state of these methods that calls 'bind' + _getValue_unbound: PropertyBinding.prototype.getValue, + _setValue_unbound: PropertyBinding.prototype.setValue, + + BindingType: { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 + }, + + Versioning: { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 + }, + + GetterByBindingType: [ + + function getValue_direct( buffer, offset ) { + + buffer[ offset ] = this.node[ this.propertyName ]; + + }, + + function getValue_array( buffer, offset ) { + + var source = this.resolvedProperty; + + for ( var i = 0, n = source.length; i !== n; ++ i ) { + + buffer[ offset ++ ] = source[ i ]; + + } + + }, + + function getValue_arrayElement( buffer, offset ) { + + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + + }, + + function getValue_toArray( buffer, offset ) { + + this.resolvedProperty.toArray( buffer, offset ); + + } + + ], + + SetterByBindingTypeAndVersioning: [ + + [ + // Direct + + function setValue_direct( buffer, offset ) { + + this.node[ this.propertyName ] = buffer[ offset ]; + + }, + + function setValue_direct_setNeedsUpdate( buffer, offset ) { + + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + }, + + function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // EntireArray + + function setValue_array( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + }, + + function setValue_array_setNeedsUpdate( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.needsUpdate = true; + + }, + + function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + + var dest = this.resolvedProperty; + + for ( var i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // ArrayElement + + function setValue_arrayElement( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + + }, + + function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + }, + + function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ], [ + + // HasToFromArray + + function setValue_fromArray( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + + }, + + function setValue_fromArray_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; + + }, + + function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + ] + + ] + + } ); + + PropertyBinding.Composite = + function( targetGroup, path, optionalParsedPath ) { + + var parsedPath = optionalParsedPath || + PropertyBinding.parseTrackName( path ); + + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); + + }; + + PropertyBinding.Composite.prototype = { + + constructor: PropertyBinding.Composite, + + getValue: function( array, offset ) { + + this.bind(); // bind all binding + + var firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; + + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); + + }, + + setValue: function( array, offset ) { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].setValue( array, offset ); + + } + + }, + + bind: function() { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].bind(); + + } + + }, + + unbind: function() { + + var bindings = this._bindings; + + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].unbind(); + + } + + } + + }; + + PropertyBinding.create = function( root, path, parsedPath ) { + + if ( ! ( (root && root.isAnimationObjectGroup) ) ) { + + return new PropertyBinding( root, path, parsedPath ); + + } else { + + return new PropertyBinding.Composite( root, path, parsedPath ); + + } + + }; + + PropertyBinding.parseTrackName = function( trackName ) { + + // matches strings in the form of: + // nodeName.property + // nodeName.property[accessor] + // nodeName.material.property[accessor] + // uuid.property[accessor] + // uuid.objectName[objectIndex].propertyName[propertyIndex] + // parentName/nodeName.property + // parentName/parentName/nodeName.property[index] + // .bone[Armature.DEF_cog].position + // scene:helium_balloon_model:helium_balloon_model.position + // created and tested via https://regex101.com/#javascript + + var re = /^((?:\w+[\/:])*)(\w+)?(?:\.(\w+)(?:\[(.+)\])?)?\.(\w+)(?:\[(.+)\])?$/; + var matches = re.exec( trackName ); + + if ( ! matches ) { + + throw new Error( "cannot parse trackName at all: " + trackName ); + + } + + var results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], // allowed to be null, specified root node. + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], + propertyIndex: matches[ 6 ] // allowed to be null, specifies that the whole property is set. + }; + + if ( results.propertyName === null || results.propertyName.length === 0 ) { + + throw new Error( "can not parse propertyName from trackName: " + trackName ); + + } + + return results; + + }; + + PropertyBinding.findNode = function( root, nodeName ) { + + if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { + + return root; + + } + + // search into skeleton bones. + if ( root.skeleton ) { + + var searchSkeleton = function( skeleton ) { + + for( var i = 0; i < skeleton.bones.length; i ++ ) { + + var bone = skeleton.bones[ i ]; + + if ( bone.name === nodeName ) { + + return bone; + + } + } + + return null; + + }; + + var bone = searchSkeleton( root.skeleton ); + + if ( bone ) { + + return bone; + + } + } + + // search into node subtree. + if ( root.children ) { + + var searchNodeSubtree = function( children ) { + + for( var i = 0; i < children.length; i ++ ) { + + var childNode = children[ i ]; + + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + + return childNode; + + } + + var result = searchNodeSubtree( childNode.children ); + + if ( result ) return result; + + } + + return null; + + }; + + var subTreeNode = searchNodeSubtree( root.children ); + + if ( subTreeNode ) { + + return subTreeNode; + + } + + } + + return null; + + }; + + /** + * + * A group of objects that receives a shared animation state. + * + * Usage: + * + * - Add objects you would otherwise pass as 'root' to the + * constructor or the .clipAction method of AnimationMixer. + * + * - Instead pass this object as 'root'. + * + * - You can also add and remove objects later when the mixer + * is running. + * + * Note: + * + * Objects of this class appear as one object to the mixer, + * so cache control of the individual objects must be done + * on the group. + * + * Limitation: + * + * - The animated properties must be compatible among the + * all objects in the group. + * + * - A single property can either be controlled through a + * target group or directly, but not both. + * + * @author tschw + */ + + function AnimationObjectGroup( var_args ) { + + this.uuid = _Math.generateUUID(); + + // cached objects followed by the active ones + this._objects = Array.prototype.slice.call( arguments ); + + this.nCachedObjects_ = 0; // threshold + // note: read by PropertyBinding.Composite + + var indices = {}; + this._indicesByUUID = indices; // for bookkeeping + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + indices[ arguments[ i ].uuid ] = i; + + } + + this._paths = []; // inside: string + this._parsedPaths = []; // inside: { we don't care, here } + this._bindings = []; // inside: Array< PropertyBinding > + this._bindingsIndicesByPath = {}; // inside: indices in these arrays + + var scope = this; + + this.stats = { + + objects: { + get total() { return scope._objects.length; }, + get inUse() { return this.total - scope.nCachedObjects_; } + }, + + get bindingsPerObject() { return scope._bindings.length; } + + }; + + } + + AnimationObjectGroup.prototype = { + + constructor: AnimationObjectGroup, + + isAnimationObjectGroup: true, + + add: function( var_args ) { + + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index === undefined ) { + + // unknown object -> add it to the ACTIVE region + + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + bindings[ j ].push( + new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ) ); + + } + + } else if ( index < nCachedObjects ) { + + var knownObject = objects[ index ]; + + // move existing object to the ACTIVE region + + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; + + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = lastCached; + + if ( binding === undefined ) { + + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist + + binding = new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ); + + } + + bindingsForPath[ firstActiveIndex ] = binding; + + } + + } else if ( objects[ index ] !== knownObject) { + + console.error( "Different objects with the same UUID " + + "detected. Clean the caches or recreate your " + + "infrastructure when reloading scenes..." ); + + } // else the object is already where we want it to be + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + remove: function( var_args ) { + + var objects = this._objects, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined && index >= nCachedObjects ) { + + // move existing object into the CACHED region + + var lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; + + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; + + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; + + } + + } + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + // remove & forget + uncache: function( var_args ) { + + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined ) { + + delete indicesByUUID[ uuid ]; + + if ( index < nCachedObjects ) { + + // object is cached, shrink the CACHED region + + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; + + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); + + } + + } else { + + // object is active, just swap with the last and pop + + var lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + indicesByUUID[ lastObject.uuid ] = index; + objects[ index ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( var j = 0, m = nBindings; j !== m; ++ j ) { + + var bindingsForPath = bindings[ j ]; + + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); + + } + + } // cached or active + + } // if object is known + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + }, + + // Internal interface used by befriended PropertyBinding.Composite: + + subscribe_: function( path, parsedPath ) { + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group + + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ], + bindings = this._bindings; + + if ( index !== undefined ) return bindings[ index ]; + + var paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); + + index = bindings.length; + + indicesByPath[ path ] = index; + + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); + + for ( var i = nCachedObjects, + n = objects.length; i !== n; ++ i ) { + + var object = objects[ i ]; + + bindingsForPath[ i ] = + new PropertyBinding( object, path, parsedPath ); + + } + + return bindingsForPath; + + }, + + unsubscribe_: function( path ) { + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' + + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; + + if ( index !== undefined ) { + + var paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; + + indicesByPath[ lastBindingsPath ] = index; + + bindings[ index ] = lastBindings; + bindings.pop(); + + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); + + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); + + } + + } + + }; + + /** + * + * Action provided by AnimationMixer for scheduling clip playback on specific + * objects. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + * + */ + + function AnimationAction( mixer, clip, localRoot ) { + + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot || null; + + var tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); + + var interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + + for ( var i = 0; i !== nTracks; ++ i ) { + + var interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; + + } + + this._interpolantSettings = interpolantSettings; + + this._interpolants = interpolants; // bound by the mixer + + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); + + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager + + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + + this.loop = LoopRepeat; + this._loopCount = -1; + + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; + + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; + + this.timeScale = 1; + this._effectiveTimeScale = 1; + + this.weight = 1; + this._effectiveWeight = 1; + + this.repetitions = Infinity; // no. of repetitions when looping + + this.paused = false; // false -> zero effective time scale + this.enabled = true; // true -> zero effective weight + + this.clampWhenFinished = false; // keep feeding the last frame? + + this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true; // clips for start, loop and end + + } + + AnimationAction.prototype = { + + constructor: AnimationAction, + + // State & Scheduling + + play: function() { + + this._mixer._activateAction( this ); + + return this; + + }, + + stop: function() { + + this._mixer._deactivateAction( this ); + + return this.reset(); + + }, + + reset: function() { + + this.paused = false; + this.enabled = true; + + this.time = 0; // restart clip + this._loopCount = -1; // forget previous loops + this._startTime = null; // forget scheduling + + return this.stopFading().stopWarping(); + + }, + + isRunning: function() { + + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); + + }, + + // return true when play has been called + isScheduled: function() { + + return this._mixer._isActiveAction( this ); + + }, + + startAt: function( time ) { + + this._startTime = time; + + return this; + + }, + + setLoop: function( mode, repetitions ) { + + this.loop = mode; + this.repetitions = repetitions; + + return this; + + }, + + // Weight + + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight: function( weight ) { + + this.weight = weight; + + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; + + return this.stopFading(); + + }, + + // return the weight considering fading and .enabled + getEffectiveWeight: function() { + + return this._effectiveWeight; + + }, + + fadeIn: function( duration ) { + + return this._scheduleFading( duration, 0, 1 ); + + }, + + fadeOut: function( duration ) { + + return this._scheduleFading( duration, 1, 0 ); + + }, + + crossFadeFrom: function( fadeOutAction, duration, warp ) { + + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); + + if( warp ) { + + var fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, + + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; + + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); + + } + + return this; + + }, + + crossFadeTo: function( fadeInAction, duration, warp ) { + + return fadeInAction.crossFadeFrom( this, duration, warp ); + + }, + + stopFading: function() { + + var weightInterpolant = this._weightInterpolant; + + if ( weightInterpolant !== null ) { + + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); + + } + + return this; + + }, + + // Time Scale Control + + // set the weight stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale: function( timeScale ) { + + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 :timeScale; + + return this.stopWarping(); + + }, + + // return the time scale considering warping and .paused + getEffectiveTimeScale: function() { + + return this._effectiveTimeScale; + + }, + + setDuration: function( duration ) { + + this.timeScale = this._clip.duration / duration; + + return this.stopWarping(); + + }, + + syncWith: function( action ) { + + this.time = action.time; + this.timeScale = action.timeScale; + + return this.stopWarping(); + + }, + + halt: function( duration ) { + + return this.warp( this._effectiveTimeScale, 0, duration ); + + }, + + warp: function( startTimeScale, endTimeScale, duration ) { + + var mixer = this._mixer, now = mixer.time, + interpolant = this._timeScaleInterpolant, + + timeScale = this.timeScale; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(), + this._timeScaleInterpolant = interpolant; + + } + + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + times[ 1 ] = now + duration; + + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; + + return this; + + }, + + stopWarping: function() { + + var timeScaleInterpolant = this._timeScaleInterpolant; + + if ( timeScaleInterpolant !== null ) { + + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + + } + + return this; + + }, + + // Object Accessors + + getMixer: function() { + + return this._mixer; + + }, + + getClip: function() { + + return this._clip; + + }, + + getRoot: function() { + + return this._localRoot || this._mixer._root; + + }, + + // Interna + + _update: function( time, deltaTime, timeDirection, accuIndex ) { + // called by the mixer + + var startTime = this._startTime; + + if ( startTime !== null ) { + + // check for scheduled start of action + + var timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { + + return; // yet to come / don't decide when delta = 0 + + } + + // start + + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; + + } + + // apply time scale and advance time + + deltaTime *= this._updateTimeScale( time ); + var clipTime = this._updateTime( deltaTime ); + + // note: _updateTime may disable the action resulting in + // an effective weight of 0 + + var weight = this._updateWeight( time ); + + if ( weight > 0 ) { + + var interpolants = this._interpolants; + var propertyMixers = this._propertyBindings; + + for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); + + } + + } + + }, + + _updateWeight: function( time ) { + + var weight = 0; + + if ( this.enabled ) { + + weight = this.weight; + var interpolant = this._weightInterpolant; + + if ( interpolant !== null ) { + + var interpolantValue = interpolant.evaluate( time )[ 0 ]; + + weight *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopFading(); + + if ( interpolantValue === 0 ) { + + // faded out, disable + this.enabled = false; + + } + + } + + } + + } + + this._effectiveWeight = weight; + return weight; + + }, + + _updateTimeScale: function( time ) { + + var timeScale = 0; + + if ( ! this.paused ) { + + timeScale = this.timeScale; + + var interpolant = this._timeScaleInterpolant; + + if ( interpolant !== null ) { + + var interpolantValue = interpolant.evaluate( time )[ 0 ]; + + timeScale *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopWarping(); + + if ( timeScale === 0 ) { + + // motion has halted, pause + this.paused = true; + + } else { + + // warp done - apply final time scale + this.timeScale = timeScale; + + } + + } + + } + + } + + this._effectiveTimeScale = timeScale; + return timeScale; + + }, + + _updateTime: function( deltaTime ) { + + var time = this.time + deltaTime; + + if ( deltaTime === 0 ) return time; + + var duration = this._clip.duration, + + loop = this.loop, + loopCount = this._loopCount; + + if ( loop === LoopOnce ) { + + if ( loopCount === -1 ) { + // just started + + this.loopCount = 0; + this._setEndings( true, true, false ); + + } + + handle_stop: { + + if ( time >= duration ) { + + time = duration; + + } else if ( time < 0 ) { + + time = 0; + + } else break handle_stop; + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? -1 : 1 + } ); + + } + + } else { // repetitive Repeat or PingPong + + var pingPong = ( loop === LoopPingPong ); + + if ( loopCount === -1 ) { + // just started + + if ( deltaTime >= 0 ) { + + loopCount = 0; + + this._setEndings( + true, this.repetitions === 0, pingPong ); + + } else { + + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 + + this._setEndings( + this.repetitions === 0, true, pingPong ); + + } + + } + + if ( time >= duration || time < 0 ) { + // wrap around + + var loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; + + loopCount += Math.abs( loopDelta ); + + var pending = this.repetitions - loopCount; + + if ( pending < 0 ) { + // have to stop (switch state, clamp time, fire event) + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + time = deltaTime > 0 ? duration : 0; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : -1 + } ); + + } else { + // keep running + + if ( pending === 0 ) { + // entering the last round + + var atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); + + } else { + + this._setEndings( false, false, pingPong ); + + } + + this._loopCount = loopCount; + + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); + + } + + } + + if ( pingPong && ( loopCount & 1 ) === 1 ) { + // invert time for the "pong round" + + this.time = time; + return duration - time; + + } + + } + + this.time = time; + return time; + + }, + + _setEndings: function( atStart, atEnd, pingPong ) { + + var settings = this._interpolantSettings; + + if ( pingPong ) { + + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + + } else { + + // assuming for LoopOnce atStart == atEnd == true + + if ( atStart ) { + + settings.endingStart = this.zeroSlopeAtStart ? + ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingStart = WrapAroundEnding; + + } + + if ( atEnd ) { + + settings.endingEnd = this.zeroSlopeAtEnd ? + ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingEnd = WrapAroundEnding; + + } + + } + + }, + + _scheduleFading: function( duration, weightNow, weightThen ) { + + var mixer = this._mixer, now = mixer.time, + interpolant = this._weightInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(), + this._weightInterpolant = interpolant; + + } + + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; values[ 0 ] = weightNow; + times[ 1 ] = now + duration; values[ 1 ] = weightThen; + + return this; + + } + + }; + + /** + * + * Player for AnimationClips. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ + + function AnimationMixer( root ) { + + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + + this.time = 0; + + this.timeScale = 1.0; + + } + + Object.assign( AnimationMixer.prototype, EventDispatcher.prototype, { + + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction: function( clip, optionalRoot ) { + + var root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject !== null ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ], + prototypeAction = null; + + if ( actionsForClip !== undefined ) { + + var existingAction = + actionsForClip.actionByRoot[ rootUuid ]; + + if ( existingAction !== undefined ) { + + return existingAction; + + } + + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; + + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; + + } + + // clip must be known when specified via string + if ( clipObject === null ) return null; + + // allocate all resources required to run it + var newAction = new AnimationAction( this, clipObject, optionalRoot ); + + this._bindAction( newAction, prototypeAction ); + + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); + + return newAction; + + }, + + // get an existing action + existingAction: function( clip, optionalRoot ) { + + var root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + return actionsForClip.actionByRoot[ rootUuid ] || null; + + } + + return null; + + }, + + // deactivates all previously scheduled actions + stopAllAction: function() { + + var actions = this._actions, + nActions = this._nActiveActions, + bindings = this._bindings, + nBindings = this._nActiveBindings; + + this._nActiveActions = 0; + this._nActiveBindings = 0; + + for ( var i = 0; i !== nActions; ++ i ) { + + actions[ i ].reset(); + + } + + for ( var i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].useCount = 0; + + } + + return this; + + }, + + // advance the time and update apply the animation + update: function( deltaTime ) { + + deltaTime *= this.timeScale; + + var actions = this._actions, + nActions = this._nActiveActions, + + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), + + accuIndex = this._accuIndex ^= 1; + + // run active actions + + for ( var i = 0; i !== nActions; ++ i ) { + + var action = actions[ i ]; + + if ( action.enabled ) { + + action._update( time, deltaTime, timeDirection, accuIndex ); + + } + + } + + // update scene graph + + var bindings = this._bindings, + nBindings = this._nActiveBindings; + + for ( var i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].apply( accuIndex ); + + } + + return this; + + }, + + // return this mixer's root target object + getRoot: function() { + + return this._root; + + }, + + // free all resources specific to a particular clip + uncacheClip: function( clip ) { + + var actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away + + var actionsToRemove = actionsForClip.knownActions; + + for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + + var action = actionsToRemove[ i ]; + + this._deactivateAction( action ); + + var cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; + + action._cacheIndex = null; + action._byClipCacheIndex = null; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + this._removeInactiveBindingsForAction( action ); + + } + + delete actionsByClip[ clipUuid ]; + + } + + }, + + // free all resources specific to a particular root target object + uncacheRoot: function( root ) { + + var rootUuid = root.uuid, + actionsByClip = this._actionsByClip; + + for ( var clipUuid in actionsByClip ) { + + var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; + + if ( action !== undefined ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName !== undefined ) { + + for ( var trackName in bindingByName ) { + + var binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); + + } + + } + + }, + + // remove a targeted clip from the cache + uncacheAction: function( clip, optionalRoot ) { + + var action = this.existingAction( clip, optionalRoot ); + + if ( action !== null ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + + } ); + + // Implementation details: + + Object.assign( AnimationMixer.prototype, { + + _bindAction: function( action, prototypeAction ) { + + var root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName, + bindingsByName = bindingsByRoot[ rootUuid ]; + + if ( bindingsByName === undefined ) { + + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; + + } + + for ( var i = 0; i !== nTracks; ++ i ) { + + var track = tracks[ i ], + trackName = track.name, + binding = bindingsByName[ trackName ]; + + if ( binding !== undefined ) { + + bindings[ i ] = binding; + + } else { + + binding = bindings[ i ]; + + if ( binding !== undefined ) { + + // existing binding, make sure the cache knows + + if ( binding._cacheIndex === null ) { + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + } + + continue; + + } + + var path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; + + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + bindings[ i ] = binding; + + } + + interpolants[ i ].resultBuffer = binding.buffer; + + } + + }, + + _activateAction: function( action ) { + + if ( ! this._isActiveAction( action ) ) { + + if ( action._cacheIndex === null ) { + + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind + + var rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; + + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); + + this._addInactiveAction( action, clipUuid, rootUuid ); + + } + + var bindings = action._propertyBindings; + + // increment reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( binding.useCount ++ === 0 ) { + + this._lendBinding( binding ); + binding.saveOriginalState(); + + } + + } + + this._lendAction( action ); + + } + + }, + + _deactivateAction: function( action ) { + + if ( this._isActiveAction( action ) ) { + + var bindings = action._propertyBindings; + + // decrement reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( -- binding.useCount === 0 ) { + + binding.restoreOriginalState(); + this._takeBackBinding( binding ); + + } + + } + + this._takeBackAction( action ); + + } + + }, + + // Memory manager + + _initMemoryManager: function() { + + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; + + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } + + + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; + + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + + + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; + + var scope = this; + + this.stats = { + + actions: { + get total() { return scope._actions.length; }, + get inUse() { return scope._nActiveActions; } + }, + bindings: { + get total() { return scope._bindings.length; }, + get inUse() { return scope._nActiveBindings; } + }, + controlInterpolants: { + get total() { return scope._controlInterpolants.length; }, + get inUse() { return scope._nActiveControlInterpolants; } + } + + }; + + }, + + // Memory management for AnimationAction objects + + _isActiveAction: function( action ) { + + var index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + + }, + + _addInactiveAction: function( action, clipUuid, rootUuid ) { + + var actions = this._actions, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip === undefined ) { + + actionsForClip = { + + knownActions: [ action ], + actionByRoot: {} + + }; + + action._byClipCacheIndex = 0; + + actionsByClip[ clipUuid ] = actionsForClip; + + } else { + + var knownActions = actionsForClip.knownActions; + + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); + + } + + action._cacheIndex = actions.length; + actions.push( action ); + + actionsForClip.actionByRoot[ rootUuid ] = action; + + }, + + _removeInactiveAction: function( action ) { + + var actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + action._cacheIndex = null; + + + var clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, + + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], + + byClipCacheIndex = action._byClipCacheIndex; + + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); + + action._byClipCacheIndex = null; + + + var actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( actions._localRoot || this._root ).uuid; + + delete actionByRoot[ rootUuid ]; + + if ( knownActionsForClip.length === 0 ) { + + delete actionsByClip[ clipUuid ]; + + } + + this._removeInactiveBindingsForAction( action ); + + }, + + _removeInactiveBindingsForAction: function( action ) { + + var bindings = action._propertyBindings; + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( -- binding.referenceCount === 0 ) { + + this._removeInactiveBinding( binding ); + + } + + } + + }, + + _lendAction: function( action ) { + + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s + + var actions = this._actions, + prevIndex = action._cacheIndex, + + lastActiveIndex = this._nActiveActions ++, + + firstInactiveAction = actions[ lastActiveIndex ]; + + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; + + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; + + }, + + _takeBackAction: function( action ) { + + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + + var actions = this._actions, + prevIndex = action._cacheIndex, + + firstInactiveIndex = -- this._nActiveActions, + + lastActiveAction = actions[ firstInactiveIndex ]; + + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + + }, + + // Memory management for PropertyMixer objects + + _addInactiveBinding: function( binding, rootUuid, trackName ) { + + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + bindings = this._bindings; + + if ( bindingByName === undefined ) { + + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + + } + + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); + + }, + + _removeInactiveBinding: function( binding ) { + + var bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + + delete bindingByName[ trackName ]; + + remove_empty_map: { + + for ( var _ in bindingByName ) break remove_empty_map; + + delete bindingsByRoot[ rootUuid ]; + + } + + }, + + _lendBinding: function( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + lastActiveIndex = this._nActiveBindings ++, + + firstInactiveBinding = bindings[ lastActiveIndex ]; + + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + + }, + + _takeBackBinding: function( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + + }, + + + // Memory management of Interpolants for weight and time scale + + _lendControlInterpolant: function() { + + var interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++, + interpolant = interpolants[ lastActiveIndex ]; + + if ( interpolant === undefined ) { + + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, this._controlInterpolantsResultBuffer ); + + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + + } + + return interpolant; + + }, + + _takeBackControlInterpolant: function( interpolant ) { + + var interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, + + firstInactiveIndex = -- this._nActiveControlInterpolants, + + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; + + }, + + _controlInterpolantsResultBuffer: new Float32Array( 1 ) + + } ); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Uniform( value ) { + + if ( typeof value === 'string' ) { + + console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); + value = arguments[ 1 ]; + + } + + this.value = value; + + } + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function InstancedBufferGeometry() { + + BufferGeometry.call( this ); + + this.type = 'InstancedBufferGeometry'; + this.maxInstancedCount = undefined; + + } + + InstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + InstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry; + + InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true; + + InstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) { + + this.groups.push( { + + start: start, + count: count, + materialIndex: materialIndex + + } ); + + }; + + InstancedBufferGeometry.prototype.copy = function ( source ) { + + var index = source.index; + + if ( index !== null ) { + + this.setIndex( index.clone() ); + + } + + var attributes = source.attributes; + + for ( var name in attributes ) { + + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); + + } + + var groups = source.groups; + + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + + } + + return this; + + }; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { + + this.uuid = _Math.generateUUID(); + + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + + this.normalized = normalized === true; + + } + + + InterleavedBufferAttribute.prototype = { + + constructor: InterleavedBufferAttribute, + + isInterleavedBufferAttribute: true, + + get count() { + + return this.data.count; + + }, + + get array() { + + return this.data.array; + + }, + + setX: function ( index, x ) { + + this.data.array[ index * this.data.stride + this.offset ] = x; + + return this; + + }, + + setY: function ( index, y ) { + + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + + return this; + + }, + + setZ: function ( index, z ) { + + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + + return this; + + }, + + setW: function ( index, w ) { + + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + + return this; + + }, + + getX: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset ]; + + }, + + getY: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 1 ]; + + }, + + getZ: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 2 ]; + + }, + + getW: function ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 3 ]; + + }, + + setXY: function ( index, x, y ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + + return this; + + }, + + setXYZ: function ( index, x, y, z ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + + return this; + + }, + + setXYZW: function ( index, x, y, z, w ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; + + return this; + + } + + }; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function InterleavedBuffer( array, stride ) { + + this.uuid = _Math.generateUUID(); + + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; + + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + + } + + InterleavedBuffer.prototype = { + + constructor: InterleavedBuffer, + + isInterleavedBuffer: true, + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + }, + + setArray: function ( array ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.count = array !== undefined ? array.length / this.stride : 0; + this.array = array; + + }, + + setDynamic: function ( value ) { + + this.dynamic = value; + + return this; + + }, + + copy: function ( source ) { + + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.dynamic = source.dynamic; + + return this; + + }, + + copyAt: function ( index1, attribute, index2 ) { + + index1 *= this.stride; + index2 *= attribute.stride; + + for ( var i = 0, l = this.stride; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + }, + + set: function ( value, offset ) { + + if ( offset === undefined ) offset = 0; + + this.array.set( value, offset ); + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + } + + }; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { + + InterleavedBuffer.call( this, array, stride ); + + this.meshPerAttribute = meshPerAttribute || 1; + + } + + InstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype ); + InstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer; + + InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true; + + InstancedInterleavedBuffer.prototype.copy = function ( source ) { + + InterleavedBuffer.prototype.copy.call( this, source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + }; + + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ + + function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) { + + BufferAttribute.call( this, array, itemSize ); + + this.meshPerAttribute = meshPerAttribute || 1; + + } + + InstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); + InstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute; + + InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true; + + InstancedBufferAttribute.prototype.copy = function ( source ) { + + BufferAttribute.prototype.copy.call( this, source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author bhouston / http://clara.io/ + * @author stephomi / http://stephaneginier.com/ + */ + + function Raycaster( origin, direction, near, far ) { + + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) + + this.near = near || 0; + this.far = far || Infinity; + + this.params = { + Mesh: {}, + Line: {}, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + + Object.defineProperties( this.params, { + PointCloud: { + get: function () { + console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); + return this.Points; + } + } + } ); + + } + + function ascSort( a, b ) { + + return a.distance - b.distance; + + } + + function intersectObject( object, raycaster, intersects, recursive ) { + + if ( object.visible === false ) return; + + object.raycast( raycaster, intersects ); + + if ( recursive === true ) { + + var children = object.children; + + for ( var i = 0, l = children.length; i < l; i ++ ) { + + intersectObject( children[ i ], raycaster, intersects, true ); + + } + + } + + } + + // + + Raycaster.prototype = { + + constructor: Raycaster, + + linePrecision: 1, + + set: function ( origin, direction ) { + + // direction is assumed to be normalized (for accurate distance calculations) + + this.ray.set( origin, direction ); + + }, + + setFromCamera: function ( coords, camera ) { + + if ( (camera && camera.isPerspectiveCamera) ) { + + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + + } else if ( (camera && camera.isOrthographicCamera) ) { + + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + + } else { + + console.error( 'THREE.Raycaster: Unsupported camera type.' ); + + } + + }, + + intersectObject: function ( object, recursive ) { + + var intersects = []; + + intersectObject( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + }, + + intersectObjects: function ( objects, recursive ) { + + var intersects = []; + + if ( Array.isArray( objects ) === false ) { + + console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); + return intersects; + + } + + for ( var i = 0, l = objects.length; i < l; i ++ ) { + + intersectObject( objects[ i ], this, intersects, recursive ); + + } + + intersects.sort( ascSort ); + + return intersects; + + } + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function Clock( autoStart ) { + + this.autoStart = ( autoStart !== undefined ) ? autoStart : true; + + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + + this.running = false; + + } + + Clock.prototype = { + + constructor: Clock, + + start: function () { + + this.startTime = ( performance || Date ).now(); + + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + + }, + + stop: function () { + + this.getElapsedTime(); + this.running = false; + + }, + + getElapsedTime: function () { + + this.getDelta(); + return this.elapsedTime; + + }, + + getDelta: function () { + + var diff = 0; + + if ( this.autoStart && ! this.running ) { + + this.start(); + + } + + if ( this.running ) { + + var newTime = ( performance || Date ).now(); + + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; + + this.elapsedTime += diff; + + } + + return diff; + + } + + }; + + /** + * Spline from Tween.js, slightly optimized (and trashed) + * http://sole.github.com/tween.js/examples/05_spline.html + * + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ + + function Spline( points ) { + + this.points = points; + + var c = [], v3 = { x: 0, y: 0, z: 0 }, + point, intPoint, weight, w2, w3, + pa, pb, pc, pd; + + this.initFromArray = function ( a ) { + + this.points = []; + + for ( var i = 0; i < a.length; i ++ ) { + + this.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] }; + + } + + }; + + this.getPoint = function ( k ) { + + point = ( this.points.length - 1 ) * k; + intPoint = Math.floor( point ); + weight = point - intPoint; + + c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1; + c[ 1 ] = intPoint; + c[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1; + c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2; + + pa = this.points[ c[ 0 ] ]; + pb = this.points[ c[ 1 ] ]; + pc = this.points[ c[ 2 ] ]; + pd = this.points[ c[ 3 ] ]; + + w2 = weight * weight; + w3 = weight * w2; + + v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 ); + v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 ); + v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 ); + + return v3; + + }; + + this.getControlPointsArray = function () { + + var i, p, l = this.points.length, + coords = []; + + for ( i = 0; i < l; i ++ ) { + + p = this.points[ i ]; + coords[ i ] = [ p.x, p.y, p.z ]; + + } + + return coords; + + }; + + // approximate length by summing linear segments + + this.getLength = function ( nSubDivisions ) { + + var i, index, nSamples, position, + point = 0, intPoint = 0, oldIntPoint = 0, + oldPosition = new Vector3(), + tmpVec = new Vector3(), + chunkLengths = [], + totalLength = 0; + + // first point has 0 length + + chunkLengths[ 0 ] = 0; + + if ( ! nSubDivisions ) nSubDivisions = 100; + + nSamples = this.points.length * nSubDivisions; + + oldPosition.copy( this.points[ 0 ] ); + + for ( i = 1; i < nSamples; i ++ ) { + + index = i / nSamples; + + position = this.getPoint( index ); + tmpVec.copy( position ); + + totalLength += tmpVec.distanceTo( oldPosition ); + + oldPosition.copy( position ); + + point = ( this.points.length - 1 ) * index; + intPoint = Math.floor( point ); + + if ( intPoint !== oldIntPoint ) { + + chunkLengths[ intPoint ] = totalLength; + oldIntPoint = intPoint; + + } + + } + + // last point ends with total length + + chunkLengths[ chunkLengths.length ] = totalLength; + + return { chunks: chunkLengths, total: totalLength }; + + }; + + this.reparametrizeByArcLength = function ( samplingCoef ) { + + var i, j, + index, indexCurrent, indexNext, + realDistance, + sampling, position, + newpoints = [], + tmpVec = new Vector3(), + sl = this.getLength(); + + newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() ); + + for ( i = 1; i < this.points.length; i ++ ) { + + //tmpVec.copy( this.points[ i - 1 ] ); + //linearDistance = tmpVec.distanceTo( this.points[ i ] ); + + realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ]; + + sampling = Math.ceil( samplingCoef * realDistance / sl.total ); + + indexCurrent = ( i - 1 ) / ( this.points.length - 1 ); + indexNext = i / ( this.points.length - 1 ); + + for ( j = 1; j < sampling - 1; j ++ ) { + + index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent ); + + position = this.getPoint( index ); + newpoints.push( tmpVec.copy( position ).clone() ); + + } + + newpoints.push( tmpVec.copy( this.points[ i ] ).clone() ); + + } + + this.points = newpoints; + + }; + + // Catmull-Rom + + function interpolate( p0, p1, p2, p3, t, t2, t3 ) { + + var v0 = ( p2 - p0 ) * 0.5, + v1 = ( p3 - p1 ) * 0.5; + + return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1; + + } + + } + + /** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * The poles (phi) are at the positive and negative y axis. + * The equator starts at positive z. + */ + + function Spherical( radius, phi, theta ) { + + this.radius = ( radius !== undefined ) ? radius : 1.0; + this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole + this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere + + return this; + + } + + Spherical.prototype = { + + constructor: Spherical, + + set: function ( radius, phi, theta ) { + + this.radius = radius; + this.phi = phi; + this.theta = theta; + + return this; + + }, + + clone: function () { + + return new this.constructor().copy( this ); + + }, + + copy: function ( other ) { + + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + + return this; + + }, + + // restrict phi to be betwee EPS and PI-EPS + makeSafe: function() { + + var EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + + return this; + + }, + + setFromVector3: function( vec3 ) { + + this.radius = vec3.length(); + + if ( this.radius === 0 ) { + + this.theta = 0; + this.phi = 0; + + } else { + + this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis + this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle + + } + + return this; + + }, + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function MorphBlendMesh( geometry, material ) { + + Mesh.call( this, geometry, material ); + + this.animationsMap = {}; + this.animationsList = []; + + // prepare default animation + // (all frames played together in 1 second) + + var numFrames = this.geometry.morphTargets.length; + + var name = "__default"; + + var startFrame = 0; + var endFrame = numFrames - 1; + + var fps = numFrames / 1; + + this.createAnimation( name, startFrame, endFrame, fps ); + this.setAnimationWeight( name, 1 ); + + } + + MorphBlendMesh.prototype = Object.create( Mesh.prototype ); + MorphBlendMesh.prototype.constructor = MorphBlendMesh; + + MorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) { + + var animation = { + + start: start, + end: end, + + length: end - start + 1, + + fps: fps, + duration: ( end - start ) / fps, + + lastFrame: 0, + currentFrame: 0, + + active: false, + + time: 0, + direction: 1, + weight: 1, + + directionBackwards: false, + mirroredLoop: false + + }; + + this.animationsMap[ name ] = animation; + this.animationsList.push( animation ); + + }; + + MorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) { + + var pattern = /([a-z]+)_?(\d+)/i; + + var firstAnimation, frameRanges = {}; + + var geometry = this.geometry; + + for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) { + + var morph = geometry.morphTargets[ i ]; + var chunks = morph.name.match( pattern ); + + if ( chunks && chunks.length > 1 ) { + + var name = chunks[ 1 ]; + + if ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity }; + + var range = frameRanges[ name ]; + + if ( i < range.start ) range.start = i; + if ( i > range.end ) range.end = i; + + if ( ! firstAnimation ) firstAnimation = name; + + } + + } + + for ( var name in frameRanges ) { + + var range = frameRanges[ name ]; + this.createAnimation( name, range.start, range.end, fps ); + + } + + this.firstAnimation = firstAnimation; + + }; + + MorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.direction = 1; + animation.directionBackwards = false; + + } + + }; + + MorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.direction = - 1; + animation.directionBackwards = true; + + } + + }; + + MorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.fps = fps; + animation.duration = ( animation.end - animation.start ) / animation.fps; + + } + + }; + + MorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.duration = duration; + animation.fps = ( animation.end - animation.start ) / animation.duration; + + } + + }; + + MorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.weight = weight; + + } + + }; + + MorphBlendMesh.prototype.setAnimationTime = function ( name, time ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.time = time; + + } + + }; + + MorphBlendMesh.prototype.getAnimationTime = function ( name ) { + + var time = 0; + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + time = animation.time; + + } + + return time; + + }; + + MorphBlendMesh.prototype.getAnimationDuration = function ( name ) { + + var duration = - 1; + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + duration = animation.duration; + + } + + return duration; + + }; + + MorphBlendMesh.prototype.playAnimation = function ( name ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.time = 0; + animation.active = true; + + } else { + + console.warn( "THREE.MorphBlendMesh: animation[" + name + "] undefined in .playAnimation()" ); + + } + + }; + + MorphBlendMesh.prototype.stopAnimation = function ( name ) { + + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.active = false; + + } + + }; + + MorphBlendMesh.prototype.update = function ( delta ) { + + for ( var i = 0, il = this.animationsList.length; i < il; i ++ ) { + + var animation = this.animationsList[ i ]; + + if ( ! animation.active ) continue; + + var frameTime = animation.duration / animation.length; + + animation.time += animation.direction * delta; + + if ( animation.mirroredLoop ) { + + if ( animation.time > animation.duration || animation.time < 0 ) { + + animation.direction *= - 1; + + if ( animation.time > animation.duration ) { + + animation.time = animation.duration; + animation.directionBackwards = true; + + } + + if ( animation.time < 0 ) { + + animation.time = 0; + animation.directionBackwards = false; + + } + + } + + } else { + + animation.time = animation.time % animation.duration; + + if ( animation.time < 0 ) animation.time += animation.duration; + + } + + var keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 ); + var weight = animation.weight; + + if ( keyframe !== animation.currentFrame ) { + + this.morphTargetInfluences[ animation.lastFrame ] = 0; + this.morphTargetInfluences[ animation.currentFrame ] = 1 * weight; + + this.morphTargetInfluences[ keyframe ] = 0; + + animation.lastFrame = animation.currentFrame; + animation.currentFrame = keyframe; + + } + + var mix = ( animation.time % frameTime ) / frameTime; + + if ( animation.directionBackwards ) mix = 1 - mix; + + if ( animation.currentFrame !== animation.lastFrame ) { + + this.morphTargetInfluences[ animation.currentFrame ] = mix * weight; + this.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight; + + } else { + + this.morphTargetInfluences[ animation.currentFrame ] = weight; + + } + + } + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + function ImmediateRenderObject( material ) { + + Object3D.call( this ); + + this.material = material; + this.render = function ( renderCallback ) {}; + + } + + ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); + ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; + + ImmediateRenderObject.prototype.isImmediateRenderObject = true; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function VertexNormalsHelper( object, size, hex, linewidth ) { + + this.object = object; + + this.size = ( size !== undefined ) ? size : 1; + + var color = ( hex !== undefined ) ? hex : 0xff0000; + + var width = ( linewidth !== undefined ) ? linewidth : 1; + + // + + var nNormals = 0; + + var objGeometry = this.object.geometry; + + if ( (objGeometry && objGeometry.isGeometry) ) { + + nNormals = objGeometry.faces.length * 3; + + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + + nNormals = objGeometry.attributes.normal.count; + + } + + // + + var geometry = new BufferGeometry(); + + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + + geometry.addAttribute( 'position', positions ); + + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + + // + + this.matrixAutoUpdate = false; + + this.update(); + + } + + VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); + VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; + + VertexNormalsHelper.prototype.update = ( function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); + + return function update() { + + var keys = [ 'a', 'b', 'c' ]; + + this.object.updateMatrixWorld( true ); + + normalMatrix.getNormalMatrix( this.object.matrixWorld ); + + var matrixWorld = this.object.matrixWorld; + + var position = this.geometry.attributes.position; + + // + + var objGeometry = this.object.geometry; + + if ( (objGeometry && objGeometry.isGeometry) ) { + + var vertices = objGeometry.vertices; + + var faces = objGeometry.faces; + + var idx = 0; + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + + var vertex = vertices[ face[ keys[ j ] ] ]; + + var normal = face.vertexNormals[ j ]; + + v1.copy( vertex ).applyMatrix4( matrixWorld ); + + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + + position.setXYZ( idx, v1.x, v1.y, v1.z ); + + idx = idx + 1; + + position.setXYZ( idx, v2.x, v2.y, v2.z ); + + idx = idx + 1; + + } + + } + + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + + var objPos = objGeometry.attributes.position; + + var objNorm = objGeometry.attributes.normal; + + var idx = 0; + + // for simplicity, ignore index and drawcalls, and render every normal + + for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { + + v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); + + v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); + + v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + + position.setXYZ( idx, v1.x, v1.y, v1.z ); + + idx = idx + 1; + + position.setXYZ( idx, v2.x, v2.y, v2.z ); + + idx = idx + 1; + + } + + } + + position.needsUpdate = true; + + return this; + + }; + + }() ); + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function SpotLightHelper( light ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + var geometry = new BufferGeometry(); + + var positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; + + for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + + var p1 = ( i / l ) * Math.PI * 2; + var p2 = ( j / l ) * Math.PI * 2; + + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); + + } + + geometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) ); + + var material = new LineBasicMaterial( { fog: false } ); + + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); + + this.update(); + + } + + SpotLightHelper.prototype = Object.create( Object3D.prototype ); + SpotLightHelper.prototype.constructor = SpotLightHelper; + + SpotLightHelper.prototype.dispose = function () { + + this.cone.geometry.dispose(); + this.cone.material.dispose(); + + }; + + SpotLightHelper.prototype.update = function () { + + var vector = new Vector3(); + var vector2 = new Vector3(); + + return function update() { + + var coneLength = this.light.distance ? this.light.distance : 1000; + var coneWidth = coneLength * Math.tan( this.light.angle ); + + this.cone.scale.set( coneWidth, coneWidth, coneLength ); + + vector.setFromMatrixPosition( this.light.matrixWorld ); + vector2.setFromMatrixPosition( this.light.target.matrixWorld ); + + this.cone.lookAt( vector2.sub( vector ) ); + + this.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + + }; + + }(); + + /** + * @author Sean Griffin / http://twitter.com/sgrif + * @author Michael Guerrero / http://realitymeltdown.com + * @author mrdoob / http://mrdoob.com/ + * @author ikerr / http://verold.com + */ + + function SkeletonHelper( object ) { + + this.bones = this.getBoneList( object ); + + var geometry = new Geometry(); + + for ( var i = 0; i < this.bones.length; i ++ ) { + + var bone = this.bones[ i ]; + + if ( (bone.parent && bone.parent.isBone) ) { + + geometry.vertices.push( new Vector3() ); + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( 0, 0, 1 ) ); + geometry.colors.push( new Color( 0, 1, 0 ) ); + + } + + } + + geometry.dynamic = true; + + var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); + + LineSegments.call( this, geometry, material ); + + this.root = object; + + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + + this.update(); + + } + + + SkeletonHelper.prototype = Object.create( LineSegments.prototype ); + SkeletonHelper.prototype.constructor = SkeletonHelper; + + SkeletonHelper.prototype.getBoneList = function( object ) { + + var boneList = []; + + if ( (object && object.isBone) ) { + + boneList.push( object ); + + } + + for ( var i = 0; i < object.children.length; i ++ ) { + + boneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) ); + + } + + return boneList; + + }; + + SkeletonHelper.prototype.update = function () { + + var geometry = this.geometry; + + var matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld ); + + var boneMatrix = new Matrix4(); + + var j = 0; + + for ( var i = 0; i < this.bones.length; i ++ ) { + + var bone = this.bones[ i ]; + + if ( (bone.parent && bone.parent.isBone) ) { + + boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld ); + geometry.vertices[ j ].setFromMatrixPosition( boneMatrix ); + + boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld ); + geometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix ); + + j += 2; + + } + + } + + geometry.verticesNeedUpdate = true; + + geometry.computeBoundingSphere(); + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + function PointLightHelper( light, sphereSize ) { + + this.light = light; + this.light.updateMatrixWorld(); + + var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); + var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); + material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + + Mesh.call( this, geometry, material ); + + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + + /* + var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); + var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + + var d = light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.scale.set( d, d, d ); + + } + + this.add( this.lightDistance ); + */ + + } + + PointLightHelper.prototype = Object.create( Mesh.prototype ); + PointLightHelper.prototype.constructor = PointLightHelper; + + PointLightHelper.prototype.dispose = function () { + + this.geometry.dispose(); + this.material.dispose(); + + }; + + PointLightHelper.prototype.update = function () { + + this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + + /* + var d = this.light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); + + } + */ + + }; + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ + + function HemisphereLightHelper( light, sphereSize ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.colors = [ new Color(), new Color() ]; + + var geometry = new SphereGeometry( sphereSize, 4, 2 ); + geometry.rotateX( - Math.PI / 2 ); + + for ( var i = 0, il = 8; i < il; i ++ ) { + + geometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ]; + + } + + var material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } ); + + this.lightSphere = new Mesh( geometry, material ); + this.add( this.lightSphere ); + + this.update(); + + } + + HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); + HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; + + HemisphereLightHelper.prototype.dispose = function () { + + this.lightSphere.geometry.dispose(); + this.lightSphere.material.dispose(); + + }; + + HemisphereLightHelper.prototype.update = function () { + + var vector = new Vector3(); + + return function update() { + + this.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity ); + this.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity ); + + this.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + this.lightSphere.geometry.colorsNeedUpdate = true; + + }; + + }(); + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function GridHelper( size, divisions, color1, color2 ) { + + divisions = divisions || 1; + color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); + color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); + + var center = divisions / 2; + var step = ( size * 2 ) / divisions; + var vertices = [], colors = []; + + for ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) { + + vertices.push( - size, 0, k, size, 0, k ); + vertices.push( k, 0, - size, k, 0, size ); + + var color = i === center ? color1 : color2; + + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + + } + + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + + LineSegments.call( this, geometry, material ); + + } + + GridHelper.prototype = Object.create( LineSegments.prototype ); + GridHelper.prototype.constructor = GridHelper; + + GridHelper.prototype.setColors = function () { + + console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function FaceNormalsHelper( object, size, hex, linewidth ) { + + // FaceNormalsHelper only supports THREE.Geometry + + this.object = object; + + this.size = ( size !== undefined ) ? size : 1; + + var color = ( hex !== undefined ) ? hex : 0xffff00; + + var width = ( linewidth !== undefined ) ? linewidth : 1; + + // + + var nNormals = 0; + + var objGeometry = this.object.geometry; + + if ( (objGeometry && objGeometry.isGeometry) ) { + + nNormals = objGeometry.faces.length; + + } else { + + console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); + + } + + // + + var geometry = new BufferGeometry(); + + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + + geometry.addAttribute( 'position', positions ); + + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + + // + + this.matrixAutoUpdate = false; + this.update(); + + } + + FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); + FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; + + FaceNormalsHelper.prototype.update = ( function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); + + return function update() { + + this.object.updateMatrixWorld( true ); + + normalMatrix.getNormalMatrix( this.object.matrixWorld ); + + var matrixWorld = this.object.matrixWorld; + + var position = this.geometry.attributes.position; + + // + + var objGeometry = this.object.geometry; + + var vertices = objGeometry.vertices; + + var faces = objGeometry.faces; + + var idx = 0; + + for ( var i = 0, l = faces.length; i < l; i ++ ) { + + var face = faces[ i ]; + + var normal = face.normal; + + v1.copy( vertices[ face.a ] ) + .add( vertices[ face.b ] ) + .add( vertices[ face.c ] ) + .divideScalar( 3 ) + .applyMatrix4( matrixWorld ); + + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + + position.setXYZ( idx, v1.x, v1.y, v1.z ); + + idx = idx + 1; + + position.setXYZ( idx, v2.x, v2.y, v2.z ); + + idx = idx + 1; + + } + + position.needsUpdate = true; + + return this; + + }; + + }() ); + + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ + + function DirectionalLightHelper( light, size ) { + + Object3D.call( this ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + if ( size === undefined ) size = 1; + + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); + + var material = new LineBasicMaterial( { fog: false } ); + + this.add( new Line( geometry, material ) ); + + geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + + this.add( new Line( geometry, material )); + + this.update(); + + } + + DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); + DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; + + DirectionalLightHelper.prototype.dispose = function () { + + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; + + lightPlane.geometry.dispose(); + lightPlane.material.dispose(); + targetLine.geometry.dispose(); + targetLine.material.dispose(); + + }; + + DirectionalLightHelper.prototype.update = function () { + + var v1 = new Vector3(); + var v2 = new Vector3(); + var v3 = new Vector3(); + + return function update() { + + v1.setFromMatrixPosition( this.light.matrixWorld ); + v2.setFromMatrixPosition( this.light.target.matrixWorld ); + v3.subVectors( v2, v1 ); + + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; + + lightPlane.lookAt( v3 ); + lightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + + targetLine.lookAt( v3 ); + targetLine.scale.z = v3.length(); + + }; + + }(); + + /** + * @author alteredq / http://alteredqualia.com/ + * + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * http://evanw.github.com/lightgl.js/tests/shadowmap.html + */ + + function CameraHelper( camera ) { + + var geometry = new Geometry(); + var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); + + var pointMap = {}; + + // colors + + var hexFrustum = 0xffaa00; + var hexCone = 0xff0000; + var hexUp = 0x00aaff; + var hexTarget = 0xffffff; + var hexCross = 0x333333; + + // near + + addLine( "n1", "n2", hexFrustum ); + addLine( "n2", "n4", hexFrustum ); + addLine( "n4", "n3", hexFrustum ); + addLine( "n3", "n1", hexFrustum ); + + // far + + addLine( "f1", "f2", hexFrustum ); + addLine( "f2", "f4", hexFrustum ); + addLine( "f4", "f3", hexFrustum ); + addLine( "f3", "f1", hexFrustum ); + + // sides + + addLine( "n1", "f1", hexFrustum ); + addLine( "n2", "f2", hexFrustum ); + addLine( "n3", "f3", hexFrustum ); + addLine( "n4", "f4", hexFrustum ); + + // cone + + addLine( "p", "n1", hexCone ); + addLine( "p", "n2", hexCone ); + addLine( "p", "n3", hexCone ); + addLine( "p", "n4", hexCone ); + + // up + + addLine( "u1", "u2", hexUp ); + addLine( "u2", "u3", hexUp ); + addLine( "u3", "u1", hexUp ); + + // target + + addLine( "c", "t", hexTarget ); + addLine( "p", "c", hexCross ); + + // cross + + addLine( "cn1", "cn2", hexCross ); + addLine( "cn3", "cn4", hexCross ); + + addLine( "cf1", "cf2", hexCross ); + addLine( "cf3", "cf4", hexCross ); + + function addLine( a, b, hex ) { + + addPoint( a, hex ); + addPoint( b, hex ); + + } + + function addPoint( id, hex ) { + + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( hex ) ); + + if ( pointMap[ id ] === undefined ) { + + pointMap[ id ] = []; + + } + + pointMap[ id ].push( geometry.vertices.length - 1 ); + + } + + LineSegments.call( this, geometry, material ); + + this.camera = camera; + if( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + + this.pointMap = pointMap; + + this.update(); + + } + + CameraHelper.prototype = Object.create( LineSegments.prototype ); + CameraHelper.prototype.constructor = CameraHelper; + + CameraHelper.prototype.update = function () { + + var geometry, pointMap; + + var vector = new Vector3(); + var camera = new Camera(); + + function setPoint( point, x, y, z ) { + + vector.set( x, y, z ).unproject( camera ); + + var points = pointMap[ point ]; + + if ( points !== undefined ) { + + for ( var i = 0, il = points.length; i < il; i ++ ) { + + geometry.vertices[ points[ i ] ].copy( vector ); + + } + + } + + } + + return function update() { + + geometry = this.geometry; + pointMap = this.pointMap; + + var w = 1, h = 1; + + // we need just camera projection matrix + // world matrix must be identity + + camera.projectionMatrix.copy( this.camera.projectionMatrix ); + + // center / target + + setPoint( "c", 0, 0, - 1 ); + setPoint( "t", 0, 0, 1 ); + + // near + + setPoint( "n1", - w, - h, - 1 ); + setPoint( "n2", w, - h, - 1 ); + setPoint( "n3", - w, h, - 1 ); + setPoint( "n4", w, h, - 1 ); + + // far + + setPoint( "f1", - w, - h, 1 ); + setPoint( "f2", w, - h, 1 ); + setPoint( "f3", - w, h, 1 ); + setPoint( "f4", w, h, 1 ); + + // up + + setPoint( "u1", w * 0.7, h * 1.1, - 1 ); + setPoint( "u2", - w * 0.7, h * 1.1, - 1 ); + setPoint( "u3", 0, h * 2, - 1 ); + + // cross + + setPoint( "cf1", - w, 0, 1 ); + setPoint( "cf2", w, 0, 1 ); + setPoint( "cf3", 0, - h, 1 ); + setPoint( "cf4", 0, h, 1 ); + + setPoint( "cn1", - w, 0, - 1 ); + setPoint( "cn2", w, 0, - 1 ); + setPoint( "cn3", 0, - h, - 1 ); + setPoint( "cn4", 0, h, - 1 ); + + geometry.verticesNeedUpdate = true; + + }; + + }(); + + /** + * @author WestLangley / http://github.com/WestLangley + */ + + // a helper to show the world-axis-aligned bounding box for an object + + function BoundingBoxHelper( object, hex ) { + + var color = ( hex !== undefined ) ? hex : 0x888888; + + this.object = object; + + this.box = new Box3(); + + Mesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) ); + + } + + BoundingBoxHelper.prototype = Object.create( Mesh.prototype ); + BoundingBoxHelper.prototype.constructor = BoundingBoxHelper; + + BoundingBoxHelper.prototype.update = function () { + + this.box.setFromObject( this.object ); + + this.box.getSize( this.scale ); + + this.box.getCenter( this.position ); + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function BoxHelper( object, color ) { + + if ( color === undefined ) color = 0xffff00; + + var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + var positions = new Float32Array( 8 * 3 ); + + var geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + + if ( object !== undefined ) { + + this.update( object ); + + } + + } + + BoxHelper.prototype = Object.create( LineSegments.prototype ); + BoxHelper.prototype.constructor = BoxHelper; + + BoxHelper.prototype.update = ( function () { + + var box = new Box3(); + + return function update( object ) { + + if ( (object && object.isBox3) ) { + + box.copy( object ); + + } else { + + box.setFromObject( object ); + + } + + if ( box.isEmpty() ) return; + + var min = box.min; + var max = box.max; + + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ + + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ + + var position = this.geometry.attributes.position; + var array = position.array; + + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + + position.needsUpdate = true; + + this.geometry.computeBoundingSphere(); + + }; + + } )(); + + /** + * @author WestLangley / http://github.com/WestLangley + * @author zz85 / http://github.com/zz85 + * @author bhouston / http://clara.io + * + * Creates an arrow for visualizing directions + * + * Parameters: + * dir - Vector3 + * origin - Vector3 + * length - Number + * color - color in hex value + * headLength - Number + * headWidth - Number + */ + + var lineGeometry = new BufferGeometry(); + lineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + + var coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); + coneGeometry.translate( 0, - 0.5, 0 ); + + function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { + + // dir is assumed to be normalized + + Object3D.call( this ); + + if ( color === undefined ) color = 0xffff00; + if ( length === undefined ) length = 1; + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; + + this.position.copy( origin ); + + this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); + + this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); + + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); + + } + + ArrowHelper.prototype = Object.create( Object3D.prototype ); + ArrowHelper.prototype.constructor = ArrowHelper; + + ArrowHelper.prototype.setDirection = ( function () { + + var axis = new Vector3(); + var radians; + + return function setDirection( dir ) { + + // dir is assumed to be normalized + + if ( dir.y > 0.99999 ) { + + this.quaternion.set( 0, 0, 0, 1 ); + + } else if ( dir.y < - 0.99999 ) { + + this.quaternion.set( 1, 0, 0, 0 ); + + } else { + + axis.set( dir.z, 0, - dir.x ).normalize(); + + radians = Math.acos( dir.y ); + + this.quaternion.setFromAxisAngle( axis, radians ); + + } + + }; + + }() ); + + ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { + + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; + + this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); + this.line.updateMatrix(); + + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); + + }; + + ArrowHelper.prototype.setColor = function ( color ) { + + this.line.material.color.copy( color ); + this.cone.material.color.copy( color ); + + }; + + /** + * @author sroucheray / http://sroucheray.org/ + * @author mrdoob / http://mrdoob.com/ + */ + + function AxisHelper( size ) { + + size = size || 1; + + var vertices = new Float32Array( [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ] ); + + var colors = new Float32Array( [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ] ); + + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); + + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + + LineSegments.call( this, geometry, material ); + + } + + AxisHelper.prototype = Object.create( LineSegments.prototype ); + AxisHelper.prototype.constructor = AxisHelper; + + /** + * @author zz85 https://github.com/zz85 + * + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ + + var CatmullRomCurve3 = ( function() { + + var + tmp = new Vector3(), + px = new CubicPoly(), + py = new CubicPoly(), + pz = new CubicPoly(); + + /* + Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM + + This CubicPoly class could be used for reusing some variables and calculations, + but for three.js curve use, it could be possible inlined and flatten into a single function call + which can be placed in CurveUtils. + */ + + function CubicPoly() {} + + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + CubicPoly.prototype.init = function( x0, x1, t0, t1 ) { + + this.c0 = x0; + this.c1 = t0; + this.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + this.c3 = 2 * x0 - 2 * x1 + t0 + t1; + + }; + + CubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) { + + // compute tangents when parameterized in [t1,t2] + var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; + + // initCubicPoly + this.init( x1, x2, t1, t2 ); + + }; + + // standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4 + CubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) { + + this.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + + }; + + CubicPoly.prototype.calc = function( t ) { + + var t2 = t * t; + var t3 = t2 * t; + return this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3; + + }; + + // Subclass Three.js curve + return Curve.create( + + function ( p /* array of Vector3 */ ) { + + this.points = p || []; + this.closed = false; + + }, + + function ( t ) { + + var points = this.points, + point, intPoint, weight, l; + + l = points.length; + + if ( l < 2 ) console.log( 'duh, you need at least 2 points' ); + + point = ( l - ( this.closed ? 0 : 1 ) ) * t; + intPoint = Math.floor( point ); + weight = point - intPoint; + + if ( this.closed ) { + + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length; + + } else if ( weight === 0 && intPoint === l - 1 ) { + + intPoint = l - 2; + weight = 1; + + } + + var p0, p1, p2, p3; // 4 points + + if ( this.closed || intPoint > 0 ) { + + p0 = points[ ( intPoint - 1 ) % l ]; + + } else { + + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; + + } + + p1 = points[ intPoint % l ]; + p2 = points[ ( intPoint + 1 ) % l ]; + + if ( this.closed || intPoint + 2 < l ) { + + p3 = points[ ( intPoint + 2 ) % l ]; + + } else { + + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; + + } + + if ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) { + + // init Centripetal / Chordal Catmull-Rom + var pow = this.type === 'chordal' ? 0.5 : 0.25; + var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; + + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + + } else if ( this.type === 'catmullrom' ) { + + var tension = this.tension !== undefined ? this.tension : 0.5; + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension ); + + } + + var v = new Vector3( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); + + return v; + + } + + ); + + } )(); + + /************************************************************** + * Closed Spline 3D curve + **************************************************************/ + + + function ClosedSplineCurve3( points ) { + + console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' ); + + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + this.closed = true; + + } + + ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); + + /************************************************************** + * Spline 3D curve + **************************************************************/ + + + var SplineCurve3 = Curve.create( + + function ( points /* array of Vector3 */ ) { + + console.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' ); + this.points = ( points === undefined ) ? [] : points; + + }, + + function ( t ) { + + var points = this.points; + var point = ( points.length - 1 ) * t; + + var intPoint = Math.floor( point ); + var weight = point - intPoint; + + var point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + + var interpolate = CurveUtils.interpolate; + + return new Vector3( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ), + interpolate( point0.z, point1.z, point2.z, point3.z, weight ) + ); + + } + + ); + + /************************************************************** + * Cubic Bezier 3D curve + **************************************************************/ + + var CubicBezierCurve3 = Curve.create( + + function ( v0, v1, v2, v3 ) { + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + }, + + function ( t ) { + + var b3 = ShapeUtils.b3; + + return new Vector3( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ), + b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z ) + ); + + } + + ); + + /************************************************************** + * Quadratic Bezier 3D curve + **************************************************************/ + + var QuadraticBezierCurve3 = Curve.create( + + function ( v0, v1, v2 ) { + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + }, + + function ( t ) { + + var b2 = ShapeUtils.b2; + + return new Vector3( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ), + b2( t, this.v0.z, this.v1.z, this.v2.z ) + ); + + } + + ); + + /************************************************************** + * Line3D + **************************************************************/ + + var LineCurve3 = Curve.create( + + function ( v1, v2 ) { + + this.v1 = v1; + this.v2 = v2; + + }, + + function ( t ) { + + if ( t === 1 ) { + + return this.v2.clone(); + + } + + var vector = new Vector3(); + + vector.subVectors( this.v2, this.v1 ); // diff + vector.multiplyScalar( t ); + vector.add( this.v1 ); + + return vector; + + } + + ); + + /************************************************************** + * Arc curve + **************************************************************/ + + function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + } + + ArcCurve.prototype = Object.create( EllipseCurve.prototype ); + ArcCurve.prototype.constructor = ArcCurve; + + /** + * @author alteredq / http://alteredqualia.com/ + */ + + var SceneUtils = { + + createMultiMaterialObject: function ( geometry, materials ) { + + var group = new Group(); + + for ( var i = 0, l = materials.length; i < l; i ++ ) { + + group.add( new Mesh( geometry, materials[ i ] ) ); + + } + + return group; + + }, + + detach: function ( child, parent, scene ) { + + child.applyMatrix( parent.matrixWorld ); + parent.remove( child ); + scene.add( child ); + + }, + + attach: function ( child, scene, parent ) { + + var matrixWorldInverse = new Matrix4(); + matrixWorldInverse.getInverse( parent.matrixWorld ); + child.applyMatrix( matrixWorldInverse ); + + scene.remove( child ); + parent.add( child ); + + } + + }; + + /** + * @author mrdoob / http://mrdoob.com/ + */ + + function Face4 ( a, b, c, d, normal, color, materialIndex ) { + console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); + return new Face3( a, b, c, normal, color, materialIndex ); + } + + var LineStrip = 0; + + var LinePieces = 1; + + function PointCloud ( geometry, material ) { + console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } + + function ParticleSystem ( geometry, material ) { + console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } + + function PointCloudMaterial ( parameters ) { + console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } + + function ParticleBasicMaterial ( parameters ) { + console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } + + function ParticleSystemMaterial ( parameters ) { + console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } + + function Vertex ( x, y, z ) { + console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); + return new Vector3( x, y, z ); + } + + // + + function EdgesHelper( object, hex ) { + console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); + return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } + + function WireframeHelper( object, hex ) { + console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); + return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } + + // + + Object.assign( Box2.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); + + Object.assign( Box3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); + + Object.assign( Line3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + } + } ); + + Object.assign( Matrix3.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); + return vector.applyMatrix3( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + } + } ); + + Object.assign( Matrix4.prototype, { + extractPosition: function ( m ) { + console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); + return this.copyPosition( m ); + }, + setRotationFromQuaternion: function ( q ) { + console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); + return this.makeRotationFromQuaternion( q ); + }, + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' ); + return vector.applyProjection( this ); + }, + multiplyVector4: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + }, + rotateAxis: function ( v ) { + console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); + v.transformDirection( this ); + }, + crossVector: function ( vector ) { + console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + translate: function ( v ) { + console.error( 'THREE.Matrix4: .translate() has been removed.' ); + }, + rotateX: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); + }, + rotateY: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); + }, + rotateZ: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); + }, + rotateByAxis: function ( axis, angle ) { + console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); + } + } ); + + Object.assign( Plane.prototype, { + isIntersectionLine: function ( line ) { + console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); + return this.intersectsLine( line ); + } + } ); + + Object.assign( Quaternion.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); + return vector.applyQuaternion( this ); + } + } ); + + Object.assign( Ray.prototype, { + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionPlane: function ( plane ) { + console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); + return this.intersectsPlane( plane ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + } + } ); + + Object.assign( Shape.prototype, { + extrude: function ( options ) { + console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); + return new ExtrudeGeometry( this, options ); + }, + makeGeometry: function ( options ) { + console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); + return new ShapeGeometry( this, options ); + } + } ); + + Object.assign( Vector3.prototype, { + setEulerFromRotationMatrix: function () { + console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); + }, + setEulerFromQuaternion: function () { + console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); + }, + getPositionFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); + return this.setFromMatrixPosition( m ); + }, + getScaleFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); + return this.setFromMatrixScale( m ); + }, + getColumnFromMatrix: function ( index, matrix ) { + console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); + return this.setFromMatrixColumn( matrix, index ); + } + } ); + + // + + Object.assign( Object3D.prototype, { + getChildByName: function ( name ) { + console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); + return this.getObjectByName( name ); + }, + renderDepth: function ( value ) { + console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); + }, + translate: function ( distance, axis ) { + console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); + return this.translateOnAxis( axis, distance ); + } + } ); + + Object.defineProperties( Object3D.prototype, { + eulerOrder: { + get: function () { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + return this.rotation.order; + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + this.rotation.order = value; + } + }, + useQuaternion: { + get: function () { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + } + } + } ); + + Object.defineProperties( LOD.prototype, { + objects: { + get: function () { + console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); + return this.levels; + } + } + } ); + + // + + PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { + + console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + + "Use .setFocalLength and .filmGauge for a photographic setup." ); + + if ( filmGauge !== undefined ) this.filmGauge = filmGauge; + this.setFocalLength( focalLength ); + + }; + + // + + Object.defineProperties( Light.prototype, { + onlyShadow: { + set: function ( value ) { + console.warn( 'THREE.Light: .onlyShadow has been removed.' ); + } + }, + shadowCameraFov: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); + this.shadow.camera.fov = value; + } + }, + shadowCameraLeft: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); + this.shadow.camera.left = value; + } + }, + shadowCameraRight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); + this.shadow.camera.right = value; + } + }, + shadowCameraTop: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); + this.shadow.camera.top = value; + } + }, + shadowCameraBottom: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); + this.shadow.camera.bottom = value; + } + }, + shadowCameraNear: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); + this.shadow.camera.near = value; + } + }, + shadowCameraFar: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); + this.shadow.camera.far = value; + } + }, + shadowCameraVisible: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); + } + }, + shadowBias: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); + this.shadow.bias = value; + } + }, + shadowDarkness: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); + } + }, + shadowMapWidth: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); + this.shadow.mapSize.width = value; + } + }, + shadowMapHeight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); + this.shadow.mapSize.height = value; + } + } + } ); + + // + + Object.defineProperties( BufferAttribute.prototype, { + length: { + get: function () { + console.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' ); + return this.array.length; + } + } + } ); + + Object.assign( BufferGeometry.prototype, { + addIndex: function ( index ) { + console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); + this.setIndex( index ); + }, + addDrawCall: function ( start, count, indexOffset ) { + if ( indexOffset !== undefined ) { + console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); + } + console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); + this.addGroup( start, count ); + }, + clearDrawCalls: function () { + console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); + this.clearGroups(); + }, + computeTangents: function () { + console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); + }, + computeOffsets: function () { + console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); + } + } ); + + Object.defineProperties( BufferGeometry.prototype, { + drawcalls: { + get: function () { + console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); + return this.groups; + } + }, + offsets: { + get: function () { + console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); + return this.groups; + } + } + } ); + + // + + Object.defineProperties( Material.prototype, { + wrapAround: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + }, + set: function ( value ) { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + } + }, + wrapRGB: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' ); + return new Color(); + } + } + } ); + + Object.defineProperties( MeshPhongMaterial.prototype, { + metal: { + get: function () { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); + return false; + }, + set: function ( value ) { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); + } + } + } ); + + Object.defineProperties( ShaderMaterial.prototype, { + derivatives: { + get: function () { + console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + return this.extensions.derivatives; + }, + set: function ( value ) { + console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + this.extensions.derivatives = value; + } + } + } ); + + // + + EventDispatcher.prototype = Object.assign( Object.create( { + + // Note: Extra base ensures these properties are not 'assign'ed. + + constructor: EventDispatcher, + + apply: function ( target ) { + + console.warn( "THREE.EventDispatcher: .apply is deprecated, " + + "just inherit or Object.assign the prototype to mix-in." ); + + Object.assign( target, this ); + + } + + } ), EventDispatcher.prototype ); + + // + + Object.defineProperties( Uniform.prototype, { + dynamic: { + set: function ( value ) { + console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); + } + }, + onUpdate: { + value: function () { + console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); + return this; + } + } + } ); + + // + + Object.assign( WebGLRenderer.prototype, { + supportsFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); + return this.extensions.get( 'OES_texture_float' ); + }, + supportsHalfFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); + return this.extensions.get( 'OES_texture_half_float' ); + }, + supportsStandardDerivatives: function () { + console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); + return this.extensions.get( 'OES_standard_derivatives' ); + }, + supportsCompressedTextureS3TC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); + }, + supportsCompressedTexturePVRTC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + }, + supportsBlendMinMax: function () { + console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); + return this.extensions.get( 'EXT_blend_minmax' ); + }, + supportsVertexTextures: function () { + return this.capabilities.vertexTextures; + }, + supportsInstancedArrays: function () { + console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); + return this.extensions.get( 'ANGLE_instanced_arrays' ); + }, + enableScissorTest: function ( boolean ) { + console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); + this.setScissorTest( boolean ); + }, + initMaterial: function () { + console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); + }, + addPrePlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); + }, + addPostPlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); + }, + updateShadowMap: function () { + console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); + } + } ); + + Object.defineProperties( WebGLRenderer.prototype, { + shadowMapEnabled: { + get: function () { + return this.shadowMap.enabled; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); + this.shadowMap.enabled = value; + } + }, + shadowMapType: { + get: function () { + return this.shadowMap.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); + this.shadowMap.type = value; + } + }, + shadowMapCullFace: { + get: function () { + return this.shadowMap.cullFace; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' ); + this.shadowMap.cullFace = value; + } + } + } ); + + Object.defineProperties( WebGLShadowMap.prototype, { + cullFace: { + get: function () { + return this.renderReverseSided ? CullFaceFront : CullFaceBack; + }, + set: function ( cullFace ) { + var value = ( cullFace !== CullFaceBack ); + console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." ); + this.renderReverseSided = value; + } + } + } ); + + // + + Object.defineProperties( WebGLRenderTarget.prototype, { + wrapS: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + return this.texture.wrapS; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + this.texture.wrapS = value; + } + }, + wrapT: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + return this.texture.wrapT; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + this.texture.wrapT = value; + } + }, + magFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + return this.texture.magFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + this.texture.magFilter = value; + } + }, + minFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + return this.texture.minFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + this.texture.minFilter = value; + } + }, + anisotropy: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + return this.texture.anisotropy; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + this.texture.anisotropy = value; + } + }, + offset: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + return this.texture.offset; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + this.texture.offset = value; + } + }, + repeat: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + return this.texture.repeat; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + this.texture.repeat = value; + } + }, + format: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + return this.texture.format; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + this.texture.format = value; + } + }, + type: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + return this.texture.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + this.texture.type = value; + } + }, + generateMipmaps: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + return this.texture.generateMipmaps; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + this.texture.generateMipmaps = value; + } + } + } ); + + // + + Object.assign( Audio.prototype, { + load: function ( file ) { + console.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' ); + var scope = this; + var audioLoader = new AudioLoader(); + audioLoader.load( file, function ( buffer ) { + scope.setBuffer( buffer ); + } ); + return this; + } + } ); + + Object.assign( AudioAnalyser.prototype, { + getData: function ( file ) { + console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); + return this.getFrequencyData(); + } + } ); + + // + + var GeometryUtils = { + + merge: function ( geometry1, geometry2, materialIndexOffset ) { + + console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); + + var matrix; + + if ( geometry2.isMesh ) { + + geometry2.matrixAutoUpdate && geometry2.updateMatrix(); + + matrix = geometry2.matrix; + geometry2 = geometry2.geometry; + + } + + geometry1.merge( geometry2, matrix, materialIndexOffset ); + + }, + + center: function ( geometry ) { + + console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); + return geometry.center(); + + } + + }; + + var ImageUtils = { + + crossOrigin: undefined, + + loadTexture: function ( url, mapping, onLoad, onError ) { + + console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); + + var loader = new TextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); + + var texture = loader.load( url, onLoad, undefined, onError ); + + if ( mapping ) texture.mapping = mapping; + + return texture; + + }, + + loadTextureCube: function ( urls, mapping, onLoad, onError ) { + + console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); + + var loader = new CubeTextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); + + var texture = loader.load( urls, onLoad, undefined, onError ); + + if ( mapping ) texture.mapping = mapping; + + return texture; + + }, + + loadCompressedTexture: function () { + + console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); + + }, + + loadCompressedTextureCube: function () { + + console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); + + } + + }; + + // + + function Projector () { + + console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' ); + + this.projectVector = function ( vector, camera ) { + + console.warn( 'THREE.Projector: .projectVector() is now vector.project().' ); + vector.project( camera ); + + }; + + this.unprojectVector = function ( vector, camera ) { + + console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' ); + vector.unproject( camera ); + + }; + + this.pickingRay = function ( vector, camera ) { + + console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' ); + + }; + + } + + // + + function CanvasRenderer () { + + console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' ); + + this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + this.clear = function () {}; + this.render = function () {}; + this.setClearColor = function () {}; + this.setSize = function () {}; + + } + + exports.WebGLRenderTargetCube = WebGLRenderTargetCube; + exports.WebGLRenderTarget = WebGLRenderTarget; + exports.WebGLRenderer = WebGLRenderer; + exports.ShaderLib = ShaderLib; + exports.UniformsLib = UniformsLib; + exports.UniformsUtils = UniformsUtils; + exports.ShaderChunk = ShaderChunk; + exports.FogExp2 = FogExp2; + exports.Fog = Fog; + exports.Scene = Scene; + exports.LensFlare = LensFlare; + exports.Sprite = Sprite; + exports.LOD = LOD; + exports.SkinnedMesh = SkinnedMesh; + exports.Skeleton = Skeleton; + exports.Bone = Bone; + exports.Mesh = Mesh; + exports.LineSegments = LineSegments; + exports.Line = Line; + exports.Points = Points; + exports.Group = Group; + exports.VideoTexture = VideoTexture; + exports.DataTexture = DataTexture; + exports.CompressedTexture = CompressedTexture; + exports.CubeTexture = CubeTexture; + exports.CanvasTexture = CanvasTexture; + exports.DepthTexture = DepthTexture; + exports.TextureIdCount = TextureIdCount; + exports.Texture = Texture; + exports.MaterialIdCount = MaterialIdCount; + exports.CompressedTextureLoader = CompressedTextureLoader; + exports.BinaryTextureLoader = BinaryTextureLoader; + exports.DataTextureLoader = DataTextureLoader; + exports.CubeTextureLoader = CubeTextureLoader; + exports.TextureLoader = TextureLoader; + exports.ObjectLoader = ObjectLoader; + exports.MaterialLoader = MaterialLoader; + exports.BufferGeometryLoader = BufferGeometryLoader; + exports.DefaultLoadingManager = DefaultLoadingManager; + exports.LoadingManager = LoadingManager; + exports.JSONLoader = JSONLoader; + exports.ImageLoader = ImageLoader; + exports.FontLoader = FontLoader; + exports.XHRLoader = XHRLoader; + exports.Loader = Loader; + exports.Cache = Cache; + exports.AudioLoader = AudioLoader; + exports.SpotLightShadow = SpotLightShadow; + exports.SpotLight = SpotLight; + exports.PointLight = PointLight; + exports.HemisphereLight = HemisphereLight; + exports.DirectionalLightShadow = DirectionalLightShadow; + exports.DirectionalLight = DirectionalLight; + exports.AmbientLight = AmbientLight; + exports.LightShadow = LightShadow; + exports.Light = Light; + exports.StereoCamera = StereoCamera; + exports.PerspectiveCamera = PerspectiveCamera; + exports.OrthographicCamera = OrthographicCamera; + exports.CubeCamera = CubeCamera; + exports.Camera = Camera; + exports.AudioListener = AudioListener; + exports.PositionalAudio = PositionalAudio; + exports.getAudioContext = getAudioContext; + exports.AudioAnalyser = AudioAnalyser; + exports.Audio = Audio; + exports.VectorKeyframeTrack = VectorKeyframeTrack; + exports.StringKeyframeTrack = StringKeyframeTrack; + exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack; + exports.NumberKeyframeTrack = NumberKeyframeTrack; + exports.ColorKeyframeTrack = ColorKeyframeTrack; + exports.BooleanKeyframeTrack = BooleanKeyframeTrack; + exports.PropertyMixer = PropertyMixer; + exports.PropertyBinding = PropertyBinding; + exports.KeyframeTrack = KeyframeTrack; + exports.AnimationUtils = AnimationUtils; + exports.AnimationObjectGroup = AnimationObjectGroup; + exports.AnimationMixer = AnimationMixer; + exports.AnimationClip = AnimationClip; + exports.Uniform = Uniform; + exports.InstancedBufferGeometry = InstancedBufferGeometry; + exports.BufferGeometry = BufferGeometry; + exports.GeometryIdCount = GeometryIdCount; + exports.Geometry = Geometry; + exports.InterleavedBufferAttribute = InterleavedBufferAttribute; + exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer; + exports.InterleavedBuffer = InterleavedBuffer; + exports.InstancedBufferAttribute = InstancedBufferAttribute; + exports.DynamicBufferAttribute = DynamicBufferAttribute; + exports.Float64Attribute = Float64Attribute; + exports.Float32Attribute = Float32Attribute; + exports.Uint32Attribute = Uint32Attribute; + exports.Int32Attribute = Int32Attribute; + exports.Uint16Attribute = Uint16Attribute; + exports.Int16Attribute = Int16Attribute; + exports.Uint8ClampedAttribute = Uint8ClampedAttribute; + exports.Uint8Attribute = Uint8Attribute; + exports.Int8Attribute = Int8Attribute; + exports.BufferAttribute = BufferAttribute; + exports.Face3 = Face3; + exports.Object3DIdCount = Object3DIdCount; + exports.Object3D = Object3D; + exports.Raycaster = Raycaster; + exports.Layers = Layers; + exports.EventDispatcher = EventDispatcher; + exports.Clock = Clock; + exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant; + exports.LinearInterpolant = LinearInterpolant; + exports.DiscreteInterpolant = DiscreteInterpolant; + exports.CubicInterpolant = CubicInterpolant; + exports.Interpolant = Interpolant; + exports.Triangle = Triangle; + exports.Spline = Spline; + exports.Math = _Math; + exports.Spherical = Spherical; + exports.Plane = Plane; + exports.Frustum = Frustum; + exports.Sphere = Sphere; + exports.Ray = Ray; + exports.Matrix4 = Matrix4; + exports.Matrix3 = Matrix3; + exports.Box3 = Box3; + exports.Box2 = Box2; + exports.Line3 = Line3; + exports.Euler = Euler; + exports.Vector4 = Vector4; + exports.Vector3 = Vector3; + exports.Vector2 = Vector2; + exports.Quaternion = Quaternion; + exports.ColorKeywords = ColorKeywords; + exports.Color = Color; + exports.MorphBlendMesh = MorphBlendMesh; + exports.ImmediateRenderObject = ImmediateRenderObject; + exports.VertexNormalsHelper = VertexNormalsHelper; + exports.SpotLightHelper = SpotLightHelper; + exports.SkeletonHelper = SkeletonHelper; + exports.PointLightHelper = PointLightHelper; + exports.HemisphereLightHelper = HemisphereLightHelper; + exports.GridHelper = GridHelper; + exports.FaceNormalsHelper = FaceNormalsHelper; + exports.DirectionalLightHelper = DirectionalLightHelper; + exports.CameraHelper = CameraHelper; + exports.BoundingBoxHelper = BoundingBoxHelper; + exports.BoxHelper = BoxHelper; + exports.ArrowHelper = ArrowHelper; + exports.AxisHelper = AxisHelper; + exports.ClosedSplineCurve3 = ClosedSplineCurve3; + exports.CatmullRomCurve3 = CatmullRomCurve3; + exports.SplineCurve3 = SplineCurve3; + exports.CubicBezierCurve3 = CubicBezierCurve3; + exports.QuadraticBezierCurve3 = QuadraticBezierCurve3; + exports.LineCurve3 = LineCurve3; + exports.ArcCurve = ArcCurve; + exports.EllipseCurve = EllipseCurve; + exports.SplineCurve = SplineCurve; + exports.CubicBezierCurve = CubicBezierCurve; + exports.QuadraticBezierCurve = QuadraticBezierCurve; + exports.LineCurve = LineCurve; + exports.Shape = Shape; + exports.ShapePath = ShapePath; + exports.Path = Path; + exports.Font = Font; + exports.CurvePath = CurvePath; + exports.Curve = Curve; + exports.ShapeUtils = ShapeUtils; + exports.SceneUtils = SceneUtils; + exports.CurveUtils = CurveUtils; + exports.WireframeGeometry = WireframeGeometry; + exports.ParametricGeometry = ParametricGeometry; + exports.ParametricBufferGeometry = ParametricBufferGeometry; + exports.TetrahedronGeometry = TetrahedronGeometry; + exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry; + exports.OctahedronGeometry = OctahedronGeometry; + exports.OctahedronBufferGeometry = OctahedronBufferGeometry; + exports.IcosahedronGeometry = IcosahedronGeometry; + exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry; + exports.DodecahedronGeometry = DodecahedronGeometry; + exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry; + exports.PolyhedronGeometry = PolyhedronGeometry; + exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry; + exports.TubeGeometry = TubeGeometry; + exports.TubeBufferGeometry = TubeBufferGeometry; + exports.TorusKnotGeometry = TorusKnotGeometry; + exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry; + exports.TorusGeometry = TorusGeometry; + exports.TorusBufferGeometry = TorusBufferGeometry; + exports.TextGeometry = TextGeometry; + exports.SphereBufferGeometry = SphereBufferGeometry; + exports.SphereGeometry = SphereGeometry; + exports.RingGeometry = RingGeometry; + exports.RingBufferGeometry = RingBufferGeometry; + exports.PlaneBufferGeometry = PlaneBufferGeometry; + exports.PlaneGeometry = PlaneGeometry; + exports.LatheGeometry = LatheGeometry; + exports.LatheBufferGeometry = LatheBufferGeometry; + exports.ShapeGeometry = ShapeGeometry; + exports.ExtrudeGeometry = ExtrudeGeometry; + exports.EdgesGeometry = EdgesGeometry; + exports.ConeGeometry = ConeGeometry; + exports.ConeBufferGeometry = ConeBufferGeometry; + exports.CylinderGeometry = CylinderGeometry; + exports.CylinderBufferGeometry = CylinderBufferGeometry; + exports.CircleBufferGeometry = CircleBufferGeometry; + exports.CircleGeometry = CircleGeometry; + exports.BoxBufferGeometry = BoxBufferGeometry; + exports.BoxGeometry = BoxGeometry; + exports.ShadowMaterial = ShadowMaterial; + exports.SpriteMaterial = SpriteMaterial; + exports.RawShaderMaterial = RawShaderMaterial; + exports.ShaderMaterial = ShaderMaterial; + exports.PointsMaterial = PointsMaterial; + exports.MultiMaterial = MultiMaterial; + exports.MeshPhysicalMaterial = MeshPhysicalMaterial; + exports.MeshStandardMaterial = MeshStandardMaterial; + exports.MeshPhongMaterial = MeshPhongMaterial; + exports.MeshNormalMaterial = MeshNormalMaterial; + exports.MeshLambertMaterial = MeshLambertMaterial; + exports.MeshDepthMaterial = MeshDepthMaterial; + exports.MeshBasicMaterial = MeshBasicMaterial; + exports.LineDashedMaterial = LineDashedMaterial; + exports.LineBasicMaterial = LineBasicMaterial; + exports.Material = Material; + exports.REVISION = REVISION; + exports.MOUSE = MOUSE; + exports.CullFaceNone = CullFaceNone; + exports.CullFaceBack = CullFaceBack; + exports.CullFaceFront = CullFaceFront; + exports.CullFaceFrontBack = CullFaceFrontBack; + exports.FrontFaceDirectionCW = FrontFaceDirectionCW; + exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; + exports.BasicShadowMap = BasicShadowMap; + exports.PCFShadowMap = PCFShadowMap; + exports.PCFSoftShadowMap = PCFSoftShadowMap; + exports.FrontSide = FrontSide; + exports.BackSide = BackSide; + exports.DoubleSide = DoubleSide; + exports.FlatShading = FlatShading; + exports.SmoothShading = SmoothShading; + exports.NoColors = NoColors; + exports.FaceColors = FaceColors; + exports.VertexColors = VertexColors; + exports.NoBlending = NoBlending; + exports.NormalBlending = NormalBlending; + exports.AdditiveBlending = AdditiveBlending; + exports.SubtractiveBlending = SubtractiveBlending; + exports.MultiplyBlending = MultiplyBlending; + exports.CustomBlending = CustomBlending; + exports.BlendingMode = BlendingMode; + exports.AddEquation = AddEquation; + exports.SubtractEquation = SubtractEquation; + exports.ReverseSubtractEquation = ReverseSubtractEquation; + exports.MinEquation = MinEquation; + exports.MaxEquation = MaxEquation; + exports.ZeroFactor = ZeroFactor; + exports.OneFactor = OneFactor; + exports.SrcColorFactor = SrcColorFactor; + exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; + exports.SrcAlphaFactor = SrcAlphaFactor; + exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; + exports.DstAlphaFactor = DstAlphaFactor; + exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; + exports.DstColorFactor = DstColorFactor; + exports.OneMinusDstColorFactor = OneMinusDstColorFactor; + exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; + exports.NeverDepth = NeverDepth; + exports.AlwaysDepth = AlwaysDepth; + exports.LessDepth = LessDepth; + exports.LessEqualDepth = LessEqualDepth; + exports.EqualDepth = EqualDepth; + exports.GreaterEqualDepth = GreaterEqualDepth; + exports.GreaterDepth = GreaterDepth; + exports.NotEqualDepth = NotEqualDepth; + exports.MultiplyOperation = MultiplyOperation; + exports.MixOperation = MixOperation; + exports.AddOperation = AddOperation; + exports.NoToneMapping = NoToneMapping; + exports.LinearToneMapping = LinearToneMapping; + exports.ReinhardToneMapping = ReinhardToneMapping; + exports.Uncharted2ToneMapping = Uncharted2ToneMapping; + exports.CineonToneMapping = CineonToneMapping; + exports.UVMapping = UVMapping; + exports.CubeReflectionMapping = CubeReflectionMapping; + exports.CubeRefractionMapping = CubeRefractionMapping; + exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; + exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; + exports.SphericalReflectionMapping = SphericalReflectionMapping; + exports.CubeUVReflectionMapping = CubeUVReflectionMapping; + exports.CubeUVRefractionMapping = CubeUVRefractionMapping; + exports.TextureMapping = TextureMapping; + exports.RepeatWrapping = RepeatWrapping; + exports.ClampToEdgeWrapping = ClampToEdgeWrapping; + exports.MirroredRepeatWrapping = MirroredRepeatWrapping; + exports.TextureWrapping = TextureWrapping; + exports.NearestFilter = NearestFilter; + exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; + exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; + exports.LinearFilter = LinearFilter; + exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; + exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; + exports.TextureFilter = TextureFilter; + exports.UnsignedByteType = UnsignedByteType; + exports.ByteType = ByteType; + exports.ShortType = ShortType; + exports.UnsignedShortType = UnsignedShortType; + exports.IntType = IntType; + exports.UnsignedIntType = UnsignedIntType; + exports.FloatType = FloatType; + exports.HalfFloatType = HalfFloatType; + exports.UnsignedShort4444Type = UnsignedShort4444Type; + exports.UnsignedShort5551Type = UnsignedShort5551Type; + exports.UnsignedShort565Type = UnsignedShort565Type; + exports.UnsignedInt248Type = UnsignedInt248Type; + exports.AlphaFormat = AlphaFormat; + exports.RGBFormat = RGBFormat; + exports.RGBAFormat = RGBAFormat; + exports.LuminanceFormat = LuminanceFormat; + exports.LuminanceAlphaFormat = LuminanceAlphaFormat; + exports.RGBEFormat = RGBEFormat; + exports.DepthFormat = DepthFormat; + exports.DepthStencilFormat = DepthStencilFormat; + exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; + exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; + exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; + exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; + exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; + exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; + exports.RGB_ETC1_Format = RGB_ETC1_Format; + exports.LoopOnce = LoopOnce; + exports.LoopRepeat = LoopRepeat; + exports.LoopPingPong = LoopPingPong; + exports.InterpolateDiscrete = InterpolateDiscrete; + exports.InterpolateLinear = InterpolateLinear; + exports.InterpolateSmooth = InterpolateSmooth; + exports.ZeroCurvatureEnding = ZeroCurvatureEnding; + exports.ZeroSlopeEnding = ZeroSlopeEnding; + exports.WrapAroundEnding = WrapAroundEnding; + exports.TrianglesDrawMode = TrianglesDrawMode; + exports.TriangleStripDrawMode = TriangleStripDrawMode; + exports.TriangleFanDrawMode = TriangleFanDrawMode; + exports.LinearEncoding = LinearEncoding; + exports.sRGBEncoding = sRGBEncoding; + exports.GammaEncoding = GammaEncoding; + exports.RGBEEncoding = RGBEEncoding; + exports.LogLuvEncoding = LogLuvEncoding; + exports.RGBM7Encoding = RGBM7Encoding; + exports.RGBM16Encoding = RGBM16Encoding; + exports.RGBDEncoding = RGBDEncoding; + exports.BasicDepthPacking = BasicDepthPacking; + exports.RGBADepthPacking = RGBADepthPacking; + exports.CubeGeometry = BoxGeometry; + exports.Face4 = Face4; + exports.LineStrip = LineStrip; + exports.LinePieces = LinePieces; + exports.MeshFaceMaterial = MultiMaterial; + exports.PointCloud = PointCloud; + exports.Particle = Sprite; + exports.ParticleSystem = ParticleSystem; + exports.PointCloudMaterial = PointCloudMaterial; + exports.ParticleBasicMaterial = ParticleBasicMaterial; + exports.ParticleSystemMaterial = ParticleSystemMaterial; + exports.Vertex = Vertex; + exports.EdgesHelper = EdgesHelper; + exports.WireframeHelper = WireframeHelper; + exports.GeometryUtils = GeometryUtils; + exports.ImageUtils = ImageUtils; + exports.Projector = Projector; + exports.CanvasRenderer = CanvasRenderer; + + Object.defineProperty(exports, '__esModule', { value: true }); + + Object.defineProperty( exports, 'AudioContext', { + get: function () { + return exports.getAudioContext(); + } + }); + + }))); + + +/***/ }, +/* 7 */ +/***/ function(module, exports) { + + module.exports = function( THREE ) { + /** + * @author qiao / https://github.com/qiao + * @author mrdoob / http://mrdoob.com + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author erich666 / http://erichaines.com + */ + + // This set of controls performs orbiting, dollying (zooming), and panning. + // Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default). + // + // Orbit - left mouse / touch: one finger move + // Zoom - middle mouse, or mousewheel / touch: two finger spread or squish + // Pan - right mouse, or arrow keys / touch: three finter swipe + + function OrbitControls( object, domElement ) { + + this.object = object; + + this.domElement = ( domElement !== undefined ) ? domElement : document; + + // Set to false to disable this control + this.enabled = true; + + // "target" sets the location of focus, where the object orbits around + this.target = new THREE.Vector3(); + + // How far you can dolly in and out ( PerspectiveCamera only ) + this.minDistance = 0; + this.maxDistance = Infinity; + + // How far you can zoom in and out ( OrthographicCamera only ) + this.minZoom = 0; + this.maxZoom = Infinity; + + // How far you can orbit vertically, upper and lower limits. + // Range is 0 to Math.PI radians. + this.minPolarAngle = 0; // radians + this.maxPolarAngle = Math.PI; // radians + + // How far you can orbit horizontally, upper and lower limits. + // If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ]. + this.minAzimuthAngle = - Infinity; // radians + this.maxAzimuthAngle = Infinity; // radians + + // Set to true to enable damping (inertia) + // If damping is enabled, you must call controls.update() in your animation loop + this.enableDamping = false; + this.dampingFactor = 0.25; + + // This option actually enables dollying in and out; left as "zoom" for backwards compatibility. + // Set to false to disable zooming + this.enableZoom = true; + this.zoomSpeed = 1.0; + + // Set to false to disable rotating + this.enableRotate = true; + this.rotateSpeed = 1.0; + + // Set to false to disable panning + this.enablePan = true; + this.keyPanSpeed = 7.0; // pixels moved per arrow key push + + // Set to true to automatically rotate around the target + // If auto-rotate is enabled, you must call controls.update() in your animation loop + this.autoRotate = false; + this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60 + + // Set to false to disable use of the keys + this.enableKeys = true; + + // The four arrow keys + this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 }; + + // Mouse buttons + this.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT }; + + // for reset + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.zoom0 = this.object.zoom; + + // + // public methods + // + + this.getPolarAngle = function () { + + return spherical.phi; + + }; + + this.getAzimuthalAngle = function () { + + return spherical.theta; + + }; + + this.reset = function () { + + scope.target.copy( scope.target0 ); + scope.object.position.copy( scope.position0 ); + scope.object.zoom = scope.zoom0; + + scope.object.updateProjectionMatrix(); + scope.dispatchEvent( changeEvent ); + + scope.update(); + + state = STATE.NONE; + + }; + + // this method is exposed, but perhaps it would be better if we can make it private... + this.update = function() { + + var offset = new THREE.Vector3(); + + // so camera.up is the orbit axis + var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) ); + var quatInverse = quat.clone().inverse(); + + var lastPosition = new THREE.Vector3(); + var lastQuaternion = new THREE.Quaternion(); + + return function update () { + + var position = scope.object.position; + + offset.copy( position ).sub( scope.target ); + + // rotate offset to "y-axis-is-up" space + offset.applyQuaternion( quat ); + + // angle from z-axis around y-axis + spherical.setFromVector3( offset ); + + if ( scope.autoRotate && state === STATE.NONE ) { + + rotateLeft( getAutoRotationAngle() ); + + } + + spherical.theta += sphericalDelta.theta; + spherical.phi += sphericalDelta.phi; + + // restrict theta to be between desired limits + spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) ); + + // restrict phi to be between desired limits + spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) ); + + spherical.makeSafe(); + + + spherical.radius *= scale; + + // restrict radius to be between desired limits + spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) ); + + // move target to panned location + scope.target.add( panOffset ); + + offset.setFromSpherical( spherical ); + + // rotate offset back to "camera-up-vector-is-up" space + offset.applyQuaternion( quatInverse ); + + position.copy( scope.target ).add( offset ); + + scope.object.lookAt( scope.target ); + + if ( scope.enableDamping === true ) { + + sphericalDelta.theta *= ( 1 - scope.dampingFactor ); + sphericalDelta.phi *= ( 1 - scope.dampingFactor ); + + } else { + + sphericalDelta.set( 0, 0, 0 ); + + } + + scale = 1; + panOffset.set( 0, 0, 0 ); + + // update condition is: + // min(camera displacement, camera rotation in radians)^2 > EPS + // using small-angle approximation cos(x/2) = 1 - x^2 / 8 + + if ( zoomChanged || + lastPosition.distanceToSquared( scope.object.position ) > EPS || + 8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) { + + scope.dispatchEvent( changeEvent ); + + lastPosition.copy( scope.object.position ); + lastQuaternion.copy( scope.object.quaternion ); + zoomChanged = false; + + return true; + + } + + return false; + + }; + + }(); + + this.dispose = function() { + + scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false ); + scope.domElement.removeEventListener( 'mousedown', onMouseDown, false ); + scope.domElement.removeEventListener( 'wheel', onMouseWheel, false ); + + scope.domElement.removeEventListener( 'touchstart', onTouchStart, false ); + scope.domElement.removeEventListener( 'touchend', onTouchEnd, false ); + scope.domElement.removeEventListener( 'touchmove', onTouchMove, false ); + + document.removeEventListener( 'mousemove', onMouseMove, false ); + document.removeEventListener( 'mouseup', onMouseUp, false ); + + window.removeEventListener( 'keydown', onKeyDown, false ); + + //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here? + + }; + + // + // internals + // + + var scope = this; + + var changeEvent = { type: 'change' }; + var startEvent = { type: 'start' }; + var endEvent = { type: 'end' }; + + var STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 }; + + var state = STATE.NONE; + + var EPS = 0.000001; + + // current position in spherical coordinates + var spherical = new THREE.Spherical(); + var sphericalDelta = new THREE.Spherical(); + + var scale = 1; + var panOffset = new THREE.Vector3(); + var zoomChanged = false; + + var rotateStart = new THREE.Vector2(); + var rotateEnd = new THREE.Vector2(); + var rotateDelta = new THREE.Vector2(); + + var panStart = new THREE.Vector2(); + var panEnd = new THREE.Vector2(); + var panDelta = new THREE.Vector2(); + + var dollyStart = new THREE.Vector2(); + var dollyEnd = new THREE.Vector2(); + var dollyDelta = new THREE.Vector2(); + + function getAutoRotationAngle() { + + return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; + + } + + function getZoomScale() { + + return Math.pow( 0.95, scope.zoomSpeed ); + + } + + function rotateLeft( angle ) { + + sphericalDelta.theta -= angle; + + } + + function rotateUp( angle ) { + + sphericalDelta.phi -= angle; + + } + + var panLeft = function() { + + var v = new THREE.Vector3(); + + return function panLeft( distance, objectMatrix ) { + + v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix + v.multiplyScalar( - distance ); + + panOffset.add( v ); + + }; + + }(); + + var panUp = function() { + + var v = new THREE.Vector3(); + + return function panUp( distance, objectMatrix ) { + + v.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix + v.multiplyScalar( distance ); + + panOffset.add( v ); + + }; + + }(); + + // deltaX and deltaY are in pixels; right and down are positive + var pan = function() { + + var offset = new THREE.Vector3(); + + return function pan ( deltaX, deltaY ) { + + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + + if ( scope.object instanceof THREE.PerspectiveCamera ) { + + // perspective + var position = scope.object.position; + offset.copy( position ).sub( scope.target ); + var targetDistance = offset.length(); + + // half of the fov is center to top of screen + targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 ); + + // we actually don't use screenWidth, since perspective camera is fixed to screen height + panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix ); + panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix ); + + } else if ( scope.object instanceof THREE.OrthographicCamera ) { + + // orthographic + panLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix ); + panUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix ); + + } else { + + // camera neither orthographic nor perspective + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); + scope.enablePan = false; + + } + + }; + + }(); + + function dollyIn( dollyScale ) { + + if ( scope.object instanceof THREE.PerspectiveCamera ) { + + scale /= dollyScale; + + } else if ( scope.object instanceof THREE.OrthographicCamera ) { + + scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) ); + scope.object.updateProjectionMatrix(); + zoomChanged = true; + + } else { + + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); + scope.enableZoom = false; + + } + + } + + function dollyOut( dollyScale ) { + + if ( scope.object instanceof THREE.PerspectiveCamera ) { + + scale *= dollyScale; + + } else if ( scope.object instanceof THREE.OrthographicCamera ) { + + scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) ); + scope.object.updateProjectionMatrix(); + zoomChanged = true; + + } else { + + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); + scope.enableZoom = false; + + } + + } + + // + // event callbacks - update the object state + // + + function handleMouseDownRotate( event ) { + + //console.log( 'handleMouseDownRotate' ); + + rotateStart.set( event.clientX, event.clientY ); + + } + + function handleMouseDownDolly( event ) { + + //console.log( 'handleMouseDownDolly' ); + + dollyStart.set( event.clientX, event.clientY ); + + } + + function handleMouseDownPan( event ) { + + //console.log( 'handleMouseDownPan' ); + + panStart.set( event.clientX, event.clientY ); + + } + + function handleMouseMoveRotate( event ) { + + //console.log( 'handleMouseMoveRotate' ); + + rotateEnd.set( event.clientX, event.clientY ); + rotateDelta.subVectors( rotateEnd, rotateStart ); + + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + + // rotating across whole screen goes 360 degrees around + rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); + + // rotating up and down along whole screen attempts to go 360, but limited to 180 + rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); + + rotateStart.copy( rotateEnd ); + + scope.update(); + + } + + function handleMouseMoveDolly( event ) { + + //console.log( 'handleMouseMoveDolly' ); + + dollyEnd.set( event.clientX, event.clientY ); + + dollyDelta.subVectors( dollyEnd, dollyStart ); + + if ( dollyDelta.y > 0 ) { + + dollyIn( getZoomScale() ); + + } else if ( dollyDelta.y < 0 ) { + + dollyOut( getZoomScale() ); + + } + + dollyStart.copy( dollyEnd ); + + scope.update(); + + } + + function handleMouseMovePan( event ) { + + //console.log( 'handleMouseMovePan' ); + + panEnd.set( event.clientX, event.clientY ); + + panDelta.subVectors( panEnd, panStart ); + + pan( panDelta.x, panDelta.y ); + + panStart.copy( panEnd ); + + scope.update(); + + } + + function handleMouseUp( event ) { + + //console.log( 'handleMouseUp' ); + + } + + function handleMouseWheel( event ) { + + //console.log( 'handleMouseWheel' ); + + if ( event.deltaY < 0 ) { + + dollyOut( getZoomScale() ); + + } else if ( event.deltaY > 0 ) { + + dollyIn( getZoomScale() ); + + } + + scope.update(); + + } + + function handleKeyDown( event ) { + + //console.log( 'handleKeyDown' ); + + switch ( event.keyCode ) { + + case scope.keys.UP: + pan( 0, scope.keyPanSpeed ); + scope.update(); + break; + + case scope.keys.BOTTOM: + pan( 0, - scope.keyPanSpeed ); + scope.update(); + break; + + case scope.keys.LEFT: + pan( scope.keyPanSpeed, 0 ); + scope.update(); + break; + + case scope.keys.RIGHT: + pan( - scope.keyPanSpeed, 0 ); + scope.update(); + break; + + } + + } + + function handleTouchStartRotate( event ) { + + //console.log( 'handleTouchStartRotate' ); + + rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + + } + + function handleTouchStartDolly( event ) { + + //console.log( 'handleTouchStartDolly' ); + + var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + + var distance = Math.sqrt( dx * dx + dy * dy ); + + dollyStart.set( 0, distance ); + + } + + function handleTouchStartPan( event ) { + + //console.log( 'handleTouchStartPan' ); + + panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + + } + + function handleTouchMoveRotate( event ) { + + //console.log( 'handleTouchMoveRotate' ); + + rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + rotateDelta.subVectors( rotateEnd, rotateStart ); + + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + + // rotating across whole screen goes 360 degrees around + rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); + + // rotating up and down along whole screen attempts to go 360, but limited to 180 + rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); + + rotateStart.copy( rotateEnd ); + + scope.update(); + + } + + function handleTouchMoveDolly( event ) { + + //console.log( 'handleTouchMoveDolly' ); + + var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + + var distance = Math.sqrt( dx * dx + dy * dy ); + + dollyEnd.set( 0, distance ); + + dollyDelta.subVectors( dollyEnd, dollyStart ); + + if ( dollyDelta.y > 0 ) { + + dollyOut( getZoomScale() ); + + } else if ( dollyDelta.y < 0 ) { + + dollyIn( getZoomScale() ); + + } + + dollyStart.copy( dollyEnd ); + + scope.update(); + + } + + function handleTouchMovePan( event ) { + + //console.log( 'handleTouchMovePan' ); + + panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + + panDelta.subVectors( panEnd, panStart ); + + pan( panDelta.x, panDelta.y ); + + panStart.copy( panEnd ); + + scope.update(); + + } + + function handleTouchEnd( event ) { + + //console.log( 'handleTouchEnd' ); + + } + + // + // event handlers - FSM: listen for events and reset state + // + + function onMouseDown( event ) { + + if ( scope.enabled === false ) return; + + event.preventDefault(); + + if ( event.button === scope.mouseButtons.ORBIT ) { + + if ( scope.enableRotate === false ) return; + + handleMouseDownRotate( event ); + + state = STATE.ROTATE; + + } else if ( event.button === scope.mouseButtons.ZOOM ) { + + if ( scope.enableZoom === false ) return; + + handleMouseDownDolly( event ); + + state = STATE.DOLLY; + + } else if ( event.button === scope.mouseButtons.PAN ) { + + if ( scope.enablePan === false ) return; + + handleMouseDownPan( event ); + + state = STATE.PAN; + + } + + if ( state !== STATE.NONE ) { + + document.addEventListener( 'mousemove', onMouseMove, false ); + document.addEventListener( 'mouseup', onMouseUp, false ); + + scope.dispatchEvent( startEvent ); + + } + + } + + function onMouseMove( event ) { + + if ( scope.enabled === false ) return; + + event.preventDefault(); + + if ( state === STATE.ROTATE ) { + + if ( scope.enableRotate === false ) return; + + handleMouseMoveRotate( event ); + + } else if ( state === STATE.DOLLY ) { + + if ( scope.enableZoom === false ) return; + + handleMouseMoveDolly( event ); + + } else if ( state === STATE.PAN ) { + + if ( scope.enablePan === false ) return; + + handleMouseMovePan( event ); + + } + + } + + function onMouseUp( event ) { + + if ( scope.enabled === false ) return; + + handleMouseUp( event ); + + document.removeEventListener( 'mousemove', onMouseMove, false ); + document.removeEventListener( 'mouseup', onMouseUp, false ); + + scope.dispatchEvent( endEvent ); + + state = STATE.NONE; + + } + + function onMouseWheel( event ) { + + if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return; + + event.preventDefault(); + event.stopPropagation(); + + handleMouseWheel( event ); + + scope.dispatchEvent( startEvent ); // not sure why these are here... + scope.dispatchEvent( endEvent ); + + } + + function onKeyDown( event ) { + + if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return; + + handleKeyDown( event ); + + } + + function onTouchStart( event ) { + + if ( scope.enabled === false ) return; + + switch ( event.touches.length ) { + + case 1: // one-fingered touch: rotate + + if ( scope.enableRotate === false ) return; + + handleTouchStartRotate( event ); + + state = STATE.TOUCH_ROTATE; + + break; + + case 2: // two-fingered touch: dolly + + if ( scope.enableZoom === false ) return; + + handleTouchStartDolly( event ); + + state = STATE.TOUCH_DOLLY; + + break; + + case 3: // three-fingered touch: pan + + if ( scope.enablePan === false ) return; + + handleTouchStartPan( event ); + + state = STATE.TOUCH_PAN; + + break; + + default: + + state = STATE.NONE; + + } + + if ( state !== STATE.NONE ) { + + scope.dispatchEvent( startEvent ); + + } + + } + + function onTouchMove( event ) { + + if ( scope.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + switch ( event.touches.length ) { + + case 1: // one-fingered touch: rotate + + if ( scope.enableRotate === false ) return; + if ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?... + + handleTouchMoveRotate( event ); + + break; + + case 2: // two-fingered touch: dolly + + if ( scope.enableZoom === false ) return; + if ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?... + + handleTouchMoveDolly( event ); + + break; + + case 3: // three-fingered touch: pan + + if ( scope.enablePan === false ) return; + if ( state !== STATE.TOUCH_PAN ) return; // is this needed?... + + handleTouchMovePan( event ); + + break; + + default: + + state = STATE.NONE; + + } + + } + + function onTouchEnd( event ) { + + if ( scope.enabled === false ) return; + + handleTouchEnd( event ); + + scope.dispatchEvent( endEvent ); + + state = STATE.NONE; + + } + + function onContextMenu( event ) { + + event.preventDefault(); + + } + + // + + scope.domElement.addEventListener( 'contextmenu', onContextMenu, false ); + + scope.domElement.addEventListener( 'mousedown', onMouseDown, false ); + scope.domElement.addEventListener( 'wheel', onMouseWheel, false ); + + scope.domElement.addEventListener( 'touchstart', onTouchStart, false ); + scope.domElement.addEventListener( 'touchend', onTouchEnd, false ); + scope.domElement.addEventListener( 'touchmove', onTouchMove, false ); + + window.addEventListener( 'keydown', onKeyDown, false ); + + // force an update at start + + this.update(); + + }; + + OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype ); + OrbitControls.prototype.constructor = OrbitControls; + + Object.defineProperties( OrbitControls.prototype, { + + center: { + + get: function () { + + console.warn( 'THREE.OrbitControls: .center has been renamed to .target' ); + return this.target; + + } + + }, + + // backward compatibility + + noZoom: { + + get: function () { + + console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); + return ! this.enableZoom; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); + this.enableZoom = ! value; + + } + + }, + + noRotate: { + + get: function () { + + console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); + return ! this.enableRotate; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); + this.enableRotate = ! value; + + } + + }, + + noPan: { + + get: function () { + + console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); + return ! this.enablePan; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); + this.enablePan = ! value; + + } + + }, + + noKeys: { + + get: function () { + + console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); + return ! this.enableKeys; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); + this.enableKeys = ! value; + + } + + }, + + staticMoving : { + + get: function () { + + console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); + return ! this.enableDamping; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); + this.enableDamping = ! value; + + } + + }, + + dynamicDampingFactor : { + + get: function () { + + console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); + return this.dampingFactor; + + }, + + set: function ( value ) { + + console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); + this.dampingFactor = value; + + } + + } + + } ); + + return OrbitControls; + }; + + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; + + Object.defineProperty(exports, "__esModule", { + value: true + }); + + var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + + var _agent = __webpack_require__(9); + + var _agent2 = _interopRequireDefault(_agent); + + var _agent3 = __webpack_require__(9); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + + function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + + var THREE = __webpack_require__(6); + + function Marker(pos) { + this.pos = pos; + this.weight = 0; + this.owner = null; + } + + function Obstacle(pos, radius) { + this.pos = pos; + this.radius = radius; + } + + var BioCrowd = function () { + function BioCrowd(App) { + _classCallCheck(this, BioCrowd); + + this.init(App); + } + + _createClass(BioCrowd, [{ + key: 'init', + value: function init(App) { + this.isPaused = App.config.isPaused; + this.origin = new THREE.Vector3(0, 0, 0); + + // dimensions + this.grid = []; + this.gridRes = App.config.gridRes; + this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells + this.cellRes = App.config.cellRes; // num of mark in cell + this.gridWidth = App.config.gridWidth; + this.gridHeight = App.config.gridHeight; + this.cellHeight = this.gridHeight / this.gridRes; + this.cellWidth = this.gridHeight / this.gridRes; + this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes) * Math.sqrt(this.cellRes); + + // agents + this.agents = []; + this.numAgents = App.config.numAgents; + this.agentRadius = App.config.agentRadius; + this.agentGeo = App.agentGeometry; + this.scenario = App.scenario; + this.maxVelocity = App.config.maxVelocity; + + // scene data + this.camera = App.camera; + this.scene = App.scene; + this.num_obs = App.obstacles; + this.obstacles = []; + + this.debug = App.config.visualDebug; + // markers + this.markerGeo = new THREE.BufferGeometry(); + this.m_positions = new Float32Array(this.maxMarkers * 3); + this.markerMat = new THREE.PointsMaterial({ size: 0.1, color: 0x7eed6f }); + this.markerPoints = new THREE.Points(this.markerGeo, this.markerMat); + this.lineMat = new THREE.LineBasicMaterial({ color: 0x770000 }); + + this.initGrid(); + this.initAgents(); + if (this.debug) this.show(); + } + }, { + key: 'reset', + + + // new grid and agents + value: function reset() { + for (var i = 0; i < this.agents.length; i++) { + this.scene.remove(this.agents[i].mesh); + this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle); + } + for (var j = 0; j < this.num_obs; j++) { + this.scene.remove(this.obstacles[j].mesh); + } + this.scene.remove(this.markerPoints); + } + }, { + key: 'i1toi2', + + + // Convert from 1D index to 2D indices + value: function i1toi2(i1) { + return [i1 % this.gridRes, ~~(i1 % this.gridRes2 / this.gridRes)]; + } + }, { + key: 'i2toi1', + + + // Convert from 2D indices to 1D + value: function i2toi1(ix, iy) { + return ix + iy * this.gridRes; + } + }, { + key: 'i2toPos', + + + // Convert from 2D indices to 2D positions + value: function i2toPos(i2) { + return new THREE.Vector3(i2[0] * this.cellWidth + this.origin.x, i2[1] * this.cellHeight + this.origin.y, 0); + } + }, { + key: 'pos2i', + + + // Convert from position to 2D indices + value: function pos2i(vec2) { + var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth); + var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight); + return this.i2toi1(x, y); + } + }, { + key: 'initGrid', + value: function initGrid() { + var x = 0; + for (var k = 0; k < this.num_obs; k++) { + var x1 = Math.random() * this.gridRes * this.cellWidth; + var y1 = Math.random() * this.gridRes * this.cellHeight; + this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random() + 0.1)); + var geometry = new THREE.CylinderGeometry(this.obstacles[k].radius, this.obstacles[k].radius, 1, 16).rotateX(Math.PI / 2); + var material = new THREE.MeshBasicMaterial({ color: 0x4411bb }); + this.obstacles[k].mesh = new THREE.Mesh(geometry, material); + this.obstacles[k].mesh.position.set(x1, y1, 0); + this.scene.add(this.obstacles[k].mesh); + } + for (var i = 0; i < this.gridRes2; i++) { + var i2 = this.i1toi2(i); + var pos = this.i2toPos(i2); + var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles); + this.grid.push(cell); + for (var j = 0; j < cell.markers.length; j++) { + this.m_positions[x++] = cell.markers[j].pos.x; + this.m_positions[x++] = cell.markers[j].pos.y; + this.m_positions[x++] = 0; + } + } + this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); + this.markerGeo.computeBoundingSphere(); + } + }, { + key: 'initAgents', + value: function initAgents() { + switch (this.scenario) { + case 'line': + var num = 0; + for (var i = 0; i < this.numAgents / 2; i++) { + var ypos = 2 * this.gridHeight * i / this.numAgents; + var posL = new THREE.Vector3(0.1, ypos, 0); + var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); + var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); + var destL = new THREE.Vector3(0.1, ypos, 0); + var hitL = false;var hitR = false; + var j = 0; + while (!hit && j < this.num_obs) { + var distL = (0, _agent3.distance)(posL, this.obstacles[j].pos); + var distR = (0, _agent3.distance)(posR, this.obstacles[j].pos); + if (distL < this.obstacles[j].radius) hitL = true; + if (distR < this.obstacles[j].radius) hitR = true; + j++; + } + if (!hitL) { + posL.add(this.origin); + destR.add(this.origin); + var index = this.pos2i(posL); + var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x); + var agent = new _agent2.default(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + num++; + } + if (!hitR && num < this.numAgents) { + posR.add(this.origin); + destL.add(this.origin); + var index = this.pos2i(posR); + var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x); + var agent = new _agent2.default(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + num++; + } + } + break; + case 'quad': + for (var i = 0; i < this.numAgents; i++) { + var quad = i % 4; + var xpos = Math.pow(-1, quad) * (Math.random() / 2 + 0.5) * this.gridWidth / 2; + var ypos = (quad < 2 ? -1 : 1) * (Math.random() / 2 + 0.5) * this.gridHeight / 2; + var pos = new THREE.Vector3(xpos, ypos, 0); + var dest = new THREE.Vector3(-0.9 * Math.sign(xpos) * this.gridWidth / 2, -0.9 * Math.sign(ypos) * this.gridHeight / 2, 0); + var hit = false; + var j = 0; + while (!hit && j < this.num_obs) { + var dist = (0, _agent3.distance)(new THREE.Vector3(pos.x + this.gridWidth / 2, pos.y + this.gridHeight / 2, 0), this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) hit = true; + j++; + } + if (!hit) { + var offset = new THREE.Vector3(this.gridWidth / 2, this.gridHeight / 2, 0); + pos.add(offset); + dest.add(offset); + var index = this.pos2i(pos); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new _agent2.default(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + } + } + break; + default: + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); + var hit = true; + while (hit) { + hit = false; + for (var j = 0; j < this.num_obs; j++) { + var dist = (0, _agent3.distance)(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); + } + } + } + var dest = new THREE.Vector3(2, 2, 0); + } + } + + // disassociate markers and agents + + }, { + key: 'clear', + value: function clear() { + for (var i = 0; i < this.agents.length; i++) { + for (var j = 0; j < this.agents[i].markers.length; j++) { + this.agents[i].markers[j].owner = null; + this.agents[i].markers[j].weight = 0; + } + this.agents[i].markers = []; + } + } + }, { + key: 'select', + value: function select() { + var claimed = []; + // every agent + for (var k = 0; k < this.agents.length; k++) { + var agent = this.agents[k]; + // check neighboring grid cells + var i2 = this.i1toi2(agent.index); + var min0 = Math.min(Math.max(0, i2[0] - 1), this.gridRes);var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); + var min1 = Math.min(Math.max(0, i2[1] - 1), this.gridRes);var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); + for (var i = min0; i < max0; i++) { + for (var j = min1; j < max1; j++) { + var grid = this.grid[this.i2toi1(i, j)]; + // for every marker in the grid + for (var g = 0; g < grid.markers.length; g++) { + var mark = grid.markers[g]; + // within personal bubble + var dist = (0, _agent3.distance)(mark.pos, agent.pos); + if (dist < agent.radius) { + claimed.push(mark); + mark.owner = agent; + if (mark.owner) { + // choose closest owner + var dist_old = (0, _agent3.distance)(mark.owner.pos, mark.pos); + if (dist_old > dist) mark.owner = agent; + } + } + } + } + } + } + for (var c = 0; c < claimed.length; c++) { + claimed[c].owner.markers.push(claimed[c]); + } + } + }, { + key: 'update', + value: function update() { + if (this.isPaused) return; + // pick markers and compute velocity + this.clear(); + this.select(); + + // advect + for (var i = 0; i < this.agents.length; i++) { + this.agents[i].update(); + this.agents[i].index = this.pos2i(this.agents[i].pos); + } + } + }, { + key: 'pause', + value: function pause() { + this.isPaused = true; + } + }, { + key: 'play', + value: function play() { + this.isPaused = false; + } + }, { + key: 'show', + value: function show() { + this.scene.add(this.markerPoints); + for (var i = 0; i < this.agents.length; i++) { + this.scene.add(this.agents[i].lines); + this.scene.add(this.agents[i].circle); + } + } + }, { + key: 'hide', + value: function hide() { + this.scene.remove(this.markerPoints); + for (var i = 0; i < this.agents.length; i++) { + this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle); + } + } + }]); + + return BioCrowd; + }(); + + // ------------------------------------------- // + + exports.default = BioCrowd; + + var GridCell = function () { + function GridCell(pos, num, w, h, obs) { + _classCallCheck(this, GridCell); + + this.init(pos, num, w, h, obs); + } + + _createClass(GridCell, [{ + key: 'init', + value: function init(pos, num, w, h, obs) { + this.pos = pos; + this.width = w; + this.height = h; + this.markers = []; + this.obs = obs; + this.scatter(num); + } + + // stratified sampling + + }, { + key: 'scatter', + value: function scatter(num) { + var sqrtVal = Math.floor(Math.sqrt(num)); + var invSqrtVal = 1.0 / sqrtVal; + var samples = sqrtVal * sqrtVal; + for (var i = 0; i < samples; i++) { + var y = i / sqrtVal; + var x = i % sqrtVal; + var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, (y + Math.random()) * invSqrtVal * this.height, 0); + loc.add(this.pos); + var obs_hit = false; + for (var j = 0; j < this.obs.length; j++) { + var x1 = this.obs[j].pos.x - loc.x;var y1 = this.obs[j].pos.y - loc.y; + var dist = Math.sqrt(x1 * x1 + y1 * y1); + if (dist < this.obs[j].radius) { + obs_hit = true; + } + } + if (!obs_hit) { + var mark = new Marker(loc); + this.markers.push(mark); + } + } + } + }]); + + return GridCell; + }(); + +/***/ }, +/* 9 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; + + Object.defineProperty(exports, "__esModule", { + value: true + }); + + var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + + exports.distance = distance; + + function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + + var THREE = __webpack_require__(6); + + var a_mat = new THREE.MeshBasicMaterial({ color: 0xdddddd }); + var left_mat = new THREE.MeshBasicMaterial({ color: 0xffff00 }); + var right_mat = new THREE.MeshBasicMaterial({ color: 0x0000ff }); + var top_mat = new THREE.MeshBasicMaterial({ color: 0x00ffff }); + var bot_mat = new THREE.MeshBasicMaterial({ color: 0xff00ff }); + + function distance(x, y) { + var x1 = x.x - y.x;var y1 = x.y - y.y; + return Math.sqrt(x1 * x1 + y1 * y1); + } + + var Agent = function () { + function Agent(pos, i, ori, goal, radius, geo, left, l_mat, max) { + _classCallCheck(this, Agent); + + this.init(pos, i, ori, goal, radius, geo, left, l_mat, max); + } + + _createClass(Agent, [{ + key: 'init', + value: function init(pos, i, ori, goal, radius, geo, left, l_mat, max) { + this.pos = pos; + this.index = i; + this.vel = new THREE.Vector3(0, 0, 0); + this.ori = ori; + this.goal = goal; + this.radius = radius; + this.markers = []; + + this.lineGeo = new THREE.BufferGeometry(); + this.l_positions = new Float32Array(max * 3); + this.lines = new THREE.LineSegments(this.lineGeo, l_mat); + this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3)); + + this.lines.geometry.attributes.position.dynamic = true; + this.lines.geometry.dynamic = true; + + var geometry = new THREE.CircleGeometry(this.radius, 16); + if (left & 2) { + var material = left & 1 ? left_mat : right_mat; + } else { + var material = left & 1 ? top_mat : bot_mat; + } + + this.circle = new THREE.Mesh(geometry, a_mat); + this.circle.position.set(pos.x, pos.y, 0); + this.circle.geometry.verticesNeedUpdate = true; + + this.mesh = new THREE.Mesh(geo, material); + this.mesh.position.set(pos.x, pos.y, 0); + this.mesh.geometry.verticesNeedUpdate = true; + } + }, { + key: 'update', + value: function update() { + // update velocity + this.l_positions.fill(0); + var weight = 0;var ind = 0; + this.vel.x = 0;this.vel.y = 0;this.vel.z = 0; + if (distance(this.pos, this.goal) > 0.01) { + for (var i = 0; i < this.markers.length; i++) { + var mark = this.markers[i]; + var dist = distance(mark.pos, this.pos); + + var G = this.goal.clone().sub(this.pos).normalize(); + var m = mark.pos.clone().sub(this.pos); + var theta = G.dot(m.clone().normalize()); + mark.weight = (1 + theta) / (1 + dist); + weight += mark.weight; + this.vel.add(m.multiplyScalar(mark.weight)); + + this.l_positions[ind++] = mark.pos.x;this.l_positions[ind++] = mark.pos.y;this.l_positions[ind++] = 0; + this.l_positions[ind++] = this.pos.x;this.l_positions[ind++] = this.pos.y;this.l_positions[ind++] = 0; + } + if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight); + this.vel.clampLength(-this.radius, this.radius); + } + + // update position + this.pos.add(this.vel); + this.mesh.position.set(this.pos.x, this.pos.y, 0); + this.circle.position.set(this.pos.x, this.pos.y, 0); + this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length); + this.lines.geometry.attributes.position.needsUpdate = true; + } + }]); + + return Agent; + }(); + + exports.default = Agent; + +/***/ } +/******/ ]); +//# sourceMappingURL=bundle.js.map \ No newline at end of file diff --git a/build/bundle.js.map b/build/bundle.js.map new file mode 100644 index 00000000..1af008d8 --- /dev/null +++ b/build/bundle.js.map @@ -0,0 +1 @@ +{"version":3,"sources":["webpack:///webpack/bootstrap 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0923a87d1ef83cc7447f","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n }\r\n }\r\n }\r\n var dest = new THREE.Vector3(2,2,0);\r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n }\r\n if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight);\r\n this.vel.clampLength(-this.radius, this.radius);\r\n }\r\n \r\n // update position\r\n this.pos.add(this.vel);\r\n this.mesh.position.set(this.pos.x, this.pos.y, 0);\r\n this.circle.position.set(this.pos.x, this.pos.y, 0);\r\n this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length);\r\n this.lines.geometry.attributes.position.needsUpdate = true;\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/agent.js"],"sourceRoot":""} \ No newline at end of file From 1f1c84890c1cd1e033270742c00b484322d743da Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Wed, 29 Mar 2017 11:12:44 -0400 Subject: [PATCH 14/19] index file --- build/index.html | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 build/index.html diff --git a/build/index.html b/build/index.html new file mode 100644 index 00000000..04c03d37 --- /dev/null +++ b/build/index.html @@ -0,0 +1,35 @@ + + + + BioCrowds + + + + + + From 92493f7b0710b3d79f4ad6cfabaf995ab9cb57d5 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Wed, 29 Mar 2017 11:15:15 -0400 Subject: [PATCH 15/19] new bundle --- build/bundle.js | 59233 +++++++++++++++++++++--------------------- build/bundle.js.map | 2 +- 2 files changed, 29965 insertions(+), 29270 deletions(-) diff --git a/build/bundle.js b/build/bundle.js index 2592d9c4..52c365fa 100644 --- a/build/bundle.js +++ b/build/bundle.js @@ -46,59 +46,130 @@ 'use strict'; - var _framework = __webpack_require__(1); + var _textures = __webpack_require__(1); + + var _framework = __webpack_require__(4); var _framework2 = _interopRequireDefault(_framework); - var _bio_crowd = __webpack_require__(8); + var _marching_cube_LUT = __webpack_require__(10); + + var _marching_cube_LUT2 = _interopRequireDefault(_marching_cube_LUT); - var _bio_crowd2 = _interopRequireDefault(_bio_crowd); + var _marching_cubes = __webpack_require__(11); + + var _marching_cubes2 = _interopRequireDefault(_marching_cubes); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - var THREE = __webpack_require__(6); // older modules are imported like this. You shouldn't have to worry about this much - //const OBJLoader = require('three-obj-loader'); - //OBJLoader(THREE) - var OrbitControls = __webpack_require__(7)(THREE); + __webpack_require__(16); + + //import {quote} from './quote' + // Credit: + // http://jamie-wong.com/2014/08/19/metaballs-and-marching-squares/ + // http://paulbourke.net/geometry/polygonise/ + + var THREE = __webpack_require__(2); // older modules are imported like this. You shouldn't have to worry about this much + var OBJLoader = __webpack_require__(17); + OBJLoader(THREE); var DEFAULT_VISUAL_DEBUG = false; - var DEFAULT_CELL_RES = 25; - var DEFAULT_GRID_RES = 8; - var DEFAULT_GRID_WIDTH = 8; - var DEFAULT_GRID_HEIGHT = 8; - var DEFAULT_NUM_AGENTS = 8; - var DEFAULT_NUM_MARKERS = 1000; - var DEFAULT_RADIUS = 0.5; - var DEFAULT_OBSTACLES = 2; - var DEFAULT_MAX_VELOCITY = 5; + var DEFAULT_ISO_LEVEL = 1.0; + var DEFAULT_GRID_RES = 30; + var DEFAULT_GRID_WIDTH = 6; + var DEFAULT_GRID_HEIGHT = 17; + var DEFAULT_GRID_DEPTH = 6; + var DEFAULT_NUM_METABALLS = 7; + var DEFAULT_MIN_RADIUS = 0.5; + var DEFAULT_MAX_RADIUS = 1; + var DEFAULT_MAX_SPEEDX = 0.005; + var DEFAULT_MAX_SPEEDY = 0.3; + + var options = { lightColor: '#ffffff', lightIntensity: 1, ambient: '#111111', albedo: '#110000' }; + var loaded = false; + var red = new THREE.Color(1.0, 0.0, 0.0); + var green = new THREE.Color(0.0, 1.0, 0.0); + var glassGeo; + var lampGeo; + + // glass, emissive, iridescent + var g_mat = { + uniforms: { + u_albedo: { type: 'v3', value: new THREE.Color(options.albedo) }, + u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, + u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, + u_lightIntensity: { type: 'f', value: options.lightIntensity } + }, + vertexShader: __webpack_require__(18), + fragmentShader: __webpack_require__(19) + }; + + // metal + var m_mat = { + uniforms: { + u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, + u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, + u_lightIntensity: { type: 'f', value: options.lightIntensity } + }, + vertexShader: __webpack_require__(20), + fragmentShader: __webpack_require__(21) + }; + + //const GLASS_MAT = new THREE.ShaderMaterial(g_mat); + var GLASS_MAT = new THREE.MeshLambertMaterial({ color: 0xffffff, emissive: 0xff0000, transparent: true, opacity: 0.3 }); + var METAL_MAT = new THREE.MeshPhongMaterial({ color: 0xffffff, emissive: 0x111111 }); var App = { // - bioCrowd: undefined, - agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI / 2), - scenario: 'line', - obstacles: DEFAULT_OBSTACLES, + marchingCubes: undefined, config: { + // Global control of all visual debugging. + // This can be set to false to disallow any memory allocation of visual debugging components. + // **Note**: If your application experiences performance drop, disable this flag. visualDebug: DEFAULT_VISUAL_DEBUG, - isPaused: false, + + // The isolevel for marching cubes + isolevel: DEFAULT_ISO_LEVEL, + + // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid gridRes: DEFAULT_GRID_RES, - cellRes: DEFAULT_CELL_RES, + // Total width of grid gridWidth: DEFAULT_GRID_WIDTH, + gridHeight: DEFAULT_GRID_HEIGHT, - maxMarkers: DEFAULT_NUM_MARKERS, - numAgents: DEFAULT_NUM_AGENTS, - agentRadius: DEFAULT_RADIUS, - maxVelocity: DEFAULT_MAX_VELOCITY + gridDepth: DEFAULT_GRID_DEPTH, + + // Width of each voxel + // Ideally, we want the voxel to be small (higher resolution) + gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, + gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, + gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES, + + // Number of metaballs + numMetaballs: DEFAULT_NUM_METABALLS, + + // Minimum radius of a metaball + minRadius: DEFAULT_MIN_RADIUS, + + // Maxium radius of a metaball + maxRadius: DEFAULT_MAX_RADIUS, + + // Maximum speed of a metaball + maxSpeedX: DEFAULT_MAX_SPEEDX, + maxSpeedY: DEFAULT_MAX_SPEEDY, + maxSpeedZ: DEFAULT_MAX_SPEEDX }, // Scene's framework objects camera: undefined, scene: undefined, renderer: undefined, - controls: undefined, - plane: undefined + + // Play/pause control for the simulation + isPaused: false, + color: 0xffffff }; // called after the scene loads @@ -107,102 +178,112 @@ camera = framework.camera, renderer = framework.renderer, gui = framework.gui, - stats = framework.stats, - controls = framework.controls; + stats = framework.stats; App.scene = scene; App.camera = camera; App.renderer = renderer; - App.controls = controls; renderer.setClearColor(0x111111); + //scene.add(new THREE.AxisHelper(20)); + + var objLoader = new THREE.OBJLoader(); + var obj = objLoader.load(__webpack_require__(22), function (obj) { + glassGeo = obj.children[0].geometry; + var glass = new THREE.Mesh(glassGeo, GLASS_MAT); + glass.translateX(-1.5); + glass.translateZ(-1.5); + App.scene.add(glass); + loaded = true; + }); + + var obj = objLoader.load(__webpack_require__(23), function (obj) { + lampGeo = obj.children[0].geometry; + var lamp = new THREE.Mesh(lampGeo, METAL_MAT); + lamp.translateX(-1.5); + lamp.translateZ(-1.5); + App.scene.add(lamp); + }); setupCamera(App.camera); - //setupLights(App.scene); + setupLights(App.scene); setupScene(App.scene); setupGUI(gui); } + function cosine(a, b, c, d, t) { + return a + b * Math.cos(2.0 * Math.PI * (c * t + d)); + } + // called on frame updates function onUpdate(framework) { - if (App.bioCrowd) { - App.bioCrowd.update(); + if (loaded) { + var date = new Date(); + var sec = date.getSeconds(); + var r = cosine(0.5, 0.5, 1.0, 0.0, sec / 60.0); + var g = cosine(0.5, 0.5, 1.0, 0.33, sec / 60.0); + var b = cosine(0.5, 0.5, 1.0, 0.67, sec / 60.0); + GLASS_MAT.emissive.set(new THREE.Color(r, g, b)); + } + if (App.marchingCubes) { + App.marchingCubes.update(); } } function setupCamera(camera) { // set camera position - camera.position.set(App.config.gridWidth / 2, App.config.gridHeight / 2, App.config.gridWidth); - camera.lookAt(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); - App.controls.target.set(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); + camera.position.set(25, 10, 25); + camera.lookAt(new THREE.Vector3(1, 0, 1)); + } + + function setupLights(scene) { + + // Directional light + var directionalLight = new THREE.DirectionalLight(0xffffff, 1); + directionalLight.color.setHSL(0.1, 1, 0.95); + directionalLight.position.set(1, 10, 2); + directionalLight.position.multiplyScalar(10); + + scene.add(directionalLight); } function setupScene(scene) { - var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, App.config.gridRes, App.config.gridRes); - geo.translate(App.config.gridWidth / 2, App.config.gridHeight / 2, -0.01); - var material = new THREE.MeshBasicMaterial({ color: 0xffffff, wireframe: true }); - App.plane = new THREE.Mesh(geo, material); - scene.add(App.plane); - App.bioCrowd = new _bio_crowd2.default(App); + App.marchingCubes = new _marching_cubes2.default(App); } function setupGUI(gui) { - var a = gui.addFolder('Agent_Controls'); - var g = gui.addFolder('Grid_Controls'); + // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage - gui.add(App.config, 'isPaused').onChange(function (value) { - App.isPaused = value; - if (value) App.bioCrowd.pause();else App.bioCrowd.play(); - }); - gui.add(App.config, 'visualDebug').onChange(function (value) { - if (value) App.bioCrowd.show();else App.bioCrowd.hide(); - }); - a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function (value) { - App.bioCrowd.reset(); - App.bioCrowd = new _bio_crowd2.default(App); - }); - a.add(App.config, 'agentRadius', 0, 1).onChange(function (value) { - App.bioCrowd.reset(); - App.bioCrowd = new _bio_crowd2.default(App); + gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); }); - a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function (val) { - App.bioCrowd.reset(); - App.bioCrowd = new _bio_crowd2.default(App); - }); - g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function (value) { - App.bioCrowd.reset(); - App.bioCrowd = new _bio_crowd2.default(App); - }); - g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function (value) { - App.config.gridHeight = value; - App.scene.remove(App.plane); - App.plane.geometry.dispose();App.plane.material.dispose(); - App.bioCrowd.reset(); - setupScene(App.scene); - setupCamera(App.camera); - }); - g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function (value) { - App.scene.remove(App.plane); - App.plane.geometry.dispose();App.plane.material.dispose(); - App.bioCrowd.reset(); - setupScene(App.scene); + + gui.add(App.config, 'minRadius', 0, 1).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); }); - gui.add(App, 'obstacles', 0, 5).onChange(function (value) { - App.bioCrowd.reset(); - App.bioCrowd = new _bio_crowd2.default(App); + + gui.add(App.config, 'maxRadius', 1, 2).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); }); - } - function setupLights(scene) { + gui.add(App.config, 'maxSpeedY', 0, 1).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); + }); - // Directional light - var directionalLight = new THREE.DirectionalLight(0xffffff, 1); - directionalLight.color.setHSL(0.1, 1, 0.95); - directionalLight.position.set(1, 10, 2); - directionalLight.position.multiplyScalar(10); + gui.add(App.config, 'isolevel', 0, 2).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); + }); - scene.add(directionalLight); + gui.add(App.config, 'gridRes', 1, 40).step(1).onChange(function (value) { + App.marchingCubes.reset(); + App.marchingCubes = new _marching_cubes2.default(App); + }); } // when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate @@ -215,10096 +296,8484 @@ 'use strict'; Object.defineProperty(exports, "__esModule", { - value: true + value: true }); - var _statsJs = __webpack_require__(2); + // this file is just for convenience. it sets up loading the mario obj and texture - var _statsJs2 = _interopRequireDefault(_statsJs); + var THREE = __webpack_require__(2); - var _datGui = __webpack_require__(3); + var silverTexture = exports.silverTexture = new Promise(function (resolve, reject) { + new THREE.TextureLoader().load(__webpack_require__(3), function (texture) { + resolve(texture); + }); + }); + +/***/ }, +/* 2 */ +/***/ function(module, exports, __webpack_require__) { + + (function (global, factory) { + true ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.THREE = global.THREE || {}))); + }(this, (function (exports) { 'use strict'; - var _datGui2 = _interopRequireDefault(_datGui); + // Polyfills - function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + if ( Number.EPSILON === undefined ) { - var THREE = __webpack_require__(6); - var OrbitControls = __webpack_require__(7)(THREE); + Number.EPSILON = Math.pow( 2, - 52 ); + } - // when the scene is done initializing, the function passed as `callback` will be executed - // then, every frame, the function passed as `update` will be executed - function init(callback, update) { - var stats = new _statsJs2.default(); - stats.setMode(1); - stats.domElement.style.position = 'absolute'; - stats.domElement.style.left = '0px'; - stats.domElement.style.top = '0px'; - document.body.appendChild(stats.domElement); + // - var gui = new _datGui2.default.GUI(); + if ( Math.sign === undefined ) { - var framework = { - gui: gui, - stats: stats - }; + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign - // run this function after the window loads - window.addEventListener('load', function () { + Math.sign = function ( x ) { - var scene = new THREE.Scene(); - var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); - var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); - renderer.setPixelRatio(window.devicePixelRatio); - renderer.setSize(window.innerWidth, window.innerHeight); - renderer.setClearColor(0x020202, 0); + return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; - var controls = new OrbitControls(camera, renderer.domElement); - controls.enableDamping = true; - controls.enableZoom = true; - controls.target.set(0, 0, 0); - controls.rotateSpeed = 0.3; - controls.zoomSpeed = 1.0; - controls.panSpeed = 2.0; - controls.addEventListener('change', function () { - camera.hasMoved = true; - }); + }; - document.body.appendChild(renderer.domElement); + } - // resize the canvas when the window changes - window.addEventListener('resize', function () { - camera.aspect = window.innerWidth / window.innerHeight; - camera.updateProjectionMatrix(); - renderer.setSize(window.innerWidth, window.innerHeight); - }, false); + if ( Function.prototype.name === undefined ) { - // assign THREE.js objects to the object we will return - framework.scene = scene; - framework.camera = camera; - framework.renderer = renderer; - framework.controls = controls; + // Missing in IE9-11. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name - // begin the animation loop - (function tick() { - stats.begin(); - update(framework); // perform any requested updates - renderer.render(scene, camera); // render the scene - stats.end(); - requestAnimationFrame(tick); // register to call this again when the browser renders a new frame - })(); + Object.defineProperty( Function.prototype, 'name', { - // we will pass the scene, gui, renderer, camera, etc... to the callback function - return callback(framework); - }); - } + get: function () { - exports.default = { - init: init - }; - -/***/ }, -/* 2 */ -/***/ function(module, exports) { - - // stats.js - http://github.com/mrdoob/stats.js - var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px"; - i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div"); - k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display= - "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height= - a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats); - - -/***/ }, -/* 3 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(4) - module.exports.color = __webpack_require__(5) - -/***/ }, -/* 4 */ -/***/ function(module, exports) { - - /** - * dat-gui JavaScript Controller Library - * http://code.google.com/p/dat-gui - * - * Copyright 2011 Data Arts Team, Google Creative Lab - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ + return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ]; - /** @namespace */ - var dat = module.exports = dat || {}; + } - /** @namespace */ - dat.gui = dat.gui || {}; + } ); - /** @namespace */ - dat.utils = dat.utils || {}; + } - /** @namespace */ - dat.controllers = dat.controllers || {}; + if ( Object.assign === undefined ) { - /** @namespace */ - dat.dom = dat.dom || {}; + // Missing in IE. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign - /** @namespace */ - dat.color = dat.color || {}; + ( function () { - dat.utils.css = (function () { - return { - load: function (url, doc) { - doc = doc || document; - var link = doc.createElement('link'); - link.type = 'text/css'; - link.rel = 'stylesheet'; - link.href = url; - doc.getElementsByTagName('head')[0].appendChild(link); - }, - inject: function(css, doc) { - doc = doc || document; - var injected = document.createElement('style'); - injected.type = 'text/css'; - injected.innerHTML = css; - doc.getElementsByTagName('head')[0].appendChild(injected); - } - } - })(); + Object.assign = function ( target ) { + 'use strict'; - dat.utils.common = (function () { - - var ARR_EACH = Array.prototype.forEach; - var ARR_SLICE = Array.prototype.slice; + if ( target === undefined || target === null ) { - /** - * Band-aid methods for things that should be a lot easier in JavaScript. - * Implementation and structure inspired by underscore.js - * http://documentcloud.github.com/underscore/ - */ + throw new TypeError( 'Cannot convert undefined or null to object' ); - return { - - BREAK: {}, - - extend: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (!this.isUndefined(obj[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - defaults: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (this.isUndefined(target[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - compose: function() { - var toCall = ARR_SLICE.call(arguments); - return function() { - var args = ARR_SLICE.call(arguments); - for (var i = toCall.length -1; i >= 0; i--) { - args = [toCall[i].apply(this, args)]; - } - return args[0]; - } - }, - - each: function(obj, itr, scope) { + } - - if (ARR_EACH && obj.forEach === ARR_EACH) { - - obj.forEach(itr, scope); - - } else if (obj.length === obj.length + 0) { // Is number but not NaN - - for (var key = 0, l = obj.length; key < l; key++) - if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) - return; - - } else { + var output = Object( target ); - for (var key in obj) - if (itr.call(scope, obj[key], key) === this.BREAK) - return; - - } - - }, - - defer: function(fnc) { - setTimeout(fnc, 0); - }, - - toArray: function(obj) { - if (obj.toArray) return obj.toArray(); - return ARR_SLICE.call(obj); - }, + for ( var index = 1; index < arguments.length; index ++ ) { - isUndefined: function(obj) { - return obj === undefined; - }, - - isNull: function(obj) { - return obj === null; - }, - - isNaN: function(obj) { - return obj !== obj; - }, - - isArray: Array.isArray || function(obj) { - return obj.constructor === Array; - }, - - isObject: function(obj) { - return obj === Object(obj); - }, - - isNumber: function(obj) { - return obj === obj+0; - }, - - isString: function(obj) { - return obj === obj+''; - }, - - isBoolean: function(obj) { - return obj === false || obj === true; - }, - - isFunction: function(obj) { - return Object.prototype.toString.call(obj) === '[object Function]'; - } - - }; - - })(); + var source = arguments[ index ]; + if ( source !== undefined && source !== null ) { - dat.controllers.Controller = (function (common) { + for ( var nextKey in source ) { - /** - * @class An "abstract" class that represents a given property of an object. - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var Controller = function(object, property) { + if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { - this.initialValue = object[property]; + output[ nextKey ] = source[ nextKey ]; - /** - * Those who extend this class will put their DOM elements in here. - * @type {DOMElement} - */ - this.domElement = document.createElement('div'); + } - /** - * The object to manipulate - * @type {Object} - */ - this.object = object; + } - /** - * The name of the property to manipulate - * @type {String} - */ - this.property = property; + } - /** - * The function to be called on change. - * @type {Function} - * @ignore - */ - this.__onChange = undefined; + } - /** - * The function to be called on finishing change. - * @type {Function} - * @ignore - */ - this.__onFinishChange = undefined; + return output; - }; + }; - common.extend( + } )(); - Controller.prototype, + } - /** @lends dat.controllers.Controller.prototype */ - { + /** + * https://github.com/mrdoob/eventdispatcher.js/ + */ - /** - * Specify that a function fire every time someone changes the value with - * this Controller. - * - * @param {Function} fnc This function will be called whenever the value - * is modified via this Controller. - * @returns {dat.controllers.Controller} this - */ - onChange: function(fnc) { - this.__onChange = fnc; - return this; - }, + function EventDispatcher() {} - /** - * Specify that a function fire every time someone "finishes" changing - * the value wih this Controller. Useful for values that change - * incrementally like numbers or strings. - * - * @param {Function} fnc This function will be called whenever - * someone "finishes" changing the value via this Controller. - * @returns {dat.controllers.Controller} this - */ - onFinishChange: function(fnc) { - this.__onFinishChange = fnc; - return this; - }, + Object.assign( EventDispatcher.prototype, { - /** - * Change the value of object[property] - * - * @param {Object} newValue The new value of object[property] - */ - setValue: function(newValue) { - this.object[this.property] = newValue; - if (this.__onChange) { - this.__onChange.call(this, newValue); - } - this.updateDisplay(); - return this; - }, + addEventListener: function ( type, listener ) { - /** - * Gets the value of object[property] - * - * @returns {Object} The current value of object[property] - */ - getValue: function() { - return this.object[this.property]; - }, + if ( this._listeners === undefined ) this._listeners = {}; - /** - * Refreshes the visual display of a Controller in order to keep sync - * with the object's current value. - * @returns {dat.controllers.Controller} this - */ - updateDisplay: function() { - return this; - }, + var listeners = this._listeners; - /** - * @returns {Boolean} true if the value has deviated from initialValue - */ - isModified: function() { - return this.initialValue !== this.getValue() - } + if ( listeners[ type ] === undefined ) { - } + listeners[ type ] = []; - ); + } - return Controller; + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + listeners[ type ].push( listener ); - })(dat.utils.common); + } + }, - dat.dom.dom = (function (common) { + hasEventListener: function ( type, listener ) { - var EVENT_MAP = { - 'HTMLEvents': ['change'], - 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'], - 'KeyboardEvents': ['keydown'] - }; + if ( this._listeners === undefined ) return false; - var EVENT_MAP_INV = {}; - common.each(EVENT_MAP, function(v, k) { - common.each(v, function(e) { - EVENT_MAP_INV[e] = k; - }); - }); + var listeners = this._listeners; - var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/; + if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { - function cssValueToPixels(val) { + return true; - if (val === '0' || common.isUndefined(val)) return 0; + } - var match = val.match(CSS_VALUE_PIXELS); + return false; - if (!common.isNull(match)) { - return parseFloat(match[1]); - } + }, - // TODO ...ems? %? + removeEventListener: function ( type, listener ) { - return 0; + if ( this._listeners === undefined ) return; - } + var listeners = this._listeners; + var listenerArray = listeners[ type ]; - /** - * @namespace - * @member dat.dom - */ - var dom = { + if ( listenerArray !== undefined ) { - /** - * - * @param elem - * @param selectable - */ - makeSelectable: function(elem, selectable) { + var index = listenerArray.indexOf( listener ); - if (elem === undefined || elem.style === undefined) return; + if ( index !== - 1 ) { - elem.onselectstart = selectable ? function() { - return false; - } : function() { - }; + listenerArray.splice( index, 1 ); - elem.style.MozUserSelect = selectable ? 'auto' : 'none'; - elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none'; - elem.unselectable = selectable ? 'on' : 'off'; + } - }, + } - /** - * - * @param elem - * @param horizontal - * @param vertical - */ - makeFullscreen: function(elem, horizontal, vertical) { + }, - if (common.isUndefined(horizontal)) horizontal = true; - if (common.isUndefined(vertical)) vertical = true; + dispatchEvent: function ( event ) { - elem.style.position = 'absolute'; + if ( this._listeners === undefined ) return; - if (horizontal) { - elem.style.left = 0; - elem.style.right = 0; - } - if (vertical) { - elem.style.top = 0; - elem.style.bottom = 0; - } + var listeners = this._listeners; + var listenerArray = listeners[ event.type ]; - }, + if ( listenerArray !== undefined ) { - /** - * - * @param elem - * @param eventType - * @param params - */ - fakeEvent: function(elem, eventType, params, aux) { - params = params || {}; - var className = EVENT_MAP_INV[eventType]; - if (!className) { - throw new Error('Event type ' + eventType + ' not supported.'); - } - var evt = document.createEvent(className); - switch (className) { - case 'MouseEvents': - var clientX = params.x || params.clientX || 0; - var clientY = params.y || params.clientY || 0; - evt.initMouseEvent(eventType, params.bubbles || false, - params.cancelable || true, window, params.clickCount || 1, - 0, //screen X - 0, //screen Y - clientX, //client X - clientY, //client Y - false, false, false, false, 0, null); - break; - case 'KeyboardEvents': - var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz - common.defaults(params, { - cancelable: true, - ctrlKey: false, - altKey: false, - shiftKey: false, - metaKey: false, - keyCode: undefined, - charCode: undefined - }); - init(eventType, params.bubbles || false, - params.cancelable, window, - params.ctrlKey, params.altKey, - params.shiftKey, params.metaKey, - params.keyCode, params.charCode); - break; - default: - evt.initEvent(eventType, params.bubbles || false, - params.cancelable || true); - break; - } - common.defaults(evt, aux); - elem.dispatchEvent(evt); - }, + event.target = this; - /** - * - * @param elem - * @param event - * @param func - * @param bool - */ - bind: function(elem, event, func, bool) { - bool = bool || false; - if (elem.addEventListener) - elem.addEventListener(event, func, bool); - else if (elem.attachEvent) - elem.attachEvent('on' + event, func); - return dom; - }, + var array = [], i = 0; + var length = listenerArray.length; - /** - * - * @param elem - * @param event - * @param func - * @param bool - */ - unbind: function(elem, event, func, bool) { - bool = bool || false; - if (elem.removeEventListener) - elem.removeEventListener(event, func, bool); - else if (elem.detachEvent) - elem.detachEvent('on' + event, func); - return dom; - }, + for ( i = 0; i < length; i ++ ) { - /** - * - * @param elem - * @param className - */ - addClass: function(elem, className) { - if (elem.className === undefined) { - elem.className = className; - } else if (elem.className !== className) { - var classes = elem.className.split(/ +/); - if (classes.indexOf(className) == -1) { - classes.push(className); - elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, ''); - } - } - return dom; - }, + array[ i ] = listenerArray[ i ]; - /** - * - * @param elem - * @param className - */ - removeClass: function(elem, className) { - if (className) { - if (elem.className === undefined) { - // elem.className = className; - } else if (elem.className === className) { - elem.removeAttribute('class'); - } else { - var classes = elem.className.split(/ +/); - var index = classes.indexOf(className); - if (index != -1) { - classes.splice(index, 1); - elem.className = classes.join(' '); - } - } - } else { - elem.className = undefined; - } - return dom; - }, + } - hasClass: function(elem, className) { - return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false; - }, + for ( i = 0; i < length; i ++ ) { - /** - * - * @param elem - */ - getWidth: function(elem) { + array[ i ].call( this, event ); - var style = getComputedStyle(elem); + } - return cssValueToPixels(style['border-left-width']) + - cssValueToPixels(style['border-right-width']) + - cssValueToPixels(style['padding-left']) + - cssValueToPixels(style['padding-right']) + - cssValueToPixels(style['width']); - }, + } - /** - * - * @param elem - */ - getHeight: function(elem) { + } - var style = getComputedStyle(elem); + } ); - return cssValueToPixels(style['border-top-width']) + - cssValueToPixels(style['border-bottom-width']) + - cssValueToPixels(style['padding-top']) + - cssValueToPixels(style['padding-bottom']) + - cssValueToPixels(style['height']); - }, + var REVISION = '82'; + var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; + var CullFaceNone = 0; + var CullFaceBack = 1; + var CullFaceFront = 2; + var CullFaceFrontBack = 3; + var FrontFaceDirectionCW = 0; + var FrontFaceDirectionCCW = 1; + var BasicShadowMap = 0; + var PCFShadowMap = 1; + var PCFSoftShadowMap = 2; + var FrontSide = 0; + var BackSide = 1; + var DoubleSide = 2; + var FlatShading = 1; + var SmoothShading = 2; + var NoColors = 0; + var FaceColors = 1; + var VertexColors = 2; + var NoBlending = 0; + var NormalBlending = 1; + var AdditiveBlending = 2; + var SubtractiveBlending = 3; + var MultiplyBlending = 4; + var CustomBlending = 5; + var BlendingMode = { + NoBlending: NoBlending, + NormalBlending: NormalBlending, + AdditiveBlending: AdditiveBlending, + SubtractiveBlending: SubtractiveBlending, + MultiplyBlending: MultiplyBlending, + CustomBlending: CustomBlending + }; + var AddEquation = 100; + var SubtractEquation = 101; + var ReverseSubtractEquation = 102; + var MinEquation = 103; + var MaxEquation = 104; + var ZeroFactor = 200; + var OneFactor = 201; + var SrcColorFactor = 202; + var OneMinusSrcColorFactor = 203; + var SrcAlphaFactor = 204; + var OneMinusSrcAlphaFactor = 205; + var DstAlphaFactor = 206; + var OneMinusDstAlphaFactor = 207; + var DstColorFactor = 208; + var OneMinusDstColorFactor = 209; + var SrcAlphaSaturateFactor = 210; + var NeverDepth = 0; + var AlwaysDepth = 1; + var LessDepth = 2; + var LessEqualDepth = 3; + var EqualDepth = 4; + var GreaterEqualDepth = 5; + var GreaterDepth = 6; + var NotEqualDepth = 7; + var MultiplyOperation = 0; + var MixOperation = 1; + var AddOperation = 2; + var NoToneMapping = 0; + var LinearToneMapping = 1; + var ReinhardToneMapping = 2; + var Uncharted2ToneMapping = 3; + var CineonToneMapping = 4; + var UVMapping = 300; + var CubeReflectionMapping = 301; + var CubeRefractionMapping = 302; + var EquirectangularReflectionMapping = 303; + var EquirectangularRefractionMapping = 304; + var SphericalReflectionMapping = 305; + var CubeUVReflectionMapping = 306; + var CubeUVRefractionMapping = 307; + var TextureMapping = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + SphericalReflectionMapping: SphericalReflectionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping, + CubeUVRefractionMapping: CubeUVRefractionMapping + }; + var RepeatWrapping = 1000; + var ClampToEdgeWrapping = 1001; + var MirroredRepeatWrapping = 1002; + var TextureWrapping = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping + }; + var NearestFilter = 1003; + var NearestMipMapNearestFilter = 1004; + var NearestMipMapLinearFilter = 1005; + var LinearFilter = 1006; + var LinearMipMapNearestFilter = 1007; + var LinearMipMapLinearFilter = 1008; + var TextureFilter = { + NearestFilter: NearestFilter, + NearestMipMapNearestFilter: NearestMipMapNearestFilter, + NearestMipMapLinearFilter: NearestMipMapLinearFilter, + LinearFilter: LinearFilter, + LinearMipMapNearestFilter: LinearMipMapNearestFilter, + LinearMipMapLinearFilter: LinearMipMapLinearFilter + }; + var UnsignedByteType = 1009; + var ByteType = 1010; + var ShortType = 1011; + var UnsignedShortType = 1012; + var IntType = 1013; + var UnsignedIntType = 1014; + var FloatType = 1015; + var HalfFloatType = 1016; + var UnsignedShort4444Type = 1017; + var UnsignedShort5551Type = 1018; + var UnsignedShort565Type = 1019; + var UnsignedInt248Type = 1020; + var AlphaFormat = 1021; + var RGBFormat = 1022; + var RGBAFormat = 1023; + var LuminanceFormat = 1024; + var LuminanceAlphaFormat = 1025; + var RGBEFormat = RGBAFormat; + var DepthFormat = 1026; + var DepthStencilFormat = 1027; + var RGB_S3TC_DXT1_Format = 2001; + var RGBA_S3TC_DXT1_Format = 2002; + var RGBA_S3TC_DXT3_Format = 2003; + var RGBA_S3TC_DXT5_Format = 2004; + var RGB_PVRTC_4BPPV1_Format = 2100; + var RGB_PVRTC_2BPPV1_Format = 2101; + var RGBA_PVRTC_4BPPV1_Format = 2102; + var RGBA_PVRTC_2BPPV1_Format = 2103; + var RGB_ETC1_Format = 2151; + var LoopOnce = 2200; + var LoopRepeat = 2201; + var LoopPingPong = 2202; + var InterpolateDiscrete = 2300; + var InterpolateLinear = 2301; + var InterpolateSmooth = 2302; + var ZeroCurvatureEnding = 2400; + var ZeroSlopeEnding = 2401; + var WrapAroundEnding = 2402; + var TrianglesDrawMode = 0; + var TriangleStripDrawMode = 1; + var TriangleFanDrawMode = 2; + var LinearEncoding = 3000; + var sRGBEncoding = 3001; + var GammaEncoding = 3007; + var RGBEEncoding = 3002; + var LogLuvEncoding = 3003; + var RGBM7Encoding = 3004; + var RGBM16Encoding = 3005; + var RGBDEncoding = 3006; + var BasicDepthPacking = 3200; + var RGBADepthPacking = 3201; - /** - * - * @param elem - */ - getOffset: function(elem) { - var offset = {left: 0, top:0}; - if (elem.offsetParent) { - do { - offset.left += elem.offsetLeft; - offset.top += elem.offsetTop; - } while (elem = elem.offsetParent); - } - return offset; - }, + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - // http://stackoverflow.com/posts/2684561/revisions - /** - * - * @param elem - */ - isActive: function(elem) { - return elem === document.activeElement && ( elem.type || elem.href ); - } + var _Math = { - }; + DEG2RAD: Math.PI / 180, + RAD2DEG: 180 / Math.PI, - return dom; + generateUUID: function () { - })(dat.utils.common); + // http://www.broofa.com/Tools/Math.uuid.htm + var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); + var uuid = new Array( 36 ); + var rnd = 0, r; - dat.controllers.OptionController = (function (Controller, dom, common) { + return function generateUUID() { - /** - * @class Provides a select input to alter the property of an object, using a - * list of accepted values. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object|string[]} options A map of labels to acceptable values, or - * a list of acceptable string values. - * - * @member dat.controllers - */ - var OptionController = function(object, property, options) { + for ( var i = 0; i < 36; i ++ ) { - OptionController.superclass.call(this, object, property); + if ( i === 8 || i === 13 || i === 18 || i === 23 ) { - var _this = this; + uuid[ i ] = '-'; - /** - * The drop down menu - * @ignore - */ - this.__select = document.createElement('select'); + } else if ( i === 14 ) { - if (common.isArray(options)) { - var map = {}; - common.each(options, function(element) { - map[element] = element; - }); - options = map; - } + uuid[ i ] = '4'; - common.each(options, function(value, key) { + } else { - var opt = document.createElement('option'); - opt.innerHTML = key; - opt.setAttribute('value', value); - _this.__select.appendChild(opt); + if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; + r = rnd & 0xf; + rnd = rnd >> 4; + uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; - }); + } - // Acknowledge original value - this.updateDisplay(); + } - dom.bind(this.__select, 'change', function() { - var desiredValue = this.options[this.selectedIndex].value; - _this.setValue(desiredValue); - }); + return uuid.join( '' ); - this.domElement.appendChild(this.__select); + }; - }; + }(), - OptionController.superclass = Controller; + clamp: function ( value, min, max ) { - common.extend( + return Math.max( min, Math.min( max, value ) ); - OptionController.prototype, - Controller.prototype, + }, - { + // compute euclidian modulo of m % n + // https://en.wikipedia.org/wiki/Modulo_operation - setValue: function(v) { - var toReturn = OptionController.superclass.prototype.setValue.call(this, v); - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - return toReturn; - }, + euclideanModulo: function ( n, m ) { - updateDisplay: function() { - this.__select.value = this.getValue(); - return OptionController.superclass.prototype.updateDisplay.call(this); - } + return ( ( n % m ) + m ) % m; - } + }, - ); + // Linear mapping from range to range - return OptionController; + mapLinear: function ( x, a1, a2, b1, b2 ) { - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + }, - dat.controllers.NumberController = (function (Controller, common) { + // https://en.wikipedia.org/wiki/Linear_interpolation - /** - * @class Represents a given property of an object that is a number. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object} [params] Optional parameters - * @param {Number} [params.min] Minimum allowed value - * @param {Number} [params.max] Maximum allowed value - * @param {Number} [params.step] Increment by which to change value - * - * @member dat.controllers - */ - var NumberController = function(object, property, params) { - - NumberController.superclass.call(this, object, property); + lerp: function ( x, y, t ) { - params = params || {}; + return ( 1 - t ) * x + t * y; - this.__min = params.min; - this.__max = params.max; - this.__step = params.step; + }, - if (common.isUndefined(this.__step)) { + // http://en.wikipedia.org/wiki/Smoothstep - if (this.initialValue == 0) { - this.__impliedStep = 1; // What are we, psychics? - } else { - // Hey Doug, check this out. - this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10; - } + smoothstep: function ( x, min, max ) { - } else { + if ( x <= min ) return 0; + if ( x >= max ) return 1; - this.__impliedStep = this.__step; + x = ( x - min ) / ( max - min ); - } + return x * x * ( 3 - 2 * x ); - this.__precision = numDecimals(this.__impliedStep); + }, + smootherstep: function ( x, min, max ) { - }; + if ( x <= min ) return 0; + if ( x >= max ) return 1; - NumberController.superclass = Controller; + x = ( x - min ) / ( max - min ); - common.extend( + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); - NumberController.prototype, - Controller.prototype, + }, - /** @lends dat.controllers.NumberController.prototype */ - { + random16: function () { - setValue: function(v) { + console.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' ); + return Math.random(); - if (this.__min !== undefined && v < this.__min) { - v = this.__min; - } else if (this.__max !== undefined && v > this.__max) { - v = this.__max; - } + }, - if (this.__step !== undefined && v % this.__step != 0) { - v = Math.round(v / this.__step) * this.__step; - } + // Random integer from interval - return NumberController.superclass.prototype.setValue.call(this, v); + randInt: function ( low, high ) { - }, + return low + Math.floor( Math.random() * ( high - low + 1 ) ); - /** - * Specify a minimum value for object[property]. - * - * @param {Number} minValue The minimum value for - * object[property] - * @returns {dat.controllers.NumberController} this - */ - min: function(v) { - this.__min = v; - return this; - }, + }, - /** - * Specify a maximum value for object[property]. - * - * @param {Number} maxValue The maximum value for - * object[property] - * @returns {dat.controllers.NumberController} this - */ - max: function(v) { - this.__max = v; - return this; - }, + // Random float from interval - /** - * Specify a step value that dat.controllers.NumberController - * increments by. - * - * @param {Number} stepValue The step value for - * dat.controllers.NumberController - * @default if minimum and maximum specified increment is 1% of the - * difference otherwise stepValue is 1 - * @returns {dat.controllers.NumberController} this - */ - step: function(v) { - this.__step = v; - return this; - } + randFloat: function ( low, high ) { - } + return low + Math.random() * ( high - low ); - ); + }, - function numDecimals(x) { - x = x.toString(); - if (x.indexOf('.') > -1) { - return x.length - x.indexOf('.') - 1; - } else { - return 0; - } - } + // Random float from <-range/2, range/2> interval - return NumberController; + randFloatSpread: function ( range ) { - })(dat.controllers.Controller, - dat.utils.common); + return range * ( 0.5 - Math.random() ); + }, - dat.controllers.NumberControllerBox = (function (NumberController, dom, common) { + degToRad: function ( degrees ) { - /** - * @class Represents a given property of an object that is a number and - * provides an input element with which to manipulate it. - * - * @extends dat.controllers.Controller - * @extends dat.controllers.NumberController - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object} [params] Optional parameters - * @param {Number} [params.min] Minimum allowed value - * @param {Number} [params.max] Maximum allowed value - * @param {Number} [params.step] Increment by which to change value - * - * @member dat.controllers - */ - var NumberControllerBox = function(object, property, params) { + return degrees * _Math.DEG2RAD; - this.__truncationSuspended = false; + }, - NumberControllerBox.superclass.call(this, object, property, params); + radToDeg: function ( radians ) { - var _this = this; + return radians * _Math.RAD2DEG; - /** - * {Number} Previous mouse y position - * @ignore - */ - var prev_y; + }, - this.__input = document.createElement('input'); - this.__input.setAttribute('type', 'text'); + isPowerOfTwo: function ( value ) { - // Makes it so manually specified values are not truncated. + return ( value & ( value - 1 ) ) === 0 && value !== 0; - dom.bind(this.__input, 'change', onChange); - dom.bind(this.__input, 'blur', onBlur); - dom.bind(this.__input, 'mousedown', onMouseDown); - dom.bind(this.__input, 'keydown', function(e) { + }, - // When pressing entire, you can be as precise as you want. - if (e.keyCode === 13) { - _this.__truncationSuspended = true; - this.blur(); - _this.__truncationSuspended = false; - } + nearestPowerOfTwo: function ( value ) { - }); + return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); - function onChange() { - var attempted = parseFloat(_this.__input.value); - if (!common.isNaN(attempted)) _this.setValue(attempted); - } + }, - function onBlur() { - onChange(); - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + nextPowerOfTwo: function ( value ) { - function onMouseDown(e) { - dom.bind(window, 'mousemove', onMouseDrag); - dom.bind(window, 'mouseup', onMouseUp); - prev_y = e.clientY; - } + value --; + value |= value >> 1; + value |= value >> 2; + value |= value >> 4; + value |= value >> 8; + value |= value >> 16; + value ++; - function onMouseDrag(e) { + return value; - var diff = prev_y - e.clientY; - _this.setValue(_this.getValue() + diff * _this.__impliedStep); + } - prev_y = e.clientY; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author philogb / http://blog.thejit.org/ + * @author egraether / http://egraether.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + */ - function onMouseUp() { - dom.unbind(window, 'mousemove', onMouseDrag); - dom.unbind(window, 'mouseup', onMouseUp); - } + function Vector2( x, y ) { - this.updateDisplay(); + this.x = x || 0; + this.y = y || 0; - this.domElement.appendChild(this.__input); + } - }; + Vector2.prototype = { - NumberControllerBox.superclass = NumberController; + constructor: Vector2, - common.extend( + isVector2: true, - NumberControllerBox.prototype, - NumberController.prototype, + get width() { - { + return this.x; - updateDisplay: function() { + }, - this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision); - return NumberControllerBox.superclass.prototype.updateDisplay.call(this); - } + set width( value ) { - } + this.x = value; - ); + }, - function roundToDecimal(value, decimals) { - var tenTo = Math.pow(10, decimals); - return Math.round(value * tenTo) / tenTo; - } + get height() { - return NumberControllerBox; + return this.y; - })(dat.controllers.NumberController, - dat.dom.dom, - dat.utils.common); + }, + set height( value ) { - dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) { + this.y = value; - /** - * @class Represents a given property of an object that is a number, contains - * a minimum and maximum, and provides a slider element with which to - * manipulate it. It should be noted that the slider element is made up of - * <div> tags, not the html5 - * <slider> element. - * - * @extends dat.controllers.Controller - * @extends dat.controllers.NumberController - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Number} minValue Minimum allowed value - * @param {Number} maxValue Maximum allowed value - * @param {Number} stepValue Increment by which to change value - * - * @member dat.controllers - */ - var NumberControllerSlider = function(object, property, min, max, step) { + }, - NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step }); + // - var _this = this; + set: function ( x, y ) { - this.__background = document.createElement('div'); - this.__foreground = document.createElement('div'); - + this.x = x; + this.y = y; + return this; - dom.bind(this.__background, 'mousedown', onMouseDown); - - dom.addClass(this.__background, 'slider'); - dom.addClass(this.__foreground, 'slider-fg'); + }, - function onMouseDown(e) { + setScalar: function ( scalar ) { - dom.bind(window, 'mousemove', onMouseDrag); - dom.bind(window, 'mouseup', onMouseUp); + this.x = scalar; + this.y = scalar; - onMouseDrag(e); - } + return this; - function onMouseDrag(e) { + }, - e.preventDefault(); + setX: function ( x ) { - var offset = dom.getOffset(_this.__background); - var width = dom.getWidth(_this.__background); - - _this.setValue( - map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max) - ); + this.x = x; - return false; + return this; - } + }, - function onMouseUp() { - dom.unbind(window, 'mousemove', onMouseDrag); - dom.unbind(window, 'mouseup', onMouseUp); - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + setY: function ( y ) { - this.updateDisplay(); + this.y = y; - this.__background.appendChild(this.__foreground); - this.domElement.appendChild(this.__background); + return this; - }; + }, - NumberControllerSlider.superclass = NumberController; + setComponent: function ( index, value ) { - /** - * Injects default stylesheet for slider elements. - */ - NumberControllerSlider.useDefaultStyles = function() { - css.inject(styleSheet); - }; + switch ( index ) { - common.extend( + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); - NumberControllerSlider.prototype, - NumberController.prototype, + } + + return this; - { + }, - updateDisplay: function() { - var pct = (this.getValue() - this.__min)/(this.__max - this.__min); - this.__foreground.style.width = pct*100+'%'; - return NumberControllerSlider.superclass.prototype.updateDisplay.call(this); - } + getComponent: function ( index ) { - } + switch ( index ) { + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + } - ); + }, - function map(v, i1, i2, o1, o2) { - return o1 + (o2 - o1) * ((v - i1) / (i2 - i1)); - } + clone: function () { - return NumberControllerSlider; - - })(dat.controllers.NumberController, - dat.dom.dom, - dat.utils.css, - dat.utils.common, - ".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); + return new this.constructor( this.x, this.y ); + }, - dat.controllers.FunctionController = (function (Controller, dom, common) { + copy: function ( v ) { - /** - * @class Provides a GUI interface to fire a specified method, a property of an object. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var FunctionController = function(object, property, text) { + this.x = v.x; + this.y = v.y; - FunctionController.superclass.call(this, object, property); + return this; - var _this = this; + }, - this.__button = document.createElement('div'); - this.__button.innerHTML = text === undefined ? 'Fire' : text; - dom.bind(this.__button, 'click', function(e) { - e.preventDefault(); - _this.fire(); - return false; - }); + add: function ( v, w ) { - dom.addClass(this.__button, 'button'); + if ( w !== undefined ) { - this.domElement.appendChild(this.__button); + console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + } - }; + this.x += v.x; + this.y += v.y; - FunctionController.superclass = Controller; + return this; - common.extend( + }, - FunctionController.prototype, - Controller.prototype, - { - - fire: function() { - if (this.__onChange) { - this.__onChange.call(this); - } - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - this.getValue().call(this.object); - } - } + addScalar: function ( s ) { - ); + this.x += s; + this.y += s; - return FunctionController; + return this; - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + }, + addVectors: function ( a, b ) { - dat.controllers.BooleanController = (function (Controller, dom, common) { + this.x = a.x + b.x; + this.y = a.y + b.y; - /** - * @class Provides a checkbox input to alter the boolean property of an object. - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var BooleanController = function(object, property) { + return this; - BooleanController.superclass.call(this, object, property); + }, - var _this = this; - this.__prev = this.getValue(); + addScaledVector: function ( v, s ) { - this.__checkbox = document.createElement('input'); - this.__checkbox.setAttribute('type', 'checkbox'); + this.x += v.x * s; + this.y += v.y * s; + return this; - dom.bind(this.__checkbox, 'change', onChange, false); + }, - this.domElement.appendChild(this.__checkbox); + sub: function ( v, w ) { - // Match original value - this.updateDisplay(); + if ( w !== undefined ) { - function onChange() { - _this.setValue(!_this.__prev); - } + console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - }; + } - BooleanController.superclass = Controller; + this.x -= v.x; + this.y -= v.y; - common.extend( + return this; - BooleanController.prototype, - Controller.prototype, + }, - { + subScalar: function ( s ) { - setValue: function(v) { - var toReturn = BooleanController.superclass.prototype.setValue.call(this, v); - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - this.__prev = this.getValue(); - return toReturn; - }, + this.x -= s; + this.y -= s; - updateDisplay: function() { - - if (this.getValue() === true) { - this.__checkbox.setAttribute('checked', 'checked'); - this.__checkbox.checked = true; - } else { - this.__checkbox.checked = false; - } + return this; - return BooleanController.superclass.prototype.updateDisplay.call(this); + }, - } + subVectors: function ( a, b ) { + this.x = a.x - b.x; + this.y = a.y - b.y; - } - - ); + return this; - return BooleanController; + }, - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + multiply: function ( v ) { + this.x *= v.x; + this.y *= v.y; - dat.color.toString = (function (common) { + return this; - return function(color) { + }, - if (color.a == 1 || common.isUndefined(color.a)) { + multiplyScalar: function ( scalar ) { - var s = color.hex.toString(16); - while (s.length < 6) { - s = '0' + s; - } + if ( isFinite( scalar ) ) { - return '#' + s; + this.x *= scalar; + this.y *= scalar; - } else { + } else { - return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + this.x = 0; + this.y = 0; - } + } - } + return this; - })(dat.utils.common); + }, + divide: function ( v ) { - dat.color.interpret = (function (toString, common) { + this.x /= v.x; + this.y /= v.y; - var result, toReturn; + return this; - var interpret = function() { + }, - toReturn = false; + divideScalar: function ( scalar ) { - var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + return this.multiplyScalar( 1 / scalar ); - common.each(INTERPRETATIONS, function(family) { + }, - if (family.litmus(original)) { + min: function ( v ) { - common.each(family.conversions, function(conversion, conversionName) { + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); - result = conversion.read(original); + return this; - if (toReturn === false && result !== false) { - toReturn = result; - result.conversionName = conversionName; - result.conversion = conversion; - return common.BREAK; + }, - } + max: function ( v ) { - }); + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); - return common.BREAK; + return this; - } + }, - }); + clamp: function ( min, max ) { - return toReturn; + // This function assumes min < max, if this assumption isn't true it will not operate correctly - }; + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - var INTERPRETATIONS = [ + return this; - // Strings - { + }, - litmus: common.isString, + clampScalar: function () { - conversions: { + var min, max; - THREE_CHAR_HEX: { + return function clampScalar( minVal, maxVal ) { - read: function(original) { + if ( min === undefined ) { - var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); - if (test === null) return false; + min = new Vector2(); + max = new Vector2(); - return { - space: 'HEX', - hex: parseInt( - '0x' + - test[1].toString() + test[1].toString() + - test[2].toString() + test[2].toString() + - test[3].toString() + test[3].toString()) - }; + } - }, + min.set( minVal, minVal ); + max.set( maxVal, maxVal ); - write: toString + return this.clamp( min, max ); - }, + }; - SIX_CHAR_HEX: { + }(), - read: function(original) { + clampLength: function ( min, max ) { - var test = original.match(/^#([A-F0-9]{6})$/i); - if (test === null) return false; + var length = this.length(); - return { - space: 'HEX', - hex: parseInt('0x' + test[1].toString()) - }; + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); - }, + }, - write: toString + floor: function () { - }, + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); - CSS_RGB: { + return this; - read: function(original) { + }, - var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); - if (test === null) return false; + ceil: function () { - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]) - }; + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); - }, + return this; - write: toString + }, - }, + round: function () { - CSS_RGBA: { + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); - read: function(original) { + return this; - var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); - if (test === null) return false; + }, - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]), - a: parseFloat(test[4]) - }; + roundToZero: function () { - }, + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - write: toString + return this; - } + }, - } + negate: function () { - }, + this.x = - this.x; + this.y = - this.y; - // Numbers - { + return this; - litmus: common.isNumber, + }, - conversions: { + dot: function ( v ) { - HEX: { - read: function(original) { - return { - space: 'HEX', - hex: original, - conversionName: 'HEX' - } - }, + return this.x * v.x + this.y * v.y; - write: function(color) { - return color.hex; - } - } + }, - } + lengthSq: function () { - }, + return this.x * this.x + this.y * this.y; - // Arrays - { + }, - litmus: common.isArray, + length: function () { - conversions: { + return Math.sqrt( this.x * this.x + this.y * this.y ); - RGB_ARRAY: { - read: function(original) { - if (original.length != 3) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2] - }; - }, + }, - write: function(color) { - return [color.r, color.g, color.b]; - } + lengthManhattan: function() { - }, + return Math.abs( this.x ) + Math.abs( this.y ); - RGBA_ARRAY: { - read: function(original) { - if (original.length != 4) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2], - a: original[3] - }; - }, + }, - write: function(color) { - return [color.r, color.g, color.b, color.a]; - } + normalize: function () { - } + return this.divideScalar( this.length() ); - } + }, - }, + angle: function () { - // Objects - { + // computes the angle in radians with respect to the positive x-axis - litmus: common.isObject, + var angle = Math.atan2( this.y, this.x ); - conversions: { + if ( angle < 0 ) angle += 2 * Math.PI; - RGBA_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b) && - common.isNumber(original.a)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b, - a: original.a - } - } - return false; - }, + return angle; - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b, - a: color.a - } - } - }, + }, - RGB_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b - } - } - return false; - }, + distanceTo: function ( v ) { - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b - } - } - }, + return Math.sqrt( this.distanceToSquared( v ) ); - HSVA_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v) && - common.isNumber(original.a)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v, - a: original.a - } - } - return false; - }, + }, - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v, - a: color.a - } - } - }, + distanceToSquared: function ( v ) { - HSV_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v - } - } - return false; - }, + var dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v - } - } + }, - } + distanceToManhattan: function ( v ) { - } + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); - } + }, + setLength: function ( length ) { - ]; + return this.multiplyScalar( length / this.length() ); - return interpret; + }, + lerp: function ( v, alpha ) { - })(dat.color.toString, - dat.utils.common); + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + return this; - dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) { + }, - css.inject(styleSheet); + lerpVectors: function ( v1, v2, alpha ) { - /** Outer-most className for GUI's */ - var CSS_NAMESPACE = 'dg'; + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - var HIDE_KEY_CODE = 72; + }, - /** The only value shared between the JS and SCSS. Use caution. */ - var CLOSE_BUTTON_HEIGHT = 20; + equals: function ( v ) { - var DEFAULT_DEFAULT_PRESET_NAME = 'Default'; + return ( ( v.x === this.x ) && ( v.y === this.y ) ); - var SUPPORTS_LOCAL_STORAGE = (function() { - try { - return 'localStorage' in window && window['localStorage'] !== null; - } catch (e) { - return false; - } - })(); + }, - var SAVE_DIALOGUE; + fromArray: function ( array, offset ) { - /** Have we yet to create an autoPlace GUI? */ - var auto_place_virgin = true; + if ( offset === undefined ) offset = 0; - /** Fixed position div that auto place GUI's go inside */ - var auto_place_container; + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; - /** Are we hiding the GUI's ? */ - var hide = false; + return this; - /** GUI's which should be hidden */ - var hideable_guis = []; + }, - /** - * A lightweight controller library for JavaScript. It allows you to easily - * manipulate variables and fire functions on the fly. - * @class - * - * @member dat.gui - * - * @param {Object} [params] - * @param {String} [params.name] The name of this GUI. - * @param {Object} [params.load] JSON object representing the saved state of - * this GUI. - * @param {Boolean} [params.auto=true] - * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in. - * @param {Boolean} [params.closed] If true, starts closed - */ - var GUI = function(params) { + toArray: function ( array, offset ) { - var _this = this; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - /** - * Outermost DOM Element - * @type DOMElement - */ - this.domElement = document.createElement('div'); - this.__ul = document.createElement('ul'); - this.domElement.appendChild(this.__ul); + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; - dom.addClass(this.domElement, CSS_NAMESPACE); + return array; - /** - * Nested GUI's by name - * @ignore - */ - this.__folders = {}; + }, - this.__controllers = []; + fromAttribute: function ( attribute, index, offset ) { - /** - * List of objects I'm remembering for save, only used in top level GUI - * @ignore - */ - this.__rememberedObjects = []; + if ( offset === undefined ) offset = 0; - /** - * Maps the index of remembered objects to a map of controllers, only used - * in top level GUI. - * - * @private - * @ignore - * - * @example - * [ - * { - * propertyName: Controller, - * anotherPropertyName: Controller - * }, - * { - * propertyName: Controller - * } - * ] - */ - this.__rememberedObjectIndecesToControllers = []; + index = index * attribute.itemSize + offset; - this.__listening = []; + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; - params = params || {}; + return this; - // Default parameters - params = common.defaults(params, { - autoPlace: true, - width: GUI.DEFAULT_WIDTH - }); + }, - params = common.defaults(params, { - resizable: params.autoPlace, - hideable: params.autoPlace - }); + rotateAround: function ( center, angle ) { + var c = Math.cos( angle ), s = Math.sin( angle ); - if (!common.isUndefined(params.load)) { + var x = this.x - center.x; + var y = this.y - center.y; - // Explicit preset - if (params.preset) params.load.preset = params.preset; + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; - } else { + return this; - params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME }; + } - } + }; - if (common.isUndefined(params.parent) && params.hideable) { - hideable_guis.push(this); - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */ - // Only root level GUI's are resizable. - params.resizable = common.isUndefined(params.parent) && params.resizable; + function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + Object.defineProperty( this, 'id', { value: TextureIdCount() } ); - if (params.autoPlace && common.isUndefined(params.scrollable)) { - params.scrollable = true; - } - // params.scrollable = common.isUndefined(params.parent) && params.scrollable === true; + this.uuid = _Math.generateUUID(); - // Not part of params because I don't want people passing this in via - // constructor. Should be a 'remembered' value. - var use_local_storage = - SUPPORTS_LOCAL_STORAGE && - localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true'; + this.name = ''; + this.sourceFile = ''; - Object.defineProperties(this, + this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; + this.mipmaps = []; - /** @lends dat.gui.GUI.prototype */ - { + this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; - /** - * The parent GUI - * @type dat.gui.GUI - */ - parent: { - get: function() { - return params.parent; - } - }, + this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; + this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; - scrollable: { - get: function() { - return params.scrollable; - } - }, + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter; - /** - * Handles GUI's element placement for you - * @type Boolean - */ - autoPlace: { - get: function() { - return params.autoPlace; - } - }, + this.anisotropy = anisotropy !== undefined ? anisotropy : 1; - /** - * The identifier for a set of saved values - * @type String - */ - preset: { + this.format = format !== undefined ? format : RGBAFormat; + this.type = type !== undefined ? type : UnsignedByteType; - get: function() { - if (_this.parent) { - return _this.getRoot().preset; - } else { - return params.load.preset; - } - }, + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); - set: function(v) { - if (_this.parent) { - _this.getRoot().preset = v; - } else { - params.load.preset = v; - } - setPresetSelectIndex(this); - _this.revert(); - } + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) - }, - /** - * The width of GUI element - * @type Number - */ - width: { - get: function() { - return params.width; - }, - set: function(v) { - params.width = v; - setWidth(_this, v); - } - }, + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding = encoding !== undefined ? encoding : LinearEncoding; - /** - * The name of GUI. Used for folders. i.e - * a folder's name - * @type String - */ - name: { - get: function() { - return params.name; - }, - set: function(v) { - // TODO Check for collisions among sibling folders - params.name = v; - if (title_row_name) { - title_row_name.innerHTML = params.name; - } - } - }, + this.version = 0; + this.onUpdate = null; - /** - * Whether the GUI is collapsed or not - * @type Boolean - */ - closed: { - get: function() { - return params.closed; - }, - set: function(v) { - params.closed = v; - if (params.closed) { - dom.addClass(_this.__ul, GUI.CLASS_CLOSED); - } else { - dom.removeClass(_this.__ul, GUI.CLASS_CLOSED); - } - // For browsers that aren't going to respect the CSS transition, - // Lets just check our height against the window height right off - // the bat. - this.onResize(); + } - if (_this.__closeButton) { - _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED; - } - } - }, + Texture.DEFAULT_IMAGE = undefined; + Texture.DEFAULT_MAPPING = UVMapping; - /** - * Contains all presets - * @type Object - */ - load: { - get: function() { - return params.load; - } - }, + Texture.prototype = { - /** - * Determines whether or not to use localStorage as the means for - * remembering - * @type Boolean - */ - useLocalStorage: { + constructor: Texture, - get: function() { - return use_local_storage; - }, - set: function(bool) { - if (SUPPORTS_LOCAL_STORAGE) { - use_local_storage = bool; - if (bool) { - dom.bind(window, 'unload', saveToLocalStorage); - } else { - dom.unbind(window, 'unload', saveToLocalStorage); - } - localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool); - } - } + isTexture: true, - } + set needsUpdate( value ) { - }); + if ( value === true ) this.version ++; - // Are we a root level GUI? - if (common.isUndefined(params.parent)) { + }, - params.closed = false; + clone: function () { - dom.addClass(this.domElement, GUI.CLASS_MAIN); - dom.makeSelectable(this.domElement, false); + return new this.constructor().copy( this ); - // Are we supposed to be loading locally? - if (SUPPORTS_LOCAL_STORAGE) { + }, - if (use_local_storage) { + copy: function ( source ) { - _this.useLocalStorage = true; + this.image = source.image; + this.mipmaps = source.mipmaps.slice( 0 ); - var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui')); + this.mapping = source.mapping; - if (saved_gui) { - params.load = JSON.parse(saved_gui); - } + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; - } + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; - } + this.anisotropy = source.anisotropy; - this.__closeButton = document.createElement('div'); - this.__closeButton.innerHTML = GUI.TEXT_CLOSED; - dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON); - this.domElement.appendChild(this.__closeButton); + this.format = source.format; + this.type = source.type; - dom.bind(this.__closeButton, 'click', function() { + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); - _this.closed = !_this.closed; + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.encoding = source.encoding; + return this; - }); + }, + toJSON: function ( meta ) { - // Oh, you're a nested GUI! - } else { + if ( meta.textures[ this.uuid ] !== undefined ) { - if (params.closed === undefined) { - params.closed = true; - } + return meta.textures[ this.uuid ]; - var title_row_name = document.createTextNode(params.name); - dom.addClass(title_row_name, 'controller-name'); + } - var title_row = addRow(_this, title_row_name); + function getDataURL( image ) { - var on_click_title = function(e) { - e.preventDefault(); - _this.closed = !_this.closed; - return false; - }; + var canvas; - dom.addClass(this.__ul, GUI.CLASS_CLOSED); + if ( image.toDataURL !== undefined ) { - dom.addClass(title_row, 'title'); - dom.bind(title_row, 'click', on_click_title); + canvas = image; - if (!params.closed) { - this.closed = false; - } + } else { - } + canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = image.width; + canvas.height = image.height; - if (params.autoPlace) { + canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); - if (common.isUndefined(params.parent)) { + } - if (auto_place_virgin) { - auto_place_container = document.createElement('div'); - dom.addClass(auto_place_container, CSS_NAMESPACE); - dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER); - document.body.appendChild(auto_place_container); - auto_place_virgin = false; - } + if ( canvas.width > 2048 || canvas.height > 2048 ) { - // Put it in the dom for you. - auto_place_container.appendChild(this.domElement); + return canvas.toDataURL( 'image/jpeg', 0.6 ); - // Apply the auto styles - dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE); + } else { - } + return canvas.toDataURL( 'image/png' ); + } - // Make it not elastic. - if (!this.parent) setWidth(_this, params.width); + } - } + var output = { + metadata: { + version: 4.4, + type: 'Texture', + generator: 'Texture.toJSON' + }, - dom.bind(window, 'resize', function() { _this.onResize() }); - dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); }); - dom.bind(this.__ul, 'transitionend', function() { _this.onResize() }); - dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() }); - this.onResize(); + uuid: this.uuid, + name: this.name, + mapping: this.mapping, - if (params.resizable) { - addResizeHandle(this); - } + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + wrap: [ this.wrapS, this.wrapT ], - function saveToLocalStorage() { - localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject())); - } + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, - var root = _this.getRoot(); - function resetWidth() { - var root = _this.getRoot(); - root.width += 1; - common.defer(function() { - root.width -= 1; - }); - } + flipY: this.flipY + }; - if (!params.parent) { - resetWidth(); - } + if ( this.image !== undefined ) { - }; + // TODO: Move to THREE.Image - GUI.toggleHide = function() { + var image = this.image; - hide = !hide; - common.each(hideable_guis, function(gui) { - gui.domElement.style.zIndex = hide ? -999 : 999; - gui.domElement.style.opacity = hide ? 0 : 1; - }); - }; + if ( image.uuid === undefined ) { - GUI.CLASS_AUTO_PLACE = 'a'; - GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac'; - GUI.CLASS_MAIN = 'main'; - GUI.CLASS_CONTROLLER_ROW = 'cr'; - GUI.CLASS_TOO_TALL = 'taller-than-window'; - GUI.CLASS_CLOSED = 'closed'; - GUI.CLASS_CLOSE_BUTTON = 'close-button'; - GUI.CLASS_DRAG = 'drag'; + image.uuid = _Math.generateUUID(); // UGH - GUI.DEFAULT_WIDTH = 245; - GUI.TEXT_CLOSED = 'Close Controls'; - GUI.TEXT_OPEN = 'Open Controls'; + } - dom.bind(window, 'keydown', function(e) { + if ( meta.images[ image.uuid ] === undefined ) { - if (document.activeElement.type !== 'text' && - (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) { - GUI.toggleHide(); - } + meta.images[ image.uuid ] = { + uuid: image.uuid, + url: getDataURL( image ) + }; - }, false); + } - common.extend( + output.image = image.uuid; - GUI.prototype, + } - /** @lends dat.gui.GUI */ - { + meta.textures[ this.uuid ] = output; - /** - * @param object - * @param property - * @returns {dat.controllers.Controller} The new controller that was added. - * @instance - */ - add: function(object, property) { + return output; - return add( - this, - object, - property, - { - factoryArgs: Array.prototype.slice.call(arguments, 2) - } - ); + }, - }, + dispose: function () { - /** - * @param object - * @param property - * @returns {dat.controllers.ColorController} The new controller that was added. - * @instance - */ - addColor: function(object, property) { + this.dispatchEvent( { type: 'dispose' } ); - return add( - this, - object, - property, - { - color: true - } - ); + }, - }, + transformUv: function ( uv ) { - /** - * @param controller - * @instance - */ - remove: function(controller) { + if ( this.mapping !== UVMapping ) return; - // TODO listening? - this.__ul.removeChild(controller.__li); - this.__controllers.slice(this.__controllers.indexOf(controller), 1); - var _this = this; - common.defer(function() { - _this.onResize(); - }); + uv.multiply( this.repeat ); + uv.add( this.offset ); - }, + if ( uv.x < 0 || uv.x > 1 ) { - destroy: function() { + switch ( this.wrapS ) { - if (this.autoPlace) { - auto_place_container.removeChild(this.domElement); - } + case RepeatWrapping: - }, + uv.x = uv.x - Math.floor( uv.x ); + break; - /** - * @param name - * @returns {dat.gui.GUI} The new folder. - * @throws {Error} if this GUI already has a folder by the specified - * name - * @instance - */ - addFolder: function(name) { + case ClampToEdgeWrapping: - // We have to prevent collisions on names in order to have a key - // by which to remember saved values - if (this.__folders[name] !== undefined) { - throw new Error('You already have a folder in this GUI by the' + - ' name "' + name + '"'); - } + uv.x = uv.x < 0 ? 0 : 1; + break; - var new_gui_params = { name: name, parent: this }; + case MirroredRepeatWrapping: - // We need to pass down the autoPlace trait so that we can - // attach event listeners to open/close folder actions to - // ensure that a scrollbar appears if the window is too short. - new_gui_params.autoPlace = this.autoPlace; + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { - // Do we have saved appearance data for this folder? + uv.x = Math.ceil( uv.x ) - uv.x; - if (this.load && // Anything loaded? - this.load.folders && // Was my parent a dead-end? - this.load.folders[name]) { // Did daddy remember me? + } else { - // Start me closed if I was closed - new_gui_params.closed = this.load.folders[name].closed; + uv.x = uv.x - Math.floor( uv.x ); - // Pass down the loaded data - new_gui_params.load = this.load.folders[name]; + } + break; - } + } - var gui = new GUI(new_gui_params); - this.__folders[name] = gui; + } - var li = addRow(this, gui.domElement); - dom.addClass(li, 'folder'); - return gui; + if ( uv.y < 0 || uv.y > 1 ) { - }, + switch ( this.wrapT ) { - open: function() { - this.closed = false; - }, + case RepeatWrapping: - close: function() { - this.closed = true; - }, + uv.y = uv.y - Math.floor( uv.y ); + break; - onResize: function() { + case ClampToEdgeWrapping: - var root = this.getRoot(); + uv.y = uv.y < 0 ? 0 : 1; + break; - if (root.scrollable) { + case MirroredRepeatWrapping: - var top = dom.getOffset(root.__ul).top; - var h = 0; + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { - common.each(root.__ul.childNodes, function(node) { - if (! (root.autoPlace && node === root.__save_row)) - h += dom.getHeight(node); - }); + uv.y = Math.ceil( uv.y ) - uv.y; - if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) { - dom.addClass(root.domElement, GUI.CLASS_TOO_TALL); - root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px'; - } else { - dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL); - root.__ul.style.height = 'auto'; - } + } else { - } + uv.y = uv.y - Math.floor( uv.y ); - if (root.__resize_handle) { - common.defer(function() { - root.__resize_handle.style.height = root.__ul.offsetHeight + 'px'; - }); - } + } + break; - if (root.__closeButton) { - root.__closeButton.style.width = root.width + 'px'; - } + } - }, + } - /** - * Mark objects for saving. The order of these objects cannot change as - * the GUI grows. When remembering new objects, append them to the end - * of the list. - * - * @param {Object...} objects - * @throws {Error} if not called on a top level GUI. - * @instance - */ - remember: function() { + if ( this.flipY ) { - if (common.isUndefined(SAVE_DIALOGUE)) { - SAVE_DIALOGUE = new CenteredDiv(); - SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents; - } + uv.y = 1 - uv.y; - if (this.parent) { - throw new Error("You can only call remember on a top level GUI."); - } + } - var _this = this; + } - common.each(Array.prototype.slice.call(arguments), function(object) { - if (_this.__rememberedObjects.length == 0) { - addSaveMenu(_this); - } - if (_this.__rememberedObjects.indexOf(object) == -1) { - _this.__rememberedObjects.push(object); - } - }); + }; - if (this.autoPlace) { - // Set save row width - setWidth(this, this.width); - } + Object.assign( Texture.prototype, EventDispatcher.prototype ); - }, + var count = 0; + function TextureIdCount() { return count++; } - /** - * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI. - * @instance - */ - getRoot: function() { - var gui = this; - while (gui.parent) { - gui = gui.parent; - } - return gui; - }, + /** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ - /** - * @returns {Object} a JSON object representing the current state of - * this GUI as well as its remembered properties. - * @instance - */ - getSaveObject: function() { + function Vector4( x, y, z, w ) { - var toReturn = this.load; + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + this.w = ( w !== undefined ) ? w : 1; - toReturn.closed = this.closed; + } - // Am I remembering any values? - if (this.__rememberedObjects.length > 0) { + Vector4.prototype = { - toReturn.preset = this.preset; + constructor: Vector4, - if (!toReturn.remembered) { - toReturn.remembered = {}; - } + isVector4: true, - toReturn.remembered[this.preset] = getCurrentPreset(this); + set: function ( x, y, z, w ) { - } + this.x = x; + this.y = y; + this.z = z; + this.w = w; - toReturn.folders = {}; - common.each(this.__folders, function(element, key) { - toReturn.folders[key] = element.getSaveObject(); - }); + return this; - return toReturn; + }, - }, + setScalar: function ( scalar ) { - save: function() { + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; - if (!this.load.remembered) { - this.load.remembered = {}; - } + return this; - this.load.remembered[this.preset] = getCurrentPreset(this); - markPresetModified(this, false); + }, - }, + setX: function ( x ) { - saveAs: function(presetName) { + this.x = x; - if (!this.load.remembered) { + return this; - // Retain default values upon first save - this.load.remembered = {}; - this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true); + }, - } + setY: function ( y ) { - this.load.remembered[presetName] = getCurrentPreset(this); - this.preset = presetName; - addPresetOption(this, presetName, true); + this.y = y; - }, + return this; - revert: function(gui) { + }, - common.each(this.__controllers, function(controller) { - // Make revert work on Default. - if (!this.getRoot().load.remembered) { - controller.setValue(controller.initialValue); - } else { - recallSavedValue(gui || this.getRoot(), controller); - } - }, this); + setZ: function ( z ) { - common.each(this.__folders, function(folder) { - folder.revert(folder); - }); + this.z = z; - if (!gui) { - markPresetModified(this.getRoot(), false); - } + return this; + }, - }, + setW: function ( w ) { - listen: function(controller) { + this.w = w; - var init = this.__listening.length == 0; - this.__listening.push(controller); - if (init) updateDisplays(this.__listening); + return this; - } + }, - } + setComponent: function ( index, value ) { - ); + switch ( index ) { - function add(gui, object, property, params) { + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); - if (object[property] === undefined) { - throw new Error("Object " + object + " has no property \"" + property + "\""); - } + } + + return this; - var controller; + }, - if (params.color) { + getComponent: function ( index ) { - controller = new ColorController(object, property); + switch ( index ) { - } else { + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); - var factoryArgs = [object,property].concat(params.factoryArgs); - controller = controllerFactory.apply(gui, factoryArgs); + } - } + }, - if (params.before instanceof Controller) { - params.before = params.before.__li; - } + clone: function () { - recallSavedValue(gui, controller); + return new this.constructor( this.x, this.y, this.z, this.w ); - dom.addClass(controller.domElement, 'c'); + }, - var name = document.createElement('span'); - dom.addClass(name, 'property-name'); - name.innerHTML = controller.property; + copy: function ( v ) { - var container = document.createElement('div'); - container.appendChild(name); - container.appendChild(controller.domElement); + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; - var li = addRow(gui, container, params.before); + return this; - dom.addClass(li, GUI.CLASS_CONTROLLER_ROW); - dom.addClass(li, typeof controller.getValue()); + }, - augmentController(gui, li, controller); + add: function ( v, w ) { - gui.__controllers.push(controller); + if ( w !== undefined ) { - return controller; + console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); - } + } - /** - * Add a row to the end of the GUI or before another row. - * - * @param gui - * @param [dom] If specified, inserts the dom content in the new row - * @param [liBefore] If specified, places the new row before another row - */ - function addRow(gui, dom, liBefore) { - var li = document.createElement('li'); - if (dom) li.appendChild(dom); - if (liBefore) { - gui.__ul.insertBefore(li, params.before); - } else { - gui.__ul.appendChild(li); - } - gui.onResize(); - return li; - } + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; - function augmentController(gui, li, controller) { + return this; - controller.__li = li; - controller.__gui = gui; + }, - common.extend(controller, { + addScalar: function ( s ) { - options: function(options) { + this.x += s; + this.y += s; + this.z += s; + this.w += s; - if (arguments.length > 1) { - controller.remove(); + return this; - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [common.toArray(arguments)] - } - ); + }, - } + addVectors: function ( a, b ) { - if (common.isArray(options) || common.isObject(options)) { - controller.remove(); + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [options] - } - ); + return this; - } + }, - }, + addScaledVector: function ( v, s ) { - name: function(v) { - controller.__li.firstElementChild.firstElementChild.innerHTML = v; - return controller; - }, + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; - listen: function() { - controller.__gui.listen(controller); - return controller; - }, + return this; - remove: function() { - controller.__gui.remove(controller); - return controller; - } + }, - }); + sub: function ( v, w ) { - // All sliders should be accompanied by a box. - if (controller instanceof NumberControllerSlider) { + if ( w !== undefined ) { - var box = new NumberControllerBox(controller.object, controller.property, - { min: controller.__min, max: controller.__max, step: controller.__step }); + console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) { - var pc = controller[method]; - var pb = box[method]; - controller[method] = box[method] = function() { - var args = Array.prototype.slice.call(arguments); - pc.apply(controller, args); - return pb.apply(box, args); - } - }); + } - dom.addClass(li, 'has-slider'); - controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild); + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; - } - else if (controller instanceof NumberControllerBox) { + return this; - var r = function(returned) { + }, - // Have we defined both boundaries? - if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) { + subScalar: function ( s ) { - // Well, then lets just replace this with a slider. - controller.remove(); - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [controller.__min, controller.__max, controller.__step] - }); + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; - } + return this; - return returned; + }, - }; + subVectors: function ( a, b ) { - controller.min = common.compose(r, controller.min); - controller.max = common.compose(r, controller.max); + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; - } - else if (controller instanceof BooleanController) { + return this; - dom.bind(li, 'click', function() { - dom.fakeEvent(controller.__checkbox, 'click'); - }); + }, - dom.bind(controller.__checkbox, 'click', function(e) { - e.stopPropagation(); // Prevents double-toggle - }) + multiplyScalar: function ( scalar ) { - } - else if (controller instanceof FunctionController) { + if ( isFinite( scalar ) ) { - dom.bind(li, 'click', function() { - dom.fakeEvent(controller.__button, 'click'); - }); + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; - dom.bind(li, 'mouseover', function() { - dom.addClass(controller.__button, 'hover'); - }); + } else { - dom.bind(li, 'mouseout', function() { - dom.removeClass(controller.__button, 'hover'); - }); + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; - } - else if (controller instanceof ColorController) { + } - dom.addClass(li, 'color'); - controller.updateDisplay = common.compose(function(r) { - li.style.borderLeftColor = controller.__color.toString(); - return r; - }, controller.updateDisplay); + return this; - controller.updateDisplay(); + }, - } + applyMatrix4: function ( m ) { - controller.setValue = common.compose(function(r) { - if (gui.getRoot().__preset_select && controller.isModified()) { - markPresetModified(gui.getRoot(), true); - } - return r; - }, controller.setValue); + var x = this.x, y = this.y, z = this.z, w = this.w; + var e = m.elements; - } + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; - function recallSavedValue(gui, controller) { + return this; - // Find the topmost GUI, that's where remembered objects live. - var root = gui.getRoot(); + }, - // Does the object we're controlling match anything we've been told to - // remember? - var matched_index = root.__rememberedObjects.indexOf(controller.object); + divideScalar: function ( scalar ) { - // Why yes, it does! - if (matched_index != -1) { + return this.multiplyScalar( 1 / scalar ); - // Let me fetch a map of controllers for thcommon.isObject. - var controller_map = - root.__rememberedObjectIndecesToControllers[matched_index]; + }, - // Ohp, I believe this is the first controller we've created for this - // object. Lets make the map fresh. - if (controller_map === undefined) { - controller_map = {}; - root.__rememberedObjectIndecesToControllers[matched_index] = - controller_map; - } + setAxisAngleFromQuaternion: function ( q ) { - // Keep track of this controller - controller_map[controller.property] = controller; + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm - // Okay, now have we saved any values for this controller? - if (root.load && root.load.remembered) { + // q is assumed to be normalized - var preset_map = root.load.remembered; + this.w = 2 * Math.acos( q.w ); - // Which preset are we trying to load? - var preset; + var s = Math.sqrt( 1 - q.w * q.w ); - if (preset_map[gui.preset]) { + if ( s < 0.0001 ) { - preset = preset_map[gui.preset]; + this.x = 1; + this.y = 0; + this.z = 0; - } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) { + } else { - // Uhh, you can have the default instead? - preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME]; + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; - } else { + } - // Nada. + return this; - return; + }, - } + setAxisAngleFromRotationMatrix: function ( m ) { + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm - // Did the loaded object remember thcommon.isObject? - if (preset[matched_index] && + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - // Did we remember this particular property? - preset[matched_index][controller.property] !== undefined) { + var angle, x, y, z, // variables for result + epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees - // We did remember something for this guy ... - var value = preset[matched_index][controller.property]; + te = m.elements, - // And that's what it is. - controller.initialValue = value; - controller.setValue(value); + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - } + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { - } + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms - } + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { - } + // this singularity is identity matrix so angle = 0 - function getLocalStorageHash(gui, key) { - // TODO how does this deal with multiple GUI's? - return document.location.href + '.' + key; + this.set( 1, 0, 0, 0 ); - } + return this; // zero angle, arbitrary axis - function addSaveMenu(gui) { + } - var div = gui.__save_row = document.createElement('li'); + // otherwise this singularity is angle = 180 - dom.addClass(gui.domElement, 'has-save'); + angle = Math.PI; - gui.__ul.insertBefore(div, gui.__ul.firstChild); + var xx = ( m11 + 1 ) / 2; + var yy = ( m22 + 1 ) / 2; + var zz = ( m33 + 1 ) / 2; + var xy = ( m12 + m21 ) / 4; + var xz = ( m13 + m31 ) / 4; + var yz = ( m23 + m32 ) / 4; - dom.addClass(div, 'save-row'); + if ( ( xx > yy ) && ( xx > zz ) ) { - var gears = document.createElement('span'); - gears.innerHTML = ' '; - dom.addClass(gears, 'button gears'); + // m11 is the largest diagonal term - // TODO replace with FunctionController - var button = document.createElement('span'); - button.innerHTML = 'Save'; - dom.addClass(button, 'button'); - dom.addClass(button, 'save'); + if ( xx < epsilon ) { - var button2 = document.createElement('span'); - button2.innerHTML = 'New'; - dom.addClass(button2, 'button'); - dom.addClass(button2, 'save-as'); + x = 0; + y = 0.707106781; + z = 0.707106781; - var button3 = document.createElement('span'); - button3.innerHTML = 'Revert'; - dom.addClass(button3, 'button'); - dom.addClass(button3, 'revert'); + } else { - var select = gui.__preset_select = document.createElement('select'); + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; - if (gui.load && gui.load.remembered) { + } - common.each(gui.load.remembered, function(value, key) { - addPresetOption(gui, key, key == gui.preset); - }); + } else if ( yy > zz ) { - } else { - addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false); - } + // m22 is the largest diagonal term - dom.bind(select, 'change', function() { + if ( yy < epsilon ) { + x = 0.707106781; + y = 0; + z = 0.707106781; - for (var index = 0; index < gui.__preset_select.length; index++) { - gui.__preset_select[index].innerHTML = gui.__preset_select[index].value; - } + } else { - gui.preset = this.value; + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; - }); + } - div.appendChild(select); - div.appendChild(gears); - div.appendChild(button); - div.appendChild(button2); - div.appendChild(button3); + } else { - if (SUPPORTS_LOCAL_STORAGE) { + // m33 is the largest diagonal term so base result on this - var saveLocally = document.getElementById('dg-save-locally'); - var explain = document.getElementById('dg-local-explain'); + if ( zz < epsilon ) { - saveLocally.style.display = 'block'; + x = 0.707106781; + y = 0.707106781; + z = 0; - var localStorageCheckBox = document.getElementById('dg-local-storage'); + } else { - if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') { - localStorageCheckBox.setAttribute('checked', 'checked'); - } + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; - function showHideExplain() { - explain.style.display = gui.useLocalStorage ? 'block' : 'none'; - } + } - showHideExplain(); + } - // TODO: Use a boolean controller, fool! - dom.bind(localStorageCheckBox, 'change', function() { - gui.useLocalStorage = !gui.useLocalStorage; - showHideExplain(); - }); + this.set( x, y, z, angle ); - } + return this; // return 180 deg rotation - var newConstructorTextArea = document.getElementById('dg-new-constructor'); + } - dom.bind(newConstructorTextArea, 'keydown', function(e) { - if (e.metaKey && (e.which === 67 || e.keyCode == 67)) { - SAVE_DIALOGUE.hide(); - } - }); + // as we have reached here there are no singularities so we can handle normally - dom.bind(gears, 'click', function() { - newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2); - SAVE_DIALOGUE.show(); - newConstructorTextArea.focus(); - newConstructorTextArea.select(); - }); + var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize - dom.bind(button, 'click', function() { - gui.save(); - }); + if ( Math.abs( s ) < 0.001 ) s = 1; - dom.bind(button2, 'click', function() { - var presetName = prompt('Enter a new preset name.'); - if (presetName) gui.saveAs(presetName); - }); + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case - dom.bind(button3, 'click', function() { - gui.revert(); - }); + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); - // div.appendChild(button2); + return this; - } + }, - function addResizeHandle(gui) { + min: function ( v ) { - gui.__resize_handle = document.createElement('div'); + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); - common.extend(gui.__resize_handle.style, { + return this; - width: '6px', - marginLeft: '-3px', - height: '200px', - cursor: 'ew-resize', - position: 'absolute' - // border: '1px solid blue' + }, - }); + max: function ( v ) { - var pmouseX; + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); - dom.bind(gui.__resize_handle, 'mousedown', dragStart); - dom.bind(gui.__closeButton, 'mousedown', dragStart); + return this; - gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild); + }, - function dragStart(e) { + clamp: function ( min, max ) { - e.preventDefault(); + // This function assumes min < max, if this assumption isn't true it will not operate correctly - pmouseX = e.clientX; + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); - dom.addClass(gui.__closeButton, GUI.CLASS_DRAG); - dom.bind(window, 'mousemove', drag); - dom.bind(window, 'mouseup', dragStop); + return this; - return false; + }, - } + clampScalar: function () { - function drag(e) { + var min, max; - e.preventDefault(); + return function clampScalar( minVal, maxVal ) { - gui.width += pmouseX - e.clientX; - gui.onResize(); - pmouseX = e.clientX; + if ( min === undefined ) { - return false; + min = new Vector4(); + max = new Vector4(); - } + } - function dragStop() { + min.set( minVal, minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal, maxVal ); - dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG); - dom.unbind(window, 'mousemove', drag); - dom.unbind(window, 'mouseup', dragStop); + return this.clamp( min, max ); - } + }; - } + }(), - function setWidth(gui, w) { - gui.domElement.style.width = w + 'px'; - // Auto placed save-rows are position fixed, so we have to - // set the width manually if we want it to bleed to the edge - if (gui.__save_row && gui.autoPlace) { - gui.__save_row.style.width = w + 'px'; - }if (gui.__closeButton) { - gui.__closeButton.style.width = w + 'px'; - } - } + floor: function () { - function getCurrentPreset(gui, useInitialValues) { + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); - var toReturn = {}; + return this; - // For each object I'm remembering - common.each(gui.__rememberedObjects, function(val, index) { + }, - var saved_values = {}; + ceil: function () { - // The controllers I've made for thcommon.isObject by property - var controller_map = - gui.__rememberedObjectIndecesToControllers[index]; + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); - // Remember each value for each property - common.each(controller_map, function(controller, property) { - saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue(); - }); + return this; - // Save the values for thcommon.isObject - toReturn[index] = saved_values; + }, - }); + round: function () { - return toReturn; + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); - } + return this; - function addPresetOption(gui, name, setSelected) { - var opt = document.createElement('option'); - opt.innerHTML = name; - opt.value = name; - gui.__preset_select.appendChild(opt); - if (setSelected) { - gui.__preset_select.selectedIndex = gui.__preset_select.length - 1; - } - } + }, - function setPresetSelectIndex(gui) { - for (var index = 0; index < gui.__preset_select.length; index++) { - if (gui.__preset_select[index].value == gui.preset) { - gui.__preset_select.selectedIndex = index; - } - } - } + roundToZero: function () { - function markPresetModified(gui, modified) { - var opt = gui.__preset_select[gui.__preset_select.selectedIndex]; - // console.log('mark', modified, opt); - if (modified) { - opt.innerHTML = opt.value + "*"; - } else { - opt.innerHTML = opt.value; - } - } + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); - function updateDisplays(controllerArray) { + return this; + }, - if (controllerArray.length != 0) { + negate: function () { - requestAnimationFrame(function() { - updateDisplays(controllerArray); - }); + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; - } + return this; - common.each(controllerArray, function(c) { - c.updateDisplay(); - }); + }, - } + dot: function ( v ) { - return GUI; + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; - })(dat.utils.css, - "
\n\n Here's the new load parameter for your GUI's constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI's constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
", - ".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", - dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) { + }, - return function(object, property) { + lengthSq: function () { - var initialValue = object[property]; + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; - // Providing options? - if (common.isArray(arguments[2]) || common.isObject(arguments[2])) { - return new OptionController(object, property, arguments[2]); - } + }, - // Providing a map? + length: function () { - if (common.isNumber(initialValue)) { + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); - if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) { + }, - // Has min and max. - return new NumberControllerSlider(object, property, arguments[2], arguments[3]); + lengthManhattan: function () { - } else { + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); - return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] }); + }, - } + normalize: function () { - } + return this.divideScalar( this.length() ); - if (common.isString(initialValue)) { - return new StringController(object, property); - } + }, - if (common.isFunction(initialValue)) { - return new FunctionController(object, property, ''); - } + setLength: function ( length ) { - if (common.isBoolean(initialValue)) { - return new BooleanController(object, property); - } + return this.multiplyScalar( length / this.length() ); - } + }, - })(dat.controllers.OptionController, - dat.controllers.NumberControllerBox, - dat.controllers.NumberControllerSlider, - dat.controllers.StringController = (function (Controller, dom, common) { + lerp: function ( v, alpha ) { - /** - * @class Provides a text input to alter the string property of an object. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var StringController = function(object, property) { + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; - StringController.superclass.call(this, object, property); + return this; - var _this = this; + }, - this.__input = document.createElement('input'); - this.__input.setAttribute('type', 'text'); + lerpVectors: function ( v1, v2, alpha ) { - dom.bind(this.__input, 'keyup', onChange); - dom.bind(this.__input, 'change', onChange); - dom.bind(this.__input, 'blur', onBlur); - dom.bind(this.__input, 'keydown', function(e) { - if (e.keyCode === 13) { - this.blur(); - } - }); - + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - function onChange() { - _this.setValue(_this.__input.value); - } + }, - function onBlur() { - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + equals: function ( v ) { - this.updateDisplay(); + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); - this.domElement.appendChild(this.__input); + }, - }; + fromArray: function ( array, offset ) { - StringController.superclass = Controller; + if ( offset === undefined ) offset = 0; - common.extend( + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; - StringController.prototype, - Controller.prototype, + return this; - { + }, - updateDisplay: function() { - // Stops the caret from moving on account of: - // keyup -> setValue -> updateDisplay - if (!dom.isActive(this.__input)) { - this.__input.value = this.getValue(); - } - return StringController.superclass.prototype.updateDisplay.call(this); - } + toArray: function ( array, offset ) { - } + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - ); + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; - return StringController; + return array; - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common), - dat.controllers.FunctionController, - dat.controllers.BooleanController, - dat.utils.common), - dat.controllers.Controller, - dat.controllers.BooleanController, - dat.controllers.FunctionController, - dat.controllers.NumberControllerBox, - dat.controllers.NumberControllerSlider, - dat.controllers.OptionController, - dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) { + }, - var ColorController = function(object, property) { + fromAttribute: function ( attribute, index, offset ) { - ColorController.superclass.call(this, object, property); + if ( offset === undefined ) offset = 0; - this.__color = new Color(this.getValue()); - this.__temp = new Color(0); + index = index * attribute.itemSize + offset; - var _this = this; + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; + this.w = attribute.array[ index + 3 ]; - this.domElement = document.createElement('div'); + return this; - dom.makeSelectable(this.domElement, false); + } - this.__selector = document.createElement('div'); - this.__selector.className = 'selector'; + }; - this.__saturation_field = document.createElement('div'); - this.__saturation_field.className = 'saturation-field'; + /** + * @author szimek / https://github.com/szimek/ + * @author alteredq / http://alteredqualia.com/ + * @author Marius Kintel / https://github.com/kintel + */ - this.__field_knob = document.createElement('div'); - this.__field_knob.className = 'field-knob'; - this.__field_knob_border = '2px solid '; + /* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers + */ + function WebGLRenderTarget( width, height, options ) { - this.__hue_knob = document.createElement('div'); - this.__hue_knob.className = 'hue-knob'; + this.uuid = _Math.generateUUID(); - this.__hue_field = document.createElement('div'); - this.__hue_field.className = 'hue-field'; + this.width = width; + this.height = height; - this.__input = document.createElement('input'); - this.__input.type = 'text'; - this.__input_textShadow = '0 1px 1px '; + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; - dom.bind(this.__input, 'keydown', function(e) { - if (e.keyCode === 13) { // on enter - onBlur.call(this); - } - }); + this.viewport = new Vector4( 0, 0, width, height ); - dom.bind(this.__input, 'blur', onBlur); + options = options || {}; - dom.bind(this.__selector, 'mousedown', function(e) { + if ( options.minFilter === undefined ) options.minFilter = LinearFilter; - dom - .addClass(this, 'drag') - .bind(window, 'mouseup', function(e) { - dom.removeClass(_this.__selector, 'drag'); - }); + this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); - }); + this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; + this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; + this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; - var value_field = document.createElement('div'); + } - common.extend(this.__selector.style, { - width: '122px', - height: '102px', - padding: '3px', - backgroundColor: '#222', - boxShadow: '0px 1px 3px rgba(0,0,0,0.3)' - }); + Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, { - common.extend(this.__field_knob.style, { - position: 'absolute', - width: '12px', - height: '12px', - border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'), - boxShadow: '0px 1px 3px rgba(0,0,0,0.5)', - borderRadius: '12px', - zIndex: 1 - }); - - common.extend(this.__hue_knob.style, { - position: 'absolute', - width: '15px', - height: '2px', - borderRight: '4px solid #fff', - zIndex: 1 - }); + isWebGLRenderTarget: true, - common.extend(this.__saturation_field.style, { - width: '100px', - height: '100px', - border: '1px solid #555', - marginRight: '3px', - display: 'inline-block', - cursor: 'pointer' - }); + setSize: function ( width, height ) { - common.extend(value_field.style, { - width: '100%', - height: '100%', - background: 'none' - }); - - linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000'); + if ( this.width !== width || this.height !== height ) { - common.extend(this.__hue_field.style, { - width: '15px', - height: '100px', - display: 'inline-block', - border: '1px solid #555', - cursor: 'ns-resize' - }); + this.width = width; + this.height = height; - hueGradient(this.__hue_field); + this.dispose(); - common.extend(this.__input.style, { - outline: 'none', - // width: '120px', - textAlign: 'center', - // padding: '4px', - // marginBottom: '6px', - color: '#fff', - border: 0, - fontWeight: 'bold', - textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)' - }); + } - dom.bind(this.__saturation_field, 'mousedown', fieldDown); - dom.bind(this.__field_knob, 'mousedown', fieldDown); + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); - dom.bind(this.__hue_field, 'mousedown', function(e) { - setH(e); - dom.bind(window, 'mousemove', setH); - dom.bind(window, 'mouseup', unbindH); - }); + }, - function fieldDown(e) { - setSV(e); - // document.body.style.cursor = 'none'; - dom.bind(window, 'mousemove', setSV); - dom.bind(window, 'mouseup', unbindSV); - } + clone: function () { - function unbindSV() { - dom.unbind(window, 'mousemove', setSV); - dom.unbind(window, 'mouseup', unbindSV); - // document.body.style.cursor = 'default'; - } + return new this.constructor().copy( this ); - function onBlur() { - var i = interpret(this.value); - if (i !== false) { - _this.__color.__state = i; - _this.setValue(_this.__color.toOriginal()); - } else { - this.value = _this.__color.toString(); - } - } + }, - function unbindH() { - dom.unbind(window, 'mousemove', setH); - dom.unbind(window, 'mouseup', unbindH); - } + copy: function ( source ) { - this.__saturation_field.appendChild(value_field); - this.__selector.appendChild(this.__field_knob); - this.__selector.appendChild(this.__saturation_field); - this.__selector.appendChild(this.__hue_field); - this.__hue_field.appendChild(this.__hue_knob); + this.width = source.width; + this.height = source.height; - this.domElement.appendChild(this.__input); - this.domElement.appendChild(this.__selector); + this.viewport.copy( source.viewport ); - this.updateDisplay(); + this.texture = source.texture.clone(); - function setSV(e) { + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.depthTexture = source.depthTexture; - e.preventDefault(); + return this; - var w = dom.getWidth(_this.__saturation_field); - var o = dom.getOffset(_this.__saturation_field); - var s = (e.clientX - o.left + document.body.scrollLeft) / w; - var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w; + }, - if (v > 1) v = 1; - else if (v < 0) v = 0; + dispose: function () { - if (s > 1) s = 1; - else if (s < 0) s = 0; + this.dispatchEvent( { type: 'dispose' } ); - _this.__color.v = v; - _this.__color.s = s; + } - _this.setValue(_this.__color.toOriginal()); + } ); + /** + * @author alteredq / http://alteredqualia.com + */ - return false; + function WebGLRenderTargetCube( width, height, options ) { - } + WebGLRenderTarget.call( this, width, height, options ); - function setH(e) { + this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5 + this.activeMipMapLevel = 0; - e.preventDefault(); + } - var s = dom.getHeight(_this.__hue_field); - var o = dom.getOffset(_this.__hue_field); - var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s; + WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); + WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; - if (h > 1) h = 1; - else if (h < 0) h = 0; + WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; - _this.__color.h = h * 360; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ - _this.setValue(_this.__color.toOriginal()); + function Quaternion( x, y, z, w ) { - return false; + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._w = ( w !== undefined ) ? w : 1; - } + } - }; + Quaternion.prototype = { - ColorController.superclass = Controller; + constructor: Quaternion, - common.extend( + get x () { - ColorController.prototype, - Controller.prototype, + return this._x; - { + }, - updateDisplay: function() { + set x ( value ) { - var i = interpret(this.getValue()); + this._x = value; + this.onChangeCallback(); - if (i !== false) { + }, - var mismatch = false; + get y () { - // Check for mismatch on the interpreted value. + return this._y; - common.each(Color.COMPONENTS, function(component) { - if (!common.isUndefined(i[component]) && - !common.isUndefined(this.__color.__state[component]) && - i[component] !== this.__color.__state[component]) { - mismatch = true; - return {}; // break - } - }, this); + }, - // If nothing diverges, we keep our previous values - // for statefulness, otherwise we recalculate fresh - if (mismatch) { - common.extend(this.__color.__state, i); - } + set y ( value ) { - } + this._y = value; + this.onChangeCallback(); - common.extend(this.__temp.__state, this.__color.__state); + }, - this.__temp.a = 1; + get z () { - var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0; - var _flip = 255 - flip; + return this._z; - common.extend(this.__field_knob.style, { - marginLeft: 100 * this.__color.s - 7 + 'px', - marginTop: 100 * (1 - this.__color.v) - 7 + 'px', - backgroundColor: this.__temp.toString(), - border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')' - }); + }, - this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px' + set z ( value ) { - this.__temp.s = 1; - this.__temp.v = 1; + this._z = value; + this.onChangeCallback(); - linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString()); + }, - common.extend(this.__input.style, { - backgroundColor: this.__input.value = this.__color.toString(), - color: 'rgb(' + flip + ',' + flip + ',' + flip +')', - textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)' - }); + get w () { - } + return this._w; - } + }, - ); - - var vendors = ['-moz-','-o-','-webkit-','-ms-','']; - - function linearGradient(elem, x, a, b) { - elem.style.background = ''; - common.each(vendors, function(vendor) { - elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); '; - }); - } - - function hueGradient(elem) { - elem.style.background = ''; - elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);' - elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - } + set w ( value ) { + this._w = value; + this.onChangeCallback(); - return ColorController; + }, - })(dat.controllers.Controller, - dat.dom.dom, - dat.color.Color = (function (interpret, math, toString, common) { + set: function ( x, y, z, w ) { - var Color = function() { + this._x = x; + this._y = y; + this._z = z; + this._w = w; - this.__state = interpret.apply(this, arguments); + this.onChangeCallback(); - if (this.__state === false) { - throw 'Failed to interpret color arguments'; - } + return this; - this.__state.a = this.__state.a || 1; + }, + clone: function () { - }; + return new this.constructor( this._x, this._y, this._z, this._w ); - Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + }, - common.extend(Color.prototype, { + copy: function ( quaternion ) { - toString: function() { - return toString(this); - }, + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; - toOriginal: function() { - return this.__state.conversion.write(this); - } + this.onChangeCallback(); - }); + return this; - defineRGBComponent(Color.prototype, 'r', 2); - defineRGBComponent(Color.prototype, 'g', 1); - defineRGBComponent(Color.prototype, 'b', 0); + }, - defineHSVComponent(Color.prototype, 'h'); - defineHSVComponent(Color.prototype, 's'); - defineHSVComponent(Color.prototype, 'v'); + setFromEuler: function ( euler, update ) { - Object.defineProperty(Color.prototype, 'a', { + if ( (euler && euler.isEuler) === false ) { - get: function() { - return this.__state.a; - }, + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); - set: function(v) { - this.__state.a = v; - } + } - }); + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m - Object.defineProperty(Color.prototype, 'hex', { + var c1 = Math.cos( euler._x / 2 ); + var c2 = Math.cos( euler._y / 2 ); + var c3 = Math.cos( euler._z / 2 ); + var s1 = Math.sin( euler._x / 2 ); + var s2 = Math.sin( euler._y / 2 ); + var s3 = Math.sin( euler._z / 2 ); - get: function() { + var order = euler.order; - if (!this.__state.space !== 'HEX') { - this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); - } + if ( order === 'XYZ' ) { - return this.__state.hex; + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - }, + } else if ( order === 'YXZ' ) { - set: function(v) { + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - this.__state.space = 'HEX'; - this.__state.hex = v; + } else if ( order === 'ZXY' ) { - } + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - }); + } else if ( order === 'ZYX' ) { - function defineRGBComponent(target, component, componentHexIndex) { + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - Object.defineProperty(target, component, { + } else if ( order === 'YZX' ) { - get: function() { + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - if (this.__state.space === 'RGB') { - return this.__state[component]; - } + } else if ( order === 'XZY' ) { - recalculateRGB(this, component, componentHexIndex); + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - return this.__state[component]; + } - }, + if ( update !== false ) this.onChangeCallback(); - set: function(v) { + return this; - if (this.__state.space !== 'RGB') { - recalculateRGB(this, component, componentHexIndex); - this.__state.space = 'RGB'; - } + }, - this.__state[component] = v; + setFromAxisAngle: function ( axis, angle ) { - } + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm - }); + // assumes axis is normalized - } + var halfAngle = angle / 2, s = Math.sin( halfAngle ); - function defineHSVComponent(target, component) { + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); - Object.defineProperty(target, component, { + this.onChangeCallback(); - get: function() { + return this; - if (this.__state.space === 'HSV') - return this.__state[component]; + }, - recalculateHSV(this); + setFromRotationMatrix: function ( m ) { - return this.__state[component]; + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm - }, + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - set: function(v) { + var te = m.elements, - if (this.__state.space !== 'HSV') { - recalculateHSV(this); - this.__state.space = 'HSV'; - } + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], - this.__state[component] = v; + trace = m11 + m22 + m33, + s; - } + if ( trace > 0 ) { - }); + s = 0.5 / Math.sqrt( trace + 1.0 ); - } + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; - function recalculateRGB(color, component, componentHexIndex) { + } else if ( m11 > m22 && m11 > m33 ) { - if (color.__state.space === 'HEX') { + s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); - color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; - } else if (color.__state.space === 'HSV') { + } else if ( m22 > m33 ) { - common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); - } else { + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; - throw 'Corrupted color state'; + } else { - } + s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); - } + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; - function recalculateHSV(color) { + } - var result = math.rgb_to_hsv(color.r, color.g, color.b); - - common.extend(color.__state, - { - s: result.s, - v: result.v - } - ); + this.onChangeCallback(); - if (!common.isNaN(result.h)) { - color.__state.h = result.h; - } else if (common.isUndefined(color.__state.h)) { - color.__state.h = 0; - } + return this; - } + }, - return Color; + setFromUnitVectors: function () { - })(dat.color.interpret, - dat.color.math = (function () { + // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final - var tmpComponent; + // assumes direction vectors vFrom and vTo are normalized - return { + var v1, r; - hsv_to_rgb: function(h, s, v) { + var EPS = 0.000001; - var hi = Math.floor(h / 60) % 6; + return function setFromUnitVectors( vFrom, vTo ) { - var f = h / 60 - Math.floor(h / 60); - var p = v * (1.0 - s); - var q = v * (1.0 - (f * s)); - var t = v * (1.0 - ((1.0 - f) * s)); - var c = [ - [v, t, p], - [q, v, p], - [p, v, t], - [p, q, v], - [t, p, v], - [v, p, q] - ][hi]; + if ( v1 === undefined ) v1 = new Vector3(); - return { - r: c[0] * 255, - g: c[1] * 255, - b: c[2] * 255 - }; + r = vFrom.dot( vTo ) + 1; - }, + if ( r < EPS ) { - rgb_to_hsv: function(r, g, b) { + r = 0; - var min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s; + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { - if (max != 0) { - s = delta / max; - } else { - return { - h: NaN, - s: 0, - v: 0 - }; - } + v1.set( - vFrom.y, vFrom.x, 0 ); - if (r == max) { - h = (g - b) / delta; - } else if (g == max) { - h = 2 + (b - r) / delta; - } else { - h = 4 + (r - g) / delta; - } - h /= 6; - if (h < 0) { - h += 1; - } + } else { - return { - h: h * 360, - s: s, - v: max / 255 - }; - }, + v1.set( 0, - vFrom.z, vFrom.y ); - rgb_to_hex: function(r, g, b) { - var hex = this.hex_with_component(0, 2, r); - hex = this.hex_with_component(hex, 1, g); - hex = this.hex_with_component(hex, 0, b); - return hex; - }, + } - component_from_hex: function(hex, componentIndex) { - return (hex >> (componentIndex * 8)) & 0xFF; - }, + } else { - hex_with_component: function(hex, componentIndex, value) { - return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); - } + v1.crossVectors( vFrom, vTo ); - } + } - })(), - dat.color.toString, - dat.utils.common), - dat.color.interpret, - dat.utils.common), - dat.utils.requestAnimationFrame = (function () { + this._x = v1.x; + this._y = v1.y; + this._z = v1.z; + this._w = r; - /** - * requirejs version of Paul Irish's RequestAnimationFrame - * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ - */ + return this.normalize(); - return window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback, element) { + }; - window.setTimeout(callback, 1000 / 60); + }(), - }; - })(), - dat.dom.CenteredDiv = (function (dom, common) { + inverse: function () { + return this.conjugate().normalize(); - var CenteredDiv = function() { + }, - this.backgroundElement = document.createElement('div'); - common.extend(this.backgroundElement.style, { - backgroundColor: 'rgba(0,0,0,0.8)', - top: 0, - left: 0, - display: 'none', - zIndex: '1000', - opacity: 0, - WebkitTransition: 'opacity 0.2s linear' - }); + conjugate: function () { - dom.makeFullscreen(this.backgroundElement); - this.backgroundElement.style.position = 'fixed'; + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; - this.domElement = document.createElement('div'); - common.extend(this.domElement.style, { - position: 'fixed', - display: 'none', - zIndex: '1001', - opacity: 0, - WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear' - }); + this.onChangeCallback(); + return this; - document.body.appendChild(this.backgroundElement); - document.body.appendChild(this.domElement); + }, - var _this = this; - dom.bind(this.backgroundElement, 'click', function() { - _this.hide(); - }); + dot: function ( v ) { + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; - }; + }, - CenteredDiv.prototype.show = function() { + lengthSq: function () { - var _this = this; - + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + }, - this.backgroundElement.style.display = 'block'; + length: function () { - this.domElement.style.display = 'block'; - this.domElement.style.opacity = 0; - // this.domElement.style.top = '52%'; - this.domElement.style.webkitTransform = 'scale(1.1)'; + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); - this.layout(); + }, - common.defer(function() { - _this.backgroundElement.style.opacity = 1; - _this.domElement.style.opacity = 1; - _this.domElement.style.webkitTransform = 'scale(1)'; - }); + normalize: function () { - }; + var l = this.length(); - CenteredDiv.prototype.hide = function() { + if ( l === 0 ) { - var _this = this; + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; - var hide = function() { + } else { - _this.domElement.style.display = 'none'; - _this.backgroundElement.style.display = 'none'; + l = 1 / l; - dom.unbind(_this.domElement, 'webkitTransitionEnd', hide); - dom.unbind(_this.domElement, 'transitionend', hide); - dom.unbind(_this.domElement, 'oTransitionEnd', hide); + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; - }; + } - dom.bind(this.domElement, 'webkitTransitionEnd', hide); - dom.bind(this.domElement, 'transitionend', hide); - dom.bind(this.domElement, 'oTransitionEnd', hide); + this.onChangeCallback(); - this.backgroundElement.style.opacity = 0; - // this.domElement.style.top = '48%'; - this.domElement.style.opacity = 0; - this.domElement.style.webkitTransform = 'scale(1.1)'; + return this; - }; + }, - CenteredDiv.prototype.layout = function() { - this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px'; - this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px'; - }; - - function lockScroll(e) { - console.log(e); - } + multiply: function ( q, p ) { - return CenteredDiv; + if ( p !== undefined ) { - })(dat.dom.dom, - dat.utils.common), - dat.dom.dom, - dat.utils.common); - -/***/ }, -/* 5 */ -/***/ function(module, exports) { - - /** - * dat-gui JavaScript Controller Library - * http://code.google.com/p/dat-gui - * - * Copyright 2011 Data Arts Team, Google Creative Lab - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ + console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); + return this.multiplyQuaternions( q, p ); - /** @namespace */ - var dat = module.exports = dat || {}; + } - /** @namespace */ - dat.color = dat.color || {}; + return this.multiplyQuaternions( this, q ); - /** @namespace */ - dat.utils = dat.utils || {}; + }, - dat.utils.common = (function () { - - var ARR_EACH = Array.prototype.forEach; - var ARR_SLICE = Array.prototype.slice; + premultiply: function ( q ) { - /** - * Band-aid methods for things that should be a lot easier in JavaScript. - * Implementation and structure inspired by underscore.js - * http://documentcloud.github.com/underscore/ - */ + return this.multiplyQuaternions( q, this ); - return { - - BREAK: {}, - - extend: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (!this.isUndefined(obj[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - defaults: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (this.isUndefined(target[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - compose: function() { - var toCall = ARR_SLICE.call(arguments); - return function() { - var args = ARR_SLICE.call(arguments); - for (var i = toCall.length -1; i >= 0; i--) { - args = [toCall[i].apply(this, args)]; - } - return args[0]; - } - }, - - each: function(obj, itr, scope) { + }, - - if (ARR_EACH && obj.forEach === ARR_EACH) { - - obj.forEach(itr, scope); - - } else if (obj.length === obj.length + 0) { // Is number but not NaN - - for (var key = 0, l = obj.length; key < l; key++) - if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) - return; - - } else { + multiplyQuaternions: function ( a, b ) { - for (var key in obj) - if (itr.call(scope, obj[key], key) === this.BREAK) - return; - - } - - }, - - defer: function(fnc) { - setTimeout(fnc, 0); - }, - - toArray: function(obj) { - if (obj.toArray) return obj.toArray(); - return ARR_SLICE.call(obj); - }, + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm - isUndefined: function(obj) { - return obj === undefined; - }, - - isNull: function(obj) { - return obj === null; - }, - - isNaN: function(obj) { - return obj !== obj; - }, - - isArray: Array.isArray || function(obj) { - return obj.constructor === Array; - }, - - isObject: function(obj) { - return obj === Object(obj); - }, - - isNumber: function(obj) { - return obj === obj+0; - }, - - isString: function(obj) { - return obj === obj+''; - }, - - isBoolean: function(obj) { - return obj === false || obj === true; - }, - - isFunction: function(obj) { - return Object.prototype.toString.call(obj) === '[object Function]'; - } - - }; - - })(); + var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; - dat.color.toString = (function (common) { + this.onChangeCallback(); - return function(color) { + return this; - if (color.a == 1 || common.isUndefined(color.a)) { + }, - var s = color.hex.toString(16); - while (s.length < 6) { - s = '0' + s; - } + slerp: function ( qb, t ) { - return '#' + s; + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); - } else { + var x = this._x, y = this._y, z = this._z, w = this._w; - return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ - } + var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; - } + if ( cosHalfTheta < 0 ) { - })(dat.utils.common); + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + cosHalfTheta = - cosHalfTheta; - dat.Color = dat.color.Color = (function (interpret, math, toString, common) { + } else { - var Color = function() { + this.copy( qb ); - this.__state = interpret.apply(this, arguments); + } - if (this.__state === false) { - throw 'Failed to interpret color arguments'; - } + if ( cosHalfTheta >= 1.0 ) { - this.__state.a = this.__state.a || 1; + this._w = w; + this._x = x; + this._y = y; + this._z = z; + return this; - }; + } - Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); - common.extend(Color.prototype, { + if ( Math.abs( sinHalfTheta ) < 0.001 ) { - toString: function() { - return toString(this); - }, + this._w = 0.5 * ( w + this._w ); + this._x = 0.5 * ( x + this._x ); + this._y = 0.5 * ( y + this._y ); + this._z = 0.5 * ( z + this._z ); - toOriginal: function() { - return this.__state.conversion.write(this); - } + return this; - }); + } - defineRGBComponent(Color.prototype, 'r', 2); - defineRGBComponent(Color.prototype, 'g', 1); - defineRGBComponent(Color.prototype, 'b', 0); + var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; - defineHSVComponent(Color.prototype, 'h'); - defineHSVComponent(Color.prototype, 's'); - defineHSVComponent(Color.prototype, 'v'); + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); - Object.defineProperty(Color.prototype, 'a', { + this.onChangeCallback(); - get: function() { - return this.__state.a; - }, + return this; - set: function(v) { - this.__state.a = v; - } + }, - }); + equals: function ( quaternion ) { - Object.defineProperty(Color.prototype, 'hex', { + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); - get: function() { + }, - if (!this.__state.space !== 'HEX') { - this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); - } + fromArray: function ( array, offset ) { - return this.__state.hex; + if ( offset === undefined ) offset = 0; - }, + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; - set: function(v) { + this.onChangeCallback(); - this.__state.space = 'HEX'; - this.__state.hex = v; + return this; - } + }, - }); + toArray: function ( array, offset ) { - function defineRGBComponent(target, component, componentHexIndex) { + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - Object.defineProperty(target, component, { + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; - get: function() { + return array; - if (this.__state.space === 'RGB') { - return this.__state[component]; - } + }, - recalculateRGB(this, component, componentHexIndex); + onChange: function ( callback ) { - return this.__state[component]; + this.onChangeCallback = callback; - }, + return this; - set: function(v) { + }, - if (this.__state.space !== 'RGB') { - recalculateRGB(this, component, componentHexIndex); - this.__state.space = 'RGB'; - } + onChangeCallback: function () {} - this.__state[component] = v; + }; - } + Object.assign( Quaternion, { - }); + slerp: function( qa, qb, qm, t ) { - } + return qm.copy( qa ).slerp( qb, t ); - function defineHSVComponent(target, component) { + }, - Object.defineProperty(target, component, { + slerpFlat: function( + dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { - get: function() { + // fuzz-free, array-based Quaternion SLERP operation - if (this.__state.space === 'HSV') - return this.__state[component]; + var x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ], - recalculateHSV(this); + x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; - return this.__state[component]; + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { - }, + var s = 1 - t, - set: function(v) { + cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, - if (this.__state.space !== 'HSV') { - recalculateHSV(this); - this.__state.space = 'HSV'; - } + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; - this.__state[component] = v; + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { - } + var sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); - }); + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; - } + } - function recalculateRGB(color, component, componentHexIndex) { + var tDir = t * dir; - if (color.__state.space === 'HEX') { + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; - color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { - } else if (color.__state.space === 'HSV') { + var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); - common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; - } else { + } - throw 'Corrupted color state'; + } - } + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; - } + } - function recalculateHSV(color) { + } ); - var result = math.rgb_to_hsv(color.r, color.g, color.b); + /** + * @author mrdoob / http://mrdoob.com/ + * @author *kile / http://kile.stravaganza.org/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ - common.extend(color.__state, - { - s: result.s, - v: result.v - } - ); + function Vector3( x, y, z ) { - if (!common.isNaN(result.h)) { - color.__state.h = result.h; - } else if (common.isUndefined(color.__state.h)) { - color.__state.h = 0; - } + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; - } + } - return Color; + Vector3.prototype = { - })(dat.color.interpret = (function (toString, common) { + constructor: Vector3, - var result, toReturn; + isVector3: true, - var interpret = function() { + set: function ( x, y, z ) { - toReturn = false; + this.x = x; + this.y = y; + this.z = z; - var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + return this; - common.each(INTERPRETATIONS, function(family) { + }, - if (family.litmus(original)) { + setScalar: function ( scalar ) { - common.each(family.conversions, function(conversion, conversionName) { + this.x = scalar; + this.y = scalar; + this.z = scalar; - result = conversion.read(original); + return this; - if (toReturn === false && result !== false) { - toReturn = result; - result.conversionName = conversionName; - result.conversion = conversion; - return common.BREAK; + }, - } + setX: function ( x ) { - }); + this.x = x; - return common.BREAK; + return this; - } + }, - }); + setY: function ( y ) { - return toReturn; + this.y = y; - }; + return this; - var INTERPRETATIONS = [ + }, - // Strings - { + setZ: function ( z ) { - litmus: common.isString, + this.z = z; - conversions: { + return this; - THREE_CHAR_HEX: { + }, - read: function(original) { + setComponent: function ( index, value ) { - var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); - if (test === null) return false; + switch ( index ) { - return { - space: 'HEX', - hex: parseInt( - '0x' + - test[1].toString() + test[1].toString() + - test[2].toString() + test[2].toString() + - test[3].toString() + test[3].toString()) - }; + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); - }, + } + + return this; - write: toString + }, - }, + getComponent: function ( index ) { - SIX_CHAR_HEX: { + switch ( index ) { - read: function(original) { + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); - var test = original.match(/^#([A-F0-9]{6})$/i); - if (test === null) return false; + } - return { - space: 'HEX', - hex: parseInt('0x' + test[1].toString()) - }; + }, - }, + clone: function () { - write: toString + return new this.constructor( this.x, this.y, this.z ); - }, + }, - CSS_RGB: { + copy: function ( v ) { - read: function(original) { + this.x = v.x; + this.y = v.y; + this.z = v.z; - var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); - if (test === null) return false; + return this; - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]) - }; + }, - }, + add: function ( v, w ) { - write: toString + if ( w !== undefined ) { - }, + console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); - CSS_RGBA: { + } - read: function(original) { + this.x += v.x; + this.y += v.y; + this.z += v.z; - var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); - if (test === null) return false; + return this; - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]), - a: parseFloat(test[4]) - }; + }, - }, + addScalar: function ( s ) { - write: toString + this.x += s; + this.y += s; + this.z += s; - } + return this; - } + }, - }, + addVectors: function ( a, b ) { - // Numbers - { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; - litmus: common.isNumber, + return this; - conversions: { + }, - HEX: { - read: function(original) { - return { - space: 'HEX', - hex: original, - conversionName: 'HEX' - } - }, + addScaledVector: function ( v, s ) { - write: function(color) { - return color.hex; - } - } + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; - } + return this; - }, + }, - // Arrays - { + sub: function ( v, w ) { - litmus: common.isArray, + if ( w !== undefined ) { - conversions: { + console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - RGB_ARRAY: { - read: function(original) { - if (original.length != 3) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2] - }; - }, + } - write: function(color) { - return [color.r, color.g, color.b]; - } + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; - }, + return this; - RGBA_ARRAY: { - read: function(original) { - if (original.length != 4) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2], - a: original[3] - }; - }, + }, - write: function(color) { - return [color.r, color.g, color.b, color.a]; - } + subScalar: function ( s ) { - } + this.x -= s; + this.y -= s; + this.z -= s; - } + return this; - }, + }, - // Objects - { + subVectors: function ( a, b ) { - litmus: common.isObject, + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; - conversions: { + return this; - RGBA_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b) && - common.isNumber(original.a)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b, - a: original.a - } - } - return false; - }, + }, - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b, - a: color.a - } - } - }, + multiply: function ( v, w ) { - RGB_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b - } - } - return false; - }, + if ( w !== undefined ) { - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b - } - } - }, + console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); + return this.multiplyVectors( v, w ); - HSVA_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v) && - common.isNumber(original.a)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v, - a: original.a - } - } - return false; - }, + } - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v, - a: color.a - } - } - }, + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; - HSV_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v - } - } - return false; - }, + return this; - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v - } - } + }, - } + multiplyScalar: function ( scalar ) { - } + if ( isFinite( scalar ) ) { - } + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + } else { - ]; + this.x = 0; + this.y = 0; + this.z = 0; - return interpret; + } + return this; - })(dat.color.toString, - dat.utils.common), - dat.color.math = (function () { + }, - var tmpComponent; + multiplyVectors: function ( a, b ) { - return { + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; - hsv_to_rgb: function(h, s, v) { + return this; - var hi = Math.floor(h / 60) % 6; + }, - var f = h / 60 - Math.floor(h / 60); - var p = v * (1.0 - s); - var q = v * (1.0 - (f * s)); - var t = v * (1.0 - ((1.0 - f) * s)); - var c = [ - [v, t, p], - [q, v, p], - [p, v, t], - [p, q, v], - [t, p, v], - [v, p, q] - ][hi]; - - return { - r: c[0] * 255, - g: c[1] * 255, - b: c[2] * 255 - }; - - }, + applyEuler: function () { - rgb_to_hsv: function(r, g, b) { + var quaternion; - var min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s; + return function applyEuler( euler ) { - if (max != 0) { - s = delta / max; - } else { - return { - h: NaN, - s: 0, - v: 0 - }; - } + if ( (euler && euler.isEuler) === false ) { - if (r == max) { - h = (g - b) / delta; - } else if (g == max) { - h = 2 + (b - r) / delta; - } else { - h = 4 + (r - g) / delta; - } - h /= 6; - if (h < 0) { - h += 1; - } + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); - return { - h: h * 360, - s: s, - v: max / 255 - }; - }, + } - rgb_to_hex: function(r, g, b) { - var hex = this.hex_with_component(0, 2, r); - hex = this.hex_with_component(hex, 1, g); - hex = this.hex_with_component(hex, 0, b); - return hex; - }, + if ( quaternion === undefined ) quaternion = new Quaternion(); - component_from_hex: function(hex, componentIndex) { - return (hex >> (componentIndex * 8)) & 0xFF; - }, + return this.applyQuaternion( quaternion.setFromEuler( euler ) ); - hex_with_component: function(hex, componentIndex, value) { - return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); - } + }; - } + }(), - })(), - dat.color.toString, - dat.utils.common); - -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { - - (function (global, factory) { - true ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.THREE = global.THREE || {}))); - }(this, (function (exports) { 'use strict'; + applyAxisAngle: function () { - // Polyfills + var quaternion; - if ( Number.EPSILON === undefined ) { + return function applyAxisAngle( axis, angle ) { - Number.EPSILON = Math.pow( 2, - 52 ); + if ( quaternion === undefined ) quaternion = new Quaternion(); - } + return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) ); - // + }; - if ( Math.sign === undefined ) { + }(), - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign + applyMatrix3: function ( m ) { - Math.sign = function ( x ) { + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; - }; + return this; - } + }, - if ( Function.prototype.name === undefined ) { + applyMatrix4: function ( m ) { - // Missing in IE9-11. - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name + // input: THREE.Matrix4 affine matrix - Object.defineProperty( Function.prototype, 'name', { + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - get: function () { + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ]; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; - return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ]; + return this; - } + }, - } ); + applyProjection: function ( m ) { - } + // input: THREE.Matrix4 projection matrix - if ( Object.assign === undefined ) { + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide - // Missing in IE. - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d; - ( function () { + return this; - Object.assign = function ( target ) { + }, - 'use strict'; + applyQuaternion: function ( q ) { - if ( target === undefined || target === null ) { + var x = this.x, y = this.y, z = this.z; + var qx = q.x, qy = q.y, qz = q.z, qw = q.w; - throw new TypeError( 'Cannot convert undefined or null to object' ); + // calculate quat * vector - } + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = - qx * x - qy * y - qz * z; - var output = Object( target ); + // calculate result * inverse quat - for ( var index = 1; index < arguments.length; index ++ ) { + this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; + this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; + this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; - var source = arguments[ index ]; + return this; - if ( source !== undefined && source !== null ) { + }, - for ( var nextKey in source ) { + project: function () { - if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { + var matrix; - output[ nextKey ] = source[ nextKey ]; + return function project( camera ) { - } + if ( matrix === undefined ) matrix = new Matrix4(); - } + matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); + return this.applyProjection( matrix ); - } + }; - } + }(), - return output; + unproject: function () { - }; + var matrix; - } )(); + return function unproject( camera ) { - } + if ( matrix === undefined ) matrix = new Matrix4(); - /** - * https://github.com/mrdoob/eventdispatcher.js/ - */ + matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); + return this.applyProjection( matrix ); - function EventDispatcher() {} + }; - Object.assign( EventDispatcher.prototype, { + }(), - addEventListener: function ( type, listener ) { + transformDirection: function ( m ) { - if ( this._listeners === undefined ) this._listeners = {}; + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction - var listeners = this._listeners; + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - if ( listeners[ type ] === undefined ) { + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; - listeners[ type ] = []; + return this.normalize(); - } + }, - if ( listeners[ type ].indexOf( listener ) === - 1 ) { + divide: function ( v ) { - listeners[ type ].push( listener ); + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; - } + return this; }, - hasEventListener: function ( type, listener ) { - - if ( this._listeners === undefined ) return false; + divideScalar: function ( scalar ) { - var listeners = this._listeners; + return this.multiplyScalar( 1 / scalar ); - if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { + }, - return true; + min: function ( v ) { - } + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); - return false; + return this; }, - removeEventListener: function ( type, listener ) { - - if ( this._listeners === undefined ) return; + max: function ( v ) { - var listeners = this._listeners; - var listenerArray = listeners[ type ]; + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); - if ( listenerArray !== undefined ) { + return this; - var index = listenerArray.indexOf( listener ); + }, - if ( index !== - 1 ) { + clamp: function ( min, max ) { - listenerArray.splice( index, 1 ); + // This function assumes min < max, if this assumption isn't true it will not operate correctly - } + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); - } + return this; }, - dispatchEvent: function ( event ) { - - if ( this._listeners === undefined ) return; + clampScalar: function () { - var listeners = this._listeners; - var listenerArray = listeners[ event.type ]; + var min, max; - if ( listenerArray !== undefined ) { + return function clampScalar( minVal, maxVal ) { - event.target = this; + if ( min === undefined ) { - var array = [], i = 0; - var length = listenerArray.length; + min = new Vector3(); + max = new Vector3(); - for ( i = 0; i < length; i ++ ) { + } - array[ i ] = listenerArray[ i ]; + min.set( minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal ); - } + return this.clamp( min, max ); - for ( i = 0; i < length; i ++ ) { + }; - array[ i ].call( this, event ); + }(), - } + clampLength: function ( min, max ) { - } + var length = this.length(); - } + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); - } ); + }, - var REVISION = '82'; - var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; - var CullFaceNone = 0; - var CullFaceBack = 1; - var CullFaceFront = 2; - var CullFaceFrontBack = 3; - var FrontFaceDirectionCW = 0; - var FrontFaceDirectionCCW = 1; - var BasicShadowMap = 0; - var PCFShadowMap = 1; - var PCFSoftShadowMap = 2; - var FrontSide = 0; - var BackSide = 1; - var DoubleSide = 2; - var FlatShading = 1; - var SmoothShading = 2; - var NoColors = 0; - var FaceColors = 1; - var VertexColors = 2; - var NoBlending = 0; - var NormalBlending = 1; - var AdditiveBlending = 2; - var SubtractiveBlending = 3; - var MultiplyBlending = 4; - var CustomBlending = 5; - var BlendingMode = { - NoBlending: NoBlending, - NormalBlending: NormalBlending, - AdditiveBlending: AdditiveBlending, - SubtractiveBlending: SubtractiveBlending, - MultiplyBlending: MultiplyBlending, - CustomBlending: CustomBlending - }; - var AddEquation = 100; - var SubtractEquation = 101; - var ReverseSubtractEquation = 102; - var MinEquation = 103; - var MaxEquation = 104; - var ZeroFactor = 200; - var OneFactor = 201; - var SrcColorFactor = 202; - var OneMinusSrcColorFactor = 203; - var SrcAlphaFactor = 204; - var OneMinusSrcAlphaFactor = 205; - var DstAlphaFactor = 206; - var OneMinusDstAlphaFactor = 207; - var DstColorFactor = 208; - var OneMinusDstColorFactor = 209; - var SrcAlphaSaturateFactor = 210; - var NeverDepth = 0; - var AlwaysDepth = 1; - var LessDepth = 2; - var LessEqualDepth = 3; - var EqualDepth = 4; - var GreaterEqualDepth = 5; - var GreaterDepth = 6; - var NotEqualDepth = 7; - var MultiplyOperation = 0; - var MixOperation = 1; - var AddOperation = 2; - var NoToneMapping = 0; - var LinearToneMapping = 1; - var ReinhardToneMapping = 2; - var Uncharted2ToneMapping = 3; - var CineonToneMapping = 4; - var UVMapping = 300; - var CubeReflectionMapping = 301; - var CubeRefractionMapping = 302; - var EquirectangularReflectionMapping = 303; - var EquirectangularRefractionMapping = 304; - var SphericalReflectionMapping = 305; - var CubeUVReflectionMapping = 306; - var CubeUVRefractionMapping = 307; - var TextureMapping = { - UVMapping: UVMapping, - CubeReflectionMapping: CubeReflectionMapping, - CubeRefractionMapping: CubeRefractionMapping, - EquirectangularReflectionMapping: EquirectangularReflectionMapping, - EquirectangularRefractionMapping: EquirectangularRefractionMapping, - SphericalReflectionMapping: SphericalReflectionMapping, - CubeUVReflectionMapping: CubeUVReflectionMapping, - CubeUVRefractionMapping: CubeUVRefractionMapping - }; - var RepeatWrapping = 1000; - var ClampToEdgeWrapping = 1001; - var MirroredRepeatWrapping = 1002; - var TextureWrapping = { - RepeatWrapping: RepeatWrapping, - ClampToEdgeWrapping: ClampToEdgeWrapping, - MirroredRepeatWrapping: MirroredRepeatWrapping - }; - var NearestFilter = 1003; - var NearestMipMapNearestFilter = 1004; - var NearestMipMapLinearFilter = 1005; - var LinearFilter = 1006; - var LinearMipMapNearestFilter = 1007; - var LinearMipMapLinearFilter = 1008; - var TextureFilter = { - NearestFilter: NearestFilter, - NearestMipMapNearestFilter: NearestMipMapNearestFilter, - NearestMipMapLinearFilter: NearestMipMapLinearFilter, - LinearFilter: LinearFilter, - LinearMipMapNearestFilter: LinearMipMapNearestFilter, - LinearMipMapLinearFilter: LinearMipMapLinearFilter - }; - var UnsignedByteType = 1009; - var ByteType = 1010; - var ShortType = 1011; - var UnsignedShortType = 1012; - var IntType = 1013; - var UnsignedIntType = 1014; - var FloatType = 1015; - var HalfFloatType = 1016; - var UnsignedShort4444Type = 1017; - var UnsignedShort5551Type = 1018; - var UnsignedShort565Type = 1019; - var UnsignedInt248Type = 1020; - var AlphaFormat = 1021; - var RGBFormat = 1022; - var RGBAFormat = 1023; - var LuminanceFormat = 1024; - var LuminanceAlphaFormat = 1025; - var RGBEFormat = RGBAFormat; - var DepthFormat = 1026; - var DepthStencilFormat = 1027; - var RGB_S3TC_DXT1_Format = 2001; - var RGBA_S3TC_DXT1_Format = 2002; - var RGBA_S3TC_DXT3_Format = 2003; - var RGBA_S3TC_DXT5_Format = 2004; - var RGB_PVRTC_4BPPV1_Format = 2100; - var RGB_PVRTC_2BPPV1_Format = 2101; - var RGBA_PVRTC_4BPPV1_Format = 2102; - var RGBA_PVRTC_2BPPV1_Format = 2103; - var RGB_ETC1_Format = 2151; - var LoopOnce = 2200; - var LoopRepeat = 2201; - var LoopPingPong = 2202; - var InterpolateDiscrete = 2300; - var InterpolateLinear = 2301; - var InterpolateSmooth = 2302; - var ZeroCurvatureEnding = 2400; - var ZeroSlopeEnding = 2401; - var WrapAroundEnding = 2402; - var TrianglesDrawMode = 0; - var TriangleStripDrawMode = 1; - var TriangleFanDrawMode = 2; - var LinearEncoding = 3000; - var sRGBEncoding = 3001; - var GammaEncoding = 3007; - var RGBEEncoding = 3002; - var LogLuvEncoding = 3003; - var RGBM7Encoding = 3004; - var RGBM16Encoding = 3005; - var RGBDEncoding = 3006; - var BasicDepthPacking = 3200; - var RGBADepthPacking = 3201; + floor: function () { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); - var _Math = { + return this; - DEG2RAD: Math.PI / 180, - RAD2DEG: 180 / Math.PI, + }, - generateUUID: function () { + ceil: function () { - // http://www.broofa.com/Tools/Math.uuid.htm + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); - var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); - var uuid = new Array( 36 ); - var rnd = 0, r; + return this; - return function generateUUID() { + }, - for ( var i = 0; i < 36; i ++ ) { + round: function () { - if ( i === 8 || i === 13 || i === 18 || i === 23 ) { + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); - uuid[ i ] = '-'; + return this; - } else if ( i === 14 ) { + }, - uuid[ i ] = '4'; + roundToZero: function () { - } else { + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); - if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; - r = rnd & 0xf; - rnd = rnd >> 4; - uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; + return this; - } + }, - } + negate: function () { - return uuid.join( '' ); + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; - }; + return this; - }(), + }, - clamp: function ( value, min, max ) { + dot: function ( v ) { - return Math.max( min, Math.min( max, value ) ); + return this.x * v.x + this.y * v.y + this.z * v.z; }, - // compute euclidian modulo of m % n - // https://en.wikipedia.org/wiki/Modulo_operation - - euclideanModulo: function ( n, m ) { + lengthSq: function () { - return ( ( n % m ) + m ) % m; + return this.x * this.x + this.y * this.y + this.z * this.z; }, - // Linear mapping from range to range - - mapLinear: function ( x, a1, a2, b1, b2 ) { + length: function () { - return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); }, - // https://en.wikipedia.org/wiki/Linear_interpolation - - lerp: function ( x, y, t ) { + lengthManhattan: function () { - return ( 1 - t ) * x + t * y; + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); }, - // http://en.wikipedia.org/wiki/Smoothstep - - smoothstep: function ( x, min, max ) { - - if ( x <= min ) return 0; - if ( x >= max ) return 1; - - x = ( x - min ) / ( max - min ); + normalize: function () { - return x * x * ( 3 - 2 * x ); + return this.divideScalar( this.length() ); }, - smootherstep: function ( x, min, max ) { - - if ( x <= min ) return 0; - if ( x >= max ) return 1; - - x = ( x - min ) / ( max - min ); + setLength: function ( length ) { - return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + return this.multiplyScalar( length / this.length() ); }, - random16: function () { + lerp: function ( v, alpha ) { - console.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' ); - return Math.random(); + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; - }, + return this; - // Random integer from interval + }, - randInt: function ( low, high ) { + lerpVectors: function ( v1, v2, alpha ) { - return low + Math.floor( Math.random() * ( high - low + 1 ) ); + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); }, - // Random float from interval + cross: function ( v, w ) { - randFloat: function ( low, high ) { + if ( w !== undefined ) { - return low + Math.random() * ( high - low ); + console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); + return this.crossVectors( v, w ); - }, + } - // Random float from <-range/2, range/2> interval + var x = this.x, y = this.y, z = this.z; - randFloatSpread: function ( range ) { + this.x = y * v.z - z * v.y; + this.y = z * v.x - x * v.z; + this.z = x * v.y - y * v.x; - return range * ( 0.5 - Math.random() ); + return this; }, - degToRad: function ( degrees ) { - - return degrees * _Math.DEG2RAD; + crossVectors: function ( a, b ) { - }, + var ax = a.x, ay = a.y, az = a.z; + var bx = b.x, by = b.y, bz = b.z; - radToDeg: function ( radians ) { + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; - return radians * _Math.RAD2DEG; + return this; }, - isPowerOfTwo: function ( value ) { - - return ( value & ( value - 1 ) ) === 0 && value !== 0; - - }, + projectOnVector: function ( vector ) { - nearestPowerOfTwo: function ( value ) { + var scalar = vector.dot( this ) / vector.lengthSq(); - return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); + return this.copy( vector ).multiplyScalar( scalar ); }, - nextPowerOfTwo: function ( value ) { + projectOnPlane: function () { - value --; - value |= value >> 1; - value |= value >> 2; - value |= value >> 4; - value |= value >> 8; - value |= value >> 16; - value ++; + var v1; - return value; + return function projectOnPlane( planeNormal ) { - } + if ( v1 === undefined ) v1 = new Vector3(); - }; + v1.copy( this ).projectOnVector( planeNormal ); - /** - * @author mrdoob / http://mrdoob.com/ - * @author philogb / http://blog.thejit.org/ - * @author egraether / http://egraether.com/ - * @author zz85 / http://www.lab4games.net/zz85/blog - */ + return this.sub( v1 ); - function Vector2( x, y ) { + }; - this.x = x || 0; - this.y = y || 0; + }(), - } + reflect: function () { - Vector2.prototype = { + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length - constructor: Vector2, + var v1; - isVector2: true, + return function reflect( normal ) { - get width() { + if ( v1 === undefined ) v1 = new Vector3(); - return this.x; + return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); - }, + }; - set width( value ) { + }(), - this.x = value; + angleTo: function ( v ) { - }, + var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); - get height() { + // clamp, to handle numerical problems - return this.y; + return Math.acos( _Math.clamp( theta, - 1, 1 ) ); }, - set height( value ) { + distanceTo: function ( v ) { - this.y = value; + return Math.sqrt( this.distanceToSquared( v ) ); }, - // - - set: function ( x, y ) { + distanceToSquared: function ( v ) { - this.x = x; - this.y = y; + var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; - return this; + return dx * dx + dy * dy + dz * dz; }, - setScalar: function ( scalar ) { - - this.x = scalar; - this.y = scalar; + distanceToManhattan: function ( v ) { - return this; + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); }, - setX: function ( x ) { + setFromSpherical: function( s ) { - this.x = x; + var sinPhiRadius = Math.sin( s.phi ) * s.radius; + + this.x = sinPhiRadius * Math.sin( s.theta ); + this.y = Math.cos( s.phi ) * s.radius; + this.z = sinPhiRadius * Math.cos( s.theta ); return this; }, - setY: function ( y ) { - - this.y = y; + setFromMatrixPosition: function ( m ) { - return this; + return this.setFromMatrixColumn( m, 3 ); }, - setComponent: function ( index, value ) { + setFromMatrixScale: function ( m ) { - switch ( index ) { + var sx = this.setFromMatrixColumn( m, 0 ).length(); + var sy = this.setFromMatrixColumn( m, 1 ).length(); + var sz = this.setFromMatrixColumn( m, 2 ).length(); - case 0: this.x = value; break; - case 1: this.y = value; break; - default: throw new Error( 'index is out of range: ' + index ); + this.x = sx; + this.y = sy; + this.z = sz; - } - return this; }, - getComponent: function ( index ) { + setFromMatrixColumn: function ( m, index ) { - switch ( index ) { + if ( typeof m === 'number' ) { - case 0: return this.x; - case 1: return this.y; - default: throw new Error( 'index is out of range: ' + index ); + console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); + var temp = m; + m = index; + index = temp; } + return this.fromArray( m.elements, index * 4 ); + }, - clone: function () { + equals: function ( v ) { - return new this.constructor( this.x, this.y ); + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); }, - copy: function ( v ) { + fromArray: function ( array, offset ) { - this.x = v.x; - this.y = v.y; + if ( offset === undefined ) offset = 0; + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; return this; }, - add: function ( v, w ) { + toArray: function ( array, offset ) { - if ( w !== undefined ) { + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; - } + return array; - this.x += v.x; - this.y += v.y; + }, - return this; + fromAttribute: function ( attribute, index, offset ) { - }, + if ( offset === undefined ) offset = 0; - addScalar: function ( s ) { + index = index * attribute.itemSize + offset; - this.x += s; - this.y += s; + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; return this; - }, - - addVectors: function ( a, b ) { + } - this.x = a.x + b.x; - this.y = a.y + b.y; + }; - return this; + /** + * @author mrdoob / http://mrdoob.com/ + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author jordi_ros / http://plattsoft.com + * @author D1plo1d / http://github.com/D1plo1d + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author timknip / http://www.floorplanner.com/ + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ - }, + function Matrix4() { - addScaledVector: function ( v, s ) { + this.elements = new Float32Array( [ - this.x += v.x * s; - this.y += v.y * s; + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 - return this; + ] ); - }, + if ( arguments.length > 0 ) { - sub: function ( v, w ) { + console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); - if ( w !== undefined ) { + } - console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + } - } + Matrix4.prototype = { - this.x -= v.x; - this.y -= v.y; + constructor: Matrix4, - return this; + isMatrix4: true, - }, + set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { - subScalar: function ( s ) { + var te = this.elements; - this.x -= s; - this.y -= s; + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; return this; }, - subVectors: function ( a, b ) { - - this.x = a.x - b.x; - this.y = a.y - b.y; - - return this; + identity: function () { - }, + this.set( - multiply: function ( v ) { + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 - this.x *= v.x; - this.y *= v.y; + ); return this; }, - multiplyScalar: function ( scalar ) { - - if ( isFinite( scalar ) ) { - - this.x *= scalar; - this.y *= scalar; - - } else { - - this.x = 0; - this.y = 0; - - } + clone: function () { - return this; + return new Matrix4().fromArray( this.elements ); }, - divide: function ( v ) { + copy: function ( m ) { - this.x /= v.x; - this.y /= v.y; + this.elements.set( m.elements ); return this; }, - divideScalar: function ( scalar ) { - - return this.multiplyScalar( 1 / scalar ); - - }, + copyPosition: function ( m ) { - min: function ( v ) { + var te = this.elements; + var me = m.elements; - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; return this; }, - max: function ( v ) { + extractBasis: function ( xAxis, yAxis, zAxis ) { - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); return this; }, - clamp: function ( min, max ) { - - // This function assumes min < max, if this assumption isn't true it will not operate correctly + makeBasis: function ( xAxis, yAxis, zAxis ) { - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); return this; }, - clampScalar: function () { + extractRotation: function () { - var min, max; + var v1; - return function clampScalar( minVal, maxVal ) { + return function extractRotation( m ) { - if ( min === undefined ) { + if ( v1 === undefined ) v1 = new Vector3(); - min = new Vector2(); - max = new Vector2(); + var te = this.elements; + var me = m.elements; - } + var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length(); + var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length(); + var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length(); - min.set( minVal, minVal ); - max.set( maxVal, maxVal ); + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; - return this.clamp( min, max ); + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + + return this; }; }(), - clampLength: function ( min, max ) { - - var length = this.length(); + makeRotationFromEuler: function ( euler ) { - return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + if ( (euler && euler.isEuler) === false ) { - }, + console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); - floor: function () { + } - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); + var te = this.elements; - return this; + var x = euler.x, y = euler.y, z = euler.z; + var a = Math.cos( x ), b = Math.sin( x ); + var c = Math.cos( y ), d = Math.sin( y ); + var e = Math.cos( z ), f = Math.sin( z ); - }, + if ( euler.order === 'XYZ' ) { - ceil: function () { + var ae = a * e, af = a * f, be = b * e, bf = b * f; - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; - return this; + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; - }, + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; - round: function () { + } else if ( euler.order === 'YXZ' ) { - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); + var ce = c * e, cf = c * f, de = d * e, df = d * f; - return this; + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; - }, + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; - roundToZero: function () { + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + } else if ( euler.order === 'ZXY' ) { - return this; + var ce = c * e, cf = c * f, de = d * e, df = d * f; - }, + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; - negate: function () { + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; - this.x = - this.x; - this.y = - this.y; + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; - return this; + } else if ( euler.order === 'ZYX' ) { - }, + var ae = a * e, af = a * f, be = b * e, bf = b * f; - dot: function ( v ) { + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; - return this.x * v.x + this.y * v.y; + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; - }, + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; - lengthSq: function () { + } else if ( euler.order === 'YZX' ) { - return this.x * this.x + this.y * this.y; + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - }, + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; - length: function () { + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; - return Math.sqrt( this.x * this.x + this.y * this.y ); + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; - }, + } else if ( euler.order === 'XZY' ) { - lengthManhattan: function() { + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - return Math.abs( this.x ) + Math.abs( this.y ); + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; - }, + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; - normalize: function () { + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; - return this.divideScalar( this.length() ); + } - }, + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; - angle: function () { + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; - // computes the angle in radians with respect to the positive x-axis + return this; - var angle = Math.atan2( this.y, this.x ); + }, - if ( angle < 0 ) angle += 2 * Math.PI; + makeRotationFromQuaternion: function ( q ) { - return angle; + var te = this.elements; - }, + var x = q.x, y = q.y, z = q.z, w = q.w; + var x2 = x + x, y2 = y + y, z2 = z + z; + var xx = x * x2, xy = x * y2, xz = x * z2; + var yy = y * y2, yz = y * z2, zz = z * z2; + var wx = w * x2, wy = w * y2, wz = w * z2; - distanceTo: function ( v ) { + te[ 0 ] = 1 - ( yy + zz ); + te[ 4 ] = xy - wz; + te[ 8 ] = xz + wy; - return Math.sqrt( this.distanceToSquared( v ) ); + te[ 1 ] = xy + wz; + te[ 5 ] = 1 - ( xx + zz ); + te[ 9 ] = yz - wx; - }, + te[ 2 ] = xz - wy; + te[ 6 ] = yz + wx; + te[ 10 ] = 1 - ( xx + yy ); - distanceToSquared: function ( v ) { + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; - var dx = this.x - v.x, dy = this.y - v.y; - return dx * dx + dy * dy; + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; }, - distanceToManhattan: function ( v ) { + lookAt: function () { - return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + var x, y, z; - }, + return function lookAt( eye, target, up ) { - setLength: function ( length ) { + if ( x === undefined ) { - return this.multiplyScalar( length / this.length() ); + x = new Vector3(); + y = new Vector3(); + z = new Vector3(); - }, + } - lerp: function ( v, alpha ) { + var te = this.elements; - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; + z.subVectors( eye, target ).normalize(); - return this; + if ( z.lengthSq() === 0 ) { - }, + z.z = 1; - lerpVectors: function ( v1, v2, alpha ) { + } - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + x.crossVectors( up, z ).normalize(); - }, + if ( x.lengthSq() === 0 ) { - equals: function ( v ) { + z.z += 0.0001; + x.crossVectors( up, z ).normalize(); - return ( ( v.x === this.x ) && ( v.y === this.y ) ); + } - }, + y.crossVectors( z, x ); - fromArray: function ( array, offset ) { - if ( offset === undefined ) offset = 0; + te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x; + te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y; + te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z; - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; + return this; - return this; + }; - }, + }(), - toArray: function ( array, offset ) { + multiply: function ( m, n ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + if ( n !== undefined ) { - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; + console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); + return this.multiplyMatrices( m, n ); - return array; + } + + return this.multiplyMatrices( this, m ); }, - fromAttribute: function ( attribute, index, offset ) { + premultiply: function ( m ) { - if ( offset === undefined ) offset = 0; + return this.multiplyMatrices( m, this ); - index = index * attribute.itemSize + offset; + }, - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; + multiplyMatrices: function ( a, b ) { - return this; + var ae = a.elements; + var be = b.elements; + var te = this.elements; - }, + var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; - rotateAround: function ( center, angle ) { + var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; - var c = Math.cos( angle ), s = Math.sin( angle ); + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; - var x = this.x - center.x; - var y = this.y - center.y; + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; - this.x = x * c - y * s + center.x; - this.y = x * s + y * c + center.y; + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; return this; - } + }, - }; + multiplyToArray: function ( a, b, r ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - */ + var te = this.elements; - function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + this.multiplyMatrices( a, b ); - Object.defineProperty( this, 'id', { value: TextureIdCount() } ); + r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; + r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; + r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; + r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; - this.uuid = _Math.generateUUID(); + return this; - this.name = ''; - this.sourceFile = ''; + }, - this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; - this.mipmaps = []; + multiplyScalar: function ( s ) { - this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; + var te = this.elements; - this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; - this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; - this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; - this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter; + return this; - this.anisotropy = anisotropy !== undefined ? anisotropy : 1; + }, - this.format = format !== undefined ? format : RGBAFormat; - this.type = type !== undefined ? type : UnsignedByteType; + applyToVector3Array: function () { - this.offset = new Vector2( 0, 0 ); - this.repeat = new Vector2( 1, 1 ); + var v1; - this.generateMipmaps = true; - this.premultiplyAlpha = false; - this.flipY = true; - this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + return function applyToVector3Array( array, offset, length ) { + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; - // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. - // - // Also changing the encoding after already used by a Material will not automatically make the Material - // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. - this.encoding = encoding !== undefined ? encoding : LinearEncoding; + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { - this.version = 0; - this.onUpdate = null; + v1.fromArray( array, j ); + v1.applyMatrix4( this ); + v1.toArray( array, j ); - } + } - Texture.DEFAULT_IMAGE = undefined; - Texture.DEFAULT_MAPPING = UVMapping; + return array; - Texture.prototype = { + }; - constructor: Texture, + }(), - isTexture: true, + applyToBuffer: function () { - set needsUpdate( value ) { + var v1; - if ( value === true ) this.version ++; + return function applyToBuffer( buffer, offset, length ) { - }, + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; - clone: function () { + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { - return new this.constructor().copy( this ); + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); - }, + v1.applyMatrix4( this ); - copy: function ( source ) { + buffer.setXYZ( j, v1.x, v1.y, v1.z ); - this.image = source.image; - this.mipmaps = source.mipmaps.slice( 0 ); + } - this.mapping = source.mapping; + return buffer; - this.wrapS = source.wrapS; - this.wrapT = source.wrapT; + }; - this.magFilter = source.magFilter; - this.minFilter = source.minFilter; + }(), - this.anisotropy = source.anisotropy; + determinant: function () { - this.format = source.format; - this.type = source.type; + var te = this.elements; - this.offset.copy( source.offset ); - this.repeat.copy( source.repeat ); + var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; - this.generateMipmaps = source.generateMipmaps; - this.premultiplyAlpha = source.premultiplyAlpha; - this.flipY = source.flipY; - this.unpackAlignment = source.unpackAlignment; - this.encoding = source.encoding; + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) - return this; + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + + ); }, - toJSON: function ( meta ) { + transpose: function () { - if ( meta.textures[ this.uuid ] !== undefined ) { + var te = this.elements; + var tmp; - return meta.textures[ this.uuid ]; + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; - } + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; - function getDataURL( image ) { + return this; - var canvas; + }, - if ( image.toDataURL !== undefined ) { + flattenToArrayOffset: function ( array, offset ) { - canvas = image; + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); - } else { + return this.toArray( array, offset ); - canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = image.width; - canvas.height = image.height; + }, - canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); + getPosition: function () { - } + var v1; - if ( canvas.width > 2048 || canvas.height > 2048 ) { + return function getPosition() { - return canvas.toDataURL( 'image/jpeg', 0.6 ); + if ( v1 === undefined ) v1 = new Vector3(); + console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); - } else { + return v1.setFromMatrixColumn( this, 3 ); - return canvas.toDataURL( 'image/png' ); + }; - } + }(), - } + setPosition: function ( v ) { - var output = { - metadata: { - version: 4.4, - type: 'Texture', - generator: 'Texture.toJSON' - }, + var te = this.elements; - uuid: this.uuid, - name: this.name, + te[ 12 ] = v.x; + te[ 13 ] = v.y; + te[ 14 ] = v.z; - mapping: this.mapping, + return this; - repeat: [ this.repeat.x, this.repeat.y ], - offset: [ this.offset.x, this.offset.y ], - wrap: [ this.wrapS, this.wrapT ], + }, - minFilter: this.minFilter, - magFilter: this.magFilter, - anisotropy: this.anisotropy, + getInverse: function ( m, throwOnDegenerate ) { - flipY: this.flipY - }; + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + var te = this.elements, + me = m.elements, - if ( this.image !== undefined ) { + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], + n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], + n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], + n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], - // TODO: Move to THREE.Image + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; - var image = this.image; + var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; - if ( image.uuid === undefined ) { + if ( det === 0 ) { - image.uuid = _Math.generateUUID(); // UGH + var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0"; - } + if ( throwOnDegenerate === true ) { - if ( meta.images[ image.uuid ] === undefined ) { + throw new Error( msg ); - meta.images[ image.uuid ] = { - uuid: image.uuid, - url: getDataURL( image ) - }; + } else { + + console.warn( msg ); } - output.image = image.uuid; + return this.identity(); } - meta.textures[ this.uuid ] = output; + var detInv = 1 / det; - return output; + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; - }, + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; - dispose: function () { + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; - this.dispatchEvent( { type: 'dispose' } ); + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + + return this; }, - transformUv: function ( uv ) { + scale: function ( v ) { - if ( this.mapping !== UVMapping ) return; + var te = this.elements; + var x = v.x, y = v.y, z = v.z; - uv.multiply( this.repeat ); - uv.add( this.offset ); + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; - if ( uv.x < 0 || uv.x > 1 ) { + return this; - switch ( this.wrapS ) { + }, - case RepeatWrapping: + getMaxScaleOnAxis: function () { - uv.x = uv.x - Math.floor( uv.x ); - break; + var te = this.elements; - case ClampToEdgeWrapping: + var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; - uv.x = uv.x < 0 ? 0 : 1; - break; + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); - case MirroredRepeatWrapping: + }, - if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + makeTranslation: function ( x, y, z ) { - uv.x = Math.ceil( uv.x ) - uv.x; + this.set( - } else { + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 - uv.x = uv.x - Math.floor( uv.x ); + ); - } - break; + return this; - } + }, - } + makeRotationX: function ( theta ) { - if ( uv.y < 0 || uv.y > 1 ) { + var c = Math.cos( theta ), s = Math.sin( theta ); - switch ( this.wrapT ) { + this.set( - case RepeatWrapping: + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 - uv.y = uv.y - Math.floor( uv.y ); - break; + ); - case ClampToEdgeWrapping: - - uv.y = uv.y < 0 ? 0 : 1; - break; - - case MirroredRepeatWrapping: + return this; - if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + }, - uv.y = Math.ceil( uv.y ) - uv.y; + makeRotationY: function ( theta ) { - } else { + var c = Math.cos( theta ), s = Math.sin( theta ); - uv.y = uv.y - Math.floor( uv.y ); + this.set( - } - break; + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 - } + ); - } + return this; - if ( this.flipY ) { + }, - uv.y = 1 - uv.y; + makeRotationZ: function ( theta ) { - } + var c = Math.cos( theta ), s = Math.sin( theta ); - } + this.set( - }; + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 - Object.assign( Texture.prototype, EventDispatcher.prototype ); + ); - var count = 0; - function TextureIdCount() { return count++; } + return this; - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ - * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ - * @author WestLangley / http://github.com/WestLangley - */ + }, - function Vector4( x, y, z, w ) { + makeRotationAxis: function ( axis, angle ) { - this.x = x || 0; - this.y = y || 0; - this.z = z || 0; - this.w = ( w !== undefined ) ? w : 1; + // Based on http://www.gamedev.net/reference/articles/article1199.asp - } + var c = Math.cos( angle ); + var s = Math.sin( angle ); + var t = 1 - c; + var x = axis.x, y = axis.y, z = axis.z; + var tx = t * x, ty = t * y; - Vector4.prototype = { + this.set( - constructor: Vector4, + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 - isVector4: true, + ); - set: function ( x, y, z, w ) { + return this; - this.x = x; - this.y = y; - this.z = z; - this.w = w; + }, - return this; + makeScale: function ( x, y, z ) { - }, + this.set( - setScalar: function ( scalar ) { + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 - this.x = scalar; - this.y = scalar; - this.z = scalar; - this.w = scalar; + ); return this; }, - setX: function ( x ) { + compose: function ( position, quaternion, scale ) { - this.x = x; + this.makeRotationFromQuaternion( quaternion ); + this.scale( scale ); + this.setPosition( position ); return this; }, - setY: function ( y ) { + decompose: function () { - this.y = y; + var vector, matrix; - return this; + return function decompose( position, quaternion, scale ) { - }, + if ( vector === undefined ) { - setZ: function ( z ) { + vector = new Vector3(); + matrix = new Matrix4(); - this.z = z; + } - return this; + var te = this.elements; - }, + var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); - setW: function ( w ) { + // if determine is negative, we need to invert one scale + var det = this.determinant(); + if ( det < 0 ) { - this.w = w; + sx = - sx; - return this; + } - }, + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; - setComponent: function ( index, value ) { + // scale the rotation part - switch ( index ) { + matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() - case 0: this.x = value; break; - case 1: this.y = value; break; - case 2: this.z = value; break; - case 3: this.w = value; break; - default: throw new Error( 'index is out of range: ' + index ); + var invSX = 1 / sx; + var invSY = 1 / sy; + var invSZ = 1 / sz; - } - - return this; + matrix.elements[ 0 ] *= invSX; + matrix.elements[ 1 ] *= invSX; + matrix.elements[ 2 ] *= invSX; - }, + matrix.elements[ 4 ] *= invSY; + matrix.elements[ 5 ] *= invSY; + matrix.elements[ 6 ] *= invSY; - getComponent: function ( index ) { + matrix.elements[ 8 ] *= invSZ; + matrix.elements[ 9 ] *= invSZ; + matrix.elements[ 10 ] *= invSZ; - switch ( index ) { + quaternion.setFromRotationMatrix( matrix ); - case 0: return this.x; - case 1: return this.y; - case 2: return this.z; - case 3: return this.w; - default: throw new Error( 'index is out of range: ' + index ); + scale.x = sx; + scale.y = sy; + scale.z = sz; - } + return this; - }, + }; - clone: function () { + }(), - return new this.constructor( this.x, this.y, this.z, this.w ); + makeFrustum: function ( left, right, bottom, top, near, far ) { - }, + var te = this.elements; + var x = 2 * near / ( right - left ); + var y = 2 * near / ( top - bottom ); - copy: function ( v ) { + var a = ( right + left ) / ( right - left ); + var b = ( top + bottom ) / ( top - bottom ); + var c = - ( far + near ) / ( far - near ); + var d = - 2 * far * near / ( far - near ); - this.x = v.x; - this.y = v.y; - this.z = v.z; - this.w = ( v.w !== undefined ) ? v.w : 1; + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; return this; }, - add: function ( v, w ) { - - if ( w !== undefined ) { + makePerspective: function ( fov, aspect, near, far ) { - console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); + var ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 ); + var ymin = - ymax; + var xmin = ymin * aspect; + var xmax = ymax * aspect; - } + return this.makeFrustum( xmin, xmax, ymin, ymax, near, far ); - this.x += v.x; - this.y += v.y; - this.z += v.z; - this.w += v.w; + }, - return this; + makeOrthographic: function ( left, right, top, bottom, near, far ) { - }, + var te = this.elements; + var w = 1.0 / ( right - left ); + var h = 1.0 / ( top - bottom ); + var p = 1.0 / ( far - near ); - addScalar: function ( s ) { + var x = ( right + left ) * w; + var y = ( top + bottom ) * h; + var z = ( far + near ) * p; - this.x += s; - this.y += s; - this.z += s; - this.w += s; + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; return this; }, - addVectors: function ( a, b ) { - - this.x = a.x + b.x; - this.y = a.y + b.y; - this.z = a.z + b.z; - this.w = a.w + b.w; + equals: function ( matrix ) { - return this; + var te = this.elements; + var me = matrix.elements; - }, + for ( var i = 0; i < 16; i ++ ) { - addScaledVector: function ( v, s ) { + if ( te[ i ] !== me[ i ] ) return false; - this.x += v.x * s; - this.y += v.y * s; - this.z += v.z * s; - this.w += v.w * s; + } - return this; + return true; }, - sub: function ( v, w ) { + fromArray: function ( array, offset ) { - if ( w !== undefined ) { + if ( offset === undefined ) offset = 0; - console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + for( var i = 0; i < 16; i ++ ) { - } + this.elements[ i ] = array[ i + offset ]; - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; - this.w -= v.w; + } return this; }, - subScalar: function ( s ) { + toArray: function ( array, offset ) { - this.x -= s; - this.y -= s; - this.z -= s; - this.w -= s; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - return this; + var te = this.elements; - }, + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; - subVectors: function ( a, b ) { + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; - this.x = a.x - b.x; - this.y = a.y - b.y; - this.z = a.z - b.z; - this.w = a.w - b.w; + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; - return this; + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; - }, + return array; - multiplyScalar: function ( scalar ) { + } - if ( isFinite( scalar ) ) { + }; - this.x *= scalar; - this.y *= scalar; - this.z *= scalar; - this.w *= scalar; + /** + * @author mrdoob / http://mrdoob.com/ + */ - } else { + function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { - this.x = 0; - this.y = 0; - this.z = 0; - this.w = 0; + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; - } + Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - return this; + this.flipY = false; - }, + } - applyMatrix4: function ( m ) { + CubeTexture.prototype = Object.create( Texture.prototype ); + CubeTexture.prototype.constructor = CubeTexture; - var x = this.x, y = this.y, z = this.z, w = this.w; - var e = m.elements; + CubeTexture.prototype.isCubeTexture = true; - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; - this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + Object.defineProperty( CubeTexture.prototype, 'images', { - return this; + get: function () { + + return this.image; }, - divideScalar: function ( scalar ) { + set: function ( value ) { - return this.multiplyScalar( 1 / scalar ); + this.image = value; - }, + } - setAxisAngleFromQuaternion: function ( q ) { + } ); - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + /** + * @author tschw + * + * Uniforms of a program. + * Those form a tree structure with a special top-level container for the root, + * which you get by calling 'new WebGLUniforms( gl, program, renderer )'. + * + * + * Properties of inner nodes including the top-level container: + * + * .seq - array of nested uniforms + * .map - nested uniforms by name + * + * + * Methods of all nodes except the top-level container: + * + * .setValue( gl, value, [renderer] ) + * + * uploads a uniform value(s) + * the 'renderer' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (renderer factorizations): + * + * .upload( gl, seq, values, renderer ) + * + * sets uniforms in 'seq' to 'values[id].value' + * + * .seqWithValue( seq, values ) : filteredSeq + * + * filters 'seq' entries with corresponding entry in values + * + * + * Methods of the top-level container (renderer factorizations): + * + * .setValue( gl, name, value ) + * + * sets uniform with name 'name' to 'value' + * + * .set( gl, obj, prop ) + * + * sets uniform from object and property with same name than uniform + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ - // q is assumed to be normalized + var emptyTexture = new Texture(); + var emptyCubeTexture = new CubeTexture(); - this.w = 2 * Math.acos( q.w ); + // --- Base for inner nodes (including the root) --- - var s = Math.sqrt( 1 - q.w * q.w ); + function UniformContainer() { - if ( s < 0.0001 ) { + this.seq = []; + this.map = {}; - this.x = 1; - this.y = 0; - this.z = 0; + } - } else { + // --- Utilities --- - this.x = q.x / s; - this.y = q.y / s; - this.z = q.z / s; + // Array Caches (provide typed arrays for temporary by size) - } + var arrayCacheF32 = []; + var arrayCacheI32 = []; - return this; + // Flattening for arrays of vectors and matrices - }, + function flatten( array, nBlocks, blockSize ) { - setAxisAngleFromRotationMatrix: function ( m ) { + var firstElem = array[ 0 ]; - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + if ( firstElem <= 0 || firstElem > 0 ) return array; + // unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + var n = nBlocks * blockSize, + r = arrayCacheF32[ n ]; - var angle, x, y, z, // variables for result - epsilon = 0.01, // margin to allow for rounding errors - epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + if ( r === undefined ) { - te = m.elements, + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + } - if ( ( Math.abs( m12 - m21 ) < epsilon ) && - ( Math.abs( m13 - m31 ) < epsilon ) && - ( Math.abs( m23 - m32 ) < epsilon ) ) { + if ( nBlocks !== 0 ) { - // singularity found - // first check for identity matrix which must have +1 for all terms - // in leading diagonal and zero in other terms + firstElem.toArray( r, 0 ); - if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && - ( Math.abs( m13 + m31 ) < epsilon2 ) && - ( Math.abs( m23 + m32 ) < epsilon2 ) && - ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { - // this singularity is identity matrix so angle = 0 + offset += blockSize; + array[ i ].toArray( r, offset ); - this.set( 1, 0, 0, 0 ); + } - return this; // zero angle, arbitrary axis + } - } + return r; - // otherwise this singularity is angle = 180 + } - angle = Math.PI; + // Texture unit allocation - var xx = ( m11 + 1 ) / 2; - var yy = ( m22 + 1 ) / 2; - var zz = ( m33 + 1 ) / 2; - var xy = ( m12 + m21 ) / 4; - var xz = ( m13 + m31 ) / 4; - var yz = ( m23 + m32 ) / 4; + function allocTexUnits( renderer, n ) { - if ( ( xx > yy ) && ( xx > zz ) ) { + var r = arrayCacheI32[ n ]; - // m11 is the largest diagonal term + if ( r === undefined ) { - if ( xx < epsilon ) { + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; - x = 0; - y = 0.707106781; - z = 0.707106781; + } - } else { + for ( var i = 0; i !== n; ++ i ) + r[ i ] = renderer.allocTextureUnit(); - x = Math.sqrt( xx ); - y = xy / x; - z = xz / x; + return r; - } + } - } else if ( yy > zz ) { + // --- Setters --- - // m22 is the largest diagonal term + // Note: Defining these methods externally, because they come in a bunch + // and this way their names minify. - if ( yy < epsilon ) { + // Single scalar - x = 0.707106781; - y = 0; - z = 0.707106781; + function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } + function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } - } else { + // Single float vector (from flat array or THREE.VectorN) - y = Math.sqrt( yy ); - x = xy / y; - z = yz / y; + function setValue2fv( gl, v ) { - } + if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); + else gl.uniform2f( this.addr, v.x, v.y ); - } else { + } - // m33 is the largest diagonal term so base result on this + function setValue3fv( gl, v ) { - if ( zz < epsilon ) { + if ( v.x !== undefined ) + gl.uniform3f( this.addr, v.x, v.y, v.z ); + else if ( v.r !== undefined ) + gl.uniform3f( this.addr, v.r, v.g, v.b ); + else + gl.uniform3fv( this.addr, v ); - x = 0.707106781; - y = 0.707106781; - z = 0; + } - } else { + function setValue4fv( gl, v ) { - z = Math.sqrt( zz ); - x = xz / z; - y = yz / z; + if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); + else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); - } + } - } + // Single matrix (from flat array or MatrixN) - this.set( x, y, z, angle ); + function setValue2fm( gl, v ) { - return this; // return 180 deg rotation + gl.uniformMatrix2fv( this.addr, false, v.elements || v ); - } + } - // as we have reached here there are no singularities so we can handle normally + function setValue3fm( gl, v ) { - var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + - ( m13 - m31 ) * ( m13 - m31 ) + - ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + gl.uniformMatrix3fv( this.addr, false, v.elements || v ); - if ( Math.abs( s ) < 0.001 ) s = 1; + } - // prevent divide by zero, should not happen if matrix is orthogonal and should be - // caught by singularity test above, but I've left it in just in case + function setValue4fm( gl, v ) { - this.x = ( m32 - m23 ) / s; - this.y = ( m13 - m31 ) / s; - this.z = ( m21 - m12 ) / s; - this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + gl.uniformMatrix4fv( this.addr, false, v.elements || v ); - return this; + } - }, + // Single texture (2D / Cube) - min: function ( v ) { + function setValueT1( gl, v, renderer ) { - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - this.z = Math.min( this.z, v.z ); - this.w = Math.min( this.w, v.w ); + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTexture2D( v || emptyTexture, unit ); - return this; + } - }, + function setValueT6( gl, v, renderer ) { - max: function ( v ) { + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTextureCube( v || emptyCubeTexture, unit ); - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - this.z = Math.max( this.z, v.z ); - this.w = Math.max( this.w, v.w ); + } - return this; + // Integer / Boolean vectors or arrays thereof (always flat arrays) - }, + function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } + function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } + function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } - clamp: function ( min, max ) { + // Helper to pick the right setter for the singular case - // This function assumes min < max, if this assumption isn't true it will not operate correctly + function getSingularSetter( type ) { - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - this.z = Math.max( min.z, Math.min( max.z, this.z ) ); - this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + switch ( type ) { - return this; + case 0x1406: return setValue1f; // FLOAT + case 0x8b50: return setValue2fv; // _VEC2 + case 0x8b51: return setValue3fv; // _VEC3 + case 0x8b52: return setValue4fv; // _VEC4 - }, + case 0x8b5a: return setValue2fm; // _MAT2 + case 0x8b5b: return setValue3fm; // _MAT3 + case 0x8b5c: return setValue4fm; // _MAT4 - clampScalar: function () { + case 0x8b5e: return setValueT1; // SAMPLER_2D + case 0x8b60: return setValueT6; // SAMPLER_CUBE - var min, max; + case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 - return function clampScalar( minVal, maxVal ) { + } - if ( min === undefined ) { + } - min = new Vector4(); - max = new Vector4(); + // Array of scalars - } + function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } + function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } - min.set( minVal, minVal, minVal, minVal ); - max.set( maxVal, maxVal, maxVal, maxVal ); + // Array of vectors (flat or from THREE classes) - return this.clamp( min, max ); + function setValueV2a( gl, v ) { - }; + gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); - }(), + } - floor: function () { + function setValueV3a( gl, v ) { - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - this.z = Math.floor( this.z ); - this.w = Math.floor( this.w ); + gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); - return this; + } - }, + function setValueV4a( gl, v ) { - ceil: function () { + gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - this.z = Math.ceil( this.z ); - this.w = Math.ceil( this.w ); + } - return this; + // Array of matrices (flat or from THREE clases) - }, + function setValueM2a( gl, v ) { - round: function () { + gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - this.z = Math.round( this.z ); - this.w = Math.round( this.w ); + } - return this; + function setValueM3a( gl, v ) { - }, + gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); - roundToZero: function () { + } - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); - this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); + function setValueM4a( gl, v ) { - return this; + gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); - }, + } - negate: function () { + // Array of textures (2D / Cube) - this.x = - this.x; - this.y = - this.y; - this.z = - this.z; - this.w = - this.w; + function setValueT1a( gl, v, renderer ) { - return this; + var n = v.length, + units = allocTexUnits( renderer, n ); - }, + gl.uniform1iv( this.addr, units ); - dot: function ( v ) { + for ( var i = 0; i !== n; ++ i ) { - return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); - }, + } - lengthSq: function () { + } - return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + function setValueT6a( gl, v, renderer ) { - }, + var n = v.length, + units = allocTexUnits( renderer, n ); - length: function () { + gl.uniform1iv( this.addr, units ); - return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + for ( var i = 0; i !== n; ++ i ) { - }, + renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); - lengthManhattan: function () { + } - return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + } - }, + // Helper to pick the right setter for a pure (bottom-level) array - normalize: function () { + function getPureArraySetter( type ) { - return this.divideScalar( this.length() ); + switch ( type ) { - }, + case 0x1406: return setValue1fv; // FLOAT + case 0x8b50: return setValueV2a; // _VEC2 + case 0x8b51: return setValueV3a; // _VEC3 + case 0x8b52: return setValueV4a; // _VEC4 - setLength: function ( length ) { + case 0x8b5a: return setValueM2a; // _MAT2 + case 0x8b5b: return setValueM3a; // _MAT3 + case 0x8b5c: return setValueM4a; // _MAT4 - return this.multiplyScalar( length / this.length() ); + case 0x8b5e: return setValueT1a; // SAMPLER_2D + case 0x8b60: return setValueT6a; // SAMPLER_CUBE - }, + case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 - lerp: function ( v, alpha ) { + } - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - this.z += ( v.z - this.z ) * alpha; - this.w += ( v.w - this.w ) * alpha; + } - return this; + // --- Uniform Classes --- - }, + function SingleUniform( id, activeInfo, addr ) { - lerpVectors: function ( v1, v2, alpha ) { + this.id = id; + this.addr = addr; + this.setValue = getSingularSetter( activeInfo.type ); - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + // this.path = activeInfo.name; // DEBUG - }, + } - equals: function ( v ) { + function PureArrayUniform( id, activeInfo, addr ) { - return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + this.id = id; + this.addr = addr; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); - }, + // this.path = activeInfo.name; // DEBUG - fromArray: function ( array, offset ) { + } - if ( offset === undefined ) offset = 0; + function StructuredUniform( id ) { - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - this.z = array[ offset + 2 ]; - this.w = array[ offset + 3 ]; + this.id = id; - return this; + UniformContainer.call( this ); // mix-in - }, + } - toArray: function ( array, offset ) { + StructuredUniform.prototype.setValue = function( gl, value ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + // Note: Don't need an extra 'renderer' parameter, since samplers + // are not allowed in structured uniforms. - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - array[ offset + 2 ] = this.z; - array[ offset + 3 ] = this.w; + var seq = this.seq; - return array; + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - }, + var u = seq[ i ]; + u.setValue( gl, value[ u.id ] ); - fromAttribute: function ( attribute, index, offset ) { + } - if ( offset === undefined ) offset = 0; + }; - index = index * attribute.itemSize + offset; + // --- Top-level --- - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; - this.z = attribute.array[ index + 2 ]; - this.w = attribute.array[ index + 3 ]; + // Parser - builds up the property tree from the path strings - return this; + var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; - } + // extracts + // - the identifier (member name or array index) + // - followed by an optional right bracket (found when array index) + // - followed by an optional left bracket or dot (type of subscript) + // + // Note: These portions can be read in a non-overlapping fashion and + // allow straightforward parsing of the hierarchy that WebGL encodes + // in the uniform names. - }; + function addUniform( container, uniformObject ) { - /** - * @author szimek / https://github.com/szimek/ - * @author alteredq / http://alteredqualia.com/ - * @author Marius Kintel / https://github.com/kintel - */ + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; - /* - In options, we can specify: - * Texture parameters for an auto-generated target texture - * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers - */ - function WebGLRenderTarget( width, height, options ) { + } - this.uuid = _Math.generateUUID(); + function parseUniform( activeInfo, addr, container ) { - this.width = width; - this.height = height; + var path = activeInfo.name, + pathLength = path.length; - this.scissor = new Vector4( 0, 0, width, height ); - this.scissorTest = false; + // reset RegExp object, because of the early exit of a previous run + RePathPart.lastIndex = 0; - this.viewport = new Vector4( 0, 0, width, height ); + for (; ;) { - options = options || {}; + var match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex, - if ( options.minFilter === undefined ) options.minFilter = LinearFilter; + id = match[ 1 ], + idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; - this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + if ( idIsIndex ) id = id | 0; // convert to integer - this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; - this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; - this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; + if ( subscript === undefined || + subscript === '[' && matchEnd + 2 === pathLength ) { + // bare name or "pure" bottom-level array "[0]" suffix - } + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); - Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, { + break; - isWebGLRenderTarget: true, + } else { + // step into inner node / create it in case it doesn't exist - setSize: function ( width, height ) { + var map = container.map, + next = map[ id ]; - if ( this.width !== width || this.height !== height ) { + if ( next === undefined ) { - this.width = width; - this.height = height; + next = new StructuredUniform( id ); + addUniform( container, next ); - this.dispose(); + } + + container = next; } - this.viewport.set( 0, 0, width, height ); - this.scissor.set( 0, 0, width, height ); + } - }, + } - clone: function () { + // Root Container - return new this.constructor().copy( this ); + function WebGLUniforms( gl, program, renderer ) { - }, + UniformContainer.call( this ); - copy: function ( source ) { + this.renderer = renderer; - this.width = source.width; - this.height = source.height; + var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); - this.viewport.copy( source.viewport ); + for ( var i = 0; i !== n; ++ i ) { - this.texture = source.texture.clone(); + var info = gl.getActiveUniform( program, i ), + path = info.name, + addr = gl.getUniformLocation( program, path ); - this.depthBuffer = source.depthBuffer; - this.stencilBuffer = source.stencilBuffer; - this.depthTexture = source.depthTexture; + parseUniform( info, addr, this ); - return this; + } - }, + } - dispose: function () { + WebGLUniforms.prototype.setValue = function( gl, name, value ) { - this.dispatchEvent( { type: 'dispose' } ); + var u = this.map[ name ]; - } + if ( u !== undefined ) u.setValue( gl, value, this.renderer ); - } ); + }; - /** - * @author alteredq / http://alteredqualia.com - */ + WebGLUniforms.prototype.set = function( gl, object, name ) { - function WebGLRenderTargetCube( width, height, options ) { + var u = this.map[ name ]; - WebGLRenderTarget.call( this, width, height, options ); + if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); - this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5 - this.activeMipMapLevel = 0; + }; - } + WebGLUniforms.prototype.setOptional = function( gl, object, name ) { - WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); - WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; + var v = object[ name ]; - WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; + if ( v !== undefined ) this.setValue( gl, name, v ); - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - */ + }; - function Quaternion( x, y, z, w ) { - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._w = ( w !== undefined ) ? w : 1; + // Static interface - } + WebGLUniforms.upload = function( gl, seq, values, renderer ) { - Quaternion.prototype = { + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - constructor: Quaternion, + var u = seq[ i ], + v = values[ u.id ]; - get x () { + if ( v.needsUpdate !== false ) { + // note: always updating when .needsUpdate is undefined - return this._x; + u.setValue( gl, v.value, renderer ); - }, + } - set x ( value ) { + } - this._x = value; - this.onChangeCallback(); + }; - }, + WebGLUniforms.seqWithValue = function( seq, values ) { - get y () { + var r = []; - return this._y; + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - }, + var u = seq[ i ]; + if ( u.id in values ) r.push( u ); - set y ( value ) { + } - this._y = value; - this.onChangeCallback(); + return r; - }, + }; - get z () { + /** + * Uniform Utilities + */ - return this._z; + var UniformsUtils = { - }, + merge: function ( uniforms ) { - set z ( value ) { + var merged = {}; - this._z = value; - this.onChangeCallback(); + for ( var u = 0; u < uniforms.length; u ++ ) { - }, + var tmp = this.clone( uniforms[ u ] ); - get w () { + for ( var p in tmp ) { - return this._w; + merged[ p ] = tmp[ p ]; - }, + } - set w ( value ) { + } - this._w = value; - this.onChangeCallback(); + return merged; }, - set: function ( x, y, z, w ) { + clone: function ( uniforms_src ) { - this._x = x; - this._y = y; - this._z = z; - this._w = w; + var uniforms_dst = {}; - this.onChangeCallback(); - - return this; - - }, + for ( var u in uniforms_src ) { - clone: function () { + uniforms_dst[ u ] = {}; - return new this.constructor( this._x, this._y, this._z, this._w ); + for ( var p in uniforms_src[ u ] ) { - }, + var parameter_src = uniforms_src[ u ][ p ]; - copy: function ( quaternion ) { + if ( parameter_src && ( parameter_src.isColor || + parameter_src.isMatrix3 || parameter_src.isMatrix4 || + parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || + parameter_src.isTexture ) ) { - this._x = quaternion.x; - this._y = quaternion.y; - this._z = quaternion.z; - this._w = quaternion.w; + uniforms_dst[ u ][ p ] = parameter_src.clone(); - this.onChangeCallback(); + } else if ( Array.isArray( parameter_src ) ) { - return this; + uniforms_dst[ u ][ p ] = parameter_src.slice(); - }, + } else { - setFromEuler: function ( euler, update ) { + uniforms_dst[ u ][ p ] = parameter_src; - if ( (euler && euler.isEuler) === false ) { + } - throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + } } - // http://www.mathworks.com/matlabcentral/fileexchange/ - // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ - // content/SpinCalc.m - - var c1 = Math.cos( euler._x / 2 ); - var c2 = Math.cos( euler._y / 2 ); - var c3 = Math.cos( euler._z / 2 ); - var s1 = Math.sin( euler._x / 2 ); - var s2 = Math.sin( euler._y / 2 ); - var s3 = Math.sin( euler._z / 2 ); + return uniforms_dst; - var order = euler.order; + } - if ( order === 'XYZ' ) { + }; - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; - } else if ( order === 'YXZ' ) { + var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; - } else if ( order === 'ZXY' ) { + var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; - } else if ( order === 'ZYX' ) { + var begin_vertex = "\nvec3 transformed = vec3( position );\n"; - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; - } else if ( order === 'YZX' ) { + var bsdfs = "bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\n\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n"; - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; - } else if ( order === 'XZY' ) { + var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; - } + var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; - if ( update !== false ) this.onChangeCallback(); + var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; - return this; + var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; - }, + var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n"; - setFromAxisAngle: function ( axis, angle ) { + var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; - // assumes axis is normalized + var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\n"; - var halfAngle = angle / 2, s = Math.sin( halfAngle ); + var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; - this._x = axis.x * s; - this._y = axis.y * s; - this._z = axis.z * s; - this._w = Math.cos( halfAngle ); + var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; - this.onChangeCallback(); + var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; - return this; + var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; - }, + var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; - setFromRotationMatrix: function ( m ) { + var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n float maxComponent = max( max( value.r, value.g ), value.b );\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n M = ceil( M * 255.0 ) / 255.0;\n return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float D = max( maxRange / maxRGB, 1.0 );\n D = min( floor( D ) / 255.0, 1.0 );\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n vec4 vResult;\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n vResult.w = fract(Le);\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n float Le = value.z * 255.0 + value.w;\n vec3 Xp_Y_XYZp;\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n return vec4( max(vRGB, 0.0), 1.0 );\n}\n"; - var te = m.elements, + var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n"; - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; - trace = m11 + m22 + m33, - s; + var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; - if ( trace > 0 ) { + var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n"; - s = 0.5 / Math.sqrt( trace + 1.0 ); + var fog_fragment = "#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n"; - this._w = 0.25 / s; - this._x = ( m32 - m23 ) * s; - this._y = ( m13 - m31 ) * s; - this._z = ( m21 - m12 ) * s; + var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; - } else if ( m11 > m22 && m11 > m33 ) { + var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; - s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; - this._w = ( m32 - m23 ) / s; - this._x = 0.25 * s; - this._y = ( m12 + m21 ) / s; - this._z = ( m13 + m31 ) / s; + var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; - } else if ( m22 > m33 ) { + var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\n\t\t\tdirectLight.color = pointLight.color;\n\t\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#include \n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#include \n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n"; - s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; - this._w = ( m13 - m31 ) / s; - this._x = ( m12 + m21 ) / s; - this._y = 0.25 * s; - this._z = ( m23 + m32 ) / s; + var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; - } else { + var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; - s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n"; - this._w = ( m21 - m12 ) / s; - this._x = ( m13 + m31 ) / s; - this._y = ( m23 + m32 ) / s; - this._z = 0.25 * s; + var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t \tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\t\t\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; - } + var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; - this.onChangeCallback(); + var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; - return this; + var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; - }, + var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; - setFromUnitVectors: function () { + var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; - // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final + var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; - // assumes direction vectors vFrom and vTo are normalized + var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; - var v1, r; + var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; - var EPS = 0.000001; + var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; - return function setFromUnitVectors( vFrom, vTo ) { + var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; - if ( v1 === undefined ) v1 = new Vector3(); + var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; - r = vFrom.dot( vTo ) + 1; + var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; - if ( r < EPS ) { + var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; - r = 0; + var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; - if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; - v1.set( - vFrom.y, vFrom.x, 0 ); + var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; - } else { + var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 1.0 - 2.0 * rgb.xyz;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n"; - v1.set( 0, - vFrom.z, vFrom.y ); + var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; - } + var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; - } else { + var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; - v1.crossVectors( vFrom, vTo ); + var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; - } + var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n"; - this._x = v1.x; - this._y = v1.y; - this._z = v1.z; - this._w = r; + var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; - return this.normalize(); + var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; - }; + var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n"; - }(), + var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; - inverse: function () { + var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n"; - return this.conjugate().normalize(); + var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\tskinned = bindMatrixInverse * skinned;\n#endif\n"; - }, + var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n"; - conjugate: function () { + var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; - this._x *= - 1; - this._y *= - 1; - this._z *= - 1; + var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; - this.onChangeCallback(); + var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; - return this; + var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n"; - }, + var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; - dot: function ( v ) { + var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; - return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif"; - }, + var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; - lengthSq: function () { + var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; - return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; - }, + var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; - length: function () { + var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; - return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; - }, + var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; - normalize: function () { + var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - var l = this.length(); + var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; - if ( l === 0 ) { + var distanceRGBA_vert = "varying vec4 vWorldPosition;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition;\n}\n"; - this._x = 0; - this._y = 0; - this._z = 0; - this._w = 1; + var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; - } else { + var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; - l = 1 / l; + var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - this._x = this._x * l; - this._y = this._y * l; - this._z = this._z * l; - this._w = this._w * l; + var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n}\n"; - } + var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\t#include \n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - this.onChangeCallback(); + var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - return this; + var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - }, + var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - multiply: function ( q, p ) { + var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - if ( p !== undefined ) { + var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}\n"; - console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); - return this.multiplyQuaternions( q, p ); + var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nuniform float envMapIntensity;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - } + var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n}\n"; - return this.multiplyQuaternions( this, q ); + var normal_frag = "uniform float opacity;\nvarying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\n\t#include \n}\n"; - }, + var normal_vert = "varying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\tvNormal = normalize( normalMatrix * normal );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - premultiply: function ( q ) { + var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - return this.multiplyQuaternions( q, this ); + var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - }, + var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; - multiplyQuaternions: function ( a, b ) { + var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + var ShaderChunk = { + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + encodings_fragment: encodings_fragment, + encodings_pars_fragment: encodings_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_vertex: envmap_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + lightmap_fragment: lightmap_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_vertex: lights_lambert_vertex, + lights_pars: lights_pars, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_template: lights_template, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_flip: normal_flip, + normal_fragment: normal_fragment, + normalmap_pars_fragment: normalmap_pars_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + uv2_pars_fragment: uv2_pars_fragment, + uv2_pars_vertex: uv2_pars_vertex, + uv2_vertex: uv2_vertex, + worldpos_vertex: worldpos_vertex, - var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; - var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + cube_frag: cube_frag, + cube_vert: cube_vert, + depth_frag: depth_frag, + depth_vert: depth_vert, + distanceRGBA_frag: distanceRGBA_frag, + distanceRGBA_vert: distanceRGBA_vert, + equirect_frag: equirect_frag, + equirect_vert: equirect_vert, + linedashed_frag: linedashed_frag, + linedashed_vert: linedashed_vert, + meshbasic_frag: meshbasic_frag, + meshbasic_vert: meshbasic_vert, + meshlambert_frag: meshlambert_frag, + meshlambert_vert: meshlambert_vert, + meshphong_frag: meshphong_frag, + meshphong_vert: meshphong_vert, + meshphysical_frag: meshphysical_frag, + meshphysical_vert: meshphysical_vert, + normal_frag: normal_frag, + normal_vert: normal_vert, + points_frag: points_frag, + points_vert: points_vert, + shadow_frag: shadow_frag, + shadow_vert: shadow_vert + }; - this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; - this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; - this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; - this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + /** + * @author mrdoob / http://mrdoob.com/ + */ - this.onChangeCallback(); + function Color( r, g, b ) { - return this; + if ( g === undefined && b === undefined ) { - }, + // r is THREE.Color, hex or string + return this.set( r ); - slerp: function ( qb, t ) { + } - if ( t === 0 ) return this; - if ( t === 1 ) return this.copy( qb ); + return this.setRGB( r, g, b ); - var x = this._x, y = this._y, z = this._z, w = this._w; + } - // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + Color.prototype = { - var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + constructor: Color, - if ( cosHalfTheta < 0 ) { + isColor: true, - this._w = - qb._w; - this._x = - qb._x; - this._y = - qb._y; - this._z = - qb._z; + r: 1, g: 1, b: 1, - cosHalfTheta = - cosHalfTheta; + set: function ( value ) { - } else { + if ( (value && value.isColor) ) { - this.copy( qb ); + this.copy( value ); - } + } else if ( typeof value === 'number' ) { - if ( cosHalfTheta >= 1.0 ) { + this.setHex( value ); - this._w = w; - this._x = x; - this._y = y; - this._z = z; + } else if ( typeof value === 'string' ) { - return this; + this.setStyle( value ); } - var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); + return this; - if ( Math.abs( sinHalfTheta ) < 0.001 ) { + }, - this._w = 0.5 * ( w + this._w ); - this._x = 0.5 * ( x + this._x ); - this._y = 0.5 * ( y + this._y ); - this._z = 0.5 * ( z + this._z ); + setScalar: function ( scalar ) { - return this; + this.r = scalar; + this.g = scalar; + this.b = scalar; - } + return this; - var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); - var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, - ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + }, - this._w = ( w * ratioA + this._w * ratioB ); - this._x = ( x * ratioA + this._x * ratioB ); - this._y = ( y * ratioA + this._y * ratioB ); - this._z = ( z * ratioA + this._z * ratioB ); + setHex: function ( hex ) { - this.onChangeCallback(); + hex = Math.floor( hex ); + + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; return this; }, - equals: function ( quaternion ) { + setRGB: function ( r, g, b ) { - return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + this.r = r; + this.g = g; + this.b = b; + + return this; }, - fromArray: function ( array, offset ) { + setHSL: function () { - if ( offset === undefined ) offset = 0; + function hue2rgb( p, q, t ) { - this._x = array[ offset ]; - this._y = array[ offset + 1 ]; - this._z = array[ offset + 2 ]; - this._w = array[ offset + 3 ]; + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; - this.onChangeCallback(); + } - return this; + return function setHSL( h, s, l ) { - }, + // h,s,l ranges are in 0.0 - 1.0 + h = _Math.euclideanModulo( h, 1 ); + s = _Math.clamp( s, 0, 1 ); + l = _Math.clamp( l, 0, 1 ); - toArray: function ( array, offset ) { + if ( s === 0 ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + this.r = this.g = this.b = l; - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._w; + } else { - return array; + var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + var q = ( 2 * l ) - p; - }, + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); - onChange: function ( callback ) { + } - this.onChangeCallback = callback; + return this; - return this; + }; - }, + }(), - onChangeCallback: function () {} + setStyle: function ( style ) { - }; + function handleAlpha( string ) { - Object.assign( Quaternion, { + if ( string === undefined ) return; - slerp: function( qa, qb, qm, t ) { + if ( parseFloat( string ) < 1 ) { - return qm.copy( qa ).slerp( qb, t ); + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); - }, + } - slerpFlat: function( - dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + } - // fuzz-free, array-based Quaternion SLERP operation - var x0 = src0[ srcOffset0 + 0 ], - y0 = src0[ srcOffset0 + 1 ], - z0 = src0[ srcOffset0 + 2 ], - w0 = src0[ srcOffset0 + 3 ], + var m; - x1 = src1[ srcOffset1 + 0 ], - y1 = src1[ srcOffset1 + 1 ], - z1 = src1[ srcOffset1 + 2 ], - w1 = src1[ srcOffset1 + 3 ]; + if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { - if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + // rgb / hsl - var s = 1 - t, + var color; + var name = m[ 1 ]; + var components = m[ 2 ]; - cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + switch ( name ) { - dir = ( cos >= 0 ? 1 : - 1 ), - sqrSin = 1 - cos * cos; + case 'rgb': + case 'rgba': - // Skip the Slerp for tiny steps to avoid numeric problems: - if ( sqrSin > Number.EPSILON ) { + if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - var sin = Math.sqrt( sqrSin ), - len = Math.atan2( sin, cos * dir ); + // rgb(255,0,0) rgba(255,0,0,0.5) + this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; + this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; + this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; - s = Math.sin( s * len ) / sin; - t = Math.sin( t * len ) / sin; + handleAlpha( color[ 5 ] ); + + return this; + + } + + if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; + this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; + this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + + handleAlpha( color[ 5 ] ); + + return this; + + } + + break; + + case 'hsl': + case 'hsla': + + if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + var h = parseFloat( color[ 1 ] ) / 360; + var s = parseInt( color[ 2 ], 10 ) / 100; + var l = parseInt( color[ 3 ], 10 ) / 100; + + handleAlpha( color[ 5 ] ); + + return this.setHSL( h, s, l ); + + } + + break; } - var tDir = t * dir; + } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { - x0 = x0 * s + x1 * tDir; - y0 = y0 * s + y1 * tDir; - z0 = z0 * s + z1 * tDir; - w0 = w0 * s + w1 * tDir; + // hex color - // Normalize in case we just did a lerp: - if ( s === 1 - t ) { + var hex = m[ 1 ]; + var size = hex.length; - var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + if ( size === 3 ) { - x0 *= f; - y0 *= f; - z0 *= f; - w0 *= f; + // #ff0 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + + return this; + + } else if ( size === 6 ) { + + // #ff0000 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + + return this; } } - dst[ dstOffset ] = x0; - dst[ dstOffset + 1 ] = y0; - dst[ dstOffset + 2 ] = z0; - dst[ dstOffset + 3 ] = w0; + if ( style && style.length > 0 ) { - } + // color keywords + var hex = ColorKeywords[ style ]; - } ); + if ( hex !== undefined ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author *kile / http://kile.stravaganza.org/ - * @author philogb / http://blog.thejit.org/ - * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ - * @author WestLangley / http://github.com/WestLangley - */ + // red + this.setHex( hex ); - function Vector3( x, y, z ) { + } else { - this.x = x || 0; - this.y = y || 0; - this.z = z || 0; + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); - } + } - Vector3.prototype = { + } - constructor: Vector3, + return this; - isVector3: true, + }, - set: function ( x, y, z ) { + clone: function () { - this.x = x; - this.y = y; - this.z = z; + return new this.constructor( this.r, this.g, this.b ); + + }, + + copy: function ( color ) { + + this.r = color.r; + this.g = color.g; + this.b = color.b; return this; }, - setScalar: function ( scalar ) { + copyGammaToLinear: function ( color, gammaFactor ) { - this.x = scalar; - this.y = scalar; - this.z = scalar; + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + this.r = Math.pow( color.r, gammaFactor ); + this.g = Math.pow( color.g, gammaFactor ); + this.b = Math.pow( color.b, gammaFactor ); return this; }, - setX: function ( x ) { + copyLinearToGamma: function ( color, gammaFactor ) { - this.x = x; + if ( gammaFactor === undefined ) gammaFactor = 2.0; + + var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; + + this.r = Math.pow( color.r, safeInverse ); + this.g = Math.pow( color.g, safeInverse ); + this.b = Math.pow( color.b, safeInverse ); return this; }, - setY: function ( y ) { + convertGammaToLinear: function () { - this.y = y; + var r = this.r, g = this.g, b = this.b; + + this.r = r * r; + this.g = g * g; + this.b = b * b; return this; }, - setZ: function ( z ) { + convertLinearToGamma: function () { - this.z = z; + this.r = Math.sqrt( this.r ); + this.g = Math.sqrt( this.g ); + this.b = Math.sqrt( this.b ); return this; }, - setComponent: function ( index, value ) { + getHex: function () { - switch ( index ) { + return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; - case 0: this.x = value; break; - case 1: this.y = value; break; - case 2: this.z = value; break; - default: throw new Error( 'index is out of range: ' + index ); + }, - } - - return this; + getHexString: function () { + + return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); }, - getComponent: function ( index ) { + getHSL: function ( optionalTarget ) { - switch ( index ) { + // h,s,l ranges are in 0.0 - 1.0 - case 0: return this.x; - case 1: return this.y; - case 2: return this.z; - default: throw new Error( 'index is out of range: ' + index ); + var hsl = optionalTarget || { h: 0, s: 0, l: 0 }; - } + var r = this.r, g = this.g, b = this.b; - }, + var max = Math.max( r, g, b ); + var min = Math.min( r, g, b ); - clone: function () { + var hue, saturation; + var lightness = ( min + max ) / 2.0; - return new this.constructor( this.x, this.y, this.z ); + if ( min === max ) { - }, + hue = 0; + saturation = 0; - copy: function ( v ) { + } else { - this.x = v.x; - this.y = v.y; - this.z = v.z; + var delta = max - min; - return this; + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); - }, + switch ( max ) { - add: function ( v, w ) { + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; - if ( w !== undefined ) { + } - console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); + hue /= 6; } - this.x += v.x; - this.y += v.y; - this.z += v.z; + hsl.h = hue; + hsl.s = saturation; + hsl.l = lightness; - return this; + return hsl; }, - addScalar: function ( s ) { - - this.x += s; - this.y += s; - this.z += s; + getStyle: function () { - return this; + return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; }, - addVectors: function ( a, b ) { + offsetHSL: function ( h, s, l ) { - this.x = a.x + b.x; - this.y = a.y + b.y; - this.z = a.z + b.z; + var hsl = this.getHSL(); + + hsl.h += h; hsl.s += s; hsl.l += l; + + this.setHSL( hsl.h, hsl.s, hsl.l ); return this; }, - addScaledVector: function ( v, s ) { + add: function ( color ) { - this.x += v.x * s; - this.y += v.y * s; - this.z += v.z * s; + this.r += color.r; + this.g += color.g; + this.b += color.b; return this; }, - sub: function ( v, w ) { + addColors: function ( color1, color2 ) { - if ( w !== undefined ) { + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; - console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + return this; - } + }, - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; + addScalar: function ( s ) { + + this.r += s; + this.g += s; + this.b += s; return this; }, - subScalar: function ( s ) { + sub: function( color ) { - this.x -= s; - this.y -= s; - this.z -= s; + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); return this; }, - subVectors: function ( a, b ) { + multiply: function ( color ) { - this.x = a.x - b.x; - this.y = a.y - b.y; - this.z = a.z - b.z; + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; return this; }, - multiply: function ( v, w ) { + multiplyScalar: function ( s ) { - if ( w !== undefined ) { + this.r *= s; + this.g *= s; + this.b *= s; - console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); - return this.multiplyVectors( v, w ); + return this; - } + }, - this.x *= v.x; - this.y *= v.y; - this.z *= v.z; + lerp: function ( color, alpha ) { + + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; return this; }, - multiplyScalar: function ( scalar ) { + equals: function ( c ) { - if ( isFinite( scalar ) ) { + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); - this.x *= scalar; - this.y *= scalar; - this.z *= scalar; + }, - } else { + fromArray: function ( array, offset ) { - this.x = 0; - this.y = 0; - this.z = 0; + if ( offset === undefined ) offset = 0; - } + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; return this; }, - multiplyVectors: function ( a, b ) { + toArray: function ( array, offset ) { - this.x = a.x * b.x; - this.y = a.y * b.y; - this.z = a.z * b.z; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - return this; + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; }, - applyEuler: function () { + toJSON: function () { - var quaternion; + return this.getHex(); - return function applyEuler( euler ) { + } - if ( (euler && euler.isEuler) === false ) { + }; - console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; - } + /** + * Uniforms library for shared webgl shaders + */ - if ( quaternion === undefined ) quaternion = new Quaternion(); + var UniformsLib = { - return this.applyQuaternion( quaternion.setFromEuler( euler ) ); + common: { - }; + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, - }(), + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, - applyAxisAngle: function () { + specularMap: { value: null }, + alphaMap: { value: null }, - var quaternion; + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, + refractionRatio: { value: 0.98 } - return function applyAxisAngle( axis, angle ) { + }, - if ( quaternion === undefined ) quaternion = new Quaternion(); + aomap: { - return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) ); + aoMap: { value: null }, + aoMapIntensity: { value: 1 } - }; + }, - }(), + lightmap: { - applyMatrix3: function ( m ) { + lightMap: { value: null }, + lightMapIntensity: { value: 1 } - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + }, - this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; - this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; - this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + emissivemap: { - return this; + emissiveMap: { value: null } }, - applyMatrix4: function ( m ) { + bumpmap: { - // input: THREE.Matrix4 affine matrix + bumpMap: { value: null }, + bumpScale: { value: 1 } - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + }, - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ]; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; + normalmap: { - return this; + normalMap: { value: null }, + normalScale: { value: new Vector2( 1, 1 ) } }, - applyProjection: function ( m ) { + displacementmap: { - // input: THREE.Matrix4 projection matrix + displacementMap: { value: null }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } - var x = this.x, y = this.y, z = this.z; - var e = m.elements; - var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide + }, - this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d; - this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d; - this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d; + roughnessmap: { - return this; + roughnessMap: { value: null } }, - applyQuaternion: function ( q ) { - - var x = this.x, y = this.y, z = this.z; - var qx = q.x, qy = q.y, qz = q.z, qw = q.w; - - // calculate quat * vector + metalnessmap: { - var ix = qw * x + qy * z - qz * y; - var iy = qw * y + qz * x - qx * z; - var iz = qw * z + qx * y - qy * x; - var iw = - qx * x - qy * y - qz * z; + metalnessMap: { value: null } - // calculate result * inverse quat + }, - this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; - this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; - this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; + fog: { - return this; + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: new Color( 0xffffff ) } }, - project: function () { - - var matrix; - - return function project( camera ) { + lights: { - if ( matrix === undefined ) matrix = new Matrix4(); + ambientLightColor: { value: [] }, - matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); - return this.applyProjection( matrix ); + directionalLights: { value: [], properties: { + direction: {}, + color: {}, - }; + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - }(), + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, - unproject: function () { + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {}, - var matrix; + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - return function unproject( camera ) { + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, - if ( matrix === undefined ) matrix = new Matrix4(); + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {}, - matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); - return this.applyProjection( matrix ); + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - }; + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, - }(), + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } } - transformDirection: function ( m ) { + }, - // input: THREE.Matrix4 affine matrix - // vector interpreted as a direction + points: { - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + } - return this.normalize(); + }; - }, + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + */ - divide: function ( v ) { + var ShaderLib = { - this.x /= v.x; - this.y /= v.y; - this.z /= v.z; + basic: { - return this; + uniforms: UniformsUtils.merge( [ - }, + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.fog - divideScalar: function ( scalar ) { + ] ), - return this.multiplyScalar( 1 / scalar ); + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag }, - min: function ( v ) { - - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - this.z = Math.min( this.z, v.z ); + lambert: { - return this; + uniforms: UniformsUtils.merge( [ - }, + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.fog, + UniformsLib.lights, - max: function ( v ) { + { + emissive : { value: new Color( 0x000000 ) } + } - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - this.z = Math.max( this.z, v.z ); + ] ), - return this; + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag }, - clamp: function ( min, max ) { + phong: { - // This function assumes min < max, if this assumption isn't true it will not operate correctly + uniforms: UniformsUtils.merge( [ - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, - return this; + { + emissive : { value: new Color( 0x000000 ) }, + specular : { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } - }, + ] ), - clampScalar: function () { + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag - var min, max; + }, - return function clampScalar( minVal, maxVal ) { + standard: { - if ( min === undefined ) { + uniforms: UniformsUtils.merge( [ - min = new Vector3(); - max = new Vector3(); + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive : { value: new Color( 0x000000 ) }, + roughness: { value: 0.5 }, + metalness: { value: 0 }, + envMapIntensity : { value: 1 }, // temporary } - min.set( minVal, minVal, minVal ); - max.set( maxVal, maxVal, maxVal ); + ] ), - return this.clamp( min, max ); + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag - }; + }, - }(), + points: { - clampLength: function ( min, max ) { + uniforms: UniformsUtils.merge( [ - var length = this.length(); + UniformsLib.points, + UniformsLib.fog - return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + ] ), - }, + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag - floor: function () { + }, - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - this.z = Math.floor( this.z ); + dashed: { - return this; + uniforms: UniformsUtils.merge( [ - }, + UniformsLib.common, + UniformsLib.fog, - ceil: function () { + { + scale : { value: 1 }, + dashSize : { value: 1 }, + totalSize: { value: 2 } + } - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - this.z = Math.ceil( this.z ); + ] ), - return this; + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag }, - round: function () { + depth: { - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - this.z = Math.round( this.z ); + uniforms: UniformsUtils.merge( [ - return this; + UniformsLib.common, + UniformsLib.displacementmap - }, + ] ), - roundToZero: function () { + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + }, - return this; + normal: { - }, + uniforms: { - negate: function () { + opacity : { value: 1.0 } - this.x = - this.x; - this.y = - this.y; - this.z = - this.z; + }, - return this; + vertexShader: ShaderChunk.normal_vert, + fragmentShader: ShaderChunk.normal_frag }, - dot: function ( v ) { - - return this.x * v.x + this.y * v.y + this.z * v.z; + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ - }, + cube: { - lengthSq: function () { + uniforms: { + tCube: { value: null }, + tFlip: { value: - 1 }, + opacity: { value: 1.0 } + }, - return this.x * this.x + this.y * this.y + this.z * this.z; + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag }, - length: function () { + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ - return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + equirect: { + + uniforms: { + tEquirect: { value: null }, + tFlip: { value: - 1 } + }, + + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag }, - lengthManhattan: function () { + distanceRGBA: { - return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + uniforms: { - }, + lightPos: { value: new Vector3() } - normalize: function () { + }, - return this.divideScalar( this.length() ); + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag - }, + } - setLength: function ( length ) { + }; - return this.multiplyScalar( length / this.length() ); + ShaderLib.physical = { - }, + uniforms: UniformsUtils.merge( [ - lerp: function ( v, alpha ) { + ShaderLib.standard.uniforms, - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - this.z += ( v.z - this.z ) * alpha; + { + clearCoat: { value: 0 }, + clearCoatRoughness: { value: 0 } + } - return this; + ] ), - }, + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag - lerpVectors: function ( v1, v2, alpha ) { + }; - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + /** + * @author bhouston / http://clara.io + */ - }, + function Box2( min, max ) { - cross: function ( v, w ) { + this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); - if ( w !== undefined ) { + } - console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); - return this.crossVectors( v, w ); + Box2.prototype = { - } + constructor: Box2, - var x = this.x, y = this.y, z = this.z; + set: function ( min, max ) { - this.x = y * v.z - z * v.y; - this.y = z * v.x - x * v.z; - this.z = x * v.y - y * v.x; + this.min.copy( min ); + this.max.copy( max ); return this; }, - crossVectors: function ( a, b ) { - - var ax = a.x, ay = a.y, az = a.z; - var bx = b.x, by = b.y, bz = b.z; - - this.x = ay * bz - az * by; - this.y = az * bx - ax * bz; - this.z = ax * by - ay * bx; + setFromPoints: function ( points ) { - return this; + this.makeEmpty(); - }, + for ( var i = 0, il = points.length; i < il; i ++ ) { - projectOnVector: function ( vector ) { + this.expandByPoint( points[ i ] ); - var scalar = vector.dot( this ) / vector.lengthSq(); + } - return this.copy( vector ).multiplyScalar( scalar ); + return this; }, - projectOnPlane: function () { - - var v1; + setFromCenterAndSize: function () { - return function projectOnPlane( planeNormal ) { + var v1 = new Vector2(); - if ( v1 === undefined ) v1 = new Vector3(); + return function setFromCenterAndSize( center, size ) { - v1.copy( this ).projectOnVector( planeNormal ); + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); - return this.sub( v1 ); + return this; }; }(), - reflect: function () { - - // reflect incident vector off plane orthogonal to normal - // normal is assumed to have unit length - - var v1; + clone: function () { - return function reflect( normal ) { + return new this.constructor().copy( this ); - if ( v1 === undefined ) v1 = new Vector3(); + }, - return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + copy: function ( box ) { - }; + this.min.copy( box.min ); + this.max.copy( box.max ); - }(), + return this; - angleTo: function ( v ) { + }, - var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); + makeEmpty: function () { - // clamp, to handle numerical problems + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; - return Math.acos( _Math.clamp( theta, - 1, 1 ) ); + return this; }, - distanceTo: function ( v ) { + isEmpty: function () { - return Math.sqrt( this.distanceToSquared( v ) ); + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - }, + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); - distanceToSquared: function ( v ) { + }, - var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + getCenter: function ( optionalTarget ) { - return dx * dx + dy * dy + dz * dz; + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); }, - distanceToManhattan: function ( v ) { + getSize: function ( optionalTarget ) { - return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min ); }, - setFromSpherical: function( s ) { - - var sinPhiRadius = Math.sin( s.phi ) * s.radius; + expandByPoint: function ( point ) { - this.x = sinPhiRadius * Math.sin( s.theta ); - this.y = Math.cos( s.phi ) * s.radius; - this.z = sinPhiRadius * Math.cos( s.theta ); + this.min.min( point ); + this.max.max( point ); return this; }, - setFromMatrixPosition: function ( m ) { + expandByVector: function ( vector ) { - return this.setFromMatrixColumn( m, 3 ); + this.min.sub( vector ); + this.max.add( vector ); - }, + return this; - setFromMatrixScale: function ( m ) { + }, - var sx = this.setFromMatrixColumn( m, 0 ).length(); - var sy = this.setFromMatrixColumn( m, 1 ).length(); - var sz = this.setFromMatrixColumn( m, 2 ).length(); + expandByScalar: function ( scalar ) { - this.x = sx; - this.y = sy; - this.z = sz; + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); return this; }, - setFromMatrixColumn: function ( m, index ) { + containsPoint: function ( point ) { - if ( typeof m === 'number' ) { + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ) { - console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); - var temp = m; - m = index; - index = temp; + return false; } - return this.fromArray( m.elements, index * 4 ); + return true; }, - equals: function ( v ) { + containsBox: function ( box ) { - return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) { - }, + return true; - fromArray: function ( array, offset ) { + } - if ( offset === undefined ) offset = 0; - - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - this.z = array[ offset + 2 ]; - - return this; + return false; }, - toArray: function ( array, offset ) { + getParameter: function ( point, optionalTarget ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + // This can potentially have a divide by zero if the box + // has a size dimension of 0. - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - array[ offset + 2 ] = this.z; + var result = optionalTarget || new Vector2(); - return array; + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); }, - fromAttribute: function ( attribute, index, offset ) { + intersectsBox: function ( box ) { - if ( offset === undefined ) offset = 0; + // using 6 splitting planes to rule out intersections. - index = index * attribute.itemSize + offset; + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ) { - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; - this.z = attribute.array[ index + 2 ]; + return false; - return this; + } - } + return true; - }; + }, - /** - * @author mrdoob / http://mrdoob.com/ - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ - * @author jordi_ros / http://plattsoft.com - * @author D1plo1d / http://github.com/D1plo1d - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author timknip / http://www.floorplanner.com/ - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - */ + clampPoint: function ( point, optionalTarget ) { - function Matrix4() { + var result = optionalTarget || new Vector2(); + return result.copy( point ).clamp( this.min, this.max ); - this.elements = new Float32Array( [ + }, - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + distanceToPoint: function () { - ] ); + var v1 = new Vector2(); - if ( arguments.length > 0 ) { + return function distanceToPoint( point ) { - console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); - } + }; - } + }(), - Matrix4.prototype = { + intersect: function ( box ) { - constructor: Matrix4, + this.min.max( box.min ); + this.max.min( box.max ); - isMatrix4: true, + return this; - set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + }, - var te = this.elements; + union: function ( box ) { - te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; - te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; - te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; - te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + this.min.min( box.min ); + this.max.max( box.max ); return this; }, - identity: function () { - - this.set( - - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + translate: function ( offset ) { - ); + this.min.add( offset ); + this.max.add( offset ); return this; }, - clone: function () { + equals: function ( box ) { - return new Matrix4().fromArray( this.elements ); + return box.min.equals( this.min ) && box.max.equals( this.max ); - }, + } - copy: function ( m ) { + }; - this.elements.set( m.elements ); + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - return this; + function LensFlarePlugin( renderer, flares ) { - }, + var gl = renderer.context; + var state = renderer.state; - copyPosition: function ( m ) { + var vertexBuffer, elementBuffer; + var shader, program, attributes, uniforms; - var te = this.elements; - var me = m.elements; + var tempTexture, occlusionTexture; - te[ 12 ] = me[ 12 ]; - te[ 13 ] = me[ 13 ]; - te[ 14 ] = me[ 14 ]; + function init() { - return this; + var vertices = new Float32Array( [ + - 1, - 1, 0, 0, + 1, - 1, 1, 0, + 1, 1, 1, 1, + - 1, 1, 0, 1 + ] ); - }, + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); - extractBasis: function ( xAxis, yAxis, zAxis ) { + // buffers - xAxis.setFromMatrixColumn( this, 0 ); - yAxis.setFromMatrixColumn( this, 1 ); - zAxis.setFromMatrixColumn( this, 2 ); + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); - return this; + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); - }, + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); - makeBasis: function ( xAxis, yAxis, zAxis ) { + // textures - this.set( - xAxis.x, yAxis.x, zAxis.x, 0, - xAxis.y, yAxis.y, zAxis.y, 0, - xAxis.z, yAxis.z, zAxis.z, 0, - 0, 0, 0, 1 - ); + tempTexture = gl.createTexture(); + occlusionTexture = gl.createTexture(); - return this; + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - }, + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - extractRotation: function () { + shader = { - var v1; + vertexShader: [ - return function extractRotation( m ) { + "uniform lowp int renderType;", - if ( v1 === undefined ) v1 = new Vector3(); + "uniform vec3 screenPosition;", + "uniform vec2 scale;", + "uniform float rotation;", - var te = this.elements; - var me = m.elements; + "uniform sampler2D occlusionMap;", - var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length(); - var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length(); - var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length(); + "attribute vec2 position;", + "attribute vec2 uv;", - te[ 0 ] = me[ 0 ] * scaleX; - te[ 1 ] = me[ 1 ] * scaleX; - te[ 2 ] = me[ 2 ] * scaleX; + "varying vec2 vUV;", + "varying float vVisibility;", - te[ 4 ] = me[ 4 ] * scaleY; - te[ 5 ] = me[ 5 ] * scaleY; - te[ 6 ] = me[ 6 ] * scaleY; + "void main() {", - te[ 8 ] = me[ 8 ] * scaleZ; - te[ 9 ] = me[ 9 ] * scaleZ; - te[ 10 ] = me[ 10 ] * scaleZ; + "vUV = uv;", - return this; + "vec2 pos = position;", - }; + "if ( renderType == 2 ) {", - }(), + "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", - makeRotationFromEuler: function ( euler ) { + "vVisibility = visibility.r / 9.0;", + "vVisibility *= 1.0 - visibility.g / 9.0;", + "vVisibility *= visibility.b / 9.0;", + "vVisibility *= 1.0 - visibility.a / 9.0;", - if ( (euler && euler.isEuler) === false ) { + "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", + "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", - console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); + "}", - } + "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", - var te = this.elements; + "}" - var x = euler.x, y = euler.y, z = euler.z; - var a = Math.cos( x ), b = Math.sin( x ); - var c = Math.cos( y ), d = Math.sin( y ); - var e = Math.cos( z ), f = Math.sin( z ); + ].join( "\n" ), - if ( euler.order === 'XYZ' ) { + fragmentShader: [ - var ae = a * e, af = a * f, be = b * e, bf = b * f; + "uniform lowp int renderType;", - te[ 0 ] = c * e; - te[ 4 ] = - c * f; - te[ 8 ] = d; + "uniform sampler2D map;", + "uniform float opacity;", + "uniform vec3 color;", - te[ 1 ] = af + be * d; - te[ 5 ] = ae - bf * d; - te[ 9 ] = - b * c; + "varying vec2 vUV;", + "varying float vVisibility;", - te[ 2 ] = bf - ae * d; - te[ 6 ] = be + af * d; - te[ 10 ] = a * c; + "void main() {", - } else if ( euler.order === 'YXZ' ) { + // pink square - var ce = c * e, cf = c * f, de = d * e, df = d * f; + "if ( renderType == 0 ) {", - te[ 0 ] = ce + df * b; - te[ 4 ] = de * b - cf; - te[ 8 ] = a * d; + "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", - te[ 1 ] = a * f; - te[ 5 ] = a * e; - te[ 9 ] = - b; + // restore - te[ 2 ] = cf * b - de; - te[ 6 ] = df + ce * b; - te[ 10 ] = a * c; + "} else if ( renderType == 1 ) {", - } else if ( euler.order === 'ZXY' ) { + "gl_FragColor = texture2D( map, vUV );", - var ce = c * e, cf = c * f, de = d * e, df = d * f; + // flare - te[ 0 ] = ce - df * b; - te[ 4 ] = - a * f; - te[ 8 ] = de + cf * b; + "} else {", - te[ 1 ] = cf + de * b; - te[ 5 ] = a * e; - te[ 9 ] = df - ce * b; + "vec4 texture = texture2D( map, vUV );", + "texture.a *= opacity * vVisibility;", + "gl_FragColor = texture;", + "gl_FragColor.rgb *= color;", - te[ 2 ] = - a * d; - te[ 6 ] = b; - te[ 10 ] = a * c; + "}", - } else if ( euler.order === 'ZYX' ) { + "}" - var ae = a * e, af = a * f, be = b * e, bf = b * f; + ].join( "\n" ) - te[ 0 ] = c * e; - te[ 4 ] = be * d - af; - te[ 8 ] = ae * d + bf; + }; - te[ 1 ] = c * f; - te[ 5 ] = bf * d + ae; - te[ 9 ] = af * d - be; + program = createProgram( shader ); - te[ 2 ] = - d; - te[ 6 ] = b * c; - te[ 10 ] = a * c; + attributes = { + vertex: gl.getAttribLocation ( program, "position" ), + uv: gl.getAttribLocation ( program, "uv" ) + }; - } else if ( euler.order === 'YZX' ) { + uniforms = { + renderType: gl.getUniformLocation( program, "renderType" ), + map: gl.getUniformLocation( program, "map" ), + occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), + opacity: gl.getUniformLocation( program, "opacity" ), + color: gl.getUniformLocation( program, "color" ), + scale: gl.getUniformLocation( program, "scale" ), + rotation: gl.getUniformLocation( program, "rotation" ), + screenPosition: gl.getUniformLocation( program, "screenPosition" ) + }; - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + } - te[ 0 ] = c * e; - te[ 4 ] = bd - ac * f; - te[ 8 ] = bc * f + ad; + /* + * Render lens flares + * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, + * reads these back and calculates occlusion. + */ - te[ 1 ] = f; - te[ 5 ] = a * e; - te[ 9 ] = - b * e; + this.render = function ( scene, camera, viewport ) { - te[ 2 ] = - d * e; - te[ 6 ] = ad * f + bc; - te[ 10 ] = ac - bd * f; + if ( flares.length === 0 ) return; - } else if ( euler.order === 'XZY' ) { + var tempPosition = new Vector3(); - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + var invAspect = viewport.w / viewport.z, + halfViewportWidth = viewport.z * 0.5, + halfViewportHeight = viewport.w * 0.5; - te[ 0 ] = c * e; - te[ 4 ] = - f; - te[ 8 ] = d * e; + var size = 16 / viewport.w, + scale = new Vector2( size * invAspect, size ); - te[ 1 ] = ac * f + bd; - te[ 5 ] = a * e; - te[ 9 ] = ad * f - bc; + var screenPosition = new Vector3( 1, 1, 0 ), + screenPositionPixels = new Vector2( 1, 1 ); - te[ 2 ] = bc * f - ad; - te[ 6 ] = b * e; - te[ 10 ] = bd * f + ac; + var validArea = new Box2(); + + validArea.min.set( viewport.x, viewport.y ); + validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); + + if ( program === undefined ) { + + init(); } - // last column - te[ 3 ] = 0; - te[ 7 ] = 0; - te[ 11 ] = 0; + gl.useProgram( program ); - // bottom row - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; + state.initAttributes(); + state.enableAttribute( attributes.vertex ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); - return this; + // loop through all lens flares to update their occlusion and positions + // setup gl and common used attribs/uniforms - }, + gl.uniform1i( uniforms.occlusionMap, 0 ); + gl.uniform1i( uniforms.map, 1 ); - makeRotationFromQuaternion: function ( q ) { + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); - var te = this.elements; + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - var x = q.x, y = q.y, z = q.z, w = q.w; - var x2 = x + x, y2 = y + y, z2 = z + z; - var xx = x * x2, xy = x * y2, xz = x * z2; - var yy = y * y2, yz = y * z2, zz = z * z2; - var wx = w * x2, wy = w * y2, wz = w * z2; + state.disable( gl.CULL_FACE ); + state.setDepthWrite( false ); - te[ 0 ] = 1 - ( yy + zz ); - te[ 4 ] = xy - wz; - te[ 8 ] = xz + wy; + for ( var i = 0, l = flares.length; i < l; i ++ ) { - te[ 1 ] = xy + wz; - te[ 5 ] = 1 - ( xx + zz ); - te[ 9 ] = yz - wx; + size = 16 / viewport.w; + scale.set( size * invAspect, size ); - te[ 2 ] = xz - wy; - te[ 6 ] = yz + wx; - te[ 10 ] = 1 - ( xx + yy ); + // calc object screen position - // last column - te[ 3 ] = 0; - te[ 7 ] = 0; - te[ 11 ] = 0; + var flare = flares[ i ]; - // bottom row - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; + tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); - return this; + tempPosition.applyMatrix4( camera.matrixWorldInverse ); + tempPosition.applyProjection( camera.projectionMatrix ); - }, + // setup arrays for gl programs - lookAt: function () { + screenPosition.copy( tempPosition ); - var x, y, z; + // horizontal and vertical coordinate of the lower left corner of the pixels to copy - return function lookAt( eye, target, up ) { + screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; + screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; - if ( x === undefined ) { + // screen cull - x = new Vector3(); - y = new Vector3(); - z = new Vector3(); + if ( validArea.containsPoint( screenPositionPixels ) === true ) { - } + // save current RGB to temp texture - var te = this.elements; + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, null ); + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); - z.subVectors( eye, target ).normalize(); - if ( z.lengthSq() === 0 ) { + // render pink quad - z.z = 1; + gl.uniform1i( uniforms.renderType, 0 ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); - } + state.disable( gl.BLEND ); + state.enable( gl.DEPTH_TEST ); - x.crossVectors( up, z ).normalize(); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - if ( x.lengthSq() === 0 ) { - z.z += 0.0001; - x.crossVectors( up, z ).normalize(); + // copy result to occlusionMap - } + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); - y.crossVectors( z, x ); + // restore graphics - te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x; - te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y; - te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z; + gl.uniform1i( uniforms.renderType, 1 ); + state.disable( gl.DEPTH_TEST ); - return this; + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - }; - }(), + // update object positions - multiply: function ( m, n ) { + flare.positionScreen.copy( screenPosition ); - if ( n !== undefined ) { + if ( flare.customUpdateCallback ) { - console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); - return this.multiplyMatrices( m, n ); + flare.customUpdateCallback( flare ); - } + } else { - return this.multiplyMatrices( this, m ); + flare.updateLensFlares(); - }, + } - premultiply: function ( m ) { + // render flares - return this.multiplyMatrices( m, this ); + gl.uniform1i( uniforms.renderType, 2 ); + state.enable( gl.BLEND ); - }, + for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { - multiplyMatrices: function ( a, b ) { + var sprite = flare.lensFlares[ j ]; - var ae = a.elements; - var be = b.elements; - var te = this.elements; + if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { - var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; - var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; - var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; - var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; - - var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; - var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; - var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; - var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + screenPosition.x = sprite.x; + screenPosition.y = sprite.y; + screenPosition.z = sprite.z; - te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; - te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; - te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; - te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + size = sprite.size * sprite.scale / viewport.w; - te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; - te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; - te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; - te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + scale.x = size * invAspect; + scale.y = size; - te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; - te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; - te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; - te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform1f( uniforms.rotation, sprite.rotation ); - te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; - te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; - te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; - te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + gl.uniform1f( uniforms.opacity, sprite.opacity ); + gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); - return this; + state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); + renderer.setTexture2D( sprite.texture, 1 ); - }, + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - multiplyToArray: function ( a, b, r ) { + } - var te = this.elements; + } - this.multiplyMatrices( a, b ); + } - r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; - r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; - r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; - r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; + } - return this; + // restore gl - }, + state.enable( gl.CULL_FACE ); + state.enable( gl.DEPTH_TEST ); + state.setDepthWrite( true ); - multiplyScalar: function ( s ) { + renderer.resetGLState(); - var te = this.elements; + }; - te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; - te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; - te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; - te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + function createProgram( shader ) { - return this; + var program = gl.createProgram(); - }, + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); - applyToVector3Array: function () { + var prefix = "precision " + renderer.getPrecision() + " float;\n"; - var v1; + gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); + gl.shaderSource( vertexShader, prefix + shader.vertexShader ); - return function applyToVector3Array( array, offset, length ) { + gl.compileShader( fragmentShader ); + gl.compileShader( vertexShader ); - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = array.length; + gl.attachShader( program, fragmentShader ); + gl.attachShader( program, vertexShader ); - for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { + gl.linkProgram( program ); - v1.fromArray( array, j ); - v1.applyMatrix4( this ); - v1.toArray( array, j ); + return program; - } + } - return array; + } - }; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - }(), + function SpritePlugin( renderer, sprites ) { - applyToBuffer: function () { + var gl = renderer.context; + var state = renderer.state; - var v1; + var vertexBuffer, elementBuffer; + var program, attributes, uniforms; - return function applyToBuffer( buffer, offset, length ) { + var texture; - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = buffer.length / buffer.itemSize; + // decompose matrixWorld - for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + var spritePosition = new Vector3(); + var spriteRotation = new Quaternion(); + var spriteScale = new Vector3(); - v1.x = buffer.getX( j ); - v1.y = buffer.getY( j ); - v1.z = buffer.getZ( j ); + function init() { - v1.applyMatrix4( this ); + var vertices = new Float32Array( [ + - 0.5, - 0.5, 0, 0, + 0.5, - 0.5, 1, 0, + 0.5, 0.5, 1, 1, + - 0.5, 0.5, 0, 1 + ] ); - buffer.setXYZ( j, v1.x, v1.y, v1.z ); + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); - } + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); - return buffer; + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); - }; + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); - }(), + program = createProgram(); - determinant: function () { + attributes = { + position: gl.getAttribLocation ( program, 'position' ), + uv: gl.getAttribLocation ( program, 'uv' ) + }; - var te = this.elements; + uniforms = { + uvOffset: gl.getUniformLocation( program, 'uvOffset' ), + uvScale: gl.getUniformLocation( program, 'uvScale' ), - var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; - var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; - var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; - var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + rotation: gl.getUniformLocation( program, 'rotation' ), + scale: gl.getUniformLocation( program, 'scale' ), - //TODO: make this more efficient - //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + color: gl.getUniformLocation( program, 'color' ), + map: gl.getUniformLocation( program, 'map' ), + opacity: gl.getUniformLocation( program, 'opacity' ), - return ( - n41 * ( - + n14 * n23 * n32 - - n13 * n24 * n32 - - n14 * n22 * n33 - + n12 * n24 * n33 - + n13 * n22 * n34 - - n12 * n23 * n34 - ) + - n42 * ( - + n11 * n23 * n34 - - n11 * n24 * n33 - + n14 * n21 * n33 - - n13 * n21 * n34 - + n13 * n24 * n31 - - n14 * n23 * n31 - ) + - n43 * ( - + n11 * n24 * n32 - - n11 * n22 * n34 - - n14 * n21 * n32 - + n12 * n21 * n34 - + n14 * n22 * n31 - - n12 * n24 * n31 - ) + - n44 * ( - - n13 * n22 * n31 - - n11 * n23 * n32 - + n11 * n22 * n33 - + n13 * n21 * n32 - - n12 * n21 * n33 - + n12 * n23 * n31 - ) + modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), + projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), - ); + fogType: gl.getUniformLocation( program, 'fogType' ), + fogDensity: gl.getUniformLocation( program, 'fogDensity' ), + fogNear: gl.getUniformLocation( program, 'fogNear' ), + fogFar: gl.getUniformLocation( program, 'fogFar' ), + fogColor: gl.getUniformLocation( program, 'fogColor' ), - }, + alphaTest: gl.getUniformLocation( program, 'alphaTest' ) + }; - transpose: function () { + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = 8; + canvas.height = 8; - var te = this.elements; - var tmp; + var context = canvas.getContext( '2d' ); + context.fillStyle = 'white'; + context.fillRect( 0, 0, 8, 8 ); - tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; - tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; - tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + texture = new Texture( canvas ); + texture.needsUpdate = true; - tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; - tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; - tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + } - return this; + this.render = function ( scene, camera ) { - }, + if ( sprites.length === 0 ) return; - flattenToArrayOffset: function ( array, offset ) { + // setup gl - console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + - "- just use .toArray instead." ); + if ( program === undefined ) { - return this.toArray( array, offset ); + init(); - }, + } - getPosition: function () { + gl.useProgram( program ); - var v1; + state.initAttributes(); + state.enableAttribute( attributes.position ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); - return function getPosition() { + state.disable( gl.CULL_FACE ); + state.enable( gl.BLEND ); - if ( v1 === undefined ) v1 = new Vector3(); - console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); - return v1.setFromMatrixColumn( this, 3 ); + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - }; + gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); - }(), + state.activeTexture( gl.TEXTURE0 ); + gl.uniform1i( uniforms.map, 0 ); - setPosition: function ( v ) { + var oldFogType = 0; + var sceneFogType = 0; + var fog = scene.fog; - var te = this.elements; + if ( fog ) { - te[ 12 ] = v.x; - te[ 13 ] = v.y; - te[ 14 ] = v.z; + gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); - return this; + if ( (fog && fog.isFog) ) { - }, + gl.uniform1f( uniforms.fogNear, fog.near ); + gl.uniform1f( uniforms.fogFar, fog.far ); - getInverse: function ( m, throwOnDegenerate ) { + gl.uniform1i( uniforms.fogType, 1 ); + oldFogType = 1; + sceneFogType = 1; - // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm - var te = this.elements, - me = m.elements, + } else if ( (fog && fog.isFogExp2) ) { - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], - n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], - n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], - n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], + gl.uniform1f( uniforms.fogDensity, fog.density ); - t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, - t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, - t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, - t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + gl.uniform1i( uniforms.fogType, 2 ); + oldFogType = 2; + sceneFogType = 2; - var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + } - if ( det === 0 ) { + } else { - var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0"; + gl.uniform1i( uniforms.fogType, 0 ); + oldFogType = 0; + sceneFogType = 0; - if ( throwOnDegenerate === true ) { + } - throw new Error( msg ); - } else { + // update positions and sort - console.warn( msg ); + for ( var i = 0, l = sprites.length; i < l; i ++ ) { - } + var sprite = sprites[ i ]; - return this.identity(); + sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); + sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; } - var detInv = 1 / det; + sprites.sort( painterSortStable ); - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; - te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; - te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + // render all sprites - te[ 4 ] = t12 * detInv; - te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; - te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; - te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + var scale = []; - te[ 8 ] = t13 * detInv; - te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; - te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; - te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + for ( var i = 0, l = sprites.length; i < l; i ++ ) { - te[ 12 ] = t14 * detInv; - te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; - te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; - te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + var sprite = sprites[ i ]; + var material = sprite.material; - return this; + if ( material.visible === false ) continue; - }, + gl.uniform1f( uniforms.alphaTest, material.alphaTest ); + gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); - scale: function ( v ) { + sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); - var te = this.elements; - var x = v.x, y = v.y, z = v.z; + scale[ 0 ] = spriteScale.x; + scale[ 1 ] = spriteScale.y; - te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; - te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; - te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; - te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + var fogType = 0; - return this; + if ( scene.fog && material.fog ) { - }, + fogType = sceneFogType; - getMaxScaleOnAxis: function () { + } - var te = this.elements; + if ( oldFogType !== fogType ) { - var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; - var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; - var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + gl.uniform1i( uniforms.fogType, fogType ); + oldFogType = fogType; - return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + } - }, + if ( material.map !== null ) { - makeTranslation: function ( x, y, z ) { + gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); + gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); - this.set( + } else { - 1, 0, 0, x, - 0, 1, 0, y, - 0, 0, 1, z, - 0, 0, 0, 1 + gl.uniform2f( uniforms.uvOffset, 0, 0 ); + gl.uniform2f( uniforms.uvScale, 1, 1 ); - ); + } - return this; + gl.uniform1f( uniforms.opacity, material.opacity ); + gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); - }, + gl.uniform1f( uniforms.rotation, material.rotation ); + gl.uniform2fv( uniforms.scale, scale ); - makeRotationX: function ( theta ) { + state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); - var c = Math.cos( theta ), s = Math.sin( theta ); + if ( material.map ) { - this.set( + renderer.setTexture2D( material.map, 0 ); - 1, 0, 0, 0, - 0, c, - s, 0, - 0, s, c, 0, - 0, 0, 0, 1 + } else { - ); + renderer.setTexture2D( texture, 0 ); - return this; + } - }, + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - makeRotationY: function ( theta ) { + } - var c = Math.cos( theta ), s = Math.sin( theta ); + // restore gl - this.set( + state.enable( gl.CULL_FACE ); - c, 0, s, 0, - 0, 1, 0, 0, - - s, 0, c, 0, - 0, 0, 0, 1 + renderer.resetGLState(); - ); + }; - return this; + function createProgram() { - }, + var program = gl.createProgram(); - makeRotationZ: function ( theta ) { + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); - var c = Math.cos( theta ), s = Math.sin( theta ); + gl.shaderSource( vertexShader, [ - this.set( + 'precision ' + renderer.getPrecision() + ' float;', - c, - s, 0, 0, - s, c, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform float rotation;', + 'uniform vec2 scale;', + 'uniform vec2 uvOffset;', + 'uniform vec2 uvScale;', - ); + 'attribute vec2 position;', + 'attribute vec2 uv;', - return this; + 'varying vec2 vUV;', - }, + 'void main() {', - makeRotationAxis: function ( axis, angle ) { + 'vUV = uvOffset + uv * uvScale;', - // Based on http://www.gamedev.net/reference/articles/article1199.asp + 'vec2 alignedPosition = position * scale;', - var c = Math.cos( angle ); - var s = Math.sin( angle ); - var t = 1 - c; - var x = axis.x, y = axis.y, z = axis.z; - var tx = t * x, ty = t * y; + 'vec2 rotatedPosition;', + 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', + 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', - this.set( + 'vec4 finalPosition;', - tx * x + c, tx * y - s * z, tx * z + s * y, 0, - tx * y + s * z, ty * y + c, ty * z - s * x, 0, - tx * z - s * y, ty * z + s * x, t * z * z + c, 0, - 0, 0, 0, 1 + 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', + 'finalPosition.xy += rotatedPosition;', + 'finalPosition = projectionMatrix * finalPosition;', - ); + 'gl_Position = finalPosition;', - return this; + '}' - }, + ].join( '\n' ) ); - makeScale: function ( x, y, z ) { + gl.shaderSource( fragmentShader, [ - this.set( + 'precision ' + renderer.getPrecision() + ' float;', - x, 0, 0, 0, - 0, y, 0, 0, - 0, 0, z, 0, - 0, 0, 0, 1 + 'uniform vec3 color;', + 'uniform sampler2D map;', + 'uniform float opacity;', - ); + 'uniform int fogType;', + 'uniform vec3 fogColor;', + 'uniform float fogDensity;', + 'uniform float fogNear;', + 'uniform float fogFar;', + 'uniform float alphaTest;', - return this; + 'varying vec2 vUV;', - }, + 'void main() {', - compose: function ( position, quaternion, scale ) { + 'vec4 texture = texture2D( map, vUV );', - this.makeRotationFromQuaternion( quaternion ); - this.scale( scale ); - this.setPosition( position ); + 'if ( texture.a < alphaTest ) discard;', - return this; + 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', - }, + 'if ( fogType > 0 ) {', - decompose: function () { + 'float depth = gl_FragCoord.z / gl_FragCoord.w;', + 'float fogFactor = 0.0;', - var vector, matrix; + 'if ( fogType == 1 ) {', - return function decompose( position, quaternion, scale ) { + 'fogFactor = smoothstep( fogNear, fogFar, depth );', - if ( vector === undefined ) { + '} else {', - vector = new Vector3(); - matrix = new Matrix4(); + 'const float LOG2 = 1.442695;', + 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', + 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', - } + '}', - var te = this.elements; + 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', - var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); - var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); - var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + '}', - // if determine is negative, we need to invert one scale - var det = this.determinant(); - if ( det < 0 ) { + '}' - sx = - sx; + ].join( '\n' ) ); - } + gl.compileShader( vertexShader ); + gl.compileShader( fragmentShader ); - position.x = te[ 12 ]; - position.y = te[ 13 ]; - position.z = te[ 14 ]; + gl.attachShader( program, vertexShader ); + gl.attachShader( program, fragmentShader ); - // scale the rotation part + gl.linkProgram( program ); - matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() + return program; - var invSX = 1 / sx; - var invSY = 1 / sy; - var invSZ = 1 / sz; + } - matrix.elements[ 0 ] *= invSX; - matrix.elements[ 1 ] *= invSX; - matrix.elements[ 2 ] *= invSX; + function painterSortStable( a, b ) { - matrix.elements[ 4 ] *= invSY; - matrix.elements[ 5 ] *= invSY; - matrix.elements[ 6 ] *= invSY; + if ( a.renderOrder !== b.renderOrder ) { - matrix.elements[ 8 ] *= invSZ; - matrix.elements[ 9 ] *= invSZ; - matrix.elements[ 10 ] *= invSZ; + return a.renderOrder - b.renderOrder; - quaternion.setFromRotationMatrix( matrix ); + } else if ( a.z !== b.z ) { - scale.x = sx; - scale.y = sy; - scale.z = sz; + return b.z - a.z; - return this; + } else { - }; + return b.id - a.id; - }(), + } - makeFrustum: function ( left, right, bottom, top, near, far ) { + } - var te = this.elements; - var x = 2 * near / ( right - left ); - var y = 2 * near / ( top - bottom ); + } - var a = ( right + left ) / ( right - left ); - var b = ( top + bottom ) / ( top - bottom ); - var c = - ( far + near ) / ( far - near ); - var d = - 2 * far * near / ( far - near ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; - te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + function Material() { - return this; + Object.defineProperty( this, 'id', { value: MaterialIdCount() } ); - }, + this.uuid = _Math.generateUUID(); - makePerspective: function ( fov, aspect, near, far ) { + this.name = ''; + this.type = 'Material'; - var ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 ); - var ymin = - ymax; - var xmin = ymin * aspect; - var xmax = ymax * aspect; + this.fog = true; + this.lights = true; - return this.makeFrustum( xmin, xmax, ymin, ymax, near, far ); + this.blending = NormalBlending; + this.side = FrontSide; + this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading + this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors - }, + this.opacity = 1; + this.transparent = false; - makeOrthographic: function ( left, right, top, bottom, near, far ) { + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; - var te = this.elements; - var w = 1.0 / ( right - left ); - var h = 1.0 / ( top - bottom ); - var p = 1.0 / ( far - near ); + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; - var x = ( right + left ) * w; - var y = ( top + bottom ) * h; - var z = ( far + near ) * p; + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; - te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; - te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + this.colorWrite = true; - return this; + this.precision = null; // override the renderer's default precision for this material - }, + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; - equals: function ( matrix ) { + this.alphaTest = 0; + this.premultipliedAlpha = false; - var te = this.elements; - var me = matrix.elements; + this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer - for ( var i = 0; i < 16; i ++ ) { + this.visible = true; - if ( te[ i ] !== me[ i ] ) return false; + this._needsUpdate = true; - } + } - return true; + Material.prototype = { - }, + constructor: Material, - fromArray: function ( array, offset ) { + isMaterial: true, - if ( offset === undefined ) offset = 0; + get needsUpdate() { - for( var i = 0; i < 16; i ++ ) { + return this._needsUpdate; - this.elements[ i ] = array[ i + offset ]; + }, - } + set needsUpdate( value ) { - return this; + if ( value === true ) this.update(); + this._needsUpdate = value; }, - toArray: function ( array, offset ) { + setValues: function ( values ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + if ( values === undefined ) return; - var te = this.elements; + for ( var key in values ) { - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; - array[ offset + 3 ] = te[ 3 ]; + var newValue = values[ key ]; - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; + if ( newValue === undefined ) { - array[ offset + 8 ] = te[ 8 ]; - array[ offset + 9 ] = te[ 9 ]; - array[ offset + 10 ] = te[ 10 ]; - array[ offset + 11 ] = te[ 11 ]; + console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); + continue; - array[ offset + 12 ] = te[ 12 ]; - array[ offset + 13 ] = te[ 13 ]; - array[ offset + 14 ] = te[ 14 ]; - array[ offset + 15 ] = te[ 15 ]; + } - return array; + var currentValue = this[ key ]; - } + if ( currentValue === undefined ) { - }; + console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); + continue; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + if ( (currentValue && currentValue.isColor) ) { - images = images !== undefined ? images : []; - mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + currentValue.set( newValue ); - Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + } else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) { - this.flipY = false; + currentValue.copy( newValue ); - } + } else if ( key === 'overdraw' ) { - CubeTexture.prototype = Object.create( Texture.prototype ); - CubeTexture.prototype.constructor = CubeTexture; + // ensure overdraw is backwards-compatible with legacy boolean type + this[ key ] = Number( newValue ); - CubeTexture.prototype.isCubeTexture = true; + } else { - Object.defineProperty( CubeTexture.prototype, 'images', { + this[ key ] = newValue; - get: function () { + } - return this.image; + } }, - set: function ( value ) { + toJSON: function ( meta ) { - this.image = value; + var isRoot = meta === undefined; - } + if ( isRoot ) { - } ); + meta = { + textures: {}, + images: {} + }; - /** - * @author tschw - * - * Uniforms of a program. - * Those form a tree structure with a special top-level container for the root, - * which you get by calling 'new WebGLUniforms( gl, program, renderer )'. - * - * - * Properties of inner nodes including the top-level container: - * - * .seq - array of nested uniforms - * .map - nested uniforms by name - * - * - * Methods of all nodes except the top-level container: - * - * .setValue( gl, value, [renderer] ) - * - * uploads a uniform value(s) - * the 'renderer' parameter is needed for sampler uniforms - * - * - * Static methods of the top-level container (renderer factorizations): - * - * .upload( gl, seq, values, renderer ) - * - * sets uniforms in 'seq' to 'values[id].value' - * - * .seqWithValue( seq, values ) : filteredSeq - * - * filters 'seq' entries with corresponding entry in values - * - * - * Methods of the top-level container (renderer factorizations): - * - * .setValue( gl, name, value ) - * - * sets uniform with name 'name' to 'value' - * - * .set( gl, obj, prop ) - * - * sets uniform from object and property with same name than uniform - * - * .setOptional( gl, obj, prop ) - * - * like .set for an optional property of the object - * - */ + } - var emptyTexture = new Texture(); - var emptyCubeTexture = new CubeTexture(); + var data = { + metadata: { + version: 4.4, + type: 'Material', + generator: 'Material.toJSON' + } + }; - // --- Base for inner nodes (including the root) --- + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; - function UniformContainer() { + if ( this.name !== '' ) data.name = this.name; - this.seq = []; - this.map = {}; + if ( (this.color && this.color.isColor) ) data.color = this.color.getHex(); - } + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; - // --- Utilities --- + if ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex(); + if ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; - // Array Caches (provide typed arrays for temporary by size) + if ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid; + if ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + if ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid; + if ( (this.bumpMap && this.bumpMap.isTexture) ) { - var arrayCacheF32 = []; - var arrayCacheI32 = []; + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; - // Flattening for arrays of vectors and matrices + } + if ( (this.normalMap && this.normalMap.isTexture) ) { - function flatten( array, nBlocks, blockSize ) { + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalScale = this.normalScale.toArray(); - var firstElem = array[ 0 ]; + } + if ( (this.displacementMap && this.displacementMap.isTexture) ) { - if ( firstElem <= 0 || firstElem > 0 ) return array; - // unoptimized: ! isNaN( firstElem ) - // see http://jacksondunstan.com/articles/983 + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; - var n = nBlocks * blockSize, - r = arrayCacheF32[ n ]; + } + if ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; - if ( r === undefined ) { + if ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid; - r = new Float32Array( n ); - arrayCacheF32[ n ] = r; + if ( (this.envMap && this.envMap.isTexture) ) { - } + data.envMap = this.envMap.toJSON( meta ).uuid; + data.reflectivity = this.reflectivity; // Scale behind envMap - if ( nBlocks !== 0 ) { + } - firstElem.toArray( r, 0 ); + if ( this.size !== undefined ) data.size = this.size; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; - for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.shading !== SmoothShading ) data.shading = this.shading; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; - offset += blockSize; - array[ i ].toArray( r, offset ); + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = this.transparent; - } + data.depthFunc = this.depthFunc; + data.depthTest = this.depthTest; + data.depthWrite = this.depthWrite; - } + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; + if ( this.wireframe === true ) data.wireframe = this.wireframe; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; - return r; + data.skinning = this.skinning; + data.morphTargets = this.morphTargets; - } + // TODO: Copied from Object3D.toJSON - // Texture unit allocation + function extractFromCache( cache ) { - function allocTexUnits( renderer, n ) { + var values = []; - var r = arrayCacheI32[ n ]; + for ( var key in cache ) { - if ( r === undefined ) { + var data = cache[ key ]; + delete data.metadata; + values.push( data ); - r = new Int32Array( n ); - arrayCacheI32[ n ] = r; + } - } + return values; - for ( var i = 0; i !== n; ++ i ) - r[ i ] = renderer.allocTextureUnit(); + } - return r; + if ( isRoot ) { - } + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); - // --- Setters --- + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; - // Note: Defining these methods externally, because they come in a bunch - // and this way their names minify. + } - // Single scalar + return data; - function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } - function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } + }, - // Single float vector (from flat array or THREE.VectorN) + clone: function () { - function setValue2fv( gl, v ) { + return new this.constructor().copy( this ); - if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); - else gl.uniform2f( this.addr, v.x, v.y ); + }, - } + copy: function ( source ) { - function setValue3fv( gl, v ) { + this.name = source.name; - if ( v.x !== undefined ) - gl.uniform3f( this.addr, v.x, v.y, v.z ); - else if ( v.r !== undefined ) - gl.uniform3f( this.addr, v.r, v.g, v.b ); - else - gl.uniform3fv( this.addr, v ); + this.fog = source.fog; + this.lights = source.lights; - } + this.blending = source.blending; + this.side = source.side; + this.shading = source.shading; + this.vertexColors = source.vertexColors; - function setValue4fv( gl, v ) { + this.opacity = source.opacity; + this.transparent = source.transparent; - if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); - else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; - } + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; - // Single matrix (from flat array or MatrixN) + this.colorWrite = source.colorWrite; - function setValue2fm( gl, v ) { + this.precision = source.precision; - gl.uniformMatrix2fv( this.addr, false, v.elements || v ); + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; - } + this.alphaTest = source.alphaTest; - function setValue3fm( gl, v ) { + this.premultipliedAlpha = source.premultipliedAlpha; - gl.uniformMatrix3fv( this.addr, false, v.elements || v ); + this.overdraw = source.overdraw; - } + this.visible = source.visible; + this.clipShadows = source.clipShadows; + this.clipIntersection = source.clipIntersection; - function setValue4fm( gl, v ) { + var srcPlanes = source.clippingPlanes, + dstPlanes = null; - gl.uniformMatrix4fv( this.addr, false, v.elements || v ); + if ( srcPlanes !== null ) { - } + var n = srcPlanes.length; + dstPlanes = new Array( n ); - // Single texture (2D / Cube) + for ( var i = 0; i !== n; ++ i ) + dstPlanes[ i ] = srcPlanes[ i ].clone(); - function setValueT1( gl, v, renderer ) { + } - var unit = renderer.allocTextureUnit(); - gl.uniform1i( this.addr, unit ); - renderer.setTexture2D( v || emptyTexture, unit ); + this.clippingPlanes = dstPlanes; - } + return this; - function setValueT6( gl, v, renderer ) { + }, - var unit = renderer.allocTextureUnit(); - gl.uniform1i( this.addr, unit ); - renderer.setTextureCube( v || emptyCubeTexture, unit ); + update: function () { - } + this.dispatchEvent( { type: 'update' } ); - // Integer / Boolean vectors or arrays thereof (always flat arrays) + }, - function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } - function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } - function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } + dispose: function () { - // Helper to pick the right setter for the singular case + this.dispatchEvent( { type: 'dispose' } ); - function getSingularSetter( type ) { + } - switch ( type ) { + }; - case 0x1406: return setValue1f; // FLOAT - case 0x8b50: return setValue2fv; // _VEC2 - case 0x8b51: return setValue3fv; // _VEC3 - case 0x8b52: return setValue4fv; // _VEC4 - - case 0x8b5a: return setValue2fm; // _MAT2 - case 0x8b5b: return setValue3fm; // _MAT3 - case 0x8b5c: return setValue4fm; // _MAT4 - - case 0x8b5e: return setValueT1; // SAMPLER_2D - case 0x8b60: return setValueT6; // SAMPLER_CUBE - - case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL - case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 - case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 - case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + Object.assign( Material.prototype, EventDispatcher.prototype ); - } + var count$1 = 0; + function MaterialIdCount() { return count$1++; } - } + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * defines: { "label" : "value" }, + * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, + * + * fragmentShader: , + * vertexShader: , + * + * wireframe: , + * wireframeLinewidth: , + * + * lights: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - // Array of scalars + function ShaderMaterial( parameters ) { - function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } - function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } + Material.call( this ); - // Array of vectors (flat or from THREE classes) + this.type = 'ShaderMaterial'; - function setValueV2a( gl, v ) { + this.defines = {}; + this.uniforms = {}; - gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); + this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; + this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; - } + this.linewidth = 1; - function setValueV3a( gl, v ) { + this.wireframe = false; + this.wireframeLinewidth = 1; - gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes - } + this.skinning = false; // set to use skinning attribute streams + this.morphTargets = false; // set to use morph targets + this.morphNormals = false; // set to use morph normals - function setValueV4a( gl, v ) { + this.extensions = { + derivatives: false, // set to use derivatives + fragDepth: false, // set to use fragment depth values + drawBuffers: false, // set to use draw buffers + shaderTextureLOD: false // set to use shader texture LOD + }; - gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv2': [ 0, 0 ] + }; - } + this.index0AttributeName = undefined; - // Array of matrices (flat or from THREE clases) + if ( parameters !== undefined ) { - function setValueM2a( gl, v ) { + if ( parameters.attributes !== undefined ) { - gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); + console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); - } + } - function setValueM3a( gl, v ) { + this.setValues( parameters ); - gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); + } } - function setValueM4a( gl, v ) { + ShaderMaterial.prototype = Object.create( Material.prototype ); + ShaderMaterial.prototype.constructor = ShaderMaterial; - gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); + ShaderMaterial.prototype.isShaderMaterial = true; - } + ShaderMaterial.prototype.copy = function ( source ) { - // Array of textures (2D / Cube) + Material.prototype.copy.call( this, source ); - function setValueT1a( gl, v, renderer ) { + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; - var n = v.length, - units = allocTexUnits( renderer, n ); + this.uniforms = UniformsUtils.clone( source.uniforms ); - gl.uniform1iv( this.addr, units ); + this.defines = source.defines; - for ( var i = 0; i !== n; ++ i ) { + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + this.lights = source.lights; + this.clipping = source.clipping; - } + this.skinning = source.skinning; - } + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - function setValueT6a( gl, v, renderer ) { + this.extensions = source.extensions; - var n = v.length, - units = allocTexUnits( renderer, n ); + return this; - gl.uniform1iv( this.addr, units ); + }; - for ( var i = 0; i !== n; ++ i ) { + ShaderMaterial.prototype.toJSON = function ( meta ) { - renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + var data = Material.prototype.toJSON.call( this, meta ); - } + data.uniforms = this.uniforms; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; - } + return data; - // Helper to pick the right setter for a pure (bottom-level) array + }; - function getPureArraySetter( type ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / https://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * + * opacity: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ - switch ( type ) { + function MeshDepthMaterial( parameters ) { - case 0x1406: return setValue1fv; // FLOAT - case 0x8b50: return setValueV2a; // _VEC2 - case 0x8b51: return setValueV3a; // _VEC3 - case 0x8b52: return setValueV4a; // _VEC4 + Material.call( this ); - case 0x8b5a: return setValueM2a; // _MAT2 - case 0x8b5b: return setValueM3a; // _MAT3 - case 0x8b5c: return setValueM4a; // _MAT4 + this.type = 'MeshDepthMaterial'; - case 0x8b5e: return setValueT1a; // SAMPLER_2D - case 0x8b60: return setValueT6a; // SAMPLER_CUBE + this.depthPacking = BasicDepthPacking; - case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL - case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 - case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 - case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + this.skinning = false; + this.morphTargets = false; - } + this.map = null; - } + this.alphaMap = null; - // --- Uniform Classes --- + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - function SingleUniform( id, activeInfo, addr ) { + this.wireframe = false; + this.wireframeLinewidth = 1; - this.id = id; - this.addr = addr; - this.setValue = getSingularSetter( activeInfo.type ); + this.fog = false; + this.lights = false; - // this.path = activeInfo.name; // DEBUG + this.setValues( parameters ); } - function PureArrayUniform( id, activeInfo, addr ) { - - this.id = id; - this.addr = addr; - this.size = activeInfo.size; - this.setValue = getPureArraySetter( activeInfo.type ); + MeshDepthMaterial.prototype = Object.create( Material.prototype ); + MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; - // this.path = activeInfo.name; // DEBUG + MeshDepthMaterial.prototype.isMeshDepthMaterial = true; - } + MeshDepthMaterial.prototype.copy = function ( source ) { - function StructuredUniform( id ) { + Material.prototype.copy.call( this, source ); - this.id = id; + this.depthPacking = source.depthPacking; - UniformContainer.call( this ); // mix-in + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; - } + this.map = source.map; - StructuredUniform.prototype.setValue = function( gl, value ) { + this.alphaMap = source.alphaMap; - // Note: Don't need an extra 'renderer' parameter, since samplers - // are not allowed in structured uniforms. + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - var seq = this.seq; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + return this; - var u = seq[ i ]; - u.setValue( gl, value[ u.id ] ); + }; - } + /** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ - }; + function Box3( min, max ) { - // --- Top-level --- + this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); - // Parser - builds up the property tree from the path strings + } - var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; + Box3.prototype = { - // extracts - // - the identifier (member name or array index) - // - followed by an optional right bracket (found when array index) - // - followed by an optional left bracket or dot (type of subscript) - // - // Note: These portions can be read in a non-overlapping fashion and - // allow straightforward parsing of the hierarchy that WebGL encodes - // in the uniform names. + constructor: Box3, - function addUniform( container, uniformObject ) { + isBox3: true, - container.seq.push( uniformObject ); - container.map[ uniformObject.id ] = uniformObject; + set: function ( min, max ) { - } + this.min.copy( min ); + this.max.copy( max ); - function parseUniform( activeInfo, addr, container ) { + return this; - var path = activeInfo.name, - pathLength = path.length; + }, - // reset RegExp object, because of the early exit of a previous run - RePathPart.lastIndex = 0; + setFromArray: function ( array ) { - for (; ;) { + var minX = + Infinity; + var minY = + Infinity; + var minZ = + Infinity; - var match = RePathPart.exec( path ), - matchEnd = RePathPart.lastIndex, + var maxX = - Infinity; + var maxY = - Infinity; + var maxZ = - Infinity; - id = match[ 1 ], - idIsIndex = match[ 2 ] === ']', - subscript = match[ 3 ]; + for ( var i = 0, l = array.length; i < l; i += 3 ) { - if ( idIsIndex ) id = id | 0; // convert to integer + var x = array[ i ]; + var y = array[ i + 1 ]; + var z = array[ i + 2 ]; - if ( subscript === undefined || - subscript === '[' && matchEnd + 2 === pathLength ) { - // bare name or "pure" bottom-level array "[0]" suffix + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; - addUniform( container, subscript === undefined ? - new SingleUniform( id, activeInfo, addr ) : - new PureArrayUniform( id, activeInfo, addr ) ); + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; - break; + } - } else { - // step into inner node / create it in case it doesn't exist + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); - var map = container.map, - next = map[ id ]; + }, - if ( next === undefined ) { + setFromPoints: function ( points ) { - next = new StructuredUniform( id ); - addUniform( container, next ); + this.makeEmpty(); - } + for ( var i = 0, il = points.length; i < il; i ++ ) { - container = next; + this.expandByPoint( points[ i ] ); } - } + return this; - } + }, - // Root Container + setFromCenterAndSize: function () { - function WebGLUniforms( gl, program, renderer ) { + var v1 = new Vector3(); - UniformContainer.call( this ); + return function setFromCenterAndSize( center, size ) { - this.renderer = renderer; + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); - var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); - for ( var i = 0; i !== n; ++ i ) { + return this; - var info = gl.getActiveUniform( program, i ), - path = info.name, - addr = gl.getUniformLocation( program, path ); + }; - parseUniform( info, addr, this ); + }(), - } + setFromObject: function () { - } + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms - WebGLUniforms.prototype.setValue = function( gl, name, value ) { + var v1 = new Vector3(); - var u = this.map[ name ]; + return function setFromObject( object ) { - if ( u !== undefined ) u.setValue( gl, value, this.renderer ); + var scope = this; - }; + object.updateMatrixWorld( true ); - WebGLUniforms.prototype.set = function( gl, object, name ) { + this.makeEmpty(); - var u = this.map[ name ]; + object.traverse( function ( node ) { - if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); + var geometry = node.geometry; - }; + if ( geometry !== undefined ) { - WebGLUniforms.prototype.setOptional = function( gl, object, name ) { + if ( (geometry && geometry.isGeometry) ) { - var v = object[ name ]; + var vertices = geometry.vertices; - if ( v !== undefined ) this.setValue( gl, name, v ); + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - }; + v1.copy( vertices[ i ] ); + v1.applyMatrix4( node.matrixWorld ); + scope.expandByPoint( v1 ); - // Static interface + } - WebGLUniforms.upload = function( gl, seq, values, renderer ) { + } else if ( (geometry && geometry.isBufferGeometry) ) { - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + var attribute = geometry.attributes.position; - var u = seq[ i ], - v = values[ u.id ]; + if ( attribute !== undefined ) { - if ( v.needsUpdate !== false ) { - // note: always updating when .needsUpdate is undefined + var array, offset, stride; - u.setValue( gl, v.value, renderer ); + if ( (attribute && attribute.isInterleavedBufferAttribute) ) { - } + array = attribute.data.array; + offset = attribute.offset; + stride = attribute.data.stride; - } + } else { - }; + array = attribute.array; + offset = 0; + stride = 3; - WebGLUniforms.seqWithValue = function( seq, values ) { + } - var r = []; + for ( var i = offset, il = array.length; i < il; i += stride ) { - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + v1.fromArray( array, i ); + v1.applyMatrix4( node.matrixWorld ); - var u = seq[ i ]; - if ( u.id in values ) r.push( u ); + scope.expandByPoint( v1 ); - } + } - return r; + } - }; + } - /** - * Uniform Utilities - */ + } - var UniformsUtils = { + } ); - merge: function ( uniforms ) { + return this; - var merged = {}; + }; - for ( var u = 0; u < uniforms.length; u ++ ) { + }(), - var tmp = this.clone( uniforms[ u ] ); + clone: function () { - for ( var p in tmp ) { + return new this.constructor().copy( this ); - merged[ p ] = tmp[ p ]; + }, - } + copy: function ( box ) { - } + this.min.copy( box.min ); + this.max.copy( box.max ); - return merged; + return this; }, - clone: function ( uniforms_src ) { + makeEmpty: function () { - var uniforms_dst = {}; + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; - for ( var u in uniforms_src ) { + return this; - uniforms_dst[ u ] = {}; + }, - for ( var p in uniforms_src[ u ] ) { + isEmpty: function () { - var parameter_src = uniforms_src[ u ][ p ]; + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - if ( parameter_src && ( parameter_src.isColor || - parameter_src.isMatrix3 || parameter_src.isMatrix4 || - parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || - parameter_src.isTexture ) ) { + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); - uniforms_dst[ u ][ p ] = parameter_src.clone(); + }, - } else if ( Array.isArray( parameter_src ) ) { + getCenter: function ( optionalTarget ) { - uniforms_dst[ u ][ p ] = parameter_src.slice(); + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); - } else { + }, - uniforms_dst[ u ][ p ] = parameter_src; + getSize: function ( optionalTarget ) { - } + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min ); - } + }, - } + expandByPoint: function ( point ) { - return uniforms_dst; + this.min.min( point ); + this.max.max( point ); - } + return this; - }; + }, - var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; + expandByVector: function ( vector ) { - var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; + this.min.sub( vector ); + this.max.add( vector ); - var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; + return this; - var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; + }, - var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + expandByScalar: function ( scalar ) { - var begin_vertex = "\nvec3 transformed = vec3( position );\n"; + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); - var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; + return this; - var bsdfs = "bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\n\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n"; + }, - var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; + containsPoint: function ( point ) { - var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ) { - var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; - - var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; - - var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; - - var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; + return false; - var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n"; + } - var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; + return true; - var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; + }, - var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\n"; + containsBox: function ( box ) { - var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) && + ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) { - var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; + return true; - var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; + } - var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; + return false; - var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; + }, - var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; + getParameter: function ( point, optionalTarget ) { - var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; + // This can potentially have a divide by zero if the box + // has a size dimension of 0. - var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n float maxComponent = max( max( value.r, value.g ), value.b );\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n M = ceil( M * 255.0 ) / 255.0;\n return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float D = max( maxRange / maxRGB, 1.0 );\n D = min( floor( D ) / 255.0, 1.0 );\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n vec4 vResult;\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n vResult.w = fract(Le);\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n float Le = value.z * 255.0 + value.w;\n vec3 Xp_Y_XYZp;\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n return vec4( max(vRGB, 0.0), 1.0 );\n}\n"; + var result = optionalTarget || new Vector3(); - var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n"; + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); - var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; + }, - var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; + intersectsBox: function ( box ) { - var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n"; + // using 6 splitting planes to rule out intersections. - var fog_fragment = "#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n"; + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ) { - var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + return false; - var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; + } - var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + return true; - var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; + }, - var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\n\t\t\tdirectLight.color = pointLight.color;\n\t\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#include \n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#include \n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n"; + intersectsSphere: ( function () { - var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; + var closestPoint; - var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; + return function intersectsSphere( sphere ) { - var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; + if ( closestPoint === undefined ) closestPoint = new Vector3(); - var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n"; + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, closestPoint ); - var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t \tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\t\t\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; + // If that point is inside the sphere, the AABB and sphere intersect. + return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); - var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; + }; - var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; + } )(), - var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; + intersectsPlane: function ( plane ) { - var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. - var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; + var min, max; - var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; + if ( plane.normal.x > 0 ) { - var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; - var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; + } else { - var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; - var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + } - var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; + if ( plane.normal.y > 0 ) { - var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; - var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; + } else { - var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; - var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; + } - var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; + if ( plane.normal.z > 0 ) { - var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 1.0 - 2.0 * rgb.xyz;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n"; + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; - var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; + } else { - var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; - var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; + } - var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + return ( min <= plane.constant && max >= plane.constant ); - var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n"; + }, - var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; + clampPoint: function ( point, optionalTarget ) { - var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; + var result = optionalTarget || new Vector3(); + return result.copy( point ).clamp( this.min, this.max ); - var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n"; + }, - var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + distanceToPoint: function () { - var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n"; + var v1 = new Vector3(); - var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\tskinned = bindMatrixInverse * skinned;\n#endif\n"; + return function distanceToPoint( point ) { - var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n"; + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); - var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + }; - var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + }(), - var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; + getBoundingSphere: function () { - var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n"; + var v1 = new Vector3(); - var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; + return function getBoundingSphere( optionalTarget ) { - var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; + var result = optionalTarget || new Sphere(); - var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif"; + this.getCenter( result.center ); - var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; + result.radius = this.getSize( v1 ).length() * 0.5; - var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; + return result; - var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; + }; - var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; + }(), - var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; + intersect: function ( box ) { - var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + this.min.max( box.min ); + this.max.min( box.max ); - var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if( this.isEmpty() ) this.makeEmpty(); - var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this; - var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; + }, - var distanceRGBA_vert = "varying vec4 vWorldPosition;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition;\n}\n"; + union: function ( box ) { - var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; + this.min.min( box.min ); + this.max.max( box.max ); - var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + return this; - var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }, - var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n}\n"; + applyMatrix4: function () { - var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\t#include \n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + var points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() + ]; - var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return function applyMatrix4( matrix ) { - var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + // transform of empty box is an empty box. + if( this.isEmpty() ) return this; - var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 - var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + this.setFromPoints( points ); - var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}\n"; + return this; - var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nuniform float envMapIntensity;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }; - var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n}\n"; + }(), - var normal_frag = "uniform float opacity;\nvarying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\n\t#include \n}\n"; + translate: function ( offset ) { - var normal_vert = "varying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\tvNormal = normalize( normalMatrix * normal );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + this.min.add( offset ); + this.max.add( offset ); - var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this; - var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }, - var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; + equals: function ( box ) { - var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return box.min.equals( this.min ) && box.max.equals( this.max ); - var ShaderChunk = { - alphamap_fragment: alphamap_fragment, - alphamap_pars_fragment: alphamap_pars_fragment, - alphatest_fragment: alphatest_fragment, - aomap_fragment: aomap_fragment, - aomap_pars_fragment: aomap_pars_fragment, - begin_vertex: begin_vertex, - beginnormal_vertex: beginnormal_vertex, - bsdfs: bsdfs, - bumpmap_pars_fragment: bumpmap_pars_fragment, - clipping_planes_fragment: clipping_planes_fragment, - clipping_planes_pars_fragment: clipping_planes_pars_fragment, - clipping_planes_pars_vertex: clipping_planes_pars_vertex, - clipping_planes_vertex: clipping_planes_vertex, - color_fragment: color_fragment, - color_pars_fragment: color_pars_fragment, - color_pars_vertex: color_pars_vertex, - color_vertex: color_vertex, - common: common, - cube_uv_reflection_fragment: cube_uv_reflection_fragment, - defaultnormal_vertex: defaultnormal_vertex, - displacementmap_pars_vertex: displacementmap_pars_vertex, - displacementmap_vertex: displacementmap_vertex, - emissivemap_fragment: emissivemap_fragment, - emissivemap_pars_fragment: emissivemap_pars_fragment, - encodings_fragment: encodings_fragment, - encodings_pars_fragment: encodings_pars_fragment, - envmap_fragment: envmap_fragment, - envmap_pars_fragment: envmap_pars_fragment, - envmap_pars_vertex: envmap_pars_vertex, - envmap_vertex: envmap_vertex, - fog_fragment: fog_fragment, - fog_pars_fragment: fog_pars_fragment, - lightmap_fragment: lightmap_fragment, - lightmap_pars_fragment: lightmap_pars_fragment, - lights_lambert_vertex: lights_lambert_vertex, - lights_pars: lights_pars, - lights_phong_fragment: lights_phong_fragment, - lights_phong_pars_fragment: lights_phong_pars_fragment, - lights_physical_fragment: lights_physical_fragment, - lights_physical_pars_fragment: lights_physical_pars_fragment, - lights_template: lights_template, - logdepthbuf_fragment: logdepthbuf_fragment, - logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, - logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, - logdepthbuf_vertex: logdepthbuf_vertex, - map_fragment: map_fragment, - map_pars_fragment: map_pars_fragment, - map_particle_fragment: map_particle_fragment, - map_particle_pars_fragment: map_particle_pars_fragment, - metalnessmap_fragment: metalnessmap_fragment, - metalnessmap_pars_fragment: metalnessmap_pars_fragment, - morphnormal_vertex: morphnormal_vertex, - morphtarget_pars_vertex: morphtarget_pars_vertex, - morphtarget_vertex: morphtarget_vertex, - normal_flip: normal_flip, - normal_fragment: normal_fragment, - normalmap_pars_fragment: normalmap_pars_fragment, - packing: packing, - premultiplied_alpha_fragment: premultiplied_alpha_fragment, - project_vertex: project_vertex, - roughnessmap_fragment: roughnessmap_fragment, - roughnessmap_pars_fragment: roughnessmap_pars_fragment, - shadowmap_pars_fragment: shadowmap_pars_fragment, - shadowmap_pars_vertex: shadowmap_pars_vertex, - shadowmap_vertex: shadowmap_vertex, - shadowmask_pars_fragment: shadowmask_pars_fragment, - skinbase_vertex: skinbase_vertex, - skinning_pars_vertex: skinning_pars_vertex, - skinning_vertex: skinning_vertex, - skinnormal_vertex: skinnormal_vertex, - specularmap_fragment: specularmap_fragment, - specularmap_pars_fragment: specularmap_pars_fragment, - tonemapping_fragment: tonemapping_fragment, - tonemapping_pars_fragment: tonemapping_pars_fragment, - uv_pars_fragment: uv_pars_fragment, - uv_pars_vertex: uv_pars_vertex, - uv_vertex: uv_vertex, - uv2_pars_fragment: uv2_pars_fragment, - uv2_pars_vertex: uv2_pars_vertex, - uv2_vertex: uv2_vertex, - worldpos_vertex: worldpos_vertex, + } - cube_frag: cube_frag, - cube_vert: cube_vert, - depth_frag: depth_frag, - depth_vert: depth_vert, - distanceRGBA_frag: distanceRGBA_frag, - distanceRGBA_vert: distanceRGBA_vert, - equirect_frag: equirect_frag, - equirect_vert: equirect_vert, - linedashed_frag: linedashed_frag, - linedashed_vert: linedashed_vert, - meshbasic_frag: meshbasic_frag, - meshbasic_vert: meshbasic_vert, - meshlambert_frag: meshlambert_frag, - meshlambert_vert: meshlambert_vert, - meshphong_frag: meshphong_frag, - meshphong_vert: meshphong_vert, - meshphysical_frag: meshphysical_frag, - meshphysical_vert: meshphysical_vert, - normal_frag: normal_frag, - normal_vert: normal_vert, - points_frag: points_frag, - points_vert: points_vert, - shadow_frag: shadow_frag, - shadow_vert: shadow_vert }; /** + * @author bhouston / http://clara.io * @author mrdoob / http://mrdoob.com/ */ - function Color( r, g, b ) { + function Sphere( center, radius ) { - if ( g === undefined && b === undefined ) { + this.center = ( center !== undefined ) ? center : new Vector3(); + this.radius = ( radius !== undefined ) ? radius : 0; - // r is THREE.Color, hex or string - return this.set( r ); + } - } + Sphere.prototype = { - return this.setRGB( r, g, b ); + constructor: Sphere, - } + set: function ( center, radius ) { - Color.prototype = { + this.center.copy( center ); + this.radius = radius; - constructor: Color, + return this; - isColor: true, + }, - r: 1, g: 1, b: 1, + setFromPoints: function () { - set: function ( value ) { + var box = new Box3(); - if ( (value && value.isColor) ) { + return function setFromPoints( points, optionalCenter ) { - this.copy( value ); + var center = this.center; - } else if ( typeof value === 'number' ) { + if ( optionalCenter !== undefined ) { - this.setHex( value ); + center.copy( optionalCenter ); - } else if ( typeof value === 'string' ) { + } else { - this.setStyle( value ); + box.setFromPoints( points ).getCenter( center ); - } + } - return this; + var maxRadiusSq = 0; - }, + for ( var i = 0, il = points.length; i < il; i ++ ) { - setScalar: function ( scalar ) { + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); - this.r = scalar; - this.g = scalar; - this.b = scalar; + } - return this; + this.radius = Math.sqrt( maxRadiusSq ); - }, + return this; - setHex: function ( hex ) { + }; - hex = Math.floor( hex ); + }(), - this.r = ( hex >> 16 & 255 ) / 255; - this.g = ( hex >> 8 & 255 ) / 255; - this.b = ( hex & 255 ) / 255; + clone: function () { - return this; + return new this.constructor().copy( this ); }, - setRGB: function ( r, g, b ) { + copy: function ( sphere ) { - this.r = r; - this.g = g; - this.b = b; + this.center.copy( sphere.center ); + this.radius = sphere.radius; return this; }, - setHSL: function () { + empty: function () { - function hue2rgb( p, q, t ) { + return ( this.radius <= 0 ); - if ( t < 0 ) t += 1; - if ( t > 1 ) t -= 1; - if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; - if ( t < 1 / 2 ) return q; - if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); - return p; + }, - } + containsPoint: function ( point ) { - return function setHSL( h, s, l ) { + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); - // h,s,l ranges are in 0.0 - 1.0 - h = _Math.euclideanModulo( h, 1 ); - s = _Math.clamp( s, 0, 1 ); - l = _Math.clamp( l, 0, 1 ); + }, - if ( s === 0 ) { + distanceToPoint: function ( point ) { - this.r = this.g = this.b = l; + return ( point.distanceTo( this.center ) - this.radius ); - } else { + }, - var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); - var q = ( 2 * l ) - p; + intersectsSphere: function ( sphere ) { - this.r = hue2rgb( q, p, h + 1 / 3 ); - this.g = hue2rgb( q, p, h ); - this.b = hue2rgb( q, p, h - 1 / 3 ); + var radiusSum = this.radius + sphere.radius; - } + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); - return this; + }, - }; + intersectsBox: function ( box ) { - }(), + return box.intersectsSphere( this ); - setStyle: function ( style ) { + }, - function handleAlpha( string ) { + intersectsPlane: function ( plane ) { - if ( string === undefined ) return; + // We use the following equation to compute the signed distance from + // the center of the sphere to the plane. + // + // distance = q * n - d + // + // If this distance is greater than the radius of the sphere, + // then there is no intersection. - if ( parseFloat( string ) < 1 ) { + return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; - console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + }, - } + clampPoint: function ( point, optionalTarget ) { - } + var deltaLengthSq = this.center.distanceToSquared( point ); + var result = optionalTarget || new Vector3(); - var m; + result.copy( point ); - if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { + if ( deltaLengthSq > ( this.radius * this.radius ) ) { - // rgb / hsl + result.sub( this.center ).normalize(); + result.multiplyScalar( this.radius ).add( this.center ); - var color; - var name = m[ 1 ]; - var components = m[ 2 ]; + } - switch ( name ) { + return result; - case 'rgb': - case 'rgba': + }, - if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + getBoundingBox: function ( optionalTarget ) { - // rgb(255,0,0) rgba(255,0,0,0.5) - this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; - this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; - this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; + var box = optionalTarget || new Box3(); - handleAlpha( color[ 5 ] ); + box.set( this.center, this.center ); + box.expandByScalar( this.radius ); - return this; + return box; - } + }, - if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + applyMatrix4: function ( matrix ) { - // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) - this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; - this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; - this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); - handleAlpha( color[ 5 ] ); + return this; - return this; + }, - } + translate: function ( offset ) { - break; + this.center.add( offset ); - case 'hsl': - case 'hsla': + return this; - if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + }, - // hsl(120,50%,50%) hsla(120,50%,50%,0.5) - var h = parseFloat( color[ 1 ] ) / 360; - var s = parseInt( color[ 2 ], 10 ) / 100; - var l = parseInt( color[ 3 ], 10 ) / 100; + equals: function ( sphere ) { - handleAlpha( color[ 5 ] ); + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); - return this.setHSL( h, s, l ); + } - } + }; - break; + /** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */ - } + function Matrix3() { - } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { + this.elements = new Float32Array( [ - // hex color + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 - var hex = m[ 1 ]; - var size = hex.length; + ] ); - if ( size === 3 ) { + if ( arguments.length > 0 ) { - // #ff0 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); - return this; + } - } else if ( size === 6 ) { + } - // #ff0000 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + Matrix3.prototype = { - return this; + constructor: Matrix3, - } + isMatrix3: true, - } + set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { - if ( style && style.length > 0 ) { + var te = this.elements; - // color keywords - var hex = ColorKeywords[ style ]; + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; - if ( hex !== undefined ) { + return this; - // red - this.setHex( hex ); + }, - } else { + identity: function () { - // unknown color - console.warn( 'THREE.Color: Unknown color ' + style ); + this.set( - } + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 - } + ); return this; @@ -10312,216 +8781,216 @@ clone: function () { - return new this.constructor( this.r, this.g, this.b ); + return new this.constructor().fromArray( this.elements ); }, - copy: function ( color ) { - - this.r = color.r; - this.g = color.g; - this.b = color.b; - - return this; + copy: function ( m ) { - }, + var me = m.elements; - copyGammaToLinear: function ( color, gammaFactor ) { + this.set( - if ( gammaFactor === undefined ) gammaFactor = 2.0; + me[ 0 ], me[ 3 ], me[ 6 ], + me[ 1 ], me[ 4 ], me[ 7 ], + me[ 2 ], me[ 5 ], me[ 8 ] - this.r = Math.pow( color.r, gammaFactor ); - this.g = Math.pow( color.g, gammaFactor ); - this.b = Math.pow( color.b, gammaFactor ); + ); return this; }, - copyLinearToGamma: function ( color, gammaFactor ) { - - if ( gammaFactor === undefined ) gammaFactor = 2.0; - - var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; - - this.r = Math.pow( color.r, safeInverse ); - this.g = Math.pow( color.g, safeInverse ); - this.b = Math.pow( color.b, safeInverse ); - - return this; + setFromMatrix4: function( m ) { - }, + var me = m.elements; - convertGammaToLinear: function () { + this.set( - var r = this.r, g = this.g, b = this.b; + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] - this.r = r * r; - this.g = g * g; - this.b = b * b; + ); return this; }, - convertLinearToGamma: function () { + applyToVector3Array: function () { - this.r = Math.sqrt( this.r ); - this.g = Math.sqrt( this.g ); - this.b = Math.sqrt( this.b ); + var v1; - return this; + return function applyToVector3Array( array, offset, length ) { - }, + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; - getHex: function () { + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { - return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; + v1.fromArray( array, j ); + v1.applyMatrix3( this ); + v1.toArray( array, j ); - }, + } - getHexString: function () { + return array; - return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); + }; - }, + }(), - getHSL: function ( optionalTarget ) { + applyToBuffer: function () { - // h,s,l ranges are in 0.0 - 1.0 + var v1; - var hsl = optionalTarget || { h: 0, s: 0, l: 0 }; + return function applyToBuffer( buffer, offset, length ) { - var r = this.r, g = this.g, b = this.b; + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; - var max = Math.max( r, g, b ); - var min = Math.min( r, g, b ); + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { - var hue, saturation; - var lightness = ( min + max ) / 2.0; + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); - if ( min === max ) { + v1.applyMatrix3( this ); - hue = 0; - saturation = 0; + buffer.setXYZ( j, v1.x, v1.y, v1.z ); - } else { + } - var delta = max - min; + return buffer; - saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + }; - switch ( max ) { + }(), - case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; - case g: hue = ( b - r ) / delta + 2; break; - case b: hue = ( r - g ) / delta + 4; break; + multiplyScalar: function ( s ) { - } + var te = this.elements; - hue /= 6; + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; - } + return this; - hsl.h = hue; - hsl.s = saturation; - hsl.l = lightness; + }, - return hsl; + determinant: function () { - }, + var te = this.elements; - getStyle: function () { + var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; - return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; }, - offsetHSL: function ( h, s, l ) { + getInverse: function ( matrix, throwOnDegenerate ) { - var hsl = this.getHSL(); + if ( (matrix && matrix.isMatrix4) ) { - hsl.h += h; hsl.s += s; hsl.l += l; + console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." ); - this.setHSL( hsl.h, hsl.s, hsl.l ); + } - return this; + var me = matrix.elements, + te = this.elements, - }, + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], + n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], + n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], - add: function ( color ) { + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, - this.r += color.r; - this.g += color.g; - this.b += color.b; + det = n11 * t11 + n21 * t12 + n31 * t13; - return this; + if ( det === 0 ) { - }, + var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0"; - addColors: function ( color1, color2 ) { + if ( throwOnDegenerate === true ) { - this.r = color1.r + color2.r; - this.g = color1.g + color2.g; - this.b = color1.b + color2.b; + throw new Error( msg ); - return this; + } else { - }, + console.warn( msg ); - addScalar: function ( s ) { + } - this.r += s; - this.g += s; - this.b += s; + return this.identity(); + } - return this; + var detInv = 1 / det; - }, + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; - sub: function( color ) { + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; - this.r = Math.max( 0, this.r - color.r ); - this.g = Math.max( 0, this.g - color.g ); - this.b = Math.max( 0, this.b - color.b ); + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; return this; }, - multiply: function ( color ) { + transpose: function () { - this.r *= color.r; - this.g *= color.g; - this.b *= color.b; + var tmp, m = this.elements; + + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; return this; }, - multiplyScalar: function ( s ) { + flattenToArrayOffset: function ( array, offset ) { - this.r *= s; - this.g *= s; - this.b *= s; + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); - return this; + return this.toArray( array, offset ); }, - lerp: function ( color, alpha ) { - - this.r += ( color.r - this.r ) * alpha; - this.g += ( color.g - this.g ) * alpha; - this.b += ( color.b - this.b ) * alpha; + getNormalMatrix: function ( matrix4 ) { - return this; + return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); }, - equals: function ( c ) { + transposeIntoArray: function ( r ) { - return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + var m = this.elements; + + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + + return this; }, @@ -10529,9 +8998,11 @@ if ( offset === undefined ) offset = 0; - this.r = array[ offset ]; - this.g = array[ offset + 1 ]; - this.b = array[ offset + 2 ]; + for( var i = 0; i < 9; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } return this; @@ -10542,2133 +9013,1963 @@ if ( array === undefined ) array = []; if ( offset === undefined ) offset = 0; - array[ offset ] = this.r; - array[ offset + 1 ] = this.g; - array[ offset + 2 ] = this.b; + var te = this.elements; - return array; + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; - }, + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; - toJSON: function () { + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; - return this.getHex(); + return array; } }; - var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, - 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, - 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, - 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, - 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, - 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, - 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, - 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, - 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, - 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, - 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, - 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, - 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, - 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, - 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, - 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, - 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, - 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, - 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, - 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, - 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, - 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, - 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, - 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; - /** - * Uniforms library for shared webgl shaders + * @author bhouston / http://clara.io */ - var UniformsLib = { + function Plane( normal, constant ) { - common: { + this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); + this.constant = ( constant !== undefined ) ? constant : 0; - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, + } - map: { value: null }, - offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, + Plane.prototype = { - specularMap: { value: null }, - alphaMap: { value: null }, + constructor: Plane, - envMap: { value: null }, - flipEnvMap: { value: - 1 }, - reflectivity: { value: 1.0 }, - refractionRatio: { value: 0.98 } + set: function ( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; + + return this; }, - aomap: { + setComponents: function ( x, y, z, w ) { - aoMap: { value: null }, - aoMapIntensity: { value: 1 } + this.normal.set( x, y, z ); + this.constant = w; + + return this; }, - lightmap: { + setFromNormalAndCoplanarPoint: function ( normal, point ) { - lightMap: { value: null }, - lightMapIntensity: { value: 1 } + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); // must be this.normal, not normal, as this.normal is normalized + + return this; }, - emissivemap: { + setFromCoplanarPoints: function () { - emissiveMap: { value: null } + var v1 = new Vector3(); + var v2 = new Vector3(); + + return function setFromCoplanarPoints( a, b, c ) { + + var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize(); + + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; + + }; + + }(), + + clone: function () { + + return new this.constructor().copy( this ); }, - bumpmap: { + copy: function ( plane ) { - bumpMap: { value: null }, - bumpScale: { value: 1 } + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; }, - normalmap: { + normalize: function () { - normalMap: { value: null }, - normalScale: { value: new Vector2( 1, 1 ) } + // Note: will lead to a divide by zero if the plane is invalid. + + var inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; }, - displacementmap: { + negate: function () { - displacementMap: { value: null }, - displacementScale: { value: 1 }, - displacementBias: { value: 0 } + this.constant *= - 1; + this.normal.negate(); + + return this; }, - roughnessmap: { + distanceToPoint: function ( point ) { - roughnessMap: { value: null } + return this.normal.dot( point ) + this.constant; }, - metalnessmap: { + distanceToSphere: function ( sphere ) { - metalnessMap: { value: null } + return this.distanceToPoint( sphere.center ) - sphere.radius; }, - fog: { + projectPoint: function ( point, optionalTarget ) { - fogDensity: { value: 0.00025 }, - fogNear: { value: 1 }, - fogFar: { value: 2000 }, - fogColor: { value: new Color( 0xffffff ) } + return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); }, - lights: { + orthoPoint: function ( point, optionalTarget ) { - ambientLightColor: { value: [] }, + var perpendicularMagnitude = this.distanceToPoint( point ); - directionalLights: { value: [], properties: { - direction: {}, - color: {}, + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + }, - directionalShadowMap: { value: [] }, - directionalShadowMatrix: { value: [] }, + intersectLine: function () { - spotLights: { value: [], properties: { - color: {}, - position: {}, - direction: {}, - distance: {}, - coneCos: {}, - penumbraCos: {}, - decay: {}, + var v1 = new Vector3(); - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + return function intersectLine( line, optionalTarget ) { - spotShadowMap: { value: [] }, - spotShadowMatrix: { value: [] }, + var result = optionalTarget || new Vector3(); - pointLights: { value: [], properties: { - color: {}, - position: {}, - decay: {}, - distance: {}, - - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + var direction = line.delta( v1 ); - pointShadowMap: { value: [] }, - pointShadowMatrix: { value: [] }, + var denominator = this.normal.dot( direction ); - hemisphereLights: { value: [], properties: { - direction: {}, - skyColor: {}, - groundColor: {} - } } + if ( denominator === 0 ) { - }, + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { - points: { + return result.copy( line.start ); - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, - size: { value: 1.0 }, - scale: { value: 1.0 }, - map: { value: null }, - offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } + } - } + // Unsure if this is the correct method to handle this case. + return undefined; - }; + } - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - */ + var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; - var ShaderLib = { + if ( t < 0 || t > 1 ) { - basic: { + return undefined; - uniforms: UniformsUtils.merge( [ + } - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.fog + return result.copy( direction ).multiplyScalar( t ).add( line.start ); - ] ), + }; - vertexShader: ShaderChunk.meshbasic_vert, - fragmentShader: ShaderChunk.meshbasic_frag + }(), - }, + intersectsLine: function ( line ) { - lambert: { + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. - uniforms: UniformsUtils.merge( [ + var startSign = this.distanceToPoint( line.start ); + var endSign = this.distanceToPoint( line.end ); - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.fog, - UniformsLib.lights, + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); - { - emissive : { value: new Color( 0x000000 ) } - } + }, - ] ), + intersectsBox: function ( box ) { - vertexShader: ShaderChunk.meshlambert_vert, - fragmentShader: ShaderChunk.meshlambert_frag + return box.intersectsPlane( this ); }, - phong: { - - uniforms: UniformsUtils.merge( [ + intersectsSphere: function ( sphere ) { - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.fog, - UniformsLib.lights, + return sphere.intersectsPlane( this ); - { - emissive : { value: new Color( 0x000000 ) }, - specular : { value: new Color( 0x111111 ) }, - shininess: { value: 30 } - } + }, - ] ), + coplanarPoint: function ( optionalTarget ) { - vertexShader: ShaderChunk.meshphong_vert, - fragmentShader: ShaderChunk.meshphong_frag + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( - this.constant ); }, - standard: { + applyMatrix4: function () { - uniforms: UniformsUtils.merge( [ + var v1 = new Vector3(); + var m1 = new Matrix3(); - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.roughnessmap, - UniformsLib.metalnessmap, - UniformsLib.fog, - UniformsLib.lights, + return function applyMatrix4( matrix, optionalNormalMatrix ) { - { - emissive : { value: new Color( 0x000000 ) }, - roughness: { value: 0.5 }, - metalness: { value: 0 }, - envMapIntensity : { value: 1 }, // temporary - } + var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); - ] ), + // transform normal based on theory here: + // http://www.songho.ca/opengl/gl_normaltransform.html + var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); + var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag + // recalculate constant (like in setFromNormalAndCoplanarPoint) + this.constant = - referencePoint.dot( normal ); - }, + return this; - points: { + }; - uniforms: UniformsUtils.merge( [ + }(), - UniformsLib.points, - UniformsLib.fog + translate: function ( offset ) { - ] ), + this.constant = this.constant - offset.dot( this.normal ); - vertexShader: ShaderChunk.points_vert, - fragmentShader: ShaderChunk.points_frag + return this; }, - dashed: { - - uniforms: UniformsUtils.merge( [ - - UniformsLib.common, - UniformsLib.fog, + equals: function ( plane ) { - { - scale : { value: 1 }, - dashSize : { value: 1 }, - totalSize: { value: 2 } - } + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); - ] ), + } - vertexShader: ShaderChunk.linedashed_vert, - fragmentShader: ShaderChunk.linedashed_frag + }; - }, + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / http://clara.io + */ - depth: { + function Frustum( p0, p1, p2, p3, p4, p5 ) { - uniforms: UniformsUtils.merge( [ + this.planes = [ - UniformsLib.common, - UniformsLib.displacementmap + ( p0 !== undefined ) ? p0 : new Plane(), + ( p1 !== undefined ) ? p1 : new Plane(), + ( p2 !== undefined ) ? p2 : new Plane(), + ( p3 !== undefined ) ? p3 : new Plane(), + ( p4 !== undefined ) ? p4 : new Plane(), + ( p5 !== undefined ) ? p5 : new Plane() - ] ), + ]; - vertexShader: ShaderChunk.depth_vert, - fragmentShader: ShaderChunk.depth_frag + } - }, + Frustum.prototype = { - normal: { + constructor: Frustum, - uniforms: { + set: function ( p0, p1, p2, p3, p4, p5 ) { - opacity : { value: 1.0 } + var planes = this.planes; - }, + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); - vertexShader: ShaderChunk.normal_vert, - fragmentShader: ShaderChunk.normal_frag + return this; }, - /* ------------------------------------------------------------------------- - // Cube map shader - ------------------------------------------------------------------------- */ + clone: function () { - cube: { + return new this.constructor().copy( this ); - uniforms: { - tCube: { value: null }, - tFlip: { value: - 1 }, - opacity: { value: 1.0 } - }, + }, - vertexShader: ShaderChunk.cube_vert, - fragmentShader: ShaderChunk.cube_frag + copy: function ( frustum ) { - }, + var planes = this.planes; - /* ------------------------------------------------------------------------- - // Cube map shader - ------------------------------------------------------------------------- */ + for ( var i = 0; i < 6; i ++ ) { - equirect: { + planes[ i ].copy( frustum.planes[ i ] ); - uniforms: { - tEquirect: { value: null }, - tFlip: { value: - 1 } - }, + } - vertexShader: ShaderChunk.equirect_vert, - fragmentShader: ShaderChunk.equirect_frag + return this; }, - distanceRGBA: { + setFromMatrix: function ( m ) { - uniforms: { + var planes = this.planes; + var me = m.elements; + var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; - lightPos: { value: new Vector3() } + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); - }, + return this; - vertexShader: ShaderChunk.distanceRGBA_vert, - fragmentShader: ShaderChunk.distanceRGBA_frag + }, - } + intersectsObject: function () { - }; + var sphere = new Sphere(); - ShaderLib.physical = { + return function intersectsObject( object ) { - uniforms: UniformsUtils.merge( [ + var geometry = object.geometry; - ShaderLib.standard.uniforms, + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); - { - clearCoat: { value: 0 }, - clearCoatRoughness: { value: 0 } - } + sphere.copy( geometry.boundingSphere ) + .applyMatrix4( object.matrixWorld ); - ] ), + return this.intersectsSphere( sphere ); - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag + }; - }; + }(), - /** - * @author bhouston / http://clara.io - */ + intersectsSprite: function () { - function Box2( min, max ) { + var sphere = new Sphere(); - this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); - this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); + return function intersectsSprite( sprite ) { - } + sphere.center.set( 0, 0, 0 ); + sphere.radius = 0.7071067811865476; + sphere.applyMatrix4( sprite.matrixWorld ); - Box2.prototype = { + return this.intersectsSphere( sphere ); - constructor: Box2, + }; - set: function ( min, max ) { + }(), - this.min.copy( min ); - this.max.copy( max ); + intersectsSphere: function ( sphere ) { - return this; + var planes = this.planes; + var center = sphere.center; + var negRadius = - sphere.radius; - }, + for ( var i = 0; i < 6; i ++ ) { - setFromPoints: function ( points ) { + var distance = planes[ i ].distanceToPoint( center ); - this.makeEmpty(); + if ( distance < negRadius ) { - for ( var i = 0, il = points.length; i < il; i ++ ) { + return false; - this.expandByPoint( points[ i ] ); + } } - return this; + return true; }, - setFromCenterAndSize: function () { - - var v1 = new Vector2(); - - return function setFromCenterAndSize( center, size ) { + intersectsBox: function () { - var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); + var p1 = new Vector3(), + p2 = new Vector3(); - return this; + return function intersectsBox( box ) { - }; + var planes = this.planes; - }(), + for ( var i = 0; i < 6 ; i ++ ) { - clone: function () { + var plane = planes[ i ]; - return new this.constructor().copy( this ); + p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; + p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; + p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; + p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; + p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; + p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; - }, + var d1 = plane.distanceToPoint( p1 ); + var d2 = plane.distanceToPoint( p2 ); - copy: function ( box ) { + // if both outside plane, no intersection - this.min.copy( box.min ); - this.max.copy( box.max ); + if ( d1 < 0 && d2 < 0 ) { - return this; + return false; - }, + } - makeEmpty: function () { + } - this.min.x = this.min.y = + Infinity; - this.max.x = this.max.y = - Infinity; + return true; - return this; + }; - }, + }(), - isEmpty: function () { - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + containsPoint: function ( point ) { - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + var planes = this.planes; - }, + for ( var i = 0; i < 6; i ++ ) { - getCenter: function ( optionalTarget ) { + if ( planes[ i ].distanceToPoint( point ) < 0 ) { - var result = optionalTarget || new Vector2(); - return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + return false; - }, + } - getSize: function ( optionalTarget ) { + } - var result = optionalTarget || new Vector2(); - return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min ); + return true; - }, + } - expandByPoint: function ( point ) { + }; - this.min.min( point ); - this.max.max( point ); + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - return this; + function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { - }, + var _gl = _renderer.context, + _state = _renderer.state, + _frustum = new Frustum(), + _projScreenMatrix = new Matrix4(), - expandByVector: function ( vector ) { + _lightShadows = _lights.shadows, - this.min.sub( vector ); - this.max.add( vector ); + _shadowMapSize = new Vector2(), + _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), - return this; + _lookTarget = new Vector3(), + _lightPositionWorld = new Vector3(), - }, + _renderList = [], - expandByScalar: function ( scalar ) { + _MorphingFlag = 1, + _SkinningFlag = 2, - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); + _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, - return this; + _depthMaterials = new Array( _NumberOfMaterialVariants ), + _distanceMaterials = new Array( _NumberOfMaterialVariants ), - }, + _materialCache = {}; - containsPoint: function ( point ) { + var cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; - if ( point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y ) { + var cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; - return false; + var cube2DViewPorts = [ + new Vector4(), new Vector4(), new Vector4(), + new Vector4(), new Vector4(), new Vector4() + ]; - } + // init - return true; + var depthMaterialTemplate = new MeshDepthMaterial(); + depthMaterialTemplate.depthPacking = RGBADepthPacking; + depthMaterialTemplate.clipping = true; - }, + var distanceShader = ShaderLib[ "distanceRGBA" ]; + var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); - containsBox: function ( box ) { + for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { - if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && - ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) { + var useMorphing = ( i & _MorphingFlag ) !== 0; + var useSkinning = ( i & _SkinningFlag ) !== 0; - return true; + var depthMaterial = depthMaterialTemplate.clone(); + depthMaterial.morphTargets = useMorphing; + depthMaterial.skinning = useSkinning; - } + _depthMaterials[ i ] = depthMaterial; - return false; + var distanceMaterial = new ShaderMaterial( { + defines: { + 'USE_SHADOWMAP': '' + }, + uniforms: distanceUniforms, + vertexShader: distanceShader.vertexShader, + fragmentShader: distanceShader.fragmentShader, + morphTargets: useMorphing, + skinning: useSkinning, + clipping: true + } ); - }, + _distanceMaterials[ i ] = distanceMaterial; - getParameter: function ( point, optionalTarget ) { + } - // This can potentially have a divide by zero if the box - // has a size dimension of 0. + // - var result = optionalTarget || new Vector2(); + var scope = this; - return result.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ) - ); + this.enabled = false; - }, + this.autoUpdate = true; + this.needsUpdate = false; - intersectsBox: function ( box ) { + this.type = PCFShadowMap; - // using 6 splitting planes to rule out intersections. + this.renderReverseSided = true; + this.renderSingleSided = true; - if ( box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y ) { + this.render = function ( scene, camera ) { - return false; + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; - } + if ( _lightShadows.length === 0 ) return; - return true; + // Set GL state for depth map. + _state.clearColor( 1, 1, 1, 1 ); + _state.disable( _gl.BLEND ); + _state.setDepthTest( true ); + _state.setScissorTest( false ); - }, + // render depth map - clampPoint: function ( point, optionalTarget ) { + var faceCount, isPointLight; - var result = optionalTarget || new Vector2(); - return result.copy( point ).clamp( this.min, this.max ); + for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { - }, + var light = _lightShadows[ i ]; + var shadow = light.shadow; - distanceToPoint: function () { + if ( shadow === undefined ) { - var v1 = new Vector2(); + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; - return function distanceToPoint( point ) { + } - var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); - return clampedPoint.sub( point ).length(); + var shadowCamera = shadow.camera; - }; + _shadowMapSize.copy( shadow.mapSize ); + _shadowMapSize.min( _maxShadowMapSize ); - }(), + if ( (light && light.isPointLight) ) { - intersect: function ( box ) { + faceCount = 6; + isPointLight = true; - this.min.max( box.min ); - this.max.min( box.max ); + var vpWidth = _shadowMapSize.x; + var vpHeight = _shadowMapSize.y; - return this; + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction - }, + // positive X + cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); + // negative X + cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); + // positive Z + cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); + // negative Z + cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); + // positive Y + cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); + // negative Y + cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); - union: function ( box ) { + _shadowMapSize.x *= 4.0; + _shadowMapSize.y *= 2.0; - this.min.min( box.min ); - this.max.max( box.max ); + } else { - return this; + faceCount = 1; + isPointLight = false; - }, + } - translate: function ( offset ) { + if ( shadow.map === null ) { - this.min.add( offset ); - this.max.add( offset ); + var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; - return this; + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); - }, + shadowCamera.updateProjectionMatrix(); - equals: function ( box ) { + } - return box.min.equals( this.min ) && box.max.equals( this.max ); + if ( (shadow && shadow.isSpotLightShadow) ) { - } + shadow.update( light ); - }; + } - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + var shadowMap = shadow.map; + var shadowMatrix = shadow.matrix; - function LensFlarePlugin( renderer, flares ) { + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld ); - var gl = renderer.context; - var state = renderer.state; + _renderer.setRenderTarget( shadowMap ); + _renderer.clear(); - var vertexBuffer, elementBuffer; - var shader, program, attributes, uniforms; + // render shadow map for each cube face (if omni-directional) or + // run a single pass if not - var tempTexture, occlusionTexture; + for ( var face = 0; face < faceCount; face ++ ) { - function init() { + if ( isPointLight ) { - var vertices = new Float32Array( [ - - 1, - 1, 0, 0, - 1, - 1, 1, 0, - 1, 1, 1, 1, - - 1, 1, 0, 1 - ] ); + _lookTarget.copy( shadowCamera.position ); + _lookTarget.add( cubeDirections[ face ] ); + shadowCamera.up.copy( cubeUps[ face ] ); + shadowCamera.lookAt( _lookTarget ); - var faces = new Uint16Array( [ - 0, 1, 2, - 0, 2, 3 - ] ); + var vpDimensions = cube2DViewPorts[ face ]; + _state.viewport( vpDimensions ); - // buffers + } else { - vertexBuffer = gl.createBuffer(); - elementBuffer = gl.createBuffer(); + _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget ); - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + } - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + shadowCamera.updateMatrixWorld(); + shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); - // textures + // compute shadow matrix - tempTexture = gl.createTexture(); - occlusionTexture = gl.createTexture(); + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + shadowMatrix.multiply( shadowCamera.projectionMatrix ); + shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); - state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); - gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + // update camera matrices and frustum - shader = { + _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); - vertexShader: [ + // set object matrices & frustum culling - "uniform lowp int renderType;", + _renderList.length = 0; - "uniform vec3 screenPosition;", - "uniform vec2 scale;", - "uniform float rotation;", + projectObject( scene, camera, shadowCamera ); - "uniform sampler2D occlusionMap;", + // render shadow map + // render regular objects - "attribute vec2 position;", - "attribute vec2 uv;", + for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { - "varying vec2 vUV;", - "varying float vVisibility;", + var object = _renderList[ j ]; + var geometry = _objects.update( object ); + var material = object.material; - "void main() {", + if ( (material && material.isMultiMaterial) ) { - "vUV = uv;", + var groups = geometry.groups; + var materials = material.materials; - "vec2 pos = position;", + for ( var k = 0, kl = groups.length; k < kl; k ++ ) { - "if ( renderType == 2 ) {", + var group = groups[ k ]; + var groupMaterial = materials[ group.materialIndex ]; - "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", + if ( groupMaterial.visible === true ) { - "vVisibility = visibility.r / 9.0;", - "vVisibility *= 1.0 - visibility.g / 9.0;", - "vVisibility *= visibility.b / 9.0;", - "vVisibility *= 1.0 - visibility.a / 9.0;", + var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); - "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", - "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", + } - "}", + } - "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", + } else { - "}" + var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); - ].join( "\n" ), + } - fragmentShader: [ + } - "uniform lowp int renderType;", + } - "uniform sampler2D map;", - "uniform float opacity;", - "uniform vec3 color;", + } - "varying vec2 vUV;", - "varying float vVisibility;", + // Restore GL state. + var clearColor = _renderer.getClearColor(), + clearAlpha = _renderer.getClearAlpha(); + _renderer.setClearColor( clearColor, clearAlpha ); - "void main() {", + scope.needsUpdate = false; - // pink square + }; - "if ( renderType == 0 ) {", + function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { - "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", + var geometry = object.geometry; - // restore + var result = null; - "} else if ( renderType == 1 ) {", + var materialVariants = _depthMaterials; + var customMaterial = object.customDepthMaterial; - "gl_FragColor = texture2D( map, vUV );", + if ( isPointLight ) { - // flare + materialVariants = _distanceMaterials; + customMaterial = object.customDistanceMaterial; - "} else {", + } - "vec4 texture = texture2D( map, vUV );", - "texture.a *= opacity * vVisibility;", - "gl_FragColor = texture;", - "gl_FragColor.rgb *= color;", + if ( ! customMaterial ) { - "}", + var useMorphing = false; - "}" + if ( material.morphTargets ) { - ].join( "\n" ) + if ( (geometry && geometry.isBufferGeometry) ) { - }; + useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; - program = createProgram( shader ); + } else if ( (geometry && geometry.isGeometry) ) { - attributes = { - vertex: gl.getAttribLocation ( program, "position" ), - uv: gl.getAttribLocation ( program, "uv" ) - }; + useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; - uniforms = { - renderType: gl.getUniformLocation( program, "renderType" ), - map: gl.getUniformLocation( program, "map" ), - occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), - opacity: gl.getUniformLocation( program, "opacity" ), - color: gl.getUniformLocation( program, "color" ), - scale: gl.getUniformLocation( program, "scale" ), - rotation: gl.getUniformLocation( program, "rotation" ), - screenPosition: gl.getUniformLocation( program, "screenPosition" ) - }; + } - } + } - /* - * Render lens flares - * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, - * reads these back and calculates occlusion. - */ + var useSkinning = object.isSkinnedMesh && material.skinning; - this.render = function ( scene, camera, viewport ) { + var variantIndex = 0; - if ( flares.length === 0 ) return; + if ( useMorphing ) variantIndex |= _MorphingFlag; + if ( useSkinning ) variantIndex |= _SkinningFlag; - var tempPosition = new Vector3(); + result = materialVariants[ variantIndex ]; - var invAspect = viewport.w / viewport.z, - halfViewportWidth = viewport.z * 0.5, - halfViewportHeight = viewport.w * 0.5; + } else { - var size = 16 / viewport.w, - scale = new Vector2( size * invAspect, size ); + result = customMaterial; - var screenPosition = new Vector3( 1, 1, 0 ), - screenPositionPixels = new Vector2( 1, 1 ); + } - var validArea = new Box2(); + if ( _renderer.localClippingEnabled && + material.clipShadows === true && + material.clippingPlanes.length !== 0 ) { - validArea.min.set( viewport.x, viewport.y ); - validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); + // in this case we need a unique material instance reflecting the + // appropriate state - if ( program === undefined ) { + var keyA = result.uuid, keyB = material.uuid; - init(); + var materialsForVariant = _materialCache[ keyA ]; - } + if ( materialsForVariant === undefined ) { - gl.useProgram( program ); + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; - state.initAttributes(); - state.enableAttribute( attributes.vertex ); - state.enableAttribute( attributes.uv ); - state.disableUnusedAttributes(); + } - // loop through all lens flares to update their occlusion and positions - // setup gl and common used attribs/uniforms + var cachedMaterial = materialsForVariant[ keyB ]; - gl.uniform1i( uniforms.occlusionMap, 0 ); - gl.uniform1i( uniforms.map, 1 ); + if ( cachedMaterial === undefined ) { - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); - gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + } - state.disable( gl.CULL_FACE ); - state.setDepthWrite( false ); + result = cachedMaterial; - for ( var i = 0, l = flares.length; i < l; i ++ ) { + } - size = 16 / viewport.w; - scale.set( size * invAspect, size ); + result.visible = material.visible; + result.wireframe = material.wireframe; - // calc object screen position + var side = material.side; - var flare = flares[ i ]; + if ( scope.renderSingleSided && side == DoubleSide ) { - tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); + side = FrontSide; - tempPosition.applyMatrix4( camera.matrixWorldInverse ); - tempPosition.applyProjection( camera.projectionMatrix ); + } - // setup arrays for gl programs + if ( scope.renderReverseSided ) { - screenPosition.copy( tempPosition ); + if ( side === FrontSide ) side = BackSide; + else if ( side === BackSide ) side = FrontSide; - // horizontal and vertical coordinate of the lower left corner of the pixels to copy + } - screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; - screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; + result.side = side; - // screen cull + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; - if ( validArea.containsPoint( screenPositionPixels ) === true ) { + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; - // save current RGB to temp texture + if ( isPointLight && result.uniforms.lightPos !== undefined ) { - state.activeTexture( gl.TEXTURE0 ); - state.bindTexture( gl.TEXTURE_2D, null ); - state.activeTexture( gl.TEXTURE1 ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + result.uniforms.lightPos.value.copy( lightPositionWorld ); + } - // render pink quad + return result; - gl.uniform1i( uniforms.renderType, 0 ); - gl.uniform2f( uniforms.scale, scale.x, scale.y ); - gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + } - state.disable( gl.BLEND ); - state.enable( gl.DEPTH_TEST ); + function projectObject( object, camera, shadowCamera ) { - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + if ( object.visible === false ) return; + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; - // copy result to occlusionMap + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { - state.activeTexture( gl.TEXTURE0 ); - state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); - gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { + var material = object.material; - // restore graphics + if ( material.visible === true ) { - gl.uniform1i( uniforms.renderType, 1 ); - state.disable( gl.DEPTH_TEST ); + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + _renderList.push( object ); - state.activeTexture( gl.TEXTURE1 ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + } + } - // update object positions + } - flare.positionScreen.copy( screenPosition ); + var children = object.children; - if ( flare.customUpdateCallback ) { + for ( var i = 0, l = children.length; i < l; i ++ ) { - flare.customUpdateCallback( flare ); + projectObject( children[ i ], camera, shadowCamera ); - } else { + } - flare.updateLensFlares(); + } - } + } - // render flares + /** + * @author bhouston / http://clara.io + */ - gl.uniform1i( uniforms.renderType, 2 ); - state.enable( gl.BLEND ); + function Ray( origin, direction ) { - for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { + this.origin = ( origin !== undefined ) ? origin : new Vector3(); + this.direction = ( direction !== undefined ) ? direction : new Vector3(); - var sprite = flare.lensFlares[ j ]; + } - if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { + Ray.prototype = { - screenPosition.x = sprite.x; - screenPosition.y = sprite.y; - screenPosition.z = sprite.z; + constructor: Ray, - size = sprite.size * sprite.scale / viewport.w; + set: function ( origin, direction ) { - scale.x = size * invAspect; - scale.y = size; + this.origin.copy( origin ); + this.direction.copy( direction ); - gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); - gl.uniform2f( uniforms.scale, scale.x, scale.y ); - gl.uniform1f( uniforms.rotation, sprite.rotation ); + return this; - gl.uniform1f( uniforms.opacity, sprite.opacity ); - gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); + }, - state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); - renderer.setTexture2D( sprite.texture, 1 ); + clone: function () { - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + return new this.constructor().copy( this ); - } + }, - } + copy: function ( ray ) { - } + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); - } + return this; - // restore gl + }, - state.enable( gl.CULL_FACE ); - state.enable( gl.DEPTH_TEST ); - state.setDepthWrite( true ); + at: function ( t, optionalTarget ) { - renderer.resetGLState(); + var result = optionalTarget || new Vector3(); - }; + return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); - function createProgram( shader ) { + }, - var program = gl.createProgram(); + lookAt: function ( v ) { - var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); - var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + this.direction.copy( v ).sub( this.origin ).normalize(); - var prefix = "precision " + renderer.getPrecision() + " float;\n"; + return this; - gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); - gl.shaderSource( vertexShader, prefix + shader.vertexShader ); + }, - gl.compileShader( fragmentShader ); - gl.compileShader( vertexShader ); + recast: function () { - gl.attachShader( program, fragmentShader ); - gl.attachShader( program, vertexShader ); + var v1 = new Vector3(); - gl.linkProgram( program ); + return function recast( t ) { - return program; + this.origin.copy( this.at( t, v1 ) ); - } + return this; - } + }; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + }(), - function SpritePlugin( renderer, sprites ) { + closestPointToPoint: function ( point, optionalTarget ) { - var gl = renderer.context; - var state = renderer.state; + var result = optionalTarget || new Vector3(); + result.subVectors( point, this.origin ); + var directionDistance = result.dot( this.direction ); - var vertexBuffer, elementBuffer; - var program, attributes, uniforms; + if ( directionDistance < 0 ) { - var texture; + return result.copy( this.origin ); - // decompose matrixWorld + } - var spritePosition = new Vector3(); - var spriteRotation = new Quaternion(); - var spriteScale = new Vector3(); + return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); - function init() { + }, - var vertices = new Float32Array( [ - - 0.5, - 0.5, 0, 0, - 0.5, - 0.5, 1, 0, - 0.5, 0.5, 1, 1, - - 0.5, 0.5, 0, 1 - ] ); + distanceToPoint: function ( point ) { - var faces = new Uint16Array( [ - 0, 1, 2, - 0, 2, 3 - ] ); + return Math.sqrt( this.distanceSqToPoint( point ) ); - vertexBuffer = gl.createBuffer(); - elementBuffer = gl.createBuffer(); + }, - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + distanceSqToPoint: function () { - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + var v1 = new Vector3(); - program = createProgram(); + return function distanceSqToPoint( point ) { - attributes = { - position: gl.getAttribLocation ( program, 'position' ), - uv: gl.getAttribLocation ( program, 'uv' ) - }; + var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); - uniforms = { - uvOffset: gl.getUniformLocation( program, 'uvOffset' ), - uvScale: gl.getUniformLocation( program, 'uvScale' ), + // point behind the ray - rotation: gl.getUniformLocation( program, 'rotation' ), - scale: gl.getUniformLocation( program, 'scale' ), + if ( directionDistance < 0 ) { - color: gl.getUniformLocation( program, 'color' ), - map: gl.getUniformLocation( program, 'map' ), - opacity: gl.getUniformLocation( program, 'opacity' ), + return this.origin.distanceToSquared( point ); - modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), - projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), + } - fogType: gl.getUniformLocation( program, 'fogType' ), - fogDensity: gl.getUniformLocation( program, 'fogDensity' ), - fogNear: gl.getUniformLocation( program, 'fogNear' ), - fogFar: gl.getUniformLocation( program, 'fogFar' ), - fogColor: gl.getUniformLocation( program, 'fogColor' ), + v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + return v1.distanceToSquared( point ); - alphaTest: gl.getUniformLocation( program, 'alphaTest' ) }; - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = 8; - canvas.height = 8; + }(), - var context = canvas.getContext( '2d' ); - context.fillStyle = 'white'; - context.fillRect( 0, 0, 8, 8 ); + distanceSqToSegment: function () { - texture = new Texture( canvas ); - texture.needsUpdate = true; + var segCenter = new Vector3(); + var segDir = new Vector3(); + var diff = new Vector3(); - } + return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { - this.render = function ( scene, camera ) { + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment - if ( sprites.length === 0 ) return; + segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + segDir.copy( v1 ).sub( v0 ).normalize(); + diff.copy( this.origin ).sub( segCenter ); - // setup gl + var segExtent = v0.distanceTo( v1 ) * 0.5; + var a01 = - this.direction.dot( segDir ); + var b0 = diff.dot( this.direction ); + var b1 = - diff.dot( segDir ); + var c = diff.lengthSq(); + var det = Math.abs( 1 - a01 * a01 ); + var s0, s1, sqrDist, extDet; - if ( program === undefined ) { + if ( det > 0 ) { - init(); + // The ray and segment are not parallel. - } + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; - gl.useProgram( program ); + if ( s0 >= 0 ) { - state.initAttributes(); - state.enableAttribute( attributes.position ); - state.enableAttribute( attributes.uv ); - state.disableUnusedAttributes(); + if ( s1 >= - extDet ) { - state.disable( gl.CULL_FACE ); - state.enable( gl.BLEND ); + if ( s1 <= extDet ) { - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); - gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + // region 0 + // Minimum at interior points of ray and segment. - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + var invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; - gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); + } else { - state.activeTexture( gl.TEXTURE0 ); - gl.uniform1i( uniforms.map, 0 ); + // region 1 - var oldFogType = 0; - var sceneFogType = 0; - var fog = scene.fog; + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - if ( fog ) { + } - gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); + } else { - if ( (fog && fog.isFog) ) { + // region 5 - gl.uniform1f( uniforms.fogNear, fog.near ); - gl.uniform1f( uniforms.fogFar, fog.far ); + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - gl.uniform1i( uniforms.fogType, 1 ); - oldFogType = 1; - sceneFogType = 1; + } - } else if ( (fog && fog.isFogExp2) ) { + } else { - gl.uniform1f( uniforms.fogDensity, fog.density ); + if ( s1 <= - extDet ) { - gl.uniform1i( uniforms.fogType, 2 ); - oldFogType = 2; - sceneFogType = 2; + // region 4 - } + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - } else { + } else if ( s1 <= extDet ) { - gl.uniform1i( uniforms.fogType, 0 ); - oldFogType = 0; - sceneFogType = 0; + // region 3 - } + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + } else { - // update positions and sort + // region 2 - for ( var i = 0, l = sprites.length; i < l; i ++ ) { + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - var sprite = sprites[ i ]; + } - sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); - sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; + } - } + } else { - sprites.sort( painterSortStable ); + // Ray and segment are parallel. - // render all sprites + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - var scale = []; + } - for ( var i = 0, l = sprites.length; i < l; i ++ ) { + if ( optionalPointOnRay ) { - var sprite = sprites[ i ]; - var material = sprite.material; + optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); - if ( material.visible === false ) continue; + } - gl.uniform1f( uniforms.alphaTest, material.alphaTest ); - gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); + if ( optionalPointOnSegment ) { - sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); + optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter ); - scale[ 0 ] = spriteScale.x; - scale[ 1 ] = spriteScale.y; + } - var fogType = 0; + return sqrDist; - if ( scene.fog && material.fog ) { + }; - fogType = sceneFogType; + }(), - } + intersectSphere: function () { - if ( oldFogType !== fogType ) { + var v1 = new Vector3(); - gl.uniform1i( uniforms.fogType, fogType ); - oldFogType = fogType; + return function intersectSphere( sphere, optionalTarget ) { - } + v1.subVectors( sphere.center, this.origin ); + var tca = v1.dot( this.direction ); + var d2 = v1.dot( v1 ) - tca * tca; + var radius2 = sphere.radius * sphere.radius; - if ( material.map !== null ) { + if ( d2 > radius2 ) return null; - gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); - gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); + var thc = Math.sqrt( radius2 - d2 ); - } else { + // t0 = first intersect point - entrance on front of sphere + var t0 = tca - thc; - gl.uniform2f( uniforms.uvOffset, 0, 0 ); - gl.uniform2f( uniforms.uvScale, 1, 1 ); + // t1 = second intersect point - exit point on back of sphere + var t1 = tca + thc; - } + // test to see if both t0 and t1 are behind the ray - if so, return null + if ( t0 < 0 && t1 < 0 ) return null; - gl.uniform1f( uniforms.opacity, material.opacity ); - gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, optionalTarget ); - gl.uniform1f( uniforms.rotation, material.rotation ); - gl.uniform2fv( uniforms.scale, scale ); + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, optionalTarget ); - state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); - state.setDepthTest( material.depthTest ); - state.setDepthWrite( material.depthWrite ); + }; - if ( material.map ) { + }(), - renderer.setTexture2D( material.map, 0 ); + intersectsSphere: function ( sphere ) { - } else { + return this.distanceToPoint( sphere.center ) <= sphere.radius; - renderer.setTexture2D( texture, 0 ); + }, - } + distanceToPlane: function ( plane ) { - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + var denominator = plane.normal.dot( this.direction ); - } + if ( denominator === 0 ) { - // restore gl + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { - state.enable( gl.CULL_FACE ); + return 0; - renderer.resetGLState(); + } - }; + // Null is preferable to undefined since undefined means.... it is undefined - function createProgram() { + return null; - var program = gl.createProgram(); + } - var vertexShader = gl.createShader( gl.VERTEX_SHADER ); - var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; - gl.shaderSource( vertexShader, [ + // Return if the ray never intersects the plane - 'precision ' + renderer.getPrecision() + ' float;', + return t >= 0 ? t : null; - 'uniform mat4 modelViewMatrix;', - 'uniform mat4 projectionMatrix;', - 'uniform float rotation;', - 'uniform vec2 scale;', - 'uniform vec2 uvOffset;', - 'uniform vec2 uvScale;', + }, - 'attribute vec2 position;', - 'attribute vec2 uv;', + intersectPlane: function ( plane, optionalTarget ) { - 'varying vec2 vUV;', + var t = this.distanceToPlane( plane ); - 'void main() {', + if ( t === null ) { - 'vUV = uvOffset + uv * uvScale;', + return null; - 'vec2 alignedPosition = position * scale;', + } - 'vec2 rotatedPosition;', - 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', - 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', + return this.at( t, optionalTarget ); - 'vec4 finalPosition;', + }, - 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', - 'finalPosition.xy += rotatedPosition;', - 'finalPosition = projectionMatrix * finalPosition;', - 'gl_Position = finalPosition;', - '}' + intersectsPlane: function ( plane ) { - ].join( '\n' ) ); + // check if the ray lies on the plane first - gl.shaderSource( fragmentShader, [ + var distToPoint = plane.distanceToPoint( this.origin ); - 'precision ' + renderer.getPrecision() + ' float;', + if ( distToPoint === 0 ) { - 'uniform vec3 color;', - 'uniform sampler2D map;', - 'uniform float opacity;', + return true; - 'uniform int fogType;', - 'uniform vec3 fogColor;', - 'uniform float fogDensity;', - 'uniform float fogNear;', - 'uniform float fogFar;', - 'uniform float alphaTest;', + } - 'varying vec2 vUV;', + var denominator = plane.normal.dot( this.direction ); - 'void main() {', + if ( denominator * distToPoint < 0 ) { - 'vec4 texture = texture2D( map, vUV );', + return true; - 'if ( texture.a < alphaTest ) discard;', + } - 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', + // ray origin is behind the plane (and is pointing behind it) - 'if ( fogType > 0 ) {', + return false; - 'float depth = gl_FragCoord.z / gl_FragCoord.w;', - 'float fogFactor = 0.0;', + }, - 'if ( fogType == 1 ) {', + intersectBox: function ( box, optionalTarget ) { - 'fogFactor = smoothstep( fogNear, fogFar, depth );', + var tmin, tmax, tymin, tymax, tzmin, tzmax; - '} else {', + var invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; - 'const float LOG2 = 1.442695;', - 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', - 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', + var origin = this.origin; - '}', + if ( invdirx >= 0 ) { - 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; - '}', + } else { - '}' + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; - ].join( '\n' ) ); + } - gl.compileShader( vertexShader ); - gl.compileShader( fragmentShader ); + if ( invdiry >= 0 ) { - gl.attachShader( program, vertexShader ); - gl.attachShader( program, fragmentShader ); + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; - gl.linkProgram( program ); + } else { - return program; + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; - } + } - function painterSortStable( a, b ) { + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; - if ( a.renderOrder !== b.renderOrder ) { + // These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN - return a.renderOrder - b.renderOrder; + if ( tymin > tmin || tmin !== tmin ) tmin = tymin; - } else if ( a.z !== b.z ) { + if ( tymax < tmax || tmax !== tmax ) tmax = tymax; - return b.z - a.z; + if ( invdirz >= 0 ) { + + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; } else { - return b.id - a.id; + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; } - } + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; - } + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; - function Material() { + //return point closest to the ray (positive side) - Object.defineProperty( this, 'id', { value: MaterialIdCount() } ); + if ( tmax < 0 ) return null; - this.uuid = _Math.generateUUID(); + return this.at( tmin >= 0 ? tmin : tmax, optionalTarget ); - this.name = ''; - this.type = 'Material'; + }, - this.fog = true; - this.lights = true; + intersectsBox: ( function () { - this.blending = NormalBlending; - this.side = FrontSide; - this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading - this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors + var v = new Vector3(); - this.opacity = 1; - this.transparent = false; + return function intersectsBox( box ) { - this.blendSrc = SrcAlphaFactor; - this.blendDst = OneMinusSrcAlphaFactor; - this.blendEquation = AddEquation; - this.blendSrcAlpha = null; - this.blendDstAlpha = null; - this.blendEquationAlpha = null; + return this.intersectBox( box, v ) !== null; - this.depthFunc = LessEqualDepth; - this.depthTest = true; - this.depthWrite = true; + }; - this.clippingPlanes = null; - this.clipIntersection = false; - this.clipShadows = false; + } )(), - this.colorWrite = true; + intersectTriangle: function () { - this.precision = null; // override the renderer's default precision for this material + // Compute the offset origin, edges, and normal. + var diff = new Vector3(); + var edge1 = new Vector3(); + var edge2 = new Vector3(); + var normal = new Vector3(); - this.polygonOffset = false; - this.polygonOffsetFactor = 0; - this.polygonOffsetUnits = 0; + return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { - this.alphaTest = 0; - this.premultipliedAlpha = false; + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h - this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer + edge1.subVectors( b, a ); + edge2.subVectors( c, a ); + normal.crossVectors( edge1, edge2 ); - this.visible = true; + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + var DdN = this.direction.dot( normal ); + var sign; - this._needsUpdate = true; + if ( DdN > 0 ) { - } + if ( backfaceCulling ) return null; + sign = 1; - Material.prototype = { + } else if ( DdN < 0 ) { - constructor: Material, + sign = - 1; + DdN = - DdN; - isMaterial: true, + } else { - get needsUpdate() { - - return this._needsUpdate; - - }, - - set needsUpdate( value ) { + return null; - if ( value === true ) this.update(); - this._needsUpdate = value; + } - }, + diff.subVectors( this.origin, a ); + var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) ); - setValues: function ( values ) { + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { - if ( values === undefined ) return; + return null; - for ( var key in values ) { + } - var newValue = values[ key ]; + var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) ); - if ( newValue === undefined ) { + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { - console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); - continue; + return null; } - var currentValue = this[ key ]; - - if ( currentValue === undefined ) { + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { - console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); - continue; + return null; } - if ( (currentValue && currentValue.isColor) ) { + // Line intersects triangle, check if ray does. + var QdN = - sign * diff.dot( normal ); - currentValue.set( newValue ); + // t < 0, no intersection + if ( QdN < 0 ) { - } else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) { + return null; - currentValue.copy( newValue ); + } - } else if ( key === 'overdraw' ) { + // Ray intersects triangle. + return this.at( QdN / DdN, optionalTarget ); - // ensure overdraw is backwards-compatible with legacy boolean type - this[ key ] = Number( newValue ); + }; - } else { + }(), - this[ key ] = newValue; + applyMatrix4: function ( matrix4 ) { - } + this.direction.add( this.origin ).applyMatrix4( matrix4 ); + this.origin.applyMatrix4( matrix4 ); + this.direction.sub( this.origin ); + this.direction.normalize(); - } + return this; }, - toJSON: function ( meta ) { + equals: function ( ray ) { - var isRoot = meta === undefined; + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); - if ( isRoot ) { + } - meta = { - textures: {}, - images: {} - }; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ - var data = { - metadata: { - version: 4.4, - type: 'Material', - generator: 'Material.toJSON' - } - }; + function Euler( x, y, z, order ) { - // standard Material serialization - data.uuid = this.uuid; - data.type = this.type; + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._order = order || Euler.DefaultOrder; - if ( this.name !== '' ) data.name = this.name; + } - if ( (this.color && this.color.isColor) ) data.color = this.color.getHex(); + Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; - if ( this.roughness !== undefined ) data.roughness = this.roughness; - if ( this.metalness !== undefined ) data.metalness = this.metalness; + Euler.DefaultOrder = 'XYZ'; - if ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex(); - if ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex(); - if ( this.shininess !== undefined ) data.shininess = this.shininess; + Euler.prototype = { - if ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid; - if ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; - if ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid; - if ( (this.bumpMap && this.bumpMap.isTexture) ) { + constructor: Euler, - data.bumpMap = this.bumpMap.toJSON( meta ).uuid; - data.bumpScale = this.bumpScale; + isEuler: true, - } - if ( (this.normalMap && this.normalMap.isTexture) ) { + get x () { - data.normalMap = this.normalMap.toJSON( meta ).uuid; - data.normalScale = this.normalScale.toArray(); + return this._x; - } - if ( (this.displacementMap && this.displacementMap.isTexture) ) { + }, - data.displacementMap = this.displacementMap.toJSON( meta ).uuid; - data.displacementScale = this.displacementScale; - data.displacementBias = this.displacementBias; + set x ( value ) { - } - if ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; - if ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + this._x = value; + this.onChangeCallback(); - if ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; - if ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + }, - if ( (this.envMap && this.envMap.isTexture) ) { + get y () { - data.envMap = this.envMap.toJSON( meta ).uuid; - data.reflectivity = this.reflectivity; // Scale behind envMap + return this._y; - } + }, - if ( this.size !== undefined ) data.size = this.size; - if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + set y ( value ) { - if ( this.blending !== NormalBlending ) data.blending = this.blending; - if ( this.shading !== SmoothShading ) data.shading = this.shading; - if ( this.side !== FrontSide ) data.side = this.side; - if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; + this._y = value; + this.onChangeCallback(); - if ( this.opacity < 1 ) data.opacity = this.opacity; - if ( this.transparent === true ) data.transparent = this.transparent; + }, - data.depthFunc = this.depthFunc; - data.depthTest = this.depthTest; - data.depthWrite = this.depthWrite; + get z () { - if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; - if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; - if ( this.wireframe === true ) data.wireframe = this.wireframe; - if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; - if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; - if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + return this._z; - data.skinning = this.skinning; - data.morphTargets = this.morphTargets; + }, - // TODO: Copied from Object3D.toJSON + set z ( value ) { - function extractFromCache( cache ) { + this._z = value; + this.onChangeCallback(); - var values = []; + }, - for ( var key in cache ) { + get order () { - var data = cache[ key ]; - delete data.metadata; - values.push( data ); + return this._order; - } + }, - return values; + set order ( value ) { - } + this._order = value; + this.onChangeCallback(); - if ( isRoot ) { + }, - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); + set: function ( x, y, z, order ) { - if ( textures.length > 0 ) data.textures = textures; - if ( images.length > 0 ) data.images = images; + this._x = x; + this._y = y; + this._z = z; + this._order = order || this._order; - } + this.onChangeCallback(); - return data; + return this; }, clone: function () { - return new this.constructor().copy( this ); + return new this.constructor( this._x, this._y, this._z, this._order ); }, - copy: function ( source ) { + copy: function ( euler ) { - this.name = source.name; + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; - this.fog = source.fog; - this.lights = source.lights; + this.onChangeCallback(); - this.blending = source.blending; - this.side = source.side; - this.shading = source.shading; - this.vertexColors = source.vertexColors; + return this; - this.opacity = source.opacity; - this.transparent = source.transparent; + }, - this.blendSrc = source.blendSrc; - this.blendDst = source.blendDst; - this.blendEquation = source.blendEquation; - this.blendSrcAlpha = source.blendSrcAlpha; - this.blendDstAlpha = source.blendDstAlpha; - this.blendEquationAlpha = source.blendEquationAlpha; + setFromRotationMatrix: function ( m, order, update ) { - this.depthFunc = source.depthFunc; - this.depthTest = source.depthTest; - this.depthWrite = source.depthWrite; + var clamp = _Math.clamp; - this.colorWrite = source.colorWrite; + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - this.precision = source.precision; + var te = m.elements; + var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - this.polygonOffset = source.polygonOffset; - this.polygonOffsetFactor = source.polygonOffsetFactor; - this.polygonOffsetUnits = source.polygonOffsetUnits; + order = order || this._order; - this.alphaTest = source.alphaTest; + if ( order === 'XYZ' ) { - this.premultipliedAlpha = source.premultipliedAlpha; + this._y = Math.asin( clamp( m13, - 1, 1 ) ); - this.overdraw = source.overdraw; + if ( Math.abs( m13 ) < 0.99999 ) { - this.visible = source.visible; - this.clipShadows = source.clipShadows; - this.clipIntersection = source.clipIntersection; + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); - var srcPlanes = source.clippingPlanes, - dstPlanes = null; + } else { - if ( srcPlanes !== null ) { + this._x = Math.atan2( m32, m22 ); + this._z = 0; - var n = srcPlanes.length; - dstPlanes = new Array( n ); + } - for ( var i = 0; i !== n; ++ i ) - dstPlanes[ i ] = srcPlanes[ i ].clone(); + } else if ( order === 'YXZ' ) { - } + this._x = Math.asin( - clamp( m23, - 1, 1 ) ); - this.clippingPlanes = dstPlanes; + if ( Math.abs( m23 ) < 0.99999 ) { - return this; + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); - }, + } else { - update: function () { + this._y = Math.atan2( - m31, m11 ); + this._z = 0; - this.dispatchEvent( { type: 'update' } ); + } - }, + } else if ( order === 'ZXY' ) { - dispose: function () { + this._x = Math.asin( clamp( m32, - 1, 1 ) ); - this.dispatchEvent( { type: 'dispose' } ); + if ( Math.abs( m32 ) < 0.99999 ) { - } + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); - }; + } else { - Object.assign( Material.prototype, EventDispatcher.prototype ); + this._y = 0; + this._z = Math.atan2( m21, m11 ); - var count$1 = 0; - function MaterialIdCount() { return count$1++; } + } - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * defines: { "label" : "value" }, - * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, - * - * fragmentShader: , - * vertexShader: , - * - * wireframe: , - * wireframeLinewidth: , - * - * lights: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ + } else if ( order === 'ZYX' ) { - function ShaderMaterial( parameters ) { + this._y = Math.asin( - clamp( m31, - 1, 1 ) ); - Material.call( this ); + if ( Math.abs( m31 ) < 0.99999 ) { - this.type = 'ShaderMaterial'; + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); - this.defines = {}; - this.uniforms = {}; + } else { - this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; - this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; + this._x = 0; + this._z = Math.atan2( - m12, m22 ); - this.linewidth = 1; + } - this.wireframe = false; - this.wireframeLinewidth = 1; + } else if ( order === 'YZX' ) { - this.fog = false; // set to use scene fog - this.lights = false; // set to use scene lights - this.clipping = false; // set to use user-defined clipping planes + this._z = Math.asin( clamp( m21, - 1, 1 ) ); - this.skinning = false; // set to use skinning attribute streams - this.morphTargets = false; // set to use morph targets - this.morphNormals = false; // set to use morph normals + if ( Math.abs( m21 ) < 0.99999 ) { - this.extensions = { - derivatives: false, // set to use derivatives - fragDepth: false, // set to use fragment depth values - drawBuffers: false, // set to use draw buffers - shaderTextureLOD: false // set to use shader texture LOD - }; + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); - // When rendered geometry doesn't include these attributes but the material does, - // use these default values in WebGL. This avoids errors when buffer data is missing. - this.defaultAttributeValues = { - 'color': [ 1, 1, 1 ], - 'uv': [ 0, 0 ], - 'uv2': [ 0, 0 ] - }; + } else { - this.index0AttributeName = undefined; + this._x = 0; + this._y = Math.atan2( m13, m33 ); - if ( parameters !== undefined ) { + } - if ( parameters.attributes !== undefined ) { + } else if ( order === 'XZY' ) { - console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); + this._z = Math.asin( - clamp( m12, - 1, 1 ) ); - } + if ( Math.abs( m12 ) < 0.99999 ) { - this.setValues( parameters ); + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); - } + } else { - } + this._x = Math.atan2( - m23, m33 ); + this._y = 0; - ShaderMaterial.prototype = Object.create( Material.prototype ); - ShaderMaterial.prototype.constructor = ShaderMaterial; + } - ShaderMaterial.prototype.isShaderMaterial = true; + } else { - ShaderMaterial.prototype.copy = function ( source ) { + console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); - Material.prototype.copy.call( this, source ); + } - this.fragmentShader = source.fragmentShader; - this.vertexShader = source.vertexShader; + this._order = order; - this.uniforms = UniformsUtils.clone( source.uniforms ); + if ( update !== false ) this.onChangeCallback(); - this.defines = source.defines; + return this; - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + }, - this.lights = source.lights; - this.clipping = source.clipping; + setFromQuaternion: function () { - this.skinning = source.skinning; + var matrix; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + return function setFromQuaternion( q, order, update ) { - this.extensions = source.extensions; + if ( matrix === undefined ) matrix = new Matrix4(); - return this; + matrix.makeRotationFromQuaternion( q ); - }; + return this.setFromRotationMatrix( matrix, order, update ); - ShaderMaterial.prototype.toJSON = function ( meta ) { + }; - var data = Material.prototype.toJSON.call( this, meta ); + }(), - data.uniforms = this.uniforms; - data.vertexShader = this.vertexShader; - data.fragmentShader = this.fragmentShader; + setFromVector3: function ( v, order ) { - return data; + return this.set( v.x, v.y, v.z, order || this._order ); - }; + }, - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author bhouston / https://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * - * opacity: , - * - * map: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * wireframe: , - * wireframeLinewidth: - * } - */ + reorder: function () { - function MeshDepthMaterial( parameters ) { + // WARNING: this discards revolution information -bhouston - Material.call( this ); + var q = new Quaternion(); - this.type = 'MeshDepthMaterial'; + return function reorder( newOrder ) { - this.depthPacking = BasicDepthPacking; + q.setFromEuler( this ); - this.skinning = false; - this.morphTargets = false; + return this.setFromQuaternion( q, newOrder ); - this.map = null; + }; - this.alphaMap = null; + }(), - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + equals: function ( euler ) { - this.wireframe = false; - this.wireframeLinewidth = 1; + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); - this.fog = false; - this.lights = false; + }, - this.setValues( parameters ); + fromArray: function ( array ) { - } + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; - MeshDepthMaterial.prototype = Object.create( Material.prototype ); - MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; + this.onChangeCallback(); - MeshDepthMaterial.prototype.isMeshDepthMaterial = true; + return this; - MeshDepthMaterial.prototype.copy = function ( source ) { + }, - Material.prototype.copy.call( this, source ); + toArray: function ( array, offset ) { - this.depthPacking = source.depthPacking; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; - this.map = source.map; + return array; - this.alphaMap = source.alphaMap; + }, - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + toVector3: function ( optionalResult ) { - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + if ( optionalResult ) { - return this; + return optionalResult.set( this._x, this._y, this._z ); + + } else { + + return new Vector3( this._x, this._y, this._z ); + + } + + }, + + onChange: function ( callback ) { + + this.onChangeCallback = callback; + + return this; + + }, + + onChangeCallback: function () {} }; /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley + * @author mrdoob / http://mrdoob.com/ */ - function Box3( min, max ) { + function Layers() { - this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); - this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); + this.mask = 1; } - Box3.prototype = { + Layers.prototype = { - constructor: Box3, + constructor: Layers, - isBox3: true, + set: function ( channel ) { - set: function ( min, max ) { + this.mask = 1 << channel; - this.min.copy( min ); - this.max.copy( max ); + }, - return this; + enable: function ( channel ) { + + this.mask |= 1 << channel; }, - setFromArray: function ( array ) { + toggle: function ( channel ) { - var minX = + Infinity; - var minY = + Infinity; - var minZ = + Infinity; + this.mask ^= 1 << channel; - var maxX = - Infinity; - var maxY = - Infinity; - var maxZ = - Infinity; + }, - for ( var i = 0, l = array.length; i < l; i += 3 ) { + disable: function ( channel ) { - var x = array[ i ]; - var y = array[ i + 1 ]; - var z = array[ i + 2 ]; + this.mask &= ~ ( 1 << channel ); - if ( x < minX ) minX = x; - if ( y < minY ) minY = y; - if ( z < minZ ) minZ = z; + }, - if ( x > maxX ) maxX = x; - if ( y > maxY ) maxY = y; - if ( z > maxZ ) maxZ = z; + test: function ( layers ) { - } + return ( this.mask & layers.mask ) !== 0; - this.min.set( minX, minY, minZ ); - this.max.set( maxX, maxY, maxZ ); + } - }, + }; - setFromPoints: function ( points ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author elephantatwork / www.elephantatwork.ch + */ - this.makeEmpty(); + function Object3D() { - for ( var i = 0, il = points.length; i < il; i ++ ) { + Object.defineProperty( this, 'id', { value: Object3DIdCount() } ); - this.expandByPoint( points[ i ] ); + this.uuid = _Math.generateUUID(); - } + this.name = ''; + this.type = 'Object3D'; - return this; + this.parent = null; + this.children = []; - }, + this.up = Object3D.DefaultUp.clone(); - setFromCenterAndSize: function () { + var position = new Vector3(); + var rotation = new Euler(); + var quaternion = new Quaternion(); + var scale = new Vector3( 1, 1, 1 ); - var v1 = new Vector3(); + function onRotationChange() { - return function setFromCenterAndSize( center, size ) { + quaternion.setFromEuler( rotation, false ); - var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + } - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); + function onQuaternionChange() { - return this; + rotation.setFromQuaternion( quaternion, undefined, false ); - }; + } - }(), + rotation.onChange( onRotationChange ); + quaternion.onChange( onQuaternionChange ); - setFromObject: function () { + Object.defineProperties( this, { + position: { + enumerable: true, + value: position + }, + rotation: { + enumerable: true, + value: rotation + }, + quaternion: { + enumerable: true, + value: quaternion + }, + scale: { + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); - // Computes the world-axis-aligned bounding box of an object (including its children), - // accounting for both the object's, and children's, world transforms + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); - var v1 = new Vector3(); + this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; + this.matrixWorldNeedsUpdate = false; - return function setFromObject( object ) { + this.layers = new Layers(); + this.visible = true; - var scope = this; + this.castShadow = false; + this.receiveShadow = false; - object.updateMatrixWorld( true ); + this.frustumCulled = true; + this.renderOrder = 0; - this.makeEmpty(); + this.userData = {}; - object.traverse( function ( node ) { + this.onBeforeRender = function(){}; + this.onAfterRender = function(){}; - var geometry = node.geometry; + } - if ( geometry !== undefined ) { + Object3D.DefaultUp = new Vector3( 0, 1, 0 ); + Object3D.DefaultMatrixAutoUpdate = true; - if ( (geometry && geometry.isGeometry) ) { + Object.assign( Object3D.prototype, EventDispatcher.prototype, { - var vertices = geometry.vertices; + isObject3D: true, - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + applyMatrix: function ( matrix ) { - v1.copy( vertices[ i ] ); - v1.applyMatrix4( node.matrixWorld ); + this.matrix.multiplyMatrices( matrix, this.matrix ); - scope.expandByPoint( v1 ); + this.matrix.decompose( this.position, this.quaternion, this.scale ); - } + }, - } else if ( (geometry && geometry.isBufferGeometry) ) { + setRotationFromAxisAngle: function ( axis, angle ) { - var attribute = geometry.attributes.position; + // assumes axis is normalized - if ( attribute !== undefined ) { + this.quaternion.setFromAxisAngle( axis, angle ); - var array, offset, stride; + }, - if ( (attribute && attribute.isInterleavedBufferAttribute) ) { + setRotationFromEuler: function ( euler ) { - array = attribute.data.array; - offset = attribute.offset; - stride = attribute.data.stride; + this.quaternion.setFromEuler( euler, true ); - } else { + }, - array = attribute.array; - offset = 0; - stride = 3; + setRotationFromMatrix: function ( m ) { - } + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - for ( var i = offset, il = array.length; i < il; i += stride ) { + this.quaternion.setFromRotationMatrix( m ); - v1.fromArray( array, i ); - v1.applyMatrix4( node.matrixWorld ); + }, - scope.expandByPoint( v1 ); + setRotationFromQuaternion: function ( q ) { - } + // assumes q is normalized - } + this.quaternion.copy( q ); - } + }, - } + rotateOnAxis: function () { - } ); + // rotate object on axis in object space + // axis is assumed to be normalized + + var q1 = new Quaternion(); + + return function rotateOnAxis( axis, angle ) { + + q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( q1 ); return this; @@ -12676,1029 +10977,1014 @@ }(), - clone: function () { + rotateX: function () { - return new this.constructor().copy( this ); + var v1 = new Vector3( 1, 0, 0 ); - }, + return function rotateX( angle ) { - copy: function ( box ) { + return this.rotateOnAxis( v1, angle ); - this.min.copy( box.min ); - this.max.copy( box.max ); + }; - return this; + }(), - }, + rotateY: function () { - makeEmpty: function () { + var v1 = new Vector3( 0, 1, 0 ); - this.min.x = this.min.y = this.min.z = + Infinity; - this.max.x = this.max.y = this.max.z = - Infinity; + return function rotateY( angle ) { - return this; + return this.rotateOnAxis( v1, angle ); - }, + }; - isEmpty: function () { + }(), - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + rotateZ: function () { - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + var v1 = new Vector3( 0, 0, 1 ); - }, + return function rotateZ( angle ) { - getCenter: function ( optionalTarget ) { + return this.rotateOnAxis( v1, angle ); - var result = optionalTarget || new Vector3(); - return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + }; - }, + }(), - getSize: function ( optionalTarget ) { + translateOnAxis: function () { - var result = optionalTarget || new Vector3(); - return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min ); + // translate object by distance along axis in object space + // axis is assumed to be normalized - }, + var v1 = new Vector3(); - expandByPoint: function ( point ) { + return function translateOnAxis( axis, distance ) { - this.min.min( point ); - this.max.max( point ); + v1.copy( axis ).applyQuaternion( this.quaternion ); - return this; + this.position.add( v1.multiplyScalar( distance ) ); - }, + return this; - expandByVector: function ( vector ) { + }; - this.min.sub( vector ); - this.max.add( vector ); + }(), - return this; + translateX: function () { - }, + var v1 = new Vector3( 1, 0, 0 ); - expandByScalar: function ( scalar ) { + return function translateX( distance ) { - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); + return this.translateOnAxis( v1, distance ); - return this; + }; - }, + }(), - containsPoint: function ( point ) { + translateY: function () { - if ( point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y || - point.z < this.min.z || point.z > this.max.z ) { + var v1 = new Vector3( 0, 1, 0 ); - return false; + return function translateY( distance ) { - } + return this.translateOnAxis( v1, distance ); - return true; + }; - }, + }(), - containsBox: function ( box ) { + translateZ: function () { - if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && - ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) && - ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) { + var v1 = new Vector3( 0, 0, 1 ); - return true; + return function translateZ( distance ) { - } + return this.translateOnAxis( v1, distance ); - return false; + }; + + }(), + + localToWorld: function ( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); }, - getParameter: function ( point, optionalTarget ) { + worldToLocal: function () { - // This can potentially have a divide by zero if the box - // has a size dimension of 0. + var m1 = new Matrix4(); - var result = optionalTarget || new Vector3(); + return function worldToLocal( vector ) { - return result.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ), - ( point.z - this.min.z ) / ( this.max.z - this.min.z ) - ); + return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); - }, + }; - intersectsBox: function ( box ) { + }(), - // using 6 splitting planes to rule out intersections. + lookAt: function () { - if ( box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y || - box.max.z < this.min.z || box.min.z > this.max.z ) { + // This routine does not support objects with rotated and/or translated parent(s) - return false; + var m1 = new Matrix4(); - } + return function lookAt( vector ) { - return true; + m1.lookAt( vector, this.position, this.up ); - }, + this.quaternion.setFromRotationMatrix( m1 ); - intersectsSphere: ( function () { + }; - var closestPoint; + }(), - return function intersectsSphere( sphere ) { + add: function ( object ) { - if ( closestPoint === undefined ) closestPoint = new Vector3(); + if ( arguments.length > 1 ) { - // Find the point on the AABB closest to the sphere center. - this.clampPoint( sphere.center, closestPoint ); + for ( var i = 0; i < arguments.length; i ++ ) { - // If that point is inside the sphere, the AABB and sphere intersect. - return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + this.add( arguments[ i ] ); - }; + } - } )(), + return this; - intersectsPlane: function ( plane ) { + } - // We compute the minimum and maximum dot product values. If those values - // are on the same side (back or front) of the plane, then there is no intersection. + if ( object === this ) { - var min, max; + console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); + return this; - if ( plane.normal.x > 0 ) { + } - min = plane.normal.x * this.min.x; - max = plane.normal.x * this.max.x; + if ( (object && object.isObject3D) ) { - } else { + if ( object.parent !== null ) { - min = plane.normal.x * this.max.x; - max = plane.normal.x * this.min.x; + object.parent.remove( object ); - } + } - if ( plane.normal.y > 0 ) { + object.parent = this; + object.dispatchEvent( { type: 'added' } ); - min += plane.normal.y * this.min.y; - max += plane.normal.y * this.max.y; + this.children.push( object ); } else { - min += plane.normal.y * this.max.y; - max += plane.normal.y * this.min.y; + console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); } - if ( plane.normal.z > 0 ) { + return this; - min += plane.normal.z * this.min.z; - max += plane.normal.z * this.max.z; + }, - } else { + remove: function ( object ) { - min += plane.normal.z * this.max.z; - max += plane.normal.z * this.min.z; + if ( arguments.length > 1 ) { - } + for ( var i = 0; i < arguments.length; i ++ ) { - return ( min <= plane.constant && max >= plane.constant ); + this.remove( arguments[ i ] ); - }, + } - clampPoint: function ( point, optionalTarget ) { + } - var result = optionalTarget || new Vector3(); - return result.copy( point ).clamp( this.min, this.max ); + var index = this.children.indexOf( object ); - }, + if ( index !== - 1 ) { - distanceToPoint: function () { + object.parent = null; - var v1 = new Vector3(); + object.dispatchEvent( { type: 'removed' } ); - return function distanceToPoint( point ) { + this.children.splice( index, 1 ); - var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); - return clampedPoint.sub( point ).length(); + } - }; + }, - }(), + getObjectById: function ( id ) { - getBoundingSphere: function () { + return this.getObjectByProperty( 'id', id ); - var v1 = new Vector3(); + }, - return function getBoundingSphere( optionalTarget ) { + getObjectByName: function ( name ) { - var result = optionalTarget || new Sphere(); + return this.getObjectByProperty( 'name', name ); - this.getCenter( result.center ); + }, - result.radius = this.getSize( v1 ).length() * 0.5; + getObjectByProperty: function ( name, value ) { - return result; + if ( this[ name ] === value ) return this; - }; + for ( var i = 0, l = this.children.length; i < l; i ++ ) { - }(), + var child = this.children[ i ]; + var object = child.getObjectByProperty( name, value ); - intersect: function ( box ) { + if ( object !== undefined ) { - this.min.max( box.min ); - this.max.min( box.max ); + return object; - // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. - if( this.isEmpty() ) this.makeEmpty(); + } - return this; + } + + return undefined; }, - union: function ( box ) { + getWorldPosition: function ( optionalTarget ) { - this.min.min( box.min ); - this.max.max( box.max ); + var result = optionalTarget || new Vector3(); - return this; + this.updateMatrixWorld( true ); + + return result.setFromMatrixPosition( this.matrixWorld ); }, - applyMatrix4: function () { + getWorldQuaternion: function () { - var points = [ - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3() - ]; + var position = new Vector3(); + var scale = new Vector3(); - return function applyMatrix4( matrix ) { + return function getWorldQuaternion( optionalTarget ) { - // transform of empty box is an empty box. - if( this.isEmpty() ) return this; + var result = optionalTarget || new Quaternion(); - // NOTE: I am using a binary pattern to specify all 2^3 combinations below - points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 - points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 - points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 - points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 - points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 - points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 - points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 - points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + this.updateMatrixWorld( true ); - this.setFromPoints( points ); + this.matrixWorld.decompose( position, result, scale ); - return this; + return result; }; }(), - translate: function ( offset ) { - - this.min.add( offset ); - this.max.add( offset ); + getWorldRotation: function () { - return this; + var quaternion = new Quaternion(); - }, + return function getWorldRotation( optionalTarget ) { - equals: function ( box ) { + var result = optionalTarget || new Euler(); - return box.min.equals( this.min ) && box.max.equals( this.max ); + this.getWorldQuaternion( quaternion ); - } + return result.setFromQuaternion( quaternion, this.rotation.order, false ); - }; + }; - /** - * @author bhouston / http://clara.io - * @author mrdoob / http://mrdoob.com/ - */ + }(), - function Sphere( center, radius ) { + getWorldScale: function () { - this.center = ( center !== undefined ) ? center : new Vector3(); - this.radius = ( radius !== undefined ) ? radius : 0; + var position = new Vector3(); + var quaternion = new Quaternion(); - } + return function getWorldScale( optionalTarget ) { - Sphere.prototype = { + var result = optionalTarget || new Vector3(); - constructor: Sphere, + this.updateMatrixWorld( true ); - set: function ( center, radius ) { + this.matrixWorld.decompose( position, quaternion, result ); - this.center.copy( center ); - this.radius = radius; + return result; - return this; + }; - }, + }(), - setFromPoints: function () { + getWorldDirection: function () { - var box = new Box3(); + var quaternion = new Quaternion(); - return function setFromPoints( points, optionalCenter ) { + return function getWorldDirection( optionalTarget ) { - var center = this.center; + var result = optionalTarget || new Vector3(); - if ( optionalCenter !== undefined ) { + this.getWorldQuaternion( quaternion ); - center.copy( optionalCenter ); + return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); - } else { + }; - box.setFromPoints( points ).getCenter( center ); + }(), - } + raycast: function () {}, - var maxRadiusSq = 0; + traverse: function ( callback ) { - for ( var i = 0, il = points.length; i < il; i ++ ) { + callback( this ); - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + var children = this.children; - } + for ( var i = 0, l = children.length; i < l; i ++ ) { - this.radius = Math.sqrt( maxRadiusSq ); + children[ i ].traverse( callback ); - return this; + } - }; + }, - }(), + traverseVisible: function ( callback ) { - clone: function () { + if ( this.visible === false ) return; - return new this.constructor().copy( this ); + callback( this ); - }, + var children = this.children; - copy: function ( sphere ) { + for ( var i = 0, l = children.length; i < l; i ++ ) { - this.center.copy( sphere.center ); - this.radius = sphere.radius; + children[ i ].traverseVisible( callback ); - return this; + } }, - empty: function () { + traverseAncestors: function ( callback ) { - return ( this.radius <= 0 ); + var parent = this.parent; - }, + if ( parent !== null ) { - containsPoint: function ( point ) { + callback( parent ); - return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + parent.traverseAncestors( callback ); + + } }, - distanceToPoint: function ( point ) { + updateMatrix: function () { - return ( point.distanceTo( this.center ) - this.radius ); + this.matrix.compose( this.position, this.quaternion, this.scale ); + + this.matrixWorldNeedsUpdate = true; }, - intersectsSphere: function ( sphere ) { + updateMatrixWorld: function ( force ) { - var radiusSum = this.radius + sphere.radius; + if ( this.matrixAutoUpdate === true ) this.updateMatrix(); - return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + if ( this.matrixWorldNeedsUpdate === true || force === true ) { - }, + if ( this.parent === null ) { - intersectsBox: function ( box ) { + this.matrixWorld.copy( this.matrix ); - return box.intersectsSphere( this ); + } else { - }, + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); - intersectsPlane: function ( plane ) { + } - // We use the following equation to compute the signed distance from - // the center of the sphere to the plane. - // - // distance = q * n - d - // - // If this distance is greater than the radius of the sphere, - // then there is no intersection. + this.matrixWorldNeedsUpdate = false; - return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; + force = true; - }, + } - clampPoint: function ( point, optionalTarget ) { + // update children - var deltaLengthSq = this.center.distanceToSquared( point ); + var children = this.children; - var result = optionalTarget || new Vector3(); + for ( var i = 0, l = children.length; i < l; i ++ ) { - result.copy( point ); + children[ i ].updateMatrixWorld( force ); - if ( deltaLengthSq > ( this.radius * this.radius ) ) { + } - result.sub( this.center ).normalize(); - result.multiplyScalar( this.radius ).add( this.center ); + }, - } + toJSON: function ( meta ) { - return result; + // meta is '' when called from JSON.stringify + var isRootObject = ( meta === undefined || meta === '' ); - }, + var output = {}; - getBoundingBox: function ( optionalTarget ) { + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { - var box = optionalTarget || new Box3(); + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {} + }; - box.set( this.center, this.center ); - box.expandByScalar( this.radius ); + output.metadata = { + version: 4.4, + type: 'Object', + generator: 'Object3D.toJSON' + }; - return box; + } - }, + // standard Object3D serialization - applyMatrix4: function ( matrix ) { + var object = {}; - this.center.applyMatrix4( matrix ); - this.radius = this.radius * matrix.getMaxScaleOnAxis(); + object.uuid = this.uuid; + object.type = this.type; - return this; + if ( this.name !== '' ) object.name = this.name; + if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; - }, + object.matrix = this.matrix.toArray(); - translate: function ( offset ) { + // - this.center.add( offset ); + if ( this.geometry !== undefined ) { - return this; + if ( meta.geometries[ this.geometry.uuid ] === undefined ) { - }, + meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); - equals: function ( sphere ) { + } - return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + object.geometry = this.geometry.uuid; - } + } - }; + if ( this.material !== undefined ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - * @author tschw - */ + if ( meta.materials[ this.material.uuid ] === undefined ) { - function Matrix3() { + meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); - this.elements = new Float32Array( [ + } - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 + object.material = this.material.uuid; - ] ); + } - if ( arguments.length > 0 ) { + // - console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); + if ( this.children.length > 0 ) { - } + object.children = []; - } + for ( var i = 0; i < this.children.length; i ++ ) { - Matrix3.prototype = { + object.children.push( this.children[ i ].toJSON( meta ).object ); - constructor: Matrix3, + } - isMatrix3: true, + } - set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + if ( isRootObject ) { - var te = this.elements; + var geometries = extractFromCache( meta.geometries ); + var materials = extractFromCache( meta.materials ); + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); - te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; - te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; - te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; - return this; + } - }, + output.object = object; - identity: function () { + return output; - this.set( + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 + var values = []; + for ( var key in cache ) { - ); + var data = cache[ key ]; + delete data.metadata; + values.push( data ); - return this; + } + return values; + + } }, - clone: function () { + clone: function ( recursive ) { - return new this.constructor().fromArray( this.elements ); + return new this.constructor().copy( this, recursive ); }, - copy: function ( m ) { - - var me = m.elements; + copy: function ( source, recursive ) { - this.set( + if ( recursive === undefined ) recursive = true; - me[ 0 ], me[ 3 ], me[ 6 ], - me[ 1 ], me[ 4 ], me[ 7 ], - me[ 2 ], me[ 5 ], me[ 8 ] + this.name = source.name; - ); + this.up.copy( source.up ); - return this; + this.position.copy( source.position ); + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); - }, + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); - setFromMatrix4: function( m ) { + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; - var me = m.elements; + this.visible = source.visible; - this.set( + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; - me[ 0 ], me[ 4 ], me[ 8 ], - me[ 1 ], me[ 5 ], me[ 9 ], - me[ 2 ], me[ 6 ], me[ 10 ] + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; - ); + this.userData = JSON.parse( JSON.stringify( source.userData ) ); - return this; + if ( recursive === true ) { - }, + for ( var i = 0; i < source.children.length; i ++ ) { - applyToVector3Array: function () { + var child = source.children[ i ]; + this.add( child.clone() ); - var v1; + } - return function applyToVector3Array( array, offset, length ) { + } - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = array.length; + return this; - for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { + } - v1.fromArray( array, j ); - v1.applyMatrix3( this ); - v1.toArray( array, j ); + } ); - } + var count$2 = 0; + function Object3DIdCount() { return count$2++; } - return array; + /** + * @author bhouston / http://clara.io + */ - }; + function Line3( start, end ) { - }(), + this.start = ( start !== undefined ) ? start : new Vector3(); + this.end = ( end !== undefined ) ? end : new Vector3(); - applyToBuffer: function () { + } - var v1; + Line3.prototype = { - return function applyToBuffer( buffer, offset, length ) { + constructor: Line3, - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = buffer.length / buffer.itemSize; + set: function ( start, end ) { - for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + this.start.copy( start ); + this.end.copy( end ); - v1.x = buffer.getX( j ); - v1.y = buffer.getY( j ); - v1.z = buffer.getZ( j ); + return this; - v1.applyMatrix3( this ); + }, - buffer.setXYZ( j, v1.x, v1.y, v1.z ); + clone: function () { - } + return new this.constructor().copy( this ); - return buffer; + }, - }; + copy: function ( line ) { - }(), + this.start.copy( line.start ); + this.end.copy( line.end ); - multiplyScalar: function ( s ) { + return this; - var te = this.elements; + }, - te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; - te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; - te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + getCenter: function ( optionalTarget ) { - return this; + var result = optionalTarget || new Vector3(); + return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); }, - determinant: function () { + delta: function ( optionalTarget ) { - var te = this.elements; + var result = optionalTarget || new Vector3(); + return result.subVectors( this.end, this.start ); - var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], - d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], - g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + }, - return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + distanceSq: function () { + + return this.start.distanceToSquared( this.end ); }, - getInverse: function ( matrix, throwOnDegenerate ) { + distance: function () { - if ( (matrix && matrix.isMatrix4) ) { + return this.start.distanceTo( this.end ); - console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." ); + }, - } + at: function ( t, optionalTarget ) { - var me = matrix.elements, - te = this.elements, + var result = optionalTarget || new Vector3(); - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], - n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], - n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], + return this.delta( result ).multiplyScalar( t ).add( this.start ); - t11 = n33 * n22 - n32 * n23, - t12 = n32 * n13 - n33 * n12, - t13 = n23 * n12 - n22 * n13, + }, - det = n11 * t11 + n21 * t12 + n31 * t13; + closestPointToPointParameter: function () { - if ( det === 0 ) { + var startP = new Vector3(); + var startEnd = new Vector3(); - var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0"; + return function closestPointToPointParameter( point, clampToLine ) { - if ( throwOnDegenerate === true ) { + startP.subVectors( point, this.start ); + startEnd.subVectors( this.end, this.start ); - throw new Error( msg ); + var startEnd2 = startEnd.dot( startEnd ); + var startEnd_startP = startEnd.dot( startP ); - } else { + var t = startEnd_startP / startEnd2; - console.warn( msg ); + if ( clampToLine ) { + + t = _Math.clamp( t, 0, 1 ); } - return this.identity(); - } + return t; - var detInv = 1 / det; + }; - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; - te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + }(), - te[ 3 ] = t12 * detInv; - te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; - te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + closestPointToPoint: function ( point, clampToLine, optionalTarget ) { - te[ 6 ] = t13 * detInv; - te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; - te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + var t = this.closestPointToPointParameter( point, clampToLine ); - return this; + var result = optionalTarget || new Vector3(); - }, + return this.delta( result ).multiplyScalar( t ).add( this.start ); - transpose: function () { + }, - var tmp, m = this.elements; + applyMatrix4: function ( matrix ) { - tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; - tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; - tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); return this; }, - flattenToArrayOffset: function ( array, offset ) { + equals: function ( line ) { - console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + - "- just use .toArray instead." ); + return line.start.equals( this.start ) && line.end.equals( this.end ); - return this.toArray( array, offset ); + } - }, + }; - getNormalMatrix: function ( matrix4 ) { + /** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ - return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); + function Triangle( a, b, c ) { - }, + this.a = ( a !== undefined ) ? a : new Vector3(); + this.b = ( b !== undefined ) ? b : new Vector3(); + this.c = ( c !== undefined ) ? c : new Vector3(); - transposeIntoArray: function ( r ) { + } - var m = this.elements; + Triangle.normal = function () { - r[ 0 ] = m[ 0 ]; - r[ 1 ] = m[ 3 ]; - r[ 2 ] = m[ 6 ]; - r[ 3 ] = m[ 1 ]; - r[ 4 ] = m[ 4 ]; - r[ 5 ] = m[ 7 ]; - r[ 6 ] = m[ 2 ]; - r[ 7 ] = m[ 5 ]; - r[ 8 ] = m[ 8 ]; - - return this; + var v0 = new Vector3(); - }, + return function normal( a, b, c, optionalTarget ) { - fromArray: function ( array, offset ) { + var result = optionalTarget || new Vector3(); - if ( offset === undefined ) offset = 0; + result.subVectors( c, b ); + v0.subVectors( a, b ); + result.cross( v0 ); - for( var i = 0; i < 9; i ++ ) { + var resultLengthSq = result.lengthSq(); + if ( resultLengthSq > 0 ) { - this.elements[ i ] = array[ i + offset ]; + return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); } - return this; + return result.set( 0, 0, 0 ); - }, + }; - toArray: function ( array, offset ) { + }(); - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + Triangle.barycoordFromPoint = function () { - var te = this.elements; + var v0 = new Vector3(); + var v1 = new Vector3(); + var v2 = new Vector3(); - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; + return function barycoordFromPoint( point, a, b, c, optionalTarget ) { - array[ offset + 3 ] = te[ 3 ]; - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; + v0.subVectors( c, a ); + v1.subVectors( b, a ); + v2.subVectors( point, a ); - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; - array[ offset + 8 ] = te[ 8 ]; + var dot00 = v0.dot( v0 ); + var dot01 = v0.dot( v1 ); + var dot02 = v0.dot( v2 ); + var dot11 = v1.dot( v1 ); + var dot12 = v1.dot( v2 ); - return array; + var denom = ( dot00 * dot11 - dot01 * dot01 ); - } + var result = optionalTarget || new Vector3(); - }; + // collinear or singular triangle + if ( denom === 0 ) { - /** - * @author bhouston / http://clara.io - */ + // arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return result.set( - 2, - 1, - 1 ); - function Plane( normal, constant ) { + } - this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); - this.constant = ( constant !== undefined ) ? constant : 0; + var invDenom = 1 / denom; + var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; - } + // barycentric coordinates must always sum to 1 + return result.set( 1 - u - v, v, u ); - Plane.prototype = { + }; - constructor: Plane, + }(); - set: function ( normal, constant ) { + Triangle.containsPoint = function () { - this.normal.copy( normal ); - this.constant = constant; + var v1 = new Vector3(); + + return function containsPoint( point, a, b, c ) { + + var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); + + return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); + + }; + + }(); + + Triangle.prototype = { + + constructor: Triangle, + + set: function ( a, b, c ) { + + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); return this; }, - setComponents: function ( x, y, z, w ) { + setFromPointsAndIndices: function ( points, i0, i1, i2 ) { - this.normal.set( x, y, z ); - this.constant = w; + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); return this; }, - setFromNormalAndCoplanarPoint: function ( normal, point ) { + clone: function () { - this.normal.copy( normal ); - this.constant = - point.dot( this.normal ); // must be this.normal, not normal, as this.normal is normalized + return new this.constructor().copy( this ); + + }, + + copy: function ( triangle ) { + + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); return this; }, - setFromCoplanarPoints: function () { + area: function () { + var v0 = new Vector3(); var v1 = new Vector3(); - var v2 = new Vector3(); - - return function setFromCoplanarPoints( a, b, c ) { - - var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize(); - // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + return function area() { - this.setFromNormalAndCoplanarPoint( normal, a ); + v0.subVectors( this.c, this.b ); + v1.subVectors( this.a, this.b ); - return this; + return v0.cross( v1 ).length() * 0.5; }; }(), - clone: function () { + midpoint: function ( optionalTarget ) { - return new this.constructor().copy( this ); + var result = optionalTarget || new Vector3(); + return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); }, - copy: function ( plane ) { - - this.normal.copy( plane.normal ); - this.constant = plane.constant; + normal: function ( optionalTarget ) { - return this; + return Triangle.normal( this.a, this.b, this.c, optionalTarget ); }, - normalize: function () { - - // Note: will lead to a divide by zero if the plane is invalid. + plane: function ( optionalTarget ) { - var inverseNormalLength = 1.0 / this.normal.length(); - this.normal.multiplyScalar( inverseNormalLength ); - this.constant *= inverseNormalLength; + var result = optionalTarget || new Plane(); - return this; + return result.setFromCoplanarPoints( this.a, this.b, this.c ); }, - negate: function () { - - this.constant *= - 1; - this.normal.negate(); + barycoordFromPoint: function ( point, optionalTarget ) { - return this; + return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); }, - distanceToPoint: function ( point ) { + containsPoint: function ( point ) { - return this.normal.dot( point ) + this.constant; + return Triangle.containsPoint( point, this.a, this.b, this.c ); }, - distanceToSphere: function ( sphere ) { - - return this.distanceToPoint( sphere.center ) - sphere.radius; + closestPointToPoint: function () { - }, + var plane, edgeList, projectedPoint, closestPoint; - projectPoint: function ( point, optionalTarget ) { + return function closestPointToPoint( point, optionalTarget ) { - return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); + if ( plane === undefined ) { - }, + plane = new Plane(); + edgeList = [ new Line3(), new Line3(), new Line3() ]; + projectedPoint = new Vector3(); + closestPoint = new Vector3(); - orthoPoint: function ( point, optionalTarget ) { + } - var perpendicularMagnitude = this.distanceToPoint( point ); + var result = optionalTarget || new Vector3(); + var minDistance = Infinity; - var result = optionalTarget || new Vector3(); - return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); + // project the point onto the plane of the triangle - }, + plane.setFromCoplanarPoints( this.a, this.b, this.c ); + plane.projectPoint( point, projectedPoint ); - intersectLine: function () { + // check if the projection lies within the triangle - var v1 = new Vector3(); + if( this.containsPoint( projectedPoint ) === true ) { - return function intersectLine( line, optionalTarget ) { + // if so, this is the closest point - var result = optionalTarget || new Vector3(); + result.copy( projectedPoint ); - var direction = line.delta( v1 ); + } else { - var denominator = this.normal.dot( direction ); + // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices - if ( denominator === 0 ) { + edgeList[ 0 ].set( this.a, this.b ); + edgeList[ 1 ].set( this.b, this.c ); + edgeList[ 2 ].set( this.c, this.a ); - // line is coplanar, return origin - if ( this.distanceToPoint( line.start ) === 0 ) { + for( var i = 0; i < edgeList.length; i ++ ) { - return result.copy( line.start ); + edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); - } + var distance = projectedPoint.distanceToSquared( closestPoint ); - // Unsure if this is the correct method to handle this case. - return undefined; + if( distance < minDistance ) { - } + minDistance = distance; - var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + result.copy( closestPoint ); - if ( t < 0 || t > 1 ) { + } - return undefined; + } } - return result.copy( direction ).multiplyScalar( t ).add( line.start ); + return result; }; }(), - intersectsLine: function ( line ) { - - // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. - - var startSign = this.distanceToPoint( line.start ); - var endSign = this.distanceToPoint( line.end ); + equals: function ( triangle ) { - return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); - }, + } - intersectsBox: function ( box ) { + }; - return box.intersectsPlane( this ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - }, + function Face3( a, b, c, normal, color, materialIndex ) { - intersectsSphere: function ( sphere ) { + this.a = a; + this.b = b; + this.c = c; - return sphere.intersectsPlane( this ); + this.normal = (normal && normal.isVector3) ? normal : new Vector3(); + this.vertexNormals = Array.isArray( normal ) ? normal : []; - }, + this.color = (color && color.isColor) ? color : new Color(); + this.vertexColors = Array.isArray( color ) ? color : []; - coplanarPoint: function ( optionalTarget ) { + this.materialIndex = materialIndex !== undefined ? materialIndex : 0; - var result = optionalTarget || new Vector3(); - return result.copy( this.normal ).multiplyScalar( - this.constant ); + } - }, + Face3.prototype = { - applyMatrix4: function () { + constructor: Face3, - var v1 = new Vector3(); - var m1 = new Matrix3(); + clone: function () { - return function applyMatrix4( matrix, optionalNormalMatrix ) { + return new this.constructor().copy( this ); - var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); + }, - // transform normal based on theory here: - // http://www.songho.ca/opengl/gl_normaltransform.html - var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); - var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + copy: function ( source ) { - // recalculate constant (like in setFromNormalAndCoplanarPoint) - this.constant = - referencePoint.dot( normal ); + this.a = source.a; + this.b = source.b; + this.c = source.c; - return this; + this.normal.copy( source.normal ); + this.color.copy( source.color ); - }; + this.materialIndex = source.materialIndex; - }(), + for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { - translate: function ( offset ) { + this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); - this.constant = this.constant - offset.dot( this.normal ); + } - return this; + for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { - }, + this.vertexColors[ i ] = source.vertexColors[ i ].clone(); - equals: function ( plane ) { + } - return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + return this; } @@ -13707,712 +11993,663 @@ /** * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ - * @author bhouston / http://clara.io + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * shading: THREE.SmoothShading, + * depthTest: , + * depthWrite: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: + * } */ - function Frustum( p0, p1, p2, p3, p4, p5 ) { + function MeshBasicMaterial( parameters ) { - this.planes = [ + Material.call( this ); - ( p0 !== undefined ) ? p0 : new Plane(), - ( p1 !== undefined ) ? p1 : new Plane(), - ( p2 !== undefined ) ? p2 : new Plane(), - ( p3 !== undefined ) ? p3 : new Plane(), - ( p4 !== undefined ) ? p4 : new Plane(), - ( p5 !== undefined ) ? p5 : new Plane() + this.type = 'MeshBasicMaterial'; - ]; + this.color = new Color( 0xffffff ); // emissive - } + this.map = null; - Frustum.prototype = { + this.aoMap = null; + this.aoMapIntensity = 1.0; - constructor: Frustum, + this.specularMap = null; - set: function ( p0, p1, p2, p3, p4, p5 ) { + this.alphaMap = null; - var planes = this.planes; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - planes[ 0 ].copy( p0 ); - planes[ 1 ].copy( p1 ); - planes[ 2 ].copy( p2 ); - planes[ 3 ].copy( p3 ); - planes[ 4 ].copy( p4 ); - planes[ 5 ].copy( p5 ); + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - return this; + this.skinning = false; + this.morphTargets = false; - }, + this.lights = false; - clone: function () { + this.setValues( parameters ); - return new this.constructor().copy( this ); + } - }, + MeshBasicMaterial.prototype = Object.create( Material.prototype ); + MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; - copy: function ( frustum ) { + MeshBasicMaterial.prototype.isMeshBasicMaterial = true; - var planes = this.planes; + MeshBasicMaterial.prototype.copy = function ( source ) { - for ( var i = 0; i < 6; i ++ ) { + Material.prototype.copy.call( this, source ); - planes[ i ].copy( frustum.planes[ i ] ); + this.color.copy( source.color ); - } + this.map = source.map; - return this; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - }, + this.specularMap = source.specularMap; - setFromMatrix: function ( m ) { + this.alphaMap = source.alphaMap; - var planes = this.planes; - var me = m.elements; - var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; - var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; - var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; - var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); - planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); - planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); - planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); - planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); - planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - return this; + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; - }, + return this; - intersectsObject: function () { + }; - var sphere = new Sphere(); + /** + * @author mrdoob / http://mrdoob.com/ + */ - return function intersectsObject( object ) { + function BufferAttribute( array, itemSize, normalized ) { - var geometry = object.geometry; + if ( Array.isArray( array ) ) { - if ( geometry.boundingSphere === null ) - geometry.computeBoundingSphere(); + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - sphere.copy( geometry.boundingSphere ) - .applyMatrix4( object.matrixWorld ); + } - return this.intersectsSphere( sphere ); + this.uuid = _Math.generateUUID(); - }; + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; - }(), + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; - intersectsSprite: function () { + this.version = 0; - var sphere = new Sphere(); + } - return function intersectsSprite( sprite ) { + BufferAttribute.prototype = { - sphere.center.set( 0, 0, 0 ); - sphere.radius = 0.7071067811865476; - sphere.applyMatrix4( sprite.matrixWorld ); + constructor: BufferAttribute, - return this.intersectsSphere( sphere ); + isBufferAttribute: true, - }; + set needsUpdate( value ) { - }(), + if ( value === true ) this.version ++; - intersectsSphere: function ( sphere ) { + }, - var planes = this.planes; - var center = sphere.center; - var negRadius = - sphere.radius; + setArray: function ( array ) { - for ( var i = 0; i < 6; i ++ ) { + if ( Array.isArray( array ) ) { - var distance = planes[ i ].distanceToPoint( center ); + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - if ( distance < negRadius ) { + } - return false; + this.count = array !== undefined ? array.length / this.itemSize : 0; + this.array = array; - } + }, - } + setDynamic: function ( value ) { - return true; + this.dynamic = value; + + return this; }, - intersectsBox: function () { + copy: function ( source ) { - var p1 = new Vector3(), - p2 = new Vector3(); + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; - return function intersectsBox( box ) { + this.dynamic = source.dynamic; - var planes = this.planes; + return this; - for ( var i = 0; i < 6 ; i ++ ) { + }, - var plane = planes[ i ]; + copyAt: function ( index1, attribute, index2 ) { - p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; - p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; - p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; - p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; - p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; - p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; + index1 *= this.itemSize; + index2 *= attribute.itemSize; - var d1 = plane.distanceToPoint( p1 ); - var d2 = plane.distanceToPoint( p2 ); + for ( var i = 0, l = this.itemSize; i < l; i ++ ) { - // if both outside plane, no intersection + this.array[ index1 + i ] = attribute.array[ index2 + i ]; - if ( d1 < 0 && d2 < 0 ) { + } - return false; + return this; - } + }, - } + copyArray: function ( array ) { - return true; + this.array.set( array ); - }; + return this; - }(), + }, + copyColorsArray: function ( colors ) { - containsPoint: function ( point ) { + var array = this.array, offset = 0; - var planes = this.planes; + for ( var i = 0, l = colors.length; i < l; i ++ ) { - for ( var i = 0; i < 6; i ++ ) { + var color = colors[ i ]; - if ( planes[ i ].distanceToPoint( point ) < 0 ) { + if ( color === undefined ) { - return false; + console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); + color = new Color(); } + array[ offset ++ ] = color.r; + array[ offset ++ ] = color.g; + array[ offset ++ ] = color.b; + } - return true; + return this; - } + }, - }; + copyIndicesArray: function ( indices ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + var array = this.array, offset = 0; - function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { + for ( var i = 0, l = indices.length; i < l; i ++ ) { - var _gl = _renderer.context, - _state = _renderer.state, - _frustum = new Frustum(), - _projScreenMatrix = new Matrix4(), + var index = indices[ i ]; - _lightShadows = _lights.shadows, + array[ offset ++ ] = index.a; + array[ offset ++ ] = index.b; + array[ offset ++ ] = index.c; - _shadowMapSize = new Vector2(), - _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), + } - _lookTarget = new Vector3(), - _lightPositionWorld = new Vector3(), + return this; - _renderList = [], + }, - _MorphingFlag = 1, - _SkinningFlag = 2, + copyVector2sArray: function ( vectors ) { - _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, + var array = this.array, offset = 0; - _depthMaterials = new Array( _NumberOfMaterialVariants ), - _distanceMaterials = new Array( _NumberOfMaterialVariants ), + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - _materialCache = {}; + var vector = vectors[ i ]; - var cubeDirections = [ - new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), - new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) - ]; + if ( vector === undefined ) { - var cubeUps = [ - new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), - new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) - ]; + console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); + vector = new Vector2(); - var cube2DViewPorts = [ - new Vector4(), new Vector4(), new Vector4(), - new Vector4(), new Vector4(), new Vector4() - ]; + } - // init + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; - var depthMaterialTemplate = new MeshDepthMaterial(); - depthMaterialTemplate.depthPacking = RGBADepthPacking; - depthMaterialTemplate.clipping = true; + } - var distanceShader = ShaderLib[ "distanceRGBA" ]; - var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); + return this; - for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { + }, - var useMorphing = ( i & _MorphingFlag ) !== 0; - var useSkinning = ( i & _SkinningFlag ) !== 0; + copyVector3sArray: function ( vectors ) { - var depthMaterial = depthMaterialTemplate.clone(); - depthMaterial.morphTargets = useMorphing; - depthMaterial.skinning = useSkinning; + var array = this.array, offset = 0; - _depthMaterials[ i ] = depthMaterial; + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - var distanceMaterial = new ShaderMaterial( { - defines: { - 'USE_SHADOWMAP': '' - }, - uniforms: distanceUniforms, - vertexShader: distanceShader.vertexShader, - fragmentShader: distanceShader.fragmentShader, - morphTargets: useMorphing, - skinning: useSkinning, - clipping: true - } ); + var vector = vectors[ i ]; - _distanceMaterials[ i ] = distanceMaterial; + if ( vector === undefined ) { - } + console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); + vector = new Vector3(); - // + } - var scope = this; + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; - this.enabled = false; + } - this.autoUpdate = true; - this.needsUpdate = false; + return this; - this.type = PCFShadowMap; + }, - this.renderReverseSided = true; - this.renderSingleSided = true; + copyVector4sArray: function ( vectors ) { - this.render = function ( scene, camera ) { + var array = this.array, offset = 0; - if ( scope.enabled === false ) return; - if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - if ( _lightShadows.length === 0 ) return; + var vector = vectors[ i ]; - // Set GL state for depth map. - _state.clearColor( 1, 1, 1, 1 ); - _state.disable( _gl.BLEND ); - _state.setDepthTest( true ); - _state.setScissorTest( false ); + if ( vector === undefined ) { - // render depth map + console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); + vector = new Vector4(); - var faceCount, isPointLight; + } - for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + array[ offset ++ ] = vector.w; - var light = _lightShadows[ i ]; - var shadow = light.shadow; + } - if ( shadow === undefined ) { + return this; - console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); - continue; + }, - } + set: function ( value, offset ) { - var shadowCamera = shadow.camera; + if ( offset === undefined ) offset = 0; - _shadowMapSize.copy( shadow.mapSize ); - _shadowMapSize.min( _maxShadowMapSize ); + this.array.set( value, offset ); - if ( (light && light.isPointLight) ) { + return this; - faceCount = 6; - isPointLight = true; + }, - var vpWidth = _shadowMapSize.x; - var vpHeight = _shadowMapSize.y; + getX: function ( index ) { - // These viewports map a cube-map onto a 2D texture with the - // following orientation: - // - // xzXZ - // y Y - // - // X - Positive x direction - // x - Negative x direction - // Y - Positive y direction - // y - Negative y direction - // Z - Positive z direction - // z - Negative z direction + return this.array[ index * this.itemSize ]; - // positive X - cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); - // negative X - cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); - // positive Z - cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); - // negative Z - cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); - // positive Y - cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); - // negative Y - cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); + }, - _shadowMapSize.x *= 4.0; - _shadowMapSize.y *= 2.0; + setX: function ( index, x ) { - } else { + this.array[ index * this.itemSize ] = x; - faceCount = 1; - isPointLight = false; + return this; - } + }, - if ( shadow.map === null ) { + getY: function ( index ) { - var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; + return this.array[ index * this.itemSize + 1 ]; - shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + }, - shadowCamera.updateProjectionMatrix(); + setY: function ( index, y ) { - } + this.array[ index * this.itemSize + 1 ] = y; - if ( (shadow && shadow.isSpotLightShadow) ) { + return this; - shadow.update( light ); + }, - } + getZ: function ( index ) { - var shadowMap = shadow.map; - var shadowMatrix = shadow.matrix; + return this.array[ index * this.itemSize + 2 ]; - _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); - shadowCamera.position.copy( _lightPositionWorld ); + }, - _renderer.setRenderTarget( shadowMap ); - _renderer.clear(); + setZ: function ( index, z ) { - // render shadow map for each cube face (if omni-directional) or - // run a single pass if not + this.array[ index * this.itemSize + 2 ] = z; - for ( var face = 0; face < faceCount; face ++ ) { + return this; - if ( isPointLight ) { + }, - _lookTarget.copy( shadowCamera.position ); - _lookTarget.add( cubeDirections[ face ] ); - shadowCamera.up.copy( cubeUps[ face ] ); - shadowCamera.lookAt( _lookTarget ); + getW: function ( index ) { - var vpDimensions = cube2DViewPorts[ face ]; - _state.viewport( vpDimensions ); + return this.array[ index * this.itemSize + 3 ]; - } else { + }, - _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); - shadowCamera.lookAt( _lookTarget ); + setW: function ( index, w ) { - } + this.array[ index * this.itemSize + 3 ] = w; - shadowCamera.updateMatrixWorld(); - shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); + return this; - // compute shadow matrix + }, - shadowMatrix.set( - 0.5, 0.0, 0.0, 0.5, - 0.0, 0.5, 0.0, 0.5, - 0.0, 0.0, 0.5, 0.5, - 0.0, 0.0, 0.0, 1.0 - ); + setXY: function ( index, x, y ) { - shadowMatrix.multiply( shadowCamera.projectionMatrix ); - shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); + index *= this.itemSize; - // update camera matrices and frustum + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; - _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); - _frustum.setFromMatrix( _projScreenMatrix ); + return this; - // set object matrices & frustum culling + }, - _renderList.length = 0; + setXYZ: function ( index, x, y, z ) { - projectObject( scene, camera, shadowCamera ); + index *= this.itemSize; - // render shadow map - // render regular objects + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; - for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { + return this; - var object = _renderList[ j ]; - var geometry = _objects.update( object ); - var material = object.material; + }, - if ( (material && material.isMultiMaterial) ) { + setXYZW: function ( index, x, y, z, w ) { - var groups = geometry.groups; - var materials = material.materials; + index *= this.itemSize; - for ( var k = 0, kl = groups.length; k < kl; k ++ ) { + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; - var group = groups[ k ]; - var groupMaterial = materials[ group.materialIndex ]; + return this; - if ( groupMaterial.visible === true ) { + }, - var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + clone: function () { - } + return new this.constructor().copy( this ); - } + } - } else { + }; - var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + // - } + function Int8Attribute( array, itemSize ) { - } + return new BufferAttribute( new Int8Array( array ), itemSize ); - } + } - } + function Uint8Attribute( array, itemSize ) { - // Restore GL state. - var clearColor = _renderer.getClearColor(), - clearAlpha = _renderer.getClearAlpha(); - _renderer.setClearColor( clearColor, clearAlpha ); + return new BufferAttribute( new Uint8Array( array ), itemSize ); - scope.needsUpdate = false; + } - }; + function Uint8ClampedAttribute( array, itemSize ) { - function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { + return new BufferAttribute( new Uint8ClampedArray( array ), itemSize ); - var geometry = object.geometry; + } - var result = null; + function Int16Attribute( array, itemSize ) { - var materialVariants = _depthMaterials; - var customMaterial = object.customDepthMaterial; + return new BufferAttribute( new Int16Array( array ), itemSize ); - if ( isPointLight ) { + } - materialVariants = _distanceMaterials; - customMaterial = object.customDistanceMaterial; + function Uint16Attribute( array, itemSize ) { - } + return new BufferAttribute( new Uint16Array( array ), itemSize ); - if ( ! customMaterial ) { + } - var useMorphing = false; + function Int32Attribute( array, itemSize ) { - if ( material.morphTargets ) { + return new BufferAttribute( new Int32Array( array ), itemSize ); - if ( (geometry && geometry.isBufferGeometry) ) { + } - useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; + function Uint32Attribute( array, itemSize ) { - } else if ( (geometry && geometry.isGeometry) ) { + return new BufferAttribute( new Uint32Array( array ), itemSize ); - useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; + } - } + function Float32Attribute( array, itemSize ) { - } + return new BufferAttribute( new Float32Array( array ), itemSize ); - var useSkinning = object.isSkinnedMesh && material.skinning; + } - var variantIndex = 0; + function Float64Attribute( array, itemSize ) { - if ( useMorphing ) variantIndex |= _MorphingFlag; - if ( useSkinning ) variantIndex |= _SkinningFlag; + return new BufferAttribute( new Float64Array( array ), itemSize ); - result = materialVariants[ variantIndex ]; + } - } else { + // Deprecated - result = customMaterial; + function DynamicBufferAttribute( array, itemSize ) { - } + console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); + return new BufferAttribute( array, itemSize ).setDynamic( true ); - if ( _renderer.localClippingEnabled && - material.clipShadows === true && - material.clippingPlanes.length !== 0 ) { + } - // in this case we need a unique material instance reflecting the - // appropriate state + /** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author bhouston / http://clara.io + */ - var keyA = result.uuid, keyB = material.uuid; + function Geometry() { - var materialsForVariant = _materialCache[ keyA ]; + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - if ( materialsForVariant === undefined ) { + this.uuid = _Math.generateUUID(); - materialsForVariant = {}; - _materialCache[ keyA ] = materialsForVariant; + this.name = ''; + this.type = 'Geometry'; - } + this.vertices = []; + this.colors = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; - var cachedMaterial = materialsForVariant[ keyB ]; + this.morphTargets = []; + this.morphNormals = []; - if ( cachedMaterial === undefined ) { + this.skinWeights = []; + this.skinIndices = []; - cachedMaterial = result.clone(); - materialsForVariant[ keyB ] = cachedMaterial; + this.lineDistances = []; - } + this.boundingBox = null; + this.boundingSphere = null; - result = cachedMaterial; + // update flags - } + this.elementsNeedUpdate = false; + this.verticesNeedUpdate = false; + this.uvsNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.lineDistancesNeedUpdate = false; + this.groupsNeedUpdate = false; - result.visible = material.visible; - result.wireframe = material.wireframe; + } - var side = material.side; + Object.assign( Geometry.prototype, EventDispatcher.prototype, { - if ( scope.renderSingleSided && side == DoubleSide ) { + isGeometry: true, - side = FrontSide; + applyMatrix: function ( matrix ) { - } + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - if ( scope.renderReverseSided ) { + for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { - if ( side === FrontSide ) side = BackSide; - else if ( side === BackSide ) side = FrontSide; + var vertex = this.vertices[ i ]; + vertex.applyMatrix4( matrix ); } - result.side = side; + for ( var i = 0, il = this.faces.length; i < il; i ++ ) { - result.clipShadows = material.clipShadows; - result.clippingPlanes = material.clippingPlanes; + var face = this.faces[ i ]; + face.normal.applyMatrix3( normalMatrix ).normalize(); - result.wireframeLinewidth = material.wireframeLinewidth; - result.linewidth = material.linewidth; + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - if ( isPointLight && result.uniforms.lightPos !== undefined ) { + face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); - result.uniforms.lightPos.value.copy( lightPositionWorld ); + } } - return result; + if ( this.boundingBox !== null ) { - } + this.computeBoundingBox(); - function projectObject( object, camera, shadowCamera ) { + } - if ( object.visible === false ) return; + if ( this.boundingSphere !== null ) { - var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + this.computeBoundingSphere(); - if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + } - if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { + this.verticesNeedUpdate = true; + this.normalsNeedUpdate = true; - var material = object.material; + return this; - if ( material.visible === true ) { - - object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); - _renderList.push( object ); - - } + }, - } + rotateX: function () { - } + // rotate geometry around world x-axis - var children = object.children; + var m1; - for ( var i = 0, l = children.length; i < l; i ++ ) { + return function rotateX( angle ) { - projectObject( children[ i ], camera, shadowCamera ); + if ( m1 === undefined ) m1 = new Matrix4(); - } + m1.makeRotationX( angle ); - } + this.applyMatrix( m1 ); - } + return this; - /** - * @author bhouston / http://clara.io - */ + }; - function Ray( origin, direction ) { + }(), - this.origin = ( origin !== undefined ) ? origin : new Vector3(); - this.direction = ( direction !== undefined ) ? direction : new Vector3(); + rotateY: function () { - } + // rotate geometry around world y-axis - Ray.prototype = { + var m1; - constructor: Ray, + return function rotateY( angle ) { - set: function ( origin, direction ) { + if ( m1 === undefined ) m1 = new Matrix4(); - this.origin.copy( origin ); - this.direction.copy( direction ); + m1.makeRotationY( angle ); - return this; + this.applyMatrix( m1 ); - }, + return this; - clone: function () { + }; - return new this.constructor().copy( this ); + }(), - }, + rotateZ: function () { - copy: function ( ray ) { + // rotate geometry around world z-axis - this.origin.copy( ray.origin ); - this.direction.copy( ray.direction ); + var m1; - return this; + return function rotateZ( angle ) { - }, + if ( m1 === undefined ) m1 = new Matrix4(); - at: function ( t, optionalTarget ) { + m1.makeRotationZ( angle ); - var result = optionalTarget || new Vector3(); + this.applyMatrix( m1 ); - return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + return this; - }, + }; - lookAt: function ( v ) { + }(), - this.direction.copy( v ).sub( this.origin ).normalize(); + translate: function () { - return this; + // translate geometry - }, + var m1; - recast: function () { + return function translate( x, y, z ) { - var v1 = new Vector3(); + if ( m1 === undefined ) m1 = new Matrix4(); - return function recast( t ) { + m1.makeTranslation( x, y, z ); - this.origin.copy( this.at( t, v1 ) ); + this.applyMatrix( m1 ); return this; @@ -14420,146 +12657,132 @@ }(), - closestPointToPoint: function ( point, optionalTarget ) { + scale: function () { - var result = optionalTarget || new Vector3(); - result.subVectors( point, this.origin ); - var directionDistance = result.dot( this.direction ); + // scale geometry - if ( directionDistance < 0 ) { + var m1; - return result.copy( this.origin ); + return function scale( x, y, z ) { - } + if ( m1 === undefined ) m1 = new Matrix4(); - return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + m1.makeScale( x, y, z ); - }, + this.applyMatrix( m1 ); - distanceToPoint: function ( point ) { + return this; - return Math.sqrt( this.distanceSqToPoint( point ) ); + }; - }, + }(), - distanceSqToPoint: function () { + lookAt: function () { - var v1 = new Vector3(); + var obj; - return function distanceSqToPoint( point ) { + return function lookAt( vector ) { - var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); + if ( obj === undefined ) obj = new Object3D(); - // point behind the ray + obj.lookAt( vector ); - if ( directionDistance < 0 ) { + obj.updateMatrix(); - return this.origin.distanceToSquared( point ); + this.applyMatrix( obj.matrix ); - } + }; - v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + }(), - return v1.distanceToSquared( point ); + fromBufferGeometry: function ( geometry ) { - }; + var scope = this; - }(), + var indices = geometry.index !== null ? geometry.index.array : undefined; + var attributes = geometry.attributes; - distanceSqToSegment: function () { + var positions = attributes.position.array; + var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; + var colors = attributes.color !== undefined ? attributes.color.array : undefined; + var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; + var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; - var segCenter = new Vector3(); - var segDir = new Vector3(); - var diff = new Vector3(); + if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; - return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + var tempNormals = []; + var tempUVs = []; + var tempUVs2 = []; - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h - // It returns the min distance between the ray and the segment - // defined by v0 and v1 - // It can also set two optional targets : - // - The closest point on the ray - // - The closest point on the segment + for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { - segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); - segDir.copy( v1 ).sub( v0 ).normalize(); - diff.copy( this.origin ).sub( segCenter ); + scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); - var segExtent = v0.distanceTo( v1 ) * 0.5; - var a01 = - this.direction.dot( segDir ); - var b0 = diff.dot( this.direction ); - var b1 = - diff.dot( segDir ); - var c = diff.lengthSq(); - var det = Math.abs( 1 - a01 * a01 ); - var s0, s1, sqrDist, extDet; + if ( normals !== undefined ) { - if ( det > 0 ) { + tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); - // The ray and segment are not parallel. + } - s0 = a01 * b1 - b0; - s1 = a01 * b0 - b1; - extDet = segExtent * det; + if ( colors !== undefined ) { - if ( s0 >= 0 ) { + scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); - if ( s1 >= - extDet ) { + } - if ( s1 <= extDet ) { + if ( uvs !== undefined ) { - // region 0 - // Minimum at interior points of ray and segment. + tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); - var invDet = 1 / det; - s0 *= invDet; - s1 *= invDet; - sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + } - } else { + if ( uvs2 !== undefined ) { - // region 1 + tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); - s1 = segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } - } + } - } else { + function addFace( a, b, c, materialIndex ) { - // region 5 + var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; + var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; - s1 = - segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); - } + scope.faces.push( face ); - } else { + if ( uvs !== undefined ) { - if ( s1 <= - extDet ) { + scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); - // region 4 + } - s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + if ( uvs2 !== undefined ) { - } else if ( s1 <= extDet ) { + scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); - // region 3 + } - s0 = 0; - s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = s1 * ( s1 + 2 * b1 ) + c; + } - } else { + if ( indices !== undefined ) { - // region 2 + var groups = geometry.groups; - s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + if ( groups.length > 0 ) { + + for ( var i = 0; i < groups.length; i ++ ) { + + var group = groups[ i ]; + + var start = group.start; + var count = group.count; + + for ( var j = start, jl = start + count; j < jl; j += 3 ) { + + addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); } @@ -14567,14215 +12790,14485 @@ } else { - // Ray and segment are parallel. + for ( var i = 0; i < indices.length; i += 3 ) { - s1 = ( a01 > 0 ) ? - segExtent : segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); + + } } - if ( optionalPointOnRay ) { + } else { - optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); + for ( var i = 0; i < positions.length / 3; i += 3 ) { + + addFace( i, i + 1, i + 2 ); } - if ( optionalPointOnSegment ) { + } - optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter ); + this.computeFaceNormals(); - } + if ( geometry.boundingBox !== null ) { - return sqrDist; + this.boundingBox = geometry.boundingBox.clone(); - }; + } - }(), + if ( geometry.boundingSphere !== null ) { - intersectSphere: function () { + this.boundingSphere = geometry.boundingSphere.clone(); - var v1 = new Vector3(); + } - return function intersectSphere( sphere, optionalTarget ) { + return this; - v1.subVectors( sphere.center, this.origin ); - var tca = v1.dot( this.direction ); - var d2 = v1.dot( v1 ) - tca * tca; - var radius2 = sphere.radius * sphere.radius; + }, - if ( d2 > radius2 ) return null; + center: function () { - var thc = Math.sqrt( radius2 - d2 ); + this.computeBoundingBox(); - // t0 = first intersect point - entrance on front of sphere - var t0 = tca - thc; + var offset = this.boundingBox.getCenter().negate(); - // t1 = second intersect point - exit point on back of sphere - var t1 = tca + thc; + this.translate( offset.x, offset.y, offset.z ); - // test to see if both t0 and t1 are behind the ray - if so, return null - if ( t0 < 0 && t1 < 0 ) return null; + return offset; - // test to see if t0 is behind the ray: - // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, - // in order to always return an intersect point that is in front of the ray. - if ( t0 < 0 ) return this.at( t1, optionalTarget ); + }, - // else t0 is in front of the ray, so return the first collision point scaled by t0 - return this.at( t0, optionalTarget ); + normalize: function () { - }; + this.computeBoundingSphere(); - }(), + var center = this.boundingSphere.center; + var radius = this.boundingSphere.radius; - intersectsSphere: function ( sphere ) { + var s = radius === 0 ? 1 : 1.0 / radius; - return this.distanceToPoint( sphere.center ) <= sphere.radius; + var matrix = new Matrix4(); + matrix.set( + s, 0, 0, - s * center.x, + 0, s, 0, - s * center.y, + 0, 0, s, - s * center.z, + 0, 0, 0, 1 + ); + + this.applyMatrix( matrix ); + + return this; }, - distanceToPlane: function ( plane ) { + computeFaceNormals: function () { - var denominator = plane.normal.dot( this.direction ); + var cb = new Vector3(), ab = new Vector3(); - if ( denominator === 0 ) { + for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { - // line is coplanar, return origin - if ( plane.distanceToPoint( this.origin ) === 0 ) { + var face = this.faces[ f ]; - return 0; + var vA = this.vertices[ face.a ]; + var vB = this.vertices[ face.b ]; + var vC = this.vertices[ face.c ]; - } + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); - // Null is preferable to undefined since undefined means.... it is undefined + cb.normalize(); - return null; + face.normal.copy( cb ); } - var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; - - // Return if the ray never intersects the plane + }, - return t >= 0 ? t : null; + computeVertexNormals: function ( areaWeighted ) { - }, + if ( areaWeighted === undefined ) areaWeighted = true; - intersectPlane: function ( plane, optionalTarget ) { + var v, vl, f, fl, face, vertices; - var t = this.distanceToPlane( plane ); + vertices = new Array( this.vertices.length ); - if ( t === null ) { + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - return null; + vertices[ v ] = new Vector3(); } - return this.at( t, optionalTarget ); + if ( areaWeighted ) { - }, + // vertex normals weighted by triangle areas + // http://www.iquilezles.org/www/articles/normals/normals.htm + var vA, vB, vC; + var cb = new Vector3(), ab = new Vector3(); + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - intersectsPlane: function ( plane ) { + face = this.faces[ f ]; - // check if the ray lies on the plane first + vA = this.vertices[ face.a ]; + vB = this.vertices[ face.b ]; + vC = this.vertices[ face.c ]; - var distToPoint = plane.distanceToPoint( this.origin ); + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); - if ( distToPoint === 0 ) { + vertices[ face.a ].add( cb ); + vertices[ face.b ].add( cb ); + vertices[ face.c ].add( cb ); - return true; + } - } + } else { - var denominator = plane.normal.dot( this.direction ); + this.computeFaceNormals(); - if ( denominator * distToPoint < 0 ) { + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - return true; + face = this.faces[ f ]; + + vertices[ face.a ].add( face.normal ); + vertices[ face.b ].add( face.normal ); + vertices[ face.c ].add( face.normal ); + + } } - // ray origin is behind the plane (and is pointing behind it) + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - return false; + vertices[ v ].normalize(); - }, + } - intersectBox: function ( box, optionalTarget ) { + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - var tmin, tmax, tymin, tymax, tzmin, tzmax; + face = this.faces[ f ]; - var invdirx = 1 / this.direction.x, - invdiry = 1 / this.direction.y, - invdirz = 1 / this.direction.z; + var vertexNormals = face.vertexNormals; - var origin = this.origin; + if ( vertexNormals.length === 3 ) { - if ( invdirx >= 0 ) { + vertexNormals[ 0 ].copy( vertices[ face.a ] ); + vertexNormals[ 1 ].copy( vertices[ face.b ] ); + vertexNormals[ 2 ].copy( vertices[ face.c ] ); - tmin = ( box.min.x - origin.x ) * invdirx; - tmax = ( box.max.x - origin.x ) * invdirx; + } else { - } else { + vertexNormals[ 0 ] = vertices[ face.a ].clone(); + vertexNormals[ 1 ] = vertices[ face.b ].clone(); + vertexNormals[ 2 ] = vertices[ face.c ].clone(); - tmin = ( box.max.x - origin.x ) * invdirx; - tmax = ( box.min.x - origin.x ) * invdirx; + } } - if ( invdiry >= 0 ) { + if ( this.faces.length > 0 ) { - tymin = ( box.min.y - origin.y ) * invdiry; - tymax = ( box.max.y - origin.y ) * invdiry; + this.normalsNeedUpdate = true; - } else { + } - tymin = ( box.max.y - origin.y ) * invdiry; - tymax = ( box.min.y - origin.y ) * invdiry; + }, - } + computeFlatVertexNormals: function () { - if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + var f, fl, face; - // These lines also handle the case where tmin or tmax is NaN - // (result of 0 * Infinity). x !== x returns true if x is NaN + this.computeFaceNormals(); - if ( tymin > tmin || tmin !== tmin ) tmin = tymin; + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - if ( tymax < tmax || tmax !== tmax ) tmax = tymax; + face = this.faces[ f ]; - if ( invdirz >= 0 ) { + var vertexNormals = face.vertexNormals; - tzmin = ( box.min.z - origin.z ) * invdirz; - tzmax = ( box.max.z - origin.z ) * invdirz; + if ( vertexNormals.length === 3 ) { - } else { + vertexNormals[ 0 ].copy( face.normal ); + vertexNormals[ 1 ].copy( face.normal ); + vertexNormals[ 2 ].copy( face.normal ); - tzmin = ( box.max.z - origin.z ) * invdirz; - tzmax = ( box.min.z - origin.z ) * invdirz; + } else { + + vertexNormals[ 0 ] = face.normal.clone(); + vertexNormals[ 1 ] = face.normal.clone(); + vertexNormals[ 2 ] = face.normal.clone(); + + } } - if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + if ( this.faces.length > 0 ) { - if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + this.normalsNeedUpdate = true; - if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + } - //return point closest to the ray (positive side) + }, - if ( tmax < 0 ) return null; + computeMorphNormals: function () { - return this.at( tmin >= 0 ? tmin : tmax, optionalTarget ); + var i, il, f, fl, face; - }, + // save original normals + // - create temp variables on first access + // otherwise just copy (for faster repeated calls) - intersectsBox: ( function () { + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - var v = new Vector3(); + face = this.faces[ f ]; - return function intersectsBox( box ) { + if ( ! face.__originalFaceNormal ) { - return this.intersectBox( box, v ) !== null; + face.__originalFaceNormal = face.normal.clone(); - }; + } else { - } )(), + face.__originalFaceNormal.copy( face.normal ); - intersectTriangle: function () { + } - // Compute the offset origin, edges, and normal. - var diff = new Vector3(); - var edge1 = new Vector3(); - var edge2 = new Vector3(); - var normal = new Vector3(); + if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; - return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { + for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + if ( ! face.__originalVertexNormals[ i ] ) { - edge1.subVectors( b, a ); - edge2.subVectors( c, a ); - normal.crossVectors( edge1, edge2 ); + face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); - // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, - // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by - // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) - // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) - // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) - var DdN = this.direction.dot( normal ); - var sign; - - if ( DdN > 0 ) { - - if ( backfaceCulling ) return null; - sign = 1; - - } else if ( DdN < 0 ) { - - sign = - 1; - DdN = - DdN; + } else { - } else { + face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); - return null; + } } - diff.subVectors( this.origin, a ); - var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) ); - - // b1 < 0, no intersection - if ( DdQxE2 < 0 ) { + } - return null; + // use temp geometry to compute face and vertex normals for each morph - } + var tmpGeo = new Geometry(); + tmpGeo.faces = this.faces; - var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) ); + for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { - // b2 < 0, no intersection - if ( DdE1xQ < 0 ) { + // create on first access - return null; + if ( ! this.morphNormals[ i ] ) { - } + this.morphNormals[ i ] = {}; + this.morphNormals[ i ].faceNormals = []; + this.morphNormals[ i ].vertexNormals = []; - // b1+b2 > 1, no intersection - if ( DdQxE2 + DdE1xQ > DdN ) { + var dstNormalsFace = this.morphNormals[ i ].faceNormals; + var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; - return null; + var faceNormal, vertexNormals; - } + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - // Line intersects triangle, check if ray does. - var QdN = - sign * diff.dot( normal ); + faceNormal = new Vector3(); + vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; - // t < 0, no intersection - if ( QdN < 0 ) { + dstNormalsFace.push( faceNormal ); + dstNormalsVertex.push( vertexNormals ); - return null; + } } - // Ray intersects triangle. - return this.at( QdN / DdN, optionalTarget ); - - }; - - }(), - - applyMatrix4: function ( matrix4 ) { + var morphNormals = this.morphNormals[ i ]; - this.direction.add( this.origin ).applyMatrix4( matrix4 ); - this.origin.applyMatrix4( matrix4 ); - this.direction.sub( this.origin ); - this.direction.normalize(); + // set vertices to morph target - return this; + tmpGeo.vertices = this.morphTargets[ i ].vertices; - }, + // compute morph normals - equals: function ( ray ) { + tmpGeo.computeFaceNormals(); + tmpGeo.computeVertexNormals(); - return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + // store morph normals - } + var faceNormal, vertexNormals; - }; + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - */ + face = this.faces[ f ]; - function Euler( x, y, z, order ) { + faceNormal = morphNormals.faceNormals[ f ]; + vertexNormals = morphNormals.vertexNormals[ f ]; - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._order = order || Euler.DefaultOrder; + faceNormal.copy( face.normal ); - } + vertexNormals.a.copy( face.vertexNormals[ 0 ] ); + vertexNormals.b.copy( face.vertexNormals[ 1 ] ); + vertexNormals.c.copy( face.vertexNormals[ 2 ] ); - Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; + } - Euler.DefaultOrder = 'XYZ'; + } - Euler.prototype = { + // restore original normals - constructor: Euler, + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - isEuler: true, + face = this.faces[ f ]; - get x () { + face.normal = face.__originalFaceNormal; + face.vertexNormals = face.__originalVertexNormals; - return this._x; + } }, - set x ( value ) { + computeTangents: function () { - this._x = value; - this.onChangeCallback(); + console.warn( 'THREE.Geometry: .computeTangents() has been removed.' ); }, - get y () { + computeLineDistances: function () { - return this._y; + var d = 0; + var vertices = this.vertices; - }, + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - set y ( value ) { + if ( i > 0 ) { - this._y = value; - this.onChangeCallback(); + d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); - }, + } - get z () { + this.lineDistances[ i ] = d; - return this._z; + } }, - set z ( value ) { + computeBoundingBox: function () { - this._z = value; - this.onChangeCallback(); + if ( this.boundingBox === null ) { - }, + this.boundingBox = new Box3(); - get order () { + } - return this._order; + this.boundingBox.setFromPoints( this.vertices ); }, - set order ( value ) { - - this._order = value; - this.onChangeCallback(); - - }, + computeBoundingSphere: function () { - set: function ( x, y, z, order ) { + if ( this.boundingSphere === null ) { - this._x = x; - this._y = y; - this._z = z; - this._order = order || this._order; + this.boundingSphere = new Sphere(); - this.onChangeCallback(); + } - return this; + this.boundingSphere.setFromPoints( this.vertices ); }, - clone: function () { + merge: function ( geometry, matrix, materialIndexOffset ) { - return new this.constructor( this._x, this._y, this._z, this._order ); + if ( (geometry && geometry.isGeometry) === false ) { - }, + console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); + return; - copy: function ( euler ) { + } - this._x = euler._x; - this._y = euler._y; - this._z = euler._z; - this._order = euler._order; + var normalMatrix, + vertexOffset = this.vertices.length, + vertices1 = this.vertices, + vertices2 = geometry.vertices, + faces1 = this.faces, + faces2 = geometry.faces, + uvs1 = this.faceVertexUvs[ 0 ], + uvs2 = geometry.faceVertexUvs[ 0 ], + colors1 = this.colors, + colors2 = geometry.colors; - this.onChangeCallback(); + if ( materialIndexOffset === undefined ) materialIndexOffset = 0; - return this; + if ( matrix !== undefined ) { - }, + normalMatrix = new Matrix3().getNormalMatrix( matrix ); - setFromRotationMatrix: function ( m, order, update ) { + } - var clamp = _Math.clamp; + // vertices - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + for ( var i = 0, il = vertices2.length; i < il; i ++ ) { - var te = m.elements; - var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; - var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; - var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + var vertex = vertices2[ i ]; - order = order || this._order; + var vertexCopy = vertex.clone(); - if ( order === 'XYZ' ) { + if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); - this._y = Math.asin( clamp( m13, - 1, 1 ) ); + vertices1.push( vertexCopy ); - if ( Math.abs( m13 ) < 0.99999 ) { + } - this._x = Math.atan2( - m23, m33 ); - this._z = Math.atan2( - m12, m11 ); + // colors - } else { + for ( var i = 0, il = colors2.length; i < il; i ++ ) { - this._x = Math.atan2( m32, m22 ); - this._z = 0; + colors1.push( colors2[ i ].clone() ); - } + } - } else if ( order === 'YXZ' ) { + // faces - this._x = Math.asin( - clamp( m23, - 1, 1 ) ); + for ( i = 0, il = faces2.length; i < il; i ++ ) { - if ( Math.abs( m23 ) < 0.99999 ) { + var face = faces2[ i ], faceCopy, normal, color, + faceVertexNormals = face.vertexNormals, + faceVertexColors = face.vertexColors; - this._y = Math.atan2( m13, m33 ); - this._z = Math.atan2( m21, m22 ); + faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); + faceCopy.normal.copy( face.normal ); - } else { + if ( normalMatrix !== undefined ) { - this._y = Math.atan2( - m31, m11 ); - this._z = 0; + faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); } - } else if ( order === 'ZXY' ) { + for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { - this._x = Math.asin( clamp( m32, - 1, 1 ) ); + normal = faceVertexNormals[ j ].clone(); - if ( Math.abs( m32 ) < 0.99999 ) { + if ( normalMatrix !== undefined ) { - this._y = Math.atan2( - m31, m33 ); - this._z = Math.atan2( - m12, m22 ); + normal.applyMatrix3( normalMatrix ).normalize(); - } else { + } - this._y = 0; - this._z = Math.atan2( m21, m11 ); + faceCopy.vertexNormals.push( normal ); } - } else if ( order === 'ZYX' ) { - - this._y = Math.asin( - clamp( m31, - 1, 1 ) ); + faceCopy.color.copy( face.color ); - if ( Math.abs( m31 ) < 0.99999 ) { + for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { - this._x = Math.atan2( m32, m33 ); - this._z = Math.atan2( m21, m11 ); + color = faceVertexColors[ j ]; + faceCopy.vertexColors.push( color.clone() ); - } else { + } - this._x = 0; - this._z = Math.atan2( - m12, m22 ); + faceCopy.materialIndex = face.materialIndex + materialIndexOffset; - } + faces1.push( faceCopy ); - } else if ( order === 'YZX' ) { + } - this._z = Math.asin( clamp( m21, - 1, 1 ) ); + // uvs - if ( Math.abs( m21 ) < 0.99999 ) { + for ( i = 0, il = uvs2.length; i < il; i ++ ) { - this._x = Math.atan2( - m23, m22 ); - this._y = Math.atan2( - m31, m11 ); + var uv = uvs2[ i ], uvCopy = []; - } else { + if ( uv === undefined ) { - this._x = 0; - this._y = Math.atan2( m13, m33 ); + continue; } - } else if ( order === 'XZY' ) { + for ( var j = 0, jl = uv.length; j < jl; j ++ ) { - this._z = Math.asin( - clamp( m12, - 1, 1 ) ); + uvCopy.push( uv[ j ].clone() ); - if ( Math.abs( m12 ) < 0.99999 ) { + } - this._x = Math.atan2( m32, m22 ); - this._y = Math.atan2( m13, m11 ); + uvs1.push( uvCopy ); - } else { + } - this._x = Math.atan2( - m23, m33 ); - this._y = 0; + }, - } + mergeMesh: function ( mesh ) { - } else { + if ( (mesh && mesh.isMesh) === false ) { - console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); + console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); + return; } - this._order = order; - - if ( update !== false ) this.onChangeCallback(); + mesh.matrixAutoUpdate && mesh.updateMatrix(); - return this; + this.merge( mesh.geometry, mesh.matrix ); }, - setFromQuaternion: function () { - - var matrix; + /* + * Checks for duplicate vertices with hashmap. + * Duplicated vertices are removed + * and faces' vertices are updated. + */ - return function setFromQuaternion( q, order, update ) { + mergeVertices: function () { - if ( matrix === undefined ) matrix = new Matrix4(); + var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) + var unique = [], changes = []; - matrix.makeRotationFromQuaternion( q ); + var v, key; + var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 + var precision = Math.pow( 10, precisionPoints ); + var i, il, face; + var indices, j, jl; - return this.setFromRotationMatrix( matrix, order, update ); + for ( i = 0, il = this.vertices.length; i < il; i ++ ) { - }; + v = this.vertices[ i ]; + key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); - }(), + if ( verticesMap[ key ] === undefined ) { - setFromVector3: function ( v, order ) { + verticesMap[ key ] = i; + unique.push( this.vertices[ i ] ); + changes[ i ] = unique.length - 1; - return this.set( v.x, v.y, v.z, order || this._order ); + } else { - }, + //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); + changes[ i ] = changes[ verticesMap[ key ] ]; - reorder: function () { + } - // WARNING: this discards revolution information -bhouston + } - var q = new Quaternion(); - return function reorder( newOrder ) { + // if faces are completely degenerate after merging vertices, we + // have to remove them from the geometry. + var faceIndicesToRemove = []; - q.setFromEuler( this ); + for ( i = 0, il = this.faces.length; i < il; i ++ ) { - return this.setFromQuaternion( q, newOrder ); + face = this.faces[ i ]; - }; + face.a = changes[ face.a ]; + face.b = changes[ face.b ]; + face.c = changes[ face.c ]; - }(), + indices = [ face.a, face.b, face.c ]; - equals: function ( euler ) { + var dupIndex = - 1; - return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + // if any duplicate vertices are found in a Face3 + // we have to remove the face as nothing can be saved + for ( var n = 0; n < 3; n ++ ) { - }, + if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { - fromArray: function ( array ) { + dupIndex = n; + faceIndicesToRemove.push( i ); + break; - this._x = array[ 0 ]; - this._y = array[ 1 ]; - this._z = array[ 2 ]; - if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + } - this.onChangeCallback(); + } - return this; + } - }, + for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { - toArray: function ( array, offset ) { + var idx = faceIndicesToRemove[ i ]; - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + this.faces.splice( idx, 1 ); - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._order; + for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { - return array; + this.faceVertexUvs[ j ].splice( idx, 1 ); - }, + } - toVector3: function ( optionalResult ) { + } - if ( optionalResult ) { + // Use unique set of vertices - return optionalResult.set( this._x, this._y, this._z ); + var diff = this.vertices.length - unique.length; + this.vertices = unique; + return diff; - } else { + }, - return new Vector3( this._x, this._y, this._z ); + sortFacesByMaterialIndex: function () { - } + var faces = this.faces; + var length = faces.length; - }, + // tag faces - onChange: function ( callback ) { + for ( var i = 0; i < length; i ++ ) { - this.onChangeCallback = callback; + faces[ i ]._id = i; - return this; + } - }, + // sort faces - onChangeCallback: function () {} + function materialIndexSort( a, b ) { - }; + return a.materialIndex - b.materialIndex; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function Layers() { + faces.sort( materialIndexSort ); - this.mask = 1; + // sort uvs - } + var uvs1 = this.faceVertexUvs[ 0 ]; + var uvs2 = this.faceVertexUvs[ 1 ]; - Layers.prototype = { + var newUvs1, newUvs2; - constructor: Layers, + if ( uvs1 && uvs1.length === length ) newUvs1 = []; + if ( uvs2 && uvs2.length === length ) newUvs2 = []; - set: function ( channel ) { + for ( var i = 0; i < length; i ++ ) { - this.mask = 1 << channel; + var id = faces[ i ]._id; - }, + if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); + if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); - enable: function ( channel ) { + } - this.mask |= 1 << channel; + if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; + if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; }, - toggle: function ( channel ) { + toJSON: function () { - this.mask ^= 1 << channel; + var data = { + metadata: { + version: 4.4, + type: 'Geometry', + generator: 'Geometry.toJSON' + } + }; - }, + // standard Geometry serialization - disable: function ( channel ) { + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; - this.mask &= ~ ( 1 << channel ); + if ( this.parameters !== undefined ) { - }, + var parameters = this.parameters; - test: function ( layers ) { + for ( var key in parameters ) { - return ( this.mask & layers.mask ) !== 0; + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - } + } - }; + return data; - /** - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author WestLangley / http://github.com/WestLangley - * @author elephantatwork / www.elephantatwork.ch - */ + } - function Object3D() { + var vertices = []; - Object.defineProperty( this, 'id', { value: Object3DIdCount() } ); + for ( var i = 0; i < this.vertices.length; i ++ ) { - this.uuid = _Math.generateUUID(); + var vertex = this.vertices[ i ]; + vertices.push( vertex.x, vertex.y, vertex.z ); - this.name = ''; - this.type = 'Object3D'; + } - this.parent = null; - this.children = []; + var faces = []; + var normals = []; + var normalsHash = {}; + var colors = []; + var colorsHash = {}; + var uvs = []; + var uvsHash = {}; - this.up = Object3D.DefaultUp.clone(); + for ( var i = 0; i < this.faces.length; i ++ ) { - var position = new Vector3(); - var rotation = new Euler(); - var quaternion = new Quaternion(); - var scale = new Vector3( 1, 1, 1 ); + var face = this.faces[ i ]; - function onRotationChange() { + var hasMaterial = true; + var hasFaceUv = false; // deprecated + var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; + var hasFaceNormal = face.normal.length() > 0; + var hasFaceVertexNormal = face.vertexNormals.length > 0; + var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; + var hasFaceVertexColor = face.vertexColors.length > 0; - quaternion.setFromEuler( rotation, false ); + var faceType = 0; - } + faceType = setBit( faceType, 0, 0 ); // isQuad + faceType = setBit( faceType, 1, hasMaterial ); + faceType = setBit( faceType, 2, hasFaceUv ); + faceType = setBit( faceType, 3, hasFaceVertexUv ); + faceType = setBit( faceType, 4, hasFaceNormal ); + faceType = setBit( faceType, 5, hasFaceVertexNormal ); + faceType = setBit( faceType, 6, hasFaceColor ); + faceType = setBit( faceType, 7, hasFaceVertexColor ); - function onQuaternionChange() { + faces.push( faceType ); + faces.push( face.a, face.b, face.c ); + faces.push( face.materialIndex ); - rotation.setFromQuaternion( quaternion, undefined, false ); + if ( hasFaceVertexUv ) { - } + var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; - rotation.onChange( onRotationChange ); - quaternion.onChange( onQuaternionChange ); + faces.push( + getUvIndex( faceVertexUvs[ 0 ] ), + getUvIndex( faceVertexUvs[ 1 ] ), + getUvIndex( faceVertexUvs[ 2 ] ) + ); - Object.defineProperties( this, { - position: { - enumerable: true, - value: position - }, - rotation: { - enumerable: true, - value: rotation - }, - quaternion: { - enumerable: true, - value: quaternion - }, - scale: { - enumerable: true, - value: scale - }, - modelViewMatrix: { - value: new Matrix4() - }, - normalMatrix: { - value: new Matrix3() - } - } ); + } - this.matrix = new Matrix4(); - this.matrixWorld = new Matrix4(); + if ( hasFaceNormal ) { - this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; - this.matrixWorldNeedsUpdate = false; + faces.push( getNormalIndex( face.normal ) ); - this.layers = new Layers(); - this.visible = true; + } - this.castShadow = false; - this.receiveShadow = false; + if ( hasFaceVertexNormal ) { - this.frustumCulled = true; - this.renderOrder = 0; + var vertexNormals = face.vertexNormals; - this.userData = {}; + faces.push( + getNormalIndex( vertexNormals[ 0 ] ), + getNormalIndex( vertexNormals[ 1 ] ), + getNormalIndex( vertexNormals[ 2 ] ) + ); - this.onBeforeRender = function(){}; - this.onAfterRender = function(){}; + } - } + if ( hasFaceColor ) { - Object3D.DefaultUp = new Vector3( 0, 1, 0 ); - Object3D.DefaultMatrixAutoUpdate = true; + faces.push( getColorIndex( face.color ) ); - Object.assign( Object3D.prototype, EventDispatcher.prototype, { + } - isObject3D: true, + if ( hasFaceVertexColor ) { - applyMatrix: function ( matrix ) { + var vertexColors = face.vertexColors; - this.matrix.multiplyMatrices( matrix, this.matrix ); + faces.push( + getColorIndex( vertexColors[ 0 ] ), + getColorIndex( vertexColors[ 1 ] ), + getColorIndex( vertexColors[ 2 ] ) + ); - this.matrix.decompose( this.position, this.quaternion, this.scale ); + } - }, + } - setRotationFromAxisAngle: function ( axis, angle ) { + function setBit( value, position, enabled ) { - // assumes axis is normalized + return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); - this.quaternion.setFromAxisAngle( axis, angle ); + } - }, + function getNormalIndex( normal ) { - setRotationFromEuler: function ( euler ) { + var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); - this.quaternion.setFromEuler( euler, true ); + if ( normalsHash[ hash ] !== undefined ) { - }, + return normalsHash[ hash ]; - setRotationFromMatrix: function ( m ) { + } - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + normalsHash[ hash ] = normals.length / 3; + normals.push( normal.x, normal.y, normal.z ); - this.quaternion.setFromRotationMatrix( m ); + return normalsHash[ hash ]; - }, + } - setRotationFromQuaternion: function ( q ) { + function getColorIndex( color ) { - // assumes q is normalized + var hash = color.r.toString() + color.g.toString() + color.b.toString(); - this.quaternion.copy( q ); + if ( colorsHash[ hash ] !== undefined ) { - }, + return colorsHash[ hash ]; - rotateOnAxis: function () { + } - // rotate object on axis in object space - // axis is assumed to be normalized + colorsHash[ hash ] = colors.length; + colors.push( color.getHex() ); - var q1 = new Quaternion(); + return colorsHash[ hash ]; - return function rotateOnAxis( axis, angle ) { + } - q1.setFromAxisAngle( axis, angle ); + function getUvIndex( uv ) { - this.quaternion.multiply( q1 ); + var hash = uv.x.toString() + uv.y.toString(); - return this; + if ( uvsHash[ hash ] !== undefined ) { - }; + return uvsHash[ hash ]; - }(), + } - rotateX: function () { + uvsHash[ hash ] = uvs.length / 2; + uvs.push( uv.x, uv.y ); - var v1 = new Vector3( 1, 0, 0 ); + return uvsHash[ hash ]; - return function rotateX( angle ) { + } - return this.rotateOnAxis( v1, angle ); + data.data = {}; - }; + data.data.vertices = vertices; + data.data.normals = normals; + if ( colors.length > 0 ) data.data.colors = colors; + if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility + data.data.faces = faces; - }(), + return data; - rotateY: function () { + }, - var v1 = new Vector3( 0, 1, 0 ); + clone: function () { - return function rotateY( angle ) { + /* + // Handle primitives - return this.rotateOnAxis( v1, angle ); + var parameters = this.parameters; - }; + if ( parameters !== undefined ) { - }(), + var values = []; - rotateZ: function () { + for ( var key in parameters ) { - var v1 = new Vector3( 0, 0, 1 ); + values.push( parameters[ key ] ); - return function rotateZ( angle ) { + } - return this.rotateOnAxis( v1, angle ); + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; - }; + } - }(), + return new this.constructor().copy( this ); + */ - translateOnAxis: function () { + return new Geometry().copy( this ); - // translate object by distance along axis in object space - // axis is assumed to be normalized + }, - var v1 = new Vector3(); + copy: function ( source ) { - return function translateOnAxis( axis, distance ) { + this.vertices = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; + this.colors = []; - v1.copy( axis ).applyQuaternion( this.quaternion ); + var vertices = source.vertices; - this.position.add( v1.multiplyScalar( distance ) ); + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - return this; + this.vertices.push( vertices[ i ].clone() ); - }; + } - }(), + var colors = source.colors; - translateX: function () { + for ( var i = 0, il = colors.length; i < il; i ++ ) { - var v1 = new Vector3( 1, 0, 0 ); + this.colors.push( colors[ i ].clone() ); - return function translateX( distance ) { + } - return this.translateOnAxis( v1, distance ); + var faces = source.faces; - }; + for ( var i = 0, il = faces.length; i < il; i ++ ) { - }(), + this.faces.push( faces[ i ].clone() ); - translateY: function () { + } - var v1 = new Vector3( 0, 1, 0 ); + for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { - return function translateY( distance ) { + var faceVertexUvs = source.faceVertexUvs[ i ]; - return this.translateOnAxis( v1, distance ); + if ( this.faceVertexUvs[ i ] === undefined ) { - }; + this.faceVertexUvs[ i ] = []; - }(), + } - translateZ: function () { + for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { - var v1 = new Vector3( 0, 0, 1 ); + var uvs = faceVertexUvs[ j ], uvsCopy = []; - return function translateZ( distance ) { + for ( var k = 0, kl = uvs.length; k < kl; k ++ ) { - return this.translateOnAxis( v1, distance ); + var uv = uvs[ k ]; - }; + uvsCopy.push( uv.clone() ); - }(), + } - localToWorld: function ( vector ) { + this.faceVertexUvs[ i ].push( uvsCopy ); - return vector.applyMatrix4( this.matrixWorld ); + } + + } + + return this; }, - worldToLocal: function () { + dispose: function () { - var m1 = new Matrix4(); + this.dispatchEvent( { type: 'dispose' } ); - return function worldToLocal( vector ) { + } - return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); + } ); - }; + var count$3 = 0; + function GeometryIdCount() { return count$3++; } - }(), + /** + * @author mrdoob / http://mrdoob.com/ + */ - lookAt: function () { + function DirectGeometry() { - // This routine does not support objects with rotated and/or translated parent(s) + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - var m1 = new Matrix4(); + this.uuid = _Math.generateUUID(); - return function lookAt( vector ) { + this.name = ''; + this.type = 'DirectGeometry'; - m1.lookAt( vector, this.position, this.up ); + this.indices = []; + this.vertices = []; + this.normals = []; + this.colors = []; + this.uvs = []; + this.uvs2 = []; - this.quaternion.setFromRotationMatrix( m1 ); + this.groups = []; - }; + this.morphTargets = {}; - }(), + this.skinWeights = []; + this.skinIndices = []; - add: function ( object ) { + // this.lineDistances = []; - if ( arguments.length > 1 ) { + this.boundingBox = null; + this.boundingSphere = null; - for ( var i = 0; i < arguments.length; i ++ ) { + // update flags - this.add( arguments[ i ] ); + this.verticesNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.uvsNeedUpdate = false; + this.groupsNeedUpdate = false; - } + } - return this; + Object.assign( DirectGeometry.prototype, EventDispatcher.prototype, { - } + computeBoundingBox: Geometry.prototype.computeBoundingBox, + computeBoundingSphere: Geometry.prototype.computeBoundingSphere, - if ( object === this ) { + computeFaceNormals: function () { - console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); - return this; + console.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' ); - } + }, - if ( (object && object.isObject3D) ) { + computeVertexNormals: function () { - if ( object.parent !== null ) { + console.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' ); - object.parent.remove( object ); + }, - } + computeGroups: function ( geometry ) { - object.parent = this; - object.dispatchEvent( { type: 'added' } ); + var group; + var groups = []; + var materialIndex; - this.children.push( object ); + var faces = geometry.faces; - } else { + for ( var i = 0; i < faces.length; i ++ ) { - console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); + var face = faces[ i ]; - } + // materials - return this; + if ( face.materialIndex !== materialIndex ) { - }, + materialIndex = face.materialIndex; - remove: function ( object ) { + if ( group !== undefined ) { - if ( arguments.length > 1 ) { + group.count = ( i * 3 ) - group.start; + groups.push( group ); - for ( var i = 0; i < arguments.length; i ++ ) { + } - this.remove( arguments[ i ] ); + group = { + start: i * 3, + materialIndex: materialIndex + }; } } - var index = this.children.indexOf( object ); - - if ( index !== - 1 ) { - - object.parent = null; - - object.dispatchEvent( { type: 'removed' } ); + if ( group !== undefined ) { - this.children.splice( index, 1 ); + group.count = ( i * 3 ) - group.start; + groups.push( group ); } - }, - - getObjectById: function ( id ) { - - return this.getObjectByProperty( 'id', id ); + this.groups = groups; }, - getObjectByName: function ( name ) { + fromGeometry: function ( geometry ) { - return this.getObjectByProperty( 'name', name ); + var faces = geometry.faces; + var vertices = geometry.vertices; + var faceVertexUvs = geometry.faceVertexUvs; - }, + var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; + var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; - getObjectByProperty: function ( name, value ) { + // morphs - if ( this[ name ] === value ) return this; + var morphTargets = geometry.morphTargets; + var morphTargetsLength = morphTargets.length; - for ( var i = 0, l = this.children.length; i < l; i ++ ) { + var morphTargetsPosition; - var child = this.children[ i ]; - var object = child.getObjectByProperty( name, value ); + if ( morphTargetsLength > 0 ) { - if ( object !== undefined ) { + morphTargetsPosition = []; - return object; + for ( var i = 0; i < morphTargetsLength; i ++ ) { + + morphTargetsPosition[ i ] = []; } + this.morphTargets.position = morphTargetsPosition; + } - return undefined; + var morphNormals = geometry.morphNormals; + var morphNormalsLength = morphNormals.length; - }, + var morphTargetsNormal; - getWorldPosition: function ( optionalTarget ) { + if ( morphNormalsLength > 0 ) { - var result = optionalTarget || new Vector3(); + morphTargetsNormal = []; - this.updateMatrixWorld( true ); + for ( var i = 0; i < morphNormalsLength; i ++ ) { - return result.setFromMatrixPosition( this.matrixWorld ); + morphTargetsNormal[ i ] = []; - }, + } - getWorldQuaternion: function () { + this.morphTargets.normal = morphTargetsNormal; - var position = new Vector3(); - var scale = new Vector3(); + } - return function getWorldQuaternion( optionalTarget ) { + // skins - var result = optionalTarget || new Quaternion(); + var skinIndices = geometry.skinIndices; + var skinWeights = geometry.skinWeights; - this.updateMatrixWorld( true ); + var hasSkinIndices = skinIndices.length === vertices.length; + var hasSkinWeights = skinWeights.length === vertices.length; - this.matrixWorld.decompose( position, result, scale ); + // - return result; + for ( var i = 0; i < faces.length; i ++ ) { - }; + var face = faces[ i ]; - }(), + this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); - getWorldRotation: function () { + var vertexNormals = face.vertexNormals; - var quaternion = new Quaternion(); + if ( vertexNormals.length === 3 ) { - return function getWorldRotation( optionalTarget ) { + this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); - var result = optionalTarget || new Euler(); + } else { - this.getWorldQuaternion( quaternion ); + var normal = face.normal; - return result.setFromQuaternion( quaternion, this.rotation.order, false ); + this.normals.push( normal, normal, normal ); - }; + } - }(), + var vertexColors = face.vertexColors; - getWorldScale: function () { + if ( vertexColors.length === 3 ) { - var position = new Vector3(); - var quaternion = new Quaternion(); + this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); - return function getWorldScale( optionalTarget ) { + } else { - var result = optionalTarget || new Vector3(); + var color = face.color; - this.updateMatrixWorld( true ); + this.colors.push( color, color, color ); - this.matrixWorld.decompose( position, quaternion, result ); + } - return result; + if ( hasFaceVertexUv === true ) { - }; + var vertexUvs = faceVertexUvs[ 0 ][ i ]; - }(), + if ( vertexUvs !== undefined ) { - getWorldDirection: function () { + this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - var quaternion = new Quaternion(); + } else { - return function getWorldDirection( optionalTarget ) { + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); - var result = optionalTarget || new Vector3(); + this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); - this.getWorldQuaternion( quaternion ); + } - return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); + } - }; - - }(), - - raycast: function () {}, - - traverse: function ( callback ) { - - callback( this ); - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { + if ( hasFaceVertexUv2 === true ) { - children[ i ].traverse( callback ); + var vertexUvs = faceVertexUvs[ 1 ][ i ]; - } + if ( vertexUvs !== undefined ) { - }, + this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - traverseVisible: function ( callback ) { + } else { - if ( this.visible === false ) return; + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); - callback( this ); + this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); - var children = this.children; + } - for ( var i = 0, l = children.length; i < l; i ++ ) { + } - children[ i ].traverseVisible( callback ); + // morphs - } + for ( var j = 0; j < morphTargetsLength; j ++ ) { - }, + var morphTarget = morphTargets[ j ].vertices; - traverseAncestors: function ( callback ) { + morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); - var parent = this.parent; + } - if ( parent !== null ) { + for ( var j = 0; j < morphNormalsLength; j ++ ) { - callback( parent ); + var morphNormal = morphNormals[ j ].vertexNormals[ i ]; - parent.traverseAncestors( callback ); + morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c ); - } + } - }, + // skins - updateMatrix: function () { + if ( hasSkinIndices ) { - this.matrix.compose( this.position, this.quaternion, this.scale ); + this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); - this.matrixWorldNeedsUpdate = true; + } - }, + if ( hasSkinWeights ) { - updateMatrixWorld: function ( force ) { + this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); - if ( this.matrixAutoUpdate === true ) this.updateMatrix(); + } - if ( this.matrixWorldNeedsUpdate === true || force === true ) { + } - if ( this.parent === null ) { + this.computeGroups( geometry ); - this.matrixWorld.copy( this.matrix ); + this.verticesNeedUpdate = geometry.verticesNeedUpdate; + this.normalsNeedUpdate = geometry.normalsNeedUpdate; + this.colorsNeedUpdate = geometry.colorsNeedUpdate; + this.uvsNeedUpdate = geometry.uvsNeedUpdate; + this.groupsNeedUpdate = geometry.groupsNeedUpdate; - } else { + return this; - this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + }, - } + dispose: function () { - this.matrixWorldNeedsUpdate = false; + this.dispatchEvent( { type: 'dispose' } ); - force = true; + } - } + } ); - // update children + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - var children = this.children; + function BufferGeometry() { - for ( var i = 0, l = children.length; i < l; i ++ ) { + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - children[ i ].updateMatrixWorld( force ); + this.uuid = _Math.generateUUID(); - } + this.name = ''; + this.type = 'BufferGeometry'; - }, + this.index = null; + this.attributes = {}; - toJSON: function ( meta ) { + this.morphAttributes = {}; - // meta is '' when called from JSON.stringify - var isRootObject = ( meta === undefined || meta === '' ); + this.groups = []; - var output = {}; + this.boundingBox = null; + this.boundingSphere = null; - // meta is a hash used to collect geometries, materials. - // not providing it implies that this is the root object - // being serialized. - if ( isRootObject ) { + this.drawRange = { start: 0, count: Infinity }; - // initialize meta obj - meta = { - geometries: {}, - materials: {}, - textures: {}, - images: {} - }; + } - output.metadata = { - version: 4.4, - type: 'Object', - generator: 'Object3D.toJSON' - }; + Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, { - } + isBufferGeometry: true, - // standard Object3D serialization + getIndex: function () { - var object = {}; + return this.index; - object.uuid = this.uuid; - object.type = this.type; + }, - if ( this.name !== '' ) object.name = this.name; - if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; - if ( this.castShadow === true ) object.castShadow = true; - if ( this.receiveShadow === true ) object.receiveShadow = true; - if ( this.visible === false ) object.visible = false; + setIndex: function ( index ) { - object.matrix = this.matrix.toArray(); + this.index = index; - // + }, - if ( this.geometry !== undefined ) { + addAttribute: function ( name, attribute ) { - if ( meta.geometries[ this.geometry.uuid ] === undefined ) { + if ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) { - meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); + console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); - } + this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); - object.geometry = this.geometry.uuid; + return; } - if ( this.material !== undefined ) { - - if ( meta.materials[ this.material.uuid ] === undefined ) { - - meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); + if ( name === 'index' ) { - } + console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); + this.setIndex( attribute ); - object.material = this.material.uuid; + return; } - // - - if ( this.children.length > 0 ) { + this.attributes[ name ] = attribute; - object.children = []; + return this; - for ( var i = 0; i < this.children.length; i ++ ) { + }, - object.children.push( this.children[ i ].toJSON( meta ).object ); + getAttribute: function ( name ) { - } + return this.attributes[ name ]; - } + }, - if ( isRootObject ) { + removeAttribute: function ( name ) { - var geometries = extractFromCache( meta.geometries ); - var materials = extractFromCache( meta.materials ); - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); + delete this.attributes[ name ]; - if ( geometries.length > 0 ) output.geometries = geometries; - if ( materials.length > 0 ) output.materials = materials; - if ( textures.length > 0 ) output.textures = textures; - if ( images.length > 0 ) output.images = images; + return this; - } + }, - output.object = object; + addGroup: function ( start, count, materialIndex ) { - return output; + this.groups.push( { - // extract data from the cache hash - // remove metadata on each item - // and return as array - function extractFromCache( cache ) { + start: start, + count: count, + materialIndex: materialIndex !== undefined ? materialIndex : 0 - var values = []; - for ( var key in cache ) { + } ); - var data = cache[ key ]; - delete data.metadata; - values.push( data ); + }, - } - return values; + clearGroups: function () { - } + this.groups = []; }, - clone: function ( recursive ) { + setDrawRange: function ( start, count ) { - return new this.constructor().copy( this, recursive ); + this.drawRange.start = start; + this.drawRange.count = count; }, - copy: function ( source, recursive ) { + applyMatrix: function ( matrix ) { - if ( recursive === undefined ) recursive = true; + var position = this.attributes.position; - this.name = source.name; + if ( position !== undefined ) { - this.up.copy( source.up ); + matrix.applyToVector3Array( position.array ); + position.needsUpdate = true; - this.position.copy( source.position ); - this.quaternion.copy( source.quaternion ); - this.scale.copy( source.scale ); + } - this.matrix.copy( source.matrix ); - this.matrixWorld.copy( source.matrixWorld ); + var normal = this.attributes.normal; - this.matrixAutoUpdate = source.matrixAutoUpdate; - this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + if ( normal !== undefined ) { - this.visible = source.visible; + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - this.castShadow = source.castShadow; - this.receiveShadow = source.receiveShadow; + normalMatrix.applyToVector3Array( normal.array ); + normal.needsUpdate = true; - this.frustumCulled = source.frustumCulled; - this.renderOrder = source.renderOrder; + } - this.userData = JSON.parse( JSON.stringify( source.userData ) ); + if ( this.boundingBox !== null ) { - if ( recursive === true ) { + this.computeBoundingBox(); - for ( var i = 0; i < source.children.length; i ++ ) { + } - var child = source.children[ i ]; - this.add( child.clone() ); + if ( this.boundingSphere !== null ) { - } + this.computeBoundingSphere(); } return this; - } + }, - } ); + rotateX: function () { - var count$2 = 0; - function Object3DIdCount() { return count$2++; } + // rotate geometry around world x-axis - /** - * @author bhouston / http://clara.io - */ + var m1; - function Line3( start, end ) { + return function rotateX( angle ) { - this.start = ( start !== undefined ) ? start : new Vector3(); - this.end = ( end !== undefined ) ? end : new Vector3(); + if ( m1 === undefined ) m1 = new Matrix4(); - } + m1.makeRotationX( angle ); - Line3.prototype = { + this.applyMatrix( m1 ); - constructor: Line3, + return this; - set: function ( start, end ) { + }; - this.start.copy( start ); - this.end.copy( end ); + }(), - return this; + rotateY: function () { - }, + // rotate geometry around world y-axis - clone: function () { + var m1; - return new this.constructor().copy( this ); + return function rotateY( angle ) { - }, + if ( m1 === undefined ) m1 = new Matrix4(); - copy: function ( line ) { + m1.makeRotationY( angle ); - this.start.copy( line.start ); - this.end.copy( line.end ); + this.applyMatrix( m1 ); - return this; + return this; - }, + }; - getCenter: function ( optionalTarget ) { + }(), - var result = optionalTarget || new Vector3(); - return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + rotateZ: function () { - }, + // rotate geometry around world z-axis - delta: function ( optionalTarget ) { + var m1; - var result = optionalTarget || new Vector3(); - return result.subVectors( this.end, this.start ); + return function rotateZ( angle ) { - }, + if ( m1 === undefined ) m1 = new Matrix4(); - distanceSq: function () { + m1.makeRotationZ( angle ); - return this.start.distanceToSquared( this.end ); + this.applyMatrix( m1 ); - }, + return this; - distance: function () { + }; - return this.start.distanceTo( this.end ); + }(), - }, + translate: function () { - at: function ( t, optionalTarget ) { + // translate geometry - var result = optionalTarget || new Vector3(); + var m1; - return this.delta( result ).multiplyScalar( t ).add( this.start ); + return function translate( x, y, z ) { - }, + if ( m1 === undefined ) m1 = new Matrix4(); - closestPointToPointParameter: function () { + m1.makeTranslation( x, y, z ); - var startP = new Vector3(); - var startEnd = new Vector3(); + this.applyMatrix( m1 ); - return function closestPointToPointParameter( point, clampToLine ) { + return this; - startP.subVectors( point, this.start ); - startEnd.subVectors( this.end, this.start ); + }; - var startEnd2 = startEnd.dot( startEnd ); - var startEnd_startP = startEnd.dot( startP ); + }(), - var t = startEnd_startP / startEnd2; + scale: function () { - if ( clampToLine ) { + // scale geometry - t = _Math.clamp( t, 0, 1 ); + var m1; - } + return function scale( x, y, z ) { - return t; + if ( m1 === undefined ) m1 = new Matrix4(); + + m1.makeScale( x, y, z ); + + this.applyMatrix( m1 ); + + return this; }; }(), - closestPointToPoint: function ( point, clampToLine, optionalTarget ) { + lookAt: function () { - var t = this.closestPointToPointParameter( point, clampToLine ); + var obj; - var result = optionalTarget || new Vector3(); + return function lookAt( vector ) { - return this.delta( result ).multiplyScalar( t ).add( this.start ); + if ( obj === undefined ) obj = new Object3D(); - }, + obj.lookAt( vector ); - applyMatrix4: function ( matrix ) { + obj.updateMatrix(); - this.start.applyMatrix4( matrix ); - this.end.applyMatrix4( matrix ); + this.applyMatrix( obj.matrix ); - return this; + }; - }, + }(), - equals: function ( line ) { + center: function () { - return line.start.equals( this.start ) && line.end.equals( this.end ); + this.computeBoundingBox(); - } + var offset = this.boundingBox.getCenter().negate(); - }; + this.translate( offset.x, offset.y, offset.z ); - /** - * @author bhouston / http://clara.io - * @author mrdoob / http://mrdoob.com/ - */ + return offset; - function Triangle( a, b, c ) { + }, - this.a = ( a !== undefined ) ? a : new Vector3(); - this.b = ( b !== undefined ) ? b : new Vector3(); - this.c = ( c !== undefined ) ? c : new Vector3(); + setFromObject: function ( object ) { - } + // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); - Triangle.normal = function () { + var geometry = object.geometry; - var v0 = new Vector3(); + if ( (object && object.isPoints) || (object && object.isLine) ) { - return function normal( a, b, c, optionalTarget ) { + var positions = new Float32Attribute( geometry.vertices.length * 3, 3 ); + var colors = new Float32Attribute( geometry.colors.length * 3, 3 ); - var result = optionalTarget || new Vector3(); + this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); + this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); - result.subVectors( c, b ); - v0.subVectors( a, b ); - result.cross( v0 ); + if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { - var resultLengthSq = result.lengthSq(); - if ( resultLengthSq > 0 ) { + var lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 ); - return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); + this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); - } + } - return result.set( 0, 0, 0 ); + if ( geometry.boundingSphere !== null ) { - }; + this.boundingSphere = geometry.boundingSphere.clone(); - }(); + } - // static/instance method to calculate barycentric coordinates - // based on: http://www.blackpawn.com/texts/pointinpoly/default.html - Triangle.barycoordFromPoint = function () { + if ( geometry.boundingBox !== null ) { - var v0 = new Vector3(); - var v1 = new Vector3(); - var v2 = new Vector3(); + this.boundingBox = geometry.boundingBox.clone(); - return function barycoordFromPoint( point, a, b, c, optionalTarget ) { + } - v0.subVectors( c, a ); - v1.subVectors( b, a ); - v2.subVectors( point, a ); + } else if ( (object && object.isMesh) ) { - var dot00 = v0.dot( v0 ); - var dot01 = v0.dot( v1 ); - var dot02 = v0.dot( v2 ); - var dot11 = v1.dot( v1 ); - var dot12 = v1.dot( v2 ); + if ( (geometry && geometry.isGeometry) ) { - var denom = ( dot00 * dot11 - dot01 * dot01 ); + this.fromGeometry( geometry ); - var result = optionalTarget || new Vector3(); + } - // collinear or singular triangle - if ( denom === 0 ) { + } - // arbitrary location outside of triangle? - // not sure if this is the best idea, maybe should be returning undefined - return result.set( - 2, - 1, - 1 ); + return this; - } + }, - var invDenom = 1 / denom; - var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; - var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + updateFromObject: function ( object ) { - // barycentric coordinates must always sum to 1 - return result.set( 1 - u - v, v, u ); + var geometry = object.geometry; - }; + if ( (object && object.isMesh) ) { - }(); + var direct = geometry.__directGeometry; - Triangle.containsPoint = function () { + if ( geometry.elementsNeedUpdate === true ) { - var v1 = new Vector3(); + direct = undefined; + geometry.elementsNeedUpdate = false; - return function containsPoint( point, a, b, c ) { + } - var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); + if ( direct === undefined ) { - return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); + return this.fromGeometry( geometry ); - }; + } - }(); + direct.verticesNeedUpdate = geometry.verticesNeedUpdate; + direct.normalsNeedUpdate = geometry.normalsNeedUpdate; + direct.colorsNeedUpdate = geometry.colorsNeedUpdate; + direct.uvsNeedUpdate = geometry.uvsNeedUpdate; + direct.groupsNeedUpdate = geometry.groupsNeedUpdate; - Triangle.prototype = { + geometry.verticesNeedUpdate = false; + geometry.normalsNeedUpdate = false; + geometry.colorsNeedUpdate = false; + geometry.uvsNeedUpdate = false; + geometry.groupsNeedUpdate = false; - constructor: Triangle, + geometry = direct; - set: function ( a, b, c ) { + } - this.a.copy( a ); - this.b.copy( b ); - this.c.copy( c ); - - return this; - - }, + var attribute; - setFromPointsAndIndices: function ( points, i0, i1, i2 ) { + if ( geometry.verticesNeedUpdate === true ) { - this.a.copy( points[ i0 ] ); - this.b.copy( points[ i1 ] ); - this.c.copy( points[ i2 ] ); + attribute = this.attributes.position; - return this; + if ( attribute !== undefined ) { - }, + attribute.copyVector3sArray( geometry.vertices ); + attribute.needsUpdate = true; - clone: function () { + } - return new this.constructor().copy( this ); + geometry.verticesNeedUpdate = false; - }, + } - copy: function ( triangle ) { + if ( geometry.normalsNeedUpdate === true ) { - this.a.copy( triangle.a ); - this.b.copy( triangle.b ); - this.c.copy( triangle.c ); + attribute = this.attributes.normal; - return this; + if ( attribute !== undefined ) { - }, + attribute.copyVector3sArray( geometry.normals ); + attribute.needsUpdate = true; - area: function () { + } - var v0 = new Vector3(); - var v1 = new Vector3(); + geometry.normalsNeedUpdate = false; - return function area() { + } - v0.subVectors( this.c, this.b ); - v1.subVectors( this.a, this.b ); + if ( geometry.colorsNeedUpdate === true ) { - return v0.cross( v1 ).length() * 0.5; + attribute = this.attributes.color; - }; + if ( attribute !== undefined ) { - }(), + attribute.copyColorsArray( geometry.colors ); + attribute.needsUpdate = true; - midpoint: function ( optionalTarget ) { + } - var result = optionalTarget || new Vector3(); - return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + geometry.colorsNeedUpdate = false; - }, + } - normal: function ( optionalTarget ) { + if ( geometry.uvsNeedUpdate ) { - return Triangle.normal( this.a, this.b, this.c, optionalTarget ); + attribute = this.attributes.uv; - }, + if ( attribute !== undefined ) { - plane: function ( optionalTarget ) { + attribute.copyVector2sArray( geometry.uvs ); + attribute.needsUpdate = true; - var result = optionalTarget || new Plane(); + } - return result.setFromCoplanarPoints( this.a, this.b, this.c ); + geometry.uvsNeedUpdate = false; - }, + } - barycoordFromPoint: function ( point, optionalTarget ) { + if ( geometry.lineDistancesNeedUpdate ) { - return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); + attribute = this.attributes.lineDistance; - }, + if ( attribute !== undefined ) { - containsPoint: function ( point ) { + attribute.copyArray( geometry.lineDistances ); + attribute.needsUpdate = true; - return Triangle.containsPoint( point, this.a, this.b, this.c ); + } - }, + geometry.lineDistancesNeedUpdate = false; - closestPointToPoint: function () { + } - var plane, edgeList, projectedPoint, closestPoint; + if ( geometry.groupsNeedUpdate ) { - return function closestPointToPoint( point, optionalTarget ) { + geometry.computeGroups( object.geometry ); + this.groups = geometry.groups; - if ( plane === undefined ) { + geometry.groupsNeedUpdate = false; - plane = new Plane(); - edgeList = [ new Line3(), new Line3(), new Line3() ]; - projectedPoint = new Vector3(); - closestPoint = new Vector3(); + } - } + return this; - var result = optionalTarget || new Vector3(); - var minDistance = Infinity; + }, - // project the point onto the plane of the triangle + fromGeometry: function ( geometry ) { - plane.setFromCoplanarPoints( this.a, this.b, this.c ); - plane.projectPoint( point, projectedPoint ); + geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); - // check if the projection lies within the triangle + return this.fromDirectGeometry( geometry.__directGeometry ); - if( this.containsPoint( projectedPoint ) === true ) { + }, - // if so, this is the closest point + fromDirectGeometry: function ( geometry ) { - result.copy( projectedPoint ); + var positions = new Float32Array( geometry.vertices.length * 3 ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); - } else { + if ( geometry.normals.length > 0 ) { - // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices + var normals = new Float32Array( geometry.normals.length * 3 ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); - edgeList[ 0 ].set( this.a, this.b ); - edgeList[ 1 ].set( this.b, this.c ); - edgeList[ 2 ].set( this.c, this.a ); + } - for( var i = 0; i < edgeList.length; i ++ ) { + if ( geometry.colors.length > 0 ) { - edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); + var colors = new Float32Array( geometry.colors.length * 3 ); + this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); - var distance = projectedPoint.distanceToSquared( closestPoint ); + } - if( distance < minDistance ) { + if ( geometry.uvs.length > 0 ) { - minDistance = distance; + var uvs = new Float32Array( geometry.uvs.length * 2 ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); - result.copy( closestPoint ); + } - } + if ( geometry.uvs2.length > 0 ) { - } + var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); + this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); - } + } - return result; + if ( geometry.indices.length > 0 ) { - }; + var TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array; + var indices = new TypeArray( geometry.indices.length * 3 ); + this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); - }(), + } - equals: function ( triangle ) { + // groups - return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + this.groups = geometry.groups; - } + // morphs - }; + for ( var name in geometry.morphTargets ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + var array = []; + var morphTargets = geometry.morphTargets[ name ]; - function Face3( a, b, c, normal, color, materialIndex ) { + for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { - this.a = a; - this.b = b; - this.c = c; + var morphTarget = morphTargets[ i ]; - this.normal = (normal && normal.isVector3) ? normal : new Vector3(); - this.vertexNormals = Array.isArray( normal ) ? normal : []; + var attribute = new Float32Attribute( morphTarget.length * 3, 3 ); - this.color = (color && color.isColor) ? color : new Color(); - this.vertexColors = Array.isArray( color ) ? color : []; + array.push( attribute.copyVector3sArray( morphTarget ) ); - this.materialIndex = materialIndex !== undefined ? materialIndex : 0; + } - } + this.morphAttributes[ name ] = array; - Face3.prototype = { + } - constructor: Face3, + // skinning - clone: function () { + if ( geometry.skinIndices.length > 0 ) { - return new this.constructor().copy( this ); + var skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 ); + this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); - }, + } - copy: function ( source ) { + if ( geometry.skinWeights.length > 0 ) { - this.a = source.a; - this.b = source.b; - this.c = source.c; + var skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 ); + this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); - this.normal.copy( source.normal ); - this.color.copy( source.color ); + } - this.materialIndex = source.materialIndex; + // - for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { + if ( geometry.boundingSphere !== null ) { - this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); + this.boundingSphere = geometry.boundingSphere.clone(); } - for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { + if ( geometry.boundingBox !== null ) { - this.vertexColors[ i ] = source.vertexColors[ i ].clone(); + this.boundingBox = geometry.boundingBox.clone(); } return this; - } - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * shading: THREE.SmoothShading, - * depthTest: , - * depthWrite: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: - * } - */ + }, - function MeshBasicMaterial( parameters ) { + computeBoundingBox: function () { - Material.call( this ); + if ( this.boundingBox === null ) { - this.type = 'MeshBasicMaterial'; + this.boundingBox = new Box3(); - this.color = new Color( 0xffffff ); // emissive + } - this.map = null; + var positions = this.attributes.position.array; - this.aoMap = null; - this.aoMapIntensity = 1.0; + if ( positions !== undefined ) { - this.specularMap = null; + this.boundingBox.setFromArray( positions ); - this.alphaMap = null; + } else { - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + this.boundingBox.makeEmpty(); - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + } - this.skinning = false; - this.morphTargets = false; + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { - this.lights = false; + console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); - this.setValues( parameters ); + } - } + }, - MeshBasicMaterial.prototype = Object.create( Material.prototype ); - MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; + computeBoundingSphere: function () { - MeshBasicMaterial.prototype.isMeshBasicMaterial = true; + var box = new Box3(); + var vector = new Vector3(); - MeshBasicMaterial.prototype.copy = function ( source ) { + return function computeBoundingSphere() { - Material.prototype.copy.call( this, source ); + if ( this.boundingSphere === null ) { - this.color.copy( source.color ); + this.boundingSphere = new Sphere(); - this.map = source.map; + } - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + var positions = this.attributes.position; - this.specularMap = source.specularMap; + if ( positions ) { - this.alphaMap = source.alphaMap; + var array = positions.array; + var center = this.boundingSphere.center; - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + box.setFromArray( array ); + box.getCenter( center ); - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + // hoping to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; + var maxRadiusSq = 0; - return this; + for ( var i = 0, il = array.length; i < il; i += 3 ) { - }; + vector.fromArray( array, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function BufferAttribute( array, itemSize, normalized ) { + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); - if ( Array.isArray( array ) ) { + if ( isNaN( this.boundingSphere.radius ) ) { - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); - } + } - this.uuid = _Math.generateUUID(); + } - this.array = array; - this.itemSize = itemSize; - this.count = array !== undefined ? array.length / itemSize : 0; - this.normalized = normalized === true; + }; - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; + }(), - this.version = 0; + computeFaceNormals: function () { - } + // backwards compatibility - BufferAttribute.prototype = { + }, - constructor: BufferAttribute, + computeVertexNormals: function () { - isBufferAttribute: true, + var index = this.index; + var attributes = this.attributes; + var groups = this.groups; - set needsUpdate( value ) { + if ( attributes.position ) { - if ( value === true ) this.version ++; + var positions = attributes.position.array; - }, + if ( attributes.normal === undefined ) { - setArray: function ( array ) { + this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); - if ( Array.isArray( array ) ) { + } else { - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + // reset existing normals to zero - } + var array = attributes.normal.array; - this.count = array !== undefined ? array.length / this.itemSize : 0; - this.array = array; + for ( var i = 0, il = array.length; i < il; i ++ ) { - }, + array[ i ] = 0; - setDynamic: function ( value ) { + } - this.dynamic = value; + } - return this; + var normals = attributes.normal.array; - }, + var vA, vB, vC, - copy: function ( source ) { + pA = new Vector3(), + pB = new Vector3(), + pC = new Vector3(), - this.array = new source.array.constructor( source.array ); - this.itemSize = source.itemSize; - this.count = source.count; - this.normalized = source.normalized; + cb = new Vector3(), + ab = new Vector3(); - this.dynamic = source.dynamic; + // indexed elements - return this; + if ( index ) { - }, + var indices = index.array; - copyAt: function ( index1, attribute, index2 ) { + if ( groups.length === 0 ) { - index1 *= this.itemSize; - index2 *= attribute.itemSize; + this.addGroup( 0, indices.length ); - for ( var i = 0, l = this.itemSize; i < l; i ++ ) { + } - this.array[ index1 + i ] = attribute.array[ index2 + i ]; + for ( var j = 0, jl = groups.length; j < jl; ++ j ) { - } + var group = groups[ j ]; - return this; + var start = group.start; + var count = group.count; - }, + for ( var i = start, il = start + count; i < il; i += 3 ) { - copyArray: function ( array ) { + vA = indices[ i + 0 ] * 3; + vB = indices[ i + 1 ] * 3; + vC = indices[ i + 2 ] * 3; - this.array.set( array ); + pA.fromArray( positions, vA ); + pB.fromArray( positions, vB ); + pC.fromArray( positions, vC ); - return this; + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); - }, + normals[ vA ] += cb.x; + normals[ vA + 1 ] += cb.y; + normals[ vA + 2 ] += cb.z; - copyColorsArray: function ( colors ) { + normals[ vB ] += cb.x; + normals[ vB + 1 ] += cb.y; + normals[ vB + 2 ] += cb.z; - var array = this.array, offset = 0; + normals[ vC ] += cb.x; + normals[ vC + 1 ] += cb.y; + normals[ vC + 2 ] += cb.z; - for ( var i = 0, l = colors.length; i < l; i ++ ) { + } - var color = colors[ i ]; + } - if ( color === undefined ) { + } else { - console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); - color = new Color(); + // non-indexed elements (unconnected triangle soup) - } + for ( var i = 0, il = positions.length; i < il; i += 9 ) { - array[ offset ++ ] = color.r; - array[ offset ++ ] = color.g; - array[ offset ++ ] = color.b; + pA.fromArray( positions, i ); + pB.fromArray( positions, i + 3 ); + pC.fromArray( positions, i + 6 ); - } + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); - return this; + normals[ i ] = cb.x; + normals[ i + 1 ] = cb.y; + normals[ i + 2 ] = cb.z; - }, + normals[ i + 3 ] = cb.x; + normals[ i + 4 ] = cb.y; + normals[ i + 5 ] = cb.z; - copyIndicesArray: function ( indices ) { + normals[ i + 6 ] = cb.x; + normals[ i + 7 ] = cb.y; + normals[ i + 8 ] = cb.z; - var array = this.array, offset = 0; + } - for ( var i = 0, l = indices.length; i < l; i ++ ) { + } - var index = indices[ i ]; + this.normalizeNormals(); - array[ offset ++ ] = index.a; - array[ offset ++ ] = index.b; - array[ offset ++ ] = index.c; + attributes.normal.needsUpdate = true; } - return this; - }, - copyVector2sArray: function ( vectors ) { + merge: function ( geometry, offset ) { - var array = this.array, offset = 0; + if ( (geometry && geometry.isBufferGeometry) === false ) { - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; - var vector = vectors[ i ]; + } - if ( vector === undefined ) { + if ( offset === undefined ) offset = 0; - console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); - vector = new Vector2(); + var attributes = this.attributes; - } - - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - - } - - return this; - - }, + for ( var key in attributes ) { - copyVector3sArray: function ( vectors ) { + if ( geometry.attributes[ key ] === undefined ) continue; - var array = this.array, offset = 0; + var attribute1 = attributes[ key ]; + var attributeArray1 = attribute1.array; - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + var attribute2 = geometry.attributes[ key ]; + var attributeArray2 = attribute2.array; - var vector = vectors[ i ]; + var attributeSize = attribute2.itemSize; - if ( vector === undefined ) { + for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { - console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); - vector = new Vector3(); + attributeArray1[ j ] = attributeArray2[ i ]; } - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; - } return this; }, - copyVector4sArray: function ( vectors ) { - - var array = this.array, offset = 0; + normalizeNormals: function () { - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + var normals = this.attributes.normal.array; - var vector = vectors[ i ]; + var x, y, z, n; - if ( vector === undefined ) { + for ( var i = 0, il = normals.length; i < il; i += 3 ) { - console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); - vector = new Vector4(); + x = normals[ i ]; + y = normals[ i + 1 ]; + z = normals[ i + 2 ]; - } + n = 1.0 / Math.sqrt( x * x + y * y + z * z ); - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; - array[ offset ++ ] = vector.w; + normals[ i ] *= n; + normals[ i + 1 ] *= n; + normals[ i + 2 ] *= n; } - return this; - }, - set: function ( value, offset ) { + toNonIndexed: function () { - if ( offset === undefined ) offset = 0; + if ( this.index === null ) { - this.array.set( value, offset ); + console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); + return this; - return this; + } - }, + var geometry2 = new BufferGeometry(); - getX: function ( index ) { + var indices = this.index.array; + var attributes = this.attributes; - return this.array[ index * this.itemSize ]; + for ( var name in attributes ) { - }, + var attribute = attributes[ name ]; - setX: function ( index, x ) { + var array = attribute.array; + var itemSize = attribute.itemSize; - this.array[ index * this.itemSize ] = x; + var array2 = new array.constructor( indices.length * itemSize ); - return this; + var index = 0, index2 = 0; - }, + for ( var i = 0, l = indices.length; i < l; i ++ ) { - getY: function ( index ) { + index = indices[ i ] * itemSize; - return this.array[ index * this.itemSize + 1 ]; + for ( var j = 0; j < itemSize; j ++ ) { - }, + array2[ index2 ++ ] = array[ index ++ ]; - setY: function ( index, y ) { + } - this.array[ index * this.itemSize + 1 ] = y; + } - return this; + geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); + + } + + return geometry2; }, - getZ: function ( index ) { + toJSON: function () { - return this.array[ index * this.itemSize + 2 ]; + var data = { + metadata: { + version: 4.4, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; - }, + // standard BufferGeometry serialization - setZ: function ( index, z ) { + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; - this.array[ index * this.itemSize + 2 ] = z; + if ( this.parameters !== undefined ) { - return this; + var parameters = this.parameters; - }, + for ( var key in parameters ) { - getW: function ( index ) { + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - return this.array[ index * this.itemSize + 3 ]; + } - }, + return data; - setW: function ( index, w ) { + } - this.array[ index * this.itemSize + 3 ] = w; + data.data = { attributes: {} }; - return this; + var index = this.index; - }, + if ( index !== null ) { - setXY: function ( index, x, y ) { + var array = Array.prototype.slice.call( index.array ); - index *= this.itemSize; + data.data.index = { + type: index.array.constructor.name, + array: array + }; - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; + } - return this; + var attributes = this.attributes; - }, + for ( var key in attributes ) { - setXYZ: function ( index, x, y, z ) { + var attribute = attributes[ key ]; - index *= this.itemSize; + var array = Array.prototype.slice.call( attribute.array ); - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; + data.data.attributes[ key ] = { + itemSize: attribute.itemSize, + type: attribute.array.constructor.name, + array: array, + normalized: attribute.normalized + }; - return this; + } - }, + var groups = this.groups; - setXYZW: function ( index, x, y, z, w ) { + if ( groups.length > 0 ) { - index *= this.itemSize; + data.data.groups = JSON.parse( JSON.stringify( groups ) ); - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; - this.array[ index + 3 ] = w; + } - return this; + var boundingSphere = this.boundingSphere; - }, + if ( boundingSphere !== null ) { - clone: function () { + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; - return new this.constructor().copy( this ); + } - } + return data; - }; + }, - // + clone: function () { - function Int8Attribute( array, itemSize ) { + /* + // Handle primitives - return new BufferAttribute( new Int8Array( array ), itemSize ); + var parameters = this.parameters; - } + if ( parameters !== undefined ) { - function Uint8Attribute( array, itemSize ) { + var values = []; - return new BufferAttribute( new Uint8Array( array ), itemSize ); + for ( var key in parameters ) { - } + values.push( parameters[ key ] ); - function Uint8ClampedAttribute( array, itemSize ) { + } - return new BufferAttribute( new Uint8ClampedArray( array ), itemSize ); + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; - } + } - function Int16Attribute( array, itemSize ) { + return new this.constructor().copy( this ); + */ - return new BufferAttribute( new Int16Array( array ), itemSize ); + return new BufferGeometry().copy( this ); - } + }, - function Uint16Attribute( array, itemSize ) { + copy: function ( source ) { - return new BufferAttribute( new Uint16Array( array ), itemSize ); + var index = source.index; - } + if ( index !== null ) { - function Int32Attribute( array, itemSize ) { + this.setIndex( index.clone() ); - return new BufferAttribute( new Int32Array( array ), itemSize ); + } - } + var attributes = source.attributes; - function Uint32Attribute( array, itemSize ) { + for ( var name in attributes ) { - return new BufferAttribute( new Uint32Array( array ), itemSize ); + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); - } + } - function Float32Attribute( array, itemSize ) { + var groups = source.groups; - return new BufferAttribute( new Float32Array( array ), itemSize ); + for ( var i = 0, l = groups.length; i < l; i ++ ) { - } + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); - function Float64Attribute( array, itemSize ) { + } - return new BufferAttribute( new Float64Array( array ), itemSize ); + return this; - } + }, - // Deprecated + dispose: function () { - function DynamicBufferAttribute( array, itemSize ) { + this.dispatchEvent( { type: 'dispose' } ); - console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); - return new BufferAttribute( array, itemSize ).setDynamic( true ); + } - } + } ); + + BufferGeometry.MaxIndex = 65535; /** * @author mrdoob / http://mrdoob.com/ - * @author kile / http://kile.stravaganza.org/ * @author alteredq / http://alteredqualia.com/ * @author mikael emtinger / http://gomo.se/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author bhouston / http://clara.io + * @author jonobr1 / http://jonobr1.com/ */ - function Geometry() { + function Mesh( geometry, material ) { - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + Object3D.call( this ); - this.uuid = _Math.generateUUID(); + this.type = 'Mesh'; - this.name = ''; - this.type = 'Geometry'; + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); - this.vertices = []; - this.colors = []; - this.faces = []; - this.faceVertexUvs = [ [] ]; + this.drawMode = TrianglesDrawMode; - this.morphTargets = []; - this.morphNormals = []; + this.updateMorphTargets(); - this.skinWeights = []; - this.skinIndices = []; + } - this.lineDistances = []; + Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { - this.boundingBox = null; - this.boundingSphere = null; + constructor: Mesh, - // update flags + isMesh: true, - this.elementsNeedUpdate = false; - this.verticesNeedUpdate = false; - this.uvsNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.lineDistancesNeedUpdate = false; - this.groupsNeedUpdate = false; + setDrawMode: function ( value ) { - } + this.drawMode = value; - Object.assign( Geometry.prototype, EventDispatcher.prototype, { + }, - isGeometry: true, + copy: function ( source ) { - applyMatrix: function ( matrix ) { + Object3D.prototype.copy.call( this, source ); - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + this.drawMode = source.drawMode; - for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { + return this; - var vertex = this.vertices[ i ]; - vertex.applyMatrix4( matrix ); + }, - } + updateMorphTargets: function () { - for ( var i = 0, il = this.faces.length; i < il; i ++ ) { + var morphTargets = this.geometry.morphTargets; - var face = this.faces[ i ]; - face.normal.applyMatrix3( normalMatrix ).normalize(); + if ( morphTargets !== undefined && morphTargets.length > 0 ) { - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; - face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); + for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ morphTargets[ m ].name ] = m; } } - if ( this.boundingBox !== null ) { + }, - this.computeBoundingBox(); + raycast: ( function () { - } + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - if ( this.boundingSphere !== null ) { + var vA = new Vector3(); + var vB = new Vector3(); + var vC = new Vector3(); - this.computeBoundingSphere(); + var tempA = new Vector3(); + var tempB = new Vector3(); + var tempC = new Vector3(); - } + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); - this.verticesNeedUpdate = true; - this.normalsNeedUpdate = true; + var barycoord = new Vector3(); - return this; + var intersectionPoint = new Vector3(); + var intersectionPointWorld = new Vector3(); - }, + function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { - rotateX: function () { + Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); - // rotate geometry around world x-axis + uv1.multiplyScalar( barycoord.x ); + uv2.multiplyScalar( barycoord.y ); + uv3.multiplyScalar( barycoord.z ); - var m1; + uv1.add( uv2 ).add( uv3 ); - return function rotateX( angle ) { + return uv1.clone(); - if ( m1 === undefined ) m1 = new Matrix4(); + } - m1.makeRotationX( angle ); + function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { - this.applyMatrix( m1 ); + var intersect; + var material = object.material; - return this; + if ( material.side === BackSide ) { - }; + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); - }(), + } else { - rotateY: function () { + intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); - // rotate geometry around world y-axis + } - var m1; + if ( intersect === null ) return null; - return function rotateY( angle ) { + intersectionPointWorld.copy( point ); + intersectionPointWorld.applyMatrix4( object.matrixWorld ); - if ( m1 === undefined ) m1 = new Matrix4(); + var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld ); - m1.makeRotationY( angle ); + if ( distance < raycaster.near || distance > raycaster.far ) return null; - this.applyMatrix( m1 ); + return { + distance: distance, + point: intersectionPointWorld.clone(), + object: object + }; - return this; + } - }; + function checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) { - }(), + vA.fromArray( positions, a * 3 ); + vB.fromArray( positions, b * 3 ); + vC.fromArray( positions, c * 3 ); - rotateZ: function () { + var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); - // rotate geometry around world z-axis + if ( intersection ) { - var m1; + if ( uvs ) { - return function rotateZ( angle ) { + uvA.fromArray( uvs, a * 2 ); + uvB.fromArray( uvs, b * 2 ); + uvC.fromArray( uvs, c * 2 ); - if ( m1 === undefined ) m1 = new Matrix4(); + intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); - m1.makeRotationZ( angle ); + } - this.applyMatrix( m1 ); + intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); + intersection.faceIndex = a; - return this; + } - }; + return intersection; - }(), + } - translate: function () { + return function raycast( raycaster, intersects ) { - // translate geometry + var geometry = this.geometry; + var material = this.material; + var matrixWorld = this.matrixWorld; - var m1; + if ( material === undefined ) return; - return function translate( x, y, z ) { + // Checking boundingSphere distance to ray - if ( m1 === undefined ) m1 = new Matrix4(); + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - m1.makeTranslation( x, y, z ); + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - this.applyMatrix( m1 ); + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - return this; + // - }; + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - }(), + // Check boundingBox before continuing - scale: function () { + if ( geometry.boundingBox !== null ) { - // scale geometry + if ( ray.intersectsBox( geometry.boundingBox ) === false ) return; - var m1; + } - return function scale( x, y, z ) { + var uvs, intersection; - if ( m1 === undefined ) m1 = new Matrix4(); + if ( (geometry && geometry.isBufferGeometry) ) { - m1.makeScale( x, y, z ); + var a, b, c; + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - this.applyMatrix( m1 ); + if ( attributes.uv !== undefined ) { - return this; + uvs = attributes.uv.array; - }; + } - }(), + if ( index !== null ) { - lookAt: function () { + var indices = index.array; - var obj; + for ( var i = 0, l = indices.length; i < l; i += 3 ) { - return function lookAt( vector ) { + a = indices[ i ]; + b = indices[ i + 1 ]; + c = indices[ i + 2 ]; - if ( obj === undefined ) obj = new Object3D(); + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); - obj.lookAt( vector ); + if ( intersection ) { - obj.updateMatrix(); + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics + intersects.push( intersection ); - this.applyMatrix( obj.matrix ); + } - }; + } - }(), + } else { - fromBufferGeometry: function ( geometry ) { - var scope = this; + for ( var i = 0, l = positions.length; i < l; i += 9 ) { - var indices = geometry.index !== null ? geometry.index.array : undefined; - var attributes = geometry.attributes; + a = i / 3; + b = a + 1; + c = a + 2; - var positions = attributes.position.array; - var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; - var colors = attributes.color !== undefined ? attributes.color.array : undefined; - var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; - var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; - - if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; - - var tempNormals = []; - var tempUVs = []; - var tempUVs2 = []; - - for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { - - scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); - - if ( normals !== undefined ) { + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); - tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); + if ( intersection ) { - } + intersection.index = a; // triangle number in positions buffer semantics + intersects.push( intersection ); - if ( colors !== undefined ) { + } - scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); + } - } + } - if ( uvs !== undefined ) { + } else if ( (geometry && geometry.isGeometry) ) { - tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); + var fvA, fvB, fvC; + var isFaceMaterial = (material && material.isMultiMaterial); + var materials = isFaceMaterial === true ? material.materials : null; - } + var vertices = geometry.vertices; + var faces = geometry.faces; + var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; + if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; - if ( uvs2 !== undefined ) { + for ( var f = 0, fl = faces.length; f < fl; f ++ ) { - tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); + var face = faces[ f ]; + var faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material; - } + if ( faceMaterial === undefined ) continue; - } + fvA = vertices[ face.a ]; + fvB = vertices[ face.b ]; + fvC = vertices[ face.c ]; - function addFace( a, b, c, materialIndex ) { + if ( faceMaterial.morphTargets === true ) { - var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; - var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; + var morphTargets = geometry.morphTargets; + var morphInfluences = this.morphTargetInfluences; - var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); + vA.set( 0, 0, 0 ); + vB.set( 0, 0, 0 ); + vC.set( 0, 0, 0 ); - scope.faces.push( face ); + for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { - if ( uvs !== undefined ) { + var influence = morphInfluences[ t ]; - scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); + if ( influence === 0 ) continue; - } + var targets = morphTargets[ t ].vertices; - if ( uvs2 !== undefined ) { + vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); + vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); + vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); - scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); + } - } + vA.add( fvA ); + vB.add( fvB ); + vC.add( fvC ); - } + fvA = vA; + fvB = vB; + fvC = vC; - if ( indices !== undefined ) { + } - var groups = geometry.groups; + intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); - if ( groups.length > 0 ) { + if ( intersection ) { - for ( var i = 0; i < groups.length; i ++ ) { + if ( uvs ) { - var group = groups[ i ]; + var uvs_f = uvs[ f ]; + uvA.copy( uvs_f[ 0 ] ); + uvB.copy( uvs_f[ 1 ] ); + uvC.copy( uvs_f[ 2 ] ); - var start = group.start; - var count = group.count; + intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); - for ( var j = start, jl = start + count; j < jl; j += 3 ) { + } - addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); + intersection.face = face; + intersection.faceIndex = f; + intersects.push( intersection ); } } - } else { + } - for ( var i = 0; i < indices.length; i += 3 ) { + }; - addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); + }() ), - } + clone: function () { - } + return new this.constructor( this.geometry, this.material ).copy( this ); - } else { + } - for ( var i = 0; i < positions.length / 3; i += 3 ) { + } ); - addFace( i, i + 1, i + 2 ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - } + function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - } + BufferGeometry.call( this ); - this.computeFaceNormals(); + this.type = 'BoxBufferGeometry'; - if ( geometry.boundingBox !== null ) { + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; - this.boundingBox = geometry.boundingBox.clone(); + var scope = this; - } + // segments + widthSegments = Math.floor( widthSegments ) || 1; + heightSegments = Math.floor( heightSegments ) || 1; + depthSegments = Math.floor( depthSegments ) || 1; - if ( geometry.boundingSphere !== null ) { + // these are used to calculate buffer length + var vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments ); + var indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments ); - this.boundingSphere = geometry.boundingSphere.clone(); + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); - } + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; + var numberOfVertices = 0; - return this; + // group variables + var groupStart = 0; - }, + // build each side of the box geometry + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz - center: function () { + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - this.computeBoundingBox(); + // helper functions - var offset = this.boundingBox.getCenter().negate(); + function calculateVertexCount( w, h, d ) { - this.translate( offset.x, offset.y, offset.z ); + var vertices = 0; - return offset; + // calculate the amount of vertices for each side (plane) + vertices += (w + 1) * (h + 1) * 2; // xy + vertices += (w + 1) * (d + 1) * 2; // xz + vertices += (d + 1) * (h + 1) * 2; // zy - }, + return vertices; - normalize: function () { + } - this.computeBoundingSphere(); + function calculateIndexCount( w, h, d ) { - var center = this.boundingSphere.center; - var radius = this.boundingSphere.radius; + var index = 0; - var s = radius === 0 ? 1 : 1.0 / radius; + // calculate the amount of squares for each side + index += w * h * 2; // xy + index += w * d * 2; // xz + index += d * h * 2; // zy - var matrix = new Matrix4(); - matrix.set( - s, 0, 0, - s * center.x, - 0, s, 0, - s * center.y, - 0, 0, s, - s * center.z, - 0, 0, 0, 1 - ); + return index * 6; // two triangles per square => six vertices per square - this.applyMatrix( matrix ); + } - return this; + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { - }, + var segmentWidth = width / gridX; + var segmentHeight = height / gridY; - computeFaceNormals: function () { + var widthHalf = width / 2; + var heightHalf = height / 2; + var depthHalf = depth / 2; - var cb = new Vector3(), ab = new Vector3(); + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; - for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { + var vertexCounter = 0; + var groupCount = 0; - var face = this.faces[ f ]; + var vector = new Vector3(); - var vA = this.vertices[ face.a ]; - var vB = this.vertices[ face.b ]; - var vC = this.vertices[ face.c ]; + // generate vertices, normals and uvs - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); + for ( var iy = 0; iy < gridY1; iy ++ ) { - cb.normalize(); + var y = iy * segmentHeight - heightHalf; - face.normal.copy( cb ); + for ( var ix = 0; ix < gridX1; ix ++ ) { - } + var x = ix * segmentWidth - widthHalf; - }, + // set values to correct vector component + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; - computeVertexNormals: function ( areaWeighted ) { + // now apply vector to vertex buffer + vertices[ vertexBufferOffset ] = vector.x; + vertices[ vertexBufferOffset + 1 ] = vector.y; + vertices[ vertexBufferOffset + 2 ] = vector.z; - if ( areaWeighted === undefined ) areaWeighted = true; + // set values to correct vector component + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; - var v, vl, f, fl, face, vertices; + // now apply vector to normal buffer + normals[ vertexBufferOffset ] = vector.x; + normals[ vertexBufferOffset + 1 ] = vector.y; + normals[ vertexBufferOffset + 2 ] = vector.z; - vertices = new Array( this.vertices.length ); + // uvs + uvs[ uvBufferOffset ] = ix / gridX; + uvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY ); - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + // update offsets and counters + vertexBufferOffset += 3; + uvBufferOffset += 2; + vertexCounter += 1; - vertices[ v ] = new Vector3(); + } } - if ( areaWeighted ) { - - // vertex normals weighted by triangle areas - // http://www.iquilezles.org/www/articles/normals/normals.htm + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment - var vA, vB, vC; - var cb = new Vector3(), ab = new Vector3(); + for ( iy = 0; iy < gridY; iy ++ ) { - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + for ( ix = 0; ix < gridX; ix ++ ) { - face = this.faces[ f ]; + // indices + var a = numberOfVertices + ix + gridX1 * iy; + var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; - vA = this.vertices[ face.a ]; - vB = this.vertices[ face.b ]; - vC = this.vertices[ face.c ]; + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; - vertices[ face.a ].add( cb ); - vertices[ face.b ].add( cb ); - vertices[ face.c ].add( cb ); + // update offsets and counters + indexBufferOffset += 6; + groupCount += 6; } - } else { - - this.computeFaceNormals(); + } - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, materialIndex ); - face = this.faces[ f ]; + // calculate new start value for groups + groupStart += groupCount; - vertices[ face.a ].add( face.normal ); - vertices[ face.b ].add( face.normal ); - vertices[ face.c ].add( face.normal ); + // update total number of vertices + numberOfVertices += vertexCounter; - } + } - } + } - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; - vertices[ v ].normalize(); + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ - } + function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + BufferGeometry.call( this ); - face = this.faces[ f ]; + this.type = 'PlaneBufferGeometry'; - var vertexNormals = face.vertexNormals; + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; - if ( vertexNormals.length === 3 ) { + var width_half = width / 2; + var height_half = height / 2; - vertexNormals[ 0 ].copy( vertices[ face.a ] ); - vertexNormals[ 1 ].copy( vertices[ face.b ] ); - vertexNormals[ 2 ].copy( vertices[ face.c ] ); + var gridX = Math.floor( widthSegments ) || 1; + var gridY = Math.floor( heightSegments ) || 1; - } else { + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; - vertexNormals[ 0 ] = vertices[ face.a ].clone(); - vertexNormals[ 1 ] = vertices[ face.b ].clone(); - vertexNormals[ 2 ] = vertices[ face.c ].clone(); + var segment_width = width / gridX; + var segment_height = height / gridY; - } + var vertices = new Float32Array( gridX1 * gridY1 * 3 ); + var normals = new Float32Array( gridX1 * gridY1 * 3 ); + var uvs = new Float32Array( gridX1 * gridY1 * 2 ); - } + var offset = 0; + var offset2 = 0; - if ( this.faces.length > 0 ) { + for ( var iy = 0; iy < gridY1; iy ++ ) { - this.normalsNeedUpdate = true; + var y = iy * segment_height - height_half; - } + for ( var ix = 0; ix < gridX1; ix ++ ) { - }, + var x = ix * segment_width - width_half; - computeFlatVertexNormals: function () { + vertices[ offset ] = x; + vertices[ offset + 1 ] = - y; - var f, fl, face; + normals[ offset + 2 ] = 1; - this.computeFaceNormals(); + uvs[ offset2 ] = ix / gridX; + uvs[ offset2 + 1 ] = 1 - ( iy / gridY ); - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + offset += 3; + offset2 += 2; - face = this.faces[ f ]; + } - var vertexNormals = face.vertexNormals; + } - if ( vertexNormals.length === 3 ) { + offset = 0; - vertexNormals[ 0 ].copy( face.normal ); - vertexNormals[ 1 ].copy( face.normal ); - vertexNormals[ 2 ].copy( face.normal ); + var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 ); - } else { + for ( var iy = 0; iy < gridY; iy ++ ) { - vertexNormals[ 0 ] = face.normal.clone(); - vertexNormals[ 1 ] = face.normal.clone(); - vertexNormals[ 2 ] = face.normal.clone(); + for ( var ix = 0; ix < gridX; ix ++ ) { - } + var a = ix + gridX1 * iy; + var b = ix + gridX1 * ( iy + 1 ); + var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = ( ix + 1 ) + gridX1 * iy; - } + indices[ offset ] = a; + indices[ offset + 1 ] = b; + indices[ offset + 2 ] = d; - if ( this.faces.length > 0 ) { + indices[ offset + 3 ] = b; + indices[ offset + 4 ] = c; + indices[ offset + 5 ] = d; - this.normalsNeedUpdate = true; + offset += 6; } - }, + } - computeMorphNormals: function () { + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - var i, il, f, fl, face; + } - // save original normals - // - create temp variables on first access - // otherwise just copy (for faster repeated calls) + PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author WestLangley / http://github.com/WestLangley + */ - face = this.faces[ f ]; + function Camera() { - if ( ! face.__originalFaceNormal ) { + Object3D.call( this ); - face.__originalFaceNormal = face.normal.clone(); + this.type = 'Camera'; - } else { + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); - face.__originalFaceNormal.copy( face.normal ); + } - } + Camera.prototype = Object.create( Object3D.prototype ); + Camera.prototype.constructor = Camera; - if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; + Camera.prototype.isCamera = true; - for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { + Camera.prototype.getWorldDirection = function () { - if ( ! face.__originalVertexNormals[ i ] ) { + var quaternion = new Quaternion(); - face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); + return function getWorldDirection( optionalTarget ) { - } else { + var result = optionalTarget || new Vector3(); - face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); + this.getWorldQuaternion( quaternion ); - } + return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); - } + }; - } + }(); - // use temp geometry to compute face and vertex normals for each morph + Camera.prototype.lookAt = function () { - var tmpGeo = new Geometry(); - tmpGeo.faces = this.faces; + // This routine does not support cameras with rotated and/or translated parent(s) - for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { + var m1 = new Matrix4(); - // create on first access + return function lookAt( vector ) { - if ( ! this.morphNormals[ i ] ) { + m1.lookAt( this.position, vector, this.up ); - this.morphNormals[ i ] = {}; - this.morphNormals[ i ].faceNormals = []; - this.morphNormals[ i ].vertexNormals = []; + this.quaternion.setFromRotationMatrix( m1 ); - var dstNormalsFace = this.morphNormals[ i ].faceNormals; - var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; + }; - var faceNormal, vertexNormals; + }(); - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + Camera.prototype.clone = function () { - faceNormal = new Vector3(); - vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; + return new this.constructor().copy( this ); - dstNormalsFace.push( faceNormal ); - dstNormalsVertex.push( vertexNormals ); + }; - } + Camera.prototype.copy = function ( source ) { - } + Object3D.prototype.copy.call( this, source ); - var morphNormals = this.morphNormals[ i ]; + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + this.projectionMatrix.copy( source.projectionMatrix ); - // set vertices to morph target + return this; - tmpGeo.vertices = this.morphTargets[ i ].vertices; + }; - // compute morph normals + /** + * @author mrdoob / http://mrdoob.com/ + * @author greggman / http://games.greggman.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author tschw + */ - tmpGeo.computeFaceNormals(); - tmpGeo.computeVertexNormals(); + function PerspectiveCamera( fov, aspect, near, far ) { - // store morph normals + Camera.call( this ); - var faceNormal, vertexNormals; + this.type = 'PerspectiveCamera'; - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + this.fov = fov !== undefined ? fov : 50; + this.zoom = 1; - face = this.faces[ f ]; + this.near = near !== undefined ? near : 0.1; + this.far = far !== undefined ? far : 2000; + this.focus = 10; - faceNormal = morphNormals.faceNormals[ f ]; - vertexNormals = morphNormals.vertexNormals[ f ]; + this.aspect = aspect !== undefined ? aspect : 1; + this.view = null; - faceNormal.copy( face.normal ); + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) - vertexNormals.a.copy( face.vertexNormals[ 0 ] ); - vertexNormals.b.copy( face.vertexNormals[ 1 ] ); - vertexNormals.c.copy( face.vertexNormals[ 2 ] ); + this.updateProjectionMatrix(); - } + } - } + PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - // restore original normals + constructor: PerspectiveCamera, - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + isPerspectiveCamera: true, - face = this.faces[ f ]; + copy: function ( source ) { - face.normal = face.__originalFaceNormal; - face.vertexNormals = face.__originalVertexNormals; + Camera.prototype.copy.call( this, source ); - } + this.fov = source.fov; + this.zoom = source.zoom; - }, + this.near = source.near; + this.far = source.far; + this.focus = source.focus; - computeTangents: function () { + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); - console.warn( 'THREE.Geometry: .computeTangents() has been removed.' ); + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; - }, + return this; - computeLineDistances: function () { + }, - var d = 0; - var vertices = this.vertices; + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength: function ( focalLength ) { - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + // see http://www.bobatkins.com/photography/technical/field_of_view.html + var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; - if ( i > 0 ) { + this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); - d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); + }, - } + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength: function () { - this.lineDistances[ i ] = d; + var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); - } + return 0.5 * this.getFilmHeight() / vExtentSlope; }, - computeBoundingBox: function () { + getEffectiveFOV: function () { - if ( this.boundingBox === null ) { + return _Math.RAD2DEG * 2 * Math.atan( + Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); - this.boundingBox = new Box3(); + }, - } + getFilmWidth: function () { - this.boundingBox.setFromPoints( this.vertices ); + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); }, - computeBoundingSphere: function () { + getFilmHeight: function () { - if ( this.boundingSphere === null ) { + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); - this.boundingSphere = new Sphere(); + }, - } + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * var w = 1920; + * var h = 1080; + * var fullWidth = w * 3; + * var fullHeight = h * 2; + * + * --A-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { - this.boundingSphere.setFromPoints( this.vertices ); + this.aspect = fullWidth / fullHeight; + + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; + + this.updateProjectionMatrix(); }, - merge: function ( geometry, matrix, materialIndexOffset ) { + clearViewOffset: function() { - if ( (geometry && geometry.isGeometry) === false ) { + this.view = null; + this.updateProjectionMatrix(); - console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); - return; + }, - } + updateProjectionMatrix: function () { - var normalMatrix, - vertexOffset = this.vertices.length, - vertices1 = this.vertices, - vertices2 = geometry.vertices, - faces1 = this.faces, - faces2 = geometry.faces, - uvs1 = this.faceVertexUvs[ 0 ], - uvs2 = geometry.faceVertexUvs[ 0 ], - colors1 = this.colors, - colors2 = geometry.colors; + var near = this.near, + top = near * Math.tan( + _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, + height = 2 * top, + width = this.aspect * height, + left = - 0.5 * width, + view = this.view; - if ( materialIndexOffset === undefined ) materialIndexOffset = 0; + if ( view !== null ) { - if ( matrix !== undefined ) { + var fullWidth = view.fullWidth, + fullHeight = view.fullHeight; - normalMatrix = new Matrix3().getNormalMatrix( matrix ); + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; } - // vertices + var skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); - for ( var i = 0, il = vertices2.length; i < il; i ++ ) { + this.projectionMatrix.makeFrustum( + left, left + width, top - height, top, near, this.far ); - var vertex = vertices2[ i ]; + }, - var vertexCopy = vertex.clone(); + toJSON: function ( meta ) { - if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); + var data = Object3D.prototype.toJSON.call( this, meta ); - vertices1.push( vertexCopy ); + data.object.fov = this.fov; + data.object.zoom = this.zoom; - } + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; - // colors + data.object.aspect = this.aspect; - for ( var i = 0, il = colors2.length; i < il; i ++ ) { + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - colors1.push( colors2[ i ].clone() ); + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; - } + return data; - // faces + } - for ( i = 0, il = faces2.length; i < il; i ++ ) { + } ); - var face = faces2[ i ], faceCopy, normal, color, - faceVertexNormals = face.vertexNormals, - faceVertexColors = face.vertexColors; + /** + * @author alteredq / http://alteredqualia.com/ + * @author arose / http://github.com/arose + */ - faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); - faceCopy.normal.copy( face.normal ); + function OrthographicCamera( left, right, top, bottom, near, far ) { - if ( normalMatrix !== undefined ) { + Camera.call( this ); - faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); + this.type = 'OrthographicCamera'; - } + this.zoom = 1; + this.view = null; - for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; - normal = faceVertexNormals[ j ].clone(); + this.near = ( near !== undefined ) ? near : 0.1; + this.far = ( far !== undefined ) ? far : 2000; - if ( normalMatrix !== undefined ) { + this.updateProjectionMatrix(); - normal.applyMatrix3( normalMatrix ).normalize(); + } - } + OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - faceCopy.vertexNormals.push( normal ); + constructor: OrthographicCamera, - } + isOrthographicCamera: true, - faceCopy.color.copy( face.color ); + copy: function ( source ) { - for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { + Camera.prototype.copy.call( this, source ); - color = faceVertexColors[ j ]; - faceCopy.vertexColors.push( color.clone() ); + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; - } + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); - faceCopy.materialIndex = face.materialIndex + materialIndexOffset; + return this; - faces1.push( faceCopy ); + }, - } + setViewOffset: function( fullWidth, fullHeight, x, y, width, height ) { - // uvs + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; - for ( i = 0, il = uvs2.length; i < il; i ++ ) { + this.updateProjectionMatrix(); - var uv = uvs2[ i ], uvCopy = []; + }, - if ( uv === undefined ) { + clearViewOffset: function() { - continue; + this.view = null; + this.updateProjectionMatrix(); - } + }, - for ( var j = 0, jl = uv.length; j < jl; j ++ ) { + updateProjectionMatrix: function () { - uvCopy.push( uv[ j ].clone() ); + var dx = ( this.right - this.left ) / ( 2 * this.zoom ); + var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + var cx = ( this.right + this.left ) / 2; + var cy = ( this.top + this.bottom ) / 2; - } + var left = cx - dx; + var right = cx + dx; + var top = cy + dy; + var bottom = cy - dy; - uvs1.push( uvCopy ); + if ( this.view !== null ) { + + var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); + var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); + var scaleW = ( this.right - this.left ) / this.view.width; + var scaleH = ( this.top - this.bottom ) / this.view.height; + + left += scaleW * ( this.view.offsetX / zoomW ); + right = left + scaleW * ( this.view.width / zoomW ); + top -= scaleH * ( this.view.offsetY / zoomH ); + bottom = top - scaleH * ( this.view.height / zoomH ); } + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + }, - mergeMesh: function ( mesh ) { + toJSON: function ( meta ) { - if ( (mesh && mesh.isMesh) === false ) { + var data = Object3D.prototype.toJSON.call( this, meta ); - console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); - return; + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; - } + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - mesh.matrixAutoUpdate && mesh.updateMatrix(); + return data; - this.merge( mesh.geometry, mesh.matrix ); + } - }, + } ); - /* - * Checks for duplicate vertices with hashmap. - * Duplicated vertices are removed - * and faces' vertices are updated. - */ + /** + * @author mrdoob / http://mrdoob.com/ + */ - mergeVertices: function () { + function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { - var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) - var unique = [], changes = []; + var mode; - var v, key; - var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 - var precision = Math.pow( 10, precisionPoints ); - var i, il, face; - var indices, j, jl; + function setMode( value ) { - for ( i = 0, il = this.vertices.length; i < il; i ++ ) { + mode = value; - v = this.vertices[ i ]; - key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); + } - if ( verticesMap[ key ] === undefined ) { + var type, size; - verticesMap[ key ] = i; - unique.push( this.vertices[ i ] ); - changes[ i ] = unique.length - 1; + function setIndex( index ) { - } else { + if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { - //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); - changes[ i ] = changes[ verticesMap[ key ] ]; + type = gl.UNSIGNED_INT; + size = 4; - } + } else { + + type = gl.UNSIGNED_SHORT; + size = 2; } + } - // if faces are completely degenerate after merging vertices, we - // have to remove them from the geometry. - var faceIndicesToRemove = []; + function render( start, count ) { - for ( i = 0, il = this.faces.length; i < il; i ++ ) { + gl.drawElements( mode, count, type, start * size ); - face = this.faces[ i ]; + infoRender.calls ++; + infoRender.vertices += count; - face.a = changes[ face.a ]; - face.b = changes[ face.b ]; - face.c = changes[ face.c ]; + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; - indices = [ face.a, face.b, face.c ]; + } - var dupIndex = - 1; + function renderInstances( geometry, start, count ) { - // if any duplicate vertices are found in a Face3 - // we have to remove the face as nothing can be saved - for ( var n = 0; n < 3; n ++ ) { + var extension = extensions.get( 'ANGLE_instanced_arrays' ); - if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { + if ( extension === null ) { - dupIndex = n; - faceIndicesToRemove.push( i ); - break; + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; - } + } - } + extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); - } + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; - for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; - var idx = faceIndicesToRemove[ i ]; + } - this.faces.splice( idx, 1 ); + return { - for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { + setMode: setMode, + setIndex: setIndex, + render: render, + renderInstances: renderInstances - this.faceVertexUvs[ j ].splice( idx, 1 ); + }; - } + } - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - // Use unique set of vertices + function WebGLBufferRenderer( gl, extensions, infoRender ) { - var diff = this.vertices.length - unique.length; - this.vertices = unique; - return diff; + var mode; - }, + function setMode( value ) { - sortFacesByMaterialIndex: function () { + mode = value; - var faces = this.faces; - var length = faces.length; + } - // tag faces + function render( start, count ) { - for ( var i = 0; i < length; i ++ ) { + gl.drawArrays( mode, start, count ); - faces[ i ]._id = i; + infoRender.calls ++; + infoRender.vertices += count; - } + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; - // sort faces + } - function materialIndexSort( a, b ) { + function renderInstances( geometry ) { - return a.materialIndex - b.materialIndex; + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; } - faces.sort( materialIndexSort ); + var position = geometry.attributes.position; - // sort uvs + var count = 0; - var uvs1 = this.faceVertexUvs[ 0 ]; - var uvs2 = this.faceVertexUvs[ 1 ]; + if ( (position && position.isInterleavedBufferAttribute) ) { - var newUvs1, newUvs2; + count = position.data.count; - if ( uvs1 && uvs1.length === length ) newUvs1 = []; - if ( uvs2 && uvs2.length === length ) newUvs2 = []; + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); - for ( var i = 0; i < length; i ++ ) { + } else { - var id = faces[ i ]._id; + count = position.count; - if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); - if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); } - if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; - if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; - }, + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; - toJSON: function () { + } - var data = { - metadata: { - version: 4.4, - type: 'Geometry', - generator: 'Geometry.toJSON' - } - }; + return { + setMode: setMode, + render: render, + renderInstances: renderInstances + }; - // standard Geometry serialization + } - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( this.parameters !== undefined ) { + function WebGLLights() { - var parameters = this.parameters; + var lights = {}; - for ( var key in parameters ) { + return { - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; } - return data; + var uniforms; - } + switch ( light.type ) { - var vertices = []; + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color(), - for ( var i = 0; i < this.vertices.length; i ++ ) { + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - var vertex = this.vertices[ i ]; - vertices.push( vertex.x, vertex.y, vertex.z ); + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0, - } + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - var faces = []; - var normals = []; - var normalsHash = {}; - var colors = []; - var colorsHash = {}; - var uvs = []; - var uvsHash = {}; + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0, - for ( var i = 0; i < this.faces.length; i ++ ) { + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - var face = this.faces[ i ]; + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; - var hasMaterial = true; - var hasFaceUv = false; // deprecated - var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; - var hasFaceNormal = face.normal.length() > 0; - var hasFaceVertexNormal = face.vertexNormals.length > 0; - var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; - var hasFaceVertexColor = face.vertexColors.length > 0; + } - var faceType = 0; + lights[ light.id ] = uniforms; - faceType = setBit( faceType, 0, 0 ); // isQuad - faceType = setBit( faceType, 1, hasMaterial ); - faceType = setBit( faceType, 2, hasFaceUv ); - faceType = setBit( faceType, 3, hasFaceVertexUv ); - faceType = setBit( faceType, 4, hasFaceNormal ); - faceType = setBit( faceType, 5, hasFaceVertexNormal ); - faceType = setBit( faceType, 6, hasFaceColor ); - faceType = setBit( faceType, 7, hasFaceVertexColor ); + return uniforms; - faces.push( faceType ); - faces.push( face.a, face.b, face.c ); - faces.push( face.materialIndex ); + } - if ( hasFaceVertexUv ) { + }; - var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; + } - faces.push( - getUvIndex( faceVertexUvs[ 0 ] ), - getUvIndex( faceVertexUvs[ 1 ] ), - getUvIndex( faceVertexUvs[ 2 ] ) - ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function addLineNumbers( string ) { - if ( hasFaceNormal ) { + var lines = string.split( '\n' ); - faces.push( getNormalIndex( face.normal ) ); + for ( var i = 0; i < lines.length; i ++ ) { - } + lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; - if ( hasFaceVertexNormal ) { + } - var vertexNormals = face.vertexNormals; + return lines.join( '\n' ); - faces.push( - getNormalIndex( vertexNormals[ 0 ] ), - getNormalIndex( vertexNormals[ 1 ] ), - getNormalIndex( vertexNormals[ 2 ] ) - ); + } - } + function WebGLShader( gl, type, string ) { - if ( hasFaceColor ) { + var shader = gl.createShader( type ); - faces.push( getColorIndex( face.color ) ); + gl.shaderSource( shader, string ); + gl.compileShader( shader ); - } + if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { - if ( hasFaceVertexColor ) { + console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); - var vertexColors = face.vertexColors; + } - faces.push( - getColorIndex( vertexColors[ 0 ] ), - getColorIndex( vertexColors[ 1 ] ), - getColorIndex( vertexColors[ 2 ] ) - ); + if ( gl.getShaderInfoLog( shader ) !== '' ) { - } + console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); - } + } - function setBit( value, position, enabled ) { + // --enable-privileged-webgl-extension + // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); - return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); + return shader; - } + } - function getNormalIndex( normal ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); + var programIdCount = 0; - if ( normalsHash[ hash ] !== undefined ) { + function getEncodingComponents( encoding ) { - return normalsHash[ hash ]; + switch ( encoding ) { - } + case LinearEncoding: + return [ 'Linear','( value )' ]; + case sRGBEncoding: + return [ 'sRGB','( value )' ]; + case RGBEEncoding: + return [ 'RGBE','( value )' ]; + case RGBM7Encoding: + return [ 'RGBM','( value, 7.0 )' ]; + case RGBM16Encoding: + return [ 'RGBM','( value, 16.0 )' ]; + case RGBDEncoding: + return [ 'RGBD','( value, 256.0 )' ]; + case GammaEncoding: + return [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ]; + default: + throw new Error( 'unsupported encoding: ' + encoding ); - normalsHash[ hash ] = normals.length / 3; - normals.push( normal.x, normal.y, normal.z ); + } - return normalsHash[ hash ]; + } - } + function getTexelDecodingFunction( functionName, encoding ) { - function getColorIndex( color ) { + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return " + components[ 0 ] + "ToLinear" + components[ 1 ] + "; }"; - var hash = color.r.toString() + color.g.toString() + color.b.toString(); + } - if ( colorsHash[ hash ] !== undefined ) { + function getTexelEncodingFunction( functionName, encoding ) { - return colorsHash[ hash ]; + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[ 0 ] + components[ 1 ] + "; }"; - } + } - colorsHash[ hash ] = colors.length; - colors.push( color.getHex() ); + function getToneMappingFunction( functionName, toneMapping ) { - return colorsHash[ hash ]; + var toneMappingName; - } + switch ( toneMapping ) { - function getUvIndex( uv ) { + case LinearToneMapping: + toneMappingName = "Linear"; + break; - var hash = uv.x.toString() + uv.y.toString(); + case ReinhardToneMapping: + toneMappingName = "Reinhard"; + break; - if ( uvsHash[ hash ] !== undefined ) { + case Uncharted2ToneMapping: + toneMappingName = "Uncharted2"; + break; - return uvsHash[ hash ]; + case CineonToneMapping: + toneMappingName = "OptimizedCineon"; + break; - } + default: + throw new Error( 'unsupported toneMapping: ' + toneMapping ); - uvsHash[ hash ] = uvs.length / 2; - uvs.push( uv.x, uv.y ); + } - return uvsHash[ hash ]; + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; - } + } - data.data = {}; + function generateExtensions( extensions, parameters, rendererExtensions ) { - data.data.vertices = vertices; - data.data.normals = normals; - if ( colors.length > 0 ) data.data.colors = colors; - if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility - data.data.faces = faces; + extensions = extensions || {}; - return data; + var chunks = [ + ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', + ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '', + ]; - }, + return chunks.filter( filterEmptyLine ).join( '\n' ); - clone: function () { + } - /* - // Handle primitives + function generateDefines( defines ) { - var parameters = this.parameters; + var chunks = []; - if ( parameters !== undefined ) { + for ( var name in defines ) { - var values = []; + var value = defines[ name ]; - for ( var key in parameters ) { + if ( value === false ) continue; - values.push( parameters[ key ] ); + chunks.push( '#define ' + name + ' ' + value ); - } + } - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; + return chunks.join( '\n' ); - } + } - return new this.constructor().copy( this ); - */ + function fetchAttributeLocations( gl, program, identifiers ) { - return new Geometry().copy( this ); + var attributes = {}; - }, + var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); - copy: function ( source ) { + for ( var i = 0; i < n; i ++ ) { - this.vertices = []; - this.faces = []; - this.faceVertexUvs = [ [] ]; - this.colors = []; + var info = gl.getActiveAttrib( program, i ); + var name = info.name; - var vertices = source.vertices; + // console.log("THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:", name, i ); - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + attributes[ name ] = gl.getAttribLocation( program, name ); - this.vertices.push( vertices[ i ].clone() ); + } - } + return attributes; - var colors = source.colors; + } - for ( var i = 0, il = colors.length; i < il; i ++ ) { + function filterEmptyLine( string ) { - this.colors.push( colors[ i ].clone() ); + return string !== ''; - } + } - var faces = source.faces; + function replaceLightNums( string, parameters ) { - for ( var i = 0, il = faces.length; i < il; i ++ ) { + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ); - this.faces.push( faces[ i ].clone() ); + } - } + function parseIncludes( string ) { - for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { + var pattern = /#include +<([\w\d.]+)>/g; - var faceVertexUvs = source.faceVertexUvs[ i ]; + function replace( match, include ) { - if ( this.faceVertexUvs[ i ] === undefined ) { + var replace = ShaderChunk[ include ]; - this.faceVertexUvs[ i ] = []; + if ( replace === undefined ) { - } + throw new Error( 'Can not resolve #include <' + include + '>' ); - for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { + } - var uvs = faceVertexUvs[ j ], uvsCopy = []; + return parseIncludes( replace ); - for ( var k = 0, kl = uvs.length; k < kl; k ++ ) { + } - var uv = uvs[ k ]; + return string.replace( pattern, replace ); - uvsCopy.push( uv.clone() ); + } - } + function unrollLoops( string ) { - this.faceVertexUvs[ i ].push( uvsCopy ); + var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; - } + function replace( match, start, end, snippet ) { - } + var unroll = ''; - return this; + for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { - }, + unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); - dispose: function () { + } - this.dispatchEvent( { type: 'dispose' } ); + return unroll; } - } ); + return string.replace( pattern, replace ); - var count$3 = 0; - function GeometryIdCount() { return count$3++; } + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + function WebGLProgram( renderer, code, material, parameters ) { - function DirectGeometry() { + var gl = renderer.context; - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + var extensions = material.extensions; + var defines = material.defines; - this.uuid = _Math.generateUUID(); + var vertexShader = material.__webglShader.vertexShader; + var fragmentShader = material.__webglShader.fragmentShader; - this.name = ''; - this.type = 'DirectGeometry'; + var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; - this.indices = []; - this.vertices = []; - this.normals = []; - this.colors = []; - this.uvs = []; - this.uvs2 = []; + if ( parameters.shadowMapType === PCFShadowMap ) { - this.groups = []; + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; - this.morphTargets = {}; + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { - this.skinWeights = []; - this.skinIndices = []; + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; - // this.lineDistances = []; + } - this.boundingBox = null; - this.boundingSphere = null; + var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - // update flags + if ( parameters.envMap ) { - this.verticesNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.uvsNeedUpdate = false; - this.groupsNeedUpdate = false; + switch ( material.envMap.mapping ) { - } + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; - Object.assign( DirectGeometry.prototype, EventDispatcher.prototype, { + case CubeUVReflectionMapping: + case CubeUVRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; - computeBoundingBox: Geometry.prototype.computeBoundingBox, - computeBoundingSphere: Geometry.prototype.computeBoundingSphere, + case EquirectangularReflectionMapping: + case EquirectangularRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; + break; - computeFaceNormals: function () { + case SphericalReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; + break; - console.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' ); + } - }, + switch ( material.envMap.mapping ) { - computeVertexNormals: function () { + case CubeRefractionMapping: + case EquirectangularRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; - console.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' ); + } - }, + switch ( material.combine ) { - computeGroups: function ( geometry ) { + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; - var group; - var groups = []; - var materialIndex; + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; - var faces = geometry.faces; + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; - for ( var i = 0; i < faces.length; i ++ ) { + } - var face = faces[ i ]; + } - // materials + var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; - if ( face.materialIndex !== materialIndex ) { + // console.log( 'building new program ' ); - materialIndex = face.materialIndex; + // - if ( group !== undefined ) { + var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); - group.count = ( i * 3 ) - group.start; - groups.push( group ); + var customDefines = generateDefines( defines ); - } + // - group = { - start: i * 3, - materialIndex: materialIndex - }; + var program = gl.createProgram(); - } + var prefixVertex, prefixFragment; - } + if ( material.isRawShaderMaterial ) { - if ( group !== undefined ) { + prefixVertex = [ - group.count = ( i * 3 ) - group.start; - groups.push( group ); + customDefines, - } + '\n' - this.groups = groups; + ].filter( filterEmptyLine ).join( '\n' ); - }, + prefixFragment = [ - fromGeometry: function ( geometry ) { + customExtensions, + customDefines, - var faces = geometry.faces; - var vertices = geometry.vertices; - var faceVertexUvs = geometry.faceVertexUvs; + '\n' - var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; - var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; + ].filter( filterEmptyLine ).join( '\n' ); - // morphs + } else { - var morphTargets = geometry.morphTargets; - var morphTargetsLength = morphTargets.length; + prefixVertex = [ - var morphTargetsPosition; + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', - if ( morphTargetsLength > 0 ) { + '#define SHADER_NAME ' + material.__webglShader.name, - morphTargetsPosition = []; + customDefines, - for ( var i = 0; i < morphTargetsLength; i ++ ) { + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', - morphTargetsPosition[ i ] = []; + '#define GAMMA_FACTOR ' + gammaFactorDefine, - } + '#define MAX_BONES ' + parameters.maxBones, - this.morphTargets.position = morphTargetsPosition; + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', - } + parameters.flatShading ? '#define FLAT_SHADED' : '', - var morphNormals = geometry.morphNormals; - var morphNormalsLength = morphNormals.length; + parameters.skinning ? '#define USE_SKINNING' : '', + parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', - var morphTargetsNormal; + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', - if ( morphNormalsLength > 0 ) { + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, - morphTargetsNormal = []; + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - for ( var i = 0; i < morphNormalsLength; i ++ ) { + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', - morphTargetsNormal[ i ] = []; + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - } + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', - this.morphTargets.normal = morphTargetsNormal; + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', - } + '#ifdef USE_COLOR', - // skins + ' attribute vec3 color;', - var skinIndices = geometry.skinIndices; - var skinWeights = geometry.skinWeights; + '#endif', - var hasSkinIndices = skinIndices.length === vertices.length; - var hasSkinWeights = skinWeights.length === vertices.length; + '#ifdef USE_MORPHTARGETS', - // + ' attribute vec3 morphTarget0;', + ' attribute vec3 morphTarget1;', + ' attribute vec3 morphTarget2;', + ' attribute vec3 morphTarget3;', - for ( var i = 0; i < faces.length; i ++ ) { + ' #ifdef USE_MORPHNORMALS', - var face = faces[ i ]; + ' attribute vec3 morphNormal0;', + ' attribute vec3 morphNormal1;', + ' attribute vec3 morphNormal2;', + ' attribute vec3 morphNormal3;', - this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); + ' #else', - var vertexNormals = face.vertexNormals; + ' attribute vec3 morphTarget4;', + ' attribute vec3 morphTarget5;', + ' attribute vec3 morphTarget6;', + ' attribute vec3 morphTarget7;', - if ( vertexNormals.length === 3 ) { + ' #endif', - this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); + '#endif', - } else { + '#ifdef USE_SKINNING', - var normal = face.normal; + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', - this.normals.push( normal, normal, normal ); + '#endif', - } + '\n' - var vertexColors = face.vertexColors; + ].filter( filterEmptyLine ).join( '\n' ); - if ( vertexColors.length === 3 ) { + prefixFragment = [ - this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); + customExtensions, - } else { + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', - var color = face.color; + '#define SHADER_NAME ' + material.__webglShader.name, - this.colors.push( color, color, color ); + customDefines, - } + parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', - if ( hasFaceVertexUv === true ) { + '#define GAMMA_FACTOR ' + gammaFactorDefine, - var vertexUvs = faceVertexUvs[ 0 ][ i ]; + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', - if ( vertexUvs !== undefined ) { + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', - this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + parameters.flatShading ? '#define FLAT_SHADED' : '', - } else { + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), - this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - } + parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : '', - } + parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : '', - if ( hasFaceVertexUv2 === true ) { + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - var vertexUvs = faceVertexUvs[ 1 ][ i ]; + parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', - if ( vertexUvs !== undefined ) { + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', - this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + ( parameters.toneMapping !== NoToneMapping ) ? "#define TONE_MAPPING" : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( "toneMapping", parameters.toneMapping ) : '', - } else { + ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below + parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', + parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', + parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', + parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); + parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', - this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); + '\n' - } + ].filter( filterEmptyLine ).join( '\n' ); - } + } - // morphs + vertexShader = parseIncludes( vertexShader, parameters ); + vertexShader = replaceLightNums( vertexShader, parameters ); - for ( var j = 0; j < morphTargetsLength; j ++ ) { + fragmentShader = parseIncludes( fragmentShader, parameters ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); - var morphTarget = morphTargets[ j ].vertices; + if ( ! material.isShaderMaterial ) { - morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); - } + } - for ( var j = 0; j < morphNormalsLength; j ++ ) { + var vertexGlsl = prefixVertex + vertexShader; + var fragmentGlsl = prefixFragment + fragmentShader; - var morphNormal = morphNormals[ j ].vertexNormals[ i ]; + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); - morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c ); + var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); + var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); - } + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); - // skins + // Force a particular attribute to index 0. - if ( hasSkinIndices ) { + if ( material.index0AttributeName !== undefined ) { - this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); + gl.bindAttribLocation( program, 0, material.index0AttributeName ); - } + } else if ( parameters.morphTargets === true ) { - if ( hasSkinWeights ) { + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); - this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); + } - } + gl.linkProgram( program ); - } + var programLog = gl.getProgramInfoLog( program ); + var vertexLog = gl.getShaderInfoLog( glVertexShader ); + var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); - this.computeGroups( geometry ); + var runnable = true; + var haveDiagnostics = true; - this.verticesNeedUpdate = geometry.verticesNeedUpdate; - this.normalsNeedUpdate = geometry.normalsNeedUpdate; - this.colorsNeedUpdate = geometry.colorsNeedUpdate; - this.uvsNeedUpdate = geometry.uvsNeedUpdate; - this.groupsNeedUpdate = geometry.groupsNeedUpdate; + // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); + // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); - return this; + if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { - }, + runnable = false; - dispose: function () { + console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); - this.dispatchEvent( { type: 'dispose' } ); + } else if ( programLog !== '' ) { - } + console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); - } ); + } else if ( vertexLog === '' || fragmentLog === '' ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + haveDiagnostics = false; - function BufferGeometry() { + } - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + if ( haveDiagnostics ) { - this.uuid = _Math.generateUUID(); + this.diagnostics = { - this.name = ''; - this.type = 'BufferGeometry'; + runnable: runnable, + material: material, - this.index = null; - this.attributes = {}; + programLog: programLog, - this.morphAttributes = {}; + vertexShader: { - this.groups = []; + log: vertexLog, + prefix: prefixVertex - this.boundingBox = null; - this.boundingSphere = null; + }, - this.drawRange = { start: 0, count: Infinity }; + fragmentShader: { - } + log: fragmentLog, + prefix: prefixFragment - Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, { + } - isBufferGeometry: true, + }; - getIndex: function () { + } - return this.index; + // clean up - }, + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); - setIndex: function ( index ) { + // set up caching for uniform locations - this.index = index; + var cachedUniforms; - }, + this.getUniforms = function() { - addAttribute: function ( name, attribute ) { + if ( cachedUniforms === undefined ) { - if ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) { + cachedUniforms = + new WebGLUniforms( gl, program, renderer ); - console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + } - this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + return cachedUniforms; - return; + }; - } + // set up caching for attribute locations - if ( name === 'index' ) { + var cachedAttributes; - console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); - this.setIndex( attribute ); + this.getAttributes = function() { - return; + if ( cachedAttributes === undefined ) { - } + cachedAttributes = fetchAttributeLocations( gl, program ); - this.attributes[ name ] = attribute; + } - return this; + return cachedAttributes; - }, + }; - getAttribute: function ( name ) { + // free resource - return this.attributes[ name ]; + this.destroy = function() { - }, + gl.deleteProgram( program ); + this.program = undefined; - removeAttribute: function ( name ) { + }; - delete this.attributes[ name ]; + // DEPRECATED - return this; + Object.defineProperties( this, { - }, + uniforms: { + get: function() { - addGroup: function ( start, count, materialIndex ) { + console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); + return this.getUniforms(); - this.groups.push( { + } + }, - start: start, - count: count, - materialIndex: materialIndex !== undefined ? materialIndex : 0 + attributes: { + get: function() { - } ); + console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); + return this.getAttributes(); - }, + } + } - clearGroups: function () { + } ); - this.groups = []; - }, + // - setDrawRange: function ( start, count ) { + this.id = programIdCount ++; + this.code = code; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; - this.drawRange.start = start; - this.drawRange.count = count; + return this; - }, + } - applyMatrix: function ( matrix ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var position = this.attributes.position; + function WebGLPrograms( renderer, capabilities ) { - if ( position !== undefined ) { + var programs = []; - matrix.applyToVector3Array( position.array ); - position.needsUpdate = true; + var shaderIDs = { + MeshDepthMaterial: 'depth', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points' + }; - } + var parameterNames = [ + "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", + "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", + "roughnessMap", "metalnessMap", + "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", + "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", + "maxBones", "useVertexTexture", "morphTargets", "morphNormals", + "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", + "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", + "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', + "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" + ]; - var normal = this.attributes.normal; - if ( normal !== undefined ) { + function allocateBones( object ) { - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { - normalMatrix.applyToVector3Array( normal.array ); - normal.needsUpdate = true; + return 1024; - } + } else { - if ( this.boundingBox !== null ) { + // default for when object is not specified + // ( for example when prebuilding shader to be used with multiple objects ) + // + // - leave some extra space for other uniforms + // - limit here is ANGLE's 254 max uniform vectors + // (up to 54 should be safe) - this.computeBoundingBox(); + var nVertexUniforms = capabilities.maxVertexUniforms; + var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); - } + var maxBones = nVertexMatrices; - if ( this.boundingSphere !== null ) { + if ( object !== undefined && (object && object.isSkinnedMesh) ) { - this.computeBoundingSphere(); + maxBones = Math.min( object.skeleton.bones.length, maxBones ); - } + if ( maxBones < object.skeleton.bones.length ) { - return this; + console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); - }, + } - rotateX: function () { + } - // rotate geometry around world x-axis + return maxBones; - var m1; + } - return function rotateX( angle ) { + } - if ( m1 === undefined ) m1 = new Matrix4(); + function getTextureEncodingFromMap( map, gammaOverrideLinear ) { - m1.makeRotationX( angle ); + var encoding; - this.applyMatrix( m1 ); + if ( ! map ) { - return this; + encoding = LinearEncoding; - }; + } else if ( (map && map.isTexture) ) { - }(), + encoding = map.encoding; - rotateY: function () { + } else if ( (map && map.isWebGLRenderTarget) ) { - // rotate geometry around world y-axis + console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); + encoding = map.texture.encoding; - var m1; + } - return function rotateY( angle ) { + // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. + if ( encoding === LinearEncoding && gammaOverrideLinear ) { - if ( m1 === undefined ) m1 = new Matrix4(); + encoding = GammaEncoding; - m1.makeRotationY( angle ); + } - this.applyMatrix( m1 ); + return encoding; - return this; + } - }; + this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { - }(), + var shaderID = shaderIDs[ material.type ]; - rotateZ: function () { + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) - // rotate geometry around world z-axis + var maxBones = allocateBones( object ); + var precision = renderer.getPrecision(); - var m1; + if ( material.precision !== null ) { - return function rotateZ( angle ) { + precision = capabilities.getMaxPrecision( material.precision ); - if ( m1 === undefined ) m1 = new Matrix4(); + if ( precision !== material.precision ) { - m1.makeRotationZ( angle ); + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); - this.applyMatrix( m1 ); + } - return this; + } - }; + var currentRenderTarget = renderer.getCurrentRenderTarget(); - }(), + var parameters = { - translate: function () { + shaderID: shaderID, - // translate geometry - - var m1; - - return function translate( x, y, z ) { + precision: precision, + supportsVertexTextures: capabilities.vertexTextures, + outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), + map: !! material.map, + mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), + envMap: !! material.envMap, + envMapMode: material.envMap && material.envMap.mapping, + envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), + envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), + lightMap: !! material.lightMap, + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + alphaMap: !! material.alphaMap, - if ( m1 === undefined ) m1 = new Matrix4(); + combine: material.combine, - m1.makeTranslation( x, y, z ); + vertexColors: material.vertexColors, - this.applyMatrix( m1 ); + fog: !! fog, + useFog: material.fog, + fogExp: (fog && fog.isFogExp2), - return this; + flatShading: material.shading === FlatShading, - }; + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, - }(), + skinning: material.skinning, + maxBones: maxBones, + useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, - scale: function () { + morphTargets: material.morphTargets, + morphNormals: material.morphNormals, + maxMorphTargets: renderer.maxMorphTargets, + maxMorphNormals: renderer.maxMorphNormals, - // scale geometry + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numHemiLights: lights.hemi.length, - var m1; + numClippingPlanes: nClipPlanes, + numClipIntersection: nClipIntersection, - return function scale( x, y, z ) { + shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, + shadowMapType: renderer.shadowMap.type, - if ( m1 === undefined ) m1 = new Matrix4(); + toneMapping: renderer.toneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, - m1.makeScale( x, y, z ); + premultipliedAlpha: material.premultipliedAlpha, - this.applyMatrix( m1 ); + alphaTest: material.alphaTest, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, - return this; + depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false }; - }(), + return parameters; - lookAt: function () { + }; - var obj; + this.getProgramCode = function ( material, parameters ) { - return function lookAt( vector ) { + var array = []; - if ( obj === undefined ) obj = new Object3D(); + if ( parameters.shaderID ) { - obj.lookAt( vector ); + array.push( parameters.shaderID ); - obj.updateMatrix(); + } else { - this.applyMatrix( obj.matrix ); + array.push( material.fragmentShader ); + array.push( material.vertexShader ); - }; + } - }(), + if ( material.defines !== undefined ) { - center: function () { + for ( var name in material.defines ) { - this.computeBoundingBox(); + array.push( name ); + array.push( material.defines[ name ] ); - var offset = this.boundingBox.getCenter().negate(); + } - this.translate( offset.x, offset.y, offset.z ); + } - return offset; + for ( var i = 0; i < parameterNames.length; i ++ ) { - }, + array.push( parameters[ parameterNames[ i ] ] ); - setFromObject: function ( object ) { + } - // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); + return array.join(); - var geometry = object.geometry; + }; - if ( (object && object.isPoints) || (object && object.isLine) ) { + this.acquireProgram = function ( material, parameters, code ) { - var positions = new Float32Attribute( geometry.vertices.length * 3, 3 ); - var colors = new Float32Attribute( geometry.colors.length * 3, 3 ); + var program; - this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); - this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); + // Check if code has been already compiled + for ( var p = 0, pl = programs.length; p < pl; p ++ ) { - if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { + var programInfo = programs[ p ]; - var lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 ); + if ( programInfo.code === code ) { - this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); + program = programInfo; + ++ program.usedTimes; + + break; } - if ( geometry.boundingSphere !== null ) { + } - this.boundingSphere = geometry.boundingSphere.clone(); + if ( program === undefined ) { - } + program = new WebGLProgram( renderer, code, material, parameters ); + programs.push( program ); - if ( geometry.boundingBox !== null ) { + } - this.boundingBox = geometry.boundingBox.clone(); + return program; - } + }; - } else if ( (object && object.isMesh) ) { + this.releaseProgram = function( program ) { - if ( (geometry && geometry.isGeometry) ) { + if ( -- program.usedTimes === 0 ) { - this.fromGeometry( geometry ); + // Remove from unordered set + var i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); - } + // Free WebGL resources + program.destroy(); } - return this; + }; - }, + // Exposed for resource monitoring & error feedback via renderer.info: + this.programs = programs; - updateFromObject: function ( object ) { + } - var geometry = object.geometry; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( (object && object.isMesh) ) { + function WebGLGeometries( gl, properties, info ) { - var direct = geometry.__directGeometry; + var geometries = {}; - if ( geometry.elementsNeedUpdate === true ) { + function onGeometryDispose( event ) { - direct = undefined; - geometry.elementsNeedUpdate = false; + var geometry = event.target; + var buffergeometry = geometries[ geometry.id ]; - } + if ( buffergeometry.index !== null ) { - if ( direct === undefined ) { + deleteAttribute( buffergeometry.index ); - return this.fromGeometry( geometry ); + } - } + deleteAttributes( buffergeometry.attributes ); - direct.verticesNeedUpdate = geometry.verticesNeedUpdate; - direct.normalsNeedUpdate = geometry.normalsNeedUpdate; - direct.colorsNeedUpdate = geometry.colorsNeedUpdate; - direct.uvsNeedUpdate = geometry.uvsNeedUpdate; - direct.groupsNeedUpdate = geometry.groupsNeedUpdate; + geometry.removeEventListener( 'dispose', onGeometryDispose ); - geometry.verticesNeedUpdate = false; - geometry.normalsNeedUpdate = false; - geometry.colorsNeedUpdate = false; - geometry.uvsNeedUpdate = false; - geometry.groupsNeedUpdate = false; + delete geometries[ geometry.id ]; - geometry = direct; + // TODO - } + var property = properties.get( geometry ); - var attribute; + if ( property.wireframe ) { - if ( geometry.verticesNeedUpdate === true ) { + deleteAttribute( property.wireframe ); - attribute = this.attributes.position; + } - if ( attribute !== undefined ) { + properties.delete( geometry ); - attribute.copyVector3sArray( geometry.vertices ); - attribute.needsUpdate = true; + var bufferproperty = properties.get( buffergeometry ); - } + if ( bufferproperty.wireframe ) { - geometry.verticesNeedUpdate = false; + deleteAttribute( bufferproperty.wireframe ); } - if ( geometry.normalsNeedUpdate === true ) { + properties.delete( buffergeometry ); - attribute = this.attributes.normal; + // - if ( attribute !== undefined ) { + info.memory.geometries --; - attribute.copyVector3sArray( geometry.normals ); - attribute.needsUpdate = true; + } - } + function getAttributeBuffer( attribute ) { - geometry.normalsNeedUpdate = false; + if ( attribute.isInterleavedBufferAttribute ) { + + return properties.get( attribute.data ).__webglBuffer; } - if ( geometry.colorsNeedUpdate === true ) { + return properties.get( attribute ).__webglBuffer; - attribute = this.attributes.color; + } - if ( attribute !== undefined ) { + function deleteAttribute( attribute ) { - attribute.copyColorsArray( geometry.colors ); - attribute.needsUpdate = true; + var buffer = getAttributeBuffer( attribute ); - } + if ( buffer !== undefined ) { - geometry.colorsNeedUpdate = false; + gl.deleteBuffer( buffer ); + removeAttributeBuffer( attribute ); } - if ( geometry.uvsNeedUpdate ) { - - attribute = this.attributes.uv; - - if ( attribute !== undefined ) { + } - attribute.copyVector2sArray( geometry.uvs ); - attribute.needsUpdate = true; + function deleteAttributes( attributes ) { - } + for ( var name in attributes ) { - geometry.uvsNeedUpdate = false; + deleteAttribute( attributes[ name ] ); } - if ( geometry.lineDistancesNeedUpdate ) { + } - attribute = this.attributes.lineDistance; + function removeAttributeBuffer( attribute ) { - if ( attribute !== undefined ) { + if ( attribute.isInterleavedBufferAttribute ) { - attribute.copyArray( geometry.lineDistances ); - attribute.needsUpdate = true; + properties.delete( attribute.data ); - } + } else { - geometry.lineDistancesNeedUpdate = false; + properties.delete( attribute ); } - if ( geometry.groupsNeedUpdate ) { + } - geometry.computeGroups( object.geometry ); - this.groups = geometry.groups; + return { - geometry.groupsNeedUpdate = false; + get: function ( object ) { - } + var geometry = object.geometry; - return this; + if ( geometries[ geometry.id ] !== undefined ) { - }, + return geometries[ geometry.id ]; - fromGeometry: function ( geometry ) { + } - geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); + geometry.addEventListener( 'dispose', onGeometryDispose ); - return this.fromDirectGeometry( geometry.__directGeometry ); + var buffergeometry; - }, + if ( geometry.isBufferGeometry ) { - fromDirectGeometry: function ( geometry ) { + buffergeometry = geometry; - var positions = new Float32Array( geometry.vertices.length * 3 ); - this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); + } else if ( geometry.isGeometry ) { - if ( geometry.normals.length > 0 ) { + if ( geometry._bufferGeometry === undefined ) { - var normals = new Float32Array( geometry.normals.length * 3 ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); + geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); - } + } - if ( geometry.colors.length > 0 ) { + buffergeometry = geometry._bufferGeometry; - var colors = new Float32Array( geometry.colors.length * 3 ); - this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); + } - } + geometries[ geometry.id ] = buffergeometry; - if ( geometry.uvs.length > 0 ) { + info.memory.geometries ++; - var uvs = new Float32Array( geometry.uvs.length * 2 ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); + return buffergeometry; } - if ( geometry.uvs2.length > 0 ) { - - var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); - this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); - - } + }; - if ( geometry.indices.length > 0 ) { + } - var TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array; - var indices = new TypeArray( geometry.indices.length * 3 ); - this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function WebGLObjects( gl, properties, info ) { - // groups + var geometries = new WebGLGeometries( gl, properties, info ); - this.groups = geometry.groups; + // - // morphs + function update( object ) { - for ( var name in geometry.morphTargets ) { + // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. - var array = []; - var morphTargets = geometry.morphTargets[ name ]; + var geometry = geometries.get( object ); - for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { + if ( object.geometry.isGeometry ) { - var morphTarget = morphTargets[ i ]; + geometry.updateFromObject( object ); - var attribute = new Float32Attribute( morphTarget.length * 3, 3 ); + } - array.push( attribute.copyVector3sArray( morphTarget ) ); + var index = geometry.index; + var attributes = geometry.attributes; - } + if ( index !== null ) { - this.morphAttributes[ name ] = array; + updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); } - // skinning - - if ( geometry.skinIndices.length > 0 ) { + for ( var name in attributes ) { - var skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 ); - this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); + updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); } - if ( geometry.skinWeights.length > 0 ) { + // morph targets - var skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 ); - this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); + var morphAttributes = geometry.morphAttributes; - } + for ( var name in morphAttributes ) { - // + var array = morphAttributes[ name ]; - if ( geometry.boundingSphere !== null ) { + for ( var i = 0, l = array.length; i < l; i ++ ) { - this.boundingSphere = geometry.boundingSphere.clone(); + updateAttribute( array[ i ], gl.ARRAY_BUFFER ); + + } } - if ( geometry.boundingBox !== null ) { + return geometry; - this.boundingBox = geometry.boundingBox.clone(); + } - } + function updateAttribute( attribute, bufferType ) { - return this; + var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; - }, + var attributeProperties = properties.get( data ); - computeBoundingBox: function () { + if ( attributeProperties.__webglBuffer === undefined ) { - if ( this.boundingBox === null ) { + createBuffer( attributeProperties, data, bufferType ); - this.boundingBox = new Box3(); + } else if ( attributeProperties.version !== data.version ) { + + updateBuffer( attributeProperties, data, bufferType ); } - var positions = this.attributes.position.array; + } - if ( positions !== undefined ) { + function createBuffer( attributeProperties, data, bufferType ) { - this.boundingBox.setFromArray( positions ); + attributeProperties.__webglBuffer = gl.createBuffer(); + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); - } else { + var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; - this.boundingBox.makeEmpty(); + gl.bufferData( bufferType, data.array, usage ); - } + attributeProperties.version = data.version; - if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + } - console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + function updateBuffer( attributeProperties, data, bufferType ) { - } + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); - }, + if ( data.dynamic === false ) { - computeBoundingSphere: function () { + gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); - var box = new Box3(); - var vector = new Vector3(); + } else if ( data.updateRange.count === - 1 ) { - return function computeBoundingSphere() { + // Not using update ranges - if ( this.boundingSphere === null ) { + gl.bufferSubData( bufferType, 0, data.array ); - this.boundingSphere = new Sphere(); + } else if ( data.updateRange.count === 0 ) { - } + console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); - var positions = this.attributes.position; + } else { - if ( positions ) { + gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, + data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); - var array = positions.array; - var center = this.boundingSphere.center; + data.updateRange.count = 0; // reset range - box.setFromArray( array ); - box.getCenter( center ); + } - // hoping to find a boundingSphere with a radius smaller than the - // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + attributeProperties.version = data.version; - var maxRadiusSq = 0; + } - for ( var i = 0, il = array.length; i < il; i += 3 ) { + function getAttributeBuffer( attribute ) { - vector.fromArray( array, i ); - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); + if ( attribute.isInterleavedBufferAttribute ) { - } + return properties.get( attribute.data ).__webglBuffer; - this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + } - if ( isNaN( this.boundingSphere.radius ) ) { + return properties.get( attribute ).__webglBuffer; - console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + } - } + function getWireframeAttribute( geometry ) { - } + var property = properties.get( geometry ); - }; + if ( property.wireframe !== undefined ) { - }(), + return property.wireframe; - computeFaceNormals: function () { + } - // backwards compatibility + var indices = []; - }, + var index = geometry.index; + var attributes = geometry.attributes; + var position = attributes.position; - computeVertexNormals: function () { + // console.time( 'wireframe' ); - var index = this.index; - var attributes = this.attributes; - var groups = this.groups; + if ( index !== null ) { - if ( attributes.position ) { + var edges = {}; + var array = index.array; - var positions = attributes.position.array; + for ( var i = 0, l = array.length; i < l; i += 3 ) { - if ( attributes.normal === undefined ) { + var a = array[ i + 0 ]; + var b = array[ i + 1 ]; + var c = array[ i + 2 ]; - this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); + indices.push( a, b, b, c, c, a ); - } else { + } - // reset existing normals to zero + } else { - var array = attributes.normal.array; + var array = attributes.position.array; - for ( var i = 0, il = array.length; i < il; i ++ ) { + for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { - array[ i ] = 0; + var a = i + 0; + var b = i + 1; + var c = i + 2; - } + indices.push( a, b, b, c, c, a ); } - var normals = attributes.normal.array; + } - var vA, vB, vC, + // console.timeEnd( 'wireframe' ); - pA = new Vector3(), - pB = new Vector3(), - pC = new Vector3(), + var TypeArray = position.count > 65535 ? Uint32Array : Uint16Array; + var attribute = new BufferAttribute( new TypeArray( indices ), 1 ); - cb = new Vector3(), - ab = new Vector3(); - - // indexed elements - - if ( index ) { - - var indices = index.array; + updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); - if ( groups.length === 0 ) { + property.wireframe = attribute; - this.addGroup( 0, indices.length ); + return attribute; - } + } - for ( var j = 0, jl = groups.length; j < jl; ++ j ) { + return { - var group = groups[ j ]; + getAttributeBuffer: getAttributeBuffer, + getWireframeAttribute: getWireframeAttribute, - var start = group.start; - var count = group.count; + update: update - for ( var i = start, il = start + count; i < il; i += 3 ) { + }; - vA = indices[ i + 0 ] * 3; - vB = indices[ i + 1 ] * 3; - vC = indices[ i + 2 ] * 3; + } - pA.fromArray( positions, vA ); - pB.fromArray( positions, vB ); - pC.fromArray( positions, vC ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); + function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { - normals[ vA ] += cb.x; - normals[ vA + 1 ] += cb.y; - normals[ vA + 2 ] += cb.z; + var _infoMemory = info.memory; + var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); - normals[ vB ] += cb.x; - normals[ vB + 1 ] += cb.y; - normals[ vB + 2 ] += cb.z; + // - normals[ vC ] += cb.x; - normals[ vC + 1 ] += cb.y; - normals[ vC + 2 ] += cb.z; + function clampToMaxSize( image, maxSize ) { - } + if ( image.width > maxSize || image.height > maxSize ) { - } + // Warning: Scaling through the canvas will only work with images that use + // premultiplied alpha. - } else { + var scale = maxSize / Math.max( image.width, image.height ); - // non-indexed elements (unconnected triangle soup) + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = Math.floor( image.width * scale ); + canvas.height = Math.floor( image.height * scale ); - for ( var i = 0, il = positions.length; i < il; i += 9 ) { + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); - pA.fromArray( positions, i ); - pB.fromArray( positions, i + 3 ); - pC.fromArray( positions, i + 6 ); + console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); + return canvas; - normals[ i ] = cb.x; - normals[ i + 1 ] = cb.y; - normals[ i + 2 ] = cb.z; + } - normals[ i + 3 ] = cb.x; - normals[ i + 4 ] = cb.y; - normals[ i + 5 ] = cb.z; + return image; - normals[ i + 6 ] = cb.x; - normals[ i + 7 ] = cb.y; - normals[ i + 8 ] = cb.z; + } - } + function isPowerOfTwo( image ) { - } + return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); - this.normalizeNormals(); + } - attributes.normal.needsUpdate = true; + function makePowerOfTwo( image ) { - } + if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { - }, + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = _Math.nearestPowerOfTwo( image.width ); + canvas.height = _Math.nearestPowerOfTwo( image.height ); - merge: function ( geometry, offset ) { + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, canvas.width, canvas.height ); - if ( (geometry && geometry.isBufferGeometry) === false ) { + console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); - console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); - return; + return canvas; } - if ( offset === undefined ) offset = 0; + return image; - var attributes = this.attributes; + } - for ( var key in attributes ) { + function textureNeedsPowerOfTwo( texture ) { - if ( geometry.attributes[ key ] === undefined ) continue; + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true; + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true; - var attribute1 = attributes[ key ]; - var attributeArray1 = attribute1.array; + return false; - var attribute2 = geometry.attributes[ key ]; - var attributeArray2 = attribute2.array; + } - var attributeSize = attribute2.itemSize; + // Fallback filters for non-power-of-2 textures - for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { + function filterFallback( f ) { - attributeArray1[ j ] = attributeArray2[ i ]; + if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { - } + return _gl.NEAREST; } - return this; - - }, + return _gl.LINEAR; - normalizeNormals: function () { + } - var normals = this.attributes.normal.array; + // - var x, y, z, n; + function onTextureDispose( event ) { - for ( var i = 0, il = normals.length; i < il; i += 3 ) { + var texture = event.target; - x = normals[ i ]; - y = normals[ i + 1 ]; - z = normals[ i + 2 ]; + texture.removeEventListener( 'dispose', onTextureDispose ); - n = 1.0 / Math.sqrt( x * x + y * y + z * z ); + deallocateTexture( texture ); - normals[ i ] *= n; - normals[ i + 1 ] *= n; - normals[ i + 2 ] *= n; + _infoMemory.textures --; - } - }, + } - toNonIndexed: function () { + function onRenderTargetDispose( event ) { - if ( this.index === null ) { + var renderTarget = event.target; - console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); - return this; + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); - } + deallocateRenderTarget( renderTarget ); - var geometry2 = new BufferGeometry(); + _infoMemory.textures --; - var indices = this.index.array; - var attributes = this.attributes; + } - for ( var name in attributes ) { + // - var attribute = attributes[ name ]; + function deallocateTexture( texture ) { - var array = attribute.array; - var itemSize = attribute.itemSize; + var textureProperties = properties.get( texture ); - var array2 = new array.constructor( indices.length * itemSize ); + if ( texture.image && textureProperties.__image__webglTextureCube ) { - var index = 0, index2 = 0; + // cube texture - for ( var i = 0, l = indices.length; i < l; i ++ ) { + _gl.deleteTexture( textureProperties.__image__webglTextureCube ); - index = indices[ i ] * itemSize; + } else { - for ( var j = 0; j < itemSize; j ++ ) { + // 2D texture - array2[ index2 ++ ] = array[ index ++ ]; + if ( textureProperties.__webglInit === undefined ) return; - } + _gl.deleteTexture( textureProperties.__webglTexture ); - } + } - geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); + // remove all webgl properties + properties.delete( texture ); - } + } - return geometry2; + function deallocateRenderTarget( renderTarget ) { - }, + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); - toJSON: function () { + if ( ! renderTarget ) return; - var data = { - metadata: { - version: 4.4, - type: 'BufferGeometry', - generator: 'BufferGeometry.toJSON' - } - }; + if ( textureProperties.__webglTexture !== undefined ) { - // standard BufferGeometry serialization + _gl.deleteTexture( textureProperties.__webglTexture ); - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; + } - if ( this.parameters !== undefined ) { + if ( renderTarget.depthTexture ) { - var parameters = this.parameters; + renderTarget.depthTexture.dispose(); - for ( var key in parameters ) { + } - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + if ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) { - } + for ( var i = 0; i < 6; i ++ ) { - return data; + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); - } + } - data.data = { attributes: {} }; + } else { - var index = this.index; + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); - if ( index !== null ) { + } - var array = Array.prototype.slice.call( index.array ); + properties.delete( renderTarget.texture ); + properties.delete( renderTarget ); - data.data.index = { - type: index.array.constructor.name, - array: array - }; + } - } + // - var attributes = this.attributes; - for ( var key in attributes ) { - var attribute = attributes[ key ]; + function setTexture2D( texture, slot ) { - var array = Array.prototype.slice.call( attribute.array ); + var textureProperties = properties.get( texture ); - data.data.attributes[ key ] = { - itemSize: attribute.itemSize, - type: attribute.array.constructor.name, - array: array, - normalized: attribute.normalized - }; + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - } + var image = texture.image; - var groups = this.groups; + if ( image === undefined ) { - if ( groups.length > 0 ) { + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture ); - data.data.groups = JSON.parse( JSON.stringify( groups ) ); + } else if ( image.complete === false ) { - } + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); - var boundingSphere = this.boundingSphere; + } else { - if ( boundingSphere !== null ) { + uploadTexture( textureProperties, texture, slot ); + return; - data.data.boundingSphere = { - center: boundingSphere.center.toArray(), - radius: boundingSphere.radius - }; + } } - return data; - - }, + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - clone: function () { + } - /* - // Handle primitives + function setTextureCube( texture, slot ) { - var parameters = this.parameters; + var textureProperties = properties.get( texture ); - if ( parameters !== undefined ) { + if ( texture.image.length === 6 ) { - var values = []; + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - for ( var key in parameters ) { + if ( ! textureProperties.__image__webglTextureCube ) { - values.push( parameters[ key ] ); + texture.addEventListener( 'dispose', onTextureDispose ); - } + textureProperties.__image__webglTextureCube = _gl.createTexture(); - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; + _infoMemory.textures ++; - } + } - return new this.constructor().copy( this ); - */ + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); - return new BufferGeometry().copy( this ); + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); - }, + var isCompressed = (texture && texture.isCompressedTexture); + var isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture); - copy: function ( source ) { + var cubeImage = []; - var index = source.index; + for ( var i = 0; i < 6; i ++ ) { - if ( index !== null ) { + if ( ! isCompressed && ! isDataTexture ) { - this.setIndex( index.clone() ); + cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); - } + } else { - var attributes = source.attributes; + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; - for ( var name in attributes ) { + } - var attribute = attributes[ name ]; - this.addAttribute( name, attribute.clone() ); + } - } + var image = cubeImage[ 0 ], + isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); - var groups = source.groups; + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); - for ( var i = 0, l = groups.length; i < l; i ++ ) { + for ( var i = 0; i < 6; i ++ ) { - var group = groups[ i ]; - this.addGroup( group.start, group.count, group.materialIndex ); + if ( ! isCompressed ) { - } + if ( isDataTexture ) { - return this; + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); - }, + } else { - dispose: function () { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); - this.dispatchEvent( { type: 'dispose' } ); + } - } + } else { - } ); + var mipmap, mipmaps = cubeImage[ i ].mipmaps; - BufferGeometry.MaxIndex = 65535; + for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author jonobr1 / http://jonobr1.com/ - */ + mipmap = mipmaps[ j ]; - function Mesh( geometry, material ) { + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { - Object3D.call( this ); + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { - this.type = 'Mesh'; + state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); + } else { - this.drawMode = TrianglesDrawMode; + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); - this.updateMorphTargets(); + } - } + } else { - Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - constructor: Mesh, + } - isMesh: true, + } - setDrawMode: function ( value ) { + } - this.drawMode = value; + } - }, + if ( texture.generateMipmaps && isPowerOfTwoImage ) { - copy: function ( source ) { + _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); - Object3D.prototype.copy.call( this, source ); + } - this.drawMode = source.drawMode; + textureProperties.__version = texture.version; - return this; + if ( texture.onUpdate ) texture.onUpdate( texture ); - }, + } else { - updateMorphTargets: function () { + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); - var morphTargets = this.geometry.morphTargets; + } - if ( morphTargets !== undefined && morphTargets.length > 0 ) { + } - this.morphTargetInfluences = []; - this.morphTargetDictionary = {}; + } - for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { + function setTextureCubeDynamic( texture, slot ) { - this.morphTargetInfluences.push( 0 ); - this.morphTargetDictionary[ morphTargets[ m ].name ] = m; + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); - } + } - } + function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { - }, + var extension; - raycast: ( function () { + if ( isPowerOfTwoImage ) { - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); - var vA = new Vector3(); - var vB = new Vector3(); - var vC = new Vector3(); + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); - var tempA = new Vector3(); - var tempB = new Vector3(); - var tempC = new Vector3(); + } else { - var uvA = new Vector2(); - var uvB = new Vector2(); - var uvC = new Vector2(); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); - var barycoord = new Vector3(); + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { - var intersectionPoint = new Vector3(); - var intersectionPointWorld = new Vector3(); + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture ); - function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { + } - Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) ); - uv1.multiplyScalar( barycoord.x ); - uv2.multiplyScalar( barycoord.y ); - uv3.multiplyScalar( barycoord.z ); + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { - uv1.add( uv2 ).add( uv3 ); + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture ); - return uv1.clone(); + } } - function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { - - var intersect; - var material = object.material; + extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - if ( material.side === BackSide ) { + if ( extension ) { - intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; + if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return; - } else { + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { - intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; } - if ( intersect === null ) return null; + } - intersectionPointWorld.copy( point ); - intersectionPointWorld.applyMatrix4( object.matrixWorld ); + } - var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld ); + function uploadTexture( textureProperties, texture, slot ) { - if ( distance < raycaster.near || distance > raycaster.far ) return null; + if ( textureProperties.__webglInit === undefined ) { - return { - distance: distance, - point: intersectionPointWorld.clone(), - object: object - }; + textureProperties.__webglInit = true; - } + texture.addEventListener( 'dispose', onTextureDispose ); - function checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) { + textureProperties.__webglTexture = _gl.createTexture(); - vA.fromArray( positions, a * 3 ); - vB.fromArray( positions, b * 3 ); - vC.fromArray( positions, c * 3 ); + _infoMemory.textures ++; - var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); + } - if ( intersection ) { - - if ( uvs ) { - - uvA.fromArray( uvs, a * 2 ); - uvB.fromArray( uvs, b * 2 ); - uvC.fromArray( uvs, c * 2 ); - - intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - } + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); - intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); - intersection.faceIndex = a; + var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); - } + if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { - return intersection; + image = makePowerOfTwo( image ); } - return function raycast( raycaster, intersects ) { + var isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); - var geometry = this.geometry; - var material = this.material; - var matrixWorld = this.matrixWorld; + setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); - if ( material === undefined ) return; + var mipmap, mipmaps = texture.mipmaps; - // Checking boundingSphere distance to ray + if ( (texture && texture.isDepthTexture) ) { - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + // populate depth texture with dummy data - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + var internalFormat = _gl.DEPTH_COMPONENT; - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + if ( texture.type === FloatType ) { - // + if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); + internalFormat = _gl.DEPTH_COMPONENT32F; - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + } else if ( _isWebGL2 ) { - // Check boundingBox before continuing + // WebGL 2.0 requires signed internalformat for glTexImage2D + internalFormat = _gl.DEPTH_COMPONENT16; - if ( geometry.boundingBox !== null ) { + } - if ( ray.intersectsBox( geometry.boundingBox ) === false ) return; + // Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.format === DepthStencilFormat ) { + + internalFormat = _gl.DEPTH_STENCIL; } - var uvs, intersection; + state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null ); - if ( (geometry && geometry.isBufferGeometry) ) { + } else if ( (texture && texture.isDataTexture) ) { - var a, b, c; - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels - if ( attributes.uv !== undefined ) { + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { - uvs = attributes.uv.array; + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); } - if ( index !== null ) { + texture.generateMipmaps = false; - var indices = index.array; + } else { - for ( var i = 0, l = indices.length; i < l; i += 3 ) { + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); - a = indices[ i ]; - b = indices[ i + 1 ]; - c = indices[ i + 2 ]; + } - intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + } else if ( (texture && texture.isCompressedTexture) ) { - if ( intersection ) { + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics - intersects.push( intersection ); + mipmap = mipmaps[ i ]; - } + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + + state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } else { + + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); } } else { + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - for ( var i = 0, l = positions.length; i < l; i += 9 ) { + } - a = i / 3; - b = a + 1; - c = a + 2; + } - intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + } else { - if ( intersection ) { + // regular Texture (image, video, canvas) - intersection.index = a; // triangle number in positions buffer semantics - intersects.push( intersection ); + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels - } + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { - } + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); } - } else if ( (geometry && geometry.isGeometry) ) { + texture.generateMipmaps = false; - var fvA, fvB, fvC; - var isFaceMaterial = (material && material.isMultiMaterial); - var materials = isFaceMaterial === true ? material.materials : null; + } else { - var vertices = geometry.vertices; - var faces = geometry.faces; - var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; - if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); - for ( var f = 0, fl = faces.length; f < fl; f ++ ) { + } - var face = faces[ f ]; - var faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material; + } - if ( faceMaterial === undefined ) continue; + if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); - fvA = vertices[ face.a ]; - fvB = vertices[ face.b ]; - fvC = vertices[ face.c ]; + textureProperties.__version = texture.version; - if ( faceMaterial.morphTargets === true ) { + if ( texture.onUpdate ) texture.onUpdate( texture ); - var morphTargets = geometry.morphTargets; - var morphInfluences = this.morphTargetInfluences; + } - vA.set( 0, 0, 0 ); - vB.set( 0, 0, 0 ); - vC.set( 0, 0, 0 ); + // Render targets - for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { + // Setup storage for target texture and bind it to correct framebuffer + function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { - var influence = morphInfluences[ t ]; + var glFormat = paramThreeToGL( renderTarget.texture.format ); + var glType = paramThreeToGL( renderTarget.texture.type ); + state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); - if ( influence === 0 ) continue; + } - var targets = morphTargets[ t ].vertices; + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget ) { - vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); - vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); - vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); - } + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { - vA.add( fvA ); - vB.add( fvB ); - vC.add( fvC ); + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); - fvA = vA; - fvB = vB; - fvC = vC; + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { - } + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); - intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); + } else { - if ( intersection ) { + // FIXME: We don't support !depth !stencil + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); - if ( uvs ) { + } - var uvs_f = uvs[ f ]; - uvA.copy( uvs_f[ 0 ] ); - uvB.copy( uvs_f[ 1 ] ); - uvC.copy( uvs_f[ 2 ] ); + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); - intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); + } - } + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { - intersection.face = face; - intersection.faceIndex = f; - intersects.push( intersection ); + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); - } + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - } + if ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) { - } + throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture'); - }; + } - }() ), + // upload an empty depth texture with framebuffer size + if ( !properties.get( renderTarget.depthTexture ).__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } - clone: function () { + setTexture2D( renderTarget.depthTexture, 0 ); - return new this.constructor( this.geometry, this.material ).copy( this ); + var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; - } + if ( renderTarget.depthTexture.format === DepthFormat ) { - } ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { - function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); - BufferGeometry.call( this ); + } else { - this.type = 'BoxBufferGeometry'; + throw new Error('Unknown depthTexture format') - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; + } - var scope = this; + } - // segments - widthSegments = Math.floor( widthSegments ) || 1; - heightSegments = Math.floor( heightSegments ) || 1; - depthSegments = Math.floor( depthSegments ) || 1; + // Setup GL resources for a non-texture depth buffer + function setupDepthRenderbuffer( renderTarget ) { - // these are used to calculate buffer length - var vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments ); - var indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments ); + var renderTargetProperties = properties.get( renderTarget ); - // buffers - var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); - var vertices = new Float32Array( vertexCount * 3 ); - var normals = new Float32Array( vertexCount * 3 ); - var uvs = new Float32Array( vertexCount * 2 ); + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - // offset variables - var vertexBufferOffset = 0; - var uvBufferOffset = 0; - var indexBufferOffset = 0; - var numberOfVertices = 0; + if ( renderTarget.depthTexture ) { - // group variables - var groupStart = 0; + if ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets'); - // build each side of the box geometry - buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px - buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx - buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py - buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny - buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz - buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); - // build geometry - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + } else { - // helper functions + if ( isCube ) { - function calculateVertexCount( w, h, d ) { + renderTargetProperties.__webglDepthbuffer = []; - var vertices = 0; + for ( var i = 0; i < 6; i ++ ) { - // calculate the amount of vertices for each side (plane) - vertices += (w + 1) * (h + 1) * 2; // xy - vertices += (w + 1) * (d + 1) * 2; // xz - vertices += (d + 1) * (h + 1) * 2; // zy + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); - return vertices; + } - } + } else { - function calculateIndexCount( w, h, d ) { + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); - var index = 0; + } - // calculate the amount of squares for each side - index += w * h * 2; // xy - index += w * d * 2; // xz - index += d * h * 2; // zy + } - return index * 6; // two triangles per square => six vertices per square + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); } - function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + // Set up GL resources for the render target + function setupRenderTarget( renderTarget ) { - var segmentWidth = width / gridX; - var segmentHeight = height / gridY; + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); - var widthHalf = width / 2; - var heightHalf = height / 2; - var depthHalf = depth / 2; + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; + textureProperties.__webglTexture = _gl.createTexture(); - var vertexCounter = 0; - var groupCount = 0; + _infoMemory.textures ++; - var vector = new Vector3(); + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); - // generate vertices, normals and uvs + // Setup framebuffer - for ( var iy = 0; iy < gridY1; iy ++ ) { + if ( isCube ) { - var y = iy * segmentHeight - heightHalf; + renderTargetProperties.__webglFramebuffer = []; - for ( var ix = 0; ix < gridX1; ix ++ ) { + for ( var i = 0; i < 6; i ++ ) { - var x = ix * segmentWidth - widthHalf; + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); - // set values to correct vector component - vector[ u ] = x * udir; - vector[ v ] = y * vdir; - vector[ w ] = depthHalf; + } - // now apply vector to vertex buffer - vertices[ vertexBufferOffset ] = vector.x; - vertices[ vertexBufferOffset + 1 ] = vector.y; - vertices[ vertexBufferOffset + 2 ] = vector.z; + } else { - // set values to correct vector component - vector[ u ] = 0; - vector[ v ] = 0; - vector[ w ] = depth > 0 ? 1 : - 1; + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); - // now apply vector to normal buffer - normals[ vertexBufferOffset ] = vector.x; - normals[ vertexBufferOffset + 1 ] = vector.y; - normals[ vertexBufferOffset + 2 ] = vector.z; + } - // uvs - uvs[ uvBufferOffset ] = ix / gridX; - uvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY ); + // Setup color buffer - // update offsets and counters - vertexBufferOffset += 3; - uvBufferOffset += 2; - vertexCounter += 1; + if ( isCube ) { - } + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); - } + for ( var i = 0; i < 6; i ++ ) { - // 1. you need three indices to draw a single face - // 2. a single segment consists of two faces - // 3. so we need to generate six (2*3) indices per segment + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); - for ( iy = 0; iy < gridY; iy ++ ) { + } - for ( ix = 0; ix < gridX; ix ++ ) { + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); - // indices - var a = numberOfVertices + ix + gridX1 * iy; - var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); - var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + } else { - // face one - indices[ indexBufferOffset ] = a; - indices[ indexBufferOffset + 1 ] = b; - indices[ indexBufferOffset + 2 ] = d; + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); - // face two - indices[ indexBufferOffset + 3 ] = b; - indices[ indexBufferOffset + 4 ] = c; - indices[ indexBufferOffset + 5 ] = d; + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); + state.bindTexture( _gl.TEXTURE_2D, null ); - // update offsets and counters - indexBufferOffset += 6; - groupCount += 6; + } - } + // Setup depth and stencil buffers + + if ( renderTarget.depthBuffer ) { + + setupDepthRenderbuffer( renderTarget ); } - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, materialIndex ); + } - // calculate new start value for groups - groupStart += groupCount; + function updateRenderTargetMipmap( renderTarget ) { - // update total number of vertices - numberOfVertices += vertexCounter; + var texture = renderTarget.texture; + + if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && + texture.minFilter !== NearestFilter && + texture.minFilter !== LinearFilter ) { + + var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; + var webglTexture = properties.get( texture ).__webglTexture; + + state.bindTexture( target, webglTexture ); + _gl.generateMipmap( target ); + state.bindTexture( target, null ); + + } } - } + this.setTexture2D = setTexture2D; + this.setTextureCube = setTextureCube; + this.setTextureCubeDynamic = setTextureCubeDynamic; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; - BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; + } /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + * @author fordacious / fordacious.github.io */ - function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { + function WebGLProperties() { - BufferGeometry.call( this ); + var properties = {}; - this.type = 'PlaneBufferGeometry'; + return { - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; + get: function ( object ) { - var width_half = width / 2; - var height_half = height / 2; + var uuid = object.uuid; + var map = properties[ uuid ]; - var gridX = Math.floor( widthSegments ) || 1; - var gridY = Math.floor( heightSegments ) || 1; + if ( map === undefined ) { - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; + map = {}; + properties[ uuid ] = map; - var segment_width = width / gridX; - var segment_height = height / gridY; + } - var vertices = new Float32Array( gridX1 * gridY1 * 3 ); - var normals = new Float32Array( gridX1 * gridY1 * 3 ); - var uvs = new Float32Array( gridX1 * gridY1 * 2 ); + return map; - var offset = 0; - var offset2 = 0; + }, - for ( var iy = 0; iy < gridY1; iy ++ ) { + delete: function ( object ) { - var y = iy * segment_height - height_half; + delete properties[ object.uuid ]; - for ( var ix = 0; ix < gridX1; ix ++ ) { + }, - var x = ix * segment_width - width_half; + clear: function () { - vertices[ offset ] = x; - vertices[ offset + 1 ] = - y; + properties = {}; - normals[ offset + 2 ] = 1; + } - uvs[ offset2 ] = ix / gridX; - uvs[ offset2 + 1 ] = 1 - ( iy / gridY ); + }; - offset += 3; - offset2 += 2; + } - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function WebGLState( gl, extensions, paramThreeToGL ) { - offset = 0; + function ColorBuffer() { - var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 ); + var locked = false; - for ( var iy = 0; iy < gridY; iy ++ ) { + var color = new Vector4(); + var currentColorMask = null; + var currentColorClear = new Vector4(); - for ( var ix = 0; ix < gridX; ix ++ ) { + return { - var a = ix + gridX1 * iy; - var b = ix + gridX1 * ( iy + 1 ); - var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = ( ix + 1 ) + gridX1 * iy; + setMask: function ( colorMask ) { - indices[ offset ] = a; - indices[ offset + 1 ] = b; - indices[ offset + 2 ] = d; + if ( currentColorMask !== colorMask && ! locked ) { - indices[ offset + 3 ] = b; - indices[ offset + 4 ] = c; - indices[ offset + 5 ] = d; + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; - offset += 6; + } - } + }, - } + setLocked: function ( lock ) { - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + locked = lock; - } + }, - PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; + setClear: function ( r, g, b, a ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - * @author WestLangley / http://github.com/WestLangley - */ + color.set( r, g, b, a ); - function Camera() { + if ( currentColorClear.equals( color ) === false ) { - Object3D.call( this ); + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); - this.type = 'Camera'; + } - this.matrixWorldInverse = new Matrix4(); - this.projectionMatrix = new Matrix4(); + }, - } + reset: function () { - Camera.prototype = Object.create( Object3D.prototype ); - Camera.prototype.constructor = Camera; + locked = false; - Camera.prototype.isCamera = true; + currentColorMask = null; + currentColorClear.set( 0, 0, 0, 1 ); - Camera.prototype.getWorldDirection = function () { + } - var quaternion = new Quaternion(); + }; - return function getWorldDirection( optionalTarget ) { + } - var result = optionalTarget || new Vector3(); + function DepthBuffer() { - this.getWorldQuaternion( quaternion ); + var locked = false; - return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + var currentDepthMask = null; + var currentDepthFunc = null; + var currentDepthClear = null; - }; + return { - }(); + setTest: function ( depthTest ) { - Camera.prototype.lookAt = function () { + if ( depthTest ) { - // This routine does not support cameras with rotated and/or translated parent(s) + enable( gl.DEPTH_TEST ); - var m1 = new Matrix4(); + } else { - return function lookAt( vector ) { + disable( gl.DEPTH_TEST ); - m1.lookAt( this.position, vector, this.up ); + } - this.quaternion.setFromRotationMatrix( m1 ); + }, - }; + setMask: function ( depthMask ) { - }(); + if ( currentDepthMask !== depthMask && ! locked ) { - Camera.prototype.clone = function () { + gl.depthMask( depthMask ); + currentDepthMask = depthMask; - return new this.constructor().copy( this ); + } - }; + }, - Camera.prototype.copy = function ( source ) { + setFunc: function ( depthFunc ) { - Object3D.prototype.copy.call( this, source ); + if ( currentDepthFunc !== depthFunc ) { - this.matrixWorldInverse.copy( source.matrixWorldInverse ); - this.projectionMatrix.copy( source.projectionMatrix ); + if ( depthFunc ) { - return this; + switch ( depthFunc ) { - }; + case NeverDepth: - /** - * @author mrdoob / http://mrdoob.com/ - * @author greggman / http://games.greggman.com/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author tschw - */ + gl.depthFunc( gl.NEVER ); + break; - function PerspectiveCamera( fov, aspect, near, far ) { + case AlwaysDepth: - Camera.call( this ); + gl.depthFunc( gl.ALWAYS ); + break; - this.type = 'PerspectiveCamera'; + case LessDepth: - this.fov = fov !== undefined ? fov : 50; - this.zoom = 1; + gl.depthFunc( gl.LESS ); + break; - this.near = near !== undefined ? near : 0.1; - this.far = far !== undefined ? far : 2000; - this.focus = 10; + case LessEqualDepth: - this.aspect = aspect !== undefined ? aspect : 1; - this.view = null; + gl.depthFunc( gl.LEQUAL ); + break; - this.filmGauge = 35; // width of the film (default in millimeters) - this.filmOffset = 0; // horizontal film offset (same unit as gauge) + case EqualDepth: - this.updateProjectionMatrix(); + gl.depthFunc( gl.EQUAL ); + break; - } + case GreaterEqualDepth: - PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + gl.depthFunc( gl.GEQUAL ); + break; - constructor: PerspectiveCamera, + case GreaterDepth: - isPerspectiveCamera: true, + gl.depthFunc( gl.GREATER ); + break; - copy: function ( source ) { + case NotEqualDepth: - Camera.prototype.copy.call( this, source ); + gl.depthFunc( gl.NOTEQUAL ); + break; - this.fov = source.fov; - this.zoom = source.zoom; + default: - this.near = source.near; - this.far = source.far; - this.focus = source.focus; + gl.depthFunc( gl.LEQUAL ); - this.aspect = source.aspect; - this.view = source.view === null ? null : Object.assign( {}, source.view ); + } - this.filmGauge = source.filmGauge; - this.filmOffset = source.filmOffset; + } else { - return this; + gl.depthFunc( gl.LEQUAL ); - }, + } - /** - * Sets the FOV by focal length in respect to the current .filmGauge. - * - * The default film gauge is 35, so that the focal length can be specified for - * a 35mm (full frame) camera. - * - * Values for focal length and film gauge must have the same unit. - */ - setFocalLength: function ( focalLength ) { + currentDepthFunc = depthFunc; - // see http://www.bobatkins.com/photography/technical/field_of_view.html - var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + } - this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); - this.updateProjectionMatrix(); + }, - }, + setLocked: function ( lock ) { - /** - * Calculates the focal length from the current .fov and .filmGauge. - */ - getFocalLength: function () { + locked = lock; - var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); + }, - return 0.5 * this.getFilmHeight() / vExtentSlope; + setClear: function ( depth ) { - }, + if ( currentDepthClear !== depth ) { - getEffectiveFOV: function () { + gl.clearDepth( depth ); + currentDepthClear = depth; - return _Math.RAD2DEG * 2 * Math.atan( - Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); + } - }, + }, - getFilmWidth: function () { + reset: function () { - // film not completely covered in portrait format (aspect < 1) - return this.filmGauge * Math.min( this.aspect, 1 ); + locked = false; - }, + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; - getFilmHeight: function () { + } - // film not completely covered in landscape format (aspect > 1) - return this.filmGauge / Math.max( this.aspect, 1 ); + }; - }, + } - /** - * Sets an offset in a larger frustum. This is useful for multi-window or - * multi-monitor/multi-machine setups. - * - * For example, if you have 3x2 monitors and each monitor is 1920x1080 and - * the monitors are in grid like this - * - * +---+---+---+ - * | A | B | C | - * +---+---+---+ - * | D | E | F | - * +---+---+---+ - * - * then for each monitor you would call it like this - * - * var w = 1920; - * var h = 1080; - * var fullWidth = w * 3; - * var fullHeight = h * 2; - * - * --A-- - * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); - * --B-- - * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); - * --C-- - * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); - * --D-- - * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); - * --E-- - * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); - * --F-- - * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); - * - * Note there is no reason monitors have to be the same size or in a grid. - */ - setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { + function StencilBuffer() { - this.aspect = fullWidth / fullHeight; + var locked = false; - this.view = { - fullWidth: fullWidth, - fullHeight: fullHeight, - offsetX: x, - offsetY: y, - width: width, - height: height - }; + var currentStencilMask = null; + var currentStencilFunc = null; + var currentStencilRef = null; + var currentStencilFuncMask = null; + var currentStencilFail = null; + var currentStencilZFail = null; + var currentStencilZPass = null; + var currentStencilClear = null; - this.updateProjectionMatrix(); + return { - }, + setTest: function ( stencilTest ) { - clearViewOffset: function() { + if ( stencilTest ) { - this.view = null; - this.updateProjectionMatrix(); + enable( gl.STENCIL_TEST ); - }, + } else { - updateProjectionMatrix: function () { + disable( gl.STENCIL_TEST ); - var near = this.near, - top = near * Math.tan( - _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, - height = 2 * top, - width = this.aspect * height, - left = - 0.5 * width, - view = this.view; + } - if ( view !== null ) { + }, - var fullWidth = view.fullWidth, - fullHeight = view.fullHeight; + setMask: function ( stencilMask ) { - left += view.offsetX * width / fullWidth; - top -= view.offsetY * height / fullHeight; - width *= view.width / fullWidth; - height *= view.height / fullHeight; + if ( currentStencilMask !== stencilMask && ! locked ) { - } + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; - var skew = this.filmOffset; - if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + } - this.projectionMatrix.makeFrustum( - left, left + width, top - height, top, near, this.far ); + }, - }, + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { - toJSON: function ( meta ) { + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { - var data = Object3D.prototype.toJSON.call( this, meta ); + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); - data.object.fov = this.fov; - data.object.zoom = this.zoom; + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; - data.object.near = this.near; - data.object.far = this.far; - data.object.focus = this.focus; + } - data.object.aspect = this.aspect; + }, - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { - data.object.filmGauge = this.filmGauge; - data.object.filmOffset = this.filmOffset; + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { - return data; + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); - } + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; - } ); + } - /** - * @author alteredq / http://alteredqualia.com/ - * @author arose / http://github.com/arose - */ + }, - function OrthographicCamera( left, right, top, bottom, near, far ) { + setLocked: function ( lock ) { - Camera.call( this ); + locked = lock; - this.type = 'OrthographicCamera'; + }, - this.zoom = 1; - this.view = null; + setClear: function ( stencil ) { - this.left = left; - this.right = right; - this.top = top; - this.bottom = bottom; + if ( currentStencilClear !== stencil ) { - this.near = ( near !== undefined ) ? near : 0.1; - this.far = ( far !== undefined ) ? far : 2000; + gl.clearStencil( stencil ); + currentStencilClear = stencil; - this.updateProjectionMatrix(); + } - } + }, - OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + reset: function () { - constructor: OrthographicCamera, + locked = false; - isOrthographicCamera: true, + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; - copy: function ( source ) { + } - Camera.prototype.copy.call( this, source ); + }; - this.left = source.left; - this.right = source.right; - this.top = source.top; - this.bottom = source.bottom; - this.near = source.near; - this.far = source.far; + } - this.zoom = source.zoom; - this.view = source.view === null ? null : Object.assign( {}, source.view ); + // - return this; + var colorBuffer = new ColorBuffer(); + var depthBuffer = new DepthBuffer(); + var stencilBuffer = new StencilBuffer(); - }, + var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var newAttributes = new Uint8Array( maxVertexAttributes ); + var enabledAttributes = new Uint8Array( maxVertexAttributes ); + var attributeDivisors = new Uint8Array( maxVertexAttributes ); - setViewOffset: function( fullWidth, fullHeight, x, y, width, height ) { + var capabilities = {}; - this.view = { - fullWidth: fullWidth, - fullHeight: fullHeight, - offsetX: x, - offsetY: y, - width: width, - height: height - }; + var compressedTextureFormats = null; - this.updateProjectionMatrix(); + var currentBlending = null; + var currentBlendEquation = null; + var currentBlendSrc = null; + var currentBlendDst = null; + var currentBlendEquationAlpha = null; + var currentBlendSrcAlpha = null; + var currentBlendDstAlpha = null; + var currentPremultipledAlpha = false; - }, + var currentFlipSided = null; + var currentCullFace = null; - clearViewOffset: function() { + var currentLineWidth = null; - this.view = null; - this.updateProjectionMatrix(); + var currentPolygonOffsetFactor = null; + var currentPolygonOffsetUnits = null; - }, + var currentScissorTest = null; - updateProjectionMatrix: function () { + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); - var dx = ( this.right - this.left ) / ( 2 * this.zoom ); - var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); - var cx = ( this.right + this.left ) / 2; - var cy = ( this.top + this.bottom ) / 2; + var currentTextureSlot = null; + var currentBoundTextures = {}; - var left = cx - dx; - var right = cx + dx; - var top = cy + dy; - var bottom = cy - dy; + var currentScissor = new Vector4(); + var currentViewport = new Vector4(); - if ( this.view !== null ) { + function createTexture( type, target, count ) { - var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); - var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); - var scaleW = ( this.right - this.left ) / this.view.width; - var scaleH = ( this.top - this.bottom ) / this.view.height; + var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. + var texture = gl.createTexture(); - left += scaleW * ( this.view.offsetX / zoomW ); - right = left + scaleW * ( this.view.width / zoomW ); - top -= scaleH * ( this.view.offsetY / zoomH ); - bottom = top - scaleH * ( this.view.height / zoomH ); + gl.bindTexture( type, texture ); + gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + + for ( var i = 0; i < count; i ++ ) { + + gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); } - this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + return texture; - }, + } - toJSON: function ( meta ) { + var emptyTextures = {}; + emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); + emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); - var data = Object3D.prototype.toJSON.call( this, meta ); + // - data.object.zoom = this.zoom; - data.object.left = this.left; - data.object.right = this.right; - data.object.top = this.top; - data.object.bottom = this.bottom; - data.object.near = this.near; - data.object.far = this.far; + function init() { - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + clearColor( 0, 0, 0, 1 ); + clearDepth( 1 ); + clearStencil( 0 ); - return data; + enable( gl.DEPTH_TEST ); + setDepthFunc( LessEqualDepth ); - } + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( gl.CULL_FACE ); - } ); + enable( gl.BLEND ); + setBlending( NormalBlending ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { + function initAttributes() { - var mode; + for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { - function setMode( value ) { + newAttributes[ i ] = 0; - mode = value; + } } - var type, size; + function enableAttribute( attribute ) { - function setIndex( index ) { + newAttributes[ attribute ] = 1; - if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { + if ( enabledAttributes[ attribute ] === 0 ) { - type = gl.UNSIGNED_INT; - size = 4; + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; - } else { + } - type = gl.UNSIGNED_SHORT; - size = 2; + if ( attributeDivisors[ attribute ] !== 0 ) { + + var extension = extensions.get( 'ANGLE_instanced_arrays' ); + + extension.vertexAttribDivisorANGLE( attribute, 0 ); + attributeDivisors[ attribute ] = 0; } } - function render( start, count ) { + function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { - gl.drawElements( mode, count, type, start * size ); + newAttributes[ attribute ] = 1; - infoRender.calls ++; - infoRender.vertices += count; + if ( enabledAttributes[ attribute ] === 0 ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; - } + } - function renderInstances( geometry, start, count ) { + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { - var extension = extensions.get( 'ANGLE_instanced_arrays' ); + extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; - if ( extension === null ) { + } - console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + } - } + function disableUnusedAttributes() { - extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); + for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { - infoRender.calls ++; - infoRender.vertices += count * geometry.maxInstancedCount; + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } } - return { + function enable( id ) { - setMode: setMode, - setIndex: setIndex, - render: render, - renderInstances: renderInstances + if ( capabilities[ id ] !== true ) { - }; + gl.enable( id ); + capabilities[ id ] = true; - } + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function WebGLBufferRenderer( gl, extensions, infoRender ) { + function disable( id ) { - var mode; + if ( capabilities[ id ] !== false ) { - function setMode( value ) { + gl.disable( id ); + capabilities[ id ] = false; - mode = value; + } } - function render( start, count ) { + function getCompressedTextureFormats() { - gl.drawArrays( mode, start, count ); + if ( compressedTextureFormats === null ) { - infoRender.calls ++; - infoRender.vertices += count; + compressedTextureFormats = []; - if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || + extensions.get( 'WEBGL_compressed_texture_s3tc' ) || + extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { - } + var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); - function renderInstances( geometry ) { + for ( var i = 0; i < formats.length; i ++ ) { - var extension = extensions.get( 'ANGLE_instanced_arrays' ); + compressedTextureFormats.push( formats[ i ] ); - if ( extension === null ) { + } - console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + } } - var position = geometry.attributes.position; + return compressedTextureFormats; - var count = 0; + } - if ( (position && position.isInterleavedBufferAttribute) ) { + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { - count = position.data.count; + if ( blending !== NoBlending ) { - extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + enable( gl.BLEND ); } else { - count = position.count; - - extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + disable( gl.BLEND ); } - infoRender.calls ++; - infoRender.vertices += count * geometry.maxInstancedCount; + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + if ( blending === AdditiveBlending ) { - } + if ( premultipliedAlpha ) { - return { - setMode: setMode, - render: render, - renderInstances: renderInstances - }; + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); - } + } else { - /** - * @author mrdoob / http://mrdoob.com/ - */ + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); - function WebGLLights() { + } - var lights = {}; + } else if ( blending === SubtractiveBlending ) { - return { + if ( premultipliedAlpha ) { - get: function ( light ) { + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); - if ( lights[ light.id ] !== undefined ) { + } else { - return lights[ light.id ]; + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); - } + } - var uniforms; + } else if ( blending === MultiplyBlending ) { - switch ( light.type ) { + if ( premultipliedAlpha ) { - case 'DirectionalLight': - uniforms = { - direction: new Vector3(), - color: new Color(), + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + } else { - case 'SpotLight': - uniforms = { - position: new Vector3(), - direction: new Vector3(), - color: new Color(), - distance: 0, - coneCos: 0, - penumbraCos: 0, - decay: 0, + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + } - case 'PointLight': - uniforms = { - position: new Vector3(), - color: new Color(), - distance: 0, - decay: 0, + } else { - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + if ( premultipliedAlpha ) { - case 'HemisphereLight': - uniforms = { - direction: new Vector3(), - skyColor: new Color(), - groundColor: new Color() - }; - break; + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); - } + } else { - lights[ light.id ] = uniforms; + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); - return uniforms; + } - } + } - }; + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; - } + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( blending === CustomBlending ) { - function addLineNumbers( string ) { + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; - var lines = string.split( '\n' ); + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { - for ( var i = 0; i < lines.length; i ++ ) { + gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); - lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; - } + } - return lines.join( '\n' ); + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { - } + gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); - function WebGLShader( gl, type, string ) { + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; - var shader = gl.createShader( type ); + } - gl.shaderSource( shader, string ); - gl.compileShader( shader ); + } else { - if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; - console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); + } } - if ( gl.getShaderInfoLog( shader ) !== '' ) { + // TODO Deprecate - console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); + function setColorWrite( colorWrite ) { + + colorBuffer.setMask( colorWrite ); } - // --enable-privileged-webgl-extension - // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + function setDepthTest( depthTest ) { - return shader; + depthBuffer.setTest( depthTest ); - } + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + function setDepthWrite( depthWrite ) { - var programIdCount = 0; + depthBuffer.setMask( depthWrite ); - function getEncodingComponents( encoding ) { + } - switch ( encoding ) { + function setDepthFunc( depthFunc ) { - case LinearEncoding: - return [ 'Linear','( value )' ]; - case sRGBEncoding: - return [ 'sRGB','( value )' ]; - case RGBEEncoding: - return [ 'RGBE','( value )' ]; - case RGBM7Encoding: - return [ 'RGBM','( value, 7.0 )' ]; - case RGBM16Encoding: - return [ 'RGBM','( value, 16.0 )' ]; - case RGBDEncoding: - return [ 'RGBD','( value, 256.0 )' ]; - case GammaEncoding: - return [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ]; - default: - throw new Error( 'unsupported encoding: ' + encoding ); + depthBuffer.setFunc( depthFunc ); } - } + function setStencilTest( stencilTest ) { - function getTexelDecodingFunction( functionName, encoding ) { + stencilBuffer.setTest( stencilTest ); - var components = getEncodingComponents( encoding ); - return "vec4 " + functionName + "( vec4 value ) { return " + components[ 0 ] + "ToLinear" + components[ 1 ] + "; }"; + } - } + function setStencilWrite( stencilWrite ) { - function getTexelEncodingFunction( functionName, encoding ) { + stencilBuffer.setMask( stencilWrite ); - var components = getEncodingComponents( encoding ); - return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[ 0 ] + components[ 1 ] + "; }"; + } - } + function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { - function getToneMappingFunction( functionName, toneMapping ) { + stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); - var toneMappingName; + } - switch ( toneMapping ) { + function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { - case LinearToneMapping: - toneMappingName = "Linear"; - break; + stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); - case ReinhardToneMapping: - toneMappingName = "Reinhard"; - break; + } - case Uncharted2ToneMapping: - toneMappingName = "Uncharted2"; - break; + // - case CineonToneMapping: - toneMappingName = "OptimizedCineon"; - break; + function setFlipSided( flipSided ) { - default: - throw new Error( 'unsupported toneMapping: ' + toneMapping ); + if ( currentFlipSided !== flipSided ) { - } + if ( flipSided ) { - return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; + gl.frontFace( gl.CW ); - } + } else { - function generateExtensions( extensions, parameters, rendererExtensions ) { + gl.frontFace( gl.CCW ); - extensions = extensions || {}; + } - var chunks = [ - ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', - ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', - ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', - ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '', - ]; + currentFlipSided = flipSided; - return chunks.filter( filterEmptyLine ).join( '\n' ); + } - } + } - function generateDefines( defines ) { + function setCullFace( cullFace ) { - var chunks = []; + if ( cullFace !== CullFaceNone ) { - for ( var name in defines ) { + enable( gl.CULL_FACE ); - var value = defines[ name ]; + if ( cullFace !== currentCullFace ) { - if ( value === false ) continue; + if ( cullFace === CullFaceBack ) { - chunks.push( '#define ' + name + ' ' + value ); + gl.cullFace( gl.BACK ); - } + } else if ( cullFace === CullFaceFront ) { - return chunks.join( '\n' ); + gl.cullFace( gl.FRONT ); - } + } else { - function fetchAttributeLocations( gl, program, identifiers ) { + gl.cullFace( gl.FRONT_AND_BACK ); - var attributes = {}; + } - var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); + } - for ( var i = 0; i < n; i ++ ) { + } else { - var info = gl.getActiveAttrib( program, i ); - var name = info.name; + disable( gl.CULL_FACE ); - // console.log("THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:", name, i ); + } - attributes[ name ] = gl.getAttribLocation( program, name ); + currentCullFace = cullFace; } - return attributes; + function setLineWidth( width ) { - } + if ( width !== currentLineWidth ) { - function filterEmptyLine( string ) { + gl.lineWidth( width ); - return string !== ''; + currentLineWidth = width; - } + } - function replaceLightNums( string, parameters ) { + } - return string - .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) - .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) - .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) - .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ); + function setPolygonOffset( polygonOffset, factor, units ) { - } + if ( polygonOffset ) { - function parseIncludes( string ) { + enable( gl.POLYGON_OFFSET_FILL ); - var pattern = /#include +<([\w\d.]+)>/g; + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { - function replace( match, include ) { + gl.polygonOffset( factor, units ); - var replace = ShaderChunk[ include ]; + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; - if ( replace === undefined ) { + } - throw new Error( 'Can not resolve #include <' + include + '>' ); + } else { - } + disable( gl.POLYGON_OFFSET_FILL ); - return parseIncludes( replace ); + } } - return string.replace( pattern, replace ); + function getScissorTest() { - } + return currentScissorTest; - function unrollLoops( string ) { + } - var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; + function setScissorTest( scissorTest ) { - function replace( match, start, end, snippet ) { + currentScissorTest = scissorTest; - var unroll = ''; + if ( scissorTest ) { - for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + enable( gl.SCISSOR_TEST ); - unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); + } else { - } + disable( gl.SCISSOR_TEST ); - return unroll; + } } - return string.replace( pattern, replace ); + // texture - } + function activeTexture( webglSlot ) { - function WebGLProgram( renderer, code, material, parameters ) { + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; - var gl = renderer.context; + if ( currentTextureSlot !== webglSlot ) { - var extensions = material.extensions; - var defines = material.defines; + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; - var vertexShader = material.__webglShader.vertexShader; - var fragmentShader = material.__webglShader.fragmentShader; + } - var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + } - if ( parameters.shadowMapType === PCFShadowMap ) { + function bindTexture( webglType, webglTexture ) { - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + if ( currentTextureSlot === null ) { - } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + activeTexture(); - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; - - } + } - var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; - var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + var boundTexture = currentBoundTextures[ currentTextureSlot ]; - if ( parameters.envMap ) { + if ( boundTexture === undefined ) { - switch ( material.envMap.mapping ) { + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ currentTextureSlot ] = boundTexture; - case CubeReflectionMapping: - case CubeRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - break; + } - case CubeUVReflectionMapping: - case CubeUVRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; - break; + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { - case EquirectangularReflectionMapping: - case EquirectangularRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; - break; + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); - case SphericalReflectionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; - break; + boundTexture.type = webglType; + boundTexture.texture = webglTexture; } - switch ( material.envMap.mapping ) { - - case CubeRefractionMapping: - case EquirectangularRefractionMapping: - envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; - break; + } - } + function compressedTexImage2D() { - switch ( material.combine ) { + try { - case MultiplyOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - break; + gl.compressedTexImage2D.apply( gl, arguments ); - case MixOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; - break; + } catch ( error ) { - case AddOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; - break; + console.error( error ); } } - var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; + function texImage2D() { - // console.log( 'building new program ' ); + try { - // + gl.texImage2D.apply( gl, arguments ); - var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); + } catch ( error ) { - var customDefines = generateDefines( defines ); + console.error( error ); - // + } - var program = gl.createProgram(); + } - var prefixVertex, prefixFragment; + // TODO Deprecate - if ( material.isRawShaderMaterial ) { + function clearColor( r, g, b, a ) { - prefixVertex = [ + colorBuffer.setClear( r, g, b, a ); - customDefines, + } - '\n' + function clearDepth( depth ) { - ].filter( filterEmptyLine ).join( '\n' ); + depthBuffer.setClear( depth ); - prefixFragment = [ + } - customExtensions, - customDefines, + function clearStencil( stencil ) { - '\n' + stencilBuffer.setClear( stencil ); - ].filter( filterEmptyLine ).join( '\n' ); + } - } else { + // - prefixVertex = [ + function scissor( scissor ) { - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', + if ( currentScissor.equals( scissor ) === false ) { - '#define SHADER_NAME ' + material.__webglShader.name, + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); - customDefines, + } - parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + } - '#define GAMMA_FACTOR ' + gammaFactorDefine, + function viewport( viewport ) { - '#define MAX_BONES ' + parameters.maxBones, + if ( currentViewport.equals( viewport ) === false ) { - parameters.map ? '#define USE_MAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); - parameters.flatShading ? '#define FLAT_SHADED' : '', + } - parameters.skinning ? '#define USE_SKINNING' : '', - parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', + } - parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', - parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', + // - '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + function reset() { - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + for ( var i = 0; i < enabledAttributes.length; i ++ ) { - parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + if ( enabledAttributes[ i ] === 1 ) { - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; - 'uniform mat4 modelMatrix;', - 'uniform mat4 modelViewMatrix;', - 'uniform mat4 projectionMatrix;', - 'uniform mat4 viewMatrix;', - 'uniform mat3 normalMatrix;', - 'uniform vec3 cameraPosition;', + } - 'attribute vec3 position;', - 'attribute vec3 normal;', - 'attribute vec2 uv;', + } - '#ifdef USE_COLOR', + capabilities = {}; - ' attribute vec3 color;', + compressedTextureFormats = null; - '#endif', + currentTextureSlot = null; + currentBoundTextures = {}; - '#ifdef USE_MORPHTARGETS', + currentBlending = null; - ' attribute vec3 morphTarget0;', - ' attribute vec3 morphTarget1;', - ' attribute vec3 morphTarget2;', - ' attribute vec3 morphTarget3;', + currentFlipSided = null; + currentCullFace = null; - ' #ifdef USE_MORPHNORMALS', + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); - ' attribute vec3 morphNormal0;', - ' attribute vec3 morphNormal1;', - ' attribute vec3 morphNormal2;', - ' attribute vec3 morphNormal3;', + } - ' #else', + return { - ' attribute vec3 morphTarget4;', - ' attribute vec3 morphTarget5;', - ' attribute vec3 morphTarget6;', - ' attribute vec3 morphTarget7;', + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, - ' #endif', + init: init, + initAttributes: initAttributes, + enableAttribute: enableAttribute, + enableAttributeAndDivisor: enableAttributeAndDivisor, + disableUnusedAttributes: disableUnusedAttributes, + enable: enable, + disable: disable, + getCompressedTextureFormats: getCompressedTextureFormats, - '#endif', + setBlending: setBlending, - '#ifdef USE_SKINNING', + setColorWrite: setColorWrite, + setDepthTest: setDepthTest, + setDepthWrite: setDepthWrite, + setDepthFunc: setDepthFunc, + setStencilTest: setStencilTest, + setStencilWrite: setStencilWrite, + setStencilFunc: setStencilFunc, + setStencilOp: setStencilOp, - ' attribute vec4 skinIndex;', - ' attribute vec4 skinWeight;', + setFlipSided: setFlipSided, + setCullFace: setCullFace, - '#endif', + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, - '\n' + getScissorTest: getScissorTest, + setScissorTest: setScissorTest, - ].filter( filterEmptyLine ).join( '\n' ); + activeTexture: activeTexture, + bindTexture: bindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, - prefixFragment = [ + clearColor: clearColor, + clearDepth: clearDepth, + clearStencil: clearStencil, - customExtensions, + scissor: scissor, + viewport: viewport, - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', + reset: reset - '#define SHADER_NAME ' + material.__webglShader.name, + }; - customDefines, + } - parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', + /** + * @author mrdoob / http://mrdoob.com/ + */ - '#define GAMMA_FACTOR ' + gammaFactorDefine, + function WebGLCapabilities( gl, extensions, parameters ) { - ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', - ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', + var maxAnisotropy; - parameters.map ? '#define USE_MAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapTypeDefine : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.envMap ? '#define ' + envMapBlendingDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', + function getMaxAnisotropy() { - parameters.flatShading ? '#define FLAT_SHADED' : '', + if ( maxAnisotropy !== undefined ) return maxAnisotropy; - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', + var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, - '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), + if ( extension !== null ) { - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); - parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : '', + } else { - parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : '', + maxAnisotropy = 0; - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + } - parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', + return maxAnisotropy; - 'uniform mat4 viewMatrix;', - 'uniform vec3 cameraPosition;', + } - ( parameters.toneMapping !== NoToneMapping ) ? "#define TONE_MAPPING" : '', - ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below - ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( "toneMapping", parameters.toneMapping ) : '', + function getMaxPrecision( precision ) { - ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below - parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', - parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', - parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', - parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', + if ( precision === 'highp' ) { - parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { - '\n' + return 'highp'; - ].filter( filterEmptyLine ).join( '\n' ); + } - } + precision = 'mediump'; - vertexShader = parseIncludes( vertexShader, parameters ); - vertexShader = replaceLightNums( vertexShader, parameters ); + } - fragmentShader = parseIncludes( fragmentShader, parameters ); - fragmentShader = replaceLightNums( fragmentShader, parameters ); + if ( precision === 'mediump' ) { - if ( ! material.isShaderMaterial ) { + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { - vertexShader = unrollLoops( vertexShader ); - fragmentShader = unrollLoops( fragmentShader ); + return 'mediump'; - } + } - var vertexGlsl = prefixVertex + vertexShader; - var fragmentGlsl = prefixFragment + fragmentShader; + } - // console.log( '*VERTEX*', vertexGlsl ); - // console.log( '*FRAGMENT*', fragmentGlsl ); + return 'lowp'; - var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); - var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); + } - gl.attachShader( program, glVertexShader ); - gl.attachShader( program, glFragmentShader ); + var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + var maxPrecision = getMaxPrecision( precision ); - // Force a particular attribute to index 0. + if ( maxPrecision !== precision ) { - if ( material.index0AttributeName !== undefined ) { + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; - gl.bindAttribLocation( program, 0, material.index0AttributeName ); + } - } else if ( parameters.morphTargets === true ) { + var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' ); - // programs with morphTargets displace position out of attribute 0 - gl.bindAttribLocation( program, 0, 'position' ); + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); + var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); + var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); - } + var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); + var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); + var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); - gl.linkProgram( program ); + var vertexTextures = maxVertexTextures > 0; + var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); + var floatVertexTextures = vertexTextures && floatFragmentTextures; - var programLog = gl.getProgramInfoLog( program ); - var vertexLog = gl.getShaderInfoLog( glVertexShader ); - var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); + return { - var runnable = true; - var haveDiagnostics = true; + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, - // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); - // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, - if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, - runnable = false; + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, - console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); + vertexTextures: vertexTextures, + floatFragmentTextures: floatFragmentTextures, + floatVertexTextures: floatVertexTextures - } else if ( programLog !== '' ) { + }; - console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); + } - } else if ( vertexLog === '' || fragmentLog === '' ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - haveDiagnostics = false; + function WebGLExtensions( gl ) { - } + var extensions = {}; - if ( haveDiagnostics ) { + return { - this.diagnostics = { + get: function ( name ) { - runnable: runnable, - material: material, + if ( extensions[ name ] !== undefined ) { - programLog: programLog, + return extensions[ name ]; - vertexShader: { + } - log: vertexLog, - prefix: prefixVertex + var extension; - }, + switch ( name ) { - fragmentShader: { + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; - log: fragmentLog, - prefix: prefixFragment + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; - } + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; - }; + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; - } + case 'WEBGL_compressed_texture_etc1': + extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); + break; - // clean up + default: + extension = gl.getExtension( name ); - gl.deleteShader( glVertexShader ); - gl.deleteShader( glFragmentShader ); + } - // set up caching for uniform locations + if ( extension === null ) { - var cachedUniforms; + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); - this.getUniforms = function() { + } - if ( cachedUniforms === undefined ) { + extensions[ name ] = extension; - cachedUniforms = - new WebGLUniforms( gl, program, renderer ); + return extension; } - return cachedUniforms; - }; - // set up caching for attribute locations + } - var cachedAttributes; + /** + * @author tschw + */ - this.getAttributes = function() { + function WebGLClipping() { - if ( cachedAttributes === undefined ) { + var scope = this, - cachedAttributes = fetchAttributeLocations( gl, program ); + globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false, - } + plane = new Plane(), + viewNormalMatrix = new Matrix3(), - return cachedAttributes; + uniform = { value: null, needsUpdate: false }; - }; + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; - // free resource + this.init = function( planes, enableLocalClipping, camera ) { - this.destroy = function() { + var enabled = + planes.length !== 0 || + enableLocalClipping || + // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || + localClippingEnabled; - gl.deleteProgram( program ); - this.program = undefined; + localClippingEnabled = enableLocalClipping; - }; + globalState = projectPlanes( planes, camera, 0 ); + numGlobalPlanes = planes.length; - // DEPRECATED + return enabled; - Object.defineProperties( this, { + }; - uniforms: { - get: function() { + this.beginShadows = function() { - console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); - return this.getUniforms(); + renderingShadows = true; + projectPlanes( null ); - } - }, + }; - attributes: { - get: function() { + this.endShadows = function() { - console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); - return this.getAttributes(); + renderingShadows = false; + resetGlobalState(); - } - } + }; - } ); + this.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { + if ( ! localClippingEnabled || + planes === null || planes.length === 0 || + renderingShadows && ! clipShadows ) { + // there's no local clipping - // + if ( renderingShadows ) { + // there's no global clipping - this.id = programIdCount ++; - this.code = code; - this.usedTimes = 1; - this.program = program; - this.vertexShader = glVertexShader; - this.fragmentShader = glFragmentShader; + projectPlanes( null ); - return this; + } else { - } + resetGlobalState(); + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } else { - function WebGLPrograms( renderer, capabilities ) { + var nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4, - var programs = []; + dstArray = cache.clippingState || null; - var shaderIDs = { - MeshDepthMaterial: 'depth', - MeshNormalMaterial: 'normal', - MeshBasicMaterial: 'basic', - MeshLambertMaterial: 'lambert', - MeshPhongMaterial: 'phong', - MeshStandardMaterial: 'physical', - MeshPhysicalMaterial: 'physical', - LineBasicMaterial: 'basic', - LineDashedMaterial: 'dashed', - PointsMaterial: 'points' - }; + uniform.value = dstArray; // ensure unique state - var parameterNames = [ - "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", - "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", - "roughnessMap", "metalnessMap", - "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", - "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", - "maxBones", "useVertexTexture", "morphTargets", "morphNormals", - "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", - "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", - "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', - "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" - ]; + dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); + for ( var i = 0; i !== lGlobal; ++ i ) { - function allocateBones( object ) { + dstArray[ i ] = globalState[ i ]; - if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { + } - return 1024; + cache.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; - } else { + } - // default for when object is not specified - // ( for example when prebuilding shader to be used with multiple objects ) - // - // - leave some extra space for other uniforms - // - limit here is ANGLE's 254 max uniform vectors - // (up to 54 should be safe) - var nVertexUniforms = capabilities.maxVertexUniforms; - var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); + }; - var maxBones = nVertexMatrices; + function resetGlobalState() { - if ( object !== undefined && (object && object.isSkinnedMesh) ) { + if ( uniform.value !== globalState ) { - maxBones = Math.min( object.skeleton.bones.length, maxBones ); + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; - if ( maxBones < object.skeleton.bones.length ) { + } - console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; - } + } - } + function projectPlanes( planes, camera, dstOffset, skipTransform ) { - return maxBones; + var nPlanes = planes !== null ? planes.length : 0, + dstArray = null; - } + if ( nPlanes !== 0 ) { - } + dstArray = uniform.value; - function getTextureEncodingFromMap( map, gammaOverrideLinear ) { + if ( skipTransform !== true || dstArray === null ) { - var encoding; + var flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; - if ( ! map ) { + viewNormalMatrix.getNormalMatrix( viewMatrix ); - encoding = LinearEncoding; + if ( dstArray === null || dstArray.length < flatSize ) { - } else if ( (map && map.isTexture) ) { + dstArray = new Float32Array( flatSize ); - encoding = map.encoding; + } - } else if ( (map && map.isWebGLRenderTarget) ) { + for ( var i = 0, i4 = dstOffset; + i !== nPlanes; ++ i, i4 += 4 ) { - console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); - encoding = map.texture.encoding; + plane.copy( planes[ i ] ). + applyMatrix4( viewMatrix, viewNormalMatrix ); - } + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; - // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. - if ( encoding === LinearEncoding && gammaOverrideLinear ) { + } - encoding = GammaEncoding; + } + + uniform.value = dstArray; + uniform.needsUpdate = true; } - return encoding; + scope.numPlanes = nPlanes; + + return dstArray; } - this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { - - var shaderID = shaderIDs[ material.type ]; - - // heuristics to create shader parameters according to lights in the scene - // (not to blow over maxLights budget) - - var maxBones = allocateBones( object ); - var precision = renderer.getPrecision(); + } - if ( material.precision !== null ) { + /** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + * @author tschw + */ - precision = capabilities.getMaxPrecision( material.precision ); + function WebGLRenderer( parameters ) { - if ( precision !== material.precision ) { + console.log( 'THREE.WebGLRenderer', REVISION ); - console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + parameters = parameters || {}; - } + var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), + _context = parameters.context !== undefined ? parameters.context : null, - } + _alpha = parameters.alpha !== undefined ? parameters.alpha : false, + _depth = parameters.depth !== undefined ? parameters.depth : true, + _stencil = parameters.stencil !== undefined ? parameters.stencil : true, + _antialias = parameters.antialias !== undefined ? parameters.antialias : false, + _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, + _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false; - var currentRenderTarget = renderer.getCurrentRenderTarget(); + var lights = []; - var parameters = { + var opaqueObjects = []; + var opaqueObjectsLastIndex = - 1; + var transparentObjects = []; + var transparentObjectsLastIndex = - 1; - shaderID: shaderID, + var morphInfluences = new Float32Array( 8 ); - precision: precision, - supportsVertexTextures: capabilities.vertexTextures, - outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), - map: !! material.map, - mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), - envMap: !! material.envMap, - envMapMode: material.envMap && material.envMap.mapping, - envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), - envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), - lightMap: !! material.lightMap, - aoMap: !! material.aoMap, - emissiveMap: !! material.emissiveMap, - emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), - bumpMap: !! material.bumpMap, - normalMap: !! material.normalMap, - displacementMap: !! material.displacementMap, - roughnessMap: !! material.roughnessMap, - metalnessMap: !! material.metalnessMap, - specularMap: !! material.specularMap, - alphaMap: !! material.alphaMap, + var sprites = []; + var lensFlares = []; - combine: material.combine, + // public properties - vertexColors: material.vertexColors, + this.domElement = _canvas; + this.context = null; - fog: !! fog, - useFog: material.fog, - fogExp: (fog && fog.isFogExp2), + // clearing - flatShading: material.shading === FlatShading, + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; - sizeAttenuation: material.sizeAttenuation, - logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, + // scene graph - skinning: material.skinning, - maxBones: maxBones, - useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, + this.sortObjects = true; - morphTargets: material.morphTargets, - morphNormals: material.morphNormals, - maxMorphTargets: renderer.maxMorphTargets, - maxMorphNormals: renderer.maxMorphNormals, + // user-defined clipping - numDirLights: lights.directional.length, - numPointLights: lights.point.length, - numSpotLights: lights.spot.length, - numHemiLights: lights.hemi.length, + this.clippingPlanes = []; + this.localClippingEnabled = false; - numClippingPlanes: nClipPlanes, - numClipIntersection: nClipIntersection, + // physically based shading - shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, - shadowMapType: renderer.shadowMap.type, + this.gammaFactor = 2.0; // for backwards compatibility + this.gammaInput = false; + this.gammaOutput = false; - toneMapping: renderer.toneMapping, - physicallyCorrectLights: renderer.physicallyCorrectLights, + // physical lights - premultipliedAlpha: material.premultipliedAlpha, + this.physicallyCorrectLights = false; - alphaTest: material.alphaTest, - doubleSided: material.side === DoubleSide, - flipSided: material.side === BackSide, + // tone mapping - depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false + this.toneMapping = LinearToneMapping; + this.toneMappingExposure = 1.0; + this.toneMappingWhitePoint = 1.0; - }; + // morphs - return parameters; + this.maxMorphTargets = 8; + this.maxMorphNormals = 4; - }; + // internal properties - this.getProgramCode = function ( material, parameters ) { + var _this = this, - var array = []; + // internal state cache - if ( parameters.shaderID ) { + _currentProgram = null, + _currentRenderTarget = null, + _currentFramebuffer = null, + _currentMaterialId = - 1, + _currentGeometryProgram = '', + _currentCamera = null, - array.push( parameters.shaderID ); + _currentScissor = new Vector4(), + _currentScissorTest = null, - } else { + _currentViewport = new Vector4(), - array.push( material.fragmentShader ); - array.push( material.vertexShader ); + // - } + _usedTextureUnits = 0, - if ( material.defines !== undefined ) { + // - for ( var name in material.defines ) { + _clearColor = new Color( 0x000000 ), + _clearAlpha = 0, - array.push( name ); - array.push( material.defines[ name ] ); + _width = _canvas.width, + _height = _canvas.height, - } + _pixelRatio = 1, - } + _scissor = new Vector4( 0, 0, _width, _height ), + _scissorTest = false, - for ( var i = 0; i < parameterNames.length; i ++ ) { + _viewport = new Vector4( 0, 0, _width, _height ), - array.push( parameters[ parameterNames[ i ] ] ); + // frustum - } + _frustum = new Frustum(), - return array.join(); + // clipping - }; + _clipping = new WebGLClipping(), + _clippingEnabled = false, + _localClippingEnabled = false, - this.acquireProgram = function ( material, parameters, code ) { + _sphere = new Sphere(), - var program; + // camera matrices cache - // Check if code has been already compiled - for ( var p = 0, pl = programs.length; p < pl; p ++ ) { + _projScreenMatrix = new Matrix4(), - var programInfo = programs[ p ]; + _vector3 = new Vector3(), - if ( programInfo.code === code ) { + // light arrays cache - program = programInfo; - ++ program.usedTimes; + _lights = { - break; + hash: '', - } + ambient: [ 0, 0, 0 ], + directional: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadowMap: [], + spotShadowMatrix: [], + point: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], - } + shadows: [] - if ( program === undefined ) { + }, - program = new WebGLProgram( renderer, code, material, parameters ); - programs.push( program ); + // info - } + _infoRender = { - return program; + calls: 0, + vertices: 0, + faces: 0, + points: 0 }; - this.releaseProgram = function( program ) { - - if ( -- program.usedTimes === 0 ) { + this.info = { - // Remove from unordered set - var i = programs.indexOf( program ); - programs[ i ] = programs[ programs.length - 1 ]; - programs.pop(); + render: _infoRender, + memory: { - // Free WebGL resources - program.destroy(); + geometries: 0, + textures: 0 - } + }, + programs: null }; - // Exposed for resource monitoring & error feedback via renderer.info: - this.programs = programs; - } + // initialize - /** - * @author mrdoob / http://mrdoob.com/ - */ + var _gl; - function WebGLGeometries( gl, properties, info ) { + try { - var geometries = {}; + var attributes = { + alpha: _alpha, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer + }; - function onGeometryDispose( event ) { + _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); - var geometry = event.target; - var buffergeometry = geometries[ geometry.id ]; + if ( _gl === null ) { - if ( buffergeometry.index !== null ) { + if ( _canvas.getContext( 'webgl' ) !== null ) { - deleteAttribute( buffergeometry.index ); + throw 'Error creating WebGL context with your selected attributes.'; - } + } else { - deleteAttributes( buffergeometry.attributes ); + throw 'Error creating WebGL context.'; - geometry.removeEventListener( 'dispose', onGeometryDispose ); + } - delete geometries[ geometry.id ]; + } - // TODO + // Some experimental-webgl implementations do not have getShaderPrecisionFormat - var property = properties.get( geometry ); + if ( _gl.getShaderPrecisionFormat === undefined ) { - if ( property.wireframe ) { + _gl.getShaderPrecisionFormat = function () { - deleteAttribute( property.wireframe ); + return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + + }; } - properties.delete( geometry ); + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); - var bufferproperty = properties.get( buffergeometry ); + } catch ( error ) { - if ( bufferproperty.wireframe ) { + console.error( 'THREE.WebGLRenderer: ' + error ); - deleteAttribute( bufferproperty.wireframe ); + } - } + var extensions = new WebGLExtensions( _gl ); - properties.delete( buffergeometry ); + extensions.get( 'WEBGL_depth_texture' ); + extensions.get( 'OES_texture_float' ); + extensions.get( 'OES_texture_float_linear' ); + extensions.get( 'OES_texture_half_float' ); + extensions.get( 'OES_texture_half_float_linear' ); + extensions.get( 'OES_standard_derivatives' ); + extensions.get( 'ANGLE_instanced_arrays' ); - // + if ( extensions.get( 'OES_element_index_uint' ) ) { - info.memory.geometries --; + BufferGeometry.MaxIndex = 4294967296; } - function getAttributeBuffer( attribute ) { - - if ( attribute.isInterleavedBufferAttribute ) { - - return properties.get( attribute.data ).__webglBuffer; + var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); - } + var state = new WebGLState( _gl, extensions, paramThreeToGL ); + var properties = new WebGLProperties(); + var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); + var objects = new WebGLObjects( _gl, properties, this.info ); + var programCache = new WebGLPrograms( this, capabilities ); + var lightCache = new WebGLLights(); - return properties.get( attribute ).__webglBuffer; + this.info.programs = programCache.programs; - } + var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); + var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); - function deleteAttribute( attribute ) { + // - var buffer = getAttributeBuffer( attribute ); + var backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); + var backgroundCamera2 = new PerspectiveCamera(); + var backgroundPlaneMesh = new Mesh( + new PlaneBufferGeometry( 2, 2 ), + new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) + ); + var backgroundBoxShader = ShaderLib[ 'cube' ]; + var backgroundBoxMesh = new Mesh( + new BoxBufferGeometry( 5, 5, 5 ), + new ShaderMaterial( { + uniforms: backgroundBoxShader.uniforms, + vertexShader: backgroundBoxShader.vertexShader, + fragmentShader: backgroundBoxShader.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); - if ( buffer !== undefined ) { + // - gl.deleteBuffer( buffer ); - removeAttributeBuffer( attribute ); + function getTargetPixelRatio() { - } + return _currentRenderTarget === null ? _pixelRatio : 1; } - function deleteAttributes( attributes ) { + function glClearColor( r, g, b, a ) { - for ( var name in attributes ) { + if ( _premultipliedAlpha === true ) { - deleteAttribute( attributes[ name ] ); + r *= a; g *= a; b *= a; } - } - - function removeAttributeBuffer( attribute ) { + state.clearColor( r, g, b, a ); - if ( attribute.isInterleavedBufferAttribute ) { + } - properties.delete( attribute.data ); + function setDefaultGLState() { - } else { + state.init(); - properties.delete( attribute ); + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); - } + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); } - return { + function resetGLState() { - get: function ( object ) { + _currentProgram = null; + _currentCamera = null; - var geometry = object.geometry; - - if ( geometries[ geometry.id ] !== undefined ) { + _currentGeometryProgram = ''; + _currentMaterialId = - 1; - return geometries[ geometry.id ]; + state.reset(); - } + } - geometry.addEventListener( 'dispose', onGeometryDispose ); + setDefaultGLState(); - var buffergeometry; + this.context = _gl; + this.capabilities = capabilities; + this.extensions = extensions; + this.properties = properties; + this.state = state; - if ( geometry.isBufferGeometry ) { + // shadow map - buffergeometry = geometry; + var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); - } else if ( geometry.isGeometry ) { + this.shadowMap = shadowMap; - if ( geometry._bufferGeometry === undefined ) { - geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); + // Plugins - } + var spritePlugin = new SpritePlugin( this, sprites ); + var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); - buffergeometry = geometry._bufferGeometry; + // API - } + this.getContext = function () { - geometries[ geometry.id ] = buffergeometry; + return _gl; - info.memory.geometries ++; + }; - return buffergeometry; + this.getContextAttributes = function () { - } + return _gl.getContextAttributes(); }; - } + this.forceContextLoss = function () { - /** - * @author mrdoob / http://mrdoob.com/ - */ + extensions.get( 'WEBGL_lose_context' ).loseContext(); - function WebGLObjects( gl, properties, info ) { + }; - var geometries = new WebGLGeometries( gl, properties, info ); + this.getMaxAnisotropy = function () { - // + return capabilities.getMaxAnisotropy(); - function update( object ) { + }; - // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. + this.getPrecision = function () { - var geometry = geometries.get( object ); + return capabilities.precision; - if ( object.geometry.isGeometry ) { + }; - geometry.updateFromObject( object ); + this.getPixelRatio = function () { - } + return _pixelRatio; - var index = geometry.index; - var attributes = geometry.attributes; + }; - if ( index !== null ) { + this.setPixelRatio = function ( value ) { - updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); + if ( value === undefined ) return; - } + _pixelRatio = value; - for ( var name in attributes ) { + this.setSize( _viewport.z, _viewport.w, false ); - updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); + }; - } + this.getSize = function () { - // morph targets + return { + width: _width, + height: _height + }; - var morphAttributes = geometry.morphAttributes; + }; - for ( var name in morphAttributes ) { + this.setSize = function ( width, height, updateStyle ) { - var array = morphAttributes[ name ]; + _width = width; + _height = height; - for ( var i = 0, l = array.length; i < l; i ++ ) { + _canvas.width = width * _pixelRatio; + _canvas.height = height * _pixelRatio; - updateAttribute( array[ i ], gl.ARRAY_BUFFER ); + if ( updateStyle !== false ) { - } + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; } - return geometry; + this.setViewport( 0, 0, width, height ); - } + }; - function updateAttribute( attribute, bufferType ) { + this.setViewport = function ( x, y, width, height ) { - var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; + state.viewport( _viewport.set( x, y, width, height ) ); - var attributeProperties = properties.get( data ); + }; - if ( attributeProperties.__webglBuffer === undefined ) { + this.setScissor = function ( x, y, width, height ) { - createBuffer( attributeProperties, data, bufferType ); + state.scissor( _scissor.set( x, y, width, height ) ); - } else if ( attributeProperties.version !== data.version ) { + }; - updateBuffer( attributeProperties, data, bufferType ); + this.setScissorTest = function ( boolean ) { - } + state.setScissorTest( _scissorTest = boolean ); - } + }; - function createBuffer( attributeProperties, data, bufferType ) { + // Clearing - attributeProperties.__webglBuffer = gl.createBuffer(); - gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + this.getClearColor = function () { - var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; + return _clearColor; - gl.bufferData( bufferType, data.array, usage ); + }; - attributeProperties.version = data.version; + this.setClearColor = function ( color, alpha ) { - } + _clearColor.set( color ); - function updateBuffer( attributeProperties, data, bufferType ) { + _clearAlpha = alpha !== undefined ? alpha : 1; - gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - if ( data.dynamic === false ) { + }; - gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); + this.getClearAlpha = function () { - } else if ( data.updateRange.count === - 1 ) { + return _clearAlpha; - // Not using update ranges + }; - gl.bufferSubData( bufferType, 0, data.array ); + this.setClearAlpha = function ( alpha ) { - } else if ( data.updateRange.count === 0 ) { + _clearAlpha = alpha; - console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - } else { + }; - gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, - data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); + this.clear = function ( color, depth, stencil ) { - data.updateRange.count = 0; // reset range + var bits = 0; - } + if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; + if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; + if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; - attributeProperties.version = data.version; + _gl.clear( bits ); - } + }; - function getAttributeBuffer( attribute ) { + this.clearColor = function () { - if ( attribute.isInterleavedBufferAttribute ) { + this.clear( true, false, false ); - return properties.get( attribute.data ).__webglBuffer; + }; - } + this.clearDepth = function () { - return properties.get( attribute ).__webglBuffer; + this.clear( false, true, false ); - } + }; - function getWireframeAttribute( geometry ) { + this.clearStencil = function () { - var property = properties.get( geometry ); + this.clear( false, false, true ); - if ( property.wireframe !== undefined ) { + }; - return property.wireframe; + this.clearTarget = function ( renderTarget, color, depth, stencil ) { - } + this.setRenderTarget( renderTarget ); + this.clear( color, depth, stencil ); - var indices = []; + }; - var index = geometry.index; - var attributes = geometry.attributes; - var position = attributes.position; + // Reset - // console.time( 'wireframe' ); + this.resetGLState = resetGLState; - if ( index !== null ) { + this.dispose = function() { - var edges = {}; - var array = index.array; + transparentObjects = []; + transparentObjectsLastIndex = -1; + opaqueObjects = []; + opaqueObjectsLastIndex = -1; - for ( var i = 0, l = array.length; i < l; i += 3 ) { + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); - var a = array[ i + 0 ]; - var b = array[ i + 1 ]; - var c = array[ i + 2 ]; + }; - indices.push( a, b, b, c, c, a ); + // Events - } + function onContextLost( event ) { - } else { + event.preventDefault(); - var array = attributes.position.array; + resetGLState(); + setDefaultGLState(); - for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + properties.clear(); - var a = i + 0; - var b = i + 1; - var c = i + 2; + } - indices.push( a, b, b, c, c, a ); + function onMaterialDispose( event ) { - } + var material = event.target; - } + material.removeEventListener( 'dispose', onMaterialDispose ); - // console.timeEnd( 'wireframe' ); + deallocateMaterial( material ); - var TypeArray = position.count > 65535 ? Uint32Array : Uint16Array; - var attribute = new BufferAttribute( new TypeArray( indices ), 1 ); + } - updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); + // Buffer deallocation - property.wireframe = attribute; + function deallocateMaterial( material ) { - return attribute; + releaseMaterialProgramReference( material ); + + properties.delete( material ); } - return { - getAttributeBuffer: getAttributeBuffer, - getWireframeAttribute: getWireframeAttribute, + function releaseMaterialProgramReference( material ) { - update: update + var programInfo = properties.get( material ).program; - }; + material.program = undefined; - } + if ( programInfo !== undefined ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + programCache.releaseProgram( programInfo ); - function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { + } - var _infoMemory = info.memory; - var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); + } - // + // Buffer rendering - function clampToMaxSize( image, maxSize ) { + this.renderBufferImmediate = function ( object, program, material ) { - if ( image.width > maxSize || image.height > maxSize ) { + state.initAttributes(); - // Warning: Scaling through the canvas will only work with images that use - // premultiplied alpha. + var buffers = properties.get( object ); - var scale = maxSize / Math.max( image.width, image.height ); + if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); + if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); + if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); + if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = Math.floor( image.width * scale ); - canvas.height = Math.floor( image.height * scale ); + var attributes = program.getAttributes(); - var context = canvas.getContext( '2d' ); - context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); + if ( object.hasPositions ) { - console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); - return canvas; + state.enableAttribute( attributes.position ); + _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); } - return image; - - } - - function isPowerOfTwo( image ) { - - return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); + if ( object.hasNormals ) { - } + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); - function makePowerOfTwo( image ) { + if ( ! material.isMeshPhongMaterial && + ! material.isMeshStandardMaterial && + material.shading === FlatShading ) { - if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { + for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = _Math.nearestPowerOfTwo( image.width ); - canvas.height = _Math.nearestPowerOfTwo( image.height ); + var array = object.normalArray; - var context = canvas.getContext( '2d' ); - context.drawImage( image, 0, 0, canvas.width, canvas.height ); + var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; + var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; + var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; - console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + array[ i + 0 ] = nx; + array[ i + 1 ] = ny; + array[ i + 2 ] = nz; - return canvas; + array[ i + 3 ] = nx; + array[ i + 4 ] = ny; + array[ i + 5 ] = nz; - } + array[ i + 6 ] = nx; + array[ i + 7 ] = ny; + array[ i + 8 ] = nz; - return image; + } - } + } - function textureNeedsPowerOfTwo( texture ) { + _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); - if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true; - if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true; + state.enableAttribute( attributes.normal ); - return false; + _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); - } + } - // Fallback filters for non-power-of-2 textures + if ( object.hasUvs && material.map ) { - function filterFallback( f ) { + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); - if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { + state.enableAttribute( attributes.uv ); - return _gl.NEAREST; + _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); } - return _gl.LINEAR; - - } - - // + if ( object.hasColors && material.vertexColors !== NoColors ) { - function onTextureDispose( event ) { + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); - var texture = event.target; + state.enableAttribute( attributes.color ); - texture.removeEventListener( 'dispose', onTextureDispose ); + _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); - deallocateTexture( texture ); + } - _infoMemory.textures --; + state.disableUnusedAttributes(); + _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); - } + object.count = 0; - function onRenderTargetDispose( event ) { + }; - var renderTarget = event.target; + this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { - renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + setMaterial( material ); - deallocateRenderTarget( renderTarget ); + var program = setProgram( camera, fog, material, object ); - _infoMemory.textures --; + var updateBuffers = false; + var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; - } + if ( geometryProgram !== _currentGeometryProgram ) { - // + _currentGeometryProgram = geometryProgram; + updateBuffers = true; - function deallocateTexture( texture ) { + } - var textureProperties = properties.get( texture ); + // morph targets - if ( texture.image && textureProperties.__image__webglTextureCube ) { + var morphTargetInfluences = object.morphTargetInfluences; - // cube texture + if ( morphTargetInfluences !== undefined ) { - _gl.deleteTexture( textureProperties.__image__webglTextureCube ); + var activeInfluences = []; - } else { + for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { - // 2D texture + var influence = morphTargetInfluences[ i ]; + activeInfluences.push( [ influence, i ] ); - if ( textureProperties.__webglInit === undefined ) return; + } - _gl.deleteTexture( textureProperties.__webglTexture ); + activeInfluences.sort( absNumericalSort ); - } + if ( activeInfluences.length > 8 ) { - // remove all webgl properties - properties.delete( texture ); + activeInfluences.length = 8; - } + } - function deallocateRenderTarget( renderTarget ) { + var morphAttributes = geometry.morphAttributes; - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); + for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { - if ( ! renderTarget ) return; + var influence = activeInfluences[ i ]; + morphInfluences[ i ] = influence[ 0 ]; - if ( textureProperties.__webglTexture !== undefined ) { + if ( influence[ 0 ] !== 0 ) { - _gl.deleteTexture( textureProperties.__webglTexture ); + var index = influence[ 1 ]; - } + if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); + if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); - if ( renderTarget.depthTexture ) { + } else { - renderTarget.depthTexture.dispose(); + if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); + if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); - } + } - if ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) { + } - for ( var i = 0; i < 6; i ++ ) { + for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + morphInfluences[ i ] = 0.0; } - } else { + program.getUniforms().setValue( + _gl, 'morphTargetInfluences', morphInfluences ); - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + updateBuffers = true; } - properties.delete( renderTarget.texture ); - properties.delete( renderTarget ); + // - } + var index = geometry.index; + var position = geometry.attributes.position; + var rangeFactor = 1; - // + if ( material.wireframe === true ) { + index = objects.getWireframeAttribute( geometry ); + rangeFactor = 2; + } - function setTexture2D( texture, slot ) { + var renderer; - var textureProperties = properties.get( texture ); + if ( index !== null ) { - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + renderer = indexedBufferRenderer; + renderer.setIndex( index ); - var image = texture.image; + } else { - if ( image === undefined ) { + renderer = bufferRenderer; - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture ); + } - } else if ( image.complete === false ) { + if ( updateBuffers ) { - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); + setupVertexAttributes( material, program, geometry ); - } else { + if ( index !== null ) { - uploadTexture( textureProperties, texture, slot ); - return; + _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); } } - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + // - } + var dataCount = 0; - function setTextureCube( texture, slot ) { + if ( index !== null ) { - var textureProperties = properties.get( texture ); + dataCount = index.count; - if ( texture.image.length === 6 ) { + } else if ( position !== undefined ) { - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + dataCount = position.count; - if ( ! textureProperties.__image__webglTextureCube ) { + } - texture.addEventListener( 'dispose', onTextureDispose ); + var rangeStart = geometry.drawRange.start * rangeFactor; + var rangeCount = geometry.drawRange.count * rangeFactor; - textureProperties.__image__webglTextureCube = _gl.createTexture(); + var groupStart = group !== null ? group.start * rangeFactor : 0; + var groupCount = group !== null ? group.count * rangeFactor : Infinity; - _infoMemory.textures ++; + var drawStart = Math.max( rangeStart, groupStart ); + var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; - } + var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + if ( drawCount === 0 ) return; - _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + // - var isCompressed = (texture && texture.isCompressedTexture); - var isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture); + if ( object.isMesh ) { - var cubeImage = []; + if ( material.wireframe === true ) { - for ( var i = 0; i < 6; i ++ ) { + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( _gl.LINES ); - if ( ! isCompressed && ! isDataTexture ) { + } else { - cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); + switch ( object.drawMode ) { - } else { + case TrianglesDrawMode: + renderer.setMode( _gl.TRIANGLES ); + break; - cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + case TriangleStripDrawMode: + renderer.setMode( _gl.TRIANGLE_STRIP ); + break; - } + case TriangleFanDrawMode: + renderer.setMode( _gl.TRIANGLE_FAN ); + break; } - var image = cubeImage[ 0 ], - isPowerOfTwoImage = isPowerOfTwo( image ), - glFormat = paramThreeToGL( texture.format ), - glType = paramThreeToGL( texture.type ); - - setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); - - for ( var i = 0; i < 6; i ++ ) { - - if ( ! isCompressed ) { - - if ( isDataTexture ) { + } - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); - } else { + } else if ( object.isLine ) { - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); + var lineWidth = material.linewidth; - } + if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material - } else { + state.setLineWidth( lineWidth * getTargetPixelRatio() ); - var mipmap, mipmaps = cubeImage[ i ].mipmaps; + if ( object.isLineSegments ) { - for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { + renderer.setMode( _gl.LINES ); - mipmap = mipmaps[ j ]; + } else { - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + renderer.setMode( _gl.LINE_STRIP ); - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + } - state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + } else if ( object.isPoints ) { - } else { + renderer.setMode( _gl.POINTS ); - console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); + } - } + if ( geometry && geometry.isInstancedBufferGeometry ) { - } else { + if ( geometry.maxInstancedCount > 0 ) { - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + renderer.renderInstances( geometry, drawStart, drawCount ); - } + } - } + } else { - } + renderer.render( drawStart, drawCount ); - } + } - if ( texture.generateMipmaps && isPowerOfTwoImage ) { + }; - _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + function setupVertexAttributes( material, program, geometry, startIndex ) { - } + var extension; - textureProperties.__version = texture.version; + if ( geometry && geometry.isInstancedBufferGeometry ) { - if ( texture.onUpdate ) texture.onUpdate( texture ); + extension = extensions.get( 'ANGLE_instanced_arrays' ); - } else { + if ( extension === null ) { - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; } } - } + if ( startIndex === undefined ) startIndex = 0; - function setTextureCubeDynamic( texture, slot ) { + state.initAttributes(); - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); + var geometryAttributes = geometry.attributes; - } + var programAttributes = program.getAttributes(); - function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { + var materialDefaultAttributeValues = material.defaultAttributeValues; - var extension; + for ( var name in programAttributes ) { - if ( isPowerOfTwoImage ) { + var programAttribute = programAttributes[ name ]; - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); + if ( programAttribute >= 0 ) { - _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); + var geometryAttribute = geometryAttributes[ name ]; - } else { + if ( geometryAttribute !== undefined ) { - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); + var type = _gl.FLOAT; + var array = geometryAttribute.array; + var normalized = geometryAttribute.normalized; - if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { + if ( array instanceof Float32Array ) { - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture ); + type = _gl.FLOAT; - } + } else if ( array instanceof Float64Array ) { - _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) ); + console.warn( "Unsupported data buffer format: Float64Array" ); - if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { + } else if ( array instanceof Uint16Array ) { - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture ); + type = _gl.UNSIGNED_SHORT; - } + } else if ( array instanceof Int16Array ) { - } + type = _gl.SHORT; - extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + } else if ( array instanceof Uint32Array ) { - if ( extension ) { + type = _gl.UNSIGNED_INT; - if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; - if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return; + } else if ( array instanceof Int32Array ) { - if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + type = _gl.INT; - _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); - properties.get( texture ).__currentAnisotropy = texture.anisotropy; + } else if ( array instanceof Int8Array ) { - } + type = _gl.BYTE; - } + } else if ( array instanceof Uint8Array ) { - } + type = _gl.UNSIGNED_BYTE; - function uploadTexture( textureProperties, texture, slot ) { + } - if ( textureProperties.__webglInit === undefined ) { + var size = geometryAttribute.itemSize; + var buffer = objects.getAttributeBuffer( geometryAttribute ); - textureProperties.__webglInit = true; + if ( geometryAttribute.isInterleavedBufferAttribute ) { - texture.addEventListener( 'dispose', onTextureDispose ); + var data = geometryAttribute.data; + var stride = data.stride; + var offset = geometryAttribute.offset; - textureProperties.__webglTexture = _gl.createTexture(); + if ( data && data.isInstancedInterleavedBuffer ) { - _infoMemory.textures ++; + state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension ); - } + if ( geometry.maxInstancedCount === undefined ) { - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + geometry.maxInstancedCount = data.meshPerAttribute * data.count; - _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); - _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); - _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + } - var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); + } else { - if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { + state.enableAttribute( programAttribute ); - image = makePowerOfTwo( image ); + } - } + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT ); - var isPowerOfTwoImage = isPowerOfTwo( image ), - glFormat = paramThreeToGL( texture.format ), - glType = paramThreeToGL( texture.type ); + } else { - setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); + if ( geometryAttribute.isInstancedBufferAttribute ) { - var mipmap, mipmaps = texture.mipmaps; + state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); - if ( (texture && texture.isDepthTexture) ) { + if ( geometry.maxInstancedCount === undefined ) { - // populate depth texture with dummy data + geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; - var internalFormat = _gl.DEPTH_COMPONENT; + } - if ( texture.type === FloatType ) { + } else { - if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); - internalFormat = _gl.DEPTH_COMPONENT32F; + state.enableAttribute( programAttribute ); - } else if ( _isWebGL2 ) { + } - // WebGL 2.0 requires signed internalformat for glTexImage2D - internalFormat = _gl.DEPTH_COMPONENT16; + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT ); - } + } - // Depth stencil textures need the DEPTH_STENCIL internal format - // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) - if ( texture.format === DepthStencilFormat ) { + } else if ( materialDefaultAttributeValues !== undefined ) { - internalFormat = _gl.DEPTH_STENCIL; + var value = materialDefaultAttributeValues[ name ]; - } + if ( value !== undefined ) { - state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null ); + switch ( value.length ) { - } else if ( (texture && texture.isDataTexture) ) { + case 2: + _gl.vertexAttrib2fv( programAttribute, value ); + break; - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels + case 3: + _gl.vertexAttrib3fv( programAttribute, value ); + break; - if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + case 4: + _gl.vertexAttrib4fv( programAttribute, value ); + break; - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + default: + _gl.vertexAttrib1fv( programAttribute, value ); - mipmap = mipmaps[ i ]; - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + } + + } } - texture.generateMipmaps = false; + } - } else { + } - state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); + state.disableUnusedAttributes(); - } + } - } else if ( (texture && texture.isCompressedTexture) ) { + // Sorting - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + function absNumericalSort( a, b ) { - mipmap = mipmaps[ i ]; + return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + } - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + function painterSortStable( a, b ) { - state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + if ( a.object.renderOrder !== b.object.renderOrder ) { - } else { + return a.object.renderOrder - b.object.renderOrder; - console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); + } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { - } + return a.material.program.id - b.material.program.id; - } else { + } else if ( a.material.id !== b.material.id ) { - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + return a.material.id - b.material.id; - } + } else if ( a.z !== b.z ) { - } + return a.z - b.z; } else { - // regular Texture (image, video, canvas) + return a.id - b.id; - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels + } - if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + } - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + function reversePainterSortStable( a, b ) { - mipmap = mipmaps[ i ]; - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); + if ( a.object.renderOrder !== b.object.renderOrder ) { - } + return a.object.renderOrder - b.object.renderOrder; - texture.generateMipmaps = false; + } if ( a.z !== b.z ) { - } else { + return b.z - a.z; - state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); + } else { - } + return a.id - b.id; } - if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); - - textureProperties.__version = texture.version; - - if ( texture.onUpdate ) texture.onUpdate( texture ); - } - // Render targets + // Rendering - // Setup storage for target texture and bind it to correct framebuffer - function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { + this.render = function ( scene, camera, renderTarget, forceClear ) { - var glFormat = paramThreeToGL( renderTarget.texture.format ); - var glType = paramThreeToGL( renderTarget.texture.type ); - state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + if ( camera !== undefined && camera.isCamera !== true ) { - } + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; - // Setup storage for internal depth/stencil buffers and bind to correct framebuffer - function setupRenderBufferStorage( renderbuffer, renderTarget ) { + } - _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + // reset caching for this frame - if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + _currentCamera = null; - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); - _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + // update scene graph - } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); - _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + // update camera matrices and frustum - } else { + if ( camera.parent === null ) camera.updateMatrixWorld(); - // FIXME: We don't support !depth !stencil - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); - } + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); - _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + lights.length = 0; - } + opaqueObjectsLastIndex = - 1; + transparentObjectsLastIndex = - 1; - // Setup resources for a Depth Texture for a FBO (needs an extension) - function setupDepthTexture( framebuffer, renderTarget ) { + sprites.length = 0; + lensFlares.length = 0; - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + projectObject( scene, camera ); - if ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) { + opaqueObjects.length = opaqueObjectsLastIndex + 1; + transparentObjects.length = transparentObjectsLastIndex + 1; - throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture'); + if ( _this.sortObjects === true ) { - } + opaqueObjects.sort( painterSortStable ); + transparentObjects.sort( reversePainterSortStable ); - // upload an empty depth texture with framebuffer size - if ( !properties.get( renderTarget.depthTexture ).__webglTexture || - renderTarget.depthTexture.image.width !== renderTarget.width || - renderTarget.depthTexture.image.height !== renderTarget.height ) { - renderTarget.depthTexture.image.width = renderTarget.width; - renderTarget.depthTexture.image.height = renderTarget.height; - renderTarget.depthTexture.needsUpdate = true; } - setTexture2D( renderTarget.depthTexture, 0 ); + // - var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; + if ( _clippingEnabled ) _clipping.beginShadows(); - if ( renderTarget.depthTexture.format === DepthFormat ) { + setupShadows( lights ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + shadowMap.render( scene, camera ); - } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + setupLights( lights, camera ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + if ( _clippingEnabled ) _clipping.endShadows(); - } else { + // - throw new Error('Unknown depthTexture format') + _infoRender.calls = 0; + _infoRender.vertices = 0; + _infoRender.faces = 0; + _infoRender.points = 0; - } + if ( renderTarget === undefined ) { - } + renderTarget = null; - // Setup GL resources for a non-texture depth buffer - function setupDepthRenderbuffer( renderTarget ) { + } - var renderTargetProperties = properties.get( renderTarget ); + this.setRenderTarget( renderTarget ); - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + // - if ( renderTarget.depthTexture ) { + var background = scene.background; - if ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets'); + if ( background === null ) { - setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - } else { + } else if ( background && background.isColor ) { - if ( isCube ) { + glClearColor( background.r, background.g, background.b, 1 ); + forceClear = true; - renderTargetProperties.__webglDepthbuffer = []; + } - for ( var i = 0; i < 6; i ++ ) { + if ( this.autoClear || forceClear ) { - _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); - renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); + this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); - } + } - } else { + if ( background && background.isCubeTexture ) { - _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); - renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + backgroundCamera2.projectionMatrix.copy( camera.projectionMatrix ); - } + backgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld ); + backgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld ); - } + backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; + backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + objects.update( backgroundBoxMesh ); - } + _this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); - // Set up GL resources for the render target - function setupRenderTarget( renderTarget ) { + } else if ( background && background.isTexture ) { - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); + backgroundPlaneMesh.material.map = background; - renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + objects.update( backgroundPlaneMesh ); - textureProperties.__webglTexture = _gl.createTexture(); + _this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); - _infoMemory.textures ++; + } - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); + // - // Setup framebuffer + if ( scene.overrideMaterial ) { - if ( isCube ) { + var overrideMaterial = scene.overrideMaterial; - renderTargetProperties.__webglFramebuffer = []; + renderObjects( opaqueObjects, scene, camera, overrideMaterial ); + renderObjects( transparentObjects, scene, camera, overrideMaterial ); - for ( var i = 0; i < 6; i ++ ) { + } else { - renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + // opaque pass (front-to-back order) - } + state.setBlending( NoBlending ); + renderObjects( opaqueObjects, scene, camera ); - } else { + // transparent pass (back-to-front order) - renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + renderObjects( transparentObjects, scene, camera ); } - // Setup color buffer + // custom render plugins (post pass) - if ( isCube ) { + spritePlugin.render( scene, camera ); + lensFlarePlugin.render( scene, camera, _currentViewport ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); - setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); + // Generate mipmap if we're using any kind of mipmap filtering - for ( var i = 0; i < 6; i ++ ) { + if ( renderTarget ) { - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); + textures.updateRenderTargetMipmap( renderTarget ); - } + } - if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); + // Ensure depth buffer writing is enabled so it can be cleared on next render - } else { + state.setDepthTest( true ); + state.setDepthWrite( true ); + state.setColorWrite( true ); - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); + // _gl.finish(); - if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); - state.bindTexture( _gl.TEXTURE_2D, null ); + }; - } + function pushRenderItem( object, geometry, material, z, group ) { - // Setup depth and stencil buffers + var array, index; - if ( renderTarget.depthBuffer ) { + // allocate the next position in the appropriate array - setupDepthRenderbuffer( renderTarget ); + if ( material.transparent ) { + + array = transparentObjects; + index = ++ transparentObjectsLastIndex; + + } else { + + array = opaqueObjects; + index = ++ opaqueObjectsLastIndex; } - } + // recycle existing render item or grow the array - function updateRenderTargetMipmap( renderTarget ) { + var renderItem = array[ index ]; - var texture = renderTarget.texture; + if ( renderItem !== undefined ) { - if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && - texture.minFilter !== NearestFilter && - texture.minFilter !== LinearFilter ) { + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.z = _vector3.z; + renderItem.group = group; - var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; - var webglTexture = properties.get( texture ).__webglTexture; + } else { - state.bindTexture( target, webglTexture ); - _gl.generateMipmap( target ); - state.bindTexture( target, null ); + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + z: _vector3.z, + group: group + }; + + // assert( index === array.length ); + array.push( renderItem ); } } - this.setTexture2D = setTexture2D; - this.setTextureCube = setTextureCube; - this.setTextureCubeDynamic = setTextureCubeDynamic; - this.setupRenderTarget = setupRenderTarget; - this.updateRenderTargetMipmap = updateRenderTargetMipmap; + // TODO Duplicated code (Frustum) - } + function isObjectViewable( object ) { - /** - * @author fordacious / fordacious.github.io - */ + var geometry = object.geometry; - function WebGLProperties() { + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); - var properties = {}; + _sphere.copy( geometry.boundingSphere ). + applyMatrix4( object.matrixWorld ); - return { + return isSphereViewable( _sphere ); - get: function ( object ) { + } - var uuid = object.uuid; - var map = properties[ uuid ]; + function isSpriteViewable( sprite ) { - if ( map === undefined ) { + _sphere.center.set( 0, 0, 0 ); + _sphere.radius = 0.7071067811865476; + _sphere.applyMatrix4( sprite.matrixWorld ); - map = {}; - properties[ uuid ] = map; + return isSphereViewable( _sphere ); - } + } - return map; + function isSphereViewable( sphere ) { - }, + if ( ! _frustum.intersectsSphere( sphere ) ) return false; - delete: function ( object ) { + var numPlanes = _clipping.numPlanes; - delete properties[ object.uuid ]; + if ( numPlanes === 0 ) return true; - }, + var planes = _this.clippingPlanes, - clear: function () { + center = sphere.center, + negRad = - sphere.radius, + i = 0; - properties = {}; + do { - } + // out when deeper than radius in the negative halfspace + if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; - }; + } while ( ++ i !== numPlanes ); - } + return true; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function WebGLState( gl, extensions, paramThreeToGL ) { + function projectObject( object, camera ) { - function ColorBuffer() { + if ( object.visible === false ) return; - var locked = false; + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; - var color = new Vector4(); - var currentColorMask = null; - var currentColorClear = new Vector4(); + if ( visible ) { - return { + if ( object.isLight ) { - setMask: function ( colorMask ) { + lights.push( object ); - if ( currentColorMask !== colorMask && ! locked ) { + } else if ( object.isSprite ) { - gl.colorMask( colorMask, colorMask, colorMask, colorMask ); - currentColorMask = colorMask; + if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { + + sprites.push( object ); } - }, + } else if ( object.isLensFlare ) { - setLocked: function ( lock ) { + lensFlares.push( object ); - locked = lock; + } else if ( object.isImmediateRenderObject ) { - }, + if ( _this.sortObjects === true ) { - setClear: function ( r, g, b, a ) { + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); - color.set( r, g, b, a ); + } - if ( currentColorClear.equals( color ) === false ) { + pushRenderItem( object, null, object.material, _vector3.z, null ); - gl.clearColor( r, g, b, a ); - currentColorClear.copy( color ); + } else if ( object.isMesh || object.isLine || object.isPoints ) { - } + if ( object.isSkinnedMesh ) { - }, + object.skeleton.update(); - reset: function () { + } - locked = false; + if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { - currentColorMask = null; - currentColorClear.set( 0, 0, 0, 1 ); + var material = object.material; - } + if ( material.visible === true ) { - }; + if ( _this.sortObjects === true ) { - } + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); - function DepthBuffer() { + } - var locked = false; + var geometry = objects.update( object ); - var currentDepthMask = null; - var currentDepthFunc = null; - var currentDepthClear = null; + if ( material.isMultiMaterial ) { - return { + var groups = geometry.groups; + var materials = material.materials; - setTest: function ( depthTest ) { + for ( var i = 0, l = groups.length; i < l; i ++ ) { - if ( depthTest ) { + var group = groups[ i ]; + var groupMaterial = materials[ group.materialIndex ]; - enable( gl.DEPTH_TEST ); + if ( groupMaterial.visible === true ) { - } else { + pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); - disable( gl.DEPTH_TEST ); + } - } + } - }, + } else { - setMask: function ( depthMask ) { + pushRenderItem( object, geometry, material, _vector3.z, null ); - if ( currentDepthMask !== depthMask && ! locked ) { + } - gl.depthMask( depthMask ); - currentDepthMask = depthMask; + } } - }, + } - setFunc: function ( depthFunc ) { + } - if ( currentDepthFunc !== depthFunc ) { + var children = object.children; - if ( depthFunc ) { + for ( var i = 0, l = children.length; i < l; i ++ ) { - switch ( depthFunc ) { + projectObject( children[ i ], camera ); - case NeverDepth: + } - gl.depthFunc( gl.NEVER ); - break; + } - case AlwaysDepth: + function renderObjects( renderList, scene, camera, overrideMaterial ) { - gl.depthFunc( gl.ALWAYS ); - break; + for ( var i = 0, l = renderList.length; i < l; i ++ ) { - case LessDepth: + var renderItem = renderList[ i ]; - gl.depthFunc( gl.LESS ); - break; + var object = renderItem.object; + var geometry = renderItem.geometry; + var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; + var group = renderItem.group; - case LessEqualDepth: + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); - gl.depthFunc( gl.LEQUAL ); - break; + object.onBeforeRender( _this, scene, camera, geometry, material, group ); - case EqualDepth: + if ( object.isImmediateRenderObject ) { - gl.depthFunc( gl.EQUAL ); - break; + setMaterial( material ); - case GreaterEqualDepth: + var program = setProgram( camera, scene.fog, material, object ); - gl.depthFunc( gl.GEQUAL ); - break; + _currentGeometryProgram = ''; - case GreaterDepth: + object.render( function ( object ) { - gl.depthFunc( gl.GREATER ); - break; + _this.renderBufferImmediate( object, program, material ); - case NotEqualDepth: + } ); - gl.depthFunc( gl.NOTEQUAL ); - break; + } else { - default: + _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); - gl.depthFunc( gl.LEQUAL ); + } - } + object.onAfterRender( _this, scene, camera, geometry, material, group ); - } else { - gl.depthFunc( gl.LEQUAL ); + } - } + } - currentDepthFunc = depthFunc; + function initMaterial( material, fog, object ) { - } + var materialProperties = properties.get( material ); - }, + var parameters = programCache.getParameters( + material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); - setLocked: function ( lock ) { + var code = programCache.getProgramCode( material, parameters ); - locked = lock; + var program = materialProperties.program; + var programChange = true; - }, + if ( program === undefined ) { - setClear: function ( depth ) { + // new material + material.addEventListener( 'dispose', onMaterialDispose ); - if ( currentDepthClear !== depth ) { + } else if ( program.code !== code ) { - gl.clearDepth( depth ); - currentDepthClear = depth; + // changed glsl or parameters + releaseMaterialProgramReference( material ); - } + } else if ( parameters.shaderID !== undefined ) { - }, + // same glsl and uniform list + return; - reset: function () { + } else { - locked = false; + // only rebuild uniform list + programChange = false; - currentDepthMask = null; - currentDepthFunc = null; - currentDepthClear = null; + } - } + if ( programChange ) { - }; + if ( parameters.shaderID ) { - } + var shader = ShaderLib[ parameters.shaderID ]; - function StencilBuffer() { + materialProperties.__webglShader = { + name: material.type, + uniforms: UniformsUtils.clone( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader + }; - var locked = false; + } else { - var currentStencilMask = null; - var currentStencilFunc = null; - var currentStencilRef = null; - var currentStencilFuncMask = null; - var currentStencilFail = null; - var currentStencilZFail = null; - var currentStencilZPass = null; - var currentStencilClear = null; + materialProperties.__webglShader = { + name: material.type, + uniforms: material.uniforms, + vertexShader: material.vertexShader, + fragmentShader: material.fragmentShader + }; - return { + } - setTest: function ( stencilTest ) { + material.__webglShader = materialProperties.__webglShader; - if ( stencilTest ) { + program = programCache.acquireProgram( material, parameters, code ); - enable( gl.STENCIL_TEST ); + materialProperties.program = program; + material.program = program; - } else { + } - disable( gl.STENCIL_TEST ); + var attributes = program.getAttributes(); - } + if ( material.morphTargets ) { - }, + material.numSupportedMorphTargets = 0; - setMask: function ( stencilMask ) { + for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { - if ( currentStencilMask !== stencilMask && ! locked ) { + if ( attributes[ 'morphTarget' + i ] >= 0 ) { - gl.stencilMask( stencilMask ); - currentStencilMask = stencilMask; + material.numSupportedMorphTargets ++; } - }, - - setFunc: function ( stencilFunc, stencilRef, stencilMask ) { - - if ( currentStencilFunc !== stencilFunc || - currentStencilRef !== stencilRef || - currentStencilFuncMask !== stencilMask ) { + } - gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + } - currentStencilFunc = stencilFunc; - currentStencilRef = stencilRef; - currentStencilFuncMask = stencilMask; + if ( material.morphNormals ) { - } + material.numSupportedMorphNormals = 0; - }, + for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { - setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + if ( attributes[ 'morphNormal' + i ] >= 0 ) { - if ( currentStencilFail !== stencilFail || - currentStencilZFail !== stencilZFail || - currentStencilZPass !== stencilZPass ) { + material.numSupportedMorphNormals ++; - gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + } - currentStencilFail = stencilFail; - currentStencilZFail = stencilZFail; - currentStencilZPass = stencilZPass; + } - } + } - }, + var uniforms = materialProperties.__webglShader.uniforms; - setLocked: function ( lock ) { + if ( ! material.isShaderMaterial && + ! material.isRawShaderMaterial || + material.clipping === true ) { - locked = lock; + materialProperties.numClippingPlanes = _clipping.numPlanes; + materialProperties.numIntersection = _clipping.numIntersection; + uniforms.clippingPlanes = _clipping.uniform; - }, + } - setClear: function ( stencil ) { + materialProperties.fog = fog; - if ( currentStencilClear !== stencil ) { + // store the light setup it was created for - gl.clearStencil( stencil ); - currentStencilClear = stencil; + materialProperties.lightsHash = _lights.hash; - } + if ( material.lights ) { - }, + // wire up the material to this renderer's lighting state - reset: function () { + uniforms.ambientLightColor.value = _lights.ambient; + uniforms.directionalLights.value = _lights.directional; + uniforms.spotLights.value = _lights.spot; + uniforms.pointLights.value = _lights.point; + uniforms.hemisphereLights.value = _lights.hemi; - locked = false; + uniforms.directionalShadowMap.value = _lights.directionalShadowMap; + uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; + uniforms.spotShadowMap.value = _lights.spotShadowMap; + uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; + uniforms.pointShadowMap.value = _lights.pointShadowMap; + uniforms.pointShadowMatrix.value = _lights.pointShadowMatrix; - currentStencilMask = null; - currentStencilFunc = null; - currentStencilRef = null; - currentStencilFuncMask = null; - currentStencilFail = null; - currentStencilZFail = null; - currentStencilZPass = null; - currentStencilClear = null; + } - } + var progUniforms = materialProperties.program.getUniforms(), + uniformsList = + WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); - }; + materialProperties.uniformsList = uniformsList; } - // + function setMaterial( material ) { - var colorBuffer = new ColorBuffer(); - var depthBuffer = new DepthBuffer(); - var stencilBuffer = new StencilBuffer(); + material.side === DoubleSide + ? state.disable( _gl.CULL_FACE ) + : state.enable( _gl.CULL_FACE ); - var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); - var newAttributes = new Uint8Array( maxVertexAttributes ); - var enabledAttributes = new Uint8Array( maxVertexAttributes ); - var attributeDivisors = new Uint8Array( maxVertexAttributes ); + state.setFlipSided( material.side === BackSide ); - var capabilities = {}; + material.transparent === true + ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) + : state.setBlending( NoBlending ); - var compressedTextureFormats = null; + state.setDepthFunc( material.depthFunc ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + state.setColorWrite( material.colorWrite ); + state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); - var currentBlending = null; - var currentBlendEquation = null; - var currentBlendSrc = null; - var currentBlendDst = null; - var currentBlendEquationAlpha = null; - var currentBlendSrcAlpha = null; - var currentBlendDstAlpha = null; - var currentPremultipledAlpha = false; + } - var currentFlipSided = null; - var currentCullFace = null; + function setProgram( camera, fog, material, object ) { - var currentLineWidth = null; + _usedTextureUnits = 0; - var currentPolygonOffsetFactor = null; - var currentPolygonOffsetUnits = null; + var materialProperties = properties.get( material ); - var currentScissorTest = null; + if ( _clippingEnabled ) { - var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + if ( _localClippingEnabled || camera !== _currentCamera ) { - var currentTextureSlot = null; - var currentBoundTextures = {}; + var useCache = + camera === _currentCamera && + material.id === _currentMaterialId; - var currentScissor = new Vector4(); - var currentViewport = new Vector4(); + // we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + _clipping.setState( + material.clippingPlanes, material.clipIntersection, material.clipShadows, + camera, materialProperties, useCache ); - function createTexture( type, target, count ) { + } - var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. - var texture = gl.createTexture(); + } - gl.bindTexture( type, texture ); - gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + if ( material.needsUpdate === false ) { - for ( var i = 0; i < count; i ++ ) { + if ( materialProperties.program === undefined ) { - gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + material.needsUpdate = true; - } + } else if ( material.fog && materialProperties.fog !== fog ) { - return texture; + material.needsUpdate = true; - } + } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { - var emptyTextures = {}; - emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); - emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); + material.needsUpdate = true; - // + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== _clipping.numPlanes || + materialProperties.numIntersection !== _clipping.numIntersection ) ) { - function init() { + material.needsUpdate = true; - clearColor( 0, 0, 0, 1 ); - clearDepth( 1 ); - clearStencil( 0 ); + } - enable( gl.DEPTH_TEST ); - setDepthFunc( LessEqualDepth ); + } - setFlipSided( false ); - setCullFace( CullFaceBack ); - enable( gl.CULL_FACE ); + if ( material.needsUpdate ) { - enable( gl.BLEND ); - setBlending( NormalBlending ); + initMaterial( material, fog, object ); + material.needsUpdate = false; - } + } - function initAttributes() { + var refreshProgram = false; + var refreshMaterial = false; + var refreshLights = false; - for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { + var program = materialProperties.program, + p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.__webglShader.uniforms; - newAttributes[ i ] = 0; + if ( program.id !== _currentProgram ) { - } + _gl.useProgram( program.program ); + _currentProgram = program.id; - } + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; - function enableAttribute( attribute ) { + } - newAttributes[ attribute ] = 1; + if ( material.id !== _currentMaterialId ) { - if ( enabledAttributes[ attribute ] === 0 ) { + _currentMaterialId = material.id; - gl.enableVertexAttribArray( attribute ); - enabledAttributes[ attribute ] = 1; + refreshMaterial = true; } - if ( attributeDivisors[ attribute ] !== 0 ) { + if ( refreshProgram || camera !== _currentCamera ) { - var extension = extensions.get( 'ANGLE_instanced_arrays' ); + p_uniforms.set( _gl, camera, 'projectionMatrix' ); - extension.vertexAttribDivisorANGLE( attribute, 0 ); - attributeDivisors[ attribute ] = 0; + if ( capabilities.logarithmicDepthBuffer ) { - } + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); - } + } - function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { - newAttributes[ attribute ] = 1; + if ( camera !== _currentCamera ) { - if ( enabledAttributes[ attribute ] === 0 ) { + _currentCamera = camera; - gl.enableVertexAttribArray( attribute ); - enabledAttributes[ attribute ] = 1; + // lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: - } + refreshMaterial = true; // set to true on material change + refreshLights = true; // remains set until update done - if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + } - extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute ); - attributeDivisors[ attribute ] = meshPerAttribute; + // load material specific uniforms + // (shader material also gets them for the sake of genericity) - } + if ( material.isShaderMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.envMap ) { - } + var uCamPos = p_uniforms.map.cameraPosition; - function disableUnusedAttributes() { + if ( uCamPos !== undefined ) { - for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); - if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + } - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; + } + + if ( material.isMeshPhongMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.skinning ) { + + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); } + p_uniforms.set( _gl, _this, 'toneMappingExposure' ); + p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); + } - } + // skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // not sure why, but otherwise weird things happen - function enable( id ) { + if ( material.skinning ) { - if ( capabilities[ id ] !== true ) { + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); - gl.enable( id ); - capabilities[ id ] = true; + var skeleton = object.skeleton; - } + if ( skeleton ) { - } + if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { - function disable( id ) { + p_uniforms.set( _gl, skeleton, 'boneTexture' ); + p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); + p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); - if ( capabilities[ id ] !== false ) { + } else { - gl.disable( id ); - capabilities[ id ] = false; + p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + + } + + } } - } + if ( refreshMaterial ) { - function getCompressedTextureFormats() { + if ( material.lights ) { - if ( compressedTextureFormats === null ) { + // the current material requires lighting info - compressedTextureFormats = []; + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required - if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || - extensions.get( 'WEBGL_compressed_texture_s3tc' ) || - extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); - var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); + } - for ( var i = 0; i < formats.length; i ++ ) { + // refresh uniforms common to several materials - compressedTextureFormats.push( formats[ i ] ); + if ( fog && material.fog ) { - } + refreshUniformsFog( m_uniforms, fog ); } - } + if ( material.isMeshBasicMaterial || + material.isMeshLambertMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.isMeshDepthMaterial ) { - return compressedTextureFormats; + refreshUniformsCommon( m_uniforms, material ); - } + } - function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + // refresh single material specific uniforms - if ( blending !== NoBlending ) { + if ( material.isLineBasicMaterial ) { - enable( gl.BLEND ); + refreshUniformsLine( m_uniforms, material ); - } else { + } else if ( material.isLineDashedMaterial ) { - disable( gl.BLEND ); + refreshUniformsLine( m_uniforms, material ); + refreshUniformsDash( m_uniforms, material ); - } + } else if ( material.isPointsMaterial ) { - if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + refreshUniformsPoints( m_uniforms, material ); - if ( blending === AdditiveBlending ) { + } else if ( material.isMeshLambertMaterial ) { - if ( premultipliedAlpha ) { + refreshUniformsLambert( m_uniforms, material ); - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); + } else if ( material.isMeshPhongMaterial ) { - } else { + refreshUniformsPhong( m_uniforms, material ); - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); + } else if ( material.isMeshPhysicalMaterial ) { - } + refreshUniformsPhysical( m_uniforms, material ); - } else if ( blending === SubtractiveBlending ) { + } else if ( material.isMeshStandardMaterial ) { - if ( premultipliedAlpha ) { + refreshUniformsStandard( m_uniforms, material ); - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); + } else if ( material.isMeshDepthMaterial ) { - } else { + if ( material.displacementMap ) { - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); + m_uniforms.displacementMap.value = material.displacementMap; + m_uniforms.displacementScale.value = material.displacementScale; + m_uniforms.displacementBias.value = material.displacementBias; } - } else if ( blending === MultiplyBlending ) { + } else if ( material.isMeshNormalMaterial ) { - if ( premultipliedAlpha ) { + m_uniforms.opacity.value = material.opacity; - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); + } - } else { + WebGLUniforms.upload( + _gl, materialProperties.uniformsList, m_uniforms, _this ); - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); + } - } - } else { + // common matrices - if ( premultipliedAlpha ) { + p_uniforms.set( _gl, object, 'modelViewMatrix' ); + p_uniforms.set( _gl, object, 'normalMatrix' ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + return program; - } else { + } - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + // Uniforms (refresh uniforms objects) - } + function refreshUniformsCommon( uniforms, material ) { - } + uniforms.opacity.value = material.opacity; - currentBlending = blending; - currentPremultipledAlpha = premultipliedAlpha; + uniforms.diffuse.value = material.color; + + if ( material.emissive ) { + + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); } - if ( blending === CustomBlending ) { + uniforms.map.value = material.map; + uniforms.specularMap.value = material.specularMap; + uniforms.alphaMap.value = material.alphaMap; - blendEquationAlpha = blendEquationAlpha || blendEquation; - blendSrcAlpha = blendSrcAlpha || blendSrc; - blendDstAlpha = blendDstAlpha || blendDst; + if ( material.aoMap ) { - if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; - gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); + } - currentBlendEquation = blendEquation; - currentBlendEquationAlpha = blendEquationAlpha; + // uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. normal map + // 4. bump map + // 5. alpha map + // 6. emissive map - } + var uvScaleMap; - if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + if ( material.map ) { - gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); + uvScaleMap = material.map; - currentBlendSrc = blendSrc; - currentBlendDst = blendDst; - currentBlendSrcAlpha = blendSrcAlpha; - currentBlendDstAlpha = blendDstAlpha; + } else if ( material.specularMap ) { - } + uvScaleMap = material.specularMap; - } else { + } else if ( material.displacementMap ) { - currentBlendEquation = null; - currentBlendSrc = null; - currentBlendDst = null; - currentBlendEquationAlpha = null; - currentBlendSrcAlpha = null; - currentBlendDstAlpha = null; + uvScaleMap = material.displacementMap; - } + } else if ( material.normalMap ) { - } + uvScaleMap = material.normalMap; - // TODO Deprecate + } else if ( material.bumpMap ) { - function setColorWrite( colorWrite ) { + uvScaleMap = material.bumpMap; - colorBuffer.setMask( colorWrite ); + } else if ( material.roughnessMap ) { - } + uvScaleMap = material.roughnessMap; - function setDepthTest( depthTest ) { + } else if ( material.metalnessMap ) { - depthBuffer.setTest( depthTest ); + uvScaleMap = material.metalnessMap; - } + } else if ( material.alphaMap ) { - function setDepthWrite( depthWrite ) { + uvScaleMap = material.alphaMap; - depthBuffer.setMask( depthWrite ); + } else if ( material.emissiveMap ) { - } + uvScaleMap = material.emissiveMap; - function setDepthFunc( depthFunc ) { + } - depthBuffer.setFunc( depthFunc ); + if ( uvScaleMap !== undefined ) { - } + // backwards compatibility + if ( uvScaleMap.isWebGLRenderTarget ) { - function setStencilTest( stencilTest ) { + uvScaleMap = uvScaleMap.texture; - stencilBuffer.setTest( stencilTest ); + } - } + var offset = uvScaleMap.offset; + var repeat = uvScaleMap.repeat; - function setStencilWrite( stencilWrite ) { + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); - stencilBuffer.setMask( stencilWrite ); + } - } + uniforms.envMap.value = material.envMap; - function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { + // don't flip CubeTexture envMaps, flip everything else: + // WebGLRenderTargetCube will be flipped for backwards compatibility + // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture + // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future + uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; - stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); + uniforms.reflectivity.value = material.reflectivity; + uniforms.refractionRatio.value = material.refractionRatio; } - function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { + function refreshUniformsLine( uniforms, material ) { - stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; } - // + function refreshUniformsDash( uniforms, material ) { - function setFlipSided( flipSided ) { + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; - if ( currentFlipSided !== flipSided ) { + } - if ( flipSided ) { + function refreshUniformsPoints( uniforms, material ) { - gl.frontFace( gl.CW ); + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * _pixelRatio; + uniforms.scale.value = _height * 0.5; - } else { + uniforms.map.value = material.map; - gl.frontFace( gl.CCW ); + if ( material.map !== null ) { - } + var offset = material.map.offset; + var repeat = material.map.repeat; - currentFlipSided = flipSided; + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); } } - function setCullFace( cullFace ) { + function refreshUniformsFog( uniforms, fog ) { - if ( cullFace !== CullFaceNone ) { + uniforms.fogColor.value = fog.color; - enable( gl.CULL_FACE ); + if ( fog.isFog ) { - if ( cullFace !== currentCullFace ) { + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; - if ( cullFace === CullFaceBack ) { + } else if ( fog.isFogExp2 ) { - gl.cullFace( gl.BACK ); + uniforms.fogDensity.value = fog.density; - } else if ( cullFace === CullFaceFront ) { + } - gl.cullFace( gl.FRONT ); + } - } else { + function refreshUniformsLambert( uniforms, material ) { - gl.cullFace( gl.FRONT_AND_BACK ); + if ( material.lightMap ) { - } + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; - } + } - } else { + if ( material.emissiveMap ) { - disable( gl.CULL_FACE ); + uniforms.emissiveMap.value = material.emissiveMap; } - currentCullFace = cullFace; - } - function setLineWidth( width ) { + function refreshUniformsPhong( uniforms, material ) { - if ( width !== currentLineWidth ) { + uniforms.specular.value = material.specular; + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) - gl.lineWidth( width ); + if ( material.lightMap ) { - currentLineWidth = width; + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; } - } + if ( material.emissiveMap ) { - function setPolygonOffset( polygonOffset, factor, units ) { + uniforms.emissiveMap.value = material.emissiveMap; - if ( polygonOffset ) { + } - enable( gl.POLYGON_OFFSET_FILL ); + if ( material.bumpMap ) { - if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; - gl.polygonOffset( factor, units ); + } - currentPolygonOffsetFactor = factor; - currentPolygonOffsetUnits = units; + if ( material.normalMap ) { - } + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); - } else { + } - disable( gl.POLYGON_OFFSET_FILL ); + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; } } - function getScissorTest() { + function refreshUniformsStandard( uniforms, material ) { - return currentScissorTest; + uniforms.roughness.value = material.roughness; + uniforms.metalness.value = material.metalness; - } + if ( material.roughnessMap ) { - function setScissorTest( scissorTest ) { + uniforms.roughnessMap.value = material.roughnessMap; - currentScissorTest = scissorTest; + } - if ( scissorTest ) { + if ( material.metalnessMap ) { - enable( gl.SCISSOR_TEST ); + uniforms.metalnessMap.value = material.metalnessMap; - } else { + } - disable( gl.SCISSOR_TEST ); + if ( material.lightMap ) { - } + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; - } + } - // texture + if ( material.emissiveMap ) { - function activeTexture( webglSlot ) { + uniforms.emissiveMap.value = material.emissiveMap; - if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; + } - if ( currentTextureSlot !== webglSlot ) { + if ( material.bumpMap ) { - gl.activeTexture( webglSlot ); - currentTextureSlot = webglSlot; + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; } - } + if ( material.normalMap ) { - function bindTexture( webglType, webglTexture ) { + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); - if ( currentTextureSlot === null ) { + } - activeTexture(); + if ( material.displacementMap ) { - } + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; - var boundTexture = currentBoundTextures[ currentTextureSlot ]; + } - if ( boundTexture === undefined ) { + if ( material.envMap ) { - boundTexture = { type: undefined, texture: undefined }; - currentBoundTextures[ currentTextureSlot ] = boundTexture; + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; } - if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + } - gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + function refreshUniformsPhysical( uniforms, material ) { - boundTexture.type = webglType; - boundTexture.texture = webglTexture; + uniforms.clearCoat.value = material.clearCoat; + uniforms.clearCoatRoughness.value = material.clearCoatRoughness; - } + refreshUniformsStandard( uniforms, material ); } - function compressedTexImage2D() { - - try { - - gl.compressedTexImage2D.apply( gl, arguments ); + // If uniforms are marked as clean, they don't need to be loaded to the GPU. - } catch ( error ) { + function markUniformsLightsNeedsUpdate( uniforms, value ) { - console.error( error ); + uniforms.ambientLightColor.needsUpdate = value; - } + uniforms.directionalLights.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; } - function texImage2D() { - - try { - - gl.texImage2D.apply( gl, arguments ); - - } catch ( error ) { - - console.error( error ); - - } - - } + // Lighting - // TODO Deprecate + function setupShadows( lights ) { - function clearColor( r, g, b, a ) { + var lightShadowsLength = 0; - colorBuffer.setClear( r, g, b, a ); + for ( var i = 0, l = lights.length; i < l; i ++ ) { - } + var light = lights[ i ]; - function clearDepth( depth ) { + if ( light.castShadow ) { - depthBuffer.setClear( depth ); + _lights.shadows[ lightShadowsLength ++ ] = light; - } + } - function clearStencil( stencil ) { + } - stencilBuffer.setClear( stencil ); + _lights.shadows.length = lightShadowsLength; } - // + function setupLights( lights, camera ) { - function scissor( scissor ) { + var l, ll, light, + r = 0, g = 0, b = 0, + color, + intensity, + distance, + shadowMap, - if ( currentScissor.equals( scissor ) === false ) { + viewMatrix = camera.matrixWorldInverse, - gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); - currentScissor.copy( scissor ); + directionalLength = 0, + pointLength = 0, + spotLength = 0, + hemiLength = 0; - } + for ( l = 0, ll = lights.length; l < ll; l ++ ) { - } + light = lights[ l ]; - function viewport( viewport ) { + color = light.color; + intensity = light.intensity; + distance = light.distance; - if ( currentViewport.equals( viewport ) === false ) { + shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; - gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); - currentViewport.copy( viewport ); + if ( light.isAmbientLight ) { - } + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; - } + } else if ( light.isDirectionalLight ) { - // + var uniforms = lightCache.get( light ); - function reset() { + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); - for ( var i = 0; i < enabledAttributes.length; i ++ ) { + uniforms.shadow = light.castShadow; - if ( enabledAttributes[ i ] === 1 ) { + if ( light.castShadow ) { - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - } + } - } + _lights.directionalShadowMap[ directionalLength ] = shadowMap; + _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + _lights.directional[ directionalLength ++ ] = uniforms; - capabilities = {}; + } else if ( light.isSpotLight ) { - compressedTextureFormats = null; + var uniforms = lightCache.get( light ); - currentTextureSlot = null; - currentBoundTextures = {}; + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); - currentBlending = null; + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.distance = distance; - currentFlipSided = null; - currentCullFace = null; + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); - colorBuffer.reset(); - depthBuffer.reset(); - stencilBuffer.reset(); + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; - } + uniforms.shadow = light.castShadow; - return { + if ( light.castShadow ) { - buffers: { - color: colorBuffer, - depth: depthBuffer, - stencil: stencilBuffer - }, + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - init: init, - initAttributes: initAttributes, - enableAttribute: enableAttribute, - enableAttributeAndDivisor: enableAttributeAndDivisor, - disableUnusedAttributes: disableUnusedAttributes, - enable: enable, - disable: disable, - getCompressedTextureFormats: getCompressedTextureFormats, + } - setBlending: setBlending, + _lights.spotShadowMap[ spotLength ] = shadowMap; + _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + _lights.spot[ spotLength ++ ] = uniforms; - setColorWrite: setColorWrite, - setDepthTest: setDepthTest, - setDepthWrite: setDepthWrite, - setDepthFunc: setDepthFunc, - setStencilTest: setStencilTest, - setStencilWrite: setStencilWrite, - setStencilFunc: setStencilFunc, - setStencilOp: setStencilOp, + } else if ( light.isPointLight ) { - setFlipSided: setFlipSided, - setCullFace: setCullFace, + var uniforms = lightCache.get( light ); - setLineWidth: setLineWidth, - setPolygonOffset: setPolygonOffset, + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); - getScissorTest: getScissorTest, - setScissorTest: setScissorTest, + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.distance = light.distance; + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; - activeTexture: activeTexture, - bindTexture: bindTexture, - compressedTexImage2D: compressedTexImage2D, - texImage2D: texImage2D, + uniforms.shadow = light.castShadow; - clearColor: clearColor, - clearDepth: clearDepth, - clearStencil: clearStencil, + if ( light.castShadow ) { - scissor: scissor, - viewport: viewport, + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - reset: reset + } - }; + _lights.pointShadowMap[ pointLength ] = shadowMap; - } + if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); - function WebGLCapabilities( gl, extensions, parameters ) { + } - var maxAnisotropy; + // for point lights we set the shadow matrix to be a translation-only matrix + // equal to inverse of the light's position + _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); + _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); - function getMaxAnisotropy() { + _lights.point[ pointLength ++ ] = uniforms; - if ( maxAnisotropy !== undefined ) return maxAnisotropy; + } else if ( light.isHemisphereLight ) { - var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + var uniforms = lightCache.get( light ); - if ( extension !== null ) { + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + uniforms.direction.normalize(); - maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); - } else { + _lights.hemi[ hemiLength ++ ] = uniforms; - maxAnisotropy = 0; + } } - return maxAnisotropy; + _lights.ambient[ 0 ] = r; + _lights.ambient[ 1 ] = g; + _lights.ambient[ 2 ] = b; - } + _lights.directional.length = directionalLength; + _lights.spot.length = spotLength; + _lights.point.length = pointLength; + _lights.hemi.length = hemiLength; - function getMaxPrecision( precision ) { + _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length; - if ( precision === 'highp' ) { + } - if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && - gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { + // GL state setting - return 'highp'; + this.setFaceCulling = function ( cullFace, frontFaceDirection ) { - } + state.setCullFace( cullFace ); + state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); - precision = 'mediump'; + }; - } + // Textures - if ( precision === 'mediump' ) { + function allocTextureUnit() { - if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && - gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { + var textureUnit = _usedTextureUnits; - return 'mediump'; + if ( textureUnit >= capabilities.maxTextures ) { - } + console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); } - return 'lowp'; - - } - - var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; - var maxPrecision = getMaxPrecision( precision ); - - if ( maxPrecision !== precision ) { + _usedTextureUnits += 1; - console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); - precision = maxPrecision; + return textureUnit; } - var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' ); - - var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); - var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); - var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); - var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); + this.allocTextureUnit = allocTextureUnit; - var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); - var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); - var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); - var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); + // this.setTexture2D = setTexture2D; + this.setTexture2D = ( function() { - var vertexTextures = maxVertexTextures > 0; - var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); - var floatVertexTextures = vertexTextures && floatFragmentTextures; + var warned = false; - return { + // backwards compatibility: peel texture.texture + return function setTexture2D( texture, slot ) { - getMaxAnisotropy: getMaxAnisotropy, - getMaxPrecision: getMaxPrecision, + if ( texture && texture.isWebGLRenderTarget ) { - precision: precision, - logarithmicDepthBuffer: logarithmicDepthBuffer, + if ( ! warned ) { - maxTextures: maxTextures, - maxVertexTextures: maxVertexTextures, - maxTextureSize: maxTextureSize, - maxCubemapSize: maxCubemapSize, + console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); + warned = true; - maxAttributes: maxAttributes, - maxVertexUniforms: maxVertexUniforms, - maxVaryings: maxVaryings, - maxFragmentUniforms: maxFragmentUniforms, + } - vertexTextures: vertexTextures, - floatFragmentTextures: floatFragmentTextures, - floatVertexTextures: floatVertexTextures + texture = texture.texture; - }; + } - } + textures.setTexture2D( texture, slot ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + }; - function WebGLExtensions( gl ) { + }() ); - var extensions = {}; + this.setTexture = ( function() { - return { + var warned = false; - get: function ( name ) { + return function setTexture( texture, slot ) { - if ( extensions[ name ] !== undefined ) { + if ( ! warned ) { - return extensions[ name ]; + console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); + warned = true; } - var extension; + textures.setTexture2D( texture, slot ); - switch ( name ) { + }; - case 'WEBGL_depth_texture': - extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); - break; + }() ); - case 'EXT_texture_filter_anisotropic': - extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); - break; + this.setTextureCube = ( function() { - case 'WEBGL_compressed_texture_s3tc': - extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); - break; + var warned = false; - case 'WEBGL_compressed_texture_pvrtc': - extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); - break; + return function setTextureCube( texture, slot ) { - case 'WEBGL_compressed_texture_etc1': - extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); - break; + // backwards compatibility: peel texture.texture + if ( texture && texture.isWebGLRenderTargetCube ) { - default: - extension = gl.getExtension( name ); + if ( ! warned ) { - } + console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); + warned = true; - if ( extension === null ) { + } - console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + texture = texture.texture; } - extensions[ name ] = extension; + // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture + // TODO: unify these code paths + if ( ( texture && texture.isCubeTexture ) || + ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { - return extension; + // CompressedTexture can have Array in image :/ - } + // this function alone should take care of cube textures + textures.setTextureCube( texture, slot ); - }; + } else { - } + // assumed: texture property of THREE.WebGLRenderTargetCube - /** - * @author tschw - */ + textures.setTextureCubeDynamic( texture, slot ); - function WebGLClipping() { + } - var scope = this, + }; - globalState = null, - numGlobalPlanes = 0, - localClippingEnabled = false, - renderingShadows = false, + }() ); - plane = new Plane(), - viewNormalMatrix = new Matrix3(), + this.getCurrentRenderTarget = function() { - uniform = { value: null, needsUpdate: false }; + return _currentRenderTarget; - this.uniform = uniform; - this.numPlanes = 0; - this.numIntersection = 0; + }; - this.init = function( planes, enableLocalClipping, camera ) { + this.setRenderTarget = function ( renderTarget ) { - var enabled = - planes.length !== 0 || - enableLocalClipping || - // enable state of previous frame - the clipping code has to - // run another frame in order to reset the state: - numGlobalPlanes !== 0 || - localClippingEnabled; + _currentRenderTarget = renderTarget; - localClippingEnabled = enableLocalClipping; + if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { - globalState = projectPlanes( planes, camera, 0 ); - numGlobalPlanes = planes.length; + textures.setupRenderTarget( renderTarget ); - return enabled; + } - }; + var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); + var framebuffer; - this.beginShadows = function() { + if ( renderTarget ) { - renderingShadows = true; - projectPlanes( null ); + var renderTargetProperties = properties.get( renderTarget ); - }; + if ( isCube ) { - this.endShadows = function() { + framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; - renderingShadows = false; - resetGlobalState(); + } else { - }; + framebuffer = renderTargetProperties.__webglFramebuffer; - this.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { + } - if ( ! localClippingEnabled || - planes === null || planes.length === 0 || - renderingShadows && ! clipShadows ) { - // there's no local clipping + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; - if ( renderingShadows ) { - // there's no global clipping + _currentViewport.copy( renderTarget.viewport ); - projectPlanes( null ); + } else { - } else { + framebuffer = null; - resetGlobalState(); - } + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); + _currentScissorTest = _scissorTest; - } else { + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); - var nGlobal = renderingShadows ? 0 : numGlobalPlanes, - lGlobal = nGlobal * 4, + } - dstArray = cache.clippingState || null; + if ( _currentFramebuffer !== framebuffer ) { - uniform.value = dstArray; // ensure unique state + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _currentFramebuffer = framebuffer; - dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); + } - for ( var i = 0; i !== lGlobal; ++ i ) { + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); - dstArray[ i ] = globalState[ i ]; + state.viewport( _currentViewport ); - } + if ( isCube ) { - cache.clippingState = dstArray; - this.numIntersection = clipIntersection ? this.numPlanes : 0; - this.numPlanes += nGlobal; + var textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); } - }; - function resetGlobalState() { + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { - if ( uniform.value !== globalState ) { + if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { - uniform.value = globalState; - uniform.needsUpdate = numGlobalPlanes > 0; + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; } - scope.numPlanes = numGlobalPlanes; - scope.numIntersection = 0; + var framebuffer = properties.get( renderTarget ).__webglFramebuffer; - } + if ( framebuffer ) { - function projectPlanes( planes, camera, dstOffset, skipTransform ) { + var restore = false; - var nPlanes = planes !== null ? planes.length : 0, - dstArray = null; + if ( framebuffer !== _currentFramebuffer ) { - if ( nPlanes !== 0 ) { + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - dstArray = uniform.value; + restore = true; - if ( skipTransform !== true || dstArray === null ) { + } - var flatSize = dstOffset + nPlanes * 4, - viewMatrix = camera.matrixWorldInverse; + try { - viewNormalMatrix.getNormalMatrix( viewMatrix ); + var texture = renderTarget.texture; + var textureFormat = texture.format; + var textureType = texture.type; - if ( dstArray === null || dstArray.length < flatSize ) { + if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { - dstArray = new Float32Array( flatSize ); + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; } - for ( var i = 0, i4 = dstOffset; - i !== nPlanes; ++ i, i4 += 4 ) { - - plane.copy( planes[ i ] ). - applyMatrix4( viewMatrix, viewNormalMatrix ); + if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) { - plane.normal.toArray( dstArray, i4 ); - dstArray[ i4 + 3 ] = plane.constant; + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; } - } + if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { - uniform.value = dstArray; - uniform.needsUpdate = true; + // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) - } + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { - scope.numPlanes = nPlanes; - - return dstArray; + _gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); - } + } - } + } else { - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - * @author tschw - */ + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); - function WebGLRenderer( parameters ) { + } - console.log( 'THREE.WebGLRenderer', REVISION ); + } finally { - parameters = parameters || {}; + if ( restore ) { - var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), - _context = parameters.context !== undefined ? parameters.context : null, + _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); - _alpha = parameters.alpha !== undefined ? parameters.alpha : false, - _depth = parameters.depth !== undefined ? parameters.depth : true, - _stencil = parameters.stencil !== undefined ? parameters.stencil : true, - _antialias = parameters.antialias !== undefined ? parameters.antialias : false, - _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, - _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false; + } - var lights = []; + } - var opaqueObjects = []; - var opaqueObjectsLastIndex = - 1; - var transparentObjects = []; - var transparentObjectsLastIndex = - 1; + } - var morphInfluences = new Float32Array( 8 ); + }; - var sprites = []; - var lensFlares = []; + // Map three.js constants to WebGL constants - // public properties + function paramThreeToGL( p ) { - this.domElement = _canvas; - this.context = null; + var extension; - // clearing + if ( p === RepeatWrapping ) return _gl.REPEAT; + if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; + if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; - this.autoClear = true; - this.autoClearColor = true; - this.autoClearDepth = true; - this.autoClearStencil = true; + if ( p === NearestFilter ) return _gl.NEAREST; + if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; + if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; - // scene graph + if ( p === LinearFilter ) return _gl.LINEAR; + if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; + if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; - this.sortObjects = true; + if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; - // user-defined clipping + if ( p === ByteType ) return _gl.BYTE; + if ( p === ShortType ) return _gl.SHORT; + if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; + if ( p === IntType ) return _gl.INT; + if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; + if ( p === FloatType ) return _gl.FLOAT; - this.clippingPlanes = []; - this.localClippingEnabled = false; + if ( p === HalfFloatType ) { - // physically based shading + extension = extensions.get( 'OES_texture_half_float' ); - this.gammaFactor = 2.0; // for backwards compatibility - this.gammaInput = false; - this.gammaOutput = false; + if ( extension !== null ) return extension.HALF_FLOAT_OES; - // physical lights + } - this.physicallyCorrectLights = false; + if ( p === AlphaFormat ) return _gl.ALPHA; + if ( p === RGBFormat ) return _gl.RGB; + if ( p === RGBAFormat ) return _gl.RGBA; + if ( p === LuminanceFormat ) return _gl.LUMINANCE; + if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; + if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; - // tone mapping + if ( p === AddEquation ) return _gl.FUNC_ADD; + if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; + if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; - this.toneMapping = LinearToneMapping; - this.toneMappingExposure = 1.0; - this.toneMappingWhitePoint = 1.0; + if ( p === ZeroFactor ) return _gl.ZERO; + if ( p === OneFactor ) return _gl.ONE; + if ( p === SrcColorFactor ) return _gl.SRC_COLOR; + if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; + if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; + if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; + if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; + if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; - // morphs + if ( p === DstColorFactor ) return _gl.DST_COLOR; + if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; + if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; - this.maxMorphTargets = 8; - this.maxMorphNormals = 4; + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || + p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { - // internal properties + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); - var _this = this, + if ( extension !== null ) { - // internal state cache + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; - _currentProgram = null, - _currentRenderTarget = null, - _currentFramebuffer = null, - _currentMaterialId = - 1, - _currentGeometryProgram = '', - _currentCamera = null, + } - _currentScissor = new Vector4(), - _currentScissorTest = null, + } - _currentViewport = new Vector4(), + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || + p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { - // + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - _usedTextureUnits = 0, + if ( extension !== null ) { - // + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; - _clearColor = new Color( 0x000000 ), - _clearAlpha = 0, + } - _width = _canvas.width, - _height = _canvas.height, + } - _pixelRatio = 1, + if ( p === RGB_ETC1_Format ) { - _scissor = new Vector4( 0, 0, _width, _height ), - _scissorTest = false, + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); - _viewport = new Vector4( 0, 0, _width, _height ), + if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; - // frustum + } - _frustum = new Frustum(), + if ( p === MinEquation || p === MaxEquation ) { - // clipping + extension = extensions.get( 'EXT_blend_minmax' ); - _clipping = new WebGLClipping(), - _clippingEnabled = false, - _localClippingEnabled = false, + if ( extension !== null ) { - _sphere = new Sphere(), + if ( p === MinEquation ) return extension.MIN_EXT; + if ( p === MaxEquation ) return extension.MAX_EXT; - // camera matrices cache + } - _projScreenMatrix = new Matrix4(), + } - _vector3 = new Vector3(), + if ( p === UnsignedInt248Type ) { - // light arrays cache + extension = extensions.get( 'WEBGL_depth_texture' ); - _lights = { + if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; - hash: '', + } - ambient: [ 0, 0, 0 ], - directional: [], - directionalShadowMap: [], - directionalShadowMatrix: [], - spot: [], - spotShadowMap: [], - spotShadowMatrix: [], - point: [], - pointShadowMap: [], - pointShadowMatrix: [], - hemi: [], + return 0; - shadows: [] + } - }, + } - // info + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - _infoRender = { + function FogExp2 ( color, density ) { - calls: 0, - vertices: 0, - faces: 0, - points: 0 + this.name = ''; - }; + this.color = new Color( color ); + this.density = ( density !== undefined ) ? density : 0.00025; - this.info = { + } - render: _infoRender, - memory: { + FogExp2.prototype.isFogExp2 = true; - geometries: 0, - textures: 0 + FogExp2.prototype.clone = function () { - }, - programs: null + return new FogExp2( this.color.getHex(), this.density ); - }; + }; + FogExp2.prototype.toJSON = function ( meta ) { - // initialize + return { + type: 'FogExp2', + color: this.color.getHex(), + density: this.density + }; - var _gl; + }; - try { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - var attributes = { - alpha: _alpha, - depth: _depth, - stencil: _stencil, - antialias: _antialias, - premultipliedAlpha: _premultipliedAlpha, - preserveDrawingBuffer: _preserveDrawingBuffer - }; + function Fog ( color, near, far ) { - _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); + this.name = ''; - if ( _gl === null ) { + this.color = new Color( color ); - if ( _canvas.getContext( 'webgl' ) !== null ) { + this.near = ( near !== undefined ) ? near : 1; + this.far = ( far !== undefined ) ? far : 1000; - throw 'Error creating WebGL context with your selected attributes.'; + } - } else { + Fog.prototype.isFog = true; - throw 'Error creating WebGL context.'; + Fog.prototype.clone = function () { - } + return new Fog( this.color.getHex(), this.near, this.far ); - } + }; - // Some experimental-webgl implementations do not have getShaderPrecisionFormat + Fog.prototype.toJSON = function ( meta ) { - if ( _gl.getShaderPrecisionFormat === undefined ) { + return { + type: 'Fog', + color: this.color.getHex(), + near: this.near, + far: this.far + }; - _gl.getShaderPrecisionFormat = function () { + }; - return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + /** + * @author mrdoob / http://mrdoob.com/ + */ - }; + function Scene () { - } + Object3D.call( this ); - _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + this.type = 'Scene'; - } catch ( error ) { + this.background = null; + this.fog = null; + this.overrideMaterial = null; - console.error( 'THREE.WebGLRenderer: ' + error ); + this.autoUpdate = true; // checked by the renderer - } + } - var extensions = new WebGLExtensions( _gl ); + Scene.prototype = Object.create( Object3D.prototype ); - extensions.get( 'WEBGL_depth_texture' ); - extensions.get( 'OES_texture_float' ); - extensions.get( 'OES_texture_float_linear' ); - extensions.get( 'OES_texture_half_float' ); - extensions.get( 'OES_texture_half_float_linear' ); - extensions.get( 'OES_standard_derivatives' ); - extensions.get( 'ANGLE_instanced_arrays' ); + Scene.prototype.constructor = Scene; - if ( extensions.get( 'OES_element_index_uint' ) ) { + Scene.prototype.copy = function ( source, recursive ) { - BufferGeometry.MaxIndex = 4294967296; + Object3D.prototype.copy.call( this, source, recursive ); - } + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); - var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + this.autoUpdate = source.autoUpdate; + this.matrixAutoUpdate = source.matrixAutoUpdate; - var state = new WebGLState( _gl, extensions, paramThreeToGL ); - var properties = new WebGLProperties(); - var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); - var objects = new WebGLObjects( _gl, properties, this.info ); - var programCache = new WebGLPrograms( this, capabilities ); - var lightCache = new WebGLLights(); + return this; - this.info.programs = programCache.programs; + }; - var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); - var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); + Scene.prototype.toJSON = function ( meta ) { - // + var data = Object3D.prototype.toJSON.call( this, meta ); - var backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); - var backgroundCamera2 = new PerspectiveCamera(); - var backgroundPlaneMesh = new Mesh( - new PlaneBufferGeometry( 2, 2 ), - new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) - ); - var backgroundBoxShader = ShaderLib[ 'cube' ]; - var backgroundBoxMesh = new Mesh( - new BoxBufferGeometry( 5, 5, 5 ), - new ShaderMaterial( { - uniforms: backgroundBoxShader.uniforms, - vertexShader: backgroundBoxShader.vertexShader, - fragmentShader: backgroundBoxShader.fragmentShader, - side: BackSide, - depthTest: false, - depthWrite: false, - fog: false - } ) - ); + if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); - // + return data; - function getTargetPixelRatio() { + }; - return _currentRenderTarget === null ? _pixelRatio : 1; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - } + function LensFlare( texture, size, distance, blending, color ) { - function glClearColor( r, g, b, a ) { + Object3D.call( this ); - if ( _premultipliedAlpha === true ) { + this.lensFlares = []; - r *= a; g *= a; b *= a; + this.positionScreen = new Vector3(); + this.customUpdateCallback = undefined; - } + if ( texture !== undefined ) { - state.clearColor( r, g, b, a ); + this.add( texture, size, distance, blending, color ); } - function setDefaultGLState() { + } - state.init(); + LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), { - state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); - state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); + constructor: LensFlare, - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + isLensFlare: true, - } + copy: function ( source ) { - function resetGLState() { + Object3D.prototype.copy.call( this, source ); - _currentProgram = null; - _currentCamera = null; + this.positionScreen.copy( source.positionScreen ); + this.customUpdateCallback = source.customUpdateCallback; - _currentGeometryProgram = ''; - _currentMaterialId = - 1; + for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) { - state.reset(); + this.lensFlares.push( source.lensFlares[ i ] ); - } + } - setDefaultGLState(); + return this; - this.context = _gl; - this.capabilities = capabilities; - this.extensions = extensions; - this.properties = properties; - this.state = state; + }, - // shadow map + add: function ( texture, size, distance, blending, color, opacity ) { - var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); + if ( size === undefined ) size = - 1; + if ( distance === undefined ) distance = 0; + if ( opacity === undefined ) opacity = 1; + if ( color === undefined ) color = new Color( 0xffffff ); + if ( blending === undefined ) blending = NormalBlending; - this.shadowMap = shadowMap; + distance = Math.min( distance, Math.max( 0, distance ) ); + this.lensFlares.push( { + texture: texture, // THREE.Texture + size: size, // size in pixels (-1 = use texture.width) + distance: distance, // distance (0-1) from light source (0=at light source) + x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back + scale: 1, // scale + rotation: 0, // rotation + opacity: opacity, // opacity + color: color, // color + blending: blending // blending + } ); - // Plugins + }, - var spritePlugin = new SpritePlugin( this, sprites ); - var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); + /* + * Update lens flares update positions on all flares based on the screen position + * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way. + */ - // API + updateLensFlares: function () { - this.getContext = function () { + var f, fl = this.lensFlares.length; + var flare; + var vecX = - this.positionScreen.x * 2; + var vecY = - this.positionScreen.y * 2; - return _gl; + for ( f = 0; f < fl; f ++ ) { - }; + flare = this.lensFlares[ f ]; - this.getContextAttributes = function () { + flare.x = this.positionScreen.x + vecX * flare.distance; + flare.y = this.positionScreen.y + vecY * flare.distance; - return _gl.getContextAttributes(); + flare.wantedRotation = flare.x * Math.PI * 0.25; + flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25; - }; + } - this.forceContextLoss = function () { + } - extensions.get( 'WEBGL_lose_context' ).loseContext(); + } ); - }; + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * uvOffset: new THREE.Vector2(), + * uvScale: new THREE.Vector2() + * } + */ - this.getMaxAnisotropy = function () { + function SpriteMaterial( parameters ) { - return capabilities.getMaxAnisotropy(); + Material.call( this ); - }; + this.type = 'SpriteMaterial'; - this.getPrecision = function () { - - return capabilities.precision; - - }; - - this.getPixelRatio = function () { - - return _pixelRatio; - - }; + this.color = new Color( 0xffffff ); + this.map = null; - this.setPixelRatio = function ( value ) { + this.rotation = 0; - if ( value === undefined ) return; + this.fog = false; + this.lights = false; - _pixelRatio = value; + this.setValues( parameters ); - this.setSize( _viewport.z, _viewport.w, false ); + } - }; + SpriteMaterial.prototype = Object.create( Material.prototype ); + SpriteMaterial.prototype.constructor = SpriteMaterial; - this.getSize = function () { + SpriteMaterial.prototype.copy = function ( source ) { - return { - width: _width, - height: _height - }; + Material.prototype.copy.call( this, source ); - }; + this.color.copy( source.color ); + this.map = source.map; - this.setSize = function ( width, height, updateStyle ) { + this.rotation = source.rotation; - _width = width; - _height = height; + return this; - _canvas.width = width * _pixelRatio; - _canvas.height = height * _pixelRatio; + }; - if ( updateStyle !== false ) { + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - _canvas.style.width = width + 'px'; - _canvas.style.height = height + 'px'; + function Sprite( material ) { - } + Object3D.call( this ); - this.setViewport( 0, 0, width, height ); + this.type = 'Sprite'; - }; + this.material = ( material !== undefined ) ? material : new SpriteMaterial(); - this.setViewport = function ( x, y, width, height ) { + } - state.viewport( _viewport.set( x, y, width, height ) ); + Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { - }; + constructor: Sprite, - this.setScissor = function ( x, y, width, height ) { + isSprite: true, - state.scissor( _scissor.set( x, y, width, height ) ); + raycast: ( function () { - }; + var matrixPosition = new Vector3(); - this.setScissorTest = function ( boolean ) { + return function raycast( raycaster, intersects ) { - state.setScissorTest( _scissorTest = boolean ); + matrixPosition.setFromMatrixPosition( this.matrixWorld ); - }; + var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition ); + var guessSizeSq = this.scale.x * this.scale.y / 4; - // Clearing + if ( distanceSq > guessSizeSq ) { - this.getClearColor = function () { + return; - return _clearColor; + } - }; + intersects.push( { - this.setClearColor = function ( color, alpha ) { + distance: Math.sqrt( distanceSq ), + point: this.position, + face: null, + object: this - _clearColor.set( color ); + } ); - _clearAlpha = alpha !== undefined ? alpha : 1; + }; - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + }() ), - }; + clone: function () { - this.getClearAlpha = function () { + return new this.constructor( this.material ).copy( this ); - return _clearAlpha; + } - }; + } ); - this.setClearAlpha = function ( alpha ) { + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - _clearAlpha = alpha; + function LOD() { - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + Object3D.call( this ); - }; + this.type = 'LOD'; - this.clear = function ( color, depth, stencil ) { + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + } + } ); - var bits = 0; + } - if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; - if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; - if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; - _gl.clear( bits ); + LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { - }; + constructor: LOD, - this.clearColor = function () { + copy: function ( source ) { - this.clear( true, false, false ); + Object3D.prototype.copy.call( this, source, false ); - }; + var levels = source.levels; - this.clearDepth = function () { + for ( var i = 0, l = levels.length; i < l; i ++ ) { - this.clear( false, true, false ); + var level = levels[ i ]; - }; + this.addLevel( level.object.clone(), level.distance ); - this.clearStencil = function () { + } - this.clear( false, false, true ); + return this; - }; + }, - this.clearTarget = function ( renderTarget, color, depth, stencil ) { + addLevel: function ( object, distance ) { - this.setRenderTarget( renderTarget ); - this.clear( color, depth, stencil ); + if ( distance === undefined ) distance = 0; - }; + distance = Math.abs( distance ); - // Reset + var levels = this.levels; - this.resetGLState = resetGLState; + for ( var l = 0; l < levels.length; l ++ ) { - this.dispose = function() { + if ( distance < levels[ l ].distance ) { - transparentObjects = []; - transparentObjectsLastIndex = -1; - opaqueObjects = []; - opaqueObjectsLastIndex = -1; + break; - _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + } - }; + } - // Events + levels.splice( l, 0, { distance: distance, object: object } ); - function onContextLost( event ) { + this.add( object ); - event.preventDefault(); + }, - resetGLState(); - setDefaultGLState(); + getObjectForDistance: function ( distance ) { - properties.clear(); + var levels = this.levels; - } + for ( var i = 1, l = levels.length; i < l; i ++ ) { - function onMaterialDispose( event ) { + if ( distance < levels[ i ].distance ) { - var material = event.target; + break; - material.removeEventListener( 'dispose', onMaterialDispose ); + } - deallocateMaterial( material ); + } - } + return levels[ i - 1 ].object; - // Buffer deallocation + }, - function deallocateMaterial( material ) { + raycast: ( function () { - releaseMaterialProgramReference( material ); + var matrixPosition = new Vector3(); - properties.delete( material ); + return function raycast( raycaster, intersects ) { - } + matrixPosition.setFromMatrixPosition( this.matrixWorld ); + var distance = raycaster.ray.origin.distanceTo( matrixPosition ); - function releaseMaterialProgramReference( material ) { + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); - var programInfo = properties.get( material ).program; + }; - material.program = undefined; + }() ), - if ( programInfo !== undefined ) { + update: function () { - programCache.releaseProgram( programInfo ); + var v1 = new Vector3(); + var v2 = new Vector3(); - } + return function update( camera ) { - } + var levels = this.levels; - // Buffer rendering + if ( levels.length > 1 ) { - this.renderBufferImmediate = function ( object, program, material ) { + v1.setFromMatrixPosition( camera.matrixWorld ); + v2.setFromMatrixPosition( this.matrixWorld ); - state.initAttributes(); + var distance = v1.distanceTo( v2 ); - var buffers = properties.get( object ); + levels[ 0 ].object.visible = true; - if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); - if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); - if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); - if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); + for ( var i = 1, l = levels.length; i < l; i ++ ) { - var attributes = program.getAttributes(); + if ( distance >= levels[ i ].distance ) { - if ( object.hasPositions ) { + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); + } else { - state.enableAttribute( attributes.position ); - _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); + break; - } + } - if ( object.hasNormals ) { + } - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); + for ( ; i < l; i ++ ) { - if ( ! material.isMeshPhongMaterial && - ! material.isMeshStandardMaterial && - material.shading === FlatShading ) { + levels[ i ].object.visible = false; - for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { + } - var array = object.normalArray; + } - var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; - var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; - var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; + }; - array[ i + 0 ] = nx; - array[ i + 1 ] = ny; - array[ i + 2 ] = nz; + }(), - array[ i + 3 ] = nx; - array[ i + 4 ] = ny; - array[ i + 5 ] = nz; + toJSON: function ( meta ) { - array[ i + 6 ] = nx; - array[ i + 7 ] = ny; - array[ i + 8 ] = nz; + var data = Object3D.prototype.toJSON.call( this, meta ); - } + data.object.levels = []; - } + var levels = this.levels; - _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); + for ( var i = 0, l = levels.length; i < l; i ++ ) { - state.enableAttribute( attributes.normal ); + var level = levels[ i ]; - _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance + } ); } - if ( object.hasUvs && material.map ) { - - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); + return data; - state.enableAttribute( attributes.uv ); + } - _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); + } ); - } + /** + * @author alteredq / http://alteredqualia.com/ + */ - if ( object.hasColors && material.vertexColors !== NoColors ) { + function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - state.enableAttribute( attributes.color ); + this.image = { data: data, width: width, height: height }; - _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - } + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; - state.disableUnusedAttributes(); + } - _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); + DataTexture.prototype = Object.create( Texture.prototype ); + DataTexture.prototype.constructor = DataTexture; - object.count = 0; + DataTexture.prototype.isDataTexture = true; - }; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author michael guerrero / http://realitymeltdown.com + * @author ikerr / http://verold.com + */ - this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { + function Skeleton( bones, boneInverses, useVertexTexture ) { - setMaterial( material ); + this.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true; - var program = setProgram( camera, fog, material, object ); + this.identityMatrix = new Matrix4(); - var updateBuffers = false; - var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; + // copy the bone array - if ( geometryProgram !== _currentGeometryProgram ) { + bones = bones || []; - _currentGeometryProgram = geometryProgram; - updateBuffers = true; + this.bones = bones.slice( 0 ); - } + // create a bone texture or an array of floats - // morph targets + if ( this.useVertexTexture ) { - var morphTargetInfluences = object.morphTargetInfluences; + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) - if ( morphTargetInfluences !== undefined ) { - var activeInfluences = []; + var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix + size = _Math.nextPowerOfTwo( Math.ceil( size ) ); + size = Math.max( size, 4 ); - for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { + this.boneTextureWidth = size; + this.boneTextureHeight = size; - var influence = morphTargetInfluences[ i ]; - activeInfluences.push( [ influence, i ] ); + this.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel + this.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType ); - } + } else { - activeInfluences.sort( absNumericalSort ); + this.boneMatrices = new Float32Array( 16 * this.bones.length ); - if ( activeInfluences.length > 8 ) { + } - activeInfluences.length = 8; + // use the supplied bone inverses or calculate the inverses - } + if ( boneInverses === undefined ) { - var morphAttributes = geometry.morphAttributes; + this.calculateInverses(); - for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { + } else { - var influence = activeInfluences[ i ]; - morphInfluences[ i ] = influence[ 0 ]; + if ( this.bones.length === boneInverses.length ) { - if ( influence[ 0 ] !== 0 ) { + this.boneInverses = boneInverses.slice( 0 ); - var index = influence[ 1 ]; + } else { - if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); - if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); + console.warn( 'THREE.Skeleton bonInverses is the wrong length.' ); - } else { + this.boneInverses = []; - if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); - if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - } + this.boneInverses.push( new Matrix4() ); } - for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { + } - morphInfluences[ i ] = 0.0; + } - } + } - program.getUniforms().setValue( - _gl, 'morphTargetInfluences', morphInfluences ); + Object.assign( Skeleton.prototype, { - updateBuffers = true; + calculateInverses: function () { - } + this.boneInverses = []; - // + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - var index = geometry.index; - var position = geometry.attributes.position; - var rangeFactor = 1; + var inverse = new Matrix4(); - if ( material.wireframe === true ) { + if ( this.bones[ b ] ) { - index = objects.getWireframeAttribute( geometry ); - rangeFactor = 2; + inverse.getInverse( this.bones[ b ].matrixWorld ); - } + } - var renderer; + this.boneInverses.push( inverse ); - if ( index !== null ) { + } - renderer = indexedBufferRenderer; - renderer.setIndex( index ); + }, - } else { + pose: function () { - renderer = bufferRenderer; + var bone; - } + // recover the bind-time world matrices - if ( updateBuffers ) { + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - setupVertexAttributes( material, program, geometry ); + bone = this.bones[ b ]; - if ( index !== null ) { + if ( bone ) { - _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); + bone.matrixWorld.getInverse( this.boneInverses[ b ] ); } } - // - - var dataCount = 0; + // compute the local matrices, positions, rotations and scales - if ( index !== null ) { + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - dataCount = index.count; + bone = this.bones[ b ]; - } else if ( position !== undefined ) { + if ( bone ) { - dataCount = position.count; + if ( (bone.parent && bone.parent.isBone) ) { - } + bone.matrix.getInverse( bone.parent.matrixWorld ); + bone.matrix.multiply( bone.matrixWorld ); - var rangeStart = geometry.drawRange.start * rangeFactor; - var rangeCount = geometry.drawRange.count * rangeFactor; + } else { - var groupStart = group !== null ? group.start * rangeFactor : 0; - var groupCount = group !== null ? group.count * rangeFactor : Infinity; + bone.matrix.copy( bone.matrixWorld ); - var drawStart = Math.max( rangeStart, groupStart ); - var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; + } - var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); - if ( drawCount === 0 ) return; + } - // + } - if ( object.isMesh ) { + }, - if ( material.wireframe === true ) { + update: ( function () { - state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); - renderer.setMode( _gl.LINES ); + var offsetMatrix = new Matrix4(); - } else { + return function update() { - switch ( object.drawMode ) { + // flatten bone matrices to array - case TrianglesDrawMode: - renderer.setMode( _gl.TRIANGLES ); - break; + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - case TriangleStripDrawMode: - renderer.setMode( _gl.TRIANGLE_STRIP ); - break; + // compute the offset between the current and the original transform - case TriangleFanDrawMode: - renderer.setMode( _gl.TRIANGLE_FAN ); - break; + var matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix; - } + offsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] ); + offsetMatrix.toArray( this.boneMatrices, b * 16 ); } + if ( this.useVertexTexture ) { - } else if ( object.isLine ) { + this.boneTexture.needsUpdate = true; - var lineWidth = material.linewidth; + } - if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material + }; - state.setLineWidth( lineWidth * getTargetPixelRatio() ); + } )(), - if ( object.isLineSegments ) { + clone: function () { - renderer.setMode( _gl.LINES ); + return new Skeleton( this.bones, this.boneInverses, this.useVertexTexture ); - } else { - - renderer.setMode( _gl.LINE_STRIP ); - - } + } - } else if ( object.isPoints ) { + } ); - renderer.setMode( _gl.POINTS ); + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ - } + function Bone( skin ) { - if ( geometry && geometry.isInstancedBufferGeometry ) { + Object3D.call( this ); - if ( geometry.maxInstancedCount > 0 ) { + this.type = 'Bone'; - renderer.renderInstances( geometry, drawStart, drawCount ); + this.skin = skin; - } + } - } else { + Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { - renderer.render( drawStart, drawCount ); + constructor: Bone, - } + isBone: true, - }; + copy: function ( source ) { - function setupVertexAttributes( material, program, geometry, startIndex ) { + Object3D.prototype.copy.call( this, source ); - var extension; + this.skin = source.skin; - if ( geometry && geometry.isInstancedBufferGeometry ) { + return this; - extension = extensions.get( 'ANGLE_instanced_arrays' ); + } - if ( extension === null ) { + } ); - console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ - } + function SkinnedMesh( geometry, material, useVertexTexture ) { - } + Mesh.call( this, geometry, material ); - if ( startIndex === undefined ) startIndex = 0; + this.type = 'SkinnedMesh'; - state.initAttributes(); + this.bindMode = "attached"; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); - var geometryAttributes = geometry.attributes; + // init bones - var programAttributes = program.getAttributes(); + // TODO: remove bone creation as there is no reason (other than + // convenience) for THREE.SkinnedMesh to do this. - var materialDefaultAttributeValues = material.defaultAttributeValues; + var bones = []; - for ( var name in programAttributes ) { + if ( this.geometry && this.geometry.bones !== undefined ) { - var programAttribute = programAttributes[ name ]; + var bone, gbone; - if ( programAttribute >= 0 ) { + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { - var geometryAttribute = geometryAttributes[ name ]; + gbone = this.geometry.bones[ b ]; - if ( geometryAttribute !== undefined ) { + bone = new Bone( this ); + bones.push( bone ); - var type = _gl.FLOAT; - var array = geometryAttribute.array; - var normalized = geometryAttribute.normalized; + bone.name = gbone.name; + bone.position.fromArray( gbone.pos ); + bone.quaternion.fromArray( gbone.rotq ); + if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); - if ( array instanceof Float32Array ) { + } - type = _gl.FLOAT; + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { - } else if ( array instanceof Float64Array ) { + gbone = this.geometry.bones[ b ]; - console.warn( "Unsupported data buffer format: Float64Array" ); + if ( gbone.parent !== - 1 && gbone.parent !== null && + bones[ gbone.parent ] !== undefined ) { - } else if ( array instanceof Uint16Array ) { + bones[ gbone.parent ].add( bones[ b ] ); - type = _gl.UNSIGNED_SHORT; + } else { - } else if ( array instanceof Int16Array ) { + this.add( bones[ b ] ); - type = _gl.SHORT; + } - } else if ( array instanceof Uint32Array ) { + } - type = _gl.UNSIGNED_INT; + } - } else if ( array instanceof Int32Array ) { + this.normalizeSkinWeights(); - type = _gl.INT; + this.updateMatrixWorld( true ); + this.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld ); - } else if ( array instanceof Int8Array ) { + } - type = _gl.BYTE; - } else if ( array instanceof Uint8Array ) { + SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { - type = _gl.UNSIGNED_BYTE; + constructor: SkinnedMesh, - } + isSkinnedMesh: true, - var size = geometryAttribute.itemSize; - var buffer = objects.getAttributeBuffer( geometryAttribute ); + bind: function( skeleton, bindMatrix ) { - if ( geometryAttribute.isInterleavedBufferAttribute ) { + this.skeleton = skeleton; - var data = geometryAttribute.data; - var stride = data.stride; - var offset = geometryAttribute.offset; + if ( bindMatrix === undefined ) { - if ( data && data.isInstancedInterleavedBuffer ) { + this.updateMatrixWorld( true ); - state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension ); + this.skeleton.calculateInverses(); - if ( geometry.maxInstancedCount === undefined ) { + bindMatrix = this.matrixWorld; - geometry.maxInstancedCount = data.meshPerAttribute * data.count; + } - } + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.getInverse( bindMatrix ); - } else { + }, - state.enableAttribute( programAttribute ); + pose: function () { - } + this.skeleton.pose(); - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT ); + }, - } else { + normalizeSkinWeights: function () { - if ( geometryAttribute.isInstancedBufferAttribute ) { + if ( (this.geometry && this.geometry.isGeometry) ) { - state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); + for ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) { - if ( geometry.maxInstancedCount === undefined ) { + var sw = this.geometry.skinWeights[ i ]; - geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + var scale = 1.0 / sw.lengthManhattan(); - } + if ( scale !== Infinity ) { - } else { + sw.multiplyScalar( scale ); - state.enableAttribute( programAttribute ); + } else { - } + sw.set( 1, 0, 0, 0 ); // do something reasonable - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT ); + } - } + } - } else if ( materialDefaultAttributeValues !== undefined ) { + } else if ( (this.geometry && this.geometry.isBufferGeometry) ) { - var value = materialDefaultAttributeValues[ name ]; + var vec = new Vector4(); - if ( value !== undefined ) { + var skinWeight = this.geometry.attributes.skinWeight; - switch ( value.length ) { + for ( var i = 0; i < skinWeight.count; i ++ ) { - case 2: - _gl.vertexAttrib2fv( programAttribute, value ); - break; + vec.x = skinWeight.getX( i ); + vec.y = skinWeight.getY( i ); + vec.z = skinWeight.getZ( i ); + vec.w = skinWeight.getW( i ); - case 3: - _gl.vertexAttrib3fv( programAttribute, value ); - break; + var scale = 1.0 / vec.lengthManhattan(); - case 4: - _gl.vertexAttrib4fv( programAttribute, value ); - break; + if ( scale !== Infinity ) { - default: - _gl.vertexAttrib1fv( programAttribute, value ); + vec.multiplyScalar( scale ); - } + } else { - } + vec.set( 1, 0, 0, 0 ); // do something reasonable } + skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w ); + } } - state.disableUnusedAttributes(); + }, - } + updateMatrixWorld: function( force ) { - // Sorting + Mesh.prototype.updateMatrixWorld.call( this, true ); - function absNumericalSort( a, b ) { + if ( this.bindMode === "attached" ) { - return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); + this.bindMatrixInverse.getInverse( this.matrixWorld ); - } + } else if ( this.bindMode === "detached" ) { - function painterSortStable( a, b ) { + this.bindMatrixInverse.getInverse( this.bindMatrix ); - if ( a.object.renderOrder !== b.object.renderOrder ) { + } else { - return a.object.renderOrder - b.object.renderOrder; + console.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode ); - } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { + } - return a.material.program.id - b.material.program.id; + }, - } else if ( a.material.id !== b.material.id ) { + clone: function() { - return a.material.id - b.material.id; + return new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this ); - } else if ( a.z !== b.z ) { + } - return a.z - b.z; + } ); - } else { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * linecap: "round", + * linejoin: "round" + * } + */ - return a.id - b.id; + function LineBasicMaterial( parameters ) { - } + Material.call( this ); - } + this.type = 'LineBasicMaterial'; - function reversePainterSortStable( a, b ) { + this.color = new Color( 0xffffff ); - if ( a.object.renderOrder !== b.object.renderOrder ) { + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; - return a.object.renderOrder - b.object.renderOrder; + this.lights = false; - } if ( a.z !== b.z ) { + this.setValues( parameters ); - return b.z - a.z; + } - } else { + LineBasicMaterial.prototype = Object.create( Material.prototype ); + LineBasicMaterial.prototype.constructor = LineBasicMaterial; - return a.id - b.id; + LineBasicMaterial.prototype.isLineBasicMaterial = true; - } + LineBasicMaterial.prototype.copy = function ( source ) { - } + Material.prototype.copy.call( this, source ); - // Rendering + this.color.copy( source.color ); - this.render = function ( scene, camera, renderTarget, forceClear ) { + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; - if ( camera !== undefined && camera.isCamera !== true ) { + return this; - console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); - return; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - // reset caching for this frame + function Line( geometry, material, mode ) { - _currentGeometryProgram = ''; - _currentMaterialId = - 1; - _currentCamera = null; + if ( mode === 1 ) { - // update scene graph + console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' ); + return new LineSegments( geometry, material ); - if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + } - // update camera matrices and frustum + Object3D.call( this ); - if ( camera.parent === null ) camera.updateMatrixWorld(); + this.type = 'Line'; - camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); - _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); - _frustum.setFromMatrix( _projScreenMatrix ); + } - lights.length = 0; + Line.prototype = Object.assign( Object.create( Object3D.prototype ), { - opaqueObjectsLastIndex = - 1; - transparentObjectsLastIndex = - 1; + constructor: Line, - sprites.length = 0; - lensFlares.length = 0; + isLine: true, - _localClippingEnabled = this.localClippingEnabled; - _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + raycast: ( function () { - projectObject( scene, camera ); + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - opaqueObjects.length = opaqueObjectsLastIndex + 1; - transparentObjects.length = transparentObjectsLastIndex + 1; + return function raycast( raycaster, intersects ) { - if ( _this.sortObjects === true ) { + var precision = raycaster.linePrecision; + var precisionSq = precision * precision; - opaqueObjects.sort( painterSortStable ); - transparentObjects.sort( reversePainterSortStable ); + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; - } + // Checking boundingSphere distance to ray - // + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - if ( _clippingEnabled ) _clipping.beginShadows(); + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - setupShadows( lights ); + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - shadowMap.render( scene, camera ); + // - setupLights( lights, camera ); + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - if ( _clippingEnabled ) _clipping.endShadows(); + var vStart = new Vector3(); + var vEnd = new Vector3(); + var interSegment = new Vector3(); + var interRay = new Vector3(); + var step = (this && this.isLineSegments) ? 2 : 1; - // + if ( (geometry && geometry.isBufferGeometry) ) { - _infoRender.calls = 0; - _infoRender.vertices = 0; - _infoRender.faces = 0; - _infoRender.points = 0; + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - if ( renderTarget === undefined ) { + if ( index !== null ) { - renderTarget = null; + var indices = index.array; - } + for ( var i = 0, l = indices.length - 1; i < l; i += step ) { - this.setRenderTarget( renderTarget ); + var a = indices[ i ]; + var b = indices[ i + 1 ]; - // + vStart.fromArray( positions, a * 3 ); + vEnd.fromArray( positions, b * 3 ); - var background = scene.background; + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - if ( background === null ) { + if ( distSq > precisionSq ) continue; - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - } else if ( background && background.isColor ) { + var distance = raycaster.ray.origin.distanceTo( interRay ); - glClearColor( background.r, background.g, background.b, 1 ); - forceClear = true; + if ( distance < raycaster.near || distance > raycaster.far ) continue; - } + intersects.push( { - if ( this.autoClear || forceClear ) { + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); + } ); - } + } - if ( background && background.isCubeTexture ) { + } else { - backgroundCamera2.projectionMatrix.copy( camera.projectionMatrix ); + for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { - backgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld ); - backgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld ); + vStart.fromArray( positions, 3 * i ); + vEnd.fromArray( positions, 3 * i + 3 ); - backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; - backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - objects.update( backgroundBoxMesh ); + if ( distSq > precisionSq ) continue; - _this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - } else if ( background && background.isTexture ) { + var distance = raycaster.ray.origin.distanceTo( interRay ); - backgroundPlaneMesh.material.map = background; + if ( distance < raycaster.near || distance > raycaster.far ) continue; - objects.update( backgroundPlaneMesh ); + intersects.push( { - _this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - } + } ); - // + } - if ( scene.overrideMaterial ) { + } - var overrideMaterial = scene.overrideMaterial; + } else if ( (geometry && geometry.isGeometry) ) { - renderObjects( opaqueObjects, scene, camera, overrideMaterial ); - renderObjects( transparentObjects, scene, camera, overrideMaterial ); + var vertices = geometry.vertices; + var nbVertices = vertices.length; - } else { + for ( var i = 0; i < nbVertices - 1; i += step ) { - // opaque pass (front-to-back order) + var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); - state.setBlending( NoBlending ); - renderObjects( opaqueObjects, scene, camera ); + if ( distSq > precisionSq ) continue; - // transparent pass (back-to-front order) + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - renderObjects( transparentObjects, scene, camera ); + var distance = raycaster.ray.origin.distanceTo( interRay ); - } + if ( distance < raycaster.near || distance > raycaster.far ) continue; - // custom render plugins (post pass) + intersects.push( { - spritePlugin.render( scene, camera ); - lensFlarePlugin.render( scene, camera, _currentViewport ); + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - // Generate mipmap if we're using any kind of mipmap filtering + } ); - if ( renderTarget ) { + } - textures.updateRenderTargetMipmap( renderTarget ); + } - } + }; - // Ensure depth buffer writing is enabled so it can be cleared on next render + }() ), - state.setDepthTest( true ); - state.setDepthWrite( true ); - state.setColorWrite( true ); + clone: function () { - // _gl.finish(); + return new this.constructor( this.geometry, this.material ).copy( this ); - }; + } - function pushRenderItem( object, geometry, material, z, group ) { + } ); - var array, index; + /** + * @author mrdoob / http://mrdoob.com/ + */ - // allocate the next position in the appropriate array + function LineSegments( geometry, material ) { - if ( material.transparent ) { + Line.call( this, geometry, material ); - array = transparentObjects; - index = ++ transparentObjectsLastIndex; + this.type = 'LineSegments'; - } else { + } - array = opaqueObjects; - index = ++ opaqueObjectsLastIndex; + LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { - } + constructor: LineSegments, - // recycle existing render item or grow the array + isLineSegments: true - var renderItem = array[ index ]; + } ); - if ( renderItem !== undefined ) { - - renderItem.id = object.id; - renderItem.object = object; - renderItem.geometry = geometry; - renderItem.material = material; - renderItem.z = _vector3.z; - renderItem.group = group; + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * size: , + * sizeAttenuation: + * } + */ - } else { + function PointsMaterial( parameters ) { - renderItem = { - id: object.id, - object: object, - geometry: geometry, - material: material, - z: _vector3.z, - group: group - }; + Material.call( this ); - // assert( index === array.length ); - array.push( renderItem ); + this.type = 'PointsMaterial'; - } + this.color = new Color( 0xffffff ); - } + this.map = null; - // TODO Duplicated code (Frustum) + this.size = 1; + this.sizeAttenuation = true; - function isObjectViewable( object ) { + this.lights = false; - var geometry = object.geometry; + this.setValues( parameters ); - if ( geometry.boundingSphere === null ) - geometry.computeBoundingSphere(); + } - _sphere.copy( geometry.boundingSphere ). - applyMatrix4( object.matrixWorld ); + PointsMaterial.prototype = Object.create( Material.prototype ); + PointsMaterial.prototype.constructor = PointsMaterial; - return isSphereViewable( _sphere ); + PointsMaterial.prototype.isPointsMaterial = true; - } + PointsMaterial.prototype.copy = function ( source ) { - function isSpriteViewable( sprite ) { + Material.prototype.copy.call( this, source ); - _sphere.center.set( 0, 0, 0 ); - _sphere.radius = 0.7071067811865476; - _sphere.applyMatrix4( sprite.matrixWorld ); + this.color.copy( source.color ); - return isSphereViewable( _sphere ); + this.map = source.map; - } + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; - function isSphereViewable( sphere ) { + return this; - if ( ! _frustum.intersectsSphere( sphere ) ) return false; + }; - var numPlanes = _clipping.numPlanes; + /** + * @author alteredq / http://alteredqualia.com/ + */ - if ( numPlanes === 0 ) return true; + function Points( geometry, material ) { - var planes = _this.clippingPlanes, + Object3D.call( this ); - center = sphere.center, - negRad = - sphere.radius, - i = 0; + this.type = 'Points'; - do { + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); - // out when deeper than radius in the negative halfspace - if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; + } - } while ( ++ i !== numPlanes ); + Points.prototype = Object.assign( Object.create( Object3D.prototype ), { - return true; + constructor: Points, - } + isPoints: true, - function projectObject( object, camera ) { + raycast: ( function () { - if ( object.visible === false ) return; + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + return function raycast( raycaster, intersects ) { - if ( visible ) { + var object = this; + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + var threshold = raycaster.params.Points.threshold; - if ( object.isLight ) { + // Checking boundingSphere distance to ray - lights.push( object ); + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - } else if ( object.isSprite ) { + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - sprites.push( object ); + // - } + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - } else if ( object.isLensFlare ) { + var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + var localThresholdSq = localThreshold * localThreshold; + var position = new Vector3(); - lensFlares.push( object ); + function testPoint( point, index ) { - } else if ( object.isImmediateRenderObject ) { + var rayPointDistanceSq = ray.distanceSqToPoint( point ); - if ( _this.sortObjects === true ) { + if ( rayPointDistanceSq < localThresholdSq ) { - _vector3.setFromMatrixPosition( object.matrixWorld ); - _vector3.applyProjection( _projScreenMatrix ); + var intersectPoint = ray.closestPointToPoint( point ); + intersectPoint.applyMatrix4( matrixWorld ); - } + var distance = raycaster.ray.origin.distanceTo( intersectPoint ); - pushRenderItem( object, null, object.material, _vector3.z, null ); + if ( distance < raycaster.near || distance > raycaster.far ) return; - } else if ( object.isMesh || object.isLine || object.isPoints ) { + intersects.push( { - if ( object.isSkinnedMesh ) { + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint.clone(), + index: index, + face: null, + object: object - object.skeleton.update(); + } ); } - if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { + } - var material = object.material; + if ( (geometry && geometry.isBufferGeometry) ) { - if ( material.visible === true ) { + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - if ( _this.sortObjects === true ) { + if ( index !== null ) { - _vector3.setFromMatrixPosition( object.matrixWorld ); - _vector3.applyProjection( _projScreenMatrix ); + var indices = index.array; - } + for ( var i = 0, il = indices.length; i < il; i ++ ) { - var geometry = objects.update( object ); + var a = indices[ i ]; - if ( material.isMultiMaterial ) { + position.fromArray( positions, a * 3 ); - var groups = geometry.groups; - var materials = material.materials; + testPoint( position, a ); - for ( var i = 0, l = groups.length; i < l; i ++ ) { + } - var group = groups[ i ]; - var groupMaterial = materials[ group.materialIndex ]; + } else { - if ( groupMaterial.visible === true ) { + for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { - pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); + position.fromArray( positions, i * 3 ); - } + testPoint( position, i ); - } + } - } else { + } - pushRenderItem( object, geometry, material, _vector3.z, null ); + } else { - } + var vertices = geometry.vertices; - } + for ( var i = 0, l = vertices.length; i < l; i ++ ) { + + testPoint( vertices[ i ], i ); } } - } - - var children = object.children; + }; - for ( var i = 0, l = children.length; i < l; i ++ ) { + }() ), - projectObject( children[ i ], camera ); + clone: function () { - } + return new this.constructor( this.geometry, this.material ).copy( this ); } - function renderObjects( renderList, scene, camera, overrideMaterial ) { + } ); - for ( var i = 0, l = renderList.length; i < l; i ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var renderItem = renderList[ i ]; + function Group() { - var object = renderItem.object; - var geometry = renderItem.geometry; - var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; - var group = renderItem.group; + Object3D.call( this ); - object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); - object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + this.type = 'Group'; - object.onBeforeRender( _this, scene, camera, geometry, material, group ); + } - if ( object.isImmediateRenderObject ) { + Group.prototype = Object.assign( Object.create( Object3D.prototype ), { - setMaterial( material ); + constructor: Group - var program = setProgram( camera, scene.fog, material, object ); + } ); - _currentGeometryProgram = ''; + /** + * @author mrdoob / http://mrdoob.com/ + */ - object.render( function ( object ) { + function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - _this.renderBufferImmediate( object, program, material ); + Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - } ); + this.generateMipmaps = false; - } else { + var scope = this; - _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); + function update() { - } + requestAnimationFrame( update ); - object.onAfterRender( _this, scene, camera, geometry, material, group ); + if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + scope.needsUpdate = true; } } - function initMaterial( material, fog, object ) { + update(); - var materialProperties = properties.get( material ); + } - var parameters = programCache.getParameters( - material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); + VideoTexture.prototype = Object.create( Texture.prototype ); + VideoTexture.prototype.constructor = VideoTexture; - var code = programCache.getProgramCode( material, parameters ); + /** + * @author alteredq / http://alteredqualia.com/ + */ - var program = materialProperties.program; - var programChange = true; + function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - if ( program === undefined ) { + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - // new material - material.addEventListener( 'dispose', onMaterialDispose ); + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; - } else if ( program.code !== code ) { + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) - // changed glsl or parameters - releaseMaterialProgramReference( material ); + this.flipY = false; - } else if ( parameters.shaderID !== undefined ) { + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files - // same glsl and uniform list - return; + this.generateMipmaps = false; - } else { + } - // only rebuild uniform list - programChange = false; + CompressedTexture.prototype = Object.create( Texture.prototype ); + CompressedTexture.prototype.constructor = CompressedTexture; - } + CompressedTexture.prototype.isCompressedTexture = true; - if ( programChange ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( parameters.shaderID ) { + function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - var shader = ShaderLib[ parameters.shaderID ]; + Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - materialProperties.__webglShader = { - name: material.type, - uniforms: UniformsUtils.clone( shader.uniforms ), - vertexShader: shader.vertexShader, - fragmentShader: shader.fragmentShader - }; + this.needsUpdate = true; - } else { + } - materialProperties.__webglShader = { - name: material.type, - uniforms: material.uniforms, - vertexShader: material.vertexShader, - fragmentShader: material.fragmentShader - }; + CanvasTexture.prototype = Object.create( Texture.prototype ); + CanvasTexture.prototype.constructor = CanvasTexture; - } + /** + * @author Matt DesLauriers / @mattdesl + * @author atix / arthursilber.de + */ - material.__webglShader = materialProperties.__webglShader; + function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { - program = programCache.acquireProgram( material, parameters, code ); + format = format !== undefined ? format : DepthFormat; - materialProperties.program = program; - material.program = program; + if ( format !== DepthFormat && format !== DepthStencilFormat ) { - } + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ) - var attributes = program.getAttributes(); + } - if ( material.morphTargets ) { + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - material.numSupportedMorphTargets = 0; + this.image = { width: width, height: height }; - for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { + this.type = type !== undefined ? type : UnsignedShortType; - if ( attributes[ 'morphTarget' + i ] >= 0 ) { + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - material.numSupportedMorphTargets ++; + this.flipY = false; + this.generateMipmaps = false; - } + } - } + DepthTexture.prototype = Object.create( Texture.prototype ); + DepthTexture.prototype.constructor = DepthTexture; + DepthTexture.prototype.isDepthTexture = true; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( material.morphNormals ) { + function WireframeGeometry( geometry ) { - material.numSupportedMorphNormals = 0; + BufferGeometry.call( this ); - for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { + var edge = [ 0, 0 ], hash = {}; - if ( attributes[ 'morphNormal' + i ] >= 0 ) { + function sortFunction( a, b ) { - material.numSupportedMorphNormals ++; + return a - b; - } + } - } + var keys = [ 'a', 'b', 'c' ]; - } + if ( (geometry && geometry.isGeometry) ) { - var uniforms = materialProperties.__webglShader.uniforms; + var vertices = geometry.vertices; + var faces = geometry.faces; + var numEdges = 0; - if ( ! material.isShaderMaterial && - ! material.isRawShaderMaterial || - material.clipping === true ) { + // allocate maximal size + var edges = new Uint32Array( 6 * faces.length ); - materialProperties.numClippingPlanes = _clipping.numPlanes; - materialProperties.numIntersection = _clipping.numIntersection; - uniforms.clippingPlanes = _clipping.uniform; + for ( var i = 0, l = faces.length; i < l; i ++ ) { - } + var face = faces[ i ]; - materialProperties.fog = fog; + for ( var j = 0; j < 3; j ++ ) { - // store the light setup it was created for + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); - materialProperties.lightsHash = _lights.hash; + var key = edge.toString(); - if ( material.lights ) { + if ( hash[ key ] === undefined ) { - // wire up the material to this renderer's lighting state + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; - uniforms.ambientLightColor.value = _lights.ambient; - uniforms.directionalLights.value = _lights.directional; - uniforms.spotLights.value = _lights.spot; - uniforms.pointLights.value = _lights.point; - uniforms.hemisphereLights.value = _lights.hemi; + } - uniforms.directionalShadowMap.value = _lights.directionalShadowMap; - uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; - uniforms.spotShadowMap.value = _lights.spotShadowMap; - uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; - uniforms.pointShadowMap.value = _lights.pointShadowMap; - uniforms.pointShadowMatrix.value = _lights.pointShadowMatrix; + } } - var progUniforms = materialProperties.program.getUniforms(), - uniformsList = - WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); + var coords = new Float32Array( numEdges * 2 * 3 ); - materialProperties.uniformsList = uniformsList; + for ( var i = 0, l = numEdges; i < l; i ++ ) { - } + for ( var j = 0; j < 2; j ++ ) { - function setMaterial( material ) { + var vertex = vertices[ edges [ 2 * i + j ] ]; - material.side === DoubleSide - ? state.disable( _gl.CULL_FACE ) - : state.enable( _gl.CULL_FACE ); + var index = 6 * i + 3 * j; + coords[ index + 0 ] = vertex.x; + coords[ index + 1 ] = vertex.y; + coords[ index + 2 ] = vertex.z; - state.setFlipSided( material.side === BackSide ); + } - material.transparent === true - ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) - : state.setBlending( NoBlending ); + } - state.setDepthFunc( material.depthFunc ); - state.setDepthTest( material.depthTest ); - state.setDepthWrite( material.depthWrite ); - state.setColorWrite( material.colorWrite ); - state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - } + } else if ( (geometry && geometry.isBufferGeometry) ) { - function setProgram( camera, fog, material, object ) { + if ( geometry.index !== null ) { - _usedTextureUnits = 0; + // Indexed BufferGeometry - var materialProperties = properties.get( material ); + var indices = geometry.index.array; + var vertices = geometry.attributes.position; + var groups = geometry.groups; + var numEdges = 0; - if ( _clippingEnabled ) { + if ( groups.length === 0 ) { - if ( _localClippingEnabled || camera !== _currentCamera ) { + geometry.addGroup( 0, indices.length ); - var useCache = - camera === _currentCamera && - material.id === _currentMaterialId; + } - // we might want to call this function with some ClippingGroup - // object instead of the material, once it becomes feasible - // (#8465, #8379) - _clipping.setState( - material.clippingPlanes, material.clipIntersection, material.clipShadows, - camera, materialProperties, useCache ); + // allocate maximal size + var edges = new Uint32Array( 2 * indices.length ); - } + for ( var o = 0, ol = groups.length; o < ol; ++ o ) { - } + var group = groups[ o ]; - if ( material.needsUpdate === false ) { + var start = group.start; + var count = group.count; - if ( materialProperties.program === undefined ) { + for ( var i = start, il = start + count; i < il; i += 3 ) { - material.needsUpdate = true; + for ( var j = 0; j < 3; j ++ ) { - } else if ( material.fog && materialProperties.fog !== fog ) { + edge[ 0 ] = indices[ i + j ]; + edge[ 1 ] = indices[ i + ( j + 1 ) % 3 ]; + edge.sort( sortFunction ); - material.needsUpdate = true; + var key = edge.toString(); - } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { + if ( hash[ key ] === undefined ) { - material.needsUpdate = true; + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; - } else if ( materialProperties.numClippingPlanes !== undefined && - ( materialProperties.numClippingPlanes !== _clipping.numPlanes || - materialProperties.numIntersection !== _clipping.numIntersection ) ) { + } - material.needsUpdate = true; + } + + } } - } + var coords = new Float32Array( numEdges * 2 * 3 ); - if ( material.needsUpdate ) { + for ( var i = 0, l = numEdges; i < l; i ++ ) { - initMaterial( material, fog, object ); - material.needsUpdate = false; + for ( var j = 0; j < 2; j ++ ) { - } + var index = 6 * i + 3 * j; + var index2 = edges[ 2 * i + j ]; - var refreshProgram = false; - var refreshMaterial = false; - var refreshLights = false; + coords[ index + 0 ] = vertices.getX( index2 ); + coords[ index + 1 ] = vertices.getY( index2 ); + coords[ index + 2 ] = vertices.getZ( index2 ); - var program = materialProperties.program, - p_uniforms = program.getUniforms(), - m_uniforms = materialProperties.__webglShader.uniforms; + } - if ( program.id !== _currentProgram ) { + } - _gl.useProgram( program.program ); - _currentProgram = program.id; + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - refreshProgram = true; - refreshMaterial = true; - refreshLights = true; + } else { - } + // non-indexed BufferGeometry - if ( material.id !== _currentMaterialId ) { + var vertices = geometry.attributes.position.array; + var numEdges = vertices.length / 3; + var numTris = numEdges / 3; - _currentMaterialId = material.id; + var coords = new Float32Array( numEdges * 2 * 3 ); - refreshMaterial = true; + for ( var i = 0, l = numTris; i < l; i ++ ) { - } + for ( var j = 0; j < 3; j ++ ) { - if ( refreshProgram || camera !== _currentCamera ) { + var index = 18 * i + 6 * j; - p_uniforms.set( _gl, camera, 'projectionMatrix' ); + var index1 = 9 * i + 3 * j; + coords[ index + 0 ] = vertices[ index1 ]; + coords[ index + 1 ] = vertices[ index1 + 1 ]; + coords[ index + 2 ] = vertices[ index1 + 2 ]; - if ( capabilities.logarithmicDepthBuffer ) { + var index2 = 9 * i + 3 * ( ( j + 1 ) % 3 ); + coords[ index + 3 ] = vertices[ index2 ]; + coords[ index + 4 ] = vertices[ index2 + 1 ]; + coords[ index + 5 ] = vertices[ index2 + 2 ]; - p_uniforms.setValue( _gl, 'logDepthBufFC', - 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + } } + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - if ( camera !== _currentCamera ) { + } - _currentCamera = camera; + } - // lighting uniforms depend on the camera so enforce an update - // now, in case this material supports lights - or later, when - // the next material that does gets activated: + } - refreshMaterial = true; // set to true on material change - refreshLights = true; // remains set until update done + WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); + WireframeGeometry.prototype.constructor = WireframeGeometry; - } + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + */ - // load material specific uniforms - // (shader material also gets them for the sake of genericity) + function ParametricBufferGeometry( func, slices, stacks ) { - if ( material.isShaderMaterial || - material.isMeshPhongMaterial || - material.isMeshStandardMaterial || - material.envMap ) { + BufferGeometry.call( this ); - var uCamPos = p_uniforms.map.cameraPosition; + this.type = 'ParametricBufferGeometry'; - if ( uCamPos !== undefined ) { + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; - uCamPos.setValue( _gl, - _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + // generate vertices and uvs - } + var vertices = []; + var uvs = []; - } + var i, j, p; + var u, v; - if ( material.isMeshPhongMaterial || - material.isMeshLambertMaterial || - material.isMeshBasicMaterial || - material.isMeshStandardMaterial || - material.isShaderMaterial || - material.skinning ) { + var sliceCount = slices + 1; - p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + for ( i = 0; i <= stacks; i ++ ) { - } + v = i / stacks; - p_uniforms.set( _gl, _this, 'toneMappingExposure' ); - p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); + for ( j = 0; j <= slices; j ++ ) { - } + u = j / slices; - // skinning uniforms must be set even if material didn't change - // auto-setting of texture unit for bone texture must go before other textures - // not sure why, but otherwise weird things happen + p = func( u, v ); + vertices.push( p.x, p.y, p.z ); - if ( material.skinning ) { + uvs.push( u, v ); - p_uniforms.setOptional( _gl, object, 'bindMatrix' ); - p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + } - var skeleton = object.skeleton; + } - if ( skeleton ) { + // generate indices - if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { + var indices = []; + var a, b, c, d; - p_uniforms.set( _gl, skeleton, 'boneTexture' ); - p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); - p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); + for ( i = 0; i < stacks; i ++ ) { - } else { + for ( j = 0; j < slices; j ++ ) { - p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + a = i * sliceCount + j; + b = i * sliceCount + j + 1; + c = ( i + 1 ) * sliceCount + j + 1; + d = ( i + 1 ) * sliceCount + j; - } + // faces one and two - } + indices.push( a, b, d ); + indices.push( b, c, d ); } - if ( refreshMaterial ) { - - if ( material.lights ) { - - // the current material requires lighting info + } - // note: all lighting uniforms are always set correctly - // they simply reference the renderer's state for their - // values - // - // use the current material's .needsUpdate flags to set - // the GL state when required + // build geometry - markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); - } + // generate normals - // refresh uniforms common to several materials + this.computeVertexNormals(); - if ( fog && material.fog ) { + } - refreshUniformsFog( m_uniforms, fog ); + ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; - } + /** + * @author zz85 / https://github.com/zz85 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + */ - if ( material.isMeshBasicMaterial || - material.isMeshLambertMaterial || - material.isMeshPhongMaterial || - material.isMeshStandardMaterial || - material.isMeshDepthMaterial ) { + function ParametricGeometry( func, slices, stacks ) { - refreshUniformsCommon( m_uniforms, material ); + Geometry.call( this ); - } + this.type = 'ParametricGeometry'; - // refresh single material specific uniforms + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; - if ( material.isLineBasicMaterial ) { + this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); + this.mergeVertices(); - refreshUniformsLine( m_uniforms, material ); + } - } else if ( material.isLineDashedMaterial ) { + ParametricGeometry.prototype = Object.create( Geometry.prototype ); + ParametricGeometry.prototype.constructor = ParametricGeometry; - refreshUniformsLine( m_uniforms, material ); - refreshUniformsDash( m_uniforms, material ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - } else if ( material.isPointsMaterial ) { + function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { - refreshUniformsPoints( m_uniforms, material ); + BufferGeometry.call( this ); - } else if ( material.isMeshLambertMaterial ) { + this.type = 'PolyhedronBufferGeometry'; - refreshUniformsLambert( m_uniforms, material ); + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; - } else if ( material.isMeshPhongMaterial ) { + radius = radius || 1; + detail = detail || 0; - refreshUniformsPhong( m_uniforms, material ); + // default buffer data - } else if ( material.isMeshPhysicalMaterial ) { + var vertexBuffer = []; + var uvBuffer = []; - refreshUniformsPhysical( m_uniforms, material ); + // the subdivision creates the vertex buffer data - } else if ( material.isMeshStandardMaterial ) { + subdivide( detail ); - refreshUniformsStandard( m_uniforms, material ); + // all vertices should lie on a conceptual sphere with a given radius - } else if ( material.isMeshDepthMaterial ) { + appplyRadius( radius ); - if ( material.displacementMap ) { + // finally, create the uv data - m_uniforms.displacementMap.value = material.displacementMap; - m_uniforms.displacementScale.value = material.displacementScale; - m_uniforms.displacementBias.value = material.displacementBias; + generateUVs(); - } + // build non-indexed geometry - } else if ( material.isMeshNormalMaterial ) { + this.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) ); + this.normalizeNormals(); - m_uniforms.opacity.value = material.opacity; + this.boundingSphere = new Sphere( new Vector3(), radius ); - } + // helper functions - WebGLUniforms.upload( - _gl, materialProperties.uniformsList, m_uniforms, _this ); + function subdivide( detail ) { - } + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); + // iterate over all faces and apply a subdivison with the given detail value - // common matrices + for ( var i = 0; i < indices.length; i += 3 ) { - p_uniforms.set( _gl, object, 'modelViewMatrix' ); - p_uniforms.set( _gl, object, 'normalMatrix' ); - p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + // get the vertices of the face - return program; + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); - } + // perform subdivision - // Uniforms (refresh uniforms objects) + subdivideFace( a, b, c, detail ); - function refreshUniformsCommon( uniforms, material ) { + } - uniforms.opacity.value = material.opacity; + } - uniforms.diffuse.value = material.color; + function subdivideFace( a, b, c, detail ) { - if ( material.emissive ) { + var cols = Math.pow( 2, detail ); - uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + // we use this multidimensional array as a data structure for creating the subdivision - } + var v = []; - uniforms.map.value = material.map; - uniforms.specularMap.value = material.specularMap; - uniforms.alphaMap.value = material.alphaMap; + var i, j; - if ( material.aoMap ) { + // construct all of the vertices for this subdivision - uniforms.aoMap.value = material.aoMap; - uniforms.aoMapIntensity.value = material.aoMapIntensity; + for ( i = 0 ; i <= cols; i ++ ) { - } + v[ i ] = []; - // uv repeat and offset setting priorities - // 1. color map - // 2. specular map - // 3. normal map - // 4. bump map - // 5. alpha map - // 6. emissive map + var aj = a.clone().lerp( c, i / cols ); + var bj = b.clone().lerp( c, i / cols ); - var uvScaleMap; + var rows = cols - i; - if ( material.map ) { + for ( j = 0; j <= rows; j ++ ) { - uvScaleMap = material.map; + if ( j === 0 && i === cols ) { - } else if ( material.specularMap ) { + v[ i ][ j ] = aj; - uvScaleMap = material.specularMap; + } else { - } else if ( material.displacementMap ) { + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); - uvScaleMap = material.displacementMap; + } - } else if ( material.normalMap ) { + } - uvScaleMap = material.normalMap; + } - } else if ( material.bumpMap ) { + // construct all of the faces - uvScaleMap = material.bumpMap; + for ( i = 0; i < cols ; i ++ ) { - } else if ( material.roughnessMap ) { + for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { - uvScaleMap = material.roughnessMap; + var k = Math.floor( j / 2 ); - } else if ( material.metalnessMap ) { + if ( j % 2 === 0 ) { - uvScaleMap = material.metalnessMap; + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); - } else if ( material.alphaMap ) { + } else { - uvScaleMap = material.alphaMap; + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); - } else if ( material.emissiveMap ) { + } - uvScaleMap = material.emissiveMap; + } } - if ( uvScaleMap !== undefined ) { - - // backwards compatibility - if ( uvScaleMap.isWebGLRenderTarget ) { + } - uvScaleMap = uvScaleMap.texture; + function appplyRadius( radius ) { - } + var vertex = new Vector3(); - var offset = uvScaleMap.offset; - var repeat = uvScaleMap.repeat; + // iterate over the entire buffer and apply the radius to each vertex - uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - } + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; - uniforms.envMap.value = material.envMap; + vertex.normalize().multiplyScalar( radius ); - // don't flip CubeTexture envMaps, flip everything else: - // WebGLRenderTargetCube will be flipped for backwards compatibility - // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture - // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future - uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; - uniforms.reflectivity.value = material.reflectivity; - uniforms.refractionRatio.value = material.refractionRatio; + } } - function refreshUniformsLine( uniforms, material ) { - - uniforms.diffuse.value = material.color; - uniforms.opacity.value = material.opacity; + function generateUVs() { - } + var vertex = new Vector3(); - function refreshUniformsDash( uniforms, material ) { + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - uniforms.dashSize.value = material.dashSize; - uniforms.totalSize.value = material.dashSize + material.gapSize; - uniforms.scale.value = material.scale; + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; - } + var u = azimuth( vertex ) / 2 / Math.PI + 0.5; + var v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); - function refreshUniformsPoints( uniforms, material ) { + } - uniforms.diffuse.value = material.color; - uniforms.opacity.value = material.opacity; - uniforms.size.value = material.size * _pixelRatio; - uniforms.scale.value = _height * 0.5; + correctUVs(); - uniforms.map.value = material.map; + correctSeam(); - if ( material.map !== null ) { + } - var offset = material.map.offset; - var repeat = material.map.repeat; + function correctSeam() { - uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + // handle case when face straddles the seam, see #3269 - } + for ( var i = 0; i < uvBuffer.length; i += 6 ) { - } + // uv data of a single face - function refreshUniformsFog( uniforms, fog ) { + var x0 = uvBuffer[ i + 0 ]; + var x1 = uvBuffer[ i + 2 ]; + var x2 = uvBuffer[ i + 4 ]; - uniforms.fogColor.value = fog.color; + var max = Math.max( x0, x1, x2 ); + var min = Math.min( x0, x1, x2 ); - if ( fog.isFog ) { + // 0.9 is somewhat arbitrary - uniforms.fogNear.value = fog.near; - uniforms.fogFar.value = fog.far; + if ( max > 0.9 && min < 0.1 ) { - } else if ( fog.isFogExp2 ) { + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; - uniforms.fogDensity.value = fog.density; + } } } - function refreshUniformsLambert( uniforms, material ) { - - if ( material.lightMap ) { + function pushVertex( vertex ) { - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); - } + } - if ( material.emissiveMap ) { + function getVertexByIndex( index, vertex ) { - uniforms.emissiveMap.value = material.emissiveMap; + var stride = index * 3; - } + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; } - function refreshUniformsPhong( uniforms, material ) { + function correctUVs() { - uniforms.specular.value = material.specular; - uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); - if ( material.lightMap ) { + var centroid = new Vector3(); - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); - } + for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { - if ( material.emissiveMap ) { + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); - uniforms.emissiveMap.value = material.emissiveMap; + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); - } + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); - if ( material.bumpMap ) { + var azi = azimuth( centroid ); - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); } - if ( material.normalMap ) { + } - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); + function correctUV( uv, stride, vector, azimuth ) { + + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; } - if ( material.displacementMap ) { + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; } } - function refreshUniformsStandard( uniforms, material ) { + // Angle around the Y axis, counter-clockwise when looking from above. - uniforms.roughness.value = material.roughness; - uniforms.metalness.value = material.metalness; + function azimuth( vector ) { - if ( material.roughnessMap ) { + return Math.atan2( vector.z, - vector.x ); - uniforms.roughnessMap.value = material.roughnessMap; + } - } - if ( material.metalnessMap ) { + // Angle above the XZ plane. - uniforms.metalnessMap.value = material.metalnessMap; + function inclination( vector ) { - } + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); - if ( material.lightMap ) { + } - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + } - } + PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; - if ( material.emissiveMap ) { + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - uniforms.emissiveMap.value = material.emissiveMap; + function TetrahedronBufferGeometry( radius, detail ) { - } + var vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; - if ( material.bumpMap ) { + var indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - } + this.type = 'TetrahedronBufferGeometry'; - if ( material.normalMap ) { + this.parameters = { + radius: radius, + detail: detail + }; - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); + } - } + TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; - if ( material.displacementMap ) { + /** + * @author timothypratley / https://github.com/timothypratley + */ - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; + function TetrahedronGeometry( radius, detail ) { - } + Geometry.call( this ); - if ( material.envMap ) { + this.type = 'TetrahedronGeometry'; - //uniforms.envMap.value = material.envMap; // part of uniforms common - uniforms.envMapIntensity.value = material.envMapIntensity; + this.parameters = { + radius: radius, + detail: detail + }; - } + this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - } + } - function refreshUniformsPhysical( uniforms, material ) { + TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); + TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; - uniforms.clearCoat.value = material.clearCoat; - uniforms.clearCoatRoughness.value = material.clearCoatRoughness; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - refreshUniformsStandard( uniforms, material ); + function OctahedronBufferGeometry( radius,detail ) { - } + var vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; - // If uniforms are marked as clean, they don't need to be loaded to the GPU. + var indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2 + ]; - function markUniformsLightsNeedsUpdate( uniforms, value ) { + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - uniforms.ambientLightColor.needsUpdate = value; + this.type = 'OctahedronBufferGeometry'; - uniforms.directionalLights.needsUpdate = value; - uniforms.pointLights.needsUpdate = value; - uniforms.spotLights.needsUpdate = value; - uniforms.hemisphereLights.needsUpdate = value; + this.parameters = { + radius: radius, + detail: detail + }; - } + } - // Lighting + OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; - function setupShadows( lights ) { + /** + * @author timothypratley / https://github.com/timothypratley + */ - var lightShadowsLength = 0; + function OctahedronGeometry( radius, detail ) { - for ( var i = 0, l = lights.length; i < l; i ++ ) { + Geometry.call( this ); - var light = lights[ i ]; + this.type = 'OctahedronGeometry'; - if ( light.castShadow ) { + this.parameters = { + radius: radius, + detail: detail + }; - _lights.shadows[ lightShadowsLength ++ ] = light; + this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - } + } - } + OctahedronGeometry.prototype = Object.create( Geometry.prototype ); + OctahedronGeometry.prototype.constructor = OctahedronGeometry; - _lights.shadows.length = lightShadowsLength; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - } + function IcosahedronBufferGeometry( radius, detail ) { - function setupLights( lights, camera ) { + var t = ( 1 + Math.sqrt( 5 ) ) / 2; - var l, ll, light, - r = 0, g = 0, b = 0, - color, - intensity, - distance, - shadowMap, + var vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; - viewMatrix = camera.matrixWorldInverse, + var indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; - directionalLength = 0, - pointLength = 0, - spotLength = 0, - hemiLength = 0; + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - for ( l = 0, ll = lights.length; l < ll; l ++ ) { + this.type = 'IcosahedronBufferGeometry'; - light = lights[ l ]; + this.parameters = { + radius: radius, + detail: detail + }; - color = light.color; - intensity = light.intensity; - distance = light.distance; + } - shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; - if ( light.isAmbientLight ) { + /** + * @author timothypratley / https://github.com/timothypratley + */ - r += color.r * intensity; - g += color.g * intensity; - b += color.b * intensity; + function IcosahedronGeometry( radius, detail ) { - } else if ( light.isDirectionalLight ) { + Geometry.call( this ); - var uniforms = lightCache.get( light ); + this.type = 'IcosahedronGeometry'; - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - _vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( _vector3 ); - uniforms.direction.transformDirection( viewMatrix ); + this.parameters = { + radius: radius, + detail: detail + }; - uniforms.shadow = light.castShadow; + this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - if ( light.castShadow ) { + } - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); + IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; - } + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - _lights.directionalShadowMap[ directionalLength ] = shadowMap; - _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; - _lights.directional[ directionalLength ++ ] = uniforms; + function DodecahedronBufferGeometry( radius, detail ) { - } else if ( light.isSpotLight ) { + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + var r = 1 / t; - var uniforms = lightCache.get( light ); + var vertices = [ - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, - uniforms.color.copy( color ).multiplyScalar( intensity ); - uniforms.distance = distance; + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - _vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( _vector3 ); - uniforms.direction.transformDirection( viewMatrix ); + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, - uniforms.coneCos = Math.cos( light.angle ); - uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); - uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; - uniforms.shadow = light.castShadow; + var indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; - if ( light.castShadow ) { + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + this.type = 'DodecahedronBufferGeometry'; - } + this.parameters = { + radius: radius, + detail: detail + }; - _lights.spotShadowMap[ spotLength ] = shadowMap; - _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; - _lights.spot[ spotLength ++ ] = uniforms; + } - } else if ( light.isPointLight ) { + DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; - var uniforms = lightCache.get( light ); + /** + * @author Abe Pazos / https://hamoid.com + */ - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); + function DodecahedronGeometry( radius, detail ) { - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.distance = light.distance; - uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + Geometry.call( this ); - uniforms.shadow = light.castShadow; + this.type = 'DodecahedronGeometry'; - if ( light.castShadow ) { + this.parameters = { + radius: radius, + detail: detail + }; - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - } + } - _lights.pointShadowMap[ pointLength ] = shadowMap; + DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); + DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; - if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { + /** + * @author clockworkgeek / https://github.com/clockworkgeek + * @author timothypratley / https://github.com/timothypratley + * @author WestLangley / http://github.com/WestLangley + */ - _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); + function PolyhedronGeometry( vertices, indices, radius, detail ) { - } + Geometry.call( this ); - // for point lights we set the shadow matrix to be a translation-only matrix - // equal to inverse of the light's position - _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); - _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); + this.type = 'PolyhedronGeometry'; - _lights.point[ pointLength ++ ] = uniforms; + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; - } else if ( light.isHemisphereLight ) { + this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); + this.mergeVertices(); - var uniforms = lightCache.get( light ); + } - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - uniforms.direction.transformDirection( viewMatrix ); - uniforms.direction.normalize(); + PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); + PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; - uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); - uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * Creates a tube which extrudes along a 3d spline. + * + */ - _lights.hemi[ hemiLength ++ ] = uniforms; + function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { - } + BufferGeometry.call( this ); - } + this.type = 'TubeBufferGeometry'; - _lights.ambient[ 0 ] = r; - _lights.ambient[ 1 ] = g; - _lights.ambient[ 2 ] = b; + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; - _lights.directional.length = directionalLength; - _lights.spot.length = spotLength; - _lights.point.length = pointLength; - _lights.hemi.length = hemiLength; + tubularSegments = tubularSegments || 64; + radius = radius || 1; + radialSegments = radialSegments || 8; + closed = closed || false; - _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length; + var frames = path.computeFrenetFrames( tubularSegments, closed ); - } + // expose internals - // GL state setting + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; - this.setFaceCulling = function ( cullFace, frontFaceDirection ) { + // helper variables - state.setCullFace( cullFace ); - state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); - }; + var i, j; - // Textures + // buffer - function allocTextureUnit() { + var vertices = []; + var normals = []; + var uvs = []; + var indices = []; - var textureUnit = _usedTextureUnits; + // create buffer data - if ( textureUnit >= capabilities.maxTextures ) { + generateBufferData(); - console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); + // build geometry - } + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( normals, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); - _usedTextureUnits += 1; + // functions - return textureUnit; + function generateBufferData() { - } + for ( i = 0; i < tubularSegments; i ++ ) { - this.allocTextureUnit = allocTextureUnit; + generateSegment( i ); - // this.setTexture2D = setTexture2D; - this.setTexture2D = ( function() { + } - var warned = false; + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) - // backwards compatibility: peel texture.texture - return function setTexture2D( texture, slot ) { + generateSegment( ( closed === false ) ? tubularSegments : 0 ); - if ( texture && texture.isWebGLRenderTarget ) { + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries - if ( ! warned ) { + generateUVs(); - console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); - warned = true; + // finally create faces - } + generateIndices(); - texture = texture.texture; + } - } + function generateSegment( i ) { - textures.setTexture2D( texture, slot ); + // we use getPointAt to sample evenly distributed points from the given path - }; + var P = path.getPointAt( i / tubularSegments ); - }() ); + // retrieve corresponding normal and binormal - this.setTexture = ( function() { + var N = frames.normals[ i ]; + var B = frames.binormals[ i ]; - var warned = false; + // generate normals and vertices for the current segment - return function setTexture( texture, slot ) { + for ( j = 0; j <= radialSegments; j ++ ) { - if ( ! warned ) { + var v = j / radialSegments * Math.PI * 2; - console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); - warned = true; + var sin = Math.sin( v ); + var cos = - Math.cos( v ); - } + // normal - textures.setTexture2D( texture, slot ); + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); - }; + normals.push( normal.x, normal.y, normal.z ); - }() ); + // vertex - this.setTextureCube = ( function() { + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; - var warned = false; + vertices.push( vertex.x, vertex.y, vertex.z ); - return function setTextureCube( texture, slot ) { + } - // backwards compatibility: peel texture.texture - if ( texture && texture.isWebGLRenderTargetCube ) { + } - if ( ! warned ) { + function generateIndices() { - console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); - warned = true; + for ( j = 1; j <= tubularSegments; j ++ ) { - } + for ( i = 1; i <= radialSegments; i ++ ) { - texture = texture.texture; + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); } - // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture - // TODO: unify these code paths - if ( ( texture && texture.isCubeTexture ) || - ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { + } - // CompressedTexture can have Array in image :/ + } - // this function alone should take care of cube textures - textures.setTextureCube( texture, slot ); + function generateUVs() { - } else { + for ( i = 0; i <= tubularSegments; i ++ ) { - // assumed: texture property of THREE.WebGLRenderTargetCube + for ( j = 0; j <= radialSegments; j ++ ) { - textures.setTextureCubeDynamic( texture, slot ); + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + + uvs.push( uv.x, uv.y ); } - }; + } - }() ); + } - this.getCurrentRenderTarget = function() { + } - return _currentRenderTarget; + TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; - }; - - this.setRenderTarget = function ( renderTarget ) { - - _currentRenderTarget = renderTarget; + /** + * @author oosmoxiecode / https://github.com/oosmoxiecode + * @author WestLangley / https://github.com/WestLangley + * @author zz85 / https://github.com/zz85 + * @author miningold / https://github.com/miningold + * @author jonobr1 / https://github.com/jonobr1 + * + * Creates a tube which extrudes along a 3d spline. + */ - if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { + function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { - textures.setupRenderTarget( renderTarget ); + Geometry.call( this ); - } + this.type = 'TubeGeometry'; - var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); - var framebuffer; + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; - if ( renderTarget ) { + if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); - var renderTargetProperties = properties.get( renderTarget ); + var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); - if ( isCube ) { + // expose internals - framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; + this.tangents = bufferGeometry.tangents; + this.normals = bufferGeometry.normals; + this.binormals = bufferGeometry.binormals; - } else { + // create geometry - framebuffer = renderTargetProperties.__webglFramebuffer; + this.fromBufferGeometry( bufferGeometry ); + this.mergeVertices(); - } + } - _currentScissor.copy( renderTarget.scissor ); - _currentScissorTest = renderTarget.scissorTest; + TubeGeometry.prototype = Object.create( Geometry.prototype ); + TubeGeometry.prototype.constructor = TubeGeometry; - _currentViewport.copy( renderTarget.viewport ); + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * see: http://www.blackpawn.com/texts/pqtorus/ + */ + function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { - } else { + BufferGeometry.call( this ); - framebuffer = null; + this.type = 'TorusKnotBufferGeometry'; - _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); - _currentScissorTest = _scissorTest; + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; - _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); + radius = radius || 100; + tube = tube || 40; + tubularSegments = Math.floor( tubularSegments ) || 64; + radialSegments = Math.floor( radialSegments ) || 8; + p = p || 2; + q = q || 3; - } + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; - if ( _currentFramebuffer !== framebuffer ) { + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - _currentFramebuffer = framebuffer; + // helper variables + var i, j, index = 0, indexOffset = 0; - } + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); - state.scissor( _currentScissor ); - state.setScissorTest( _currentScissorTest ); + var P1 = new Vector3(); + var P2 = new Vector3(); - state.viewport( _currentViewport ); + var B = new Vector3(); + var T = new Vector3(); + var N = new Vector3(); - if ( isCube ) { + // generate vertices, normals and uvs - var textureProperties = properties.get( renderTarget.texture ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); + for ( i = 0; i <= tubularSegments; ++ i ) { - } + // the radian "u" is used to calculate the position on the torus curve of the current tubular segement - }; + var u = i / tubularSegments * p * Math.PI * 2; - this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions - if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); - return; + // calculate orthonormal basis - } + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); - var framebuffer = properties.get( renderTarget ).__webglFramebuffer; + // normalize B, N. T can be ignored, we don't use it - if ( framebuffer ) { + B.normalize(); + N.normalize(); - var restore = false; + for ( j = 0; j <= radialSegments; ++ j ) { - if ( framebuffer !== _currentFramebuffer ) { + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + var v = j / radialSegments * Math.PI * 2; + var cx = - tube * Math.cos( v ); + var cy = tube * Math.sin( v ); - restore = true; + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve - } + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); - try { + // vertex + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - var texture = renderTarget.texture; - var textureFormat = texture.format; - var textureType = texture.type; + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + normal.subVectors( vertex, P1 ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); - if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { + // uv + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.setXY( index, uv.x, uv.y ); - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); - return; + // increase index + index ++; - } + } - if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) - ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox - ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) { + } - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); - return; + // generate indices - } + for ( j = 1; j <= tubularSegments; j ++ ) { - if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { + for ( i = 1; i <= radialSegments; i ++ ) { - // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + // indices + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; - if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - _gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - } + } - } else { + } - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); + // build geometry - } + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - } finally { + // this function calculates the current position on the torus curve - if ( restore ) { + function calculatePositionOnCurve( u, p, q, radius, position ) { - _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); + var cu = Math.cos( u ); + var su = Math.sin( u ); + var quOverP = q / p * u; + var cs = Math.cos( quOverP ); - } + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; - } + } - } + } - }; + TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; - // Map three.js constants to WebGL constants + /** + * @author oosmoxiecode + */ - function paramThreeToGL( p ) { + function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { - var extension; + Geometry.call( this ); - if ( p === RepeatWrapping ) return _gl.REPEAT; - if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; - if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; + this.type = 'TorusKnotGeometry'; - if ( p === NearestFilter ) return _gl.NEAREST; - if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; - if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; - if ( p === LinearFilter ) return _gl.LINEAR; - if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; - if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; + if( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); - if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; - if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; - if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; - if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; + this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); + this.mergeVertices(); - if ( p === ByteType ) return _gl.BYTE; - if ( p === ShortType ) return _gl.SHORT; - if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; - if ( p === IntType ) return _gl.INT; - if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; - if ( p === FloatType ) return _gl.FLOAT; + } - if ( p === HalfFloatType ) { + TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); + TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; - extension = extensions.get( 'OES_texture_half_float' ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - if ( extension !== null ) return extension.HALF_FLOAT_OES; + function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - } + BufferGeometry.call( this ); - if ( p === AlphaFormat ) return _gl.ALPHA; - if ( p === RGBFormat ) return _gl.RGB; - if ( p === RGBAFormat ) return _gl.RGBA; - if ( p === LuminanceFormat ) return _gl.LUMINANCE; - if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; - if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; - if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; + this.type = 'TorusBufferGeometry'; - if ( p === AddEquation ) return _gl.FUNC_ADD; - if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; - if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; - if ( p === ZeroFactor ) return _gl.ZERO; - if ( p === OneFactor ) return _gl.ONE; - if ( p === SrcColorFactor ) return _gl.SRC_COLOR; - if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; - if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; - if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; - if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; - if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; + radius = radius || 100; + tube = tube || 40; + radialSegments = Math.floor( radialSegments ) || 8; + tubularSegments = Math.floor( tubularSegments ) || 6; + arc = arc || Math.PI * 2; - if ( p === DstColorFactor ) return _gl.DST_COLOR; - if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; - if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; - if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || - p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); - extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; - if ( extension !== null ) { + // helper variables + var center = new Vector3(); + var vertex = new Vector3(); + var normal = new Vector3(); - if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; - if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + var j, i; - } + // generate vertices, normals and uvs - } + for ( j = 0; j <= radialSegments; j ++ ) { - if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || - p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + for ( i = 0; i <= tubularSegments; i ++ ) { - extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + var u = i / tubularSegments * arc; + var v = j / radialSegments * Math.PI * 2; - if ( extension !== null ) { + // vertex + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); - if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; - if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; - if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; - if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + vertices[ vertexBufferOffset ] = vertex.x; + vertices[ vertexBufferOffset + 1 ] = vertex.y; + vertices[ vertexBufferOffset + 2 ] = vertex.z; - } + // this vector is used to calculate the normal + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); - } + // normal + normal.subVectors( vertex, center ).normalize(); - if ( p === RGB_ETC1_Format ) { + normals[ vertexBufferOffset ] = normal.x; + normals[ vertexBufferOffset + 1 ] = normal.y; + normals[ vertexBufferOffset + 2 ] = normal.z; - extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + // uv + uvs[ uvBufferOffset ] = i / tubularSegments; + uvs[ uvBufferOffset + 1 ] = j / radialSegments; - if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; + // update offsets + vertexBufferOffset += 3; + uvBufferOffset += 2; } - if ( p === MinEquation || p === MaxEquation ) { - - extension = extensions.get( 'EXT_blend_minmax' ); + } - if ( extension !== null ) { + // generate indices - if ( p === MinEquation ) return extension.MIN_EXT; - if ( p === MaxEquation ) return extension.MAX_EXT; + for ( j = 1; j <= radialSegments; j ++ ) { - } + for ( i = 1; i <= tubularSegments; i ++ ) { - } + // indices + var a = ( tubularSegments + 1 ) * j + i - 1; + var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + var d = ( tubularSegments + 1 ) * j + i; - if ( p === UnsignedInt248Type ) { + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; - extension = extensions.get( 'WEBGL_depth_texture' ); + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; - if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; + // update offset + indexBufferOffset += 6; } - return 0; - } + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + } + TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + /** + * @author oosmoxiecode * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ + * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 */ - function FogExp2 ( color, density ) { - - this.name = ''; - - this.color = new Color( color ); - this.density = ( density !== undefined ) ? density : 0.00025; - - } - - FogExp2.prototype.isFogExp2 = true; + function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - FogExp2.prototype.clone = function () { + Geometry.call( this ); - return new FogExp2( this.color.getHex(), this.density ); + this.type = 'TorusGeometry'; - }; + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; - FogExp2.prototype.toJSON = function ( meta ) { + this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); - return { - type: 'FogExp2', - color: this.color.getHex(), - density: this.density - }; + } - }; + TorusGeometry.prototype = Object.create( Geometry.prototype ); + TorusGeometry.prototype.constructor = TorusGeometry; /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog */ - function Fog ( color, near, far ) { - - this.name = ''; + var ShapeUtils = { - this.color = new Color( color ); + // calculate area of the contour polygon - this.near = ( near !== undefined ) ? near : 1; - this.far = ( far !== undefined ) ? far : 1000; + area: function ( contour ) { - } + var n = contour.length; + var a = 0.0; - Fog.prototype.isFog = true; + for ( var p = n - 1, q = 0; q < n; p = q ++ ) { - Fog.prototype.clone = function () { + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; - return new Fog( this.color.getHex(), this.near, this.far ); + } - }; + return a * 0.5; - Fog.prototype.toJSON = function ( meta ) { + }, - return { - type: 'Fog', - color: this.color.getHex(), - near: this.near, - far: this.far - }; + triangulate: ( function () { - }; + /** + * This code is a quick port of code written in C++ which was submitted to + * flipcode.com by John W. Ratcliff // July 22, 2000 + * See original code and more information here: + * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml + * + * ported to actionscript by Zevan Rosser + * www.actionsnippet.com + * + * ported to javascript by Joshua Koo + * http://www.lab4games.net/zz85/blog + * + */ - /** - * @author mrdoob / http://mrdoob.com/ - */ + function snip( contour, u, v, w, n, verts ) { - function Scene () { + var p; + var ax, ay, bx, by; + var cx, cy, px, py; - Object3D.call( this ); + ax = contour[ verts[ u ] ].x; + ay = contour[ verts[ u ] ].y; - this.type = 'Scene'; - - this.background = null; - this.fog = null; - this.overrideMaterial = null; - - this.autoUpdate = true; // checked by the renderer - - } - - Scene.prototype = Object.create( Object3D.prototype ); + bx = contour[ verts[ v ] ].x; + by = contour[ verts[ v ] ].y; - Scene.prototype.constructor = Scene; + cx = contour[ verts[ w ] ].x; + cy = contour[ verts[ w ] ].y; - Scene.prototype.copy = function ( source, recursive ) { + if ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false; - Object3D.prototype.copy.call( this, source, recursive ); + var aX, aY, bX, bY, cX, cY; + var apx, apy, bpx, bpy, cpx, cpy; + var cCROSSap, bCROSScp, aCROSSbp; - if ( source.background !== null ) this.background = source.background.clone(); - if ( source.fog !== null ) this.fog = source.fog.clone(); - if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + aX = cx - bx; aY = cy - by; + bX = ax - cx; bY = ay - cy; + cX = bx - ax; cY = by - ay; - this.autoUpdate = source.autoUpdate; - this.matrixAutoUpdate = source.matrixAutoUpdate; + for ( p = 0; p < n; p ++ ) { - return this; + px = contour[ verts[ p ] ].x; + py = contour[ verts[ p ] ].y; - }; + if ( ( ( px === ax ) && ( py === ay ) ) || + ( ( px === bx ) && ( py === by ) ) || + ( ( px === cx ) && ( py === cy ) ) ) continue; - Scene.prototype.toJSON = function ( meta ) { + apx = px - ax; apy = py - ay; + bpx = px - bx; bpy = py - by; + cpx = px - cx; cpy = py - cy; - var data = Object3D.prototype.toJSON.call( this, meta ); + // see if p is inside triangle abc - if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); - if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + aCROSSbp = aX * bpy - aY * bpx; + cCROSSap = cX * apy - cY * apx; + bCROSScp = bX * cpy - bY * cpx; - return data; + if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false; - }; + } - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + return true; - function LensFlare( texture, size, distance, blending, color ) { + } - Object3D.call( this ); + // takes in an contour array and returns - this.lensFlares = []; + return function triangulate( contour, indices ) { - this.positionScreen = new Vector3(); - this.customUpdateCallback = undefined; + var n = contour.length; - if ( texture !== undefined ) { + if ( n < 3 ) return null; - this.add( texture, size, distance, blending, color ); + var result = [], + verts = [], + vertIndices = []; - } + /* we want a counter-clockwise polygon in verts */ - } + var u, v, w; - LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), { + if ( ShapeUtils.area( contour ) > 0.0 ) { - constructor: LensFlare, + for ( v = 0; v < n; v ++ ) verts[ v ] = v; - isLensFlare: true, + } else { - copy: function ( source ) { + for ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v; - Object3D.prototype.copy.call( this, source ); + } - this.positionScreen.copy( source.positionScreen ); - this.customUpdateCallback = source.customUpdateCallback; + var nv = n; - for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) { + /* remove nv - 2 vertices, creating 1 triangle every time */ - this.lensFlares.push( source.lensFlares[ i ] ); + var count = 2 * nv; /* error detection */ - } + for ( v = nv - 1; nv > 2; ) { - return this; + /* if we loop, it is probably a non-simple polygon */ - }, + if ( ( count -- ) <= 0 ) { - add: function ( texture, size, distance, blending, color, opacity ) { + //** Triangulate: ERROR - probable bad polygon! - if ( size === undefined ) size = - 1; - if ( distance === undefined ) distance = 0; - if ( opacity === undefined ) opacity = 1; - if ( color === undefined ) color = new Color( 0xffffff ); - if ( blending === undefined ) blending = NormalBlending; + //throw ( "Warning, unable to triangulate polygon!" ); + //return null; + // Sometimes warning is fine, especially polygons are triangulated in reverse. + console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' ); - distance = Math.min( distance, Math.max( 0, distance ) ); + if ( indices ) return vertIndices; + return result; - this.lensFlares.push( { - texture: texture, // THREE.Texture - size: size, // size in pixels (-1 = use texture.width) - distance: distance, // distance (0-1) from light source (0=at light source) - x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back - scale: 1, // scale - rotation: 0, // rotation - opacity: opacity, // opacity - color: color, // color - blending: blending // blending - } ); + } - }, + /* three consecutive vertices in current polygon, */ - /* - * Update lens flares update positions on all flares based on the screen position - * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way. - */ + u = v; if ( nv <= u ) u = 0; /* previous */ + v = u + 1; if ( nv <= v ) v = 0; /* new v */ + w = v + 1; if ( nv <= w ) w = 0; /* next */ - updateLensFlares: function () { + if ( snip( contour, u, v, w, nv, verts ) ) { - var f, fl = this.lensFlares.length; - var flare; - var vecX = - this.positionScreen.x * 2; - var vecY = - this.positionScreen.y * 2; + var a, b, c, s, t; - for ( f = 0; f < fl; f ++ ) { + /* true names of the vertices */ - flare = this.lensFlares[ f ]; + a = verts[ u ]; + b = verts[ v ]; + c = verts[ w ]; - flare.x = this.positionScreen.x + vecX * flare.distance; - flare.y = this.positionScreen.y + vecY * flare.distance; + /* output Triangle */ - flare.wantedRotation = flare.x * Math.PI * 0.25; - flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25; + result.push( [ contour[ a ], + contour[ b ], + contour[ c ] ] ); - } - } + vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] ); - } ); + /* remove v from the remaining polygon */ - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * uvOffset: new THREE.Vector2(), - * uvScale: new THREE.Vector2() - * } - */ + for ( s = v, t = v + 1; t < nv; s ++, t ++ ) { - function SpriteMaterial( parameters ) { + verts[ s ] = verts[ t ]; - Material.call( this ); + } - this.type = 'SpriteMaterial'; + nv --; - this.color = new Color( 0xffffff ); - this.map = null; + /* reset error detection counter */ - this.rotation = 0; + count = 2 * nv; - this.fog = false; - this.lights = false; + } - this.setValues( parameters ); + } - } + if ( indices ) return vertIndices; + return result; - SpriteMaterial.prototype = Object.create( Material.prototype ); - SpriteMaterial.prototype.constructor = SpriteMaterial; + } - SpriteMaterial.prototype.copy = function ( source ) { + } )(), - Material.prototype.copy.call( this, source ); + triangulateShape: function ( contour, holes ) { - this.color.copy( source.color ); - this.map = source.map; + function removeDupEndPts(points) { - this.rotation = source.rotation; + var l = points.length; - return this; + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { - }; + points.pop(); - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + } - function Sprite( material ) { + } - Object3D.call( this ); + removeDupEndPts( contour ); + holes.forEach( removeDupEndPts ); - this.type = 'Sprite'; + function point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) { - this.material = ( material !== undefined ) ? material : new SpriteMaterial(); + // inOtherPt needs to be collinear to the inSegment + if ( inSegPt1.x !== inSegPt2.x ) { - } + if ( inSegPt1.x < inSegPt2.x ) { - Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { + return ( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) ); - constructor: Sprite, + } else { - isSprite: true, + return ( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) ); - raycast: ( function () { + } - var matrixPosition = new Vector3(); + } else { - return function raycast( raycaster, intersects ) { + if ( inSegPt1.y < inSegPt2.y ) { - matrixPosition.setFromMatrixPosition( this.matrixWorld ); + return ( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) ); - var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition ); - var guessSizeSq = this.scale.x * this.scale.y / 4; + } else { - if ( distanceSq > guessSizeSq ) { + return ( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) ); - return; + } } - intersects.push( { - - distance: Math.sqrt( distanceSq ), - point: this.position, - face: null, - object: this + } - } ); + function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) { - }; + var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y; + var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y; - }() ), + var seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x; + var seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y; - clone: function () { + var limit = seg1dy * seg2dx - seg1dx * seg2dy; + var perpSeg1 = seg1dy * seg1seg2dx - seg1dx * seg1seg2dy; - return new this.constructor( this.material ).copy( this ); + if ( Math.abs( limit ) > Number.EPSILON ) { - } + // not parallel - } ); + var perpSeg2; + if ( limit > 0 ) { - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + if ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) return []; - function LOD() { + } else { - Object3D.call( this ); + if ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) return []; - this.type = 'LOD'; + } - Object.defineProperties( this, { - levels: { - enumerable: true, - value: [] - } - } ); + // i.e. to reduce rounding errors + // intersection at endpoint of segment#1? + if ( perpSeg2 === 0 ) { - } + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt1 ]; + } + if ( perpSeg2 === limit ) { - LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt2 ]; - constructor: LOD, + } + // intersection at endpoint of segment#2? + if ( perpSeg1 === 0 ) return [ inSeg2Pt1 ]; + if ( perpSeg1 === limit ) return [ inSeg2Pt2 ]; - copy: function ( source ) { + // return real intersection point + var factorSeg1 = perpSeg2 / limit; + return [ { x: inSeg1Pt1.x + factorSeg1 * seg1dx, + y: inSeg1Pt1.y + factorSeg1 * seg1dy } ]; - Object3D.prototype.copy.call( this, source, false ); + } else { - var levels = source.levels; + // parallel or collinear + if ( ( perpSeg1 !== 0 ) || + ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) return []; - for ( var i = 0, l = levels.length; i < l; i ++ ) { + // they are collinear or degenerate + var seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) ); // segment1 is just a point? + var seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) ); // segment2 is just a point? + // both segments are points + if ( seg1Pt && seg2Pt ) { - var level = levels[ i ]; + if ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) || + ( inSeg1Pt1.y !== inSeg2Pt1.y ) ) return []; // they are distinct points + return [ inSeg1Pt1 ]; // they are the same point - this.addLevel( level.object.clone(), level.distance ); + } + // segment#1 is a single point + if ( seg1Pt ) { - } + if ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) ) return []; // but not in segment#2 + return [ inSeg1Pt1 ]; - return this; + } + // segment#2 is a single point + if ( seg2Pt ) { - }, + if ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) ) return []; // but not in segment#1 + return [ inSeg2Pt1 ]; - addLevel: function ( object, distance ) { + } - if ( distance === undefined ) distance = 0; + // they are collinear segments, which might overlap + var seg1min, seg1max, seg1minVal, seg1maxVal; + var seg2min, seg2max, seg2minVal, seg2maxVal; + if ( seg1dx !== 0 ) { - distance = Math.abs( distance ); + // the segments are NOT on a vertical line + if ( inSeg1Pt1.x < inSeg1Pt2.x ) { - var levels = this.levels; + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x; - for ( var l = 0; l < levels.length; l ++ ) { + } else { - if ( distance < levels[ l ].distance ) { + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x; - break; + } + if ( inSeg2Pt1.x < inSeg2Pt2.x ) { - } + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x; - } + } else { - levels.splice( l, 0, { distance: distance, object: object } ); + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x; - this.add( object ); + } - }, + } else { - getObjectForDistance: function ( distance ) { + // the segments are on a vertical line + if ( inSeg1Pt1.y < inSeg1Pt2.y ) { - var levels = this.levels; + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y; - for ( var i = 1, l = levels.length; i < l; i ++ ) { + } else { - if ( distance < levels[ i ].distance ) { + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y; - break; + } + if ( inSeg2Pt1.y < inSeg2Pt2.y ) { - } + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y; - } + } else { - return levels[ i - 1 ].object; + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y; - }, + } - raycast: ( function () { + } + if ( seg1minVal <= seg2minVal ) { - var matrixPosition = new Vector3(); + if ( seg1maxVal < seg2minVal ) return []; + if ( seg1maxVal === seg2minVal ) { - return function raycast( raycaster, intersects ) { + if ( inExcludeAdjacentSegs ) return []; + return [ seg2min ]; - matrixPosition.setFromMatrixPosition( this.matrixWorld ); + } + if ( seg1maxVal <= seg2maxVal ) return [ seg2min, seg1max ]; + return [ seg2min, seg2max ]; - var distance = raycaster.ray.origin.distanceTo( matrixPosition ); + } else { - this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + if ( seg1minVal > seg2maxVal ) return []; + if ( seg1minVal === seg2maxVal ) { - }; + if ( inExcludeAdjacentSegs ) return []; + return [ seg1min ]; - }() ), + } + if ( seg1maxVal <= seg2maxVal ) return [ seg1min, seg1max ]; + return [ seg1min, seg2max ]; - update: function () { + } - var v1 = new Vector3(); - var v2 = new Vector3(); + } - return function update( camera ) { + } - var levels = this.levels; + function isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) { - if ( levels.length > 1 ) { + // The order of legs is important - v1.setFromMatrixPosition( camera.matrixWorld ); - v2.setFromMatrixPosition( this.matrixWorld ); + // translation of all points, so that Vertex is at (0,0) + var legFromPtX = inLegFromPt.x - inVertex.x, legFromPtY = inLegFromPt.y - inVertex.y; + var legToPtX = inLegToPt.x - inVertex.x, legToPtY = inLegToPt.y - inVertex.y; + var otherPtX = inOtherPt.x - inVertex.x, otherPtY = inOtherPt.y - inVertex.y; - var distance = v1.distanceTo( v2 ); + // main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg. + var from2toAngle = legFromPtX * legToPtY - legFromPtY * legToPtX; + var from2otherAngle = legFromPtX * otherPtY - legFromPtY * otherPtX; - levels[ 0 ].object.visible = true; + if ( Math.abs( from2toAngle ) > Number.EPSILON ) { - for ( var i = 1, l = levels.length; i < l; i ++ ) { + // angle != 180 deg. - if ( distance >= levels[ i ].distance ) { + var other2toAngle = otherPtX * legToPtY - otherPtY * legToPtX; + // console.log( "from2to: " + from2toAngle + ", from2other: " + from2otherAngle + ", other2to: " + other2toAngle ); - levels[ i - 1 ].object.visible = false; - levels[ i ].object.visible = true; + if ( from2toAngle > 0 ) { - } else { + // main angle < 180 deg. + return ( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) ); - break; + } else { - } + // main angle > 180 deg. + return ( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) ); } - for ( ; i < l; i ++ ) { - - levels[ i ].object.visible = false; + } else { - } + // angle == 180 deg. + // console.log( "from2to: 180 deg., from2other: " + from2otherAngle ); + return ( from2otherAngle > 0 ); } - }; + } - }(), - toJSON: function ( meta ) { + function removeHoles( contour, holes ) { - var data = Object3D.prototype.toJSON.call( this, meta ); + var shape = contour.concat(); // work on this shape + var hole; - data.object.levels = []; + function isCutLineInsideAngles( inShapeIdx, inHoleIdx ) { - var levels = this.levels; + // Check if hole point lies within angle around shape point + var lastShapeIdx = shape.length - 1; - for ( var i = 0, l = levels.length; i < l; i ++ ) { + var prevShapeIdx = inShapeIdx - 1; + if ( prevShapeIdx < 0 ) prevShapeIdx = lastShapeIdx; - var level = levels[ i ]; + var nextShapeIdx = inShapeIdx + 1; + if ( nextShapeIdx > lastShapeIdx ) nextShapeIdx = 0; - data.object.levels.push( { - object: level.object.uuid, - distance: level.distance - } ); + var insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] ); + if ( ! insideAngle ) { - } + // console.log( "Vertex (Shape): " + inShapeIdx + ", Point: " + hole[inHoleIdx].x + "/" + hole[inHoleIdx].y ); + return false; - return data; + } - } + // Check if shape point lies within angle around hole point + var lastHoleIdx = hole.length - 1; - } ); + var prevHoleIdx = inHoleIdx - 1; + if ( prevHoleIdx < 0 ) prevHoleIdx = lastHoleIdx; - /** - * @author alteredq / http://alteredqualia.com/ - */ + var nextHoleIdx = inHoleIdx + 1; + if ( nextHoleIdx > lastHoleIdx ) nextHoleIdx = 0; - function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + insideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] ); + if ( ! insideAngle ) { - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + // console.log( "Vertex (Hole): " + inHoleIdx + ", Point: " + shape[inShapeIdx].x + "/" + shape[inShapeIdx].y ); + return false; - this.image = { data: data, width: width, height: height }; + } - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + return true; - this.generateMipmaps = false; - this.flipY = false; - this.unpackAlignment = 1; + } - } + function intersectsShapeEdge( inShapePt, inHolePt ) { - DataTexture.prototype = Object.create( Texture.prototype ); - DataTexture.prototype.constructor = DataTexture; + // checks for intersections with shape edges + var sIdx, nextIdx, intersection; + for ( sIdx = 0; sIdx < shape.length; sIdx ++ ) { - DataTexture.prototype.isDataTexture = true; + nextIdx = sIdx + 1; nextIdx %= shape.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author michael guerrero / http://realitymeltdown.com - * @author ikerr / http://verold.com - */ + } - function Skeleton( bones, boneInverses, useVertexTexture ) { + return false; - this.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true; + } - this.identityMatrix = new Matrix4(); + var indepHoles = []; - // copy the bone array + function intersectsHoleEdge( inShapePt, inHolePt ) { - bones = bones || []; + // checks for intersections with hole edges + var ihIdx, chkHole, + hIdx, nextIdx, intersection; + for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) { - this.bones = bones.slice( 0 ); + chkHole = holes[ indepHoles[ ihIdx ]]; + for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) { - // create a bone texture or an array of floats + nextIdx = hIdx + 1; nextIdx %= chkHole.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; - if ( this.useVertexTexture ) { + } - // layout (1 matrix = 4 pixels) - // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) - // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) - // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) - // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) - // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + } + return false; + } - var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix - size = _Math.nextPowerOfTwo( Math.ceil( size ) ); - size = Math.max( size, 4 ); + var holeIndex, shapeIndex, + shapePt, holePt, + holeIdx, cutKey, failedCuts = [], + tmpShape1, tmpShape2, + tmpHole1, tmpHole2; - this.boneTextureWidth = size; - this.boneTextureHeight = size; + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { - this.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel - this.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType ); + indepHoles.push( h ); - } else { + } - this.boneMatrices = new Float32Array( 16 * this.bones.length ); + var minShapeIndex = 0; + var counter = indepHoles.length * 2; + while ( indepHoles.length > 0 ) { - } + counter --; + if ( counter < 0 ) { - // use the supplied bone inverses or calculate the inverses + console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" ); + break; - if ( boneInverses === undefined ) { + } - this.calculateInverses(); + // search for shape-vertex and hole-vertex, + // which can be connected without intersections + for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) { - } else { + shapePt = shape[ shapeIndex ]; + holeIndex = - 1; - if ( this.bones.length === boneInverses.length ) { + // search for hole which can be reached without intersections + for ( var h = 0; h < indepHoles.length; h ++ ) { - this.boneInverses = boneInverses.slice( 0 ); + holeIdx = indepHoles[ h ]; - } else { + // prevent multiple checks + cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx; + if ( failedCuts[ cutKey ] !== undefined ) continue; - console.warn( 'THREE.Skeleton bonInverses is the wrong length.' ); + hole = holes[ holeIdx ]; + for ( var h2 = 0; h2 < hole.length; h2 ++ ) { - this.boneInverses = []; + holePt = hole[ h2 ]; + if ( ! isCutLineInsideAngles( shapeIndex, h2 ) ) continue; + if ( intersectsShapeEdge( shapePt, holePt ) ) continue; + if ( intersectsHoleEdge( shapePt, holePt ) ) continue; - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + holeIndex = h2; + indepHoles.splice( h, 1 ); - this.boneInverses.push( new Matrix4() ); + tmpShape1 = shape.slice( 0, shapeIndex + 1 ); + tmpShape2 = shape.slice( shapeIndex ); + tmpHole1 = hole.slice( holeIndex ); + tmpHole2 = hole.slice( 0, holeIndex + 1 ); - } + shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 ); - } + minShapeIndex = shapeIndex; - } + // Debug only, to show the selected cuts + // glob_CutLines.push( [ shapePt, holePt ] ); - } + break; - Object.assign( Skeleton.prototype, { + } + if ( holeIndex >= 0 ) break; // hole-vertex found - calculateInverses: function () { + failedCuts[ cutKey ] = true; // remember failure - this.boneInverses = []; + } + if ( holeIndex >= 0 ) break; // hole-vertex found - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + } - var inverse = new Matrix4(); + } - if ( this.bones[ b ] ) { + return shape; /* shape with no holes */ - inverse.getInverse( this.bones[ b ].matrixWorld ); + } - } - this.boneInverses.push( inverse ); + var i, il, f, face, + key, index, + allPointsMap = {}; - } + // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first. - }, + var allpoints = contour.concat(); - pose: function () { + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { - var bone; + Array.prototype.push.apply( allpoints, holes[ h ] ); - // recover the bind-time world matrices + } - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + //console.log( "allpoints",allpoints, allpoints.length ); - bone = this.bones[ b ]; + // prepare all points map - if ( bone ) { + for ( i = 0, il = allpoints.length; i < il; i ++ ) { - bone.matrixWorld.getInverse( this.boneInverses[ b ] ); + key = allpoints[ i ].x + ":" + allpoints[ i ].y; + + if ( allPointsMap[ key ] !== undefined ) { + + console.warn( "THREE.ShapeUtils: Duplicate point", key, i ); } + allPointsMap[ key ] = i; + } - // compute the local matrices, positions, rotations and scales + // remove holes by cutting paths to holes and adding them to the shape + var shapeWithoutHoles = removeHoles( contour, holes ); - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + var triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape + //console.log( "triangles",triangles, triangles.length ); - bone = this.bones[ b ]; + // check all face vertices against all points map - if ( bone ) { + for ( i = 0, il = triangles.length; i < il; i ++ ) { - if ( (bone.parent && bone.parent.isBone) ) { + face = triangles[ i ]; - bone.matrix.getInverse( bone.parent.matrixWorld ); - bone.matrix.multiply( bone.matrixWorld ); + for ( f = 0; f < 3; f ++ ) { - } else { + key = face[ f ].x + ":" + face[ f ].y; - bone.matrix.copy( bone.matrixWorld ); + index = allPointsMap[ key ]; - } + if ( index !== undefined ) { - bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + face[ f ] = index; + + } } } + return triangles.concat(); + }, - update: ( function () { + isClockWise: function ( pts ) { - var offsetMatrix = new Matrix4(); + return ShapeUtils.area( pts ) < 0; - return function update() { + }, - // flatten bone matrices to array + // Bezier Curves formulas obtained from + // http://en.wikipedia.org/wiki/B%C3%A9zier_curve - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + // Quad Bezier Functions - // compute the offset between the current and the original transform + b2: ( function () { - var matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix; + function b2p0( t, p ) { - offsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] ); - offsetMatrix.toArray( this.boneMatrices, b * 16 ); + var k = 1 - t; + return k * k * p; - } + } - if ( this.useVertexTexture ) { + function b2p1( t, p ) { - this.boneTexture.needsUpdate = true; + return 2 * ( 1 - t ) * t * p; - } + } - }; + function b2p2( t, p ) { - } )(), + return t * t * p; - clone: function () { + } - return new Skeleton( this.bones, this.boneInverses, this.useVertexTexture ); + return function b2( t, p0, p1, p2 ) { - } + return b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 ); - } ); + }; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ + } )(), - function Bone( skin ) { + // Cubic Bezier Functions - Object3D.call( this ); + b3: ( function () { - this.type = 'Bone'; + function b3p0( t, p ) { - this.skin = skin; + var k = 1 - t; + return k * k * k * p; - } + } - Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { + function b3p1( t, p ) { - constructor: Bone, + var k = 1 - t; + return 3 * k * k * t * p; - isBone: true, + } - copy: function ( source ) { + function b3p2( t, p ) { - Object3D.prototype.copy.call( this, source ); + var k = 1 - t; + return 3 * k * t * t * p; - this.skin = source.skin; + } - return this; + function b3p3( t, p ) { - } + return t * t * t * p; - } ); + } - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ + return function b3( t, p0, p1, p2, p3 ) { - function SkinnedMesh( geometry, material, useVertexTexture ) { + return b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 ); - Mesh.call( this, geometry, material ); + }; - this.type = 'SkinnedMesh'; + } )() - this.bindMode = "attached"; - this.bindMatrix = new Matrix4(); - this.bindMatrixInverse = new Matrix4(); + }; - // init bones + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * amount: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline is bevel + * bevelSegments: , // number of bevel layers + * + * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined) + * frames: // containing arrays of tangents, normals, binormals + * + * uvGenerator: // object that provides UV generator functions + * + * } + **/ - // TODO: remove bone creation as there is no reason (other than - // convenience) for THREE.SkinnedMesh to do this. + function ExtrudeGeometry( shapes, options ) { - var bones = []; + if ( typeof( shapes ) === "undefined" ) { - if ( this.geometry && this.geometry.bones !== undefined ) { + shapes = []; + return; - var bone, gbone; + } - for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + Geometry.call( this ); - gbone = this.geometry.bones[ b ]; + this.type = 'ExtrudeGeometry'; - bone = new Bone( this ); - bones.push( bone ); + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; - bone.name = gbone.name; - bone.position.fromArray( gbone.pos ); - bone.quaternion.fromArray( gbone.rotq ); - if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); + this.addShapeList( shapes, options ); - } + this.computeFaceNormals(); - for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + // can't really use automatic vertex normals + // as then front and back sides get smoothed too + // should do separate smoothing just for sides - gbone = this.geometry.bones[ b ]; + //this.computeVertexNormals(); - if ( gbone.parent !== - 1 && gbone.parent !== null && - bones[ gbone.parent ] !== undefined ) { + //console.log( "took", ( Date.now() - startTime ) ); - bones[ gbone.parent ].add( bones[ b ] ); + } - } else { + ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); + ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; - this.add( bones[ b ] ); + ExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) { - } + var sl = shapes.length; - } + for ( var s = 0; s < sl; s ++ ) { + + var shape = shapes[ s ]; + this.addShape( shape, options ); } - this.normalizeSkinWeights(); + }; - this.updateMatrixWorld( true ); - this.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld ); + ExtrudeGeometry.prototype.addShape = function ( shape, options ) { - } + var amount = options.amount !== undefined ? options.amount : 100; + var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10 + var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8 + var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; - SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { + var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false - constructor: SkinnedMesh, + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; - isSkinnedMesh: true, + var steps = options.steps !== undefined ? options.steps : 1; - bind: function( skeleton, bindMatrix ) { + var extrudePath = options.extrudePath; + var extrudePts, extrudeByPath = false; - this.skeleton = skeleton; + // Use default WorldUVGenerator if no UV generators are specified. + var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator; - if ( bindMatrix === undefined ) { + var splineTube, binormal, normal, position2; + if ( extrudePath ) { - this.updateMatrixWorld( true ); + extrudePts = extrudePath.getSpacedPoints( steps ); - this.skeleton.calculateInverses(); + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion - bindMatrix = this.matrixWorld; + // SETUP TNB variables - } + // TODO1 - have a .isClosed in spline? - this.bindMatrix.copy( bindMatrix ); - this.bindMatrixInverse.getInverse( bindMatrix ); + splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false ); - }, + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); - pose: function () { + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); - this.skeleton.pose(); + } - }, + // Safeguards if bevels are not enabled - normalizeSkinWeights: function () { + if ( ! bevelEnabled ) { - if ( (this.geometry && this.geometry.isGeometry) ) { + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; - for ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) { + } - var sw = this.geometry.skinWeights[ i ]; + // Variables initialization - var scale = 1.0 / sw.lengthManhattan(); + var ahole, h, hl; // looping of holes + var scope = this; - if ( scale !== Infinity ) { + var shapesOffset = this.vertices.length; - sw.multiplyScalar( scale ); + var shapePoints = shape.extractPoints( curveSegments ); - } else { + var vertices = shapePoints.shape; + var holes = shapePoints.holes; - sw.set( 1, 0, 0, 0 ); // do something reasonable + var reverse = ! ShapeUtils.isClockWise( vertices ); - } + if ( reverse ) { - } + vertices = vertices.reverse(); - } else if ( (this.geometry && this.geometry.isBufferGeometry) ) { + // Maybe we should also check if holes are in the opposite direction, just to be safe ... - var vec = new Vector4(); + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - var skinWeight = this.geometry.attributes.skinWeight; + ahole = holes[ h ]; - for ( var i = 0; i < skinWeight.count; i ++ ) { + if ( ShapeUtils.isClockWise( ahole ) ) { - vec.x = skinWeight.getX( i ); - vec.y = skinWeight.getY( i ); - vec.z = skinWeight.getZ( i ); - vec.w = skinWeight.getW( i ); + holes[ h ] = ahole.reverse(); - var scale = 1.0 / vec.lengthManhattan(); + } - if ( scale !== Infinity ) { + } - vec.multiplyScalar( scale ); + reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)! - } else { + } - vec.set( 1, 0, 0, 0 ); // do something reasonable - } + var faces = ShapeUtils.triangulateShape( vertices, holes ); - skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w ); + /* Vertices */ - } + var contour = vertices; // vertices has all points but contour has only points of circumference - } + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - }, + ahole = holes[ h ]; - updateMatrixWorld: function( force ) { + vertices = vertices.concat( ahole ); - Mesh.prototype.updateMatrixWorld.call( this, true ); + } - if ( this.bindMode === "attached" ) { - this.bindMatrixInverse.getInverse( this.matrixWorld ); + function scalePt2( pt, vec, size ) { - } else if ( this.bindMode === "detached" ) { + if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); - this.bindMatrixInverse.getInverse( this.bindMatrix ); + return vec.clone().multiplyScalar( size ).add( pt ); - } else { + } - console.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode ); + var b, bs, t, z, + vert, vlen = vertices.length, + face, flen = faces.length; - } - }, + // Find directions for point movement - clone: function() { - return new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this ); + function getBevelVec( inPt, inPrev, inNext ) { - } + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. - } ); + var v_trans_x, v_trans_y, shrink_by = 1; // resulting translation vector for inPt - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * linewidth: , - * linecap: "round", - * linejoin: "round" - * } - */ + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html - function LineBasicMaterial( parameters ) { + var v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; + var v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; - Material.call( this ); + var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); - this.type = 'LineBasicMaterial'; + // check for collinear edges + var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - this.color = new Color( 0xffffff ); + if ( Math.abs( collinear0 ) > Number.EPSILON ) { - this.linewidth = 1; - this.linecap = 'round'; - this.linejoin = 'round'; + // not collinear - this.lights = false; + // length of vectors for normalizing - this.setValues( parameters ); + var v_prev_len = Math.sqrt( v_prev_lensq ); + var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); - } + // shift adjacent points by unit vectors to the left - LineBasicMaterial.prototype = Object.create( Material.prototype ); - LineBasicMaterial.prototype.constructor = LineBasicMaterial; + var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); - LineBasicMaterial.prototype.isLineBasicMaterial = true; + var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); - LineBasicMaterial.prototype.copy = function ( source ) { + // scaling factor for v_prev to intersection point - Material.prototype.copy.call( this, source ); + var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - this.color.copy( source.color ); + // vector from inPt to intersection point - this.linewidth = source.linewidth; - this.linecap = source.linecap; - this.linejoin = source.linejoin; + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); - return this; + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { - }; + return new Vector2( v_trans_x, v_trans_y ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } else { - function Line( geometry, material, mode ) { + shrink_by = Math.sqrt( v_trans_lensq / 2 ); - if ( mode === 1 ) { + } - console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' ); - return new LineSegments( geometry, material ); + } else { - } + // handle special case of collinear edges - Object3D.call( this ); + var direction_eq = false; // assumes: opposite + if ( v_prev_x > Number.EPSILON ) { - this.type = 'Line'; + if ( v_next_x > Number.EPSILON ) { - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); + direction_eq = true; - } + } - Line.prototype = Object.assign( Object.create( Object3D.prototype ), { + } else { - constructor: Line, + if ( v_prev_x < - Number.EPSILON ) { - isLine: true, + if ( v_next_x < - Number.EPSILON ) { - raycast: ( function () { + direction_eq = true; - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + } - return function raycast( raycaster, intersects ) { + } else { - var precision = raycaster.linePrecision; - var precisionSq = precision * precision; + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; + direction_eq = true; - // Checking boundingSphere distance to ray + } - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + } - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + } - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + if ( direction_eq ) { - // + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + } else { - var vStart = new Vector3(); - var vEnd = new Vector3(); - var interSegment = new Vector3(); - var interRay = new Vector3(); - var step = (this && this.isLineSegments) ? 2 : 1; + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); - if ( (geometry && geometry.isBufferGeometry) ) { + } - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + } - if ( index !== null ) { + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); - var indices = index.array; + } - for ( var i = 0, l = indices.length - 1; i < l; i += step ) { - var a = indices[ i ]; - var b = indices[ i + 1 ]; + var contourMovements = []; - vStart.fromArray( positions, a * 3 ); - vEnd.fromArray( positions, b * 3 ); + for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + if ( j === il ) j = 0; + if ( k === il ) k = 0; - if ( distSq > precisionSq ) continue; + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); - var distance = raycaster.ray.origin.distanceTo( interRay ); + } - if ( distance < raycaster.near || distance > raycaster.far ) continue; + var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat(); - intersects.push( { + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + ahole = holes[ h ]; - } ); + oneHoleMovements = []; - } + for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - } else { + if ( j === il ) j = 0; + if ( k === il ) k = 0; - for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); - vStart.fromArray( positions, 3 * i ); - vEnd.fromArray( positions, 3 * i + 3 ); + } - var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); - if ( distSq > precisionSq ) continue; + } - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - var distance = raycaster.ray.origin.distanceTo( interRay ); + // Loop bevelSegments, 1 for the front, 1 for the back - if ( distance < raycaster.near || distance > raycaster.far ) continue; + for ( b = 0; b < bevelSegments; b ++ ) { - intersects.push( { + //for ( b = bevelSegments; b > 0; b -- ) { - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + t = b / bevelSegments; + z = bevelThickness * Math.cos( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); - } ); + // contract shape - } + for ( i = 0, il = contour.length; i < il; i ++ ) { - } + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - } else if ( (geometry && geometry.isGeometry) ) { + v( vert.x, vert.y, - z ); - var vertices = geometry.vertices; - var nbVertices = vertices.length; + } - for ( var i = 0; i < nbVertices - 1; i += step ) { + // expand holes - var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - if ( distSq > precisionSq ) continue; + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + for ( i = 0, il = ahole.length; i < il; i ++ ) { - var distance = raycaster.ray.origin.distanceTo( interRay ); + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - if ( distance < raycaster.near || distance > raycaster.far ) continue; + v( vert.x, vert.y, - z ); - intersects.push( { + } - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + } - } ); + } - } + bs = bevelSize; - } + // Back facing vertices - }; + for ( i = 0; i < vlen; i ++ ) { - }() ), + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - clone: function () { + if ( ! extrudeByPath ) { - return new this.constructor( this.geometry, this.material ).copy( this ); + v( vert.x, vert.y, 0 ); - } + } else { - } ); + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); - function LineSegments( geometry, material ) { + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); - Line.call( this, geometry, material ); + v( position2.x, position2.y, position2.z ); - this.type = 'LineSegments'; + } - } + } - LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { + // Add stepped vertices... + // Including front facing vertices - constructor: LineSegments, + var s; - isLineSegments: true + for ( s = 1; s <= steps; s ++ ) { - } ); + for ( i = 0; i < vlen; i ++ ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * size: , - * sizeAttenuation: - * } - */ + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - function PointsMaterial( parameters ) { + if ( ! extrudeByPath ) { - Material.call( this ); + v( vert.x, vert.y, amount / steps * s ); - this.type = 'PointsMaterial'; + } else { - this.color = new Color( 0xffffff ); + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); - this.map = null; + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); - this.size = 1; - this.sizeAttenuation = true; + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); - this.lights = false; + v( position2.x, position2.y, position2.z ); - this.setValues( parameters ); + } - } + } - PointsMaterial.prototype = Object.create( Material.prototype ); - PointsMaterial.prototype.constructor = PointsMaterial; + } - PointsMaterial.prototype.isPointsMaterial = true; - PointsMaterial.prototype.copy = function ( source ) { + // Add bevel segments planes - Material.prototype.copy.call( this, source ); + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( b = bevelSegments - 1; b >= 0; b -- ) { - this.color.copy( source.color ); + t = b / bevelSegments; + z = bevelThickness * Math.cos ( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); - this.map = source.map; + // contract shape - this.size = source.size; - this.sizeAttenuation = source.sizeAttenuation; + for ( i = 0, il = contour.length; i < il; i ++ ) { - return this; + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, amount + z ); - }; + } - /** - * @author alteredq / http://alteredqualia.com/ - */ + // expand holes - function Points( geometry, material ) { + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - Object3D.call( this ); + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; - this.type = 'Points'; + for ( i = 0, il = ahole.length; i < il; i ++ ) { - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - } + if ( ! extrudeByPath ) { - Points.prototype = Object.assign( Object.create( Object3D.prototype ), { + v( vert.x, vert.y, amount + z ); - constructor: Points, + } else { - isPoints: true, + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); - raycast: ( function () { + } - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + } - return function raycast( raycaster, intersects ) { + } - var object = this; - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; - var threshold = raycaster.params.Points.threshold; + } - // Checking boundingSphere distance to ray + /* Faces */ - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + // Top and bottom faces - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + buildLidFaces(); - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + // Sides faces - // + buildSideFaces(); - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); - var localThresholdSq = localThreshold * localThreshold; - var position = new Vector3(); + ///// Internal functions - function testPoint( point, index ) { + function buildLidFaces() { - var rayPointDistanceSq = ray.distanceSqToPoint( point ); + if ( bevelEnabled ) { - if ( rayPointDistanceSq < localThresholdSq ) { + var layer = 0; // steps + 1 + var offset = vlen * layer; - var intersectPoint = ray.closestPointToPoint( point ); - intersectPoint.applyMatrix4( matrixWorld ); + // Bottom faces - var distance = raycaster.ray.origin.distanceTo( intersectPoint ); + for ( i = 0; i < flen; i ++ ) { - if ( distance < raycaster.near || distance > raycaster.far ) return; + face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); - intersects.push( { + } - distance: distance, - distanceToRay: Math.sqrt( rayPointDistanceSq ), - point: intersectPoint.clone(), - index: index, - face: null, - object: object + layer = steps + bevelSegments * 2; + offset = vlen * layer; - } ); + // Top faces - } + for ( i = 0; i < flen; i ++ ) { + + face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); } - if ( (geometry && geometry.isBufferGeometry) ) { + } else { - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + // Bottom faces - if ( index !== null ) { + for ( i = 0; i < flen; i ++ ) { - var indices = index.array; + face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); - for ( var i = 0, il = indices.length; i < il; i ++ ) { + } - var a = indices[ i ]; + // Top faces - position.fromArray( positions, a * 3 ); + for ( i = 0; i < flen; i ++ ) { - testPoint( position, a ); + face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); - } + } - } else { + } - for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { + } - position.fromArray( positions, i * 3 ); + // Create faces for the z-sides of the shape - testPoint( position, i ); + function buildSideFaces() { - } + var layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; - } + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - } else { + ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); - var vertices = geometry.vertices; + //, true + layeroffset += ahole.length; - for ( var i = 0, l = vertices.length; i < l; i ++ ) { + } - testPoint( vertices[ i ], i ); + } - } + function sidewalls( contour, layeroffset ) { - } + var j, k; + i = contour.length; - }; + while ( -- i >= 0 ) { - }() ), + j = i; + k = i - 1; + if ( k < 0 ) k = contour.length - 1; - clone: function () { + //console.log('b', i,j, i-1, k,vertices.length); - return new this.constructor( this.geometry, this.material ).copy( this ); + var s = 0, sl = steps + bevelSegments * 2; - } + for ( s = 0; s < sl; s ++ ) { - } ); + var slen1 = vlen * s; + var slen2 = vlen * ( s + 1 ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + var a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; - function Group() { + f4( a, b, c, d, contour, s, sl, j, k ); - Object3D.call( this ); + } - this.type = 'Group'; + } - } + } - Group.prototype = Object.assign( Object.create( Object3D.prototype ), { - constructor: Group + function v( x, y, z ) { - } ); + scope.vertices.push( new Vector3( x, y, z ) ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - - Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - - this.generateMipmaps = false; - - var scope = this; - - function update() { + function f3( a, b, c ) { - requestAnimationFrame( update ); + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; - if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + scope.faces.push( new Face3( a, b, c, null, null, 0 ) ); - scope.needsUpdate = true; + var uvs = uvgen.generateTopUV( scope, a, b, c ); - } + scope.faceVertexUvs[ 0 ].push( uvs ); } - update(); - - } - - VideoTexture.prototype = Object.create( Texture.prototype ); - VideoTexture.prototype.constructor = VideoTexture; - - /** - * @author alteredq / http://alteredqualia.com/ - */ - - function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + function f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) { - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; + d += shapesOffset; - this.image = { width: width, height: height }; - this.mipmaps = mipmaps; + scope.faces.push( new Face3( a, b, d, null, null, 1 ) ); + scope.faces.push( new Face3( b, c, d, null, null, 1 ) ); - // no flipping for cube textures - // (also flipping doesn't work for compressed textures ) + var uvs = uvgen.generateSideWallUV( scope, a, b, c, d ); - this.flipY = false; + scope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] ); + scope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] ); - // can't generate mipmaps for compressed textures - // mips must be embedded in DDS files + } - this.generateMipmaps = false; + }; - } + ExtrudeGeometry.WorldUVGenerator = { - CompressedTexture.prototype = Object.create( Texture.prototype ); - CompressedTexture.prototype.constructor = CompressedTexture; + generateTopUV: function ( geometry, indexA, indexB, indexC ) { - CompressedTexture.prototype.isCompressedTexture = true; + var vertices = geometry.vertices; - /** - * @author mrdoob / http://mrdoob.com/ - */ + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; - function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + return [ + new Vector2( a.x, a.y ), + new Vector2( b.x, b.y ), + new Vector2( c.x, c.y ) + ]; - Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + }, - this.needsUpdate = true; + generateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) { - } + var vertices = geometry.vertices; - CanvasTexture.prototype = Object.create( Texture.prototype ); - CanvasTexture.prototype.constructor = CanvasTexture; + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; + var d = vertices[ indexD ]; - /** - * @author Matt DesLauriers / @mattdesl - * @author atix / arthursilber.de - */ + if ( Math.abs( a.y - b.y ) < 0.01 ) { - function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { + return [ + new Vector2( a.x, 1 - a.z ), + new Vector2( b.x, 1 - b.z ), + new Vector2( c.x, 1 - c.z ), + new Vector2( d.x, 1 - d.z ) + ]; - format = format !== undefined ? format : DepthFormat; + } else { - if ( format !== DepthFormat && format !== DepthStencilFormat ) { + return [ + new Vector2( a.y, 1 - a.z ), + new Vector2( b.y, 1 - b.z ), + new Vector2( c.y, 1 - c.z ), + new Vector2( d.y, 1 - d.z ) + ]; - throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ) + } } - - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - - this.image = { width: width, height: height }; - - this.type = type !== undefined ? type : UnsignedShortType; - - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - - this.flipY = false; - this.generateMipmaps = false; - - } - - DepthTexture.prototype = Object.create( Texture.prototype ); - DepthTexture.prototype.constructor = DepthTexture; - DepthTexture.prototype.isDepthTexture = true; + }; /** - * @author mrdoob / http://mrdoob.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author alteredq / http://alteredqualia.com/ + * + * Text = 3D Text + * + * parameters = { + * font: , // font + * + * size: , // size of the text + * height: , // thickness to extrude text + * curveSegments: , // number of points on the curves + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into text bevel goes + * bevelSize: // how far from text outline is bevel + * } */ - function WireframeGeometry( geometry ) { + function TextGeometry( text, parameters ) { - BufferGeometry.call( this ); + parameters = parameters || {}; - var edge = [ 0, 0 ], hash = {}; + var font = parameters.font; - function sortFunction( a, b ) { + if ( (font && font.isFont) === false ) { - return a - b; + console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); + return new Geometry(); } - var keys = [ 'a', 'b', 'c' ]; - - if ( (geometry && geometry.isGeometry) ) { - - var vertices = geometry.vertices; - var faces = geometry.faces; - var numEdges = 0; - - // allocate maximal size - var edges = new Uint32Array( 6 * faces.length ); - - for ( var i = 0, l = faces.length; i < l; i ++ ) { - - var face = faces[ i ]; - - for ( var j = 0; j < 3; j ++ ) { - - edge[ 0 ] = face[ keys[ j ] ]; - edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; - edge.sort( sortFunction ); - - var key = edge.toString(); - - if ( hash[ key ] === undefined ) { - - edges[ 2 * numEdges ] = edge[ 0 ]; - edges[ 2 * numEdges + 1 ] = edge[ 1 ]; - hash[ key ] = true; - numEdges ++; - - } - - } - - } + var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments ); - var coords = new Float32Array( numEdges * 2 * 3 ); + // translate parameters to ExtrudeGeometry API - for ( var i = 0, l = numEdges; i < l; i ++ ) { + parameters.amount = parameters.height !== undefined ? parameters.height : 50; - for ( var j = 0; j < 2; j ++ ) { + // defaults - var vertex = vertices[ edges [ 2 * i + j ] ]; + if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; + if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; + if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; - var index = 6 * i + 3 * j; - coords[ index + 0 ] = vertex.x; - coords[ index + 1 ] = vertex.y; - coords[ index + 2 ] = vertex.z; + ExtrudeGeometry.call( this, shapes, parameters ); - } + this.type = 'TextGeometry'; - } + } - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + TextGeometry.prototype = Object.create( ExtrudeGeometry.prototype ); + TextGeometry.prototype.constructor = TextGeometry; - } else if ( (geometry && geometry.isBufferGeometry) ) { + /** + * @author benaadams / https://twitter.com/ben_a_adams + * based on THREE.SphereGeometry + */ - if ( geometry.index !== null ) { + function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - // Indexed BufferGeometry + BufferGeometry.call( this ); - var indices = geometry.index.array; - var vertices = geometry.attributes.position; - var groups = geometry.groups; - var numEdges = 0; + this.type = 'SphereBufferGeometry'; - if ( groups.length === 0 ) { + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - geometry.addGroup( 0, indices.length ); + radius = radius || 50; - } + widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); - // allocate maximal size - var edges = new Uint32Array( 2 * indices.length ); + phiStart = phiStart !== undefined ? phiStart : 0; + phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; - for ( var o = 0, ol = groups.length; o < ol; ++ o ) { + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; - var group = groups[ o ]; + var thetaEnd = thetaStart + thetaLength; - var start = group.start; - var count = group.count; + var vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) ); - for ( var i = start, il = start + count; i < il; i += 3 ) { + var positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - for ( var j = 0; j < 3; j ++ ) { + var index = 0, vertices = [], normal = new Vector3(); - edge[ 0 ] = indices[ i + j ]; - edge[ 1 ] = indices[ i + ( j + 1 ) % 3 ]; - edge.sort( sortFunction ); + for ( var y = 0; y <= heightSegments; y ++ ) { - var key = edge.toString(); + var verticesRow = []; - if ( hash[ key ] === undefined ) { + var v = y / heightSegments; - edges[ 2 * numEdges ] = edge[ 0 ]; - edges[ 2 * numEdges + 1 ] = edge[ 1 ]; - hash[ key ] = true; - numEdges ++; + for ( var x = 0; x <= widthSegments; x ++ ) { - } + var u = x / widthSegments; - } + var px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + var py = radius * Math.cos( thetaStart + v * thetaLength ); + var pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - } + normal.set( px, py, pz ).normalize(); - } + positions.setXYZ( index, px, py, pz ); + normals.setXYZ( index, normal.x, normal.y, normal.z ); + uvs.setXY( index, u, 1 - v ); - var coords = new Float32Array( numEdges * 2 * 3 ); + verticesRow.push( index ); - for ( var i = 0, l = numEdges; i < l; i ++ ) { + index ++; - for ( var j = 0; j < 2; j ++ ) { + } - var index = 6 * i + 3 * j; - var index2 = edges[ 2 * i + j ]; + vertices.push( verticesRow ); - coords[ index + 0 ] = vertices.getX( index2 ); - coords[ index + 1 ] = vertices.getY( index2 ); - coords[ index + 2 ] = vertices.getZ( index2 ); + } - } + var indices = []; - } + for ( var y = 0; y < heightSegments; y ++ ) { - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + for ( var x = 0; x < widthSegments; x ++ ) { - } else { + var v1 = vertices[ y ][ x + 1 ]; + var v2 = vertices[ y ][ x ]; + var v3 = vertices[ y + 1 ][ x ]; + var v4 = vertices[ y + 1 ][ x + 1 ]; - // non-indexed BufferGeometry + if ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 ); + if ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 ); - var vertices = geometry.attributes.position.array; - var numEdges = vertices.length / 3; - var numTris = numEdges / 3; + } - var coords = new Float32Array( numEdges * 2 * 3 ); + } - for ( var i = 0, l = numTris; i < l; i ++ ) { + this.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', positions ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - for ( var j = 0; j < 3; j ++ ) { + this.boundingSphere = new Sphere( new Vector3(), radius ); - var index = 18 * i + 6 * j; + } - var index1 = 9 * i + 3 * j; - coords[ index + 0 ] = vertices[ index1 ]; - coords[ index + 1 ] = vertices[ index1 + 1 ]; - coords[ index + 2 ] = vertices[ index1 + 2 ]; + SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; - var index2 = 9 * i + 3 * ( ( j + 1 ) % 3 ); - coords[ index + 3 ] = vertices[ index2 ]; - coords[ index + 4 ] = vertices[ index2 + 1 ]; - coords[ index + 5 ] = vertices[ index2 + 2 ]; + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - } + Geometry.call( this ); - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + this.type = 'SphereGeometry'; - } + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } + this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); } - WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); - WireframeGeometry.prototype.constructor = WireframeGeometry; + SphereGeometry.prototype = Object.create( Geometry.prototype ); + SphereGeometry.prototype.constructor = SphereGeometry; /** * @author Mugen87 / https://github.com/Mugen87 - * - * Parametric Surfaces Geometry - * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 */ - function ParametricBufferGeometry( func, slices, stacks ) { + function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { BufferGeometry.call( this ); - this.type = 'ParametricBufferGeometry'; + this.type = 'RingBufferGeometry'; this.parameters = { - func: func, - slices: slices, - stacks: stacks + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength }; - // generate vertices and uvs + innerRadius = innerRadius || 20; + outerRadius = outerRadius || 50; - var vertices = []; - var uvs = []; + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - var i, j, p; - var u, v; + thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; + phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; - var sliceCount = slices + 1; + // these are used to calculate buffer length + var vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 ); + var indexCount = thetaSegments * phiSegments * 2 * 3; - for ( i = 0; i <= stacks; i ++ ) { + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - v = i / stacks; + // some helper variables + var index = 0, indexOffset = 0, segment; + var radius = innerRadius; + var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + var vertex = new Vector3(); + var uv = new Vector2(); + var j, i; - for ( j = 0; j <= slices; j ++ ) { + // generate vertices, normals and uvs - u = j / slices; + // values are generate from the inside of the ring to the outside - p = func( u, v ); - vertices.push( p.x, p.y, p.z ); + for ( j = 0; j <= phiSegments; j ++ ) { - uvs.push( u, v ); + for ( i = 0; i <= thetaSegments; i ++ ) { + + segment = thetaStart + i / thetaSegments * thetaLength; + + // vertex + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + + // normal + normals.setXYZ( index, 0, 0, 1 ); + + // uv + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index++; } + // increase the radius for next row of vertices + radius += radiusStep; + } // generate indices - var indices = []; - var a, b, c, d; + for ( j = 0; j < phiSegments; j ++ ) { - for ( i = 0; i < stacks; i ++ ) { + var thetaSegmentLevel = j * ( thetaSegments + 1 ); - for ( j = 0; j < slices; j ++ ) { + for ( i = 0; i < thetaSegments; i ++ ) { - a = i * sliceCount + j; - b = i * sliceCount + j + 1; - c = ( i + 1 ) * sliceCount + j + 1; - d = ( i + 1 ) * sliceCount + j; + segment = i + thetaSegmentLevel; - // faces one and two + // indices + var a = segment; + var b = segment + thetaSegments + 1; + var c = segment + thetaSegments + 2; + var d = segment + 1; - indices.push( a, b, d ); - indices.push( b, c, d ); + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + + // face two + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; } @@ -28783,5053 +27276,4694 @@ // build geometry - this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); - - // generate normals - - this.computeVertexNormals(); + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); } - ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; + RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + RingBufferGeometry.prototype.constructor = RingBufferGeometry; /** - * @author zz85 / https://github.com/zz85 - * - * Parametric Surfaces Geometry - * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + * @author Kaleb Murphy */ - function ParametricGeometry( func, slices, stacks ) { + function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { Geometry.call( this ); - this.type = 'ParametricGeometry'; + this.type = 'RingGeometry'; this.parameters = { - func: func, - slices: slices, - stacks: stacks + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength }; - this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); - this.mergeVertices(); + this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); } - ParametricGeometry.prototype = Object.create( Geometry.prototype ); - ParametricGeometry.prototype.constructor = ParametricGeometry; + RingGeometry.prototype = Object.create( Geometry.prototype ); + RingGeometry.prototype.constructor = RingGeometry; /** - * @author Mugen87 / https://github.com/Mugen87 + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as */ - function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { + function PlaneGeometry( width, height, widthSegments, heightSegments ) { - BufferGeometry.call( this ); + Geometry.call( this ); - this.type = 'PolyhedronBufferGeometry'; + this.type = 'PlaneGeometry'; this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments }; - radius = radius || 1; - detail = detail || 0; + this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); - // default buffer data + } - var vertexBuffer = []; - var uvBuffer = []; + PlaneGeometry.prototype = Object.create( Geometry.prototype ); + PlaneGeometry.prototype.constructor = PlaneGeometry; - // the subdivision creates the vertex buffer data + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - subdivide( detail ); + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. - // all vertices should lie on a conceptual sphere with a given radius + function LatheBufferGeometry( points, segments, phiStart, phiLength ) { - appplyRadius( radius ); + BufferGeometry.call( this ); - // finally, create the uv data + this.type = 'LatheBufferGeometry'; - generateUVs(); + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; - // build non-indexed geometry + segments = Math.floor( segments ) || 12; + phiStart = phiStart || 0; + phiLength = phiLength || Math.PI * 2; - this.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) ); - this.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) ); - this.normalizeNormals(); + // clamp phiLength so it's in range of [ 0, 2PI ] + phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); - this.boundingSphere = new Sphere( new Vector3(), radius ); + // these are used to calculate buffer length + var vertexCount = ( segments + 1 ) * points.length; + var indexCount = segments * points.length * 2 * 3; - // helper functions + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - function subdivide( detail ) { + // helper variables + var index = 0, indexOffset = 0, base; + var inverseSegments = 1.0 / segments; + var vertex = new Vector3(); + var uv = new Vector2(); + var i, j; - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); + // generate vertices and uvs - // iterate over all faces and apply a subdivison with the given detail value + for ( i = 0; i <= segments; i ++ ) { - for ( var i = 0; i < indices.length; i += 3 ) { + var phi = phiStart + i * inverseSegments * phiLength; - // get the vertices of the face + var sin = Math.sin( phi ); + var cos = Math.cos( phi ); - getVertexByIndex( indices[ i + 0 ], a ); - getVertexByIndex( indices[ i + 1 ], b ); - getVertexByIndex( indices[ i + 2 ], c ); + for ( j = 0; j <= ( points.length - 1 ); j ++ ) { - // perform subdivision + // vertex + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - subdivideFace( a, b, c, detail ); + // uv + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + uvs.setXY( index, uv.x, uv.y ); + + // increase index + index ++; } } - function subdivideFace( a, b, c, detail ) { + // generate indices - var cols = Math.pow( 2, detail ); + for ( i = 0; i < segments; i ++ ) { - // we use this multidimensional array as a data structure for creating the subdivision + for ( j = 0; j < ( points.length - 1 ); j ++ ) { - var v = []; + base = j + i * points.length; - var i, j; + // indices + var a = base; + var b = base + points.length; + var c = base + points.length + 1; + var d = base + 1; - // construct all of the vertices for this subdivision + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - for ( i = 0 ; i <= cols; i ++ ) { + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - v[ i ] = []; + } - var aj = a.clone().lerp( c, i / cols ); - var bj = b.clone().lerp( c, i / cols ); + } - var rows = cols - i; + // build geometry - for ( j = 0; j <= rows; j ++ ) { + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'uv', uvs ); - if ( j === 0 && i === cols ) { + // generate normals - v[ i ][ j ] = aj; + this.computeVertexNormals(); - } else { + // if the geometry is closed, we need to average the normals along the seam. + // because the corresponding vertices are identical (but still have different UVs). - v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + if( phiLength === Math.PI * 2 ) { - } + var normals = this.attributes.normal.array; + var n1 = new Vector3(); + var n2 = new Vector3(); + var n = new Vector3(); - } + // this is the buffer offset for the last line of vertices + base = segments * points.length * 3; - } + for( i = 0, j = 0; i < points.length; i ++, j += 3 ) { - // construct all of the faces + // select the normal of the vertex in the first line + n1.x = normals[ j + 0 ]; + n1.y = normals[ j + 1 ]; + n1.z = normals[ j + 2 ]; - for ( i = 0; i < cols ; i ++ ) { + // select the normal of the vertex in the last line + n2.x = normals[ base + j + 0 ]; + n2.y = normals[ base + j + 1 ]; + n2.z = normals[ base + j + 2 ]; - for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + // average normals + n.addVectors( n1, n2 ).normalize(); - var k = Math.floor( j / 2 ); + // assign the new values to both normals + normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; + normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; + normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; - if ( j % 2 === 0 ) { + } // next row - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); - pushVertex( v[ i ][ k ] ); + } - } else { + } - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); + LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; - } + /** + * @author astrodud / http://astrodud.isgreat.org/ + * @author zz85 / https://github.com/zz85 + * @author bhouston / http://clara.io + */ - } + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. - } + function LatheGeometry( points, segments, phiStart, phiLength ) { - } + Geometry.call( this ); - function appplyRadius( radius ) { + this.type = 'LatheGeometry'; - var vertex = new Vector3(); + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; - // iterate over the entire buffer and apply the radius to each vertex + this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); + this.mergeVertices(); - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + } - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; + LatheGeometry.prototype = Object.create( Geometry.prototype ); + LatheGeometry.prototype.constructor = LatheGeometry; - vertex.normalize().multiplyScalar( radius ); + /** + * @author jonobr1 / http://jonobr1.com + * + * Creates a one-sided polygonal geometry from a path shape. Similar to + * ExtrudeGeometry. + * + * parameters = { + * + * curveSegments: , // number of points on the curves. NOT USED AT THE MOMENT. + * + * material: // material index for front and back faces + * uvGenerator: // object that provides UV generator functions + * + * } + **/ - vertexBuffer[ i + 0 ] = vertex.x; - vertexBuffer[ i + 1 ] = vertex.y; - vertexBuffer[ i + 2 ] = vertex.z; + function ShapeGeometry( shapes, options ) { - } + Geometry.call( this ); - } + this.type = 'ShapeGeometry'; - function generateUVs() { + if ( Array.isArray( shapes ) === false ) shapes = [ shapes ]; - var vertex = new Vector3(); + this.addShapeList( shapes, options ); - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + this.computeFaceNormals(); - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; + } - var u = azimuth( vertex ) / 2 / Math.PI + 0.5; - var v = inclination( vertex ) / Math.PI + 0.5; - uvBuffer.push( u, 1 - v ); + ShapeGeometry.prototype = Object.create( Geometry.prototype ); + ShapeGeometry.prototype.constructor = ShapeGeometry; - } + /** + * Add an array of shapes to THREE.ShapeGeometry. + */ + ShapeGeometry.prototype.addShapeList = function ( shapes, options ) { - correctUVs(); + for ( var i = 0, l = shapes.length; i < l; i ++ ) { - correctSeam(); + this.addShape( shapes[ i ], options ); } - function correctSeam() { + return this; - // handle case when face straddles the seam, see #3269 + }; - for ( var i = 0; i < uvBuffer.length; i += 6 ) { + /** + * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry. + */ + ShapeGeometry.prototype.addShape = function ( shape, options ) { - // uv data of a single face + if ( options === undefined ) options = {}; + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; - var x0 = uvBuffer[ i + 0 ]; - var x1 = uvBuffer[ i + 2 ]; - var x2 = uvBuffer[ i + 4 ]; + var material = options.material; + var uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator; - var max = Math.max( x0, x1, x2 ); - var min = Math.min( x0, x1, x2 ); + // - // 0.9 is somewhat arbitrary + var i, l, hole; - if ( max > 0.9 && min < 0.1 ) { + var shapesOffset = this.vertices.length; + var shapePoints = shape.extractPoints( curveSegments ); - if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; - if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; - if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + var vertices = shapePoints.shape; + var holes = shapePoints.holes; - } + var reverse = ! ShapeUtils.isClockWise( vertices ); - } + if ( reverse ) { - } + vertices = vertices.reverse(); - function pushVertex( vertex ) { + // Maybe we should also check if holes are in the opposite direction, just to be safe... - vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + for ( i = 0, l = holes.length; i < l; i ++ ) { - } + hole = holes[ i ]; - function getVertexByIndex( index, vertex ) { + if ( ShapeUtils.isClockWise( hole ) ) { - var stride = index * 3; + holes[ i ] = hole.reverse(); - vertex.x = vertices[ stride + 0 ]; - vertex.y = vertices[ stride + 1 ]; - vertex.z = vertices[ stride + 2 ]; + } - } + } - function correctUVs() { + reverse = false; - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); + } - var centroid = new Vector3(); + var faces = ShapeUtils.triangulateShape( vertices, holes ); - var uvA = new Vector2(); - var uvB = new Vector2(); - var uvC = new Vector2(); + // Vertices - for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + for ( i = 0, l = holes.length; i < l; i ++ ) { - a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); - b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); - c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + hole = holes[ i ]; + vertices = vertices.concat( hole ); - uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); - uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); - uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + } - centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + // - var azi = azimuth( centroid ); + var vert, vlen = vertices.length; + var face, flen = faces.length; - correctUV( uvA, j + 0, a, azi ); - correctUV( uvB, j + 2, b, azi ); - correctUV( uvC, j + 4, c, azi ); + for ( i = 0; i < vlen; i ++ ) { - } + vert = vertices[ i ]; + + this.vertices.push( new Vector3( vert.x, vert.y, 0 ) ); } - function correctUV( uv, stride, vector, azimuth ) { + for ( i = 0; i < flen; i ++ ) { - if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + face = faces[ i ]; - uvBuffer[ stride ] = uv.x - 1; + var a = face[ 0 ] + shapesOffset; + var b = face[ 1 ] + shapesOffset; + var c = face[ 2 ] + shapesOffset; - } + this.faces.push( new Face3( a, b, c, null, null, material ) ); + this.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) ); - if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + } - uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + }; - } + /** + * @author WestLangley / http://github.com/WestLangley + */ - } + function EdgesGeometry( geometry, thresholdAngle ) { - // Angle around the Y axis, counter-clockwise when looking from above. + BufferGeometry.call( this ); - function azimuth( vector ) { + thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; - return Math.atan2( vector.z, - vector.x ); + var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); - } + var edge = [ 0, 0 ], hash = {}; + function sortFunction( a, b ) { - // Angle above the XZ plane. + return a - b; - function inclination( vector ) { + } - return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + var keys = [ 'a', 'b', 'c' ]; - } + var geometry2; - } + if ( (geometry && geometry.isBufferGeometry) ) { - PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; + geometry2 = new Geometry(); + geometry2.fromBufferGeometry( geometry ); - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } else { - function TetrahedronBufferGeometry( radius, detail ) { + geometry2 = geometry.clone(); - var vertices = [ - 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 - ]; + } - var indices = [ - 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 - ]; + geometry2.mergeVertices(); + geometry2.computeFaceNormals(); - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + var vertices = geometry2.vertices; + var faces = geometry2.faces; - this.type = 'TetrahedronBufferGeometry'; + for ( var i = 0, l = faces.length; i < l; i ++ ) { - this.parameters = { - radius: radius, - detail: detail - }; + var face = faces[ i ]; - } + for ( var j = 0; j < 3; j ++ ) { - TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); - /** - * @author timothypratley / https://github.com/timothypratley - */ + var key = edge.toString(); - function TetrahedronGeometry( radius, detail ) { + if ( hash[ key ] === undefined ) { - Geometry.call( this ); + hash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined }; - this.type = 'TetrahedronGeometry'; + } else { - this.parameters = { - radius: radius, - detail: detail - }; + hash[ key ].face2 = i; - this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + } - } + } - TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); - TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; + } - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + var coords = []; - function OctahedronBufferGeometry( radius,detail ) { + for ( var key in hash ) { - var vertices = [ - 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1 - ]; + var h = hash[ key ]; - var indices = [ - 0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2 - ]; + if ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) { - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + var vertex = vertices[ h.vert1 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); - this.type = 'OctahedronBufferGeometry'; + vertex = vertices[ h.vert2 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); - this.parameters = { - radius: radius, - detail: detail - }; + } + + } + + this.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) ); } - OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; + EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); + EdgesGeometry.prototype.constructor = EdgesGeometry; /** - * @author timothypratley / https://github.com/timothypratley + * @author Mugen87 / https://github.com/Mugen87 */ - function OctahedronGeometry( radius, detail ) { + function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - Geometry.call( this ); + BufferGeometry.call( this ); - this.type = 'OctahedronGeometry'; + this.type = 'CylinderBufferGeometry'; this.parameters = { - radius: radius, - detail: detail + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength }; - this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + var scope = this; - } + radiusTop = radiusTop !== undefined ? radiusTop : 20; + radiusBottom = radiusBottom !== undefined ? radiusBottom : 20; + height = height !== undefined ? height : 100; - OctahedronGeometry.prototype = Object.create( Geometry.prototype ); - OctahedronGeometry.prototype.constructor = OctahedronGeometry; + radialSegments = Math.floor( radialSegments ) || 8; + heightSegments = Math.floor( heightSegments ) || 1; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + openEnded = openEnded !== undefined ? openEnded : false; + thetaStart = thetaStart !== undefined ? thetaStart : 0.0; + thetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI; - function IcosahedronBufferGeometry( radius, detail ) { + // used to calculate buffer length - var t = ( 1 + Math.sqrt( 5 ) ) / 2; + var nbCap = 0; - var vertices = [ - - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, - 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, - t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 - ]; + if ( openEnded === false ) { - var indices = [ - 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, - 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, - 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, - 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 - ]; + if ( radiusTop > 0 ) nbCap ++; + if ( radiusBottom > 0 ) nbCap ++; - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + } - this.type = 'IcosahedronBufferGeometry'; + var vertexCount = calculateVertexCount(); + var indexCount = calculateIndexCount(); - this.parameters = { - radius: radius, - detail: detail - }; + // buffers - } + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; + // helper variables - /** - * @author timothypratley / https://github.com/timothypratley - */ + var index = 0, + indexOffset = 0, + indexArray = [], + halfHeight = height / 2; - function IcosahedronGeometry( radius, detail ) { + // group variables + var groupStart = 0; - Geometry.call( this ); + // generate geometry - this.type = 'IcosahedronGeometry'; + generateTorso(); - this.parameters = { - radius: radius, - detail: detail - }; + if ( openEnded === false ) { - this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); - } + } - IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); - IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; + // build geometry - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - function DodecahedronBufferGeometry( radius, detail ) { + // helper functions - var t = ( 1 + Math.sqrt( 5 ) ) / 2; - var r = 1 / t; + function calculateVertexCount() { - var vertices = [ + var count = ( radialSegments + 1 ) * ( heightSegments + 1 ); - // (±1, ±1, ±1) - - 1, - 1, - 1, - 1, - 1, 1, - - 1, 1, - 1, - 1, 1, 1, - 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, 1, 1, 1, + if ( openEnded === false ) { - // (0, ±1/φ, ±φ) - 0, - r, - t, 0, - r, t, - 0, r, - t, 0, r, t, + count += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap ); - // (±1/φ, ±φ, 0) - - r, - t, 0, - r, t, 0, - r, - t, 0, r, t, 0, + } - // (±φ, 0, ±1/φ) - - t, 0, - r, t, 0, - r, - - t, 0, r, t, 0, r - ]; + return count; - var indices = [ - 3, 11, 7, 3, 7, 15, 3, 15, 13, - 7, 19, 17, 7, 17, 6, 7, 6, 15, - 17, 4, 8, 17, 8, 10, 17, 10, 6, - 8, 0, 16, 8, 16, 2, 8, 2, 10, - 0, 12, 1, 0, 1, 18, 0, 18, 16, - 6, 10, 2, 6, 2, 13, 6, 13, 15, - 2, 16, 18, 2, 18, 3, 2, 3, 13, - 18, 1, 9, 18, 9, 11, 18, 11, 3, - 4, 14, 12, 4, 12, 0, 4, 0, 8, - 11, 9, 5, 11, 5, 19, 11, 19, 7, - 19, 5, 14, 19, 14, 4, 19, 4, 17, - 1, 12, 14, 1, 14, 5, 1, 5, 9 - ]; + } - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + function calculateIndexCount() { - this.type = 'DodecahedronBufferGeometry'; + var count = radialSegments * heightSegments * 2 * 3; - this.parameters = { - radius: radius, - detail: detail - }; + if ( openEnded === false ) { - } + count += radialSegments * nbCap * 3; - DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; + } - /** - * @author Abe Pazos / https://hamoid.com - */ + return count; - function DodecahedronGeometry( radius, detail ) { + } - Geometry.call( this ); + function generateTorso() { - this.type = 'DodecahedronGeometry'; + var x, y; + var normal = new Vector3(); + var vertex = new Vector3(); - this.parameters = { - radius: radius, - detail: detail - }; + var groupCount = 0; - this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + // this will be used to calculate the normal + var slope = ( radiusBottom - radiusTop ) / height; - } + // generate vertices, normals and uvs - DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); - DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; + for ( y = 0; y <= heightSegments; y ++ ) { - /** - * @author clockworkgeek / https://github.com/clockworkgeek - * @author timothypratley / https://github.com/timothypratley - * @author WestLangley / http://github.com/WestLangley - */ + var indexRow = []; - function PolyhedronGeometry( vertices, indices, radius, detail ) { + var v = y / heightSegments; - Geometry.call( this ); + // calculate the radius of the current row + var radius = v * ( radiusBottom - radiusTop ) + radiusTop; - this.type = 'PolyhedronGeometry'; + for ( x = 0; x <= radialSegments; x ++ ) { - this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail - }; + var u = x / radialSegments; - this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); - this.mergeVertices(); + var theta = u * thetaLength + thetaStart; - } + var sinTheta = Math.sin( theta ); + var cosTheta = Math.cos( theta ); - PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); - PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; + // vertex + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - /** - * @author Mugen87 / https://github.com/Mugen87 - * - * Creates a tube which extrudes along a 3d spline. - * - */ + // normal + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); - function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { + // uv + uvs.setXY( index, u, 1 - v ); - BufferGeometry.call( this ); + // save index of vertex in respective row + indexRow.push( index ); - this.type = 'TubeBufferGeometry'; + // increase index + index ++; - this.parameters = { - path: path, - tubularSegments: tubularSegments, - radius: radius, - radialSegments: radialSegments, - closed: closed - }; + } - tubularSegments = tubularSegments || 64; - radius = radius || 1; - radialSegments = radialSegments || 8; - closed = closed || false; + // now save vertices of the row in our index array + indexArray.push( indexRow ); - var frames = path.computeFrenetFrames( tubularSegments, closed ); + } - // expose internals + // generate indices - this.tangents = frames.tangents; - this.normals = frames.normals; - this.binormals = frames.binormals; + for ( x = 0; x < radialSegments; x ++ ) { - // helper variables + for ( y = 0; y < heightSegments; y ++ ) { - var vertex = new Vector3(); - var normal = new Vector3(); - var uv = new Vector2(); + // we use the index array to access the correct indices + var i1 = indexArray[ y ][ x ]; + var i2 = indexArray[ y + 1 ][ x ]; + var i3 = indexArray[ y + 1 ][ x + 1 ]; + var i4 = indexArray[ y ][ x + 1 ]; - var i, j; + // face one + indices.setX( indexOffset, i1 ); indexOffset ++; + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; - // buffer + // face two + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i3 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; - var vertices = []; - var normals = []; - var uvs = []; - var indices = []; + // update counters + groupCount += 6; - // create buffer data + } - generateBufferData(); + } - // build geometry + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, 0 ); - this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); - this.addAttribute( 'normal', Float32Attribute( normals, 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); + // calculate new start value for groups + groupStart += groupCount; - // functions + } - function generateBufferData() { + function generateCap( top ) { - for ( i = 0; i < tubularSegments; i ++ ) { + var x, centerIndexStart, centerIndexEnd; - generateSegment( i ); + var uv = new Vector2(); + var vertex = new Vector3(); - } + var groupCount = 0; - // if the geometry is not closed, generate the last row of vertices and normals - // at the regular position on the given path - // - // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + var radius = ( top === true ) ? radiusTop : radiusBottom; + var sign = ( top === true ) ? 1 : - 1; - generateSegment( ( closed === false ) ? tubularSegments : 0 ); + // save the index of the first center vertex + centerIndexStart = index; - // uvs are generated in a separate function. - // this makes it easy compute correct values for closed geometries + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment - generateUVs(); + for ( x = 1; x <= radialSegments; x ++ ) { - // finally create faces + // vertex + vertices.setXYZ( index, 0, halfHeight * sign, 0 ); - generateIndices(); + // normal + normals.setXYZ( index, 0, sign, 0 ); - } + // uv + uv.x = 0.5; + uv.y = 0.5; - function generateSegment( i ) { + uvs.setXY( index, uv.x, uv.y ); - // we use getPointAt to sample evenly distributed points from the given path + // increase index + index ++; - var P = path.getPointAt( i / tubularSegments ); + } - // retrieve corresponding normal and binormal + // save the index of the last center vertex + centerIndexEnd = index; - var N = frames.normals[ i ]; - var B = frames.binormals[ i ]; + // now we generate the surrounding vertices, normals and uvs - // generate normals and vertices for the current segment + for ( x = 0; x <= radialSegments; x ++ ) { - for ( j = 0; j <= radialSegments; j ++ ) { + var u = x / radialSegments; + var theta = u * thetaLength + thetaStart; - var v = j / radialSegments * Math.PI * 2; + var cosTheta = Math.cos( theta ); + var sinTheta = Math.sin( theta ); - var sin = Math.sin( v ); - var cos = - Math.cos( v ); + // vertex + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); // normal + normals.setXYZ( index, 0, sign, 0 ); - normal.x = ( cos * N.x + sin * B.x ); - normal.y = ( cos * N.y + sin * B.y ); - normal.z = ( cos * N.z + sin * B.z ); - normal.normalize(); - - normals.push( normal.x, normal.y, normal.z ); - - // vertex - - vertex.x = P.x + radius * normal.x; - vertex.y = P.y + radius * normal.y; - vertex.z = P.z + radius * normal.z; + // uv + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.setXY( index, uv.x, uv.y ); - vertices.push( vertex.x, vertex.y, vertex.z ); + // increase index + index ++; } - } + // generate indices - function generateIndices() { + for ( x = 0; x < radialSegments; x ++ ) { - for ( j = 1; j <= tubularSegments; j ++ ) { + var c = centerIndexStart + x; + var i = centerIndexEnd + x; - for ( i = 1; i <= radialSegments; i ++ ) { + if ( top === true ) { - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + // face top + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; - // faces + } else { - indices.push( a, b, d ); - indices.push( b, c, d ); + // face bottom + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; } + // update counters + groupCount += 3; + } + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + + // calculate new start value for groups + groupStart += groupCount; + } - function generateUVs() { + } - for ( i = 0; i <= tubularSegments; i ++ ) { + CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; - for ( j = 0; j <= radialSegments; j ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - uv.x = i / tubularSegments; - uv.y = j / radialSegments; + function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - uvs.push( uv.x, uv.y ); + Geometry.call( this ); - } + this.type = 'CylinderGeometry'; - } + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } + this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); + this.mergeVertices(); } - TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; + CylinderGeometry.prototype = Object.create( Geometry.prototype ); + CylinderGeometry.prototype.constructor = CylinderGeometry; /** - * @author oosmoxiecode / https://github.com/oosmoxiecode - * @author WestLangley / https://github.com/WestLangley - * @author zz85 / https://github.com/zz85 - * @author miningold / https://github.com/miningold - * @author jonobr1 / https://github.com/jonobr1 - * - * Creates a tube which extrudes along a 3d spline. + * @author abelnation / http://github.com/abelnation */ - function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { + function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - Geometry.call( this ); + CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - this.type = 'TubeGeometry'; + this.type = 'ConeGeometry'; this.parameters = { - path: path, - tubularSegments: tubularSegments, radius: radius, + height: height, radialSegments: radialSegments, - closed: closed + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength }; - if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); + } - var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); + ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); + ConeGeometry.prototype.constructor = ConeGeometry; - // expose internals + /** + * @author: abelnation / http://github.com/abelnation + */ - this.tangents = bufferGeometry.tangents; - this.normals = bufferGeometry.normals; - this.binormals = bufferGeometry.binormals; + function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - // create geometry + CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - this.fromBufferGeometry( bufferGeometry ); - this.mergeVertices(); + this.type = 'ConeBufferGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; } - TubeGeometry.prototype = Object.create( Geometry.prototype ); - TubeGeometry.prototype.constructor = TubeGeometry; + ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); + ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; /** - * @author Mugen87 / https://github.com/Mugen87 - * - * see: http://www.blackpawn.com/texts/pqtorus/ + * @author benaadams / https://twitter.com/ben_a_adams */ - function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { + + function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { BufferGeometry.call( this ); - this.type = 'TorusKnotBufferGeometry'; + this.type = 'CircleBufferGeometry'; this.parameters = { radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength }; - radius = radius || 100; - tube = tube || 40; - tubularSegments = Math.floor( tubularSegments ) || 64; - radialSegments = Math.floor( radialSegments ) || 8; - p = p || 2; - q = q || 3; + radius = radius || 50; + segments = segments !== undefined ? Math.max( 3, segments ) : 8; - // used to calculate buffer length - var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); - var indexCount = radialSegments * tubularSegments * 2 * 3; + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + var vertices = segments + 2; - // helper variables - var i, j, index = 0, indexOffset = 0; + var positions = new Float32Array( vertices * 3 ); + var normals = new Float32Array( vertices * 3 ); + var uvs = new Float32Array( vertices * 2 ); - var vertex = new Vector3(); - var normal = new Vector3(); - var uv = new Vector2(); + // center data is already zero, but need to set a few extras + normals[ 2 ] = 1.0; + uvs[ 0 ] = 0.5; + uvs[ 1 ] = 0.5; - var P1 = new Vector3(); - var P2 = new Vector3(); + for ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) { - var B = new Vector3(); - var T = new Vector3(); - var N = new Vector3(); + var segment = thetaStart + s / segments * thetaLength; - // generate vertices, normals and uvs + positions[ i ] = radius * Math.cos( segment ); + positions[ i + 1 ] = radius * Math.sin( segment ); - for ( i = 0; i <= tubularSegments; ++ i ) { + normals[ i + 2 ] = 1; // normal z - // the radian "u" is used to calculate the position on the torus curve of the current tubular segement + uvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2; + uvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2; - var u = i / tubularSegments * p * Math.PI * 2; + } - // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. - // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + var indices = []; - calculatePositionOnCurve( u, p, q, radius, P1 ); - calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + for ( var i = 1; i <= segments; i ++ ) { - // calculate orthonormal basis + indices.push( i, i + 1, 0 ); - T.subVectors( P2, P1 ); - N.addVectors( P2, P1 ); - B.crossVectors( T, N ); - N.crossVectors( B, T ); + } - // normalize B, N. T can be ignored, we don't use it + this.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - B.normalize(); - N.normalize(); + this.boundingSphere = new Sphere( new Vector3(), radius ); - for ( j = 0; j <= radialSegments; ++ j ) { + } - // now calculate the vertices. they are nothing more than an extrusion of the torus curve. - // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; - var v = j / radialSegments * Math.PI * 2; - var cx = - tube * Math.cos( v ); - var cy = tube * Math.sin( v ); + /** + * @author hughes + */ - // now calculate the final vertex position. - // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve + function CircleGeometry( radius, segments, thetaStart, thetaLength ) { - vertex.x = P1.x + ( cx * N.x + cy * B.x ); - vertex.y = P1.y + ( cx * N.y + cy * B.y ); - vertex.z = P1.z + ( cx * N.z + cy * B.z ); + Geometry.call( this ); - // vertex - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + this.type = 'CircleGeometry'; - // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) - normal.subVectors( vertex, P1 ).normalize(); - normals.setXYZ( index, normal.x, normal.y, normal.z ); + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - // uv - uv.x = i / tubularSegments; - uv.y = j / radialSegments; - uvs.setXY( index, uv.x, uv.y ); + this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); - // increase index - index ++; + } - } + CircleGeometry.prototype = Object.create( Geometry.prototype ); + CircleGeometry.prototype.constructor = CircleGeometry; - } + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as + */ - // generate indices + function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - for ( j = 1; j <= tubularSegments; j ++ ) { + Geometry.call( this ); - for ( i = 1; i <= radialSegments; i ++ ) { + this.type = 'BoxGeometry'; - // indices - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); + this.mergeVertices(); - // face two - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + } - } + BoxGeometry.prototype = Object.create( Geometry.prototype ); + BoxGeometry.prototype.constructor = BoxGeometry; - } - // build geometry - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + var Geometries = Object.freeze({ + WireframeGeometry: WireframeGeometry, + ParametricGeometry: ParametricGeometry, + ParametricBufferGeometry: ParametricBufferGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TetrahedronBufferGeometry: TetrahedronBufferGeometry, + OctahedronGeometry: OctahedronGeometry, + OctahedronBufferGeometry: OctahedronBufferGeometry, + IcosahedronGeometry: IcosahedronGeometry, + IcosahedronBufferGeometry: IcosahedronBufferGeometry, + DodecahedronGeometry: DodecahedronGeometry, + DodecahedronBufferGeometry: DodecahedronBufferGeometry, + PolyhedronGeometry: PolyhedronGeometry, + PolyhedronBufferGeometry: PolyhedronBufferGeometry, + TubeGeometry: TubeGeometry, + TubeBufferGeometry: TubeBufferGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TorusKnotBufferGeometry: TorusKnotBufferGeometry, + TorusGeometry: TorusGeometry, + TorusBufferGeometry: TorusBufferGeometry, + TextGeometry: TextGeometry, + SphereBufferGeometry: SphereBufferGeometry, + SphereGeometry: SphereGeometry, + RingGeometry: RingGeometry, + RingBufferGeometry: RingBufferGeometry, + PlaneBufferGeometry: PlaneBufferGeometry, + PlaneGeometry: PlaneGeometry, + LatheGeometry: LatheGeometry, + LatheBufferGeometry: LatheBufferGeometry, + ShapeGeometry: ShapeGeometry, + ExtrudeGeometry: ExtrudeGeometry, + EdgesGeometry: EdgesGeometry, + ConeGeometry: ConeGeometry, + ConeBufferGeometry: ConeBufferGeometry, + CylinderGeometry: CylinderGeometry, + CylinderBufferGeometry: CylinderBufferGeometry, + CircleBufferGeometry: CircleBufferGeometry, + CircleGeometry: CircleGeometry, + BoxBufferGeometry: BoxBufferGeometry, + BoxGeometry: BoxGeometry + }); - // this function calculates the current position on the torus curve + /** + * @author mrdoob / http://mrdoob.com/ + */ - function calculatePositionOnCurve( u, p, q, radius, position ) { + function ShadowMaterial() { - var cu = Math.cos( u ); - var su = Math.sin( u ); - var quOverP = q / p * u; - var cs = Math.cos( quOverP ); + ShaderMaterial.call( this, { + uniforms: UniformsUtils.merge( [ + UniformsLib[ "lights" ], + { + opacity: { value: 1.0 } + } + ] ), + vertexShader: ShaderChunk[ 'shadow_vert' ], + fragmentShader: ShaderChunk[ 'shadow_frag' ] + } ); - position.x = radius * ( 2 + cs ) * 0.5 * cu; - position.y = radius * ( 2 + cs ) * su * 0.5; - position.z = radius * Math.sin( quOverP ) * 0.5; + this.lights = true; + this.transparent = true; - } + Object.defineProperties( this, { + opacity: { + enumerable: true, + get: function () { + return this.uniforms.opacity.value; + }, + set: function ( value ) { + this.uniforms.opacity.value = value; + } + } + } ); } - TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; + ShadowMaterial.prototype = Object.create( ShaderMaterial.prototype ); + ShadowMaterial.prototype.constructor = ShadowMaterial; + + ShadowMaterial.prototype.isShadowMaterial = true; /** - * @author oosmoxiecode + * @author mrdoob / http://mrdoob.com/ */ - function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { - - Geometry.call( this ); - - this.type = 'TorusKnotGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q - }; + function RawShaderMaterial( parameters ) { - if( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); + ShaderMaterial.call( this, parameters ); - this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); - this.mergeVertices(); + this.type = 'RawShaderMaterial'; } - TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); - TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; + RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); + RawShaderMaterial.prototype.constructor = RawShaderMaterial; + + RawShaderMaterial.prototype.isRawShaderMaterial = true; /** - * @author Mugen87 / https://github.com/Mugen87 + * @author mrdoob / http://mrdoob.com/ */ - function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + function MultiMaterial( materials ) { - BufferGeometry.call( this ); + this.uuid = _Math.generateUUID(); - this.type = 'TorusBufferGeometry'; + this.type = 'MultiMaterial'; - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; + this.materials = materials instanceof Array ? materials : []; - radius = radius || 100; - tube = tube || 40; - radialSegments = Math.floor( radialSegments ) || 8; - tubularSegments = Math.floor( tubularSegments ) || 6; - arc = arc || Math.PI * 2; + this.visible = true; - // used to calculate buffer length - var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); - var indexCount = radialSegments * tubularSegments * 2 * 3; + } - // buffers - var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); - var vertices = new Float32Array( vertexCount * 3 ); - var normals = new Float32Array( vertexCount * 3 ); - var uvs = new Float32Array( vertexCount * 2 ); + MultiMaterial.prototype = { - // offset variables - var vertexBufferOffset = 0; - var uvBufferOffset = 0; - var indexBufferOffset = 0; + constructor: MultiMaterial, - // helper variables - var center = new Vector3(); - var vertex = new Vector3(); - var normal = new Vector3(); + isMultiMaterial: true, - var j, i; + toJSON: function ( meta ) { - // generate vertices, normals and uvs + var output = { + metadata: { + version: 4.2, + type: 'material', + generator: 'MaterialExporter' + }, + uuid: this.uuid, + type: this.type, + materials: [] + }; - for ( j = 0; j <= radialSegments; j ++ ) { + var materials = this.materials; - for ( i = 0; i <= tubularSegments; i ++ ) { + for ( var i = 0, l = materials.length; i < l; i ++ ) { - var u = i / tubularSegments * arc; - var v = j / radialSegments * Math.PI * 2; + var material = materials[ i ].toJSON( meta ); + delete material.metadata; - // vertex - vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); - vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); - vertex.z = tube * Math.sin( v ); + output.materials.push( material ); - vertices[ vertexBufferOffset ] = vertex.x; - vertices[ vertexBufferOffset + 1 ] = vertex.y; - vertices[ vertexBufferOffset + 2 ] = vertex.z; + } - // this vector is used to calculate the normal - center.x = radius * Math.cos( u ); - center.y = radius * Math.sin( u ); + output.visible = this.visible; - // normal - normal.subVectors( vertex, center ).normalize(); + return output; - normals[ vertexBufferOffset ] = normal.x; - normals[ vertexBufferOffset + 1 ] = normal.y; - normals[ vertexBufferOffset + 2 ] = normal.z; + }, - // uv - uvs[ uvBufferOffset ] = i / tubularSegments; - uvs[ uvBufferOffset + 1 ] = j / radialSegments; + clone: function () { - // update offsets - vertexBufferOffset += 3; - uvBufferOffset += 2; + var material = new this.constructor(); - } + for ( var i = 0; i < this.materials.length; i ++ ) { - } + material.materials.push( this.materials[ i ].clone() ); - // generate indices + } - for ( j = 1; j <= radialSegments; j ++ ) { + material.visible = this.visible; - for ( i = 1; i <= tubularSegments; i ++ ) { + return material; - // indices - var a = ( tubularSegments + 1 ) * j + i - 1; - var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; - var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; - var d = ( tubularSegments + 1 ) * j + i; + } - // face one - indices[ indexBufferOffset ] = a; - indices[ indexBufferOffset + 1 ] = b; - indices[ indexBufferOffset + 2 ] = d; + }; - // face two - indices[ indexBufferOffset + 3 ] = b; - indices[ indexBufferOffset + 4 ] = c; - indices[ indexBufferOffset + 5 ] = d; + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * roughness: , + * metalness: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * roughnessMap: new THREE.Texture( ), + * + * metalnessMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * envMapIntensity: + * + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - // update offset - indexBufferOffset += 6; + function MeshStandardMaterial( parameters ) { - } + Material.call( this ); - } + this.defines = { 'STANDARD': '' }; - // build geometry - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + this.type = 'MeshStandardMaterial'; - } + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 0.5; + this.metalness = 0.5; - TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + this.map = null; - /** - * @author oosmoxiecode - * @author mrdoob / http://mrdoob.com/ - * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 - */ + this.lightMap = null; + this.lightMapIntensity = 1.0; - function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + this.aoMap = null; + this.aoMapIntensity = 1.0; - Geometry.call( this ); + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; - this.type = 'TorusGeometry'; + this.bumpMap = null; + this.bumpScale = 1; - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); - this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - } + this.roughnessMap = null; - TorusGeometry.prototype = Object.create( Geometry.prototype ); - TorusGeometry.prototype.constructor = TorusGeometry; + this.metalnessMap = null; - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - */ + this.alphaMap = null; - var ShapeUtils = { + this.envMap = null; + this.envMapIntensity = 1.0; - // calculate area of the contour polygon + this.refractionRatio = 0.98; - area: function ( contour ) { + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - var n = contour.length; - var a = 0.0; + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - for ( var p = n - 1, q = 0; q < n; p = q ++ ) { + this.setValues( parameters ); - a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + } - } + MeshStandardMaterial.prototype = Object.create( Material.prototype ); + MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; - return a * 0.5; + MeshStandardMaterial.prototype.isMeshStandardMaterial = true; - }, + MeshStandardMaterial.prototype.copy = function ( source ) { - triangulate: ( function () { + Material.prototype.copy.call( this, source ); - /** - * This code is a quick port of code written in C++ which was submitted to - * flipcode.com by John W. Ratcliff // July 22, 2000 - * See original code and more information here: - * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml - * - * ported to actionscript by Zevan Rosser - * www.actionsnippet.com - * - * ported to javascript by Joshua Koo - * http://www.lab4games.net/zz85/blog - * - */ + this.defines = { 'STANDARD': '' }; - function snip( contour, u, v, w, n, verts ) { + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; - var p; - var ax, ay, bx, by; - var cx, cy, px, py; + this.map = source.map; - ax = contour[ verts[ u ] ].x; - ay = contour[ verts[ u ] ].y; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - bx = contour[ verts[ v ] ].x; - by = contour[ verts[ v ] ].y; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - cx = contour[ verts[ w ] ].x; - cy = contour[ verts[ w ] ].y; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - if ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; - var aX, aY, bX, bY, cX, cY; - var apx, apy, bpx, bpy, cpx, cpy; - var cCROSSap, bCROSScp, aCROSSbp; + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); - aX = cx - bx; aY = cy - by; - bX = ax - cx; bY = ay - cy; - cX = bx - ax; cY = by - ay; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - for ( p = 0; p < n; p ++ ) { + this.roughnessMap = source.roughnessMap; - px = contour[ verts[ p ] ].x; - py = contour[ verts[ p ] ].y; + this.metalnessMap = source.metalnessMap; - if ( ( ( px === ax ) && ( py === ay ) ) || - ( ( px === bx ) && ( py === by ) ) || - ( ( px === cx ) && ( py === cy ) ) ) continue; + this.alphaMap = source.alphaMap; - apx = px - ax; apy = py - ay; - bpx = px - bx; bpy = py - by; - cpx = px - cx; cpy = py - cy; + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; - // see if p is inside triangle abc + this.refractionRatio = source.refractionRatio; - aCROSSbp = aX * bpy - aY * bpx; - cCROSSap = cX * apy - cY * apx; - bCROSScp = bX * cpy - bY * cpx; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false; + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - } + return this; - return true; + }; - } + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * reflectivity: + * } + */ - // takes in an contour array and returns + function MeshPhysicalMaterial( parameters ) { - return function triangulate( contour, indices ) { + MeshStandardMaterial.call( this ); - var n = contour.length; + this.defines = { 'PHYSICAL': '' }; - if ( n < 3 ) return null; + this.type = 'MeshPhysicalMaterial'; - var result = [], - verts = [], - vertIndices = []; + this.reflectivity = 0.5; // maps to F0 = 0.04 - /* we want a counter-clockwise polygon in verts */ + this.clearCoat = 0.0; + this.clearCoatRoughness = 0.0; - var u, v, w; + this.setValues( parameters ); - if ( ShapeUtils.area( contour ) > 0.0 ) { + } - for ( v = 0; v < n; v ++ ) verts[ v ] = v; + MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); + MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; - } else { + MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; - for ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v; + MeshPhysicalMaterial.prototype.copy = function ( source ) { - } + MeshStandardMaterial.prototype.copy.call( this, source ); - var nv = n; + this.defines = { 'PHYSICAL': '' }; - /* remove nv - 2 vertices, creating 1 triangle every time */ + this.reflectivity = source.reflectivity; - var count = 2 * nv; /* error detection */ + this.clearCoat = source.clearCoat; + this.clearCoatRoughness = source.clearCoatRoughness; - for ( v = nv - 1; nv > 2; ) { + return this; - /* if we loop, it is probably a non-simple polygon */ + }; - if ( ( count -- ) <= 0 ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * specular: , + * shininess: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - //** Triangulate: ERROR - probable bad polygon! + function MeshPhongMaterial( parameters ) { - //throw ( "Warning, unable to triangulate polygon!" ); - //return null; - // Sometimes warning is fine, especially polygons are triangulated in reverse. - console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' ); + Material.call( this ); - if ( indices ) return vertIndices; - return result; + this.type = 'MeshPhongMaterial'; - } + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; - /* three consecutive vertices in current polygon, */ + this.map = null; - u = v; if ( nv <= u ) u = 0; /* previous */ - v = u + 1; if ( nv <= v ) v = 0; /* new v */ - w = v + 1; if ( nv <= w ) w = 0; /* next */ + this.lightMap = null; + this.lightMapIntensity = 1.0; - if ( snip( contour, u, v, w, nv, verts ) ) { + this.aoMap = null; + this.aoMapIntensity = 1.0; - var a, b, c, s, t; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; - /* true names of the vertices */ + this.bumpMap = null; + this.bumpScale = 1; - a = verts[ u ]; - b = verts[ v ]; - c = verts[ w ]; + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); - /* output Triangle */ + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - result.push( [ contour[ a ], - contour[ b ], - contour[ c ] ] ); + this.specularMap = null; + this.alphaMap = null; - vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] ); + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - /* remove v from the remaining polygon */ + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - for ( s = v, t = v + 1; t < nv; s ++, t ++ ) { + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - verts[ s ] = verts[ t ]; + this.setValues( parameters ); - } + } - nv --; + MeshPhongMaterial.prototype = Object.create( Material.prototype ); + MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; - /* reset error detection counter */ + MeshPhongMaterial.prototype.isMeshPhongMaterial = true; - count = 2 * nv; + MeshPhongMaterial.prototype.copy = function ( source ) { - } + Material.prototype.copy.call( this, source ); - } + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; - if ( indices ) return vertIndices; - return result; + this.map = source.map; - } + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - } )(), + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - triangulateShape: function ( contour, holes ) { + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - function removeDupEndPts(points) { + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; - var l = points.length; + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); - if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - points.pop(); + this.specularMap = source.specularMap; - } + this.alphaMap = source.alphaMap; - } + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - removeDupEndPts( contour ); - holes.forEach( removeDupEndPts ); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - function point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) { + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - // inOtherPt needs to be collinear to the inSegment - if ( inSegPt1.x !== inSegPt2.x ) { + return this; - if ( inSegPt1.x < inSegPt2.x ) { + }; - return ( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) ); + /** + * @author mrdoob / http://mrdoob.com/ + * + * parameters = { + * opacity: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ - } else { + function MeshNormalMaterial( parameters ) { - return ( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) ); + Material.call( this, parameters ); - } + this.type = 'MeshNormalMaterial'; - } else { + this.wireframe = false; + this.wireframeLinewidth = 1; - if ( inSegPt1.y < inSegPt2.y ) { + this.fog = false; + this.lights = false; + this.morphTargets = false; - return ( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) ); + this.setValues( parameters ); - } else { + } - return ( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) ); + MeshNormalMaterial.prototype = Object.create( Material.prototype ); + MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; - } + MeshNormalMaterial.prototype.isMeshNormalMaterial = true; - } + MeshNormalMaterial.prototype.copy = function ( source ) { - } + Material.prototype.copy.call( this, source ); - function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) { + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y; - var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y; + return this; - var seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x; - var seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y; + }; - var limit = seg1dy * seg2dx - seg1dx * seg2dy; - var perpSeg1 = seg1dy * seg1seg2dx - seg1dx * seg1seg2dy; + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - if ( Math.abs( limit ) > Number.EPSILON ) { + function MeshLambertMaterial( parameters ) { - // not parallel + Material.call( this ); - var perpSeg2; - if ( limit > 0 ) { + this.type = 'MeshLambertMaterial'; - if ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) return []; - perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; - if ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) return []; + this.color = new Color( 0xffffff ); // diffuse - } else { + this.map = null; - if ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) return []; - perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; - if ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) return []; + this.lightMap = null; + this.lightMapIntensity = 1.0; - } + this.aoMap = null; + this.aoMapIntensity = 1.0; - // i.e. to reduce rounding errors - // intersection at endpoint of segment#1? - if ( perpSeg2 === 0 ) { + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; - if ( ( inExcludeAdjacentSegs ) && - ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; - return [ inSeg1Pt1 ]; + this.specularMap = null; - } - if ( perpSeg2 === limit ) { + this.alphaMap = null; - if ( ( inExcludeAdjacentSegs ) && - ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; - return [ inSeg1Pt2 ]; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - } - // intersection at endpoint of segment#2? - if ( perpSeg1 === 0 ) return [ inSeg2Pt1 ]; - if ( perpSeg1 === limit ) return [ inSeg2Pt2 ]; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - // return real intersection point - var factorSeg1 = perpSeg2 / limit; - return [ { x: inSeg1Pt1.x + factorSeg1 * seg1dx, - y: inSeg1Pt1.y + factorSeg1 * seg1dy } ]; + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - } else { + this.setValues( parameters ); - // parallel or collinear - if ( ( perpSeg1 !== 0 ) || - ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) return []; + } - // they are collinear or degenerate - var seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) ); // segment1 is just a point? - var seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) ); // segment2 is just a point? - // both segments are points - if ( seg1Pt && seg2Pt ) { + MeshLambertMaterial.prototype = Object.create( Material.prototype ); + MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; - if ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) || - ( inSeg1Pt1.y !== inSeg2Pt1.y ) ) return []; // they are distinct points - return [ inSeg1Pt1 ]; // they are the same point + MeshLambertMaterial.prototype.isMeshLambertMaterial = true; - } - // segment#1 is a single point - if ( seg1Pt ) { + MeshLambertMaterial.prototype.copy = function ( source ) { - if ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) ) return []; // but not in segment#2 - return [ inSeg1Pt1 ]; + Material.prototype.copy.call( this, source ); - } - // segment#2 is a single point - if ( seg2Pt ) { + this.color.copy( source.color ); - if ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) ) return []; // but not in segment#1 - return [ inSeg2Pt1 ]; + this.map = source.map; - } + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - // they are collinear segments, which might overlap - var seg1min, seg1max, seg1minVal, seg1maxVal; - var seg2min, seg2max, seg2minVal, seg2maxVal; - if ( seg1dx !== 0 ) { + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - // the segments are NOT on a vertical line - if ( inSeg1Pt1.x < inSeg1Pt2.x ) { + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x; - seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x; + this.specularMap = source.specularMap; - } else { + this.alphaMap = source.alphaMap; - seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x; - seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x; + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - } - if ( inSeg2Pt1.x < inSeg2Pt2.x ) { + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x; - seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x; + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - } else { + return this; - seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x; - seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x; + }; - } - - } else { - - // the segments are on a vertical line - if ( inSeg1Pt1.y < inSeg1Pt2.y ) { + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * + * scale: , + * dashSize: , + * gapSize: + * } + */ - seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y; - seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y; + function LineDashedMaterial( parameters ) { - } else { + Material.call( this ); - seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y; - seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y; + this.type = 'LineDashedMaterial'; - } - if ( inSeg2Pt1.y < inSeg2Pt2.y ) { + this.color = new Color( 0xffffff ); - seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y; - seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y; + this.linewidth = 1; - } else { + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; - seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y; - seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y; + this.lights = false; - } + this.setValues( parameters ); - } - if ( seg1minVal <= seg2minVal ) { + } - if ( seg1maxVal < seg2minVal ) return []; - if ( seg1maxVal === seg2minVal ) { + LineDashedMaterial.prototype = Object.create( Material.prototype ); + LineDashedMaterial.prototype.constructor = LineDashedMaterial; - if ( inExcludeAdjacentSegs ) return []; - return [ seg2min ]; + LineDashedMaterial.prototype.isLineDashedMaterial = true; - } - if ( seg1maxVal <= seg2maxVal ) return [ seg2min, seg1max ]; - return [ seg2min, seg2max ]; + LineDashedMaterial.prototype.copy = function ( source ) { - } else { + Material.prototype.copy.call( this, source ); - if ( seg1minVal > seg2maxVal ) return []; - if ( seg1minVal === seg2maxVal ) { + this.color.copy( source.color ); - if ( inExcludeAdjacentSegs ) return []; - return [ seg1min ]; + this.linewidth = source.linewidth; - } - if ( seg1maxVal <= seg2maxVal ) return [ seg1min, seg1max ]; - return [ seg1min, seg2max ]; + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; - } + return this; - } + }; - } - function isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) { - // The order of legs is important + var Materials = Object.freeze({ + ShadowMaterial: ShadowMaterial, + SpriteMaterial: SpriteMaterial, + RawShaderMaterial: RawShaderMaterial, + ShaderMaterial: ShaderMaterial, + PointsMaterial: PointsMaterial, + MultiMaterial: MultiMaterial, + MeshPhysicalMaterial: MeshPhysicalMaterial, + MeshStandardMaterial: MeshStandardMaterial, + MeshPhongMaterial: MeshPhongMaterial, + MeshNormalMaterial: MeshNormalMaterial, + MeshLambertMaterial: MeshLambertMaterial, + MeshDepthMaterial: MeshDepthMaterial, + MeshBasicMaterial: MeshBasicMaterial, + LineDashedMaterial: LineDashedMaterial, + LineBasicMaterial: LineBasicMaterial, + Material: Material + }); - // translation of all points, so that Vertex is at (0,0) - var legFromPtX = inLegFromPt.x - inVertex.x, legFromPtY = inLegFromPt.y - inVertex.y; - var legToPtX = inLegToPt.x - inVertex.x, legToPtY = inLegToPt.y - inVertex.y; - var otherPtX = inOtherPt.x - inVertex.x, otherPtY = inOtherPt.y - inVertex.y; + /** + * @author mrdoob / http://mrdoob.com/ + */ - // main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg. - var from2toAngle = legFromPtX * legToPtY - legFromPtY * legToPtX; - var from2otherAngle = legFromPtX * otherPtY - legFromPtY * otherPtX; + var Cache = { - if ( Math.abs( from2toAngle ) > Number.EPSILON ) { + enabled: false, - // angle != 180 deg. + files: {}, - var other2toAngle = otherPtX * legToPtY - otherPtY * legToPtX; - // console.log( "from2to: " + from2toAngle + ", from2other: " + from2otherAngle + ", other2to: " + other2toAngle ); + add: function ( key, file ) { - if ( from2toAngle > 0 ) { + if ( this.enabled === false ) return; - // main angle < 180 deg. - return ( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) ); + // console.log( 'THREE.Cache', 'Adding key:', key ); - } else { + this.files[ key ] = file; - // main angle > 180 deg. - return ( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) ); + }, - } + get: function ( key ) { - } else { + if ( this.enabled === false ) return; - // angle == 180 deg. - // console.log( "from2to: 180 deg., from2other: " + from2otherAngle ); - return ( from2otherAngle > 0 ); + // console.log( 'THREE.Cache', 'Checking key:', key ); - } + return this.files[ key ]; - } + }, + remove: function ( key ) { - function removeHoles( contour, holes ) { + delete this.files[ key ]; - var shape = contour.concat(); // work on this shape - var hole; + }, - function isCutLineInsideAngles( inShapeIdx, inHoleIdx ) { + clear: function () { - // Check if hole point lies within angle around shape point - var lastShapeIdx = shape.length - 1; + this.files = {}; - var prevShapeIdx = inShapeIdx - 1; - if ( prevShapeIdx < 0 ) prevShapeIdx = lastShapeIdx; + } - var nextShapeIdx = inShapeIdx + 1; - if ( nextShapeIdx > lastShapeIdx ) nextShapeIdx = 0; + }; - var insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] ); - if ( ! insideAngle ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - // console.log( "Vertex (Shape): " + inShapeIdx + ", Point: " + hole[inHoleIdx].x + "/" + hole[inHoleIdx].y ); - return false; + function LoadingManager( onLoad, onProgress, onError ) { - } + var scope = this; - // Check if shape point lies within angle around hole point - var lastHoleIdx = hole.length - 1; + var isLoading = false, itemsLoaded = 0, itemsTotal = 0; - var prevHoleIdx = inHoleIdx - 1; - if ( prevHoleIdx < 0 ) prevHoleIdx = lastHoleIdx; + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; - var nextHoleIdx = inHoleIdx + 1; - if ( nextHoleIdx > lastHoleIdx ) nextHoleIdx = 0; + this.itemStart = function ( url ) { - insideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] ); - if ( ! insideAngle ) { + itemsTotal ++; - // console.log( "Vertex (Hole): " + inHoleIdx + ", Point: " + shape[inShapeIdx].x + "/" + shape[inShapeIdx].y ); - return false; + if ( isLoading === false ) { - } + if ( scope.onStart !== undefined ) { - return true; + scope.onStart( url, itemsLoaded, itemsTotal ); } - function intersectsShapeEdge( inShapePt, inHolePt ) { - - // checks for intersections with shape edges - var sIdx, nextIdx, intersection; - for ( sIdx = 0; sIdx < shape.length; sIdx ++ ) { + } - nextIdx = sIdx + 1; nextIdx %= shape.length; - intersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true ); - if ( intersection.length > 0 ) return true; + isLoading = true; - } + }; - return false; + this.itemEnd = function ( url ) { - } + itemsLoaded ++; - var indepHoles = []; + if ( scope.onProgress !== undefined ) { - function intersectsHoleEdge( inShapePt, inHolePt ) { + scope.onProgress( url, itemsLoaded, itemsTotal ); - // checks for intersections with hole edges - var ihIdx, chkHole, - hIdx, nextIdx, intersection; - for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) { + } - chkHole = holes[ indepHoles[ ihIdx ]]; - for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) { + if ( itemsLoaded === itemsTotal ) { - nextIdx = hIdx + 1; nextIdx %= chkHole.length; - intersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true ); - if ( intersection.length > 0 ) return true; + isLoading = false; - } + if ( scope.onLoad !== undefined ) { - } - return false; + scope.onLoad(); } - var holeIndex, shapeIndex, - shapePt, holePt, - holeIdx, cutKey, failedCuts = [], - tmpShape1, tmpShape2, - tmpHole1, tmpHole2; - - for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + } - indepHoles.push( h ); + }; - } + this.itemError = function ( url ) { - var minShapeIndex = 0; - var counter = indepHoles.length * 2; - while ( indepHoles.length > 0 ) { + if ( scope.onError !== undefined ) { - counter --; - if ( counter < 0 ) { + scope.onError( url ); - console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" ); - break; + } - } + }; - // search for shape-vertex and hole-vertex, - // which can be connected without intersections - for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) { + } - shapePt = shape[ shapeIndex ]; - holeIndex = - 1; + var DefaultLoadingManager = new LoadingManager(); - // search for hole which can be reached without intersections - for ( var h = 0; h < indepHoles.length; h ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - holeIdx = indepHoles[ h ]; + function XHRLoader( manager ) { - // prevent multiple checks - cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx; - if ( failedCuts[ cutKey ] !== undefined ) continue; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - hole = holes[ holeIdx ]; - for ( var h2 = 0; h2 < hole.length; h2 ++ ) { + } - holePt = hole[ h2 ]; - if ( ! isCutLineInsideAngles( shapeIndex, h2 ) ) continue; - if ( intersectsShapeEdge( shapePt, holePt ) ) continue; - if ( intersectsHoleEdge( shapePt, holePt ) ) continue; + Object.assign( XHRLoader.prototype, { - holeIndex = h2; - indepHoles.splice( h, 1 ); + load: function ( url, onLoad, onProgress, onError ) { - tmpShape1 = shape.slice( 0, shapeIndex + 1 ); - tmpShape2 = shape.slice( shapeIndex ); - tmpHole1 = hole.slice( holeIndex ); - tmpHole2 = hole.slice( 0, holeIndex + 1 ); + if ( url === undefined ) url = ''; - shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 ); + if ( this.path !== undefined ) url = this.path + url; - minShapeIndex = shapeIndex; + var scope = this; - // Debug only, to show the selected cuts - // glob_CutLines.push( [ shapePt, holePt ] ); + var cached = Cache.get( url ); - break; + if ( cached !== undefined ) { - } - if ( holeIndex >= 0 ) break; // hole-vertex found + scope.manager.itemStart( url ); - failedCuts[ cutKey ] = true; // remember failure + setTimeout( function () { - } - if ( holeIndex >= 0 ) break; // hole-vertex found + if ( onLoad ) onLoad( cached ); - } + scope.manager.itemEnd( url ); - } + }, 0 ); - return shape; /* shape with no holes */ + return cached; } + // Check for data: URI + var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; + var dataUriRegexResult = url.match( dataUriRegex ); - var i, il, f, face, - key, index, - allPointsMap = {}; - - // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first. + // Safari can not handle Data URIs through XMLHttpRequest so process manually + if ( dataUriRegexResult ) { - var allpoints = contour.concat(); + var mimeType = dataUriRegexResult[1]; + var isBase64 = !!dataUriRegexResult[2]; + var data = dataUriRegexResult[3]; - for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + data = window.decodeURIComponent(data); - Array.prototype.push.apply( allpoints, holes[ h ] ); + if( isBase64 ) { + data = window.atob(data); + } - } + try { - //console.log( "allpoints",allpoints, allpoints.length ); + var response; + var responseType = ( this.responseType || '' ).toLowerCase(); - // prepare all points map + switch ( responseType ) { - for ( i = 0, il = allpoints.length; i < il; i ++ ) { + case 'arraybuffer': + case 'blob': - key = allpoints[ i ].x + ":" + allpoints[ i ].y; + response = new ArrayBuffer( data.length ); + var view = new Uint8Array( response ); + for ( var i = 0; i < data.length; i ++ ) { - if ( allPointsMap[ key ] !== undefined ) { + view[ i ] = data.charCodeAt( i ); - console.warn( "THREE.ShapeUtils: Duplicate point", key, i ); + } - } + if ( responseType === 'blob' ) { - allPointsMap[ key ] = i; + response = new Blob( [ response ], { "type" : mimeType } ); - } + } - // remove holes by cutting paths to holes and adding them to the shape - var shapeWithoutHoles = removeHoles( contour, holes ); + break; - var triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape - //console.log( "triangles",triangles, triangles.length ); + case 'document': - // check all face vertices against all points map + var parser = new DOMParser(); + response = parser.parseFromString( data, mimeType ); - for ( i = 0, il = triangles.length; i < il; i ++ ) { + break; - face = triangles[ i ]; + case 'json': - for ( f = 0; f < 3; f ++ ) { + response = JSON.parse( data ); - key = face[ f ].x + ":" + face[ f ].y; + break; - index = allPointsMap[ key ]; + default: // 'text' or other - if ( index !== undefined ) { + response = data; - face[ f ] = index; + break; } - } + // Wait for next browser tick + window.setTimeout( function() { - } + if ( onLoad ) onLoad( response ); - return triangles.concat(); + scope.manager.itemEnd( url ); - }, + }, 0); - isClockWise: function ( pts ) { + } catch ( error ) { - return ShapeUtils.area( pts ) < 0; + // Wait for next browser tick + window.setTimeout( function() { - }, + if ( onError ) onError( error ); - // Bezier Curves formulas obtained from - // http://en.wikipedia.org/wiki/B%C3%A9zier_curve + scope.manager.itemError( url ); - // Quad Bezier Functions + }, 0); - b2: ( function () { + } - function b2p0( t, p ) { + } else { - var k = 1 - t; - return k * k * p; + var request = new XMLHttpRequest(); + request.open( 'GET', url, true ); - } + request.addEventListener( 'load', function ( event ) { - function b2p1( t, p ) { + var response = event.target.response; - return 2 * ( 1 - t ) * t * p; + Cache.add( url, response ); - } + if ( this.status === 200 ) { - function b2p2( t, p ) { + if ( onLoad ) onLoad( response ); - return t * t * p; + scope.manager.itemEnd( url ); - } + } else if ( this.status === 0 ) { - return function b2( t, p0, p1, p2 ) { + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. - return b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 ); + console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' ); - }; + if ( onLoad ) onLoad( response ); - } )(), + scope.manager.itemEnd( url ); - // Cubic Bezier Functions + } else { - b3: ( function () { + if ( onError ) onError( event ); - function b3p0( t, p ) { + scope.manager.itemError( url ); - var k = 1 - t; - return k * k * k * p; + } - } + }, false ); - function b3p1( t, p ) { + if ( onProgress !== undefined ) { - var k = 1 - t; - return 3 * k * k * t * p; + request.addEventListener( 'progress', function ( event ) { - } + onProgress( event ); - function b3p2( t, p ) { + }, false ); - var k = 1 - t; - return 3 * k * t * t * p; + } - } + request.addEventListener( 'error', function ( event ) { - function b3p3( t, p ) { + if ( onError ) onError( event ); - return t * t * t * p; + scope.manager.itemError( url ); - } + }, false ); - return function b3( t, p0, p1, p2, p3 ) { + if ( this.responseType !== undefined ) request.responseType = this.responseType; + if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; - return b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 ); + if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' ); - }; + request.send( null ); - } )() + } - }; + scope.manager.itemStart( url ); - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - * Creates extruded geometry from a path shape. - * - * parameters = { - * - * curveSegments: , // number of points on the curves - * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too - * amount: , // Depth to extrude the shape - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into the original shape bevel goes - * bevelSize: , // how far from shape outline is bevel - * bevelSegments: , // number of bevel layers - * - * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined) - * frames: // containing arrays of tangents, normals, binormals - * - * uvGenerator: // object that provides UV generator functions - * - * } - **/ + return request; - function ExtrudeGeometry( shapes, options ) { + }, - if ( typeof( shapes ) === "undefined" ) { + setPath: function ( value ) { - shapes = []; - return; + this.path = value; + return this; - } + }, - Geometry.call( this ); + setResponseType: function ( value ) { - this.type = 'ExtrudeGeometry'; + this.responseType = value; + return this; - shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + }, - this.addShapeList( shapes, options ); + setWithCredentials: function ( value ) { - this.computeFaceNormals(); + this.withCredentials = value; + return this; - // can't really use automatic vertex normals - // as then front and back sides get smoothed too - // should do separate smoothing just for sides + } - //this.computeVertexNormals(); + } ); - //console.log( "took", ( Date.now() - startTime ) ); + /** + * @author mrdoob / http://mrdoob.com/ + * + * Abstract Base class to block based textures loader (dds, pvr, ...) + */ - } + function CompressedTextureLoader( manager ) { - ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); - ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - ExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) { + // override in sub classes + this._parser = null; - var sl = shapes.length; + } - for ( var s = 0; s < sl; s ++ ) { + Object.assign( CompressedTextureLoader.prototype, { - var shape = shapes[ s ]; - this.addShape( shape, options ); + load: function ( url, onLoad, onProgress, onError ) { - } + var scope = this; - }; + var images = []; - ExtrudeGeometry.prototype.addShape = function ( shape, options ) { + var texture = new CompressedTexture(); + texture.image = images; - var amount = options.amount !== undefined ? options.amount : 100; + var loader = new XHRLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); - var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10 - var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8 - var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + function loadTexture( i ) { - var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false + loader.load( url[ i ], function ( buffer ) { - var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + var texDatas = scope._parser( buffer, true ); - var steps = options.steps !== undefined ? options.steps : 1; + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; - var extrudePath = options.extrudePath; - var extrudePts, extrudeByPath = false; + loaded += 1; - // Use default WorldUVGenerator if no UV generators are specified. - var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator; + if ( loaded === 6 ) { - var splineTube, binormal, normal, position2; - if ( extrudePath ) { + if ( texDatas.mipmapCount === 1 ) + texture.minFilter = LinearFilter; - extrudePts = extrudePath.getSpacedPoints( steps ); + texture.format = texDatas.format; + texture.needsUpdate = true; - extrudeByPath = true; - bevelEnabled = false; // bevels not supported for path extrusion + if ( onLoad ) onLoad( texture ); - // SETUP TNB variables + } - // TODO1 - have a .isClosed in spline? + }, onProgress, onError ); - splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false ); + } - // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + if ( Array.isArray( url ) ) { - binormal = new Vector3(); - normal = new Vector3(); - position2 = new Vector3(); + var loaded = 0; - } + for ( var i = 0, il = url.length; i < il; ++ i ) { - // Safeguards if bevels are not enabled + loadTexture( i ); - if ( ! bevelEnabled ) { + } - bevelSegments = 0; - bevelThickness = 0; - bevelSize = 0; + } else { - } + // compressed cubemap texture stored in a single DDS file - // Variables initialization + loader.load( url, function ( buffer ) { - var ahole, h, hl; // looping of holes - var scope = this; + var texDatas = scope._parser( buffer, true ); - var shapesOffset = this.vertices.length; + if ( texDatas.isCubemap ) { - var shapePoints = shape.extractPoints( curveSegments ); + var faces = texDatas.mipmaps.length / texDatas.mipmapCount; - var vertices = shapePoints.shape; - var holes = shapePoints.holes; + for ( var f = 0; f < faces; f ++ ) { - var reverse = ! ShapeUtils.isClockWise( vertices ); + images[ f ] = { mipmaps : [] }; - if ( reverse ) { + for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { - vertices = vertices.reverse(); + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; - // Maybe we should also check if holes are in the opposite direction, just to be safe ... + } - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + } - ahole = holes[ h ]; + } else { - if ( ShapeUtils.isClockWise( ahole ) ) { + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; - holes[ h ] = ahole.reverse(); + } - } + if ( texDatas.mipmapCount === 1 ) { - } + texture.minFilter = LinearFilter; - reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)! + } - } + texture.format = texDatas.format; + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture ); - var faces = ShapeUtils.triangulateShape( vertices, holes ); + }, onProgress, onError ); - /* Vertices */ + } - var contour = vertices; // vertices has all points but contour has only points of circumference + return texture; - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + }, - ahole = holes[ h ]; + setPath: function ( value ) { - vertices = vertices.concat( ahole ); + this.path = value; + return this; } + } ); - function scalePt2( pt, vec, size ) { - - if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); - - return vec.clone().multiplyScalar( size ).add( pt ); + /** + * @author Nikos M. / https://github.com/foo123/ + * + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + */ - } + var DataTextureLoader = BinaryTextureLoader; + function BinaryTextureLoader( manager ) { - var b, bs, t, z, - vert, vlen = vertices.length, - face, flen = faces.length; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + // override in sub classes + this._parser = null; - // Find directions for point movement + } + Object.assign( BinaryTextureLoader.prototype, { - function getBevelVec( inPt, inPrev, inNext ) { + load: function ( url, onLoad, onProgress, onError ) { - // computes for inPt the corresponding point inPt' on a new contour - // shifted by 1 unit (length of normalized vector) to the left - // if we walk along contour clockwise, this new contour is outside the old one - // - // inPt' is the intersection of the two lines parallel to the two - // adjacent edges of inPt at a distance of 1 unit on the left side. + var scope = this; - var v_trans_x, v_trans_y, shrink_by = 1; // resulting translation vector for inPt + var texture = new DataTexture(); - // good reading for geometry algorithms (here: line-line intersection) - // http://geomalgorithms.com/a05-_intersect-1.html + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); - var v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; - var v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; + loader.load( url, function ( buffer ) { - var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + var texData = scope._parser( buffer ); - // check for collinear edges - var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + if ( ! texData ) return; - if ( Math.abs( collinear0 ) > Number.EPSILON ) { + if ( undefined !== texData.image ) { - // not collinear + texture.image = texData.image; - // length of vectors for normalizing + } else if ( undefined !== texData.data ) { - var v_prev_len = Math.sqrt( v_prev_lensq ); - var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; - // shift adjacent points by unit vectors to the left + } - var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); - var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping; - var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); - var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter; + texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter; - // scaling factor for v_prev to intersection point + texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1; - var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - - ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / - ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + if ( undefined !== texData.format ) { - // vector from inPt to intersection point + texture.format = texData.format; - v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); - v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + } + if ( undefined !== texData.type ) { - // Don't normalize!, otherwise sharp corners become ugly - // but prevent crazy spikes - var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); - if ( v_trans_lensq <= 2 ) { + texture.type = texData.type; - return new Vector2( v_trans_x, v_trans_y ); + } - } else { + if ( undefined !== texData.mipmaps ) { - shrink_by = Math.sqrt( v_trans_lensq / 2 ); + texture.mipmaps = texData.mipmaps; } - } else { + if ( 1 === texData.mipmapCount ) { - // handle special case of collinear edges + texture.minFilter = LinearFilter; - var direction_eq = false; // assumes: opposite - if ( v_prev_x > Number.EPSILON ) { + } - if ( v_next_x > Number.EPSILON ) { + texture.needsUpdate = true; - direction_eq = true; + if ( onLoad ) onLoad( texture, texData ); - } + }, onProgress, onError ); - } else { - if ( v_prev_x < - Number.EPSILON ) { + return texture; - if ( v_next_x < - Number.EPSILON ) { + } - direction_eq = true; + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } else { + function ImageLoader( manager ) { - if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - direction_eq = true; + } - } + Object.assign( ImageLoader.prototype, { - } + load: function ( url, onLoad, onProgress, onError ) { - } + var scope = this; - if ( direction_eq ) { + var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); + image.onload = function () { - // console.log("Warning: lines are a straight sequence"); - v_trans_x = - v_prev_y; - v_trans_y = v_prev_x; - shrink_by = Math.sqrt( v_prev_lensq ); + image.onload = null; - } else { + URL.revokeObjectURL( image.src ); - // console.log("Warning: lines are a straight spike"); - v_trans_x = v_prev_x; - v_trans_y = v_prev_y; - shrink_by = Math.sqrt( v_prev_lensq / 2 ); + if ( onLoad ) onLoad( image ); - } + scope.manager.itemEnd( url ); - } + }; + image.onerror = onError; - return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + if ( url.indexOf( 'data:' ) === 0 ) { - } + image.src = url; + } else { - var contourMovements = []; + var loader = new XHRLoader(); + loader.setPath( this.path ); + loader.setResponseType( 'blob' ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( blob ) { - for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + image.src = URL.createObjectURL( blob ); - if ( j === il ) j = 0; - if ( k === il ) k = 0; + }, onProgress, onError ); - // (j)---(i)---(k) - // console.log('i,j,k', i, j , k) + } - contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + scope.manager.itemStart( url ); - } + return image; - var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat(); + }, - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + setCrossOrigin: function ( value ) { - ahole = holes[ h ]; + this.crossOrigin = value; + return this; - oneHoleMovements = []; + }, - for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + setWithCredentials: function ( value ) { - if ( j === il ) j = 0; - if ( k === il ) k = 0; + this.withCredentials = value; + return this; - // (j)---(i)---(k) - oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + }, - } + setPath: function ( value ) { - holesMovements.push( oneHoleMovements ); - verticesMovements = verticesMovements.concat( oneHoleMovements ); + this.path = value; + return this; } + } ); - // Loop bevelSegments, 1 for the front, 1 for the back - - for ( b = 0; b < bevelSegments; b ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - //for ( b = bevelSegments; b > 0; b -- ) { + function CubeTextureLoader( manager ) { - t = b / bevelSegments; - z = bevelThickness * Math.cos( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ); + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - // contract shape + } - for ( i = 0, il = contour.length; i < il; i ++ ) { + Object.assign( CubeTextureLoader.prototype, { - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + load: function ( urls, onLoad, onProgress, onError ) { - v( vert.x, vert.y, - z ); + var texture = new CubeTexture(); - } + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); - // expand holes + var loaded = 0; - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + function loadTexture( i ) { - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; + loader.load( urls[ i ], function ( image ) { - for ( i = 0, il = ahole.length; i < il; i ++ ) { + texture.images[ i ] = image; - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + loaded ++; - v( vert.x, vert.y, - z ); + if ( loaded === 6 ) { - } + texture.needsUpdate = true; - } + if ( onLoad ) onLoad( texture ); - } + } - bs = bevelSize; + }, undefined, onError ); - // Back facing vertices + } - for ( i = 0; i < vlen; i ++ ) { + for ( var i = 0; i < urls.length; ++ i ) { - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + loadTexture( i ); - if ( ! extrudeByPath ) { + } - v( vert.x, vert.y, 0 ); + return texture; - } else { + }, - // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + setCrossOrigin: function ( value ) { - normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + this.crossOrigin = value; + return this; - position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + }, - v( position2.x, position2.y, position2.z ); + setPath: function ( value ) { - } + this.path = value; + return this; } - // Add stepped vertices... - // Including front facing vertices + } ); - var s; + /** + * @author mrdoob / http://mrdoob.com/ + */ - for ( s = 1; s <= steps; s ++ ) { + function TextureLoader( manager ) { - for ( i = 0; i < vlen; i ++ ) { + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + } - if ( ! extrudeByPath ) { + Object.assign( TextureLoader.prototype, { - v( vert.x, vert.y, amount / steps * s ); + load: function ( url, onLoad, onProgress, onError ) { - } else { + var texture = new Texture(); - // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setWithCredentials( this.withCredentials ); + loader.setPath( this.path ); + loader.load( url, function ( image ) { - normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. + var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; - position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + texture.format = isJPEG ? RGBFormat : RGBAFormat; + texture.image = image; + texture.needsUpdate = true; - v( position2.x, position2.y, position2.z ); + if ( onLoad !== undefined ) { - } + onLoad( texture ); - } + } - } + }, onProgress, onError ); + return texture; - // Add bevel segments planes + }, - //for ( b = 1; b <= bevelSegments; b ++ ) { - for ( b = bevelSegments - 1; b >= 0; b -- ) { + setCrossOrigin: function ( value ) { - t = b / bevelSegments; - z = bevelThickness * Math.cos ( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ); + this.crossOrigin = value; + return this; - // contract shape + }, - for ( i = 0, il = contour.length; i < il; i ++ ) { + setWithCredentials: function ( value ) { - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - v( vert.x, vert.y, amount + z ); + this.withCredentials = value; + return this; - } + }, - // expand holes + setPath: function ( value ) { - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + this.path = value; + return this; - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; + } - for ( i = 0, il = ahole.length; i < il; i ++ ) { - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - if ( ! extrudeByPath ) { + } ); - v( vert.x, vert.y, amount + z ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - } else { + function Light( color, intensity ) { - v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + Object3D.call( this ); - } + this.type = 'Light'; - } + this.color = new Color( color ); + this.intensity = intensity !== undefined ? intensity : 1; - } + this.receiveShadow = undefined; - } + } - /* Faces */ + Light.prototype = Object.assign( Object.create( Object3D.prototype ), { - // Top and bottom faces + constructor: Light, - buildLidFaces(); + isLight: true, - // Sides faces + copy: function ( source ) { - buildSideFaces(); + Object3D.prototype.copy.call( this, source ); + this.color.copy( source.color ); + this.intensity = source.intensity; - ///// Internal functions + return this; - function buildLidFaces() { + }, - if ( bevelEnabled ) { + toJSON: function ( meta ) { - var layer = 0; // steps + 1 - var offset = vlen * layer; + var data = Object3D.prototype.toJSON.call( this, meta ); - // Bottom faces + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; - for ( i = 0; i < flen; i ++ ) { + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); - face = faces[ i ]; - f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; - } + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); - layer = steps + bevelSegments * 2; - offset = vlen * layer; + return data; - // Top faces + } - for ( i = 0; i < flen; i ++ ) { + } ); - face = faces[ i ]; - f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + /** + * @author alteredq / http://alteredqualia.com/ + */ - } + function HemisphereLight( skyColor, groundColor, intensity ) { - } else { + Light.call( this, skyColor, intensity ); - // Bottom faces + this.type = 'HemisphereLight'; - for ( i = 0; i < flen; i ++ ) { + this.castShadow = undefined; - face = faces[ i ]; - f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - } + this.groundColor = new Color( groundColor ); - // Top faces + } - for ( i = 0; i < flen; i ++ ) { + HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { - face = faces[ i ]; - f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + constructor: HemisphereLight, - } + isHemisphereLight: true, - } + copy: function ( source ) { - } + Light.prototype.copy.call( this, source ); - // Create faces for the z-sides of the shape + this.groundColor.copy( source.groundColor ); - function buildSideFaces() { + return this; - var layeroffset = 0; - sidewalls( contour, layeroffset ); - layeroffset += contour.length; + } - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + } ); - ahole = holes[ h ]; - sidewalls( ahole, layeroffset ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - //, true - layeroffset += ahole.length; + function LightShadow( camera ) { - } + this.camera = camera; - } + this.bias = 0; + this.radius = 1; - function sidewalls( contour, layeroffset ) { + this.mapSize = new Vector2( 512, 512 ); - var j, k; - i = contour.length; + this.map = null; + this.matrix = new Matrix4(); - while ( -- i >= 0 ) { + } - j = i; - k = i - 1; - if ( k < 0 ) k = contour.length - 1; + Object.assign( LightShadow.prototype, { - //console.log('b', i,j, i-1, k,vertices.length); + copy: function ( source ) { - var s = 0, sl = steps + bevelSegments * 2; + this.camera = source.camera.clone(); - for ( s = 0; s < sl; s ++ ) { + this.bias = source.bias; + this.radius = source.radius; - var slen1 = vlen * s; - var slen2 = vlen * ( s + 1 ); + this.mapSize.copy( source.mapSize ); - var a = layeroffset + j + slen1, - b = layeroffset + k + slen1, - c = layeroffset + k + slen2, - d = layeroffset + j + slen2; + return this; - f4( a, b, c, d, contour, s, sl, j, k ); + }, - } + clone: function () { - } + return new this.constructor().copy( this ); - } + }, + toJSON: function () { - function v( x, y, z ) { + var object = {}; - scope.vertices.push( new Vector3( x, y, z ) ); + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + + return object; } - function f3( a, b, c ) { + } ); - a += shapesOffset; - b += shapesOffset; - c += shapesOffset; + /** + * @author mrdoob / http://mrdoob.com/ + */ - scope.faces.push( new Face3( a, b, c, null, null, 0 ) ); + function SpotLightShadow() { - var uvs = uvgen.generateTopUV( scope, a, b, c ); + LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); - scope.faceVertexUvs[ 0 ].push( uvs ); + } - } + SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - function f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) { + constructor: SpotLightShadow, - a += shapesOffset; - b += shapesOffset; - c += shapesOffset; - d += shapesOffset; + isSpotLightShadow: true, - scope.faces.push( new Face3( a, b, d, null, null, 1 ) ); - scope.faces.push( new Face3( b, c, d, null, null, 1 ) ); + update: function ( light ) { - var uvs = uvgen.generateSideWallUV( scope, a, b, c, d ); + var fov = _Math.RAD2DEG * 2 * light.angle; + var aspect = this.mapSize.width / this.mapSize.height; + var far = light.distance || 500; - scope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] ); - scope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] ); + var camera = this.camera; - } + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { - }; + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); - ExtrudeGeometry.WorldUVGenerator = { + } - generateTopUV: function ( geometry, indexA, indexB, indexC ) { + } - var vertices = geometry.vertices; + } ); - var a = vertices[ indexA ]; - var b = vertices[ indexB ]; - var c = vertices[ indexC ]; + /** + * @author alteredq / http://alteredqualia.com/ + */ - return [ - new Vector2( a.x, a.y ), - new Vector2( b.x, b.y ), - new Vector2( c.x, c.y ) - ]; + function SpotLight( color, intensity, distance, angle, penumbra, decay ) { - }, + Light.call( this, color, intensity ); - generateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) { + this.type = 'SpotLight'; - var vertices = geometry.vertices; + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - var a = vertices[ indexA ]; - var b = vertices[ indexB ]; - var c = vertices[ indexC ]; - var d = vertices[ indexD ]; + this.target = new Object3D(); - if ( Math.abs( a.y - b.y ) < 0.01 ) { + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * Math.PI; + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / Math.PI; + } + } ); - return [ - new Vector2( a.x, 1 - a.z ), - new Vector2( b.x, 1 - b.z ), - new Vector2( c.x, 1 - c.z ), - new Vector2( d.x, 1 - d.z ) - ]; + this.distance = ( distance !== undefined ) ? distance : 0; + this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; + this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - } else { + this.shadow = new SpotLightShadow(); - return [ - new Vector2( a.y, 1 - a.z ), - new Vector2( b.y, 1 - b.z ), - new Vector2( c.y, 1 - c.z ), - new Vector2( d.y, 1 - d.z ) - ]; + } - } + SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { - } - }; + constructor: SpotLight, - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author alteredq / http://alteredqualia.com/ - * - * Text = 3D Text - * - * parameters = { - * font: , // font - * - * size: , // size of the text - * height: , // thickness to extrude text - * curveSegments: , // number of points on the curves - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into text bevel goes - * bevelSize: // how far from text outline is bevel - * } - */ + isSpotLight: true, - function TextGeometry( text, parameters ) { + copy: function ( source ) { - parameters = parameters || {}; + Light.prototype.copy.call( this, source ); - var font = parameters.font; + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; - if ( (font && font.isFont) === false ) { + this.target = source.target.clone(); - console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); - return new Geometry(); + this.shadow = source.shadow.clone(); + + return this; } - var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments ); + } ); - // translate parameters to ExtrudeGeometry API + /** + * @author mrdoob / http://mrdoob.com/ + */ - parameters.amount = parameters.height !== undefined ? parameters.height : 50; - // defaults + function PointLight( color, intensity, distance, decay ) { - if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; - if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; - if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; + Light.call( this, color, intensity ); - ExtrudeGeometry.call( this, shapes, parameters ); + this.type = 'PointLight'; - this.type = 'TextGeometry'; + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * 4 * Math.PI; - } + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / ( 4 * Math.PI ); + } + } ); - TextGeometry.prototype = Object.create( ExtrudeGeometry.prototype ); - TextGeometry.prototype.constructor = TextGeometry; + this.distance = ( distance !== undefined ) ? distance : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - /** - * @author benaadams / https://twitter.com/ben_a_adams - * based on THREE.SphereGeometry - */ + this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); - function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + } - BufferGeometry.call( this ); + PointLight.prototype = Object.assign( Object.create( Light.prototype ), { - this.type = 'SphereBufferGeometry'; + constructor: PointLight, - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + isPointLight: true, - radius = radius || 50; + copy: function ( source ) { - widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); - heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); + Light.prototype.copy.call( this, source ); - phiStart = phiStart !== undefined ? phiStart : 0; - phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; + this.distance = source.distance; + this.decay = source.decay; - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; + this.shadow = source.shadow.clone(); - var thetaEnd = thetaStart + thetaLength; + return this; - var vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) ); + } - var positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + } ); - var index = 0, vertices = [], normal = new Vector3(); + /** + * @author mrdoob / http://mrdoob.com/ + */ - for ( var y = 0; y <= heightSegments; y ++ ) { + function DirectionalLightShadow( light ) { - var verticesRow = []; + LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); - var v = y / heightSegments; + } - for ( var x = 0; x <= widthSegments; x ++ ) { + DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - var u = x / widthSegments; + constructor: DirectionalLightShadow - var px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - var py = radius * Math.cos( thetaStart + v * thetaLength ); - var pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + } ); - normal.set( px, py, pz ).normalize(); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - positions.setXYZ( index, px, py, pz ); - normals.setXYZ( index, normal.x, normal.y, normal.z ); - uvs.setXY( index, u, 1 - v ); + function DirectionalLight( color, intensity ) { - verticesRow.push( index ); + Light.call( this, color, intensity ); - index ++; + this.type = 'DirectionalLight'; - } + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - vertices.push( verticesRow ); + this.target = new Object3D(); - } + this.shadow = new DirectionalLightShadow(); - var indices = []; + } - for ( var y = 0; y < heightSegments; y ++ ) { + DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { - for ( var x = 0; x < widthSegments; x ++ ) { + constructor: DirectionalLight, - var v1 = vertices[ y ][ x + 1 ]; - var v2 = vertices[ y ][ x ]; - var v3 = vertices[ y + 1 ][ x ]; - var v4 = vertices[ y + 1 ][ x + 1 ]; + isDirectionalLight: true, - if ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 ); - if ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 ); + copy: function ( source ) { - } + Light.prototype.copy.call( this, source ); - } + this.target = source.target.clone(); - this.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', positions ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + this.shadow = source.shadow.clone(); - this.boundingSphere = new Sphere( new Vector3(), radius ); + return this; - } + } - SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; + } ); /** * @author mrdoob / http://mrdoob.com/ */ - function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - - Geometry.call( this ); + function AmbientLight( color, intensity ) { - this.type = 'SphereGeometry'; + Light.call( this, color, intensity ); - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + this.type = 'AmbientLight'; - this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); + this.castShadow = undefined; } - SphereGeometry.prototype = Object.create( Geometry.prototype ); - SphereGeometry.prototype.constructor = SphereGeometry; + AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { + + constructor: AmbientLight, + + isAmbientLight: true, + + } ); /** - * @author Mugen87 / https://github.com/Mugen87 + * @author tschw + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ */ - function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + var AnimationUtils = { - BufferGeometry.call( this ); + // same as Array.prototype.slice, but also works on typed arrays + arraySlice: function( array, from, to ) { - this.type = 'RingBufferGeometry'; + if ( AnimationUtils.isTypedArray( array ) ) { - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + return new array.constructor( array.subarray( from, to ) ); - innerRadius = innerRadius || 20; - outerRadius = outerRadius || 50; + } - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + return array.slice( from, to ); - thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; - phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; + }, - // these are used to calculate buffer length - var vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 ); - var indexCount = thetaSegments * phiSegments * 2 * 3; + // converts an array to a specific type + convertArray: function( array, type, forceClone ) { - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; - // some helper variables - var index = 0, indexOffset = 0, segment; - var radius = innerRadius; - var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); - var vertex = new Vector3(); - var uv = new Vector2(); - var j, i; + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { - // generate vertices, normals and uvs + return new type( array ); // create typed array - // values are generate from the inside of the ring to the outside + } - for ( j = 0; j <= phiSegments; j ++ ) { + return Array.prototype.slice.call( array ); // create Array - for ( i = 0; i <= thetaSegments; i ++ ) { + }, - segment = thetaStart + i / thetaSegments * thetaLength; + isTypedArray: function( object ) { - // vertex - vertex.x = radius * Math.cos( segment ); - vertex.y = radius * Math.sin( segment ); - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); - // normal - normals.setXYZ( index, 0, 0, 1 ); + }, - // uv - uv.x = ( vertex.x / outerRadius + 1 ) / 2; - uv.y = ( vertex.y / outerRadius + 1 ) / 2; - uvs.setXY( index, uv.x, uv.y ); + // returns an array by which times and values can be sorted + getKeyframeOrder: function( times ) { - // increase index - index++; + function compareTime( i, j ) { + + return times[ i ] - times[ j ]; } - // increase the radius for next row of vertices - radius += radiusStep; + var n = times.length; + var result = new Array( n ); + for ( var i = 0; i !== n; ++ i ) result[ i ] = i; - } + result.sort( compareTime ); - // generate indices + return result; - for ( j = 0; j < phiSegments; j ++ ) { + }, - var thetaSegmentLevel = j * ( thetaSegments + 1 ); + // uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray: function( values, stride, order ) { - for ( i = 0; i < thetaSegments; i ++ ) { + var nValues = values.length; + var result = new values.constructor( nValues ); - segment = i + thetaSegmentLevel; + for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { - // indices - var a = segment; - var b = segment + thetaSegments + 1; - var c = segment + thetaSegments + 2; - var d = segment + 1; + var srcOffset = order[ i ] * stride; - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; + for ( var j = 0; j !== stride; ++ j ) { - // face two - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + result[ dstOffset ++ ] = values[ srcOffset + j ]; - } + } - } + } - // build geometry + return result; - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + }, - } + // function for parsing AOS keyframe formats + flattenJSON: function( jsonKeys, times, values, valuePropertyName ) { - RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - RingBufferGeometry.prototype.constructor = RingBufferGeometry; + var i = 1, key = jsonKeys[ 0 ]; - /** - * @author Kaleb Murphy - */ + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { - function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + key = jsonKeys[ i ++ ]; - Geometry.call( this ); + } - this.type = 'RingGeometry'; + if ( key === undefined ) return; // no data - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + var value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data - this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); + if ( Array.isArray( value ) ) { - } + do { - RingGeometry.prototype = Object.create( Geometry.prototype ); - RingGeometry.prototype.constructor = RingGeometry; + value = key[ valuePropertyName ]; - /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as - */ + if ( value !== undefined ) { - function PlaneGeometry( width, height, widthSegments, heightSegments ) { + times.push( key.time ); + values.push.apply( values, value ); // push all elements - Geometry.call( this ); + } - this.type = 'PlaneGeometry'; + key = jsonKeys[ i ++ ]; - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; + } while ( key !== undefined ); - this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); + } else if ( value.toArray !== undefined ) { + // ...assume THREE.Math-ish - } + do { - PlaneGeometry.prototype = Object.create( Geometry.prototype ); - PlaneGeometry.prototype.constructor = PlaneGeometry; + value = key[ valuePropertyName ]; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + if ( value !== undefined ) { - // points - to create a closed torus, one must use a set of points - // like so: [ a, b, c, d, a ], see first is the same as last. - // segments - the number of circumference segments to create - // phiStart - the starting radian - // phiLength - the radian (0 to 2PI) range of the lathed section - // 2PI is a closed lathe, less than 2PI is a portion. + times.push( key.time ); + value.toArray( values, values.length ); - function LatheBufferGeometry( points, segments, phiStart, phiLength ) { + } - BufferGeometry.call( this ); + key = jsonKeys[ i ++ ]; - this.type = 'LatheBufferGeometry'; + } while ( key !== undefined ); - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; + } else { + // otherwise push as-is - segments = Math.floor( segments ) || 12; - phiStart = phiStart || 0; - phiLength = phiLength || Math.PI * 2; + do { - // clamp phiLength so it's in range of [ 0, 2PI ] - phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); + value = key[ valuePropertyName ]; - // these are used to calculate buffer length - var vertexCount = ( segments + 1 ) * points.length; - var indexCount = segments * points.length * 2 * 3; + if ( value !== undefined ) { - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + times.push( key.time ); + values.push( value ); - // helper variables - var index = 0, indexOffset = 0, base; - var inverseSegments = 1.0 / segments; - var vertex = new Vector3(); - var uv = new Vector2(); - var i, j; + } - // generate vertices and uvs + key = jsonKeys[ i ++ ]; - for ( i = 0; i <= segments; i ++ ) { + } while ( key !== undefined ); - var phi = phiStart + i * inverseSegments * phiLength; + } - var sin = Math.sin( phi ); - var cos = Math.cos( phi ); + } - for ( j = 0; j <= ( points.length - 1 ); j ++ ) { + }; - // vertex - vertex.x = points[ j ].x * sin; - vertex.y = points[ j ].y; - vertex.z = points[ j ].x * cos; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + /** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + * @author tschw + */ - // uv - uv.x = i / segments; - uv.y = j / ( points.length - 1 ); - uvs.setXY( index, uv.x, uv.y ); + function Interpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - // increase index - index ++; + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; - } + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; - } + } - // generate indices + Interpolant.prototype = { - for ( i = 0; i < segments; i ++ ) { + constructor: Interpolant, - for ( j = 0; j < ( points.length - 1 ); j ++ ) { + evaluate: function( t ) { - base = j + i * points.length; + var pp = this.parameterPositions, + i1 = this._cachedIndex, - // indices - var a = base; - var b = base + points.length; - var c = base + points.length + 1; - var d = base + 1; + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + validate_interval: { - // face two - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + seek: { - } + var right; - } + linear_scan: { + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { - // build geometry + for ( var giveUpAt = i1 + 2; ;) { - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'uv', uvs ); + if ( t1 === undefined ) { - // generate normals + if ( t < t0 ) break forward_scan; - this.computeVertexNormals(); + // after end - // if the geometry is closed, we need to average the normals along the seam. - // because the corresponding vertices are identical (but still have different UVs). + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t, t0 ); - if( phiLength === Math.PI * 2 ) { + } - var normals = this.attributes.normal.array; - var n1 = new Vector3(); - var n2 = new Vector3(); - var n = new Vector3(); + if ( i1 === giveUpAt ) break; // this loop - // this is the buffer offset for the last line of vertices - base = segments * points.length * 3; + t0 = t1; + t1 = pp[ ++ i1 ]; - for( i = 0, j = 0; i < points.length; i ++, j += 3 ) { + if ( t < t1 ) { - // select the normal of the vertex in the first line - n1.x = normals[ j + 0 ]; - n1.y = normals[ j + 1 ]; - n1.z = normals[ j + 2 ]; + // we have arrived at the sought interval + break seek; - // select the normal of the vertex in the last line - n2.x = normals[ base + j + 0 ]; - n2.y = normals[ base + j + 1 ]; - n2.z = normals[ base + j + 2 ]; + } - // average normals - n.addVectors( n1, n2 ).normalize(); + } - // assign the new values to both normals - normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; - normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; - normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; - } // next row + } - } + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { - } + // looping? - LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; + var t1global = pp[ 1 ]; - /** - * @author astrodud / http://astrodud.isgreat.org/ - * @author zz85 / https://github.com/zz85 - * @author bhouston / http://clara.io - */ + if ( t < t1global ) { - // points - to create a closed torus, one must use a set of points - // like so: [ a, b, c, d, a ], see first is the same as last. - // segments - the number of circumference segments to create - // phiStart - the starting radian - // phiLength - the radian (0 to 2PI) range of the lathed section - // 2PI is a closed lathe, less than 2PI is a portion. + i1 = 2; // + 1, using the scan for the details + t0 = t1global; - function LatheGeometry( points, segments, phiStart, phiLength ) { + } - Geometry.call( this ); + // linear reverse scan - this.type = 'LatheGeometry'; + for ( var giveUpAt = i1 - 2; ;) { - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; + if ( t0 === undefined ) { - this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); - this.mergeVertices(); + // before start - } + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); - LatheGeometry.prototype = Object.create( Geometry.prototype ); - LatheGeometry.prototype.constructor = LatheGeometry; + } - /** - * @author jonobr1 / http://jonobr1.com - * - * Creates a one-sided polygonal geometry from a path shape. Similar to - * ExtrudeGeometry. - * - * parameters = { - * - * curveSegments: , // number of points on the curves. NOT USED AT THE MOMENT. - * - * material: // material index for front and back faces - * uvGenerator: // object that provides UV generator functions - * - * } - **/ + if ( i1 === giveUpAt ) break; // this loop - function ShapeGeometry( shapes, options ) { + t1 = t0; + t0 = pp[ -- i1 - 1 ]; - Geometry.call( this ); + if ( t >= t0 ) { - this.type = 'ShapeGeometry'; + // we have arrived at the sought interval + break seek; - if ( Array.isArray( shapes ) === false ) shapes = [ shapes ]; + } - this.addShapeList( shapes, options ); + } - this.computeFaceNormals(); + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; - } + } - ShapeGeometry.prototype = Object.create( Geometry.prototype ); - ShapeGeometry.prototype.constructor = ShapeGeometry; + // the interval is valid - /** - * Add an array of shapes to THREE.ShapeGeometry. - */ - ShapeGeometry.prototype.addShapeList = function ( shapes, options ) { + break validate_interval; - for ( var i = 0, l = shapes.length; i < l; i ++ ) { + } // linear scan - this.addShape( shapes[ i ], options ); + // binary search - } + while ( i1 < right ) { - return this; + var mid = ( i1 + right ) >>> 1; - }; + if ( t < pp[ mid ] ) { - /** - * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry. - */ - ShapeGeometry.prototype.addShape = function ( shape, options ) { + right = mid; - if ( options === undefined ) options = {}; - var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + } else { - var material = options.material; - var uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator; + i1 = mid + 1; - // + } - var i, l, hole; + } - var shapesOffset = this.vertices.length; - var shapePoints = shape.extractPoints( curveSegments ); + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; - var vertices = shapePoints.shape; - var holes = shapePoints.holes; + // check boundary cases, again - var reverse = ! ShapeUtils.isClockWise( vertices ); + if ( t0 === undefined ) { - if ( reverse ) { + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); - vertices = vertices.reverse(); + } - // Maybe we should also check if holes are in the opposite direction, just to be safe... + if ( t1 === undefined ) { - for ( i = 0, l = holes.length; i < l; i ++ ) { + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t0, t ); - hole = holes[ i ]; + } - if ( ShapeUtils.isClockWise( hole ) ) { + } // seek - holes[ i ] = hole.reverse(); + this._cachedIndex = i1; - } + this.intervalChanged_( i1, t0, t1 ); - } + } // validate_interval - reverse = false; + return this.interpolate_( i1, t0, t, t1 ); - } + }, - var faces = ShapeUtils.triangulateShape( vertices, holes ); + settings: null, // optional, subclass-specific settings structure + // Note: The indirection allows central control of many interpolants. - // Vertices + // --- Protected interface - for ( i = 0, l = holes.length; i < l; i ++ ) { + DefaultSettings_: {}, - hole = holes[ i ]; - vertices = vertices.concat( hole ); + getSettings_: function() { - } + return this.settings || this.DefaultSettings_; - // + }, - var vert, vlen = vertices.length; - var face, flen = faces.length; + copySampleValue_: function( index ) { - for ( i = 0; i < vlen; i ++ ) { + // copies a sample value to the result buffer - vert = vertices[ i ]; + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; - this.vertices.push( new Vector3( vert.x, vert.y, 0 ) ); + for ( var i = 0; i !== stride; ++ i ) { - } + result[ i ] = values[ offset + i ]; - for ( i = 0; i < flen; i ++ ) { + } - face = faces[ i ]; + return result; - var a = face[ 0 ] + shapesOffset; - var b = face[ 1 ] + shapesOffset; - var c = face[ 2 ] + shapesOffset; + }, - this.faces.push( new Face3( a, b, c, null, null, material ) ); - this.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) ); + // Template methods for derived classes: - } + interpolate_: function( i1, t0, t, t1 ) { - }; + throw new Error( "call to abstract method" ); + // implementations shall return this.resultBuffer - /** - * @author WestLangley / http://github.com/WestLangley - */ + }, - function EdgesGeometry( geometry, thresholdAngle ) { + intervalChanged_: function( i1, t0, t1 ) { - BufferGeometry.call( this ); + // empty - thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; + } - var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); + }; - var edge = [ 0, 0 ], hash = {}; + Object.assign( Interpolant.prototype, { - function sortFunction( a, b ) { + beforeStart_: //( 0, t, t0 ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_, - return a - b; + afterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_ - } + } ); - var keys = [ 'a', 'b', 'c' ]; + /** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + * + * @author tschw + */ - var geometry2; + function CubicInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - if ( (geometry && geometry.isBufferGeometry) ) { + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - geometry2 = new Geometry(); - geometry2.fromBufferGeometry( geometry ); + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; - } else { + } - geometry2 = geometry.clone(); + CubicInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - } + constructor: CubicInterpolant, - geometry2.mergeVertices(); - geometry2.computeFaceNormals(); + DefaultSettings_: { - var vertices = geometry2.vertices; - var faces = geometry2.faces; + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding - for ( var i = 0, l = faces.length; i < l; i ++ ) { + }, - var face = faces[ i ]; + intervalChanged_: function( i1, t0, t1 ) { - for ( var j = 0; j < 3; j ++ ) { + var pp = this.parameterPositions, + iPrev = i1 - 2, + iNext = i1 + 1, - edge[ 0 ] = face[ keys[ j ] ]; - edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; - edge.sort( sortFunction ); + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; - var key = edge.toString(); + if ( tPrev === undefined ) { - if ( hash[ key ] === undefined ) { + switch ( this.getSettings_().endingStart ) { - hash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined }; + case ZeroSlopeEnding: - } else { + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; - hash[ key ].face2 = i; + break; - } + case WrapAroundEnding: - } + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; - } + break; - var coords = []; + default: // ZeroCurvatureEnding - for ( var key in hash ) { + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; - var h = hash[ key ]; + } - if ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) { + } - var vertex = vertices[ h.vert1 ]; - coords.push( vertex.x ); - coords.push( vertex.y ); - coords.push( vertex.z ); + if ( tNext === undefined ) { - vertex = vertices[ h.vert2 ]; - coords.push( vertex.x ); - coords.push( vertex.y ); - coords.push( vertex.z ); + switch ( this.getSettings_().endingEnd ) { - } + case ZeroSlopeEnding: - } + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; - this.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) ); + break; - } + case WrapAroundEnding: - EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); - EdgesGeometry.prototype.constructor = EdgesGeometry; + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + break; - function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + default: // ZeroCurvatureEnding - BufferGeometry.call( this ); + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; - this.type = 'CylinderBufferGeometry'; + } - this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + } - var scope = this; + var halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; - radiusTop = radiusTop !== undefined ? radiusTop : 20; - radiusBottom = radiusBottom !== undefined ? radiusBottom : 20; - height = height !== undefined ? height : 100; + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; - radialSegments = Math.floor( radialSegments ) || 8; - heightSegments = Math.floor( heightSegments ) || 1; + }, - openEnded = openEnded !== undefined ? openEnded : false; - thetaStart = thetaStart !== undefined ? thetaStart : 0.0; - thetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI; + interpolate_: function( i1, t0, t, t1 ) { - // used to calculate buffer length + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - var nbCap = 0; + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, - if ( openEnded === false ) { + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; - if ( radiusTop > 0 ) nbCap ++; - if ( radiusBottom > 0 ) nbCap ++; + // evaluate polynomials - } + var sP = - wP * ppp + 2 * wP * pp - wP * p; + var s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; + var s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + var sN = wN * ppp - wN * pp; - var vertexCount = calculateVertexCount(); - var indexCount = calculateIndexCount(); + // combine data linearly - // buffers + for ( var i = 0; i !== stride; ++ i ) { - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; - // helper variables + } - var index = 0, - indexOffset = 0, - indexArray = [], - halfHeight = height / 2; + return result; - // group variables - var groupStart = 0; + } - // generate geometry + } ); - generateTorso(); + /** + * @author tschw + */ - if ( openEnded === false ) { + function LinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - if ( radiusTop > 0 ) generateCap( true ); - if ( radiusBottom > 0 ) generateCap( false ); + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - } + } - // build geometry + LinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + constructor: LinearInterpolant, - // helper functions + interpolate_: function( i1, t0, t, t1 ) { - function calculateVertexCount() { + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - var count = ( radialSegments + 1 ) * ( heightSegments + 1 ); + offset1 = i1 * stride, + offset0 = offset1 - stride, - if ( openEnded === false ) { + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; - count += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap ); + for ( var i = 0; i !== stride; ++ i ) { + + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; } - return count; + return result; } - function calculateIndexCount() { + } ); - var count = radialSegments * heightSegments * 2 * 3; + /** + * + * Interpolant that evaluates to the sample value at the position preceeding + * the parameter. + * + * @author tschw + */ - if ( openEnded === false ) { + function DiscreteInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - count += radialSegments * nbCap * 3; + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - } + } - return count; + DiscreteInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - } + constructor: DiscreteInterpolant, - function generateTorso() { + interpolate_: function( i1, t0, t, t1 ) { - var x, y; - var normal = new Vector3(); - var vertex = new Vector3(); + return this.copySampleValue_( i1 - 1 ); - var groupCount = 0; + } - // this will be used to calculate the normal - var slope = ( radiusBottom - radiusTop ) / height; + } ); - // generate vertices, normals and uvs + var KeyframeTrackPrototype; - for ( y = 0; y <= heightSegments; y ++ ) { + KeyframeTrackPrototype = { - var indexRow = []; + TimeBufferType: Float32Array, + ValueBufferType: Float32Array, - var v = y / heightSegments; + DefaultInterpolation: InterpolateLinear, - // calculate the radius of the current row - var radius = v * ( radiusBottom - radiusTop ) + radiusTop; + InterpolantFactoryMethodDiscrete: function( result ) { - for ( x = 0; x <= radialSegments; x ++ ) { + return new DiscreteInterpolant( + this.times, this.values, this.getValueSize(), result ); - var u = x / radialSegments; + }, - var theta = u * thetaLength + thetaStart; + InterpolantFactoryMethodLinear: function( result ) { - var sinTheta = Math.sin( theta ); - var cosTheta = Math.cos( theta ); + return new LinearInterpolant( + this.times, this.values, this.getValueSize(), result ); - // vertex - vertex.x = radius * sinTheta; - vertex.y = - v * height + halfHeight; - vertex.z = radius * cosTheta; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + }, - // normal - normal.set( sinTheta, slope, cosTheta ).normalize(); - normals.setXYZ( index, normal.x, normal.y, normal.z ); + InterpolantFactoryMethodSmooth: function( result ) { - // uv - uvs.setXY( index, u, 1 - v ); + return new CubicInterpolant( + this.times, this.values, this.getValueSize(), result ); - // save index of vertex in respective row - indexRow.push( index ); + }, - // increase index - index ++; + setInterpolation: function( interpolation ) { - } + var factoryMethod; - // now save vertices of the row in our index array - indexArray.push( indexRow ); + switch ( interpolation ) { - } + case InterpolateDiscrete: - // generate indices + factoryMethod = this.InterpolantFactoryMethodDiscrete; - for ( x = 0; x < radialSegments; x ++ ) { + break; - for ( y = 0; y < heightSegments; y ++ ) { + case InterpolateLinear: - // we use the index array to access the correct indices - var i1 = indexArray[ y ][ x ]; - var i2 = indexArray[ y + 1 ][ x ]; - var i3 = indexArray[ y + 1 ][ x + 1 ]; - var i4 = indexArray[ y ][ x + 1 ]; + factoryMethod = this.InterpolantFactoryMethodLinear; - // face one - indices.setX( indexOffset, i1 ); indexOffset ++; - indices.setX( indexOffset, i2 ); indexOffset ++; - indices.setX( indexOffset, i4 ); indexOffset ++; + break; - // face two - indices.setX( indexOffset, i2 ); indexOffset ++; - indices.setX( indexOffset, i3 ); indexOffset ++; - indices.setX( indexOffset, i4 ); indexOffset ++; + case InterpolateSmooth: - // update counters - groupCount += 6; + factoryMethod = this.InterpolantFactoryMethodSmooth; - } + break; } - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, 0 ); + if ( factoryMethod === undefined ) { - // calculate new start value for groups - groupStart += groupCount; + var message = "unsupported interpolation for " + + this.ValueTypeName + " keyframe track named " + this.name; - } + if ( this.createInterpolant === undefined ) { - function generateCap( top ) { + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { - var x, centerIndexStart, centerIndexEnd; + this.setInterpolation( this.DefaultInterpolation ); - var uv = new Vector2(); - var vertex = new Vector3(); + } else { - var groupCount = 0; + throw new Error( message ); // fatal, in this case - var radius = ( top === true ) ? radiusTop : radiusBottom; - var sign = ( top === true ) ? 1 : - 1; + } - // save the index of the first center vertex - centerIndexStart = index; + } - // first we generate the center vertex data of the cap. - // because the geometry needs one set of uvs per face, - // we must generate a center vertex per face/segment + console.warn( message ); + return; - for ( x = 1; x <= radialSegments; x ++ ) { + } - // vertex - vertices.setXYZ( index, 0, halfHeight * sign, 0 ); + this.createInterpolant = factoryMethod; - // normal - normals.setXYZ( index, 0, sign, 0 ); + }, - // uv - uv.x = 0.5; - uv.y = 0.5; + getInterpolation: function() { - uvs.setXY( index, uv.x, uv.y ); + switch ( this.createInterpolant ) { - // increase index - index ++; + case this.InterpolantFactoryMethodDiscrete: + + return InterpolateDiscrete; + + case this.InterpolantFactoryMethodLinear: + + return InterpolateLinear; + + case this.InterpolantFactoryMethodSmooth: + + return InterpolateSmooth; } - // save the index of the last center vertex - centerIndexEnd = index; + }, - // now we generate the surrounding vertices, normals and uvs + getValueSize: function() { - for ( x = 0; x <= radialSegments; x ++ ) { + return this.values.length / this.times.length; - var u = x / radialSegments; - var theta = u * thetaLength + thetaStart; + }, - var cosTheta = Math.cos( theta ); - var sinTheta = Math.sin( theta ); + // move all keyframes either forwards or backwards in time + shift: function( timeOffset ) { - // vertex - vertex.x = radius * sinTheta; - vertex.y = halfHeight * sign; - vertex.z = radius * cosTheta; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + if( timeOffset !== 0.0 ) { - // normal - normals.setXYZ( index, 0, sign, 0 ); + var times = this.times; - // uv - uv.x = ( cosTheta * 0.5 ) + 0.5; - uv.y = ( sinTheta * 0.5 * sign ) + 0.5; - uvs.setXY( index, uv.x, uv.y ); + for( var i = 0, n = times.length; i !== n; ++ i ) { - // increase index - index ++; + times[ i ] += timeOffset; + + } } - // generate indices + return this; - for ( x = 0; x < radialSegments; x ++ ) { + }, - var c = centerIndexStart + x; - var i = centerIndexEnd + x; + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale: function( timeScale ) { - if ( top === true ) { + if( timeScale !== 1.0 ) { - // face top - indices.setX( indexOffset, i ); indexOffset ++; - indices.setX( indexOffset, i + 1 ); indexOffset ++; - indices.setX( indexOffset, c ); indexOffset ++; + var times = this.times; - } else { + for( var i = 0, n = times.length; i !== n; ++ i ) { - // face bottom - indices.setX( indexOffset, i + 1 ); indexOffset ++; - indices.setX( indexOffset, i ); indexOffset ++; - indices.setX( indexOffset, c ); indexOffset ++; + times[ i ] *= timeScale; } - // update counters - groupCount += 3; - } - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + return this; - // calculate new start value for groups - groupStart += groupCount; + }, - } + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim: function( startTime, endTime ) { - } + var times = this.times, + nKeys = times.length, + from = 0, + to = nKeys - 1; - CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; + while ( from !== nKeys && times[ from ] < startTime ) ++ from; + while ( to !== -1 && times[ to ] > endTime ) -- to; - /** - * @author mrdoob / http://mrdoob.com/ - */ + ++ to; // inclusive -> exclusive bound - function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + if( from !== 0 || to !== nKeys ) { - Geometry.call( this ); + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) to = Math.max( to , 1 ), from = to - 1; - this.type = 'CylinderGeometry'; + var stride = this.getValueSize(); + this.times = AnimationUtils.arraySlice( times, from, to ); + this.values = AnimationUtils. + arraySlice( this.values, from * stride, to * stride ); - this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + } - this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); - this.mergeVertices(); + return this; - } + }, - CylinderGeometry.prototype = Object.create( Geometry.prototype ); - CylinderGeometry.prototype.constructor = CylinderGeometry; + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate: function() { - /** - * @author abelnation / http://github.com/abelnation - */ + var valid = true; - function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + var valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { - CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + console.error( "invalid value size in track", this ); + valid = false; - this.type = 'ConeGeometry'; + } - this.parameters = { - radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + var times = this.times, + values = this.values, - } + nKeys = times.length; - ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); - ConeGeometry.prototype.constructor = ConeGeometry; + if( nKeys === 0 ) { - /** - * @author: abelnation / http://github.com/abelnation - */ + console.error( "track is empty", this ); + valid = false; - function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + } - CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + var prevTime = null; - this.type = 'ConeBufferGeometry'; + for( var i = 0; i !== nKeys; i ++ ) { - this.parameters = { - radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + var currTime = times[ i ]; - } + if ( typeof currTime === 'number' && isNaN( currTime ) ) { - ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); - ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; + console.error( "time is not a valid number", this, i, currTime ); + valid = false; + break; - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + } - function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { + if( prevTime !== null && prevTime > currTime ) { - BufferGeometry.call( this ); + console.error( "out of order keys", this, i, currTime, prevTime ); + valid = false; + break; - this.type = 'CircleBufferGeometry'; + } - this.parameters = { - radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + prevTime = currTime; - radius = radius || 50; - segments = segments !== undefined ? Math.max( 3, segments ) : 8; + } - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + if ( values !== undefined ) { - var vertices = segments + 2; + if ( AnimationUtils.isTypedArray( values ) ) { - var positions = new Float32Array( vertices * 3 ); - var normals = new Float32Array( vertices * 3 ); - var uvs = new Float32Array( vertices * 2 ); + for ( var i = 0, n = values.length; i !== n; ++ i ) { - // center data is already zero, but need to set a few extras - normals[ 2 ] = 1.0; - uvs[ 0 ] = 0.5; - uvs[ 1 ] = 0.5; + var value = values[ i ]; - for ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) { + if ( isNaN( value ) ) { - var segment = thetaStart + s / segments * thetaLength; + console.error( "value is not a valid number", this, i, value ); + valid = false; + break; - positions[ i ] = radius * Math.cos( segment ); - positions[ i + 1 ] = radius * Math.sin( segment ); + } - normals[ i + 2 ] = 1; // normal z + } - uvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2; - uvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2; + } - } + } - var indices = []; + return valid; - for ( var i = 1; i <= segments; i ++ ) { + }, - indices.push( i, i + 1, 0 ); + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize: function() { - } + var times = this.times, + values = this.values, + stride = this.getValueSize(), - this.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) ); - this.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, - this.boundingSphere = new Sphere( new Vector3(), radius ); + writeIndex = 1, + lastIndex = times.length - 1; - } + for( var i = 1; i < lastIndex; ++ i ) { - CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; + var keep = false; - /** - * @author hughes - */ + var time = times[ i ]; + var timeNext = times[ i + 1 ]; - function CircleGeometry( radius, segments, thetaStart, thetaLength ) { + // remove adjacent keyframes scheduled at the same time - Geometry.call( this ); + if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { - this.type = 'CircleGeometry'; + if ( ! smoothInterpolation ) { - this.parameters = { - radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + // remove unnecessary keyframes same as their neighbors - this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); + var offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; - } + for ( var j = 0; j !== stride; ++ j ) { - CircleGeometry.prototype = Object.create( Geometry.prototype ); - CircleGeometry.prototype.constructor = CircleGeometry; + var value = values[ offset + j ]; - /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as - */ + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { - function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + keep = true; + break; - Geometry.call( this ); + } - this.type = 'BoxGeometry'; + } - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; + } else keep = true; - this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); - this.mergeVertices(); + } - } + // in-place compaction - BoxGeometry.prototype = Object.create( Geometry.prototype ); - BoxGeometry.prototype.constructor = BoxGeometry; + if ( keep ) { + if ( i !== writeIndex ) { + times[ writeIndex ] = times[ i ]; - var Geometries = Object.freeze({ - WireframeGeometry: WireframeGeometry, - ParametricGeometry: ParametricGeometry, - ParametricBufferGeometry: ParametricBufferGeometry, - TetrahedronGeometry: TetrahedronGeometry, - TetrahedronBufferGeometry: TetrahedronBufferGeometry, - OctahedronGeometry: OctahedronGeometry, - OctahedronBufferGeometry: OctahedronBufferGeometry, - IcosahedronGeometry: IcosahedronGeometry, - IcosahedronBufferGeometry: IcosahedronBufferGeometry, - DodecahedronGeometry: DodecahedronGeometry, - DodecahedronBufferGeometry: DodecahedronBufferGeometry, - PolyhedronGeometry: PolyhedronGeometry, - PolyhedronBufferGeometry: PolyhedronBufferGeometry, - TubeGeometry: TubeGeometry, - TubeBufferGeometry: TubeBufferGeometry, - TorusKnotGeometry: TorusKnotGeometry, - TorusKnotBufferGeometry: TorusKnotBufferGeometry, - TorusGeometry: TorusGeometry, - TorusBufferGeometry: TorusBufferGeometry, - TextGeometry: TextGeometry, - SphereBufferGeometry: SphereBufferGeometry, - SphereGeometry: SphereGeometry, - RingGeometry: RingGeometry, - RingBufferGeometry: RingBufferGeometry, - PlaneBufferGeometry: PlaneBufferGeometry, - PlaneGeometry: PlaneGeometry, - LatheGeometry: LatheGeometry, - LatheBufferGeometry: LatheBufferGeometry, - ShapeGeometry: ShapeGeometry, - ExtrudeGeometry: ExtrudeGeometry, - EdgesGeometry: EdgesGeometry, - ConeGeometry: ConeGeometry, - ConeBufferGeometry: ConeBufferGeometry, - CylinderGeometry: CylinderGeometry, - CylinderBufferGeometry: CylinderBufferGeometry, - CircleBufferGeometry: CircleBufferGeometry, - CircleGeometry: CircleGeometry, - BoxBufferGeometry: BoxBufferGeometry, - BoxGeometry: BoxGeometry - }); + var readOffset = i * stride, + writeOffset = writeIndex * stride; - /** - * @author mrdoob / http://mrdoob.com/ - */ + for ( var j = 0; j !== stride; ++ j ) - function ShadowMaterial() { + values[ writeOffset + j ] = values[ readOffset + j ]; - ShaderMaterial.call( this, { - uniforms: UniformsUtils.merge( [ - UniformsLib[ "lights" ], - { - opacity: { value: 1.0 } - } - ] ), - vertexShader: ShaderChunk[ 'shadow_vert' ], - fragmentShader: ShaderChunk[ 'shadow_frag' ] - } ); + } - this.lights = true; - this.transparent = true; + ++ writeIndex; - Object.defineProperties( this, { - opacity: { - enumerable: true, - get: function () { - return this.uniforms.opacity.value; - }, - set: function ( value ) { - this.uniforms.opacity.value = value; } - } - } ); - - } - - ShadowMaterial.prototype = Object.create( ShaderMaterial.prototype ); - ShadowMaterial.prototype.constructor = ShadowMaterial; - - ShadowMaterial.prototype.isShadowMaterial = true; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function RawShaderMaterial( parameters ) { - ShaderMaterial.call( this, parameters ); + } - this.type = 'RawShaderMaterial'; + // flush last keyframe (compaction looks ahead) - } + if ( lastIndex > 0 ) { - RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); - RawShaderMaterial.prototype.constructor = RawShaderMaterial; + times[ writeIndex ] = times[ lastIndex ]; - RawShaderMaterial.prototype.isRawShaderMaterial = true; + for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) - /** - * @author mrdoob / http://mrdoob.com/ - */ + values[ writeOffset + j ] = values[ readOffset + j ]; - function MultiMaterial( materials ) { + ++ writeIndex; - this.uuid = _Math.generateUUID(); + } - this.type = 'MultiMaterial'; + if ( writeIndex !== times.length ) { - this.materials = materials instanceof Array ? materials : []; + this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); + this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); - this.visible = true; + } - } + return this; - MultiMaterial.prototype = { + } - constructor: MultiMaterial, + }; - isMultiMaterial: true, + function KeyframeTrackConstructor( name, times, values, interpolation ) { - toJSON: function ( meta ) { + if( name === undefined ) throw new Error( "track name is undefined" ); - var output = { - metadata: { - version: 4.2, - type: 'material', - generator: 'MaterialExporter' - }, - uuid: this.uuid, - type: this.type, - materials: [] - }; + if( times === undefined || times.length === 0 ) { - var materials = this.materials; + throw new Error( "no keyframes in track named " + name ); - for ( var i = 0, l = materials.length; i < l; i ++ ) { + } - var material = materials[ i ].toJSON( meta ); - delete material.metadata; + this.name = name; - output.materials.push( material ); + this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); + this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); - } + this.setInterpolation( interpolation || this.DefaultInterpolation ); - output.visible = this.visible; + this.validate(); + this.optimize(); - return output; + } - }, + /** + * + * A Track of vectored keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - clone: function () { + function VectorKeyframeTrack( name, times, values, interpolation ) { - var material = new this.constructor(); + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - for ( var i = 0; i < this.materials.length; i ++ ) { + } - material.materials.push( this.materials[ i ].clone() ); + VectorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - } + constructor: VectorKeyframeTrack, - material.visible = this.visible; + ValueTypeName: 'vector' - return material; + // ValueBufferType is inherited - } + // DefaultInterpolation is inherited - }; + } ); /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * color: , - * roughness: , - * metalness: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * roughnessMap: new THREE.Texture( ), - * - * metalnessMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), - * envMapIntensity: - * - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , + * Spherical linear unit quaternion interpolant. * - * skinning: , - * morphTargets: , - * morphNormals: - * } + * @author tschw */ - function MeshStandardMaterial( parameters ) { - - Material.call( this ); - - this.defines = { 'STANDARD': '' }; + function QuaternionLinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - this.type = 'MeshStandardMaterial'; + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - this.color = new Color( 0xffffff ); // diffuse - this.roughness = 0.5; - this.metalness = 0.5; + } - this.map = null; + QuaternionLinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - this.lightMap = null; - this.lightMapIntensity = 1.0; + constructor: QuaternionLinearInterpolant, - this.aoMap = null; - this.aoMapIntensity = 1.0; + interpolate_: function( i1, t0, t, t1 ) { - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - this.bumpMap = null; - this.bumpScale = 1; + offset = i1 * stride, - this.normalMap = null; - this.normalScale = new Vector2( 1, 1 ); + alpha = ( t - t0 ) / ( t1 - t0 ); - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + for ( var end = offset + stride; offset !== end; offset += 4 ) { - this.roughnessMap = null; + Quaternion.slerpFlat( result, 0, + values, offset - stride, values, offset, alpha ); - this.metalnessMap = null; + } - this.alphaMap = null; + return result; - this.envMap = null; - this.envMapIntensity = 1.0; + } - this.refractionRatio = 0.98; + } ); - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + /** + * + * A Track of quaternion keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + function QuaternionKeyframeTrack( name, times, values, interpolation ) { - this.setValues( parameters ); + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); } - MeshStandardMaterial.prototype = Object.create( Material.prototype ); - MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; + QuaternionKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - MeshStandardMaterial.prototype.isMeshStandardMaterial = true; + constructor: QuaternionKeyframeTrack, - MeshStandardMaterial.prototype.copy = function ( source ) { + ValueTypeName: 'quaternion', - Material.prototype.copy.call( this, source ); + // ValueBufferType is inherited - this.defines = { 'STANDARD': '' }; + DefaultInterpolation: InterpolateLinear, - this.color.copy( source.color ); - this.roughness = source.roughness; - this.metalness = source.metalness; + InterpolantFactoryMethodLinear: function( result ) { - this.map = source.map; - - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; - - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + return new QuaternionLinearInterpolant( + this.times, this.values, this.getValueSize(), result ); - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + }, - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; + InterpolantFactoryMethodSmooth: undefined // not yet implemented - this.normalMap = source.normalMap; - this.normalScale.copy( source.normalScale ); + } ); - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + /** + * + * A Track of numeric keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - this.roughnessMap = source.roughnessMap; + function NumberKeyframeTrack( name, times, values, interpolation ) { - this.metalnessMap = source.metalnessMap; + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - this.alphaMap = source.alphaMap; + } - this.envMap = source.envMap; - this.envMapIntensity = source.envMapIntensity; + NumberKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - this.refractionRatio = source.refractionRatio; + constructor: NumberKeyframeTrack, - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + ValueTypeName: 'number', - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + // ValueBufferType is inherited - return this; + // DefaultInterpolation is inherited - }; + } ); /** - * @author WestLangley / http://github.com/WestLangley * - * parameters = { - * reflectivity: - * } + * A Track that interpolates Strings + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw */ - function MeshPhysicalMaterial( parameters ) { - - MeshStandardMaterial.call( this ); - - this.defines = { 'PHYSICAL': '' }; - - this.type = 'MeshPhysicalMaterial'; - - this.reflectivity = 0.5; // maps to F0 = 0.04 - - this.clearCoat = 0.0; - this.clearCoatRoughness = 0.0; + function StringKeyframeTrack( name, times, values, interpolation ) { - this.setValues( parameters ); + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); } - MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); - MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; - - MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; - - MeshPhysicalMaterial.prototype.copy = function ( source ) { + StringKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - MeshStandardMaterial.prototype.copy.call( this, source ); + constructor: StringKeyframeTrack, - this.defines = { 'PHYSICAL': '' }; + ValueTypeName: 'string', + ValueBufferType: Array, - this.reflectivity = source.reflectivity; + DefaultInterpolation: InterpolateDiscrete, - this.clearCoat = source.clearCoat; - this.clearCoatRoughness = source.clearCoatRoughness; + InterpolantFactoryMethodLinear: undefined, - return this; + InterpolantFactoryMethodSmooth: undefined - }; + } ); /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * specular: , - * shininess: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , + * A Track of Boolean keyframe values. * - * wireframe: , - * wireframeLinewidth: , * - * skinning: , - * morphTargets: , - * morphNormals: - * } + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw */ - function MeshPhongMaterial( parameters ) { - - Material.call( this ); - - this.type = 'MeshPhongMaterial'; - - this.color = new Color( 0xffffff ); // diffuse - this.specular = new Color( 0x111111 ); - this.shininess = 30; - - this.map = null; + function BooleanKeyframeTrack( name, times, values ) { - this.lightMap = null; - this.lightMapIntensity = 1.0; + KeyframeTrackConstructor.call( this, name, times, values ); - this.aoMap = null; - this.aoMapIntensity = 1.0; + } - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + BooleanKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - this.bumpMap = null; - this.bumpScale = 1; + constructor: BooleanKeyframeTrack, - this.normalMap = null; - this.normalScale = new Vector2( 1, 1 ); + ValueTypeName: 'bool', + ValueBufferType: Array, - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + DefaultInterpolation: InterpolateDiscrete, - this.specularMap = null; + InterpolantFactoryMethodLinear: undefined, + InterpolantFactoryMethodSmooth: undefined - this.alphaMap = null; + // Note: Actually this track could have a optimized / compressed + // representation of a single value and a custom interpolant that + // computes "firstValue ^ isOdd( index )". - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + } ); - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + /** + * + * A Track of keyframe values that represent color. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + function ColorKeyframeTrack( name, times, values, interpolation ) { - this.setValues( parameters ); + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); } - MeshPhongMaterial.prototype = Object.create( Material.prototype ); - MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; + ColorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - MeshPhongMaterial.prototype.isMeshPhongMaterial = true; + constructor: ColorKeyframeTrack, - MeshPhongMaterial.prototype.copy = function ( source ) { + ValueTypeName: 'color' - Material.prototype.copy.call( this, source ); + // ValueBufferType is inherited - this.color.copy( source.color ); - this.specular.copy( source.specular ); - this.shininess = source.shininess; + // DefaultInterpolation is inherited - this.map = source.map; - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; + // Note: Very basic implementation and nothing special yet. + // However, this is the place for color space parameterization. - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + } ); - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + /** + * + * A timed sequence of keyframes for a specific property. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; + function KeyframeTrack( name, times, values, interpolation ) { - this.normalMap = source.normalMap; - this.normalScale.copy( source.normalScale ); + KeyframeTrackConstructor.apply( this, arguments ); - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + } - this.specularMap = source.specularMap; + KeyframeTrack.prototype = KeyframeTrackPrototype; + KeyframeTrackPrototype.constructor = KeyframeTrack; - this.alphaMap = source.alphaMap; + // Static methods: - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + Object.assign( KeyframeTrack, { - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + parse: function( json ) { - return this; + if( json.type === undefined ) { - }; + throw new Error( "track type undefined, can not parse" ); - /** - * @author mrdoob / http://mrdoob.com/ - * - * parameters = { - * opacity: , - * - * wireframe: , - * wireframeLinewidth: - * } - */ + } - function MeshNormalMaterial( parameters ) { + var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type ); - Material.call( this, parameters ); + if ( json.times === undefined ) { - this.type = 'MeshNormalMaterial'; + var times = [], values = []; - this.wireframe = false; - this.wireframeLinewidth = 1; + AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); - this.fog = false; - this.lights = false; - this.morphTargets = false; + json.times = times; + json.values = values; - this.setValues( parameters ); + } - } + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { - MeshNormalMaterial.prototype = Object.create( Material.prototype ); - MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; + return trackType.parse( json ); - MeshNormalMaterial.prototype.isMeshNormalMaterial = true; + } else { - MeshNormalMaterial.prototype.copy = function ( source ) { + // by default, we asssume a constructor compatible with the base + return new trackType( + json.name, json.times, json.values, json.interpolation ); - Material.prototype.copy.call( this, source ); + } - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + }, - return this; + toJSON: function( track ) { - }; + var trackType = track.constructor; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ + var json; - function MeshLambertMaterial( parameters ) { + // derived classes can define a static toJSON method + if ( trackType.toJSON !== undefined ) { - Material.call( this ); + json = trackType.toJSON( track ); - this.type = 'MeshLambertMaterial'; + } else { - this.color = new Color( 0xffffff ); // diffuse + // by default, we assume the data can be serialized as-is + json = { - this.map = null; + 'name': track.name, + 'times': AnimationUtils.convertArray( track.times, Array ), + 'values': AnimationUtils.convertArray( track.values, Array ) - this.lightMap = null; - this.lightMapIntensity = 1.0; + }; - this.aoMap = null; - this.aoMapIntensity = 1.0; + var interpolation = track.getInterpolation(); - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + if ( interpolation !== track.DefaultInterpolation ) { - this.specularMap = null; + json.interpolation = interpolation; - this.alphaMap = null; + } - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + } - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + json.type = track.ValueTypeName; // mandatory - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + return json; - this.setValues( parameters ); + }, - } + _getTrackTypeForValueTypeName: function( typeName ) { - MeshLambertMaterial.prototype = Object.create( Material.prototype ); - MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; + switch( typeName.toLowerCase() ) { - MeshLambertMaterial.prototype.isMeshLambertMaterial = true; + case "scalar": + case "double": + case "float": + case "number": + case "integer": - MeshLambertMaterial.prototype.copy = function ( source ) { + return NumberKeyframeTrack; - Material.prototype.copy.call( this, source ); + case "vector": + case "vector2": + case "vector3": + case "vector4": - this.color.copy( source.color ); + return VectorKeyframeTrack; - this.map = source.map; + case "color": - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; + return ColorKeyframeTrack; - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + case "quaternion": - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + return QuaternionKeyframeTrack; - this.specularMap = source.specularMap; + case "bool": + case "boolean": - this.alphaMap = source.alphaMap; + return BooleanKeyframeTrack; - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + case "string": - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + return StringKeyframeTrack; - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + } - return this; + throw new Error( "Unsupported typeName: " + typeName ); - }; + } + + } ); /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , * - * linewidth: , + * Reusable set of Tracks that represent an animation. * - * scale: , - * dashSize: , - * gapSize: - * } + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ */ - function LineDashedMaterial( parameters ) { - - Material.call( this ); + function AnimationClip( name, duration, tracks ) { - this.type = 'LineDashedMaterial'; + this.name = name; + this.tracks = tracks; + this.duration = ( duration !== undefined ) ? duration : -1; - this.color = new Color( 0xffffff ); + this.uuid = _Math.generateUUID(); - this.linewidth = 1; + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { - this.scale = 1; - this.dashSize = 3; - this.gapSize = 1; + this.resetDuration(); - this.lights = false; + } - this.setValues( parameters ); + this.optimize(); } - LineDashedMaterial.prototype = Object.create( Material.prototype ); - LineDashedMaterial.prototype.constructor = LineDashedMaterial; - - LineDashedMaterial.prototype.isLineDashedMaterial = true; + AnimationClip.prototype = { - LineDashedMaterial.prototype.copy = function ( source ) { + constructor: AnimationClip, - Material.prototype.copy.call( this, source ); + resetDuration: function() { - this.color.copy( source.color ); - - this.linewidth = source.linewidth; - - this.scale = source.scale; - this.dashSize = source.dashSize; - this.gapSize = source.gapSize; - - return this; - - }; - - - - var Materials = Object.freeze({ - ShadowMaterial: ShadowMaterial, - SpriteMaterial: SpriteMaterial, - RawShaderMaterial: RawShaderMaterial, - ShaderMaterial: ShaderMaterial, - PointsMaterial: PointsMaterial, - MultiMaterial: MultiMaterial, - MeshPhysicalMaterial: MeshPhysicalMaterial, - MeshStandardMaterial: MeshStandardMaterial, - MeshPhongMaterial: MeshPhongMaterial, - MeshNormalMaterial: MeshNormalMaterial, - MeshLambertMaterial: MeshLambertMaterial, - MeshDepthMaterial: MeshDepthMaterial, - MeshBasicMaterial: MeshBasicMaterial, - LineDashedMaterial: LineDashedMaterial, - LineBasicMaterial: LineBasicMaterial, - Material: Material - }); - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - var Cache = { - - enabled: false, + var tracks = this.tracks, + duration = 0; - files: {}, + for ( var i = 0, n = tracks.length; i !== n; ++ i ) { - add: function ( key, file ) { + var track = this.tracks[ i ]; - if ( this.enabled === false ) return; + duration = Math.max( + duration, track.times[ track.times.length - 1 ] ); - // console.log( 'THREE.Cache', 'Adding key:', key ); + } - this.files[ key ] = file; + this.duration = duration; }, - get: function ( key ) { + trim: function() { - if ( this.enabled === false ) return; + for ( var i = 0; i < this.tracks.length; i ++ ) { - // console.log( 'THREE.Cache', 'Checking key:', key ); + this.tracks[ i ].trim( 0, this.duration ); - return this.files[ key ]; + } + + return this; }, - remove: function ( key ) { + optimize: function() { - delete this.files[ key ]; + for ( var i = 0; i < this.tracks.length; i ++ ) { - }, + this.tracks[ i ].optimize(); - clear: function () { + } - this.files = {}; + return this; } }; - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function LoadingManager( onLoad, onProgress, onError ) { - - var scope = this; - - var isLoading = false, itemsLoaded = 0, itemsTotal = 0; - - this.onStart = undefined; - this.onLoad = onLoad; - this.onProgress = onProgress; - this.onError = onError; - - this.itemStart = function ( url ) { - - itemsTotal ++; - - if ( isLoading === false ) { - - if ( scope.onStart !== undefined ) { - - scope.onStart( url, itemsLoaded, itemsTotal ); - - } - - } - - isLoading = true; + // Static methods: - }; + Object.assign( AnimationClip, { - this.itemEnd = function ( url ) { + parse: function( json ) { - itemsLoaded ++; + var tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); - if ( scope.onProgress !== undefined ) { + for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { - scope.onProgress( url, itemsLoaded, itemsTotal ); + tracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) ); } - if ( itemsLoaded === itemsTotal ) { + return new AnimationClip( json.name, json.duration, tracks ); - isLoading = false; + }, - if ( scope.onLoad !== undefined ) { - scope.onLoad(); + toJSON: function( clip ) { - } + var tracks = [], + clipTracks = clip.tracks; - } + var json = { - }; + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks - this.itemError = function ( url ) { + }; - if ( scope.onError !== undefined ) { + for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { - scope.onError( url ); + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); } - }; + return json; - } + }, - var DefaultLoadingManager = new LoadingManager(); - /** - * @author mrdoob / http://mrdoob.com/ - */ + CreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) { - function XHRLoader( manager ) { + var numMorphTargets = morphTargetSequence.length; + var tracks = []; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + for ( var i = 0; i < numMorphTargets; i ++ ) { - } + var times = []; + var values = []; - Object.assign( XHRLoader.prototype, { + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); - load: function ( url, onLoad, onProgress, onError ) { + values.push( 0, 1, 0 ); - if ( url === undefined ) url = ''; + var order = AnimationUtils.getKeyframeOrder( times ); + times = AnimationUtils.sortedArray( times, 1, order ); + values = AnimationUtils.sortedArray( values, 1, order ); - if ( this.path !== undefined ) url = this.path + url; + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { - var scope = this; + times.push( numMorphTargets ); + values.push( values[ 0 ] ); - var cached = Cache.get( url ); + } - if ( cached !== undefined ) { + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + } - scope.manager.itemStart( url ); + return new AnimationClip( name, -1, tracks ); - setTimeout( function () { + }, - if ( onLoad ) onLoad( cached ); + findByName: function( objectOrClipArray, name ) { - scope.manager.itemEnd( url ); + var clipArray = objectOrClipArray; - }, 0 ); + if ( ! Array.isArray( objectOrClipArray ) ) { - return cached; + var o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; } - // Check for data: URI - var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; - var dataUriRegexResult = url.match( dataUriRegex ); - - // Safari can not handle Data URIs through XMLHttpRequest so process manually - if ( dataUriRegexResult ) { + for ( var i = 0; i < clipArray.length; i ++ ) { - var mimeType = dataUriRegexResult[1]; - var isBase64 = !!dataUriRegexResult[2]; - var data = dataUriRegexResult[3]; + if ( clipArray[ i ].name === name ) { - data = window.decodeURIComponent(data); + return clipArray[ i ]; - if( isBase64 ) { - data = window.atob(data); } + } - try { - - var response; - var responseType = ( this.responseType || '' ).toLowerCase(); + return null; - switch ( responseType ) { + }, - case 'arraybuffer': - case 'blob': + CreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) { - response = new ArrayBuffer( data.length ); - var view = new Uint8Array( response ); - for ( var i = 0; i < data.length; i ++ ) { + var animationToMorphTargets = {}; - view[ i ] = data.charCodeAt( i ); + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + var pattern = /^([\w-]*?)([\d]+)$/; - } + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { - if ( responseType === 'blob' ) { + var morphTarget = morphTargets[ i ]; + var parts = morphTarget.name.match( pattern ); - response = new Blob( [ response ], { "type" : mimeType } ); + if ( parts && parts.length > 1 ) { - } + var name = parts[ 1 ]; - break; + var animationMorphTargets = animationToMorphTargets[ name ]; + if ( ! animationMorphTargets ) { - case 'document': + animationToMorphTargets[ name ] = animationMorphTargets = []; - var parser = new DOMParser(); - response = parser.parseFromString( data, mimeType ); + } - break; + animationMorphTargets.push( morphTarget ); - case 'json': + } - response = JSON.parse( data ); + } - break; + var clips = []; - default: // 'text' or other + for ( var name in animationToMorphTargets ) { - response = data; + clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); - break; + } - } + return clips; - // Wait for next browser tick - window.setTimeout( function() { + }, - if ( onLoad ) onLoad( response ); + // parse the animation.hierarchy format + parseAnimation: function( animation, bones ) { - scope.manager.itemEnd( url ); + if ( ! animation ) { - }, 0); + console.error( " no animation in JSONLoader data" ); + return null; - } catch ( error ) { + } - // Wait for next browser tick - window.setTimeout( function() { + var addNonemptyTrack = function( + trackType, trackName, animationKeys, propertyName, destTracks ) { - if ( onError ) onError( error ); + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { - scope.manager.itemError( url ); + var times = []; + var values = []; - }, 0); + AnimationUtils.flattenJSON( + animationKeys, times, values, propertyName ); - } + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { - } else { + destTracks.push( new trackType( trackName, times, values ) ); - var request = new XMLHttpRequest(); - request.open( 'GET', url, true ); + } - request.addEventListener( 'load', function ( event ) { + } - var response = event.target.response; + }; - Cache.add( url, response ); + var tracks = []; - if ( this.status === 200 ) { + var clipName = animation.name || 'default'; + // automatic length determination in AnimationClip. + var duration = animation.length || -1; + var fps = animation.fps || 30; - if ( onLoad ) onLoad( response ); + var hierarchyTracks = animation.hierarchy || []; - scope.manager.itemEnd( url ); + for ( var h = 0; h < hierarchyTracks.length; h ++ ) { - } else if ( this.status === 0 ) { + var animationKeys = hierarchyTracks[ h ].keys; - // Some browsers return HTTP Status 0 when using non-http protocol - // e.g. 'file://' or 'data://'. Handle as success. + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; - console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' ); + // process morph targets in a way exactly compatible + // with AnimationHandler.init( animation ) + if ( animationKeys[0].morphTargets ) { - if ( onLoad ) onLoad( response ); + // figure out all morph targets used in this track + var morphTargetNames = {}; + for ( var k = 0; k < animationKeys.length; k ++ ) { - scope.manager.itemEnd( url ); + if ( animationKeys[k].morphTargets ) { - } else { + for ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) { - if ( onError ) onError( event ); + morphTargetNames[ animationKeys[k].morphTargets[m] ] = -1; + } - scope.manager.itemError( url ); + } } - }, false ); - - if ( onProgress !== undefined ) { - - request.addEventListener( 'progress', function ( event ) { - - onProgress( event ); - - }, false ); + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( var morphTargetName in morphTargetNames ) { - } + var times = []; + var values = []; - request.addEventListener( 'error', function ( event ) { + for ( var m = 0; + m !== animationKeys[k].morphTargets.length; ++ m ) { - if ( onError ) onError( event ); + var animationKey = animationKeys[k]; - scope.manager.itemError( url ); + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); - }, false ); + } - if ( this.responseType !== undefined ) request.responseType = this.responseType; - if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; + tracks.push( new NumberKeyframeTrack( + '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); - if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' ); + } - request.send( null ); + duration = morphTargetNames.length * ( fps || 1.0 ); - } + } else { + // ...assume skeletal animation - scope.manager.itemStart( url ); + var boneName = '.bones[' + bones[ h ].name + ']'; - return request; + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); - }, + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); - setPath: function ( value ) { + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); - this.path = value; - return this; + } - }, + } - setResponseType: function ( value ) { + if ( tracks.length === 0 ) { - this.responseType = value; - return this; + return null; - }, + } - setWithCredentials: function ( value ) { + var clip = new AnimationClip( clipName, duration, tracks ); - this.withCredentials = value; - return this; + return clip; } @@ -33837,13221 +31971,15193 @@ /** * @author mrdoob / http://mrdoob.com/ - * - * Abstract Base class to block based textures loader (dds, pvr, ...) */ - function CompressedTextureLoader( manager ) { + function MaterialLoader( manager ) { this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - - // override in sub classes - this._parser = null; + this.textures = {}; } - Object.assign( CompressedTextureLoader.prototype, { + Object.assign( MaterialLoader.prototype, { load: function ( url, onLoad, onProgress, onError ) { var scope = this; - var images = []; + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - var texture = new CompressedTexture(); - texture.image = images; + onLoad( scope.parse( JSON.parse( text ) ) ); - var loader = new XHRLoader( this.manager ); - loader.setPath( this.path ); - loader.setResponseType( 'arraybuffer' ); + }, onProgress, onError ); - function loadTexture( i ) { + }, - loader.load( url[ i ], function ( buffer ) { + setTextures: function ( value ) { - var texDatas = scope._parser( buffer, true ); + this.textures = value; - images[ i ] = { - width: texDatas.width, - height: texDatas.height, - format: texDatas.format, - mipmaps: texDatas.mipmaps - }; + }, - loaded += 1; + parse: function ( json ) { - if ( loaded === 6 ) { + var textures = this.textures; - if ( texDatas.mipmapCount === 1 ) - texture.minFilter = LinearFilter; + function getTexture( name ) { - texture.format = texDatas.format; - texture.needsUpdate = true; + if ( textures[ name ] === undefined ) { - if ( onLoad ) onLoad( texture ); + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); - } + } - }, onProgress, onError ); + return textures[ name ]; } - if ( Array.isArray( url ) ) { + var material = new Materials[ json.type ](); - var loaded = 0; + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.uniforms !== undefined ) material.uniforms = json.uniforms; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.shading !== undefined ) material.shading = json.shading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.side !== undefined ) material.side = json.side; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + if ( json.skinning !== undefined ) material.skinning = json.skinning; + if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; - for ( var i = 0, il = url.length; i < il; ++ i ) { + // for PointsMaterial - loadTexture( i ); + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; - } + // maps - } else { + if ( json.map !== undefined ) material.map = getTexture( json.map ); - // compressed cubemap texture stored in a single DDS file + if ( json.alphaMap !== undefined ) { - loader.load( url, function ( buffer ) { + material.alphaMap = getTexture( json.alphaMap ); + material.transparent = true; - var texDatas = scope._parser( buffer, true ); + } - if ( texDatas.isCubemap ) { + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; - var faces = texDatas.mipmaps.length / texDatas.mipmapCount; + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalScale !== undefined ) { - for ( var f = 0; f < faces; f ++ ) { + var normalScale = json.normalScale; - images[ f ] = { mipmaps : [] }; + if ( Array.isArray( normalScale ) === false ) { - for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { + // Blender exporter used to export a scalar. See #7459 - images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); - images[ f ].format = texDatas.format; - images[ f ].width = texDatas.width; - images[ f ].height = texDatas.height; + normalScale = [ normalScale, normalScale ]; - } + } - } + material.normalScale = new Vector2().fromArray( normalScale ); - } else { + } - texture.image.width = texDatas.width; - texture.image.height = texDatas.height; - texture.mipmaps = texDatas.mipmaps; + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; - } + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); - if ( texDatas.mipmapCount === 1 ) { + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; - texture.minFilter = LinearFilter; + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); - } + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); - texture.format = texDatas.format; - texture.needsUpdate = true; + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; - if ( onLoad ) onLoad( texture ); + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; - }, onProgress, onError ); + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; - } + // MultiMaterial - return texture; + if ( json.materials !== undefined ) { - }, + for ( var i = 0, l = json.materials.length; i < l; i ++ ) { - setPath: function ( value ) { + material.materials.push( this.parse( json.materials[ i ] ) ); - this.path = value; - return this; + } + + } + + return material; } } ); /** - * @author Nikos M. / https://github.com/foo123/ - * - * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + * @author mrdoob / http://mrdoob.com/ */ - var DataTextureLoader = BinaryTextureLoader; - function BinaryTextureLoader( manager ) { + function BufferGeometryLoader( manager ) { this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - // override in sub classes - this._parser = null; - } - Object.assign( BinaryTextureLoader.prototype, { + Object.assign( BufferGeometryLoader.prototype, { load: function ( url, onLoad, onProgress, onError ) { var scope = this; - var texture = new DataTexture(); + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - var loader = new XHRLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); + onLoad( scope.parse( JSON.parse( text ) ) ); - loader.load( url, function ( buffer ) { + }, onProgress, onError ); - var texData = scope._parser( buffer ); + }, - if ( ! texData ) return; + parse: function ( json ) { - if ( undefined !== texData.image ) { + var geometry = new BufferGeometry(); - texture.image = texData.image; + var index = json.data.index; - } else if ( undefined !== texData.data ) { + var TYPED_ARRAYS = { + 'Int8Array': Int8Array, + 'Uint8Array': Uint8Array, + 'Uint8ClampedArray': Uint8ClampedArray, + 'Int16Array': Int16Array, + 'Uint16Array': Uint16Array, + 'Int32Array': Int32Array, + 'Uint32Array': Uint32Array, + 'Float32Array': Float32Array, + 'Float64Array': Float64Array + }; - texture.image.width = texData.width; - texture.image.height = texData.height; - texture.image.data = texData.data; + if ( index !== undefined ) { - } + var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); - texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping; - texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping; + } - texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter; - texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter; + var attributes = json.data.attributes; - texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1; + for ( var key in attributes ) { - if ( undefined !== texData.format ) { + var attribute = attributes[ key ]; + var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); - texture.format = texData.format; + geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); - } - if ( undefined !== texData.type ) { + } - texture.type = texData.type; + var groups = json.data.groups || json.data.drawcalls || json.data.offsets; - } + if ( groups !== undefined ) { - if ( undefined !== texData.mipmaps ) { + for ( var i = 0, n = groups.length; i !== n; ++ i ) { - texture.mipmaps = texData.mipmaps; + var group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); } - if ( 1 === texData.mipmapCount ) { + } - texture.minFilter = LinearFilter; + var boundingSphere = json.data.boundingSphere; - } + if ( boundingSphere !== undefined ) { - texture.needsUpdate = true; + var center = new Vector3(); - if ( onLoad ) onLoad( texture, texData ); + if ( boundingSphere.center !== undefined ) { - }, onProgress, onError ); + center.fromArray( boundingSphere.center ); + } - return texture; + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + + } + + return geometry; } } ); /** - * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ */ - function ImageLoader( manager ) { + function Loader() { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.onLoadStart = function () {}; + this.onLoadProgress = function () {}; + this.onLoadComplete = function () {}; } - Object.assign( ImageLoader.prototype, { - - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; + Loader.prototype = { - var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); - image.onload = function () { + constructor: Loader, - image.onload = null; + crossOrigin: undefined, - URL.revokeObjectURL( image.src ); + extractUrlBase: function ( url ) { - if ( onLoad ) onLoad( image ); + var parts = url.split( '/' ); - scope.manager.itemEnd( url ); + if ( parts.length === 1 ) return './'; - }; - image.onerror = onError; + parts.pop(); - if ( url.indexOf( 'data:' ) === 0 ) { + return parts.join( '/' ) + '/'; - image.src = url; + }, - } else { + initMaterials: function ( materials, texturePath, crossOrigin ) { - var loader = new XHRLoader(); - loader.setPath( this.path ); - loader.setResponseType( 'blob' ); - loader.setWithCredentials( this.withCredentials ); - loader.load( url, function ( blob ) { + var array = []; - image.src = URL.createObjectURL( blob ); + for ( var i = 0; i < materials.length; ++ i ) { - }, onProgress, onError ); + array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin ); } - scope.manager.itemStart( url ); - - return image; - - }, - - setCrossOrigin: function ( value ) { - - this.crossOrigin = value; - return this; - - }, - - setWithCredentials: function ( value ) { - - this.withCredentials = value; - return this; + return array; }, - setPath: function ( value ) { + createMaterial: ( function () { - this.path = value; - return this; + var color, textureLoader, materialLoader; - } + return function createMaterial( m, texturePath, crossOrigin ) { - } ); + if ( color === undefined ) color = new Color(); + if ( textureLoader === undefined ) textureLoader = new TextureLoader(); + if ( materialLoader === undefined ) materialLoader = new MaterialLoader(); - /** - * @author mrdoob / http://mrdoob.com/ - */ + // convert from old material format - function CubeTextureLoader( manager ) { + var textures = {}; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + function loadTexture( path, repeat, offset, wrap, anisotropy ) { - } + var fullPath = texturePath + path; + var loader = Loader.Handlers.get( fullPath ); - Object.assign( CubeTextureLoader.prototype, { + var texture; - load: function ( urls, onLoad, onProgress, onError ) { + if ( loader !== null ) { - var texture = new CubeTexture(); + texture = loader.load( fullPath ); - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setPath( this.path ); + } else { - var loaded = 0; + textureLoader.setCrossOrigin( crossOrigin ); + texture = textureLoader.load( fullPath ); - function loadTexture( i ) { + } - loader.load( urls[ i ], function ( image ) { + if ( repeat !== undefined ) { - texture.images[ i ] = image; + texture.repeat.fromArray( repeat ); - loaded ++; + if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping; + if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping; - if ( loaded === 6 ) { + } - texture.needsUpdate = true; + if ( offset !== undefined ) { - if ( onLoad ) onLoad( texture ); + texture.offset.fromArray( offset ); } - }, undefined, onError ); - - } + if ( wrap !== undefined ) { - for ( var i = 0; i < urls.length; ++ i ) { + if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping; + if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping; - loadTexture( i ); + if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping; + if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping; - } + } - return texture; + if ( anisotropy !== undefined ) { - }, + texture.anisotropy = anisotropy; - setCrossOrigin: function ( value ) { + } - this.crossOrigin = value; - return this; + var uuid = _Math.generateUUID(); - }, + textures[ uuid ] = texture; - setPath: function ( value ) { + return uuid; - this.path = value; - return this; + } - } + // - } ); + var json = { + uuid: _Math.generateUUID(), + type: 'MeshLambertMaterial' + }; - /** - * @author mrdoob / http://mrdoob.com/ - */ + for ( var name in m ) { - function TextureLoader( manager ) { + var value = m[ name ]; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + switch ( name ) { + case 'DbgColor': + case 'DbgIndex': + case 'opticalDensity': + case 'illumination': + break; + case 'DbgName': + json.name = value; + break; + case 'blending': + json.blending = BlendingMode[ value ]; + break; + case 'colorAmbient': + case 'mapAmbient': + console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' ); + break; + case 'colorDiffuse': + json.color = color.fromArray( value ).getHex(); + break; + case 'colorSpecular': + json.specular = color.fromArray( value ).getHex(); + break; + case 'colorEmissive': + json.emissive = color.fromArray( value ).getHex(); + break; + case 'specularCoef': + json.shininess = value; + break; + case 'shading': + if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial'; + if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial'; + if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial'; + break; + case 'mapDiffuse': + json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy ); + break; + case 'mapDiffuseRepeat': + case 'mapDiffuseOffset': + case 'mapDiffuseWrap': + case 'mapDiffuseAnisotropy': + break; + case 'mapEmissive': + json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy ); + break; + case 'mapEmissiveRepeat': + case 'mapEmissiveOffset': + case 'mapEmissiveWrap': + case 'mapEmissiveAnisotropy': + break; + case 'mapLight': + json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy ); + break; + case 'mapLightRepeat': + case 'mapLightOffset': + case 'mapLightWrap': + case 'mapLightAnisotropy': + break; + case 'mapAO': + json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy ); + break; + case 'mapAORepeat': + case 'mapAOOffset': + case 'mapAOWrap': + case 'mapAOAnisotropy': + break; + case 'mapBump': + json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy ); + break; + case 'mapBumpScale': + json.bumpScale = value; + break; + case 'mapBumpRepeat': + case 'mapBumpOffset': + case 'mapBumpWrap': + case 'mapBumpAnisotropy': + break; + case 'mapNormal': + json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy ); + break; + case 'mapNormalFactor': + json.normalScale = [ value, value ]; + break; + case 'mapNormalRepeat': + case 'mapNormalOffset': + case 'mapNormalWrap': + case 'mapNormalAnisotropy': + break; + case 'mapSpecular': + json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy ); + break; + case 'mapSpecularRepeat': + case 'mapSpecularOffset': + case 'mapSpecularWrap': + case 'mapSpecularAnisotropy': + break; + case 'mapMetalness': + json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy ); + break; + case 'mapMetalnessRepeat': + case 'mapMetalnessOffset': + case 'mapMetalnessWrap': + case 'mapMetalnessAnisotropy': + break; + case 'mapRoughness': + json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy ); + break; + case 'mapRoughnessRepeat': + case 'mapRoughnessOffset': + case 'mapRoughnessWrap': + case 'mapRoughnessAnisotropy': + break; + case 'mapAlpha': + json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy ); + break; + case 'mapAlphaRepeat': + case 'mapAlphaOffset': + case 'mapAlphaWrap': + case 'mapAlphaAnisotropy': + break; + case 'flipSided': + json.side = BackSide; + break; + case 'doubleSided': + json.side = DoubleSide; + break; + case 'transparency': + console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' ); + json.opacity = value; + break; + case 'depthTest': + case 'depthWrite': + case 'colorWrite': + case 'opacity': + case 'reflectivity': + case 'transparent': + case 'visible': + case 'wireframe': + json[ name ] = value; + break; + case 'vertexColors': + if ( value === true ) json.vertexColors = VertexColors; + if ( value === 'face' ) json.vertexColors = FaceColors; + break; + default: + console.error( 'THREE.Loader.createMaterial: Unsupported', name, value ); + break; + } - } + } - Object.assign( TextureLoader.prototype, { + if ( json.type === 'MeshBasicMaterial' ) delete json.emissive; + if ( json.type !== 'MeshPhongMaterial' ) delete json.specular; - load: function ( url, onLoad, onProgress, onError ) { + if ( json.opacity < 1 ) json.transparent = true; - var texture = new Texture(); + materialLoader.setTextures( textures ); - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setWithCredentials( this.withCredentials ); - loader.setPath( this.path ); - loader.load( url, function ( image ) { + return materialLoader.parse( json ); - // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. - var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; + }; - texture.format = isJPEG ? RGBFormat : RGBAFormat; - texture.image = image; - texture.needsUpdate = true; + } )() - if ( onLoad !== undefined ) { + }; - onLoad( texture ); + Loader.Handlers = { - } + handlers: [], - }, onProgress, onError ); + add: function ( regex, loader ) { - return texture; + this.handlers.push( regex, loader ); }, - setCrossOrigin: function ( value ) { - - this.crossOrigin = value; - return this; + get: function ( file ) { - }, + var handlers = this.handlers; - setWithCredentials: function ( value ) { + for ( var i = 0, l = handlers.length; i < l; i += 2 ) { - this.withCredentials = value; - return this; + var regex = handlers[ i ]; + var loader = handlers[ i + 1 ]; - }, + if ( regex.test( file ) ) { - setPath: function ( value ) { + return loader; - this.path = value; - return this; + } - } + } + return null; + } - } ); + }; /** * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ */ - function Light( color, intensity ) { + function JSONLoader( manager ) { - Object3D.call( this ); + if ( typeof manager === 'boolean' ) { - this.type = 'Light'; + console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' ); + manager = undefined; - this.color = new Color( color ); - this.intensity = intensity !== undefined ? intensity : 1; + } - this.receiveShadow = undefined; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + this.withCredentials = false; } - Light.prototype = Object.assign( Object.create( Object3D.prototype ), { + Object.assign( JSONLoader.prototype, { - constructor: Light, + load: function( url, onLoad, onProgress, onError ) { - isLight: true, + var scope = this; - copy: function ( source ) { + var texturePath = this.texturePath && ( typeof this.texturePath === "string" ) ? this.texturePath : Loader.prototype.extractUrlBase( url ); - Object3D.prototype.copy.call( this, source ); + var loader = new XHRLoader( this.manager ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { - this.color.copy( source.color ); - this.intensity = source.intensity; + var json = JSON.parse( text ); + var metadata = json.metadata; - return this; + if ( metadata !== undefined ) { - }, + var type = metadata.type; - toJSON: function ( meta ) { + if ( type !== undefined ) { - var data = Object3D.prototype.toJSON.call( this, meta ); + if ( type.toLowerCase() === 'object' ) { - data.object.color = this.color.getHex(); - data.object.intensity = this.intensity; + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' ); + return; - if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + } - if ( this.distance !== undefined ) data.object.distance = this.distance; - if ( this.angle !== undefined ) data.object.angle = this.angle; - if ( this.decay !== undefined ) data.object.decay = this.decay; - if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + if ( type.toLowerCase() === 'scene' ) { - if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' ); + return; - return data; + } - } + } - } ); + } - /** - * @author alteredq / http://alteredqualia.com/ - */ + var object = scope.parse( json, texturePath ); + onLoad( object.geometry, object.materials ); - function HemisphereLight( skyColor, groundColor, intensity ) { + }, onProgress, onError ); - Light.call( this, skyColor, intensity ); + }, - this.type = 'HemisphereLight'; + setTexturePath: function ( value ) { - this.castShadow = undefined; + this.texturePath = value; - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + }, - this.groundColor = new Color( groundColor ); + parse: function ( json, texturePath ) { - } + var geometry = new Geometry(), + scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0; - HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { + parseModel( scale ); - constructor: HemisphereLight, + parseSkin(); + parseMorphing( scale ); + parseAnimations(); - isHemisphereLight: true, + geometry.computeFaceNormals(); + geometry.computeBoundingSphere(); - copy: function ( source ) { + function parseModel( scale ) { - Light.prototype.copy.call( this, source ); + function isBitSet( value, position ) { - this.groundColor.copy( source.groundColor ); + return value & ( 1 << position ); - return this; + } - } + var i, j, fi, - } ); + offset, zLength, - /** - * @author mrdoob / http://mrdoob.com/ - */ + colorIndex, normalIndex, uvIndex, materialIndex, - function LightShadow( camera ) { + type, + isQuad, + hasMaterial, + hasFaceVertexUv, + hasFaceNormal, hasFaceVertexNormal, + hasFaceColor, hasFaceVertexColor, - this.camera = camera; + vertex, face, faceA, faceB, hex, normal, - this.bias = 0; - this.radius = 1; + uvLayer, uv, u, v, - this.mapSize = new Vector2( 512, 512 ); + faces = json.faces, + vertices = json.vertices, + normals = json.normals, + colors = json.colors, - this.map = null; - this.matrix = new Matrix4(); + nUvLayers = 0; - } + if ( json.uvs !== undefined ) { - Object.assign( LightShadow.prototype, { + // disregard empty arrays - copy: function ( source ) { + for ( i = 0; i < json.uvs.length; i ++ ) { - this.camera = source.camera.clone(); + if ( json.uvs[ i ].length ) nUvLayers ++; - this.bias = source.bias; - this.radius = source.radius; + } - this.mapSize.copy( source.mapSize ); + for ( i = 0; i < nUvLayers; i ++ ) { - return this; + geometry.faceVertexUvs[ i ] = []; - }, + } - clone: function () { + } - return new this.constructor().copy( this ); + offset = 0; + zLength = vertices.length; - }, + while ( offset < zLength ) { - toJSON: function () { + vertex = new Vector3(); - var object = {}; + vertex.x = vertices[ offset ++ ] * scale; + vertex.y = vertices[ offset ++ ] * scale; + vertex.z = vertices[ offset ++ ] * scale; - if ( this.bias !== 0 ) object.bias = this.bias; - if ( this.radius !== 1 ) object.radius = this.radius; - if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + geometry.vertices.push( vertex ); - object.camera = this.camera.toJSON( false ).object; - delete object.camera.matrix; + } - return object; + offset = 0; + zLength = faces.length; - } + while ( offset < zLength ) { - } ); + type = faces[ offset ++ ]; - /** - * @author mrdoob / http://mrdoob.com/ - */ - function SpotLightShadow() { + isQuad = isBitSet( type, 0 ); + hasMaterial = isBitSet( type, 1 ); + hasFaceVertexUv = isBitSet( type, 3 ); + hasFaceNormal = isBitSet( type, 4 ); + hasFaceVertexNormal = isBitSet( type, 5 ); + hasFaceColor = isBitSet( type, 6 ); + hasFaceVertexColor = isBitSet( type, 7 ); - LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor); - } + if ( isQuad ) { - SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + faceA = new Face3(); + faceA.a = faces[ offset ]; + faceA.b = faces[ offset + 1 ]; + faceA.c = faces[ offset + 3 ]; - constructor: SpotLightShadow, + faceB = new Face3(); + faceB.a = faces[ offset + 1 ]; + faceB.b = faces[ offset + 2 ]; + faceB.c = faces[ offset + 3 ]; - isSpotLightShadow: true, + offset += 4; - update: function ( light ) { + if ( hasMaterial ) { - var fov = _Math.RAD2DEG * 2 * light.angle; - var aspect = this.mapSize.width / this.mapSize.height; - var far = light.distance || 500; + materialIndex = faces[ offset ++ ]; + faceA.materialIndex = materialIndex; + faceB.materialIndex = materialIndex; - var camera = this.camera; + } - if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + // to get face <=> uv index correspondence - camera.fov = fov; - camera.aspect = aspect; - camera.far = far; - camera.updateProjectionMatrix(); + fi = geometry.faces.length; - } + if ( hasFaceVertexUv ) { - } + for ( i = 0; i < nUvLayers; i ++ ) { - } ); + uvLayer = json.uvs[ i ]; - /** - * @author alteredq / http://alteredqualia.com/ - */ + geometry.faceVertexUvs[ i ][ fi ] = []; + geometry.faceVertexUvs[ i ][ fi + 1 ] = []; - function SpotLight( color, intensity, distance, angle, penumbra, decay ) { + for ( j = 0; j < 4; j ++ ) { - Light.call( this, color, intensity ); + uvIndex = faces[ offset ++ ]; - this.type = 'SpotLight'; + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + uv = new Vector2( u, v ); - this.target = new Object3D(); + if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv ); + if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv ); - Object.defineProperty( this, 'power', { - get: function () { - // intensity = power per solid angle. - // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - return this.intensity * Math.PI; - }, - set: function ( power ) { - // intensity = power per solid angle. - // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - this.intensity = power / Math.PI; - } - } ); + } - this.distance = ( distance !== undefined ) ? distance : 0; - this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; - this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + } - this.shadow = new SpotLightShadow(); + } - } + if ( hasFaceNormal ) { - SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { + normalIndex = faces[ offset ++ ] * 3; - constructor: SpotLight, + faceA.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - isSpotLight: true, + faceB.normal.copy( faceA.normal ); - copy: function ( source ) { + } - Light.prototype.copy.call( this, source ); + if ( hasFaceVertexNormal ) { - this.distance = source.distance; - this.angle = source.angle; - this.penumbra = source.penumbra; - this.decay = source.decay; + for ( i = 0; i < 4; i ++ ) { - this.target = source.target.clone(); + normalIndex = faces[ offset ++ ] * 3; - this.shadow = source.shadow.clone(); + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - return this; - } + if ( i !== 2 ) faceA.vertexNormals.push( normal ); + if ( i !== 0 ) faceB.vertexNormals.push( normal ); - } ); + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function PointLight( color, intensity, distance, decay ) { + if ( hasFaceColor ) { - Light.call( this, color, intensity ); + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; - this.type = 'PointLight'; + faceA.color.setHex( hex ); + faceB.color.setHex( hex ); - Object.defineProperty( this, 'power', { - get: function () { - // intensity = power per solid angle. - // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - return this.intensity * 4 * Math.PI; + } - }, - set: function ( power ) { - // intensity = power per solid angle. - // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - this.intensity = power / ( 4 * Math.PI ); - } - } ); - this.distance = ( distance !== undefined ) ? distance : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + if ( hasFaceVertexColor ) { - this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + for ( i = 0; i < 4; i ++ ) { - } + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; - PointLight.prototype = Object.assign( Object.create( Light.prototype ), { + if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) ); + if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) ); - constructor: PointLight, + } - isPointLight: true, + } - copy: function ( source ) { + geometry.faces.push( faceA ); + geometry.faces.push( faceB ); - Light.prototype.copy.call( this, source ); + } else { - this.distance = source.distance; - this.decay = source.decay; + face = new Face3(); + face.a = faces[ offset ++ ]; + face.b = faces[ offset ++ ]; + face.c = faces[ offset ++ ]; - this.shadow = source.shadow.clone(); + if ( hasMaterial ) { - return this; + materialIndex = faces[ offset ++ ]; + face.materialIndex = materialIndex; - } + } - } ); + // to get face <=> uv index correspondence - /** - * @author mrdoob / http://mrdoob.com/ - */ + fi = geometry.faces.length; - function DirectionalLightShadow( light ) { + if ( hasFaceVertexUv ) { - LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + for ( i = 0; i < nUvLayers; i ++ ) { - } + uvLayer = json.uvs[ i ]; - DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + geometry.faceVertexUvs[ i ][ fi ] = []; - constructor: DirectionalLightShadow + for ( j = 0; j < 3; j ++ ) { - } ); + uvIndex = faces[ offset ++ ]; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; - function DirectionalLight( color, intensity ) { + uv = new Vector2( u, v ); - Light.call( this, color, intensity ); + geometry.faceVertexUvs[ i ][ fi ].push( uv ); - this.type = 'DirectionalLight'; + } - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + } - this.target = new Object3D(); + } - this.shadow = new DirectionalLightShadow(); + if ( hasFaceNormal ) { - } + normalIndex = faces[ offset ++ ] * 3; - DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { + face.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - constructor: DirectionalLight, + } - isDirectionalLight: true, + if ( hasFaceVertexNormal ) { - copy: function ( source ) { + for ( i = 0; i < 3; i ++ ) { - Light.prototype.copy.call( this, source ); + normalIndex = faces[ offset ++ ] * 3; - this.target = source.target.clone(); + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - this.shadow = source.shadow.clone(); + face.vertexNormals.push( normal ); - return this; + } - } + } - } ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( hasFaceColor ) { - function AmbientLight( color, intensity ) { + colorIndex = faces[ offset ++ ]; + face.color.setHex( colors[ colorIndex ] ); - Light.call( this, color, intensity ); + } - this.type = 'AmbientLight'; - this.castShadow = undefined; + if ( hasFaceVertexColor ) { - } + for ( i = 0; i < 3; i ++ ) { - AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { + colorIndex = faces[ offset ++ ]; + face.vertexColors.push( new Color( colors[ colorIndex ] ) ); - constructor: AmbientLight, + } - isAmbientLight: true, + } - } ); + geometry.faces.push( face ); - /** - * @author tschw - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - */ + } - var AnimationUtils = { + } - // same as Array.prototype.slice, but also works on typed arrays - arraySlice: function( array, from, to ) { + } - if ( AnimationUtils.isTypedArray( array ) ) { + function parseSkin() { - return new array.constructor( array.subarray( from, to ) ); + var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2; - } + if ( json.skinWeights ) { - return array.slice( from, to ); + for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) { - }, + var x = json.skinWeights[ i ]; + var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0; + var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0; + var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0; - // converts an array to a specific type - convertArray: function( array, type, forceClone ) { + geometry.skinWeights.push( new Vector4( x, y, z, w ) ); - if ( ! array || // let 'undefined' and 'null' pass - ! forceClone && array.constructor === type ) return array; + } - if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + } - return new type( array ); // create typed array + if ( json.skinIndices ) { - } + for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) { - return Array.prototype.slice.call( array ); // create Array + var a = json.skinIndices[ i ]; + var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0; + var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0; + var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0; - }, + geometry.skinIndices.push( new Vector4( a, b, c, d ) ); - isTypedArray: function( object ) { + } - return ArrayBuffer.isView( object ) && - ! ( object instanceof DataView ); + } - }, + geometry.bones = json.bones; - // returns an array by which times and values can be sorted - getKeyframeOrder: function( times ) { + if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) { - function compareTime( i, j ) { + console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' + + geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' ); - return times[ i ] - times[ j ]; + } } - var n = times.length; - var result = new Array( n ); - for ( var i = 0; i !== n; ++ i ) result[ i ] = i; + function parseMorphing( scale ) { - result.sort( compareTime ); + if ( json.morphTargets !== undefined ) { - return result; + for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) { - }, + geometry.morphTargets[ i ] = {}; + geometry.morphTargets[ i ].name = json.morphTargets[ i ].name; + geometry.morphTargets[ i ].vertices = []; - // uses the array previously returned by 'getKeyframeOrder' to sort data - sortedArray: function( values, stride, order ) { + var dstVertices = geometry.morphTargets[ i ].vertices; + var srcVertices = json.morphTargets[ i ].vertices; - var nValues = values.length; - var result = new values.constructor( nValues ); + for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) { - for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + var vertex = new Vector3(); + vertex.x = srcVertices[ v ] * scale; + vertex.y = srcVertices[ v + 1 ] * scale; + vertex.z = srcVertices[ v + 2 ] * scale; - var srcOffset = order[ i ] * stride; + dstVertices.push( vertex ); - for ( var j = 0; j !== stride; ++ j ) { + } - result[ dstOffset ++ ] = values[ srcOffset + j ]; + } } - } + if ( json.morphColors !== undefined && json.morphColors.length > 0 ) { - return result; + console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' ); - }, + var faces = geometry.faces; + var morphColors = json.morphColors[ 0 ].colors; - // function for parsing AOS keyframe formats - flattenJSON: function( jsonKeys, times, values, valuePropertyName ) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - var i = 1, key = jsonKeys[ 0 ]; + faces[ i ].color.fromArray( morphColors, i * 3 ); - while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + } - key = jsonKeys[ i ++ ]; + } } - if ( key === undefined ) return; // no data + function parseAnimations() { - var value = key[ valuePropertyName ]; - if ( value === undefined ) return; // no data + var outputAnimations = []; - if ( Array.isArray( value ) ) { + // parse old style Bone/Hierarchy animations + var animations = []; - do { + if ( json.animation !== undefined ) { - value = key[ valuePropertyName ]; + animations.push( json.animation ); - if ( value !== undefined ) { + } - times.push( key.time ); - values.push.apply( values, value ); // push all elements + if ( json.animations !== undefined ) { - } + if ( json.animations.length ) { - key = jsonKeys[ i ++ ]; + animations = animations.concat( json.animations ); - } while ( key !== undefined ); + } else { - } else if ( value.toArray !== undefined ) { - // ...assume THREE.Math-ish + animations.push( json.animations ); - do { + } - value = key[ valuePropertyName ]; + } - if ( value !== undefined ) { + for ( var i = 0; i < animations.length; i ++ ) { - times.push( key.time ); - value.toArray( values, values.length ); + var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones ); + if ( clip ) outputAnimations.push( clip ); - } + } - key = jsonKeys[ i ++ ]; + // parse implicit morph animations + if ( geometry.morphTargets ) { - } while ( key !== undefined ); + // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary. + var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 ); + outputAnimations = outputAnimations.concat( morphAnimationClips ); - } else { - // otherwise push as-is + } - do { + if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations; - value = key[ valuePropertyName ]; + } - if ( value !== undefined ) { + if ( json.materials === undefined || json.materials.length === 0 ) { - times.push( key.time ); - values.push( value ); + return { geometry: geometry }; - } + } else { - key = jsonKeys[ i ++ ]; + var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin ); - } while ( key !== undefined ); + return { geometry: geometry, materials: materials }; } } - }; + } ); /** - * Abstract base class of interpolants over parametric samples. - * - * The parameter domain is one dimensional, typically the time or a path - * along a curve defined by the data. - * - * The sample values can have any dimensionality and derived classes may - * apply special interpretations to the data. - * - * This class provides the interval seek in a Template Method, deferring - * the actual interpolation to derived classes. - * - * Time complexity is O(1) for linear access crossing at most two points - * and O(log N) for random access, where N is the number of positions. - * - * References: - * - * http://www.oodesign.com/template-method-pattern.html - * - * @author tschw + * @author mrdoob / http://mrdoob.com/ */ - function Interpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - this.parameterPositions = parameterPositions; - this._cachedIndex = 0; + function ObjectLoader ( manager ) { - this.resultBuffer = resultBuffer !== undefined ? - resultBuffer : new sampleValues.constructor( sampleSize ); - this.sampleValues = sampleValues; - this.valueSize = sampleSize; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.texturePath = ''; } - Interpolant.prototype = { + Object.assign( ObjectLoader.prototype, { - constructor: Interpolant, + load: function ( url, onLoad, onProgress, onError ) { - evaluate: function( t ) { + if ( this.texturePath === '' ) { - var pp = this.parameterPositions, - i1 = this._cachedIndex, + this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 ); - t1 = pp[ i1 ], - t0 = pp[ i1 - 1 ]; + } - validate_interval: { + var scope = this; - seek: { + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - var right; + scope.parse( JSON.parse( text ), onLoad ); - linear_scan: { - //- See http://jsperf.com/comparison-to-undefined/3 - //- slower code: - //- - //- if ( t >= t1 || t1 === undefined ) { - forward_scan: if ( ! ( t < t1 ) ) { + }, onProgress, onError ); - for ( var giveUpAt = i1 + 2; ;) { + }, - if ( t1 === undefined ) { + setTexturePath: function ( value ) { - if ( t < t0 ) break forward_scan; + this.texturePath = value; - // after end + }, - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t, t0 ); + setCrossOrigin: function ( value ) { - } + this.crossOrigin = value; - if ( i1 === giveUpAt ) break; // this loop + }, - t0 = t1; - t1 = pp[ ++ i1 ]; + parse: function ( json, onLoad ) { - if ( t < t1 ) { + var geometries = this.parseGeometries( json.geometries ); - // we have arrived at the sought interval - break seek; + var images = this.parseImages( json.images, function () { - } + if ( onLoad !== undefined ) onLoad( object ); - } + } ); - // prepare binary search on the right side of the index - right = pp.length; - break linear_scan; + var textures = this.parseTextures( json.textures, images ); + var materials = this.parseMaterials( json.materials, textures ); - } + var object = this.parseObject( json.object, geometries, materials ); - //- slower code: - //- if ( t < t0 || t0 === undefined ) { - if ( ! ( t >= t0 ) ) { + if ( json.animations ) { - // looping? + object.animations = this.parseAnimations( json.animations ); - var t1global = pp[ 1 ]; + } - if ( t < t1global ) { + if ( json.images === undefined || json.images.length === 0 ) { - i1 = 2; // + 1, using the scan for the details - t0 = t1global; + if ( onLoad !== undefined ) onLoad( object ); - } + } - // linear reverse scan + return object; - for ( var giveUpAt = i1 - 2; ;) { + }, - if ( t0 === undefined ) { + parseGeometries: function ( json ) { - // before start + var geometries = {}; - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); + if ( json !== undefined ) { - } + var geometryLoader = new JSONLoader(); + var bufferGeometryLoader = new BufferGeometryLoader(); - if ( i1 === giveUpAt ) break; // this loop + for ( var i = 0, l = json.length; i < l; i ++ ) { - t1 = t0; - t0 = pp[ -- i1 - 1 ]; + var geometry; + var data = json[ i ]; - if ( t >= t0 ) { + switch ( data.type ) { - // we have arrived at the sought interval - break seek; + case 'PlaneGeometry': + case 'PlaneBufferGeometry': - } + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.widthSegments, + data.heightSegments + ); - } + break; - // prepare binary search on the left side of the index - right = i1; - i1 = 0; - break linear_scan; + case 'BoxGeometry': + case 'BoxBufferGeometry': + case 'CubeGeometry': // backwards compatible - } + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.depth, + data.widthSegments, + data.heightSegments, + data.depthSegments + ); - // the interval is valid + break; - break validate_interval; + case 'CircleGeometry': + case 'CircleBufferGeometry': - } // linear scan + geometry = new Geometries[ data.type ]( + data.radius, + data.segments, + data.thetaStart, + data.thetaLength + ); - // binary search + break; - while ( i1 < right ) { + case 'CylinderGeometry': + case 'CylinderBufferGeometry': - var mid = ( i1 + right ) >>> 1; + geometry = new Geometries[ data.type ]( + data.radiusTop, + data.radiusBottom, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); - if ( t < pp[ mid ] ) { + break; - right = mid; + case 'ConeGeometry': + case 'ConeBufferGeometry': - } else { + geometry = new Geometries[ data.type ]( + data.radius, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); - i1 = mid + 1; + break; - } + case 'SphereGeometry': + case 'SphereBufferGeometry': - } + geometry = new Geometries[ data.type ]( + data.radius, + data.widthSegments, + data.heightSegments, + data.phiStart, + data.phiLength, + data.thetaStart, + data.thetaLength + ); - t1 = pp[ i1 ]; - t0 = pp[ i1 - 1 ]; + break; - // check boundary cases, again + case 'DodecahedronGeometry': + case 'IcosahedronGeometry': + case 'OctahedronGeometry': + case 'TetrahedronGeometry': - if ( t0 === undefined ) { + geometry = new Geometries[ data.type ]( + data.radius, + data.detail + ); - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); + break; - } + case 'RingGeometry': + case 'RingBufferGeometry': - if ( t1 === undefined ) { + geometry = new Geometries[ data.type ]( + data.innerRadius, + data.outerRadius, + data.thetaSegments, + data.phiSegments, + data.thetaStart, + data.thetaLength + ); - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t0, t ); + break; - } + case 'TorusGeometry': + case 'TorusBufferGeometry': - } // seek + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.radialSegments, + data.tubularSegments, + data.arc + ); - this._cachedIndex = i1; + break; - this.intervalChanged_( i1, t0, t1 ); + case 'TorusKnotGeometry': + case 'TorusKnotBufferGeometry': - } // validate_interval + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.tubularSegments, + data.radialSegments, + data.p, + data.q + ); - return this.interpolate_( i1, t0, t, t1 ); + break; - }, + case 'LatheGeometry': + case 'LatheBufferGeometry': - settings: null, // optional, subclass-specific settings structure - // Note: The indirection allows central control of many interpolants. + geometry = new Geometries[ data.type ]( + data.points, + data.segments, + data.phiStart, + data.phiLength + ); - // --- Protected interface + break; - DefaultSettings_: {}, + case 'BufferGeometry': - getSettings_: function() { + geometry = bufferGeometryLoader.parse( data ); - return this.settings || this.DefaultSettings_; + break; - }, + case 'Geometry': - copySampleValue_: function( index ) { + geometry = geometryLoader.parse( data.data, this.texturePath ).geometry; - // copies a sample value to the result buffer + break; - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - offset = index * stride; + default: - for ( var i = 0; i !== stride; ++ i ) { + console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); - result[ i ] = values[ offset + i ]; + continue; - } + } - return result; + geometry.uuid = data.uuid; - }, + if ( data.name !== undefined ) geometry.name = data.name; - // Template methods for derived classes: + geometries[ data.uuid ] = geometry; - interpolate_: function( i1, t0, t, t1 ) { + } - throw new Error( "call to abstract method" ); - // implementations shall return this.resultBuffer + } + + return geometries; }, - intervalChanged_: function( i1, t0, t1 ) { + parseMaterials: function ( json, textures ) { - // empty + var materials = {}; - } + if ( json !== undefined ) { - }; + var loader = new MaterialLoader(); + loader.setTextures( textures ); - Object.assign( Interpolant.prototype, { + for ( var i = 0, l = json.length; i < l; i ++ ) { - beforeStart_: //( 0, t, t0 ), returns this.resultBuffer - Interpolant.prototype.copySampleValue_, + var material = loader.parse( json[ i ] ); + materials[ material.uuid ] = material; - afterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer - Interpolant.prototype.copySampleValue_ + } - } ); + } - /** - * Fast and simple cubic spline interpolant. - * - * It was derived from a Hermitian construction setting the first derivative - * at each sample position to the linear slope between neighboring positions - * over their parameter interval. - * - * @author tschw - */ + return materials; - function CubicInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + }, - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + parseAnimations: function ( json ) { - this._weightPrev = -0; - this._offsetPrev = -0; - this._weightNext = -0; - this._offsetNext = -0; + var animations = []; - } + for ( var i = 0; i < json.length; i ++ ) { - CubicInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + var clip = AnimationClip.parse( json[ i ] ); - constructor: CubicInterpolant, + animations.push( clip ); - DefaultSettings_: { + } - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding + return animations; }, - intervalChanged_: function( i1, t0, t1 ) { + parseImages: function ( json, onLoad ) { - var pp = this.parameterPositions, - iPrev = i1 - 2, - iNext = i1 + 1, + var scope = this; + var images = {}; - tPrev = pp[ iPrev ], - tNext = pp[ iNext ]; + function loadImage( url ) { - if ( tPrev === undefined ) { + scope.manager.itemStart( url ); - switch ( this.getSettings_().endingStart ) { + return loader.load( url, function () { - case ZeroSlopeEnding: + scope.manager.itemEnd( url ); - // f'(t0) = 0 - iPrev = i1; - tPrev = 2 * t0 - t1; + }, undefined, function () { - break; + scope.manager.itemError( url ); - case WrapAroundEnding: + } ); - // use the other end of the curve - iPrev = pp.length - 2; - tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + } - break; + if ( json !== undefined && json.length > 0 ) { - default: // ZeroCurvatureEnding + var manager = new LoadingManager( onLoad ); - // f''(t0) = 0 a.k.a. Natural Spline - iPrev = i1; - tPrev = t1; + var loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var image = json[ i ]; + var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url; + + images[ image.uuid ] = loadImage( path ); } } - if ( tNext === undefined ) { + return images; - switch ( this.getSettings_().endingEnd ) { + }, - case ZeroSlopeEnding: + parseTextures: function ( json, images ) { - // f'(tN) = 0 - iNext = i1; - tNext = 2 * t1 - t0; + function parseConstant( value, type ) { - break; + if ( typeof( value ) === 'number' ) return value; - case WrapAroundEnding: + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); - // use the other end of the curve - iNext = 1; - tNext = t1 + pp[ 1 ] - pp[ 0 ]; + return type[ value ]; - break; + } - default: // ZeroCurvatureEnding + var textures = {}; - // f''(tN) = 0, a.k.a. Natural Spline - iNext = i1 - 1; - tNext = t0; + if ( json !== undefined ) { - } + for ( var i = 0, l = json.length; i < l; i ++ ) { - } + var data = json[ i ]; - var halfDt = ( t1 - t0 ) * 0.5, - stride = this.valueSize; + if ( data.image === undefined ) { - this._weightPrev = halfDt / ( t0 - tPrev ); - this._weightNext = halfDt / ( tNext - t1 ); - this._offsetPrev = iPrev * stride; - this._offsetNext = iNext * stride; + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); - }, + } - interpolate_: function( i1, t0, t, t1 ) { + if ( images[ data.image ] === undefined ) { - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); - o1 = i1 * stride, o0 = o1 - stride, - oP = this._offsetPrev, oN = this._offsetNext, - wP = this._weightPrev, wN = this._weightNext, + } - p = ( t - t0 ) / ( t1 - t0 ), - pp = p * p, - ppp = pp * p; + var texture = new Texture( images[ data.image ] ); + texture.needsUpdate = true; - // evaluate polynomials + texture.uuid = data.uuid; - var sP = - wP * ppp + 2 * wP * pp - wP * p; - var s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; - var s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; - var sN = wN * ppp - wN * pp; + if ( data.name !== undefined ) texture.name = data.name; - // combine data linearly + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping ); - for ( var i = 0; i !== stride; ++ i ) { + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.wrap !== undefined ) { - result[ i ] = - sP * values[ oP + i ] + - s0 * values[ o0 + i ] + - s1 * values[ o1 + i ] + - sN * values[ oN + i ]; + texture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping ); - } + } - return result; + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; - } + if ( data.flipY !== undefined ) texture.flipY = data.flipY; - } ); + textures[ data.uuid ] = texture; - /** - * @author tschw - */ + } - function LinearInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + } - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + return textures; - } + }, - LinearInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + parseObject: function () { - constructor: LinearInterpolant, + var matrix = new Matrix4(); - interpolate_: function( i1, t0, t, t1 ) { + return function parseObject( data, geometries, materials ) { - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + var object; - offset1 = i1 * stride, - offset0 = offset1 - stride, + function getGeometry( name ) { - weight1 = ( t - t0 ) / ( t1 - t0 ), - weight0 = 1 - weight1; + if ( geometries[ name ] === undefined ) { - for ( var i = 0; i !== stride; ++ i ) { + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); - result[ i ] = - values[ offset0 + i ] * weight0 + - values[ offset1 + i ] * weight1; + } - } + return geometries[ name ]; - return result; + } - } + function getMaterial( name ) { - } ); + if ( name === undefined ) return undefined; - /** - * - * Interpolant that evaluates to the sample value at the position preceeding - * the parameter. - * - * @author tschw - */ + if ( materials[ name ] === undefined ) { - function DiscreteInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + console.warn( 'THREE.ObjectLoader: Undefined material', name ); - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + } - } + return materials[ name ]; - DiscreteInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + } - constructor: DiscreteInterpolant, + switch ( data.type ) { - interpolate_: function( i1, t0, t, t1 ) { + case 'Scene': - return this.copySampleValue_( i1 - 1 ); + object = new Scene(); - } + if ( data.background !== undefined ) { - } ); + if ( Number.isInteger( data.background ) ) { - var KeyframeTrackPrototype; + object.background = new Color( data.background ); - KeyframeTrackPrototype = { + } - TimeBufferType: Float32Array, - ValueBufferType: Float32Array, + } - DefaultInterpolation: InterpolateLinear, + if ( data.fog !== undefined ) { - InterpolantFactoryMethodDiscrete: function( result ) { + if ( data.fog.type === 'Fog' ) { - return new DiscreteInterpolant( - this.times, this.values, this.getValueSize(), result ); + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); - }, + } else if ( data.fog.type === 'FogExp2' ) { - InterpolantFactoryMethodLinear: function( result ) { + object.fog = new FogExp2( data.fog.color, data.fog.density ); - return new LinearInterpolant( - this.times, this.values, this.getValueSize(), result ); + } - }, + } - InterpolantFactoryMethodSmooth: function( result ) { + break; - return new CubicInterpolant( - this.times, this.values, this.getValueSize(), result ); + case 'PerspectiveCamera': - }, + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); - setInterpolation: function( interpolation ) { + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); - var factoryMethod; + break; - switch ( interpolation ) { + case 'OrthographicCamera': - case InterpolateDiscrete: + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); - factoryMethod = this.InterpolantFactoryMethodDiscrete; + break; - break; + case 'AmbientLight': - case InterpolateLinear: + object = new AmbientLight( data.color, data.intensity ); - factoryMethod = this.InterpolantFactoryMethodLinear; + break; - break; + case 'DirectionalLight': - case InterpolateSmooth: + object = new DirectionalLight( data.color, data.intensity ); - factoryMethod = this.InterpolantFactoryMethodSmooth; + break; - break; + case 'PointLight': - } + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); - if ( factoryMethod === undefined ) { + break; - var message = "unsupported interpolation for " + - this.ValueTypeName + " keyframe track named " + this.name; + case 'SpotLight': - if ( this.createInterpolant === undefined ) { + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); - // fall back to default, unless the default itself is messed up - if ( interpolation !== this.DefaultInterpolation ) { + break; - this.setInterpolation( this.DefaultInterpolation ); + case 'HemisphereLight': - } else { + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); - throw new Error( message ); // fatal, in this case + break; - } + case 'Mesh': - } + var geometry = getGeometry( data.geometry ); + var material = getMaterial( data.material ); - console.warn( message ); - return; + if ( geometry.bones && geometry.bones.length > 0 ) { - } + object = new SkinnedMesh( geometry, material ); - this.createInterpolant = factoryMethod; + } else { - }, + object = new Mesh( geometry, material ); - getInterpolation: function() { + } - switch ( this.createInterpolant ) { + break; - case this.InterpolantFactoryMethodDiscrete: + case 'LOD': - return InterpolateDiscrete; + object = new LOD(); - case this.InterpolantFactoryMethodLinear: + break; - return InterpolateLinear; + case 'Line': - case this.InterpolantFactoryMethodSmooth: + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); - return InterpolateSmooth; + break; - } + case 'LineSegments': - }, + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); - getValueSize: function() { + break; - return this.values.length / this.times.length; + case 'PointCloud': + case 'Points': - }, + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); - // move all keyframes either forwards or backwards in time - shift: function( timeOffset ) { + break; - if( timeOffset !== 0.0 ) { + case 'Sprite': - var times = this.times; + object = new Sprite( getMaterial( data.material ) ); - for( var i = 0, n = times.length; i !== n; ++ i ) { + break; - times[ i ] += timeOffset; + case 'Group': - } + object = new Group(); - } + break; - return this; + default: - }, + object = new Object3D(); - // scale all keyframe times by a factor (useful for frame <-> seconds conversions) - scale: function( timeScale ) { + } - if( timeScale !== 1.0 ) { + object.uuid = data.uuid; - var times = this.times; + if ( data.name !== undefined ) object.name = data.name; + if ( data.matrix !== undefined ) { - for( var i = 0, n = times.length; i !== n; ++ i ) { + matrix.fromArray( data.matrix ); + matrix.decompose( object.position, object.quaternion, object.scale ); - times[ i ] *= timeScale; + } else { - } + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); - } + } - return this; + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; - }, + if ( data.shadow ) { - // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. - // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values - trim: function( startTime, endTime ) { + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); - var times = this.times, - nKeys = times.length, - from = 0, - to = nKeys - 1; + } - while ( from !== nKeys && times[ from ] < startTime ) ++ from; - while ( to !== -1 && times[ to ] > endTime ) -- to; + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.userData !== undefined ) object.userData = data.userData; - ++ to; // inclusive -> exclusive bound + if ( data.children !== undefined ) { - if( from !== 0 || to !== nKeys ) { + for ( var child in data.children ) { - // empty tracks are forbidden, so keep at least one keyframe - if ( from >= to ) to = Math.max( to , 1 ), from = to - 1; + object.add( this.parseObject( data.children[ child ], geometries, materials ) ); - var stride = this.getValueSize(); - this.times = AnimationUtils.arraySlice( times, from, to ); - this.values = AnimationUtils. - arraySlice( this.values, from * stride, to * stride ); + } - } + } - return this; + if ( data.type === 'LOD' ) { - }, + var levels = data.levels; - // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable - validate: function() { + for ( var l = 0; l < levels.length; l ++ ) { - var valid = true; + var level = levels[ l ]; + var child = object.getObjectByProperty( 'uuid', level.object ); - var valueSize = this.getValueSize(); - if ( valueSize - Math.floor( valueSize ) !== 0 ) { + if ( child !== undefined ) { - console.error( "invalid value size in track", this ); - valid = false; + object.addLevel( child, level.distance ); - } + } - var times = this.times, - values = this.values, + } - nKeys = times.length; + } - if( nKeys === 0 ) { + return object; - console.error( "track is empty", this ); - valid = false; + }; - } + }() - var prevTime = null; + } ); - for( var i = 0; i !== nKeys; i ++ ) { + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Extensible curve object + * + * Some common of Curve methods + * .getPoint(t), getTangent(t) + * .getPointAt(u), getTangentAt(u) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following classes subclasses THREE.Curve: + * + * -- 2d classes -- + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.CubicBezierCurve + * THREE.SplineCurve + * THREE.ArcCurve + * THREE.EllipseCurve + * + * -- 3d classes -- + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * THREE.CubicBezierCurve3 + * THREE.SplineCurve3 + * + * A series of curves can be represented as a THREE.CurvePath + * + **/ - var currTime = times[ i ]; + /************************************************************** + * Abstract Curve base class + **************************************************************/ - if ( typeof currTime === 'number' && isNaN( currTime ) ) { + function Curve() {} - console.error( "time is not a valid number", this, i, currTime ); - valid = false; - break; + Curve.prototype = { - } + constructor: Curve, - if( prevTime !== null && prevTime > currTime ) { + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] - console.error( "out of order keys", this, i, currTime, prevTime ); - valid = false; - break; + getPoint: function ( t ) { - } + console.warn( "THREE.Curve: Warning, getPoint() not implemented!" ); + return null; - prevTime = currTime; + }, - } + // Get point at relative position in curve according to arc length + // - u [0 .. 1] - if ( values !== undefined ) { + getPointAt: function ( u ) { - if ( AnimationUtils.isTypedArray( values ) ) { + var t = this.getUtoTmapping( u ); + return this.getPoint( t ); - for ( var i = 0, n = values.length; i !== n; ++ i ) { + }, - var value = values[ i ]; + // Get sequence of points using getPoint( t ) - if ( isNaN( value ) ) { + getPoints: function ( divisions ) { - console.error( "value is not a valid number", this, i, value ); - valid = false; - break; + if ( ! divisions ) divisions = 5; - } + var points = []; - } + for ( var d = 0; d <= divisions; d ++ ) { - } + points.push( this.getPoint( d / divisions ) ); } - return valid; + return points; }, - // removes equivalent sequential keys as common in morph target sequences - // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) - optimize: function() { - - var times = this.times, - values = this.values, - stride = this.getValueSize(), + // Get sequence of points using getPointAt( u ) - smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + getSpacedPoints: function ( divisions ) { - writeIndex = 1, - lastIndex = times.length - 1; + if ( ! divisions ) divisions = 5; - for( var i = 1; i < lastIndex; ++ i ) { + var points = []; - var keep = false; + for ( var d = 0; d <= divisions; d ++ ) { - var time = times[ i ]; - var timeNext = times[ i + 1 ]; + points.push( this.getPointAt( d / divisions ) ); - // remove adjacent keyframes scheduled at the same time + } - if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { + return points; - if ( ! smoothInterpolation ) { + }, - // remove unnecessary keyframes same as their neighbors + // Get total curve arc length - var offset = i * stride, - offsetP = offset - stride, - offsetN = offset + stride; + getLength: function () { - for ( var j = 0; j !== stride; ++ j ) { + var lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; - var value = values[ offset + j ]; + }, - if ( value !== values[ offsetP + j ] || - value !== values[ offsetN + j ] ) { + // Get list of cumulative segment lengths - keep = true; - break; + getLengths: function ( divisions ) { - } + if ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200; - } + if ( this.cacheArcLengths + && ( this.cacheArcLengths.length === divisions + 1 ) + && ! this.needsUpdate ) { - } else keep = true; + //console.log( "cached", this.cacheArcLengths ); + return this.cacheArcLengths; - } + } - // in-place compaction + this.needsUpdate = false; - if ( keep ) { + var cache = []; + var current, last = this.getPoint( 0 ); + var p, sum = 0; - if ( i !== writeIndex ) { + cache.push( 0 ); - times[ writeIndex ] = times[ i ]; + for ( p = 1; p <= divisions; p ++ ) { - var readOffset = i * stride, - writeOffset = writeIndex * stride; + current = this.getPoint ( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; - for ( var j = 0; j !== stride; ++ j ) + } - values[ writeOffset + j ] = values[ readOffset + j ]; + this.cacheArcLengths = cache; - } + return cache; // { sums: cache, sum:sum }; Sum is in the last element. - ++ writeIndex; + }, - } + updateArcLengths: function() { - } + this.needsUpdate = true; + this.getLengths(); - // flush last keyframe (compaction looks ahead) + }, - if ( lastIndex > 0 ) { + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant - times[ writeIndex ] = times[ lastIndex ]; + getUtoTmapping: function ( u, distance ) { - for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) + var arcLengths = this.getLengths(); - values[ writeOffset + j ] = values[ readOffset + j ]; + var i = 0, il = arcLengths.length; - ++ writeIndex; + var targetArcLength; // The targeted u distance value to get - } + if ( distance ) { - if ( writeIndex !== times.length ) { + targetArcLength = distance; - this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); - this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); + } else { + + targetArcLength = u * arcLengths[ il - 1 ]; } - return this; + //var time = Date.now(); - } + // binary search for the index with largest value smaller than target u distance - }; + var low = 0, high = il - 1, comparison; - function KeyframeTrackConstructor( name, times, values, interpolation ) { + while ( low <= high ) { - if( name === undefined ) throw new Error( "track name is undefined" ); + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats - if( times === undefined || times.length === 0 ) { + comparison = arcLengths[ i ] - targetArcLength; - throw new Error( "no keyframes in track named " + name ); + if ( comparison < 0 ) { - } + low = i + 1; - this.name = name; + } else if ( comparison > 0 ) { - this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); - this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); + high = i - 1; - this.setInterpolation( interpolation || this.DefaultInterpolation ); + } else { - this.validate(); - this.optimize(); + high = i; + break; - } + // DONE - /** - * - * A Track of vectored keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + } - function VectorKeyframeTrack( name, times, values, interpolation ) { + } - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + i = high; - } + //console.log('b' , i, low, high, Date.now()- time); - VectorKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + if ( arcLengths[ i ] === targetArcLength ) { - constructor: VectorKeyframeTrack, + var t = i / ( il - 1 ); + return t; - ValueTypeName: 'vector' + } - // ValueBufferType is inherited + // we could get finer grain at lengths, or use simple interpolation between two points - // DefaultInterpolation is inherited + var lengthBefore = arcLengths[ i ]; + var lengthAfter = arcLengths[ i + 1 ]; - } ); + var segmentLength = lengthAfter - lengthBefore; - /** - * Spherical linear unit quaternion interpolant. - * - * @author tschw - */ + // determine where we are between the 'before' and 'after' points - function QuaternionLinearInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + // add that fractional amount to t - } + var t = ( i + segmentFraction ) / ( il - 1 ); - QuaternionLinearInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + return t; - constructor: QuaternionLinearInterpolant, + }, - interpolate_: function( i1, t0, t, t1 ) { + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + getTangent: function( t ) { - offset = i1 * stride, + var delta = 0.0001; + var t1 = t - delta; + var t2 = t + delta; - alpha = ( t - t0 ) / ( t1 - t0 ); + // Capping in case of danger - for ( var end = offset + stride; offset !== end; offset += 4 ) { + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; - Quaternion.slerpFlat( result, 0, - values, offset - stride, values, offset, alpha ); + var pt1 = this.getPoint( t1 ); + var pt2 = this.getPoint( t2 ); - } + var vec = pt2.clone().sub( pt1 ); + return vec.normalize(); - return result; + }, - } + getTangentAt: function ( u ) { - } ); + var t = this.getUtoTmapping( u ); + return this.getTangent( t ); - /** - * - * A Track of quaternion keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + }, - function QuaternionKeyframeTrack( name, times, values, interpolation ) { + computeFrenetFrames: function ( segments, closed ) { - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf - } + var normal = new Vector3(); - QuaternionKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + var tangents = []; + var normals = []; + var binormals = []; - constructor: QuaternionKeyframeTrack, + var vec = new Vector3(); + var mat = new Matrix4(); - ValueTypeName: 'quaternion', + var i, u, theta; - // ValueBufferType is inherited + // compute the tangent vectors for each segment on the curve - DefaultInterpolation: InterpolateLinear, + for ( i = 0; i <= segments; i ++ ) { - InterpolantFactoryMethodLinear: function( result ) { + u = i / segments; - return new QuaternionLinearInterpolant( - this.times, this.values, this.getValueSize(), result ); + tangents[ i ] = this.getTangentAt( u ); + tangents[ i ].normalize(); - }, + } - InterpolantFactoryMethodSmooth: undefined // not yet implemented + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component - } ); + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + var min = Number.MAX_VALUE; + var tx = Math.abs( tangents[ 0 ].x ); + var ty = Math.abs( tangents[ 0 ].y ); + var tz = Math.abs( tangents[ 0 ].z ); - /** - * - * A Track of numeric keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + if ( tx <= min ) { - function NumberKeyframeTrack( name, times, values, interpolation ) { + min = tx; + normal.set( 1, 0, 0 ); - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + } - } + if ( ty <= min ) { - NumberKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + min = ty; + normal.set( 0, 1, 0 ); - constructor: NumberKeyframeTrack, + } - ValueTypeName: 'number', + if ( tz <= min ) { - // ValueBufferType is inherited + normal.set( 0, 0, 1 ); - // DefaultInterpolation is inherited + } - } ); + vec.crossVectors( tangents[ 0 ], normal ).normalize(); - /** - * - * A Track that interpolates Strings - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); - function StringKeyframeTrack( name, times, values, interpolation ) { - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + // compute the slowly-varying normal and binormal vectors for each segment on the curve - } + for ( i = 1; i <= segments; i ++ ) { - StringKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + normals[ i ] = normals[ i - 1 ].clone(); - constructor: StringKeyframeTrack, + binormals[ i ] = binormals[ i - 1 ].clone(); - ValueTypeName: 'string', - ValueBufferType: Array, + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); - DefaultInterpolation: InterpolateDiscrete, + if ( vec.length() > Number.EPSILON ) { - InterpolantFactoryMethodLinear: undefined, + vec.normalize(); - InterpolantFactoryMethodSmooth: undefined + theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors - } ); + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); - /** - * - * A Track of Boolean keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + } - function BooleanKeyframeTrack( name, times, values ) { + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - KeyframeTrackConstructor.call( this, name, times, values ); + } - } + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same - BooleanKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + if ( closed === true ) { - constructor: BooleanKeyframeTrack, + theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; - ValueTypeName: 'bool', - ValueBufferType: Array, + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { - DefaultInterpolation: InterpolateDiscrete, + theta = - theta; - InterpolantFactoryMethodLinear: undefined, - InterpolantFactoryMethodSmooth: undefined + } - // Note: Actually this track could have a optimized / compressed - // representation of a single value and a custom interpolant that - // computes "firstValue ^ isOdd( index )". + for ( i = 1; i <= segments; i ++ ) { - } ); + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - /** - * - * A Track of keyframe values that represent color. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + } - function ColorKeyframeTrack( name, times, values, interpolation ) { + } - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; - } + } - ColorKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + }; - constructor: ColorKeyframeTrack, + // TODO: Transformation for Curves? - ValueTypeName: 'color' + /************************************************************** + * 3D Curves + **************************************************************/ - // ValueBufferType is inherited + // A Factory method for creating new curve subclasses - // DefaultInterpolation is inherited + Curve.create = function ( constructor, getPointFunc ) { + constructor.prototype = Object.create( Curve.prototype ); + constructor.prototype.constructor = constructor; + constructor.prototype.getPoint = getPointFunc; - // Note: Very basic implementation and nothing special yet. - // However, this is the place for color space parameterization. + return constructor; - } ); + }; - /** - * - * A timed sequence of keyframes for a specific property. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + /************************************************************** + * Line + **************************************************************/ - function KeyframeTrack( name, times, values, interpolation ) { + function LineCurve( v1, v2 ) { - KeyframeTrackConstructor.apply( this, arguments ); + this.v1 = v1; + this.v2 = v2; } - KeyframeTrack.prototype = KeyframeTrackPrototype; - KeyframeTrackPrototype.constructor = KeyframeTrack; - - // Static methods: + LineCurve.prototype = Object.create( Curve.prototype ); + LineCurve.prototype.constructor = LineCurve; - Object.assign( KeyframeTrack, { + LineCurve.prototype.isLineCurve = true; - // Serialization (in static context, because of constructor invocation - // and automatic invocation of .toJSON): + LineCurve.prototype.getPoint = function ( t ) { - parse: function( json ) { + if ( t === 1 ) { - if( json.type === undefined ) { + return this.v2.clone(); - throw new Error( "track type undefined, can not parse" ); + } - } + var point = this.v2.clone().sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); - var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type ); + return point; - if ( json.times === undefined ) { + }; - var times = [], values = []; + // Line curve is linear, so we can overwrite default getPointAt - AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); + LineCurve.prototype.getPointAt = function ( u ) { - json.times = times; - json.values = values; + return this.getPoint( u ); - } + }; - // derived classes can define a static parse method - if ( trackType.parse !== undefined ) { + LineCurve.prototype.getTangent = function( t ) { - return trackType.parse( json ); + var tangent = this.v2.clone().sub( this.v1 ); - } else { + return tangent.normalize(); - // by default, we asssume a constructor compatible with the base - return new trackType( - json.name, json.times, json.values, json.interpolation ); + }; - } + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + **/ - }, + /************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ - toJSON: function( track ) { + function CurvePath() { - var trackType = track.constructor; + this.curves = []; - var json; + this.autoClose = false; // Automatically closes the path - // derived classes can define a static toJSON method - if ( trackType.toJSON !== undefined ) { + } - json = trackType.toJSON( track ); + CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { - } else { + constructor: CurvePath, - // by default, we assume the data can be serialized as-is - json = { + add: function ( curve ) { - 'name': track.name, - 'times': AnimationUtils.convertArray( track.times, Array ), - 'values': AnimationUtils.convertArray( track.values, Array ) + this.curves.push( curve ); - }; + }, - var interpolation = track.getInterpolation(); + closePath: function () { - if ( interpolation !== track.DefaultInterpolation ) { + // Add a line curve if start and end of lines are not connected + var startPoint = this.curves[ 0 ].getPoint( 0 ); + var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); - json.interpolation = interpolation; + if ( ! startPoint.equals( endPoint ) ) { - } + this.curves.push( new LineCurve( endPoint, startPoint ) ); } - json.type = track.ValueTypeName; // mandatory + }, - return json; + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: - }, + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') - _getTrackTypeForValueTypeName: function( typeName ) { + getPoint: function ( t ) { - switch( typeName.toLowerCase() ) { + var d = t * this.getLength(); + var curveLengths = this.getCurveLengths(); + var i = 0; - case "scalar": - case "double": - case "float": - case "number": - case "integer": + // To think about boundaries points. - return NumberKeyframeTrack; + while ( i < curveLengths.length ) { - case "vector": - case "vector2": - case "vector3": - case "vector4": + if ( curveLengths[ i ] >= d ) { - return VectorKeyframeTrack; + var diff = curveLengths[ i ] - d; + var curve = this.curves[ i ]; - case "color": + var segmentLength = curve.getLength(); + var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; - return ColorKeyframeTrack; + return curve.getPointAt( u ); - case "quaternion": + } - return QuaternionKeyframeTrack; + i ++; - case "bool": - case "boolean": + } - return BooleanKeyframeTrack; + return null; - case "string": + // loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) { + + points.push( points[ 0 ] ); } - return new AnimationClip( json.name, json.duration, tracks ); + return points; }, + /************************************************************** + * Create Geometries Helpers + **************************************************************/ - toJSON: function( clip ) { + /// Generate geometry from path points (for Line or Points objects) - var tracks = [], - clipTracks = clip.tracks; + createPointsGeometry: function ( divisions ) { - var json = { + var pts = this.getPoints( divisions ); + return this.createGeometry( pts ); - 'name': clip.name, - 'duration': clip.duration, - 'tracks': tracks + }, - }; + // Generate geometry from equidistant sampling along the path - for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { + createSpacedPointsGeometry: function ( divisions ) { - tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + var pts = this.getSpacedPoints( divisions ); + return this.createGeometry( pts ); + + }, + + createGeometry: function ( points ) { + + var geometry = new Geometry(); + + for ( var i = 0, l = points.length; i < l; i ++ ) { + + var point = points[ i ]; + geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); } - return json; + return geometry; - }, + } + } ); - CreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) { + /************************************************************** + * Ellipse curve + **************************************************************/ - var numMorphTargets = morphTargetSequence.length; - var tracks = []; + function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - for ( var i = 0; i < numMorphTargets; i ++ ) { + this.aX = aX; + this.aY = aY; - var times = []; - var values = []; + this.xRadius = xRadius; + this.yRadius = yRadius; - times.push( - ( i + numMorphTargets - 1 ) % numMorphTargets, - i, - ( i + 1 ) % numMorphTargets ); + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; - values.push( 0, 1, 0 ); + this.aClockwise = aClockwise; - var order = AnimationUtils.getKeyframeOrder( times ); - times = AnimationUtils.sortedArray( times, 1, order ); - values = AnimationUtils.sortedArray( values, 1, order ); + this.aRotation = aRotation || 0; - // if there is a key at the first frame, duplicate it as the - // last frame as well for perfect loop. - if ( ! noLoop && times[ 0 ] === 0 ) { + } - times.push( numMorphTargets ); - values.push( values[ 0 ] ); + EllipseCurve.prototype = Object.create( Curve.prototype ); + EllipseCurve.prototype.constructor = EllipseCurve; - } + EllipseCurve.prototype.isEllipseCurve = true; - tracks.push( - new NumberKeyframeTrack( - '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', - times, values - ).scale( 1.0 / fps ) ); - } + EllipseCurve.prototype.getPoint = function( t ) { - return new AnimationClip( name, -1, tracks ); + var twoPi = Math.PI * 2; + var deltaAngle = this.aEndAngle - this.aStartAngle; + var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; - }, + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; - findByName: function( objectOrClipArray, name ) { + if ( deltaAngle < Number.EPSILON ) { - var clipArray = objectOrClipArray; + if ( samePoints ) { - if ( ! Array.isArray( objectOrClipArray ) ) { + deltaAngle = 0; - var o = objectOrClipArray; - clipArray = o.geometry && o.geometry.animations || o.animations; + } else { + + deltaAngle = twoPi; } - for ( var i = 0; i < clipArray.length; i ++ ) { + } - if ( clipArray[ i ].name === name ) { + if ( this.aClockwise === true && ! samePoints ) { - return clipArray[ i ]; + if ( deltaAngle === twoPi ) { + + deltaAngle = - twoPi; + + } else { + + deltaAngle = deltaAngle - twoPi; - } } - return null; + } - }, + var angle = this.aStartAngle + t * deltaAngle; + var x = this.aX + this.xRadius * Math.cos( angle ); + var y = this.aY + this.yRadius * Math.sin( angle ); - CreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) { + if ( this.aRotation !== 0 ) { - var animationToMorphTargets = {}; + var cos = Math.cos( this.aRotation ); + var sin = Math.sin( this.aRotation ); - // tested with https://regex101.com/ on trick sequences - // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 - var pattern = /^([\w-]*?)([\d]+)$/; + var tx = x - this.aX; + var ty = y - this.aY; - // sort morph target names into animation groups based - // patterns like Walk_001, Walk_002, Run_001, Run_002 - for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; - var morphTarget = morphTargets[ i ]; - var parts = morphTarget.name.match( pattern ); + } - if ( parts && parts.length > 1 ) { + return new Vector2( x, y ); - var name = parts[ 1 ]; + }; - var animationMorphTargets = animationToMorphTargets[ name ]; - if ( ! animationMorphTargets ) { + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + */ - animationToMorphTargets[ name ] = animationMorphTargets = []; + var CurveUtils = { - } + tangentQuadraticBezier: function ( t, p0, p1, p2 ) { - animationMorphTargets.push( morphTarget ); + return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 ); - } + }, - } + // Puay Bing, thanks for helping with this derivative! - var clips = []; + tangentCubicBezier: function ( t, p0, p1, p2, p3 ) { - for ( var name in animationToMorphTargets ) { + return - 3 * p0 * ( 1 - t ) * ( 1 - t ) + + 3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) + + 6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 + + 3 * t * t * p3; - clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + }, - } + tangentSpline: function ( t, p0, p1, p2, p3 ) { - return clips; + // To check if my formulas are correct + + var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1 + var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t + var h01 = - 6 * t * t + 6 * t; // − 2t3 + 3t2 + var h11 = 3 * t * t - 2 * t; // t3 − t2 + + return h00 + h10 + h01 + h11; }, - // parse the animation.hierarchy format - parseAnimation: function( animation, bones ) { + // Catmull-Rom - if ( ! animation ) { + interpolate: function( p0, p1, p2, p3, t ) { - console.error( " no animation in JSONLoader data" ); - return null; + var v0 = ( p2 - p0 ) * 0.5; + var v1 = ( p3 - p1 ) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; - } + } - var addNonemptyTrack = function( - trackType, trackName, animationKeys, propertyName, destTracks ) { + }; - // only return track if there are actually keys. - if ( animationKeys.length !== 0 ) { + /************************************************************** + * Spline curve + **************************************************************/ - var times = []; - var values = []; + function SplineCurve( points /* array of Vector2 */ ) { - AnimationUtils.flattenJSON( - animationKeys, times, values, propertyName ); + this.points = ( points === undefined ) ? [] : points; - // empty keys are filtered out, so check again - if ( times.length !== 0 ) { + } - destTracks.push( new trackType( trackName, times, values ) ); + SplineCurve.prototype = Object.create( Curve.prototype ); + SplineCurve.prototype.constructor = SplineCurve; - } + SplineCurve.prototype.isSplineCurve = true; - } + SplineCurve.prototype.getPoint = function ( t ) { - }; + var points = this.points; + var point = ( points.length - 1 ) * t; - var tracks = []; + var intPoint = Math.floor( point ); + var weight = point - intPoint; - var clipName = animation.name || 'default'; - // automatic length determination in AnimationClip. - var duration = animation.length || -1; - var fps = animation.fps || 30; + var point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - var hierarchyTracks = animation.hierarchy || []; + var interpolate = CurveUtils.interpolate; - for ( var h = 0; h < hierarchyTracks.length; h ++ ) { + return new Vector2( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ) + ); - var animationKeys = hierarchyTracks[ h ].keys; + }; - // skip empty tracks - if ( ! animationKeys || animationKeys.length === 0 ) continue; + /************************************************************** + * Cubic Bezier curve + **************************************************************/ - // process morph targets in a way exactly compatible - // with AnimationHandler.init( animation ) - if ( animationKeys[0].morphTargets ) { + function CubicBezierCurve( v0, v1, v2, v3 ) { - // figure out all morph targets used in this track - var morphTargetNames = {}; - for ( var k = 0; k < animationKeys.length; k ++ ) { + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; - if ( animationKeys[k].morphTargets ) { + } - for ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) { + CubicBezierCurve.prototype = Object.create( Curve.prototype ); + CubicBezierCurve.prototype.constructor = CubicBezierCurve; - morphTargetNames[ animationKeys[k].morphTargets[m] ] = -1; - } + CubicBezierCurve.prototype.getPoint = function ( t ) { - } + var b3 = ShapeUtils.b3; - } + return new Vector2( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ); - // create a track for each morph target with all zero - // morphTargetInfluences except for the keys in which - // the morphTarget is named. - for ( var morphTargetName in morphTargetNames ) { + }; - var times = []; - var values = []; + CubicBezierCurve.prototype.getTangent = function( t ) { - for ( var m = 0; - m !== animationKeys[k].morphTargets.length; ++ m ) { + var tangentCubicBezier = CurveUtils.tangentCubicBezier; - var animationKey = animationKeys[k]; + return new Vector2( + tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ).normalize(); - times.push( animationKey.time ); - values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + }; - } + /************************************************************** + * Quadratic Bezier curve + **************************************************************/ - tracks.push( new NumberKeyframeTrack( - '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); - } + function QuadraticBezierCurve( v0, v1, v2 ) { - duration = morphTargetNames.length * ( fps || 1.0 ); + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; - } else { - // ...assume skeletal animation + } - var boneName = '.bones[' + bones[ h ].name + ']'; + QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); + QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.position', - animationKeys, 'pos', tracks ); - addNonemptyTrack( - QuaternionKeyframeTrack, boneName + '.quaternion', - animationKeys, 'rot', tracks ); + QuadraticBezierCurve.prototype.getPoint = function ( t ) { - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.scale', - animationKeys, 'scl', tracks ); + var b2 = ShapeUtils.b2; - } + return new Vector2( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ) + ); - } + }; - if ( tracks.length === 0 ) { - return null; + QuadraticBezierCurve.prototype.getTangent = function( t ) { - } + var tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier; - var clip = new AnimationClip( clipName, duration, tracks ); + return new Vector2( + tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ), + tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y ) + ).normalize(); - return clip; + }; - } + var PathPrototype = Object.assign( Object.create( CurvePath.prototype ), { - } ); + fromPoints: function ( vectors ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y ); - function MaterialLoader( manager ) { + for ( var i = 1, l = vectors.length; i < l; i ++ ) { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - this.textures = {}; + this.lineTo( vectors[ i ].x, vectors[ i ].y ); - } + } - Object.assign( MaterialLoader.prototype, { + }, - load: function ( url, onLoad, onProgress, onError ) { + moveTo: function ( x, y ) { - var scope = this; + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + }, - onLoad( scope.parse( JSON.parse( text ) ) ); + lineTo: function ( x, y ) { - }, onProgress, onError ); + var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + + this.currentPoint.set( x, y ); }, - setTextures: function ( value ) { + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - this.textures = value; + var curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); }, - parse: function ( json ) { + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - var textures = this.textures; + var curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); - function getTexture( name ) { + this.curves.push( curve ); - if ( textures[ name ] === undefined ) { + this.currentPoint.set( aX, aY ); - console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + }, - } + splineThru: function ( pts /*Array of Vector*/ ) { - return textures[ name ]; + var npts = [ this.currentPoint.clone() ].concat( pts ); - } + var curve = new SplineCurve( npts ); + this.curves.push( curve ); - var material = new Materials[ json.type ](); + this.currentPoint.copy( pts[ pts.length - 1 ] ); - if ( json.uuid !== undefined ) material.uuid = json.uuid; - if ( json.name !== undefined ) material.name = json.name; - if ( json.color !== undefined ) material.color.setHex( json.color ); - if ( json.roughness !== undefined ) material.roughness = json.roughness; - if ( json.metalness !== undefined ) material.metalness = json.metalness; - if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); - if ( json.specular !== undefined ) material.specular.setHex( json.specular ); - if ( json.shininess !== undefined ) material.shininess = json.shininess; - if ( json.uniforms !== undefined ) material.uniforms = json.uniforms; - if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; - if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; - if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; - if ( json.fog !== undefined ) material.fog = json.fog; - if ( json.shading !== undefined ) material.shading = json.shading; - if ( json.blending !== undefined ) material.blending = json.blending; - if ( json.side !== undefined ) material.side = json.side; - if ( json.opacity !== undefined ) material.opacity = json.opacity; - if ( json.transparent !== undefined ) material.transparent = json.transparent; - if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; - if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; - if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; - if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; - if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; - if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; - if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; - if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; - if ( json.skinning !== undefined ) material.skinning = json.skinning; - if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; + }, - // for PointsMaterial + arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - if ( json.size !== undefined ) material.size = json.size; - if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; - // maps + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); - if ( json.map !== undefined ) material.map = getTexture( json.map ); + }, - if ( json.alphaMap !== undefined ) { + absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - material.alphaMap = getTexture( json.alphaMap ); - material.transparent = true; + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - } + }, - if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); - if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); - if ( json.normalScale !== undefined ) { + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; - var normalScale = json.normalScale; + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - if ( Array.isArray( normalScale ) === false ) { + }, - // Blender exporter used to export a scalar. See #7459 + absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - normalScale = [ normalScale, normalScale ]; + var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - } + if ( this.curves.length > 0 ) { - material.normalScale = new Vector2().fromArray( normalScale ); + // if a previous curve is present, attempt to join + var firstPoint = curve.getPoint( 0 ); + + if ( ! firstPoint.equals( this.currentPoint ) ) { + + this.lineTo( firstPoint.x, firstPoint.y ); + + } } - if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); - if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; - if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + this.curves.push( curve ); - if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); - if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + var lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); - if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); - if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + } - if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + } ); - if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Defines a 2d shape plane using paths. + **/ - if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + // STEP 1 Create a path. + // STEP 2 Turn path into shape. + // STEP 3 ExtrudeGeometry takes in Shape/Shapes + // STEP 3a - Extract points from each shape, turn to vertices + // STEP 3b - Triangulate each shape, add faces. - if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); - if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + function Shape() { - if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); - if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + Path.apply( this, arguments ); - // MultiMaterial + this.holes = []; - if ( json.materials !== undefined ) { + } - for ( var i = 0, l = json.materials.length; i < l; i ++ ) { + Shape.prototype = Object.assign( Object.create( PathPrototype ), { - material.materials.push( this.parse( json.materials[ i ] ) ); + constructor: Shape, - } + getPointsHoles: function ( divisions ) { + + var holesPts = []; + + for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); } - return material; + return holesPts; + + }, + + // Get points of shape and holes (keypoints based on segments parameter) + + extractAllPoints: function ( divisions ) { + + return { + + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + + }; + + }, + + extractPoints: function ( divisions ) { + + return this.extractAllPoints( divisions ); } } ); /** - * @author mrdoob / http://mrdoob.com/ - */ + * @author zz85 / http://www.lab4games.net/zz85/blog + * Creates free form 2d path using series of points, lines or curves. + * + **/ - function BufferGeometryLoader( manager ) { + function Path( points ) { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + CurvePath.call( this ); + this.currentPoint = new Vector2(); - } + if ( points ) { - Object.assign( BufferGeometryLoader.prototype, { + this.fromPoints( points ); - load: function ( url, onLoad, onProgress, onError ) { + } - var scope = this; + } - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + Path.prototype = PathPrototype; + PathPrototype.constructor = Path; - onLoad( scope.parse( JSON.parse( text ) ) ); - }, onProgress, onError ); + // minimal class for proxing functions to Path. Replaces old "extractSubpaths()" + function ShapePath() { + this.subPaths = []; + this.currentPath = null; + } + ShapePath.prototype = { + moveTo: function ( x, y ) { + this.currentPath = new Path(); + this.subPaths.push(this.currentPath); + this.currentPath.moveTo( x, y ); + }, + lineTo: function ( x, y ) { + this.currentPath.lineTo( x, y ); + }, + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + }, + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + }, + splineThru: function ( pts ) { + this.currentPath.splineThru( pts ); }, - parse: function ( json ) { + toShapes: function ( isCCW, noHoles ) { - var geometry = new BufferGeometry(); + function toShapesNoHoles( inSubpaths ) { - var index = json.data.index; + var shapes = []; - var TYPED_ARRAYS = { - 'Int8Array': Int8Array, - 'Uint8Array': Uint8Array, - 'Uint8ClampedArray': Uint8ClampedArray, - 'Int16Array': Int16Array, - 'Uint16Array': Uint16Array, - 'Int32Array': Int32Array, - 'Uint32Array': Uint32Array, - 'Float32Array': Float32Array, - 'Float64Array': Float64Array - }; + for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { - if ( index !== undefined ) { + var tmpPath = inSubpaths[ i ]; - var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); - geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + var tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + + shapes.push( tmpShape ); + + } + + return shapes; } - var attributes = json.data.attributes; + function isPointInsidePolygon( inPt, inPolygon ) { - for ( var key in attributes ) { + var polyLen = inPolygon.length; - var attribute = attributes[ key ]; - var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + var inside = false; + for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { - geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); + var edgeLowPt = inPolygon[ p ]; + var edgeHighPt = inPolygon[ q ]; - } + var edgeDx = edgeHighPt.x - edgeLowPt.x; + var edgeDy = edgeHighPt.y - edgeLowPt.y; - var groups = json.data.groups || json.data.drawcalls || json.data.offsets; + if ( Math.abs( edgeDy ) > Number.EPSILON ) { - if ( groups !== undefined ) { + // not parallel + if ( edgeDy < 0 ) { - for ( var i = 0, n = groups.length; i !== n; ++ i ) { + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; - var group = groups[ i ]; + } + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; - geometry.addGroup( group.start, group.count, group.materialIndex ); + if ( inPt.y === edgeLowPt.y ) { - } + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! - } + } else { - var boundingSphere = json.data.boundingSphere; + var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt - if ( boundingSphere !== undefined ) { + } - var center = new Vector3(); + } else { - if ( boundingSphere.center !== undefined ) { + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; - center.fromArray( boundingSphere.center ); + } } - geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + return inside; } - return geometry; + var isClockWise = ShapeUtils.isClockWise; - } + var subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; - } ); + if ( noHoles === true ) return toShapesNoHoles( subPaths ); - /** - * @author alteredq / http://alteredqualia.com/ - */ - function Loader() { + var solid, tmpPath, tmpShape, shapes = []; - this.onLoadStart = function () {}; - this.onLoadProgress = function () {}; - this.onLoadComplete = function () {}; + if ( subPaths.length === 1 ) { - } + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; - Loader.prototype = { + } - constructor: Loader, + var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; - crossOrigin: undefined, + // console.log("Holes first", holesFirst); - extractUrlBase: function ( url ) { + var betterShapeHoles = []; + var newShapes = []; + var newShapeHoles = []; + var mainIdx = 0; + var tmpPoints; - var parts = url.split( '/' ); + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; - if ( parts.length === 1 ) return './'; + for ( var i = 0, l = subPaths.length; i < l; i ++ ) { - parts.pop(); + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; - return parts.join( '/' ) + '/'; + if ( solid ) { - }, + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; - initMaterials: function ( materials, texturePath, crossOrigin ) { + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; - var array = []; + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; - for ( var i = 0; i < materials.length; ++ i ) { + //console.log('cw', i); - array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin ); + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); + + } } - return array; + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); - }, - createMaterial: ( function () { + if ( newShapes.length > 1 ) { - var color, textureLoader, materialLoader; + var ambiguous = false; + var toChange = []; - return function createMaterial( m, texturePath, crossOrigin ) { + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - if ( color === undefined ) color = new Color(); - if ( textureLoader === undefined ) textureLoader = new TextureLoader(); - if ( materialLoader === undefined ) materialLoader = new MaterialLoader(); + betterShapeHoles[ sIdx ] = []; - // convert from old material format + } - var textures = {}; + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - function loadTexture( path, repeat, offset, wrap, anisotropy ) { + var sho = newShapeHoles[ sIdx ]; - var fullPath = texturePath + path; - var loader = Loader.Handlers.get( fullPath ); + for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { - var texture; + var ho = sho[ hIdx ]; + var hole_unassigned = true; - if ( loader !== null ) { + for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { - texture = loader.load( fullPath ); + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { - } else { + if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); + if ( hole_unassigned ) { - textureLoader.setCrossOrigin( crossOrigin ); - texture = textureLoader.load( fullPath ); + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); - } + } else { - if ( repeat !== undefined ) { + ambiguous = true; - texture.repeat.fromArray( repeat ); + } - if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping; - if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping; + } - } + } + if ( hole_unassigned ) { - if ( offset !== undefined ) { + betterShapeHoles[ sIdx ].push( ho ); - texture.offset.fromArray( offset ); + } } - if ( wrap !== undefined ) { + } + // console.log("ambiguous: ", ambiguous); + if ( toChange.length > 0 ) { - if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping; - if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping; + // console.log("to change: ", toChange); + if ( ! ambiguous ) newShapeHoles = betterShapeHoles; - if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping; - if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping; + } - } + } - if ( anisotropy !== undefined ) { + var tmpHoles; - texture.anisotropy = anisotropy; + for ( var i = 0, il = newShapes.length; i < il; i ++ ) { - } + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; - var uuid = _Math.generateUUID(); + for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { - textures[ uuid ] = texture; + tmpShape.holes.push( tmpHoles[ j ].h ); - return uuid; + } + + } + + //console.log("shape", shapes); + + return shapes; + + } + }; + + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author mrdoob / http://mrdoob.com/ + */ + + function Font( data ) { + + this.data = data; + + } + + Object.assign( Font.prototype, { + + isFont: true, + + generateShapes: function ( text, size, divisions ) { + + function createPaths( text ) { + + var chars = String( text ).split( '' ); + var scale = size / data.resolution; + var offset = 0; + + var paths = []; + + for ( var i = 0; i < chars.length; i ++ ) { + + var ret = createPath( chars[ i ], scale, offset ); + offset += ret.offset; + + paths.push( ret.path ); } - // + return paths; - var json = { - uuid: _Math.generateUUID(), - type: 'MeshLambertMaterial' - }; + } - for ( var name in m ) { + function createPath( c, scale, offset ) { - var value = m[ name ]; + var glyph = data.glyphs[ c ] || data.glyphs[ '?' ]; - switch ( name ) { - case 'DbgColor': - case 'DbgIndex': - case 'opticalDensity': - case 'illumination': - break; - case 'DbgName': - json.name = value; - break; - case 'blending': - json.blending = BlendingMode[ value ]; - break; - case 'colorAmbient': - case 'mapAmbient': - console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' ); - break; - case 'colorDiffuse': - json.color = color.fromArray( value ).getHex(); - break; - case 'colorSpecular': - json.specular = color.fromArray( value ).getHex(); - break; - case 'colorEmissive': - json.emissive = color.fromArray( value ).getHex(); - break; - case 'specularCoef': - json.shininess = value; - break; - case 'shading': - if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial'; - if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial'; - if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial'; - break; - case 'mapDiffuse': - json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy ); - break; - case 'mapDiffuseRepeat': - case 'mapDiffuseOffset': - case 'mapDiffuseWrap': - case 'mapDiffuseAnisotropy': - break; - case 'mapEmissive': - json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy ); - break; - case 'mapEmissiveRepeat': - case 'mapEmissiveOffset': - case 'mapEmissiveWrap': - case 'mapEmissiveAnisotropy': - break; - case 'mapLight': - json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy ); - break; - case 'mapLightRepeat': - case 'mapLightOffset': - case 'mapLightWrap': - case 'mapLightAnisotropy': - break; - case 'mapAO': - json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy ); - break; - case 'mapAORepeat': - case 'mapAOOffset': - case 'mapAOWrap': - case 'mapAOAnisotropy': - break; - case 'mapBump': - json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy ); - break; - case 'mapBumpScale': - json.bumpScale = value; - break; - case 'mapBumpRepeat': - case 'mapBumpOffset': - case 'mapBumpWrap': - case 'mapBumpAnisotropy': - break; - case 'mapNormal': - json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy ); - break; - case 'mapNormalFactor': - json.normalScale = [ value, value ]; - break; - case 'mapNormalRepeat': - case 'mapNormalOffset': - case 'mapNormalWrap': - case 'mapNormalAnisotropy': - break; - case 'mapSpecular': - json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy ); - break; - case 'mapSpecularRepeat': - case 'mapSpecularOffset': - case 'mapSpecularWrap': - case 'mapSpecularAnisotropy': - break; - case 'mapMetalness': - json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy ); - break; - case 'mapMetalnessRepeat': - case 'mapMetalnessOffset': - case 'mapMetalnessWrap': - case 'mapMetalnessAnisotropy': - break; - case 'mapRoughness': - json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy ); - break; - case 'mapRoughnessRepeat': - case 'mapRoughnessOffset': - case 'mapRoughnessWrap': - case 'mapRoughnessAnisotropy': - break; - case 'mapAlpha': - json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy ); - break; - case 'mapAlphaRepeat': - case 'mapAlphaOffset': - case 'mapAlphaWrap': - case 'mapAlphaAnisotropy': - break; - case 'flipSided': - json.side = BackSide; - break; - case 'doubleSided': - json.side = DoubleSide; - break; - case 'transparency': - console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' ); - json.opacity = value; - break; - case 'depthTest': - case 'depthWrite': - case 'colorWrite': - case 'opacity': - case 'reflectivity': - case 'transparent': - case 'visible': - case 'wireframe': - json[ name ] = value; - break; - case 'vertexColors': - if ( value === true ) json.vertexColors = VertexColors; - if ( value === 'face' ) json.vertexColors = FaceColors; - break; - default: - console.error( 'THREE.Loader.createMaterial: Unsupported', name, value ); - break; - } + if ( ! glyph ) return; - } + var path = new ShapePath(); - if ( json.type === 'MeshBasicMaterial' ) delete json.emissive; - if ( json.type !== 'MeshPhongMaterial' ) delete json.specular; + var pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3; + var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste; - if ( json.opacity < 1 ) json.transparent = true; + if ( glyph.o ) { - materialLoader.setTextures( textures ); + var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); - return materialLoader.parse( json ); + for ( var i = 0, l = outline.length; i < l; ) { - }; + var action = outline[ i ++ ]; - } )() + switch ( action ) { - }; + case 'm': // moveTo - Loader.Handlers = { + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; - handlers: [], + path.moveTo( x, y ); - add: function ( regex, loader ) { + break; - this.handlers.push( regex, loader ); + case 'l': // lineTo - }, + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; - get: function ( file ) { + path.lineTo( x, y ); - var handlers = this.handlers; + break; - for ( var i = 0, l = handlers.length; i < l; i += 2 ) { + case 'q': // quadraticCurveTo - var regex = handlers[ i ]; - var loader = handlers[ i + 1 ]; + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; - if ( regex.test( file ) ) { + path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); - return loader; + laste = pts[ pts.length - 1 ]; - } + if ( laste ) { - } + cpx0 = laste.x; + cpy0 = laste.y; - return null; + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { - } + var t = i2 / divisions; + b2( t, cpx0, cpx1, cpx ); + b2( t, cpy0, cpy1, cpy ); - }; + } - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + } - function JSONLoader( manager ) { + break; - if ( typeof manager === 'boolean' ) { + case 'b': // bezierCurveTo - console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' ); - manager = undefined; + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; + cpx2 = outline[ i ++ ] * scale + offset; + cpy2 = outline[ i ++ ] * scale; - } + path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + laste = pts[ pts.length - 1 ]; - this.withCredentials = false; + if ( laste ) { - } + cpx0 = laste.x; + cpy0 = laste.y; - Object.assign( JSONLoader.prototype, { + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { - load: function( url, onLoad, onProgress, onError ) { + var t = i2 / divisions; + b3( t, cpx0, cpx1, cpx2, cpx ); + b3( t, cpy0, cpy1, cpy2, cpy ); - var scope = this; + } - var texturePath = this.texturePath && ( typeof this.texturePath === "string" ) ? this.texturePath : Loader.prototype.extractUrlBase( url ); + } - var loader = new XHRLoader( this.manager ); - loader.setWithCredentials( this.withCredentials ); - loader.load( url, function ( text ) { + break; - var json = JSON.parse( text ); - var metadata = json.metadata; + } - if ( metadata !== undefined ) { + } - var type = metadata.type; + } - if ( type !== undefined ) { + return { offset: glyph.ha * scale, path: path }; - if ( type.toLowerCase() === 'object' ) { + } - console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' ); - return; + // - } + if ( size === undefined ) size = 100; + if ( divisions === undefined ) divisions = 4; - if ( type.toLowerCase() === 'scene' ) { + var data = this.data; - console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' ); - return; + var paths = createPaths( text ); + var shapes = []; - } + for ( var p = 0, pl = paths.length; p < pl; p ++ ) { - } + Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); - } + } - var object = scope.parse( json, texturePath ); - onLoad( object.geometry, object.materials ); + return shapes; - }, onProgress, onError ); + } - }, + } ); - setTexturePath: function ( value ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - this.texturePath = value; + function FontLoader( manager ) { - }, + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - parse: function ( json, texturePath ) { + } - var geometry = new Geometry(), - scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0; + Object.assign( FontLoader.prototype, { - parseModel( scale ); + load: function ( url, onLoad, onProgress, onError ) { - parseSkin(); - parseMorphing( scale ); - parseAnimations(); + var scope = this; - geometry.computeFaceNormals(); - geometry.computeBoundingSphere(); + var loader = new XHRLoader( this.manager ); + loader.load( url, function ( text ) { - function parseModel( scale ) { + var json; - function isBitSet( value, position ) { + try { - return value & ( 1 << position ); + json = JSON.parse( text ); - } + } catch ( e ) { - var i, j, fi, + console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); + json = JSON.parse( text.substring( 65, text.length - 2 ) ); - offset, zLength, + } - colorIndex, normalIndex, uvIndex, materialIndex, + var font = scope.parse( json ); - type, - isQuad, - hasMaterial, - hasFaceVertexUv, - hasFaceNormal, hasFaceVertexNormal, - hasFaceColor, hasFaceVertexColor, + if ( onLoad ) onLoad( font ); - vertex, face, faceA, faceB, hex, normal, + }, onProgress, onError ); - uvLayer, uv, u, v, + }, - faces = json.faces, - vertices = json.vertices, - normals = json.normals, - colors = json.colors, + parse: function ( json ) { - nUvLayers = 0; + return new Font( json ); - if ( json.uvs !== undefined ) { + } - // disregard empty arrays + } ); - for ( i = 0; i < json.uvs.length; i ++ ) { + var context; - if ( json.uvs[ i ].length ) nUvLayers ++; + function getAudioContext() { - } + if ( context === undefined ) { - for ( i = 0; i < nUvLayers; i ++ ) { + context = new ( window.AudioContext || window.webkitAudioContext )(); - geometry.faceVertexUvs[ i ] = []; + } - } + return context; - } + } - offset = 0; - zLength = vertices.length; + /** + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ - while ( offset < zLength ) { + function AudioLoader( manager ) { - vertex = new Vector3(); + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - vertex.x = vertices[ offset ++ ] * scale; - vertex.y = vertices[ offset ++ ] * scale; - vertex.z = vertices[ offset ++ ] * scale; + } - geometry.vertices.push( vertex ); + Object.assign( AudioLoader.prototype, { - } + load: function ( url, onLoad, onProgress, onError ) { - offset = 0; - zLength = faces.length; + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.load( url, function ( buffer ) { - while ( offset < zLength ) { + var context = getAudioContext(); - type = faces[ offset ++ ]; + context.decodeAudioData( buffer, function ( audioBuffer ) { + onLoad( audioBuffer ); - isQuad = isBitSet( type, 0 ); - hasMaterial = isBitSet( type, 1 ); - hasFaceVertexUv = isBitSet( type, 3 ); - hasFaceNormal = isBitSet( type, 4 ); - hasFaceVertexNormal = isBitSet( type, 5 ); - hasFaceColor = isBitSet( type, 6 ); - hasFaceVertexColor = isBitSet( type, 7 ); + } ); - // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor); + }, onProgress, onError ); - if ( isQuad ) { + } - faceA = new Face3(); - faceA.a = faces[ offset ]; - faceA.b = faces[ offset + 1 ]; - faceA.c = faces[ offset + 3 ]; + } ); - faceB = new Face3(); - faceB.a = faces[ offset + 1 ]; - faceB.b = faces[ offset + 2 ]; - faceB.c = faces[ offset + 3 ]; + /** + * @author mrdoob / http://mrdoob.com/ + */ - offset += 4; + function StereoCamera() { - if ( hasMaterial ) { + this.type = 'StereoCamera'; - materialIndex = faces[ offset ++ ]; - faceA.materialIndex = materialIndex; - faceB.materialIndex = materialIndex; + this.aspect = 1; - } + this.eyeSep = 0.064; - // to get face <=> uv index correspondence + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; - fi = geometry.faces.length; + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; - if ( hasFaceVertexUv ) { + } - for ( i = 0; i < nUvLayers; i ++ ) { + Object.assign( StereoCamera.prototype, { - uvLayer = json.uvs[ i ]; + update: ( function () { - geometry.faceVertexUvs[ i ][ fi ] = []; - geometry.faceVertexUvs[ i ][ fi + 1 ] = []; + var instance, focus, fov, aspect, near, far, zoom; - for ( j = 0; j < 4; j ++ ) { + var eyeRight = new Matrix4(); + var eyeLeft = new Matrix4(); - uvIndex = faces[ offset ++ ]; + return function update( camera ) { - u = uvLayer[ uvIndex * 2 ]; - v = uvLayer[ uvIndex * 2 + 1 ]; + var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov || + aspect !== camera.aspect * this.aspect || near !== camera.near || + far !== camera.far || zoom !== camera.zoom; - uv = new Vector2( u, v ); + if ( needsUpdate ) { - if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv ); - if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv ); + instance = this; + focus = camera.focus; + fov = camera.fov; + aspect = camera.aspect * this.aspect; + near = camera.near; + far = camera.far; + zoom = camera.zoom; - } + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ - } + var projectionMatrix = camera.projectionMatrix.clone(); + var eyeSep = this.eyeSep / 2; + var eyeSepOnProjection = eyeSep * near / focus; + var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom; + var xmin, xmax; - } + // translate xOffset - if ( hasFaceNormal ) { + eyeLeft.elements[ 12 ] = - eyeSep; + eyeRight.elements[ 12 ] = eyeSep; - normalIndex = faces[ offset ++ ] * 3; + // for left eye - faceA.normal.set( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + xmin = - ymax * aspect + eyeSepOnProjection; + xmax = ymax * aspect + eyeSepOnProjection; - faceB.normal.copy( faceA.normal ); + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - } + this.cameraL.projectionMatrix.copy( projectionMatrix ); - if ( hasFaceVertexNormal ) { + // for right eye - for ( i = 0; i < 4; i ++ ) { + xmin = - ymax * aspect - eyeSepOnProjection; + xmax = ymax * aspect - eyeSepOnProjection; - normalIndex = faces[ offset ++ ] * 3; + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - normal = new Vector3( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + this.cameraR.projectionMatrix.copy( projectionMatrix ); + } - if ( i !== 2 ) faceA.vertexNormals.push( normal ); - if ( i !== 0 ) faceB.vertexNormals.push( normal ); + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight ); - } + }; - } + } )() + } ); - if ( hasFaceColor ) { + /** + * Camera for rendering cube maps + * - renders scene into axis-aligned cube + * + * @author alteredq / http://alteredqualia.com/ + */ - colorIndex = faces[ offset ++ ]; - hex = colors[ colorIndex ]; + function CubeCamera( near, far, cubeResolution ) { - faceA.color.setHex( hex ); - faceB.color.setHex( hex ); + Object3D.call( this ); - } + this.type = 'CubeCamera'; + var fov = 90, aspect = 1; - if ( hasFaceVertexColor ) { + var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); + this.add( cameraPX ); - for ( i = 0; i < 4; i ++ ) { + var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); + this.add( cameraNX ); - colorIndex = faces[ offset ++ ]; - hex = colors[ colorIndex ]; + var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); + this.add( cameraPY ); - if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) ); - if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) ); + var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); + this.add( cameraNY ); - } + var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); + this.add( cameraPZ ); - } + var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); + this.add( cameraNZ ); - geometry.faces.push( faceA ); - geometry.faces.push( faceB ); - - } else { + var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; - face = new Face3(); - face.a = faces[ offset ++ ]; - face.b = faces[ offset ++ ]; - face.c = faces[ offset ++ ]; + this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); - if ( hasMaterial ) { + this.updateCubeMap = function ( renderer, scene ) { - materialIndex = faces[ offset ++ ]; - face.materialIndex = materialIndex; + if ( this.parent === null ) this.updateMatrixWorld(); - } + var renderTarget = this.renderTarget; + var generateMipmaps = renderTarget.texture.generateMipmaps; - // to get face <=> uv index correspondence + renderTarget.texture.generateMipmaps = false; - fi = geometry.faces.length; + renderTarget.activeCubeFace = 0; + renderer.render( scene, cameraPX, renderTarget ); - if ( hasFaceVertexUv ) { + renderTarget.activeCubeFace = 1; + renderer.render( scene, cameraNX, renderTarget ); - for ( i = 0; i < nUvLayers; i ++ ) { + renderTarget.activeCubeFace = 2; + renderer.render( scene, cameraPY, renderTarget ); - uvLayer = json.uvs[ i ]; + renderTarget.activeCubeFace = 3; + renderer.render( scene, cameraNY, renderTarget ); - geometry.faceVertexUvs[ i ][ fi ] = []; + renderTarget.activeCubeFace = 4; + renderer.render( scene, cameraPZ, renderTarget ); - for ( j = 0; j < 3; j ++ ) { + renderTarget.texture.generateMipmaps = generateMipmaps; - uvIndex = faces[ offset ++ ]; + renderTarget.activeCubeFace = 5; + renderer.render( scene, cameraNZ, renderTarget ); - u = uvLayer[ uvIndex * 2 ]; - v = uvLayer[ uvIndex * 2 + 1 ]; + renderer.setRenderTarget( null ); - uv = new Vector2( u, v ); + }; - geometry.faceVertexUvs[ i ][ fi ].push( uv ); + } - } + CubeCamera.prototype = Object.create( Object3D.prototype ); + CubeCamera.prototype.constructor = CubeCamera; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function AudioListener() { - if ( hasFaceNormal ) { + Object3D.call( this ); - normalIndex = faces[ offset ++ ] * 3; + this.type = 'AudioListener'; - face.normal.set( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + this.context = getAudioContext(); - } + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); - if ( hasFaceVertexNormal ) { + this.filter = null; - for ( i = 0; i < 3; i ++ ) { + } - normalIndex = faces[ offset ++ ] * 3; + AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { - normal = new Vector3( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + constructor: AudioListener, - face.vertexNormals.push( normal ); + getInput: function () { - } + return this.gain; - } + }, + removeFilter: function ( ) { - if ( hasFaceColor ) { + if ( this.filter !== null ) { - colorIndex = faces[ offset ++ ]; - face.color.setHex( colors[ colorIndex ] ); + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; - } + } + }, - if ( hasFaceVertexColor ) { + getFilter: function () { - for ( i = 0; i < 3; i ++ ) { + return this.filter; - colorIndex = faces[ offset ++ ]; - face.vertexColors.push( new Color( colors[ colorIndex ] ) ); + }, - } + setFilter: function ( value ) { - } + if ( this.filter !== null ) { - geometry.faces.push( face ); + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); - } + } else { - } + this.gain.disconnect( this.context.destination ); } - function parseSkin() { + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); - var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2; + }, - if ( json.skinWeights ) { + getMasterVolume: function () { - for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) { + return this.gain.gain.value; - var x = json.skinWeights[ i ]; - var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0; - var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0; - var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0; + }, - geometry.skinWeights.push( new Vector4( x, y, z, w ) ); + setMasterVolume: function ( value ) { - } + this.gain.gain.value = value; - } + }, - if ( json.skinIndices ) { + updateMatrixWorld: ( function () { - for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) { + var position = new Vector3(); + var quaternion = new Quaternion(); + var scale = new Vector3(); - var a = json.skinIndices[ i ]; - var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0; - var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0; - var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0; + var orientation = new Vector3(); - geometry.skinIndices.push( new Vector4( a, b, c, d ) ); + return function updateMatrixWorld( force ) { - } + Object3D.prototype.updateMatrixWorld.call( this, force ); - } + var listener = this.context.listener; + var up = this.up; - geometry.bones = json.bones; + this.matrixWorld.decompose( position, quaternion, scale ); - if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) { + orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion ); - console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' + - geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' ); + listener.setPosition( position.x, position.y, position.z ); + listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z ); - } + }; - } + } )() - function parseMorphing( scale ) { + } ); - if ( json.morphTargets !== undefined ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ - for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) { + function Audio( listener ) { - geometry.morphTargets[ i ] = {}; - geometry.morphTargets[ i ].name = json.morphTargets[ i ].name; - geometry.morphTargets[ i ].vertices = []; + Object3D.call( this ); - var dstVertices = geometry.morphTargets[ i ].vertices; - var srcVertices = json.morphTargets[ i ].vertices; + this.type = 'Audio'; - for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) { + this.context = listener.context; + this.source = this.context.createBufferSource(); + this.source.onended = this.onEnded.bind( this ); - var vertex = new Vector3(); - vertex.x = srcVertices[ v ] * scale; - vertex.y = srcVertices[ v + 1 ] * scale; - vertex.z = srcVertices[ v + 2 ] * scale; + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); - dstVertices.push( vertex ); + this.autoplay = false; - } + this.startTime = 0; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.sourceType = 'empty'; - } + this.filters = []; - } + } - if ( json.morphColors !== undefined && json.morphColors.length > 0 ) { + Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { - console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' ); + constructor: Audio, - var faces = geometry.faces; - var morphColors = json.morphColors[ 0 ].colors; + getOutput: function () { - for ( var i = 0, l = faces.length; i < l; i ++ ) { + return this.gain; - faces[ i ].color.fromArray( morphColors, i * 3 ); + }, - } + setNodeSource: function ( audioNode ) { - } + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); - } + return this; - function parseAnimations() { + }, - var outputAnimations = []; + setBuffer: function ( audioBuffer ) { - // parse old style Bone/Hierarchy animations - var animations = []; + this.source.buffer = audioBuffer; + this.sourceType = 'buffer'; - if ( json.animation !== undefined ) { + if ( this.autoplay ) this.play(); - animations.push( json.animation ); + return this; - } + }, - if ( json.animations !== undefined ) { + play: function () { - if ( json.animations.length ) { + if ( this.isPlaying === true ) { - animations = animations.concat( json.animations ); + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; - } else { + } - animations.push( json.animations ); + if ( this.hasPlaybackControl === false ) { - } + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - } + } - for ( var i = 0; i < animations.length; i ++ ) { + var source = this.context.createBufferSource(); - var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones ); - if ( clip ) outputAnimations.push( clip ); + source.buffer = this.source.buffer; + source.loop = this.source.loop; + source.onended = this.source.onended; + source.start( 0, this.startTime ); + source.playbackRate.value = this.playbackRate; - } + this.isPlaying = true; - // parse implicit morph animations - if ( geometry.morphTargets ) { + this.source = source; - // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary. - var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 ); - outputAnimations = outputAnimations.concat( morphAnimationClips ); + return this.connect(); - } + }, - if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations; + pause: function () { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; } - if ( json.materials === undefined || json.materials.length === 0 ) { + this.source.stop(); + this.startTime = this.context.currentTime; + this.isPlaying = false; - return { geometry: geometry }; + return this; - } else { + }, - var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin ); + stop: function () { - return { geometry: geometry, materials: materials }; + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; } - } + this.source.stop(); + this.startTime = 0; + this.isPlaying = false; - } ); + return this; - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function ObjectLoader ( manager ) { + connect: function () { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - this.texturePath = ''; + if ( this.filters.length > 0 ) { - } + this.source.connect( this.filters[ 0 ] ); - Object.assign( ObjectLoader.prototype, { + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - load: function ( url, onLoad, onProgress, onError ) { + this.filters[ i - 1 ].connect( this.filters[ i ] ); - if ( this.texturePath === '' ) { + } - this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 ); + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + + } else { + + this.source.connect( this.getOutput() ); } - var scope = this; + return this; - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + }, - scope.parse( JSON.parse( text ), onLoad ); + disconnect: function () { - }, onProgress, onError ); + if ( this.filters.length > 0 ) { - }, + this.source.disconnect( this.filters[ 0 ] ); - setTexturePath: function ( value ) { + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - this.texturePath = value; + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); - }, + } - setCrossOrigin: function ( value ) { + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); - this.crossOrigin = value; + } else { - }, + this.source.disconnect( this.getOutput() ); - parse: function ( json, onLoad ) { + } - var geometries = this.parseGeometries( json.geometries ); + return this; - var images = this.parseImages( json.images, function () { + }, - if ( onLoad !== undefined ) onLoad( object ); + getFilters: function () { - } ); + return this.filters; - var textures = this.parseTextures( json.textures, images ); - var materials = this.parseMaterials( json.materials, textures ); + }, - var object = this.parseObject( json.object, geometries, materials ); + setFilters: function ( value ) { - if ( json.animations ) { + if ( ! value ) value = []; - object.animations = this.parseAnimations( json.animations ); + if ( this.isPlaying === true ) { - } + this.disconnect(); + this.filters = value; + this.connect(); - if ( json.images === undefined || json.images.length === 0 ) { + } else { - if ( onLoad !== undefined ) onLoad( object ); + this.filters = value; } - return object; + return this; }, - parseGeometries: function ( json ) { + getFilter: function () { - var geometries = {}; + return this.getFilters()[ 0 ]; - if ( json !== undefined ) { + }, - var geometryLoader = new JSONLoader(); - var bufferGeometryLoader = new BufferGeometryLoader(); + setFilter: function ( filter ) { - for ( var i = 0, l = json.length; i < l; i ++ ) { + return this.setFilters( filter ? [ filter ] : [] ); - var geometry; - var data = json[ i ]; + }, - switch ( data.type ) { + setPlaybackRate: function ( value ) { - case 'PlaneGeometry': - case 'PlaneBufferGeometry': + if ( this.hasPlaybackControl === false ) { - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.widthSegments, - data.heightSegments - ); + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - break; + } - case 'BoxGeometry': - case 'BoxBufferGeometry': - case 'CubeGeometry': // backwards compatible + this.playbackRate = value; - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.depth, - data.widthSegments, - data.heightSegments, - data.depthSegments - ); + if ( this.isPlaying === true ) { - break; + this.source.playbackRate.value = this.playbackRate; - case 'CircleGeometry': - case 'CircleBufferGeometry': + } - geometry = new Geometries[ data.type ]( - data.radius, - data.segments, - data.thetaStart, - data.thetaLength - ); + return this; - break; + }, - case 'CylinderGeometry': - case 'CylinderBufferGeometry': + getPlaybackRate: function () { - geometry = new Geometries[ data.type ]( - data.radiusTop, - data.radiusBottom, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); + return this.playbackRate; - break; + }, - case 'ConeGeometry': - case 'ConeBufferGeometry': + onEnded: function () { - geometry = new Geometries[ data.type ]( - data.radius, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); + this.isPlaying = false; - break; + }, - case 'SphereGeometry': - case 'SphereBufferGeometry': + getLoop: function () { - geometry = new Geometries[ data.type ]( - data.radius, - data.widthSegments, - data.heightSegments, - data.phiStart, - data.phiLength, - data.thetaStart, - data.thetaLength - ); + if ( this.hasPlaybackControl === false ) { - break; + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; - case 'DodecahedronGeometry': - case 'IcosahedronGeometry': - case 'OctahedronGeometry': - case 'TetrahedronGeometry': + } - geometry = new Geometries[ data.type ]( - data.radius, - data.detail - ); + return this.source.loop; - break; + }, - case 'RingGeometry': - case 'RingBufferGeometry': + setLoop: function ( value ) { - geometry = new Geometries[ data.type ]( - data.innerRadius, - data.outerRadius, - data.thetaSegments, - data.phiSegments, - data.thetaStart, - data.thetaLength - ); + if ( this.hasPlaybackControl === false ) { - break; + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - case 'TorusGeometry': - case 'TorusBufferGeometry': + } - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.radialSegments, - data.tubularSegments, - data.arc - ); - - break; + this.source.loop = value; - case 'TorusKnotGeometry': - case 'TorusKnotBufferGeometry': + }, - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.tubularSegments, - data.radialSegments, - data.p, - data.q - ); + getVolume: function () { - break; + return this.gain.gain.value; - case 'LatheGeometry': - case 'LatheBufferGeometry': + }, - geometry = new Geometries[ data.type ]( - data.points, - data.segments, - data.phiStart, - data.phiLength - ); - break; + setVolume: function ( value ) { - case 'BufferGeometry': + this.gain.gain.value = value; - geometry = bufferGeometryLoader.parse( data ); + return this; - break; + } - case 'Geometry': + } ); - geometry = geometryLoader.parse( data.data, this.texturePath ).geometry; + /** + * @author mrdoob / http://mrdoob.com/ + */ - break; + function PositionalAudio( listener ) { - default: + Audio.call( this, listener ); - console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); + this.panner = this.context.createPanner(); + this.panner.connect( this.gain ); - continue; + } - } + PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { - geometry.uuid = data.uuid; + constructor: PositionalAudio, - if ( data.name !== undefined ) geometry.name = data.name; + getOutput: function () { - geometries[ data.uuid ] = geometry; + return this.panner; - } + }, - } + getRefDistance: function () { - return geometries; + return this.panner.refDistance; }, - parseMaterials: function ( json, textures ) { + setRefDistance: function ( value ) { - var materials = {}; + this.panner.refDistance = value; - if ( json !== undefined ) { + }, - var loader = new MaterialLoader(); - loader.setTextures( textures ); + getRolloffFactor: function () { - for ( var i = 0, l = json.length; i < l; i ++ ) { + return this.panner.rolloffFactor; - var material = loader.parse( json[ i ] ); - materials[ material.uuid ] = material; + }, - } + setRolloffFactor: function ( value ) { - } + this.panner.rolloffFactor = value; - return materials; + }, + + getDistanceModel: function () { + + return this.panner.distanceModel; }, - parseAnimations: function ( json ) { + setDistanceModel: function ( value ) { - var animations = []; + this.panner.distanceModel = value; - for ( var i = 0; i < json.length; i ++ ) { + }, - var clip = AnimationClip.parse( json[ i ] ); + getMaxDistance: function () { - animations.push( clip ); + return this.panner.maxDistance; - } + }, - return animations; + setMaxDistance: function ( value ) { + + this.panner.maxDistance = value; }, - parseImages: function ( json, onLoad ) { + updateMatrixWorld: ( function () { - var scope = this; - var images = {}; + var position = new Vector3(); - function loadImage( url ) { + return function updateMatrixWorld( force ) { - scope.manager.itemStart( url ); + Object3D.prototype.updateMatrixWorld.call( this, force ); - return loader.load( url, function () { + position.setFromMatrixPosition( this.matrixWorld ); - scope.manager.itemEnd( url ); + this.panner.setPosition( position.x, position.y, position.z ); - }, undefined, function () { + }; - scope.manager.itemError( url ); + } )() - } ); - } + } ); - if ( json !== undefined && json.length > 0 ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var manager = new LoadingManager( onLoad ); + function AudioAnalyser( audio, fftSize ) { - var loader = new ImageLoader( manager ); - loader.setCrossOrigin( this.crossOrigin ); + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; - for ( var i = 0, l = json.length; i < l; i ++ ) { + this.data = new Uint8Array( this.analyser.frequencyBinCount ); - var image = json[ i ]; - var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url; + audio.getOutput().connect( this.analyser ); - images[ image.uuid ] = loadImage( path ); + } - } + Object.assign( AudioAnalyser.prototype, { - } + getFrequencyData: function () { - return images; + this.analyser.getByteFrequencyData( this.data ); - }, + return this.data; - parseTextures: function ( json, images ) { + }, - function parseConstant( value, type ) { + getAverageFrequency: function () { - if ( typeof( value ) === 'number' ) return value; + var value = 0, data = this.getFrequencyData(); - console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + for ( var i = 0; i < data.length; i ++ ) { - return type[ value ]; + value += data[ i ]; } - var textures = {}; + return value / data.length; - if ( json !== undefined ) { + } - for ( var i = 0, l = json.length; i < l; i ++ ) { + } ); - var data = json[ i ]; + /** + * + * Buffered scene graph property that allows weighted accumulation. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - if ( data.image === undefined ) { + function PropertyMixer( binding, typeName, valueSize ) { - console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + this.binding = binding; + this.valueSize = valueSize; - } + var bufferType = Float64Array, + mixFunction; - if ( images[ data.image ] === undefined ) { + switch ( typeName ) { - console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + case 'quaternion': mixFunction = this._slerp; break; - } + case 'string': + case 'bool': - var texture = new Texture( images[ data.image ] ); - texture.needsUpdate = true; + bufferType = Array, mixFunction = this._select; break; - texture.uuid = data.uuid; + default: mixFunction = this._lerp; - if ( data.name !== undefined ) texture.name = data.name; + } - if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping ); + this.buffer = new bufferType( valueSize * 4 ); + // layout: [ incoming | accu0 | accu1 | orig ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property - if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); - if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); - if ( data.wrap !== undefined ) { + this._mixBufferRegion = mixFunction; - texture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping ); - texture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping ); + this.cumulativeWeight = 0; - } + this.useCount = 0; + this.referenceCount = 0; - if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter ); - if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter ); - if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + } - if ( data.flipY !== undefined ) texture.flipY = data.flipY; + PropertyMixer.prototype = { - textures[ data.uuid ] = texture; + constructor: PropertyMixer, - } + // accumulate data in the 'incoming' region into 'accu' + accumulate: function( accuIndex, weight ) { - } + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place - return textures; + var buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride, - }, + currentWeight = this.cumulativeWeight; - parseObject: function () { + if ( currentWeight === 0 ) { - var matrix = new Matrix4(); + // accuN := incoming * weight - return function parseObject( data, geometries, materials ) { + for ( var i = 0; i !== stride; ++ i ) { - var object; + buffer[ offset + i ] = buffer[ i ]; - function getGeometry( name ) { + } - if ( geometries[ name ] === undefined ) { + currentWeight = weight; - console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + } else { - } + // accuN := accuN + incoming * weight - return geometries[ name ]; + currentWeight += weight; + var mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); - } + } - function getMaterial( name ) { + this.cumulativeWeight = currentWeight; - if ( name === undefined ) return undefined; + }, - if ( materials[ name ] === undefined ) { + // apply the state of 'accu' to the binding when accus differ + apply: function( accuIndex ) { - console.warn( 'THREE.ObjectLoader: Undefined material', name ); + var stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, - } + weight = this.cumulativeWeight, - return materials[ name ]; + binding = this.binding; - } + this.cumulativeWeight = 0; - switch ( data.type ) { + if ( weight < 1 ) { - case 'Scene': + // accuN := accuN + original * ( 1 - cumulativeWeight ) - object = new Scene(); + var originalValueOffset = stride * 3; - if ( data.background !== undefined ) { + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); - if ( Number.isInteger( data.background ) ) { + } - object.background = new Color( data.background ); + for ( var i = stride, e = stride + stride; i !== e; ++ i ) { - } + if ( buffer[ i ] !== buffer[ i + stride ] ) { - } + // value has changed -> update scene graph - if ( data.fog !== undefined ) { + binding.setValue( buffer, offset ); + break; - if ( data.fog.type === 'Fog' ) { + } - object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + } - } else if ( data.fog.type === 'FogExp2' ) { + }, - object.fog = new FogExp2( data.fog.color, data.fog.density ); + // remember the state of the bound property and copy it to both accus + saveOriginalState: function() { - } + var binding = this.binding; - } + var buffer = this.buffer, + stride = this.valueSize, - break; + originalValueOffset = stride * 3; - case 'PerspectiveCamera': + binding.getValue( buffer, originalValueOffset ); - object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + // accu[0..1] := orig -- initially detect changes against the original + for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { - if ( data.focus !== undefined ) object.focus = data.focus; - if ( data.zoom !== undefined ) object.zoom = data.zoom; - if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; - if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; - if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; - break; + } - case 'OrthographicCamera': + this.cumulativeWeight = 0; - object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + }, - break; + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState: function() { - case 'AmbientLight': + var originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); - object = new AmbientLight( data.color, data.intensity ); + }, - break; - case 'DirectionalLight': + // mix functions - object = new DirectionalLight( data.color, data.intensity ); + _select: function( buffer, dstOffset, srcOffset, t, stride ) { - break; + if ( t >= 0.5 ) { - case 'PointLight': + for ( var i = 0; i !== stride; ++ i ) { - object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; - break; + } - case 'SpotLight': + } - object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + }, - break; + _slerp: function( buffer, dstOffset, srcOffset, t, stride ) { - case 'HemisphereLight': + Quaternion.slerpFlat( buffer, dstOffset, + buffer, dstOffset, buffer, srcOffset, t ); - object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + }, - break; + _lerp: function( buffer, dstOffset, srcOffset, t, stride ) { - case 'Mesh': + var s = 1 - t; - var geometry = getGeometry( data.geometry ); - var material = getMaterial( data.material ); + for ( var i = 0; i !== stride; ++ i ) { - if ( geometry.bones && geometry.bones.length > 0 ) { + var j = dstOffset + i; - object = new SkinnedMesh( geometry, material ); + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; - } else { + } - object = new Mesh( geometry, material ); + } - } + }; - break; + /** + * + * A reference to a real property in the scene graph. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - case 'LOD': + function PropertyBinding( rootNode, path, parsedPath ) { - object = new LOD(); + this.path = path; + this.parsedPath = parsedPath || + PropertyBinding.parseTrackName( path ); - break; + this.node = PropertyBinding.findNode( + rootNode, this.parsedPath.nodeName ) || rootNode; - case 'Line': + this.rootNode = rootNode; - object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); + } - break; + PropertyBinding.prototype = { - case 'LineSegments': + constructor: PropertyBinding, - object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + getValue: function getValue_unbound( targetArray, offset ) { - break; + this.bind(); + this.getValue( targetArray, offset ); - case 'PointCloud': - case 'Points': + // Note: This class uses a State pattern on a per-method basis: + // 'bind' sets 'this.getValue' / 'setValue' and shadows the + // prototype version of these methods with one that represents + // the bound state. When the property is not found, the methods + // become no-ops. - object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + }, - break; + setValue: function getValue_unbound( sourceArray, offset ) { - case 'Sprite': + this.bind(); + this.setValue( sourceArray, offset ); - object = new Sprite( getMaterial( data.material ) ); + }, - break; + // create getter / setter pair for a property in the scene graph + bind: function() { - case 'Group': + var targetObject = this.node, + parsedPath = this.parsedPath, - object = new Group(); + objectName = parsedPath.objectName, + propertyName = parsedPath.propertyName, + propertyIndex = parsedPath.propertyIndex; - break; + if ( ! targetObject ) { - default: + targetObject = PropertyBinding.findNode( + this.rootNode, parsedPath.nodeName ) || this.rootNode; - object = new Object3D(); + this.node = targetObject; - } + } - object.uuid = data.uuid; + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; - if ( data.name !== undefined ) object.name = data.name; - if ( data.matrix !== undefined ) { + // ensure there is a value node + if ( ! targetObject ) { - matrix.fromArray( data.matrix ); - matrix.decompose( object.position, object.quaternion, object.scale ); + console.error( " trying to update node for track: " + this.path + " but it wasn't found." ); + return; - } else { + } - if ( data.position !== undefined ) object.position.fromArray( data.position ); - if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); - if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); - if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + if ( objectName ) { - } + var objectIndex = parsedPath.objectIndex; - if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; - if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { - if ( data.shadow ) { + case 'materials': - if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; - if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; - if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); - if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + if ( ! targetObject.material ) { - } + console.error( ' can not bind to material as node does not have a material', this ); + return; - if ( data.visible !== undefined ) object.visible = data.visible; - if ( data.userData !== undefined ) object.userData = data.userData; + } - if ( data.children !== undefined ) { + if ( ! targetObject.material.materials ) { - for ( var child in data.children ) { + console.error( ' can not bind to material.materials as node.material does not have a materials array', this ); + return; - object.add( this.parseObject( data.children[ child ], geometries, materials ) ); + } - } + targetObject = targetObject.material.materials; - } + break; - if ( data.type === 'LOD' ) { + case 'bones': - var levels = data.levels; + if ( ! targetObject.skeleton ) { - for ( var l = 0; l < levels.length; l ++ ) { + console.error( ' can not bind to bones as node does not have a skeleton', this ); + return; - var level = levels[ l ]; - var child = object.getObjectByProperty( 'uuid', level.object ); + } - if ( child !== undefined ) { - - object.addLevel( child, level.distance ); - - } + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. - } + targetObject = targetObject.skeleton.bones; - } + // support resolving morphTarget names into indices. + for ( var i = 0; i < targetObject.length; i ++ ) { - return object; + if ( targetObject[ i ].name === objectIndex ) { - }; + objectIndex = i; + break; - }() + } - } ); + } - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Extensible curve object - * - * Some common of Curve methods - * .getPoint(t), getTangent(t) - * .getPointAt(u), getTangentAt(u) - * .getPoints(), .getSpacedPoints() - * .getLength() - * .updateArcLengths() - * - * This following classes subclasses THREE.Curve: - * - * -- 2d classes -- - * THREE.LineCurve - * THREE.QuadraticBezierCurve - * THREE.CubicBezierCurve - * THREE.SplineCurve - * THREE.ArcCurve - * THREE.EllipseCurve - * - * -- 3d classes -- - * THREE.LineCurve3 - * THREE.QuadraticBezierCurve3 - * THREE.CubicBezierCurve3 - * THREE.SplineCurve3 - * - * A series of curves can be represented as a THREE.CurvePath - * - **/ + break; - /************************************************************** - * Abstract Curve base class - **************************************************************/ + default: - function Curve() {} + if ( targetObject[ objectName ] === undefined ) { - Curve.prototype = { + console.error( ' can not bind to objectName of node, undefined', this ); + return; - constructor: Curve, + } - // Virtual base class method to overwrite and implement in subclasses - // - t [0 .. 1] + targetObject = targetObject[ objectName ]; - getPoint: function ( t ) { + } - console.warn( "THREE.Curve: Warning, getPoint() not implemented!" ); - return null; - }, + if ( objectIndex !== undefined ) { - // Get point at relative position in curve according to arc length - // - u [0 .. 1] + if ( targetObject[ objectIndex ] === undefined ) { - getPointAt: function ( u ) { + console.error( " trying to bind to objectIndex of objectName, but is undefined:", this, targetObject ); + return; - var t = this.getUtoTmapping( u ); - return this.getPoint( t ); + } - }, + targetObject = targetObject[ objectIndex ]; - // Get sequence of points using getPoint( t ) + } - getPoints: function ( divisions ) { + } - if ( ! divisions ) divisions = 5; + // resolve property + var nodeProperty = targetObject[ propertyName ]; - var points = []; + if ( nodeProperty === undefined ) { - for ( var d = 0; d <= divisions; d ++ ) { + var nodeName = parsedPath.nodeName; - points.push( this.getPoint( d / divisions ) ); + console.error( " trying to update property for track: " + nodeName + + '.' + propertyName + " but it wasn't found.", targetObject ); + return; } - return points; - - }, - - // Get sequence of points using getPointAt( u ) - - getSpacedPoints: function ( divisions ) { + // determine versioning scheme + var versioning = this.Versioning.None; - if ( ! divisions ) divisions = 5; + if ( targetObject.needsUpdate !== undefined ) { // material - var points = []; + versioning = this.Versioning.NeedsUpdate; + this.targetObject = targetObject; - for ( var d = 0; d <= divisions; d ++ ) { + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform - points.push( this.getPointAt( d / divisions ) ); + versioning = this.Versioning.MatrixWorldNeedsUpdate; + this.targetObject = targetObject; } - return points; - - }, + // determine how the property gets bound + var bindingType = this.BindingType.Direct; - // Get total curve arc length + if ( propertyIndex !== undefined ) { + // access a sub element of the property array (only primitives are supported right now) - getLength: function () { + if ( propertyName === "morphTargetInfluences" ) { + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. - var lengths = this.getLengths(); - return lengths[ lengths.length - 1 ]; + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { - }, + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this ); + return; - // Get list of cumulative segment lengths + } - getLengths: function ( divisions ) { + if ( ! targetObject.geometry.morphTargets ) { - if ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200; + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this ); + return; - if ( this.cacheArcLengths - && ( this.cacheArcLengths.length === divisions + 1 ) - && ! this.needsUpdate ) { + } - //console.log( "cached", this.cacheArcLengths ); - return this.cacheArcLengths; + for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { - } + if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { - this.needsUpdate = false; + propertyIndex = i; + break; - var cache = []; - var current, last = this.getPoint( 0 ); - var p, sum = 0; + } - cache.push( 0 ); + } - for ( p = 1; p <= divisions; p ++ ) { + } - current = this.getPoint ( p / divisions ); - sum += current.distanceTo( last ); - cache.push( sum ); - last = current; + bindingType = this.BindingType.ArrayElement; - } + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; - this.cacheArcLengths = cache; + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + // must use copy for Object3D.Euler/Quaternion - return cache; // { sums: cache, sum:sum }; Sum is in the last element. + bindingType = this.BindingType.HasFromToArray; - }, + this.resolvedProperty = nodeProperty; - updateArcLengths: function() { + } else if ( nodeProperty.length !== undefined ) { - this.needsUpdate = true; - this.getLengths(); + bindingType = this.BindingType.EntireArray; - }, + this.resolvedProperty = nodeProperty; - // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + } else { - getUtoTmapping: function ( u, distance ) { + this.propertyName = propertyName; - var arcLengths = this.getLengths(); + } - var i = 0, il = arcLengths.length; + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; - var targetArcLength; // The targeted u distance value to get + }, - if ( distance ) { + unbind: function() { - targetArcLength = distance; + this.node = null; - } else { + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; - targetArcLength = u * arcLengths[ il - 1 ]; + } - } + }; - //var time = Date.now(); + Object.assign( PropertyBinding.prototype, { // prototype, continued - // binary search for the index with largest value smaller than target u distance + // these are used to "bind" a nonexistent property + _getValue_unavailable: function() {}, + _setValue_unavailable: function() {}, - var low = 0, high = il - 1, comparison; + // initial state of these methods that calls 'bind' + _getValue_unbound: PropertyBinding.prototype.getValue, + _setValue_unbound: PropertyBinding.prototype.setValue, - while ( low <= high ) { + BindingType: { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 + }, - i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + Versioning: { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 + }, - comparison = arcLengths[ i ] - targetArcLength; + GetterByBindingType: [ - if ( comparison < 0 ) { + function getValue_direct( buffer, offset ) { - low = i + 1; + buffer[ offset ] = this.node[ this.propertyName ]; - } else if ( comparison > 0 ) { + }, - high = i - 1; + function getValue_array( buffer, offset ) { - } else { + var source = this.resolvedProperty; - high = i; - break; + for ( var i = 0, n = source.length; i !== n; ++ i ) { - // DONE + buffer[ offset ++ ] = source[ i ]; } - } + }, - i = high; + function getValue_arrayElement( buffer, offset ) { - //console.log('b' , i, low, high, Date.now()- time); + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; - if ( arcLengths[ i ] === targetArcLength ) { + }, - var t = i / ( il - 1 ); - return t; + function getValue_toArray( buffer, offset ) { + + this.resolvedProperty.toArray( buffer, offset ); } - // we could get finer grain at lengths, or use simple interpolation between two points + ], - var lengthBefore = arcLengths[ i ]; - var lengthAfter = arcLengths[ i + 1 ]; + SetterByBindingTypeAndVersioning: [ - var segmentLength = lengthAfter - lengthBefore; + [ + // Direct - // determine where we are between the 'before' and 'after' points + function setValue_direct( buffer, offset ) { - var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + this.node[ this.propertyName ] = buffer[ offset ]; - // add that fractional amount to t + }, - var t = ( i + segmentFraction ) / ( il - 1 ); + function setValue_direct_setNeedsUpdate( buffer, offset ) { - return t; + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; - }, + }, - // Returns a unit vector tangent at t - // In case any sub curve does not implement its tangent derivation, - // 2 points a small delta apart will be used to find its gradient - // which seems to give a reasonable approximation + function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { - getTangent: function( t ) { + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; - var delta = 0.0001; - var t1 = t - delta; - var t2 = t + delta; + } - // Capping in case of danger + ], [ - if ( t1 < 0 ) t1 = 0; - if ( t2 > 1 ) t2 = 1; + // EntireArray - var pt1 = this.getPoint( t1 ); - var pt2 = this.getPoint( t2 ); + function setValue_array( buffer, offset ) { - var vec = pt2.clone().sub( pt1 ); - return vec.normalize(); + var dest = this.resolvedProperty; - }, + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - getTangentAt: function ( u ) { + dest[ i ] = buffer[ offset ++ ]; - var t = this.getUtoTmapping( u ); - return this.getTangent( t ); + } - }, + }, - computeFrenetFrames: function ( segments, closed ) { + function setValue_array_setNeedsUpdate( buffer, offset ) { - // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + var dest = this.resolvedProperty; - var normal = new Vector3(); + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - var tangents = []; - var normals = []; - var binormals = []; + dest[ i ] = buffer[ offset ++ ]; - var vec = new Vector3(); - var mat = new Matrix4(); + } - var i, u, theta; + this.targetObject.needsUpdate = true; - // compute the tangent vectors for each segment on the curve + }, - for ( i = 0; i <= segments; i ++ ) { + function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { - u = i / segments; + var dest = this.resolvedProperty; - tangents[ i ] = this.getTangentAt( u ); - tangents[ i ].normalize(); + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - } + dest[ i ] = buffer[ offset ++ ]; - // select an initial normal vector perpendicular to the first tangent vector, - // and in the direction of the minimum tangent xyz component + } - normals[ 0 ] = new Vector3(); - binormals[ 0 ] = new Vector3(); - var min = Number.MAX_VALUE; - var tx = Math.abs( tangents[ 0 ].x ); - var ty = Math.abs( tangents[ 0 ].y ); - var tz = Math.abs( tangents[ 0 ].z ); + this.targetObject.matrixWorldNeedsUpdate = true; - if ( tx <= min ) { + } - min = tx; - normal.set( 1, 0, 0 ); + ], [ - } + // ArrayElement - if ( ty <= min ) { + function setValue_arrayElement( buffer, offset ) { - min = ty; - normal.set( 0, 1, 0 ); + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - } + }, - if ( tz <= min ) { + function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { - normal.set( 0, 0, 1 ); + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; - } + }, - vec.crossVectors( tangents[ 0 ], normal ).normalize(); + function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { - normals[ 0 ].crossVectors( tangents[ 0 ], vec ); - binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + } - // compute the slowly-varying normal and binormal vectors for each segment on the curve + ], [ - for ( i = 1; i <= segments; i ++ ) { + // HasToFromArray - normals[ i ] = normals[ i - 1 ].clone(); + function setValue_fromArray( buffer, offset ) { - binormals[ i ] = binormals[ i - 1 ].clone(); + this.resolvedProperty.fromArray( buffer, offset ); - vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + }, - if ( vec.length() > Number.EPSILON ) { + function setValue_fromArray_setNeedsUpdate( buffer, offset ) { - vec.normalize(); + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; - theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + }, - normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; } - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + ] - } + ] - // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + } ); - if ( closed === true ) { + PropertyBinding.Composite = + function( targetGroup, path, optionalParsedPath ) { - theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); - theta /= segments; + var parsedPath = optionalParsedPath || + PropertyBinding.parseTrackName( path ); - if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); - theta = - theta; + }; - } + PropertyBinding.Composite.prototype = { - for ( i = 1; i <= segments; i ++ ) { + constructor: PropertyBinding.Composite, - // twist a little... - normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + getValue: function( array, offset ) { - } + this.bind(); // bind all binding - } + var firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; - return { - tangents: tangents, - normals: normals, - binormals: binormals - }; + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); - } + }, - }; + setValue: function( array, offset ) { - // TODO: Transformation for Curves? + var bindings = this._bindings; - /************************************************************** - * 3D Curves - **************************************************************/ + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - // A Factory method for creating new curve subclasses + bindings[ i ].setValue( array, offset ); - Curve.create = function ( constructor, getPointFunc ) { + } - constructor.prototype = Object.create( Curve.prototype ); - constructor.prototype.constructor = constructor; - constructor.prototype.getPoint = getPointFunc; + }, - return constructor; + bind: function() { - }; + var bindings = this._bindings; - /************************************************************** - * Line - **************************************************************/ + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - function LineCurve( v1, v2 ) { + bindings[ i ].bind(); - this.v1 = v1; - this.v2 = v2; + } - } + }, - LineCurve.prototype = Object.create( Curve.prototype ); - LineCurve.prototype.constructor = LineCurve; + unbind: function() { - LineCurve.prototype.isLineCurve = true; + var bindings = this._bindings; - LineCurve.prototype.getPoint = function ( t ) { + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - if ( t === 1 ) { + bindings[ i ].unbind(); - return this.v2.clone(); + } } - var point = this.v2.clone().sub( this.v1 ); - point.multiplyScalar( t ).add( this.v1 ); - - return point; - }; - // Line curve is linear, so we can overwrite default getPointAt - - LineCurve.prototype.getPointAt = function ( u ) { + PropertyBinding.create = function( root, path, parsedPath ) { - return this.getPoint( u ); + if ( ! ( (root && root.isAnimationObjectGroup) ) ) { - }; + return new PropertyBinding( root, path, parsedPath ); - LineCurve.prototype.getTangent = function( t ) { + } else { - var tangent = this.v2.clone().sub( this.v1 ); + return new PropertyBinding.Composite( root, path, parsedPath ); - return tangent.normalize(); + } }; - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - **/ + PropertyBinding.parseTrackName = function( trackName ) { - /************************************************************** - * Curved Path - a curve path is simply a array of connected - * curves, but retains the api of a curve - **************************************************************/ - - function CurvePath() { + // matches strings in the form of: + // nodeName.property + // nodeName.property[accessor] + // nodeName.material.property[accessor] + // uuid.property[accessor] + // uuid.objectName[objectIndex].propertyName[propertyIndex] + // parentName/nodeName.property + // parentName/parentName/nodeName.property[index] + // .bone[Armature.DEF_cog].position + // scene:helium_balloon_model:helium_balloon_model.position + // created and tested via https://regex101.com/#javascript - this.curves = []; + var re = /^((?:\w+[\/:])*)(\w+)?(?:\.(\w+)(?:\[(.+)\])?)?\.(\w+)(?:\[(.+)\])?$/; + var matches = re.exec( trackName ); - this.autoClose = false; // Automatically closes the path + if ( ! matches ) { - } + throw new Error( "cannot parse trackName at all: " + trackName ); - CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { + } - constructor: CurvePath, + var results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], // allowed to be null, specified root node. + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], + propertyIndex: matches[ 6 ] // allowed to be null, specifies that the whole property is set. + }; - add: function ( curve ) { + if ( results.propertyName === null || results.propertyName.length === 0 ) { - this.curves.push( curve ); + throw new Error( "can not parse propertyName from trackName: " + trackName ); - }, + } - closePath: function () { + return results; - // Add a line curve if start and end of lines are not connected - var startPoint = this.curves[ 0 ].getPoint( 0 ); - var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + }; - if ( ! startPoint.equals( endPoint ) ) { + PropertyBinding.findNode = function( root, nodeName ) { - this.curves.push( new LineCurve( endPoint, startPoint ) ); + if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { - } + return root; - }, + } - // To get accurate point with reference to - // entire path distance at time t, - // following has to be done: + // search into skeleton bones. + if ( root.skeleton ) { - // 1. Length of each sub path have to be known - // 2. Locate and identify type of curve - // 3. Get t for the curve - // 4. Return curve.getPointAt(t') + var searchSkeleton = function( skeleton ) { - getPoint: function ( t ) { + for( var i = 0; i < skeleton.bones.length; i ++ ) { - var d = t * this.getLength(); - var curveLengths = this.getCurveLengths(); - var i = 0; + var bone = skeleton.bones[ i ]; - // To think about boundaries points. + if ( bone.name === nodeName ) { - while ( i < curveLengths.length ) { + return bone; - if ( curveLengths[ i ] >= d ) { + } + } - var diff = curveLengths[ i ] - d; - var curve = this.curves[ i ]; + return null; - var segmentLength = curve.getLength(); - var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + }; - return curve.getPointAt( u ); + var bone = searchSkeleton( root.skeleton ); - } + if ( bone ) { - i ++; + return bone; } + } - return null; + // search into node subtree. + if ( root.children ) { - // loop where sum != 0, sum > d , sum+1 + this._bindingsIndicesByPath = {}; // inside: indices in these arrays - } + var scope = this; - if ( this.autoClose ) { + this.stats = { - points.push( points[ 0 ] ); + objects: { + get total() { return scope._objects.length; }, + get inUse() { return this.total - scope.nCachedObjects_; } + }, - } + get bindingsPerObject() { return scope._bindings.length; } - return points; + }; - }, + } - getPoints: function ( divisions ) { + AnimationObjectGroup.prototype = { - divisions = divisions || 12; + constructor: AnimationObjectGroup, - var points = [], last; + isAnimationObjectGroup: true, - for ( var i = 0, curves = this.curves; i < curves.length; i ++ ) { + add: function( var_args ) { - var curve = curves[ i ]; - var resolution = (curve && curve.isEllipseCurve) ? divisions * 2 - : (curve && curve.isLineCurve) ? 1 - : (curve && curve.isSplineCurve) ? divisions * curve.points.length - : divisions; + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; - var pts = curve.getPoints( resolution ); + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - for ( var j = 0; j < pts.length; j++ ) { + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - var point = pts[ j ]; + if ( index === undefined ) { - if ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates + // unknown object -> add it to the ACTIVE region - points.push( point ); - last = point; + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); - } + // accounting is done, now do the same for all bindings - } + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - if ( this.autoClose && points.length > 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) { + bindings[ j ].push( + new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ) ); - points.push( points[ 0 ] ); + } - } + } else if ( index < nCachedObjects ) { - return points; + var knownObject = objects[ index ]; - }, + // move existing object to the ACTIVE region - /************************************************************** - * Create Geometries Helpers - **************************************************************/ + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; - /// Generate geometry from path points (for Line or Points objects) + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; - createPointsGeometry: function ( divisions ) { + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; - var pts = this.getPoints( divisions ); - return this.createGeometry( pts ); + // accounting is done, now do the same for all bindings - }, + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - // Generate geometry from equidistant sampling along the path + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + binding = bindingsForPath[ index ]; - createSpacedPointsGeometry: function ( divisions ) { + bindingsForPath[ index ] = lastCached; - var pts = this.getSpacedPoints( divisions ); - return this.createGeometry( pts ); + if ( binding === undefined ) { - }, + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist - createGeometry: function ( points ) { + binding = new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ); - var geometry = new Geometry(); + } - for ( var i = 0, l = points.length; i < l; i ++ ) { + bindingsForPath[ firstActiveIndex ] = binding; - var point = points[ i ]; - geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); + } - } + } else if ( objects[ index ] !== knownObject) { - return geometry; + console.error( "Different objects with the same UUID " + + "detected. Clean the caches or recreate your " + + "infrastructure when reloading scenes..." ); - } + } // else the object is already where we want it to be - } ); + } // for arguments - /************************************************************** - * Ellipse curve - **************************************************************/ + this.nCachedObjects_ = nCachedObjects; - function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + }, - this.aX = aX; - this.aY = aY; + remove: function( var_args ) { - this.xRadius = xRadius; - this.yRadius = yRadius; + var objects = this._objects, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; - this.aStartAngle = aStartAngle; - this.aEndAngle = aEndAngle; + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - this.aClockwise = aClockwise; + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - this.aRotation = aRotation || 0; + if ( index !== undefined && index >= nCachedObjects ) { - } + // move existing object into the CACHED region - EllipseCurve.prototype = Object.create( Curve.prototype ); - EllipseCurve.prototype.constructor = EllipseCurve; + var lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; - EllipseCurve.prototype.isEllipseCurve = true; + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; - EllipseCurve.prototype.getPoint = function( t ) { + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; - var twoPi = Math.PI * 2; - var deltaAngle = this.aEndAngle - this.aStartAngle; - var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + // accounting is done, now do the same for all bindings - // ensures that deltaAngle is 0 .. 2 PI - while ( deltaAngle < 0 ) deltaAngle += twoPi; - while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - if ( deltaAngle < Number.EPSILON ) { + var bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; - if ( samePoints ) { + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; - deltaAngle = 0; + } - } else { + } - deltaAngle = twoPi; + } // for arguments - } + this.nCachedObjects_ = nCachedObjects; - } + }, - if ( this.aClockwise === true && ! samePoints ) { + // remove & forget + uncache: function( var_args ) { - if ( deltaAngle === twoPi ) { + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; - deltaAngle = - twoPi; + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - } else { + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - deltaAngle = deltaAngle - twoPi; + if ( index !== undefined ) { - } + delete indicesByUUID[ uuid ]; - } + if ( index < nCachedObjects ) { - var angle = this.aStartAngle + t * deltaAngle; - var x = this.aX + this.xRadius * Math.cos( angle ); - var y = this.aY + this.yRadius * Math.sin( angle ); + // object is cached, shrink the CACHED region - if ( this.aRotation !== 0 ) { + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; - var cos = Math.cos( this.aRotation ); - var sin = Math.sin( this.aRotation ); + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; - var tx = x - this.aX; - var ty = y - this.aY; + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); - // Rotate the point about the center of the ellipse. - x = tx * cos - ty * sin + this.aX; - y = tx * sin + ty * cos + this.aY; + // accounting is done, now do the same for all bindings - } + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - return new Vector2( x, y ); + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; - }; + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - */ + } - var CurveUtils = { + } else { - tangentQuadraticBezier: function ( t, p0, p1, p2 ) { + // object is active, just swap with the last and pop - return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 ); + var lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; - }, + indicesByUUID[ lastObject.uuid ] = index; + objects[ index ] = lastObject; + objects.pop(); - // Puay Bing, thanks for helping with this derivative! + // accounting is done, now do the same for all bindings - tangentCubicBezier: function ( t, p0, p1, p2, p3 ) { + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - return - 3 * p0 * ( 1 - t ) * ( 1 - t ) + - 3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) + - 6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 + - 3 * t * t * p3; + var bindingsForPath = bindings[ j ]; - }, + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); - tangentSpline: function ( t, p0, p1, p2, p3 ) { + } - // To check if my formulas are correct + } // cached or active - var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1 - var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t - var h01 = - 6 * t * t + 6 * t; // − 2t3 + 3t2 - var h11 = 3 * t * t - 2 * t; // t3 − t2 + } // if object is known - return h00 + h10 + h01 + h11; + } // for arguments + + this.nCachedObjects_ = nCachedObjects; }, - // Catmull-Rom + // Internal interface used by befriended PropertyBinding.Composite: - interpolate: function( p0, p1, p2, p3, t ) { + subscribe_: function( path, parsedPath ) { + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group - var v0 = ( p2 - p0 ) * 0.5; - var v1 = ( p3 - p1 ) * 0.5; - var t2 = t * t; - var t3 = t * t2; - return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ], + bindings = this._bindings; - } + if ( index !== undefined ) return bindings[ index ]; - }; + var paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); - /************************************************************** - * Spline curve - **************************************************************/ + index = bindings.length; - function SplineCurve( points /* array of Vector2 */ ) { + indicesByPath[ path ] = index; - this.points = ( points === undefined ) ? [] : points; + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); - } + for ( var i = nCachedObjects, + n = objects.length; i !== n; ++ i ) { - SplineCurve.prototype = Object.create( Curve.prototype ); - SplineCurve.prototype.constructor = SplineCurve; + var object = objects[ i ]; - SplineCurve.prototype.isSplineCurve = true; + bindingsForPath[ i ] = + new PropertyBinding( object, path, parsedPath ); - SplineCurve.prototype.getPoint = function ( t ) { + } - var points = this.points; - var point = ( points.length - 1 ) * t; + return bindingsForPath; - var intPoint = Math.floor( point ); - var weight = point - intPoint; - - var point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; - var point1 = points[ intPoint ]; - var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; - var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - - var interpolate = CurveUtils.interpolate; + }, - return new Vector2( - interpolate( point0.x, point1.x, point2.x, point3.x, weight ), - interpolate( point0.y, point1.y, point2.y, point3.y, weight ) - ); + unsubscribe_: function( path ) { + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' - }; + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; - /************************************************************** - * Cubic Bezier curve - **************************************************************/ + if ( index !== undefined ) { - function CubicBezierCurve( v0, v1, v2, v3 ) { + var paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; + indicesByPath[ lastBindingsPath ] = index; - } + bindings[ index ] = lastBindings; + bindings.pop(); - CubicBezierCurve.prototype = Object.create( Curve.prototype ); - CubicBezierCurve.prototype.constructor = CubicBezierCurve; + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); - CubicBezierCurve.prototype.getPoint = function ( t ) { + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); - var b3 = ShapeUtils.b3; + } - return new Vector2( - b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) - ); + } }; - CubicBezierCurve.prototype.getTangent = function( t ) { + /** + * + * Action provided by AnimationMixer for scheduling clip playback on specific + * objects. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + * + */ - var tangentCubicBezier = CurveUtils.tangentCubicBezier; + function AnimationAction( mixer, clip, localRoot ) { - return new Vector2( - tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) - ).normalize(); + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot || null; - }; + var tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); - /************************************************************** - * Quadratic Bezier curve - **************************************************************/ + var interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + for ( var i = 0; i !== nTracks; ++ i ) { - function QuadraticBezierCurve( v0, v1, v2 ) { + var interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; + } - } + this._interpolantSettings = interpolantSettings; - QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); - QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; + this._interpolants = interpolants; // bound by the mixer + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); - QuadraticBezierCurve.prototype.getPoint = function ( t ) { + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager - var b2 = ShapeUtils.b2; + this._timeScaleInterpolant = null; + this._weightInterpolant = null; - return new Vector2( - b2( t, this.v0.x, this.v1.x, this.v2.x ), - b2( t, this.v0.y, this.v1.y, this.v2.y ) - ); + this.loop = LoopRepeat; + this._loopCount = -1; - }; + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; - QuadraticBezierCurve.prototype.getTangent = function( t ) { + this.timeScale = 1; + this._effectiveTimeScale = 1; - var tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier; + this.weight = 1; + this._effectiveWeight = 1; - return new Vector2( - tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ), - tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y ) - ).normalize(); + this.repetitions = Infinity; // no. of repetitions when looping - }; + this.paused = false; // false -> zero effective time scale + this.enabled = true; // true -> zero effective weight - var PathPrototype = Object.assign( Object.create( CurvePath.prototype ), { + this.clampWhenFinished = false; // keep feeding the last frame? - fromPoints: function ( vectors ) { + this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true; // clips for start, loop and end - this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y ); + } - for ( var i = 1, l = vectors.length; i < l; i ++ ) { + AnimationAction.prototype = { - this.lineTo( vectors[ i ].x, vectors[ i ].y ); + constructor: AnimationAction, - } + // State & Scheduling - }, + play: function() { - moveTo: function ( x, y ) { + this._mixer._activateAction( this ); - this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + return this; }, - lineTo: function ( x, y ) { + stop: function() { - var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); - this.curves.push( curve ); + this._mixer._deactivateAction( this ); - this.currentPoint.set( x, y ); + return this.reset(); }, - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + reset: function() { - var curve = new QuadraticBezierCurve( - this.currentPoint.clone(), - new Vector2( aCPx, aCPy ), - new Vector2( aX, aY ) - ); + this.paused = false; + this.enabled = true; - this.curves.push( curve ); + this.time = 0; // restart clip + this._loopCount = -1; // forget previous loops + this._startTime = null; // forget scheduling - this.currentPoint.set( aX, aY ); + return this.stopFading().stopWarping(); }, - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + isRunning: function() { - var curve = new CubicBezierCurve( - this.currentPoint.clone(), - new Vector2( aCP1x, aCP1y ), - new Vector2( aCP2x, aCP2y ), - new Vector2( aX, aY ) - ); + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); - this.curves.push( curve ); + }, - this.currentPoint.set( aX, aY ); + // return true when play has been called + isScheduled: function() { - }, + return this._mixer._isActiveAction( this ); - splineThru: function ( pts /*Array of Vector*/ ) { + }, - var npts = [ this.currentPoint.clone() ].concat( pts ); + startAt: function( time ) { - var curve = new SplineCurve( npts ); - this.curves.push( curve ); + this._startTime = time; - this.currentPoint.copy( pts[ pts.length - 1 ] ); + return this; }, - arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + setLoop: function( mode, repetitions ) { - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; + this.loop = mode; + this.repetitions = repetitions; - this.absarc( aX + x0, aY + y0, aRadius, - aStartAngle, aEndAngle, aClockwise ); + return this; }, - absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - - this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + // Weight - }, + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight: function( weight ) { - ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + this.weight = weight; - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; - this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + return this.stopFading(); }, - absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + // return the weight considering fading and .enabled + getEffectiveWeight: function() { - var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + return this._effectiveWeight; - if ( this.curves.length > 0 ) { + }, - // if a previous curve is present, attempt to join - var firstPoint = curve.getPoint( 0 ); + fadeIn: function( duration ) { - if ( ! firstPoint.equals( this.currentPoint ) ) { + return this._scheduleFading( duration, 0, 1 ); - this.lineTo( firstPoint.x, firstPoint.y ); + }, - } + fadeOut: function( duration ) { - } + return this._scheduleFading( duration, 1, 0 ); - this.curves.push( curve ); + }, - var lastPoint = curve.getPoint( 1 ); - this.currentPoint.copy( lastPoint ); + crossFadeFrom: function( fadeOutAction, duration, warp ) { - } + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); - } ); + if( warp ) { - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Defines a 2d shape plane using paths. - **/ + var fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, - // STEP 1 Create a path. - // STEP 2 Turn path into shape. - // STEP 3 ExtrudeGeometry takes in Shape/Shapes - // STEP 3a - Extract points from each shape, turn to vertices - // STEP 3b - Triangulate each shape, add faces. + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; - function Shape() { + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); - Path.apply( this, arguments ); + } - this.holes = []; + return this; - } + }, - Shape.prototype = Object.assign( Object.create( PathPrototype ), { + crossFadeTo: function( fadeInAction, duration, warp ) { - constructor: Shape, + return fadeInAction.crossFadeFrom( this, duration, warp ); - getPointsHoles: function ( divisions ) { + }, - var holesPts = []; + stopFading: function() { - for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + var weightInterpolant = this._weightInterpolant; - holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + if ( weightInterpolant !== null ) { + + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); } - return holesPts; + return this; }, - // Get points of shape and holes (keypoints based on segments parameter) - - extractAllPoints: function ( divisions ) { + // Time Scale Control - return { + // set the weight stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale: function( timeScale ) { - shape: this.getPoints( divisions ), - holes: this.getPointsHoles( divisions ) + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 :timeScale; - }; + return this.stopWarping(); }, - extractPoints: function ( divisions ) { - - return this.extractAllPoints( divisions ); + // return the time scale considering warping and .paused + getEffectiveTimeScale: function() { - } + return this._effectiveTimeScale; - } ); + }, - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Creates free form 2d path using series of points, lines or curves. - * - **/ + setDuration: function( duration ) { - function Path( points ) { + this.timeScale = this._clip.duration / duration; - CurvePath.call( this ); - this.currentPoint = new Vector2(); + return this.stopWarping(); - if ( points ) { + }, - this.fromPoints( points ); + syncWith: function( action ) { - } + this.time = action.time; + this.timeScale = action.timeScale; - } + return this.stopWarping(); - Path.prototype = PathPrototype; - PathPrototype.constructor = Path; + }, + halt: function( duration ) { - // minimal class for proxing functions to Path. Replaces old "extractSubpaths()" - function ShapePath() { - this.subPaths = []; - this.currentPath = null; - } + return this.warp( this._effectiveTimeScale, 0, duration ); - ShapePath.prototype = { - moveTo: function ( x, y ) { - this.currentPath = new Path(); - this.subPaths.push(this.currentPath); - this.currentPath.moveTo( x, y ); - }, - lineTo: function ( x, y ) { - this.currentPath.lineTo( x, y ); - }, - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); - }, - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); - }, - splineThru: function ( pts ) { - this.currentPath.splineThru( pts ); }, - toShapes: function ( isCCW, noHoles ) { + warp: function( startTimeScale, endTimeScale, duration ) { - function toShapesNoHoles( inSubpaths ) { + var mixer = this._mixer, now = mixer.time, + interpolant = this._timeScaleInterpolant, - var shapes = []; + timeScale = this.timeScale; - for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { + if ( interpolant === null ) { - var tmpPath = inSubpaths[ i ]; + interpolant = mixer._lendControlInterpolant(), + this._timeScaleInterpolant = interpolant; - var tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; + } - shapes.push( tmpShape ); + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; - } + times[ 0 ] = now; + times[ 1 ] = now + duration; - return shapes; + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; - } + return this; - function isPointInsidePolygon( inPt, inPolygon ) { + }, - var polyLen = inPolygon.length; + stopWarping: function() { - // inPt on polygon contour => immediate success or - // toggling of inside/outside at every single! intersection point of an edge - // with the horizontal line through inPt, left of inPt - // not counting lowerY endpoints of edges and whole edges on that line - var inside = false; - for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + var timeScaleInterpolant = this._timeScaleInterpolant; - var edgeLowPt = inPolygon[ p ]; - var edgeHighPt = inPolygon[ q ]; + if ( timeScaleInterpolant !== null ) { - var edgeDx = edgeHighPt.x - edgeLowPt.x; - var edgeDy = edgeHighPt.y - edgeLowPt.y; + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); - if ( Math.abs( edgeDy ) > Number.EPSILON ) { + } - // not parallel - if ( edgeDy < 0 ) { + return this; - edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; - edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + }, - } - if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + // Object Accessors - if ( inPt.y === edgeLowPt.y ) { + getMixer: function() { - if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? - // continue; // no intersection or edgeLowPt => doesn't count !!! + return this._mixer; - } else { + }, - var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); - if ( perpEdge === 0 ) return true; // inPt is on contour ? - if ( perpEdge < 0 ) continue; - inside = ! inside; // true intersection left of inPt + getClip: function() { - } + return this._clip; - } else { + }, - // parallel or collinear - if ( inPt.y !== edgeLowPt.y ) continue; // parallel - // edge lies on the same horizontal line as inPt - if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || - ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! - // continue; + getRoot: function() { - } + return this._localRoot || this._mixer._root; - } + }, - return inside; + // Interna - } + _update: function( time, deltaTime, timeDirection, accuIndex ) { + // called by the mixer - var isClockWise = ShapeUtils.isClockWise; + var startTime = this._startTime; - var subPaths = this.subPaths; - if ( subPaths.length === 0 ) return []; + if ( startTime !== null ) { - if ( noHoles === true ) return toShapesNoHoles( subPaths ); + // check for scheduled start of action + var timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { - var solid, tmpPath, tmpShape, shapes = []; + return; // yet to come / don't decide when delta = 0 - if ( subPaths.length === 1 ) { + } - tmpPath = subPaths[ 0 ]; - tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; - shapes.push( tmpShape ); - return shapes; + // start + + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; } - var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); - holesFirst = isCCW ? ! holesFirst : holesFirst; + // apply time scale and advance time - // console.log("Holes first", holesFirst); + deltaTime *= this._updateTimeScale( time ); + var clipTime = this._updateTime( deltaTime ); - var betterShapeHoles = []; - var newShapes = []; - var newShapeHoles = []; - var mainIdx = 0; - var tmpPoints; + // note: _updateTime may disable the action resulting in + // an effective weight of 0 - newShapes[ mainIdx ] = undefined; - newShapeHoles[ mainIdx ] = []; + var weight = this._updateWeight( time ); - for ( var i = 0, l = subPaths.length; i < l; i ++ ) { + if ( weight > 0 ) { - tmpPath = subPaths[ i ]; - tmpPoints = tmpPath.getPoints(); - solid = isClockWise( tmpPoints ); - solid = isCCW ? ! solid : solid; + var interpolants = this._interpolants; + var propertyMixers = this._propertyBindings; - if ( solid ) { + for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { - if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); - newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; - newShapes[ mainIdx ].s.curves = tmpPath.curves; + } - if ( holesFirst ) mainIdx ++; - newShapeHoles[ mainIdx ] = []; + } - //console.log('cw', i); + }, - } else { + _updateWeight: function( time ) { - newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + var weight = 0; - //console.log('ccw', i); + if ( this.enabled ) { - } + weight = this.weight; + var interpolant = this._weightInterpolant; - } + if ( interpolant !== null ) { - // only Holes? -> probably all Shapes with wrong orientation - if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + var interpolantValue = interpolant.evaluate( time )[ 0 ]; + weight *= interpolantValue; - if ( newShapes.length > 1 ) { + if ( time > interpolant.parameterPositions[ 1 ] ) { - var ambiguous = false; - var toChange = []; + this.stopFading(); - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + if ( interpolantValue === 0 ) { - betterShapeHoles[ sIdx ] = []; + // faded out, disable + this.enabled = false; + + } + + } } - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + } - var sho = newShapeHoles[ sIdx ]; + this._effectiveWeight = weight; + return weight; - for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { + }, - var ho = sho[ hIdx ]; - var hole_unassigned = true; + _updateTimeScale: function( time ) { - for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + var timeScale = 0; - if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + if ( ! this.paused ) { - if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); - if ( hole_unassigned ) { + timeScale = this.timeScale; - hole_unassigned = false; - betterShapeHoles[ s2Idx ].push( ho ); + var interpolant = this._timeScaleInterpolant; - } else { + if ( interpolant !== null ) { - ambiguous = true; + var interpolantValue = interpolant.evaluate( time )[ 0 ]; - } + timeScale *= interpolantValue; - } + if ( time > interpolant.parameterPositions[ 1 ] ) { - } - if ( hole_unassigned ) { + this.stopWarping(); - betterShapeHoles[ sIdx ].push( ho ); + if ( timeScale === 0 ) { + + // motion has halted, pause + this.paused = true; + + } else { + + // warp done - apply final time scale + this.timeScale = timeScale; } } } - // console.log("ambiguous: ", ambiguous); - if ( toChange.length > 0 ) { - // console.log("to change: ", toChange); - if ( ! ambiguous ) newShapeHoles = betterShapeHoles; + } - } + this._effectiveTimeScale = timeScale; + return timeScale; - } + }, - var tmpHoles; + _updateTime: function( deltaTime ) { - for ( var i = 0, il = newShapes.length; i < il; i ++ ) { + var time = this.time + deltaTime; - tmpShape = newShapes[ i ].s; - shapes.push( tmpShape ); - tmpHoles = newShapeHoles[ i ]; + if ( deltaTime === 0 ) return time; - for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + var duration = this._clip.duration, - tmpShape.holes.push( tmpHoles[ j ].h ); + loop = this.loop, + loopCount = this._loopCount; - } + if ( loop === LoopOnce ) { - } + if ( loopCount === -1 ) { + // just started - //console.log("shape", shapes); + this.loopCount = 0; + this._setEndings( true, true, false ); - return shapes; + } - } - }; + handle_stop: { - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author mrdoob / http://mrdoob.com/ - */ + if ( time >= duration ) { - function Font( data ) { + time = duration; - this.data = data; + } else if ( time < 0 ) { - } + time = 0; - Object.assign( Font.prototype, { + } else break handle_stop; - isFont: true, + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; - generateShapes: function ( text, size, divisions ) { + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? -1 : 1 + } ); - function createPaths( text ) { + } - var chars = String( text ).split( '' ); - var scale = size / data.resolution; - var offset = 0; + } else { // repetitive Repeat or PingPong - var paths = []; + var pingPong = ( loop === LoopPingPong ); - for ( var i = 0; i < chars.length; i ++ ) { + if ( loopCount === -1 ) { + // just started - var ret = createPath( chars[ i ], scale, offset ); - offset += ret.offset; + if ( deltaTime >= 0 ) { - paths.push( ret.path ); + loopCount = 0; - } + this._setEndings( + true, this.repetitions === 0, pingPong ); - return paths; + } else { - } + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 - function createPath( c, scale, offset ) { + this._setEndings( + this.repetitions === 0, true, pingPong ); - var glyph = data.glyphs[ c ] || data.glyphs[ '?' ]; + } - if ( ! glyph ) return; + } - var path = new ShapePath(); + if ( time >= duration || time < 0 ) { + // wrap around - var pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3; - var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste; + var loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; - if ( glyph.o ) { + loopCount += Math.abs( loopDelta ); - var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); + var pending = this.repetitions - loopCount; - for ( var i = 0, l = outline.length; i < l; ) { + if ( pending < 0 ) { + // have to stop (switch state, clamp time, fire event) - var action = outline[ i ++ ]; + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; - switch ( action ) { + time = deltaTime > 0 ? duration : 0; - case 'm': // moveTo + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : -1 + } ); - x = outline[ i ++ ] * scale + offset; - y = outline[ i ++ ] * scale; + } else { + // keep running - path.moveTo( x, y ); + if ( pending === 0 ) { + // entering the last round - break; + var atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); - case 'l': // lineTo + } else { - x = outline[ i ++ ] * scale + offset; - y = outline[ i ++ ] * scale; + this._setEndings( false, false, pingPong ); - path.lineTo( x, y ); + } - break; + this._loopCount = loopCount; - case 'q': // quadraticCurveTo + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); - cpx = outline[ i ++ ] * scale + offset; - cpy = outline[ i ++ ] * scale; - cpx1 = outline[ i ++ ] * scale + offset; - cpy1 = outline[ i ++ ] * scale; + } - path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); + } - laste = pts[ pts.length - 1 ]; + if ( pingPong && ( loopCount & 1 ) === 1 ) { + // invert time for the "pong round" - if ( laste ) { + this.time = time; + return duration - time; - cpx0 = laste.x; - cpy0 = laste.y; + } - for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + } - var t = i2 / divisions; - b2( t, cpx0, cpx1, cpx ); - b2( t, cpy0, cpy1, cpy ); + this.time = time; + return time; - } + }, - } + _setEndings: function( atStart, atEnd, pingPong ) { - break; + var settings = this._interpolantSettings; - case 'b': // bezierCurveTo + if ( pingPong ) { - cpx = outline[ i ++ ] * scale + offset; - cpy = outline[ i ++ ] * scale; - cpx1 = outline[ i ++ ] * scale + offset; - cpy1 = outline[ i ++ ] * scale; - cpx2 = outline[ i ++ ] * scale + offset; - cpy2 = outline[ i ++ ] * scale; + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; - path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); + } else { - laste = pts[ pts.length - 1 ]; + // assuming for LoopOnce atStart == atEnd == true - if ( laste ) { + if ( atStart ) { - cpx0 = laste.x; - cpy0 = laste.y; + settings.endingStart = this.zeroSlopeAtStart ? + ZeroSlopeEnding : ZeroCurvatureEnding; - for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + } else { - var t = i2 / divisions; - b3( t, cpx0, cpx1, cpx2, cpx ); - b3( t, cpy0, cpy1, cpy2, cpy ); + settings.endingStart = WrapAroundEnding; - } + } - } + if ( atEnd ) { - break; + settings.endingEnd = this.zeroSlopeAtEnd ? + ZeroSlopeEnding : ZeroCurvatureEnding; - } + } else { - } + settings.endingEnd = WrapAroundEnding; } - return { offset: glyph.ha * scale, path: path }; - } - // - - if ( size === undefined ) size = 100; - if ( divisions === undefined ) divisions = 4; + }, - var data = this.data; + _scheduleFading: function( duration, weightNow, weightThen ) { - var paths = createPaths( text ); - var shapes = []; + var mixer = this._mixer, now = mixer.time, + interpolant = this._weightInterpolant; - for ( var p = 0, pl = paths.length; p < pl; p ++ ) { + if ( interpolant === null ) { - Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); + interpolant = mixer._lendControlInterpolant(), + this._weightInterpolant = interpolant; } - return shapes; + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; values[ 0 ] = weightNow; + times[ 1 ] = now + duration; values[ 1 ] = weightThen; + + return this; } - } ); + }; /** - * @author mrdoob / http://mrdoob.com/ + * + * Player for AnimationClips. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw */ - function FontLoader( manager ) { + function AnimationMixer( root ) { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; - } + this.time = 0; - Object.assign( FontLoader.prototype, { + this.timeScale = 1.0; - load: function ( url, onLoad, onProgress, onError ) { + } - var scope = this; + Object.assign( AnimationMixer.prototype, EventDispatcher.prototype, { - var loader = new XHRLoader( this.manager ); - loader.load( url, function ( text ) { + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction: function( clip, optionalRoot ) { - var json; + var root = optionalRoot || this._root, + rootUuid = root.uuid, - try { + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, - json = JSON.parse( text ); + clipUuid = clipObject !== null ? clipObject.uuid : clip, - } catch ( e ) { + actionsForClip = this._actionsByClip[ clipUuid ], + prototypeAction = null; - console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); - json = JSON.parse( text.substring( 65, text.length - 2 ) ); + if ( actionsForClip !== undefined ) { - } + var existingAction = + actionsForClip.actionByRoot[ rootUuid ]; - var font = scope.parse( json ); + if ( existingAction !== undefined ) { - if ( onLoad ) onLoad( font ); + return existingAction; - }, onProgress, onError ); + } - }, + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; - parse: function ( json ) { + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; - return new Font( json ); + } - } + // clip must be known when specified via string + if ( clipObject === null ) return null; - } ); + // allocate all resources required to run it + var newAction = new AnimationAction( this, clipObject, optionalRoot ); - var context; + this._bindAction( newAction, prototypeAction ); - function getAudioContext() { + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); - if ( context === undefined ) { + return newAction; - context = new ( window.AudioContext || window.webkitAudioContext )(); + }, - } + // get an existing action + existingAction: function( clip, optionalRoot ) { - return context; + var root = optionalRoot || this._root, + rootUuid = root.uuid, - } + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, - /** - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ + clipUuid = clipObject ? clipObject.uuid : clip, - function AudioLoader( manager ) { + actionsForClip = this._actionsByClip[ clipUuid ]; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + if ( actionsForClip !== undefined ) { - } + return actionsForClip.actionByRoot[ rootUuid ] || null; - Object.assign( AudioLoader.prototype, { + } - load: function ( url, onLoad, onProgress, onError ) { + return null; - var loader = new XHRLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); - loader.load( url, function ( buffer ) { + }, - var context = getAudioContext(); + // deactivates all previously scheduled actions + stopAllAction: function() { - context.decodeAudioData( buffer, function ( audioBuffer ) { + var actions = this._actions, + nActions = this._nActiveActions, + bindings = this._bindings, + nBindings = this._nActiveBindings; - onLoad( audioBuffer ); + this._nActiveActions = 0; + this._nActiveBindings = 0; - } ); + for ( var i = 0; i !== nActions; ++ i ) { - }, onProgress, onError ); + actions[ i ].reset(); - } + } - } ); + for ( var i = 0; i !== nBindings; ++ i ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + bindings[ i ].useCount = 0; - function StereoCamera() { + } - this.type = 'StereoCamera'; + return this; - this.aspect = 1; + }, - this.eyeSep = 0.064; + // advance the time and update apply the animation + update: function( deltaTime ) { - this.cameraL = new PerspectiveCamera(); - this.cameraL.layers.enable( 1 ); - this.cameraL.matrixAutoUpdate = false; + deltaTime *= this.timeScale; - this.cameraR = new PerspectiveCamera(); - this.cameraR.layers.enable( 2 ); - this.cameraR.matrixAutoUpdate = false; + var actions = this._actions, + nActions = this._nActiveActions, - } + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), - Object.assign( StereoCamera.prototype, { + accuIndex = this._accuIndex ^= 1; - update: ( function () { + // run active actions - var instance, focus, fov, aspect, near, far, zoom; + for ( var i = 0; i !== nActions; ++ i ) { - var eyeRight = new Matrix4(); - var eyeLeft = new Matrix4(); + var action = actions[ i ]; - return function update( camera ) { + if ( action.enabled ) { - var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov || - aspect !== camera.aspect * this.aspect || near !== camera.near || - far !== camera.far || zoom !== camera.zoom; + action._update( time, deltaTime, timeDirection, accuIndex ); - if ( needsUpdate ) { + } - instance = this; - focus = camera.focus; - fov = camera.fov; - aspect = camera.aspect * this.aspect; - near = camera.near; - far = camera.far; - zoom = camera.zoom; + } - // Off-axis stereoscopic effect based on - // http://paulbourke.net/stereographics/stereorender/ + // update scene graph - var projectionMatrix = camera.projectionMatrix.clone(); - var eyeSep = this.eyeSep / 2; - var eyeSepOnProjection = eyeSep * near / focus; - var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom; - var xmin, xmax; + var bindings = this._bindings, + nBindings = this._nActiveBindings; - // translate xOffset + for ( var i = 0; i !== nBindings; ++ i ) { - eyeLeft.elements[ 12 ] = - eyeSep; - eyeRight.elements[ 12 ] = eyeSep; + bindings[ i ].apply( accuIndex ); - // for left eye + } - xmin = - ymax * aspect + eyeSepOnProjection; - xmax = ymax * aspect + eyeSepOnProjection; + return this; - projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + }, - this.cameraL.projectionMatrix.copy( projectionMatrix ); + // return this mixer's root target object + getRoot: function() { - // for right eye + return this._root; - xmin = - ymax * aspect - eyeSepOnProjection; - xmax = ymax * aspect - eyeSepOnProjection; + }, - projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + // free all resources specific to a particular clip + uncacheClip: function( clip ) { - this.cameraR.projectionMatrix.copy( projectionMatrix ); + var actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; - } + if ( actionsForClip !== undefined ) { - this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft ); - this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight ); - - }; + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away - } )() + var actionsToRemove = actionsForClip.knownActions; - } ); + for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { - /** - * Camera for rendering cube maps - * - renders scene into axis-aligned cube - * - * @author alteredq / http://alteredqualia.com/ - */ + var action = actionsToRemove[ i ]; - function CubeCamera( near, far, cubeResolution ) { + this._deactivateAction( action ); - Object3D.call( this ); + var cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; - this.type = 'CubeCamera'; + action._cacheIndex = null; + action._byClipCacheIndex = null; - var fov = 90, aspect = 1; + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); - var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); - cameraPX.up.set( 0, - 1, 0 ); - cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); - this.add( cameraPX ); + this._removeInactiveBindingsForAction( action ); - var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); - cameraNX.up.set( 0, - 1, 0 ); - cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); - this.add( cameraNX ); + } - var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); - cameraPY.up.set( 0, 0, 1 ); - cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); - this.add( cameraPY ); + delete actionsByClip[ clipUuid ]; - var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); - cameraNY.up.set( 0, 0, - 1 ); - cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); - this.add( cameraNY ); + } - var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraPZ.up.set( 0, - 1, 0 ); - cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); - this.add( cameraPZ ); + }, - var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraNZ.up.set( 0, - 1, 0 ); - cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); - this.add( cameraNZ ); + // free all resources specific to a particular root target object + uncacheRoot: function( root ) { - var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; + var rootUuid = root.uuid, + actionsByClip = this._actionsByClip; - this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); + for ( var clipUuid in actionsByClip ) { - this.updateCubeMap = function ( renderer, scene ) { + var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; - if ( this.parent === null ) this.updateMatrixWorld(); + if ( action !== undefined ) { - var renderTarget = this.renderTarget; - var generateMipmaps = renderTarget.texture.generateMipmaps; + this._deactivateAction( action ); + this._removeInactiveAction( action ); - renderTarget.texture.generateMipmaps = false; + } - renderTarget.activeCubeFace = 0; - renderer.render( scene, cameraPX, renderTarget ); + } - renderTarget.activeCubeFace = 1; - renderer.render( scene, cameraNX, renderTarget ); + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; - renderTarget.activeCubeFace = 2; - renderer.render( scene, cameraPY, renderTarget ); + if ( bindingByName !== undefined ) { - renderTarget.activeCubeFace = 3; - renderer.render( scene, cameraNY, renderTarget ); + for ( var trackName in bindingByName ) { - renderTarget.activeCubeFace = 4; - renderer.render( scene, cameraPZ, renderTarget ); + var binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); - renderTarget.texture.generateMipmaps = generateMipmaps; + } - renderTarget.activeCubeFace = 5; - renderer.render( scene, cameraNZ, renderTarget ); + } - renderer.setRenderTarget( null ); + }, - }; + // remove a targeted clip from the cache + uncacheAction: function( clip, optionalRoot ) { - } + var action = this.existingAction( clip, optionalRoot ); - CubeCamera.prototype = Object.create( Object3D.prototype ); - CubeCamera.prototype.constructor = CubeCamera; + if ( action !== null ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + this._deactivateAction( action ); + this._removeInactiveAction( action ); - function AudioListener() { + } - Object3D.call( this ); + } - this.type = 'AudioListener'; + } ); - this.context = getAudioContext(); + // Implementation details: - this.gain = this.context.createGain(); - this.gain.connect( this.context.destination ); + Object.assign( AnimationMixer.prototype, { - this.filter = null; + _bindAction: function( action, prototypeAction ) { - } + var root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName, + bindingsByName = bindingsByRoot[ rootUuid ]; - AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { + if ( bindingsByName === undefined ) { - constructor: AudioListener, + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; - getInput: function () { + } - return this.gain; + for ( var i = 0; i !== nTracks; ++ i ) { - }, + var track = tracks[ i ], + trackName = track.name, + binding = bindingsByName[ trackName ]; - removeFilter: function ( ) { + if ( binding !== undefined ) { - if ( this.filter !== null ) { + bindings[ i ] = binding; - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); - this.gain.connect( this.context.destination ); - this.filter = null; + } else { - } + binding = bindings[ i ]; - }, + if ( binding !== undefined ) { - getFilter: function () { + // existing binding, make sure the cache knows - return this.filter; + if ( binding._cacheIndex === null ) { - }, + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); - setFilter: function ( value ) { + } - if ( this.filter !== null ) { + continue; - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); + } - } else { + var path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; - this.gain.disconnect( this.context.destination ); + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); - } + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); - this.filter = value; - this.gain.connect( this.filter ); - this.filter.connect( this.context.destination ); + bindings[ i ] = binding; - }, + } - getMasterVolume: function () { + interpolants[ i ].resultBuffer = binding.buffer; - return this.gain.gain.value; + } }, - setMasterVolume: function ( value ) { + _activateAction: function( action ) { - this.gain.gain.value = value; + if ( ! this._isActiveAction( action ) ) { - }, + if ( action._cacheIndex === null ) { - updateMatrixWorld: ( function () { + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind - var position = new Vector3(); - var quaternion = new Quaternion(); - var scale = new Vector3(); + var rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; - var orientation = new Vector3(); + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); - return function updateMatrixWorld( force ) { + this._addInactiveAction( action, clipUuid, rootUuid ); - Object3D.prototype.updateMatrixWorld.call( this, force ); + } - var listener = this.context.listener; - var up = this.up; + var bindings = action._propertyBindings; - this.matrixWorld.decompose( position, quaternion, scale ); + // increment reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + var binding = bindings[ i ]; - listener.setPosition( position.x, position.y, position.z ); - listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z ); + if ( binding.useCount ++ === 0 ) { - }; + this._lendBinding( binding ); + binding.saveOriginalState(); - } )() + } - } ); + } - /** - * @author mrdoob / http://mrdoob.com/ - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ + this._lendAction( action ); - function Audio( listener ) { + } - Object3D.call( this ); + }, - this.type = 'Audio'; + _deactivateAction: function( action ) { - this.context = listener.context; - this.source = this.context.createBufferSource(); - this.source.onended = this.onEnded.bind( this ); + if ( this._isActiveAction( action ) ) { - this.gain = this.context.createGain(); - this.gain.connect( listener.getInput() ); + var bindings = action._propertyBindings; - this.autoplay = false; + // decrement reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - this.startTime = 0; - this.playbackRate = 1; - this.isPlaying = false; - this.hasPlaybackControl = true; - this.sourceType = 'empty'; + var binding = bindings[ i ]; - this.filters = []; + if ( -- binding.useCount === 0 ) { - } + binding.restoreOriginalState(); + this._takeBackBinding( binding ); - Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { + } - constructor: Audio, + } - getOutput: function () { + this._takeBackAction( action ); - return this.gain; + } }, - setNodeSource: function ( audioNode ) { + // Memory manager - this.hasPlaybackControl = false; - this.sourceType = 'audioNode'; - this.source = audioNode; - this.connect(); + _initMemoryManager: function() { - return this; + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; - }, + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } - setBuffer: function ( audioBuffer ) { - this.source.buffer = audioBuffer; - this.sourceType = 'buffer'; + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; - if ( this.autoplay ) this.play(); + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > - return this; - }, + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; - play: function () { + var scope = this; - if ( this.isPlaying === true ) { + this.stats = { - console.warn( 'THREE.Audio: Audio is already playing.' ); - return; + actions: { + get total() { return scope._actions.length; }, + get inUse() { return scope._nActiveActions; } + }, + bindings: { + get total() { return scope._bindings.length; }, + get inUse() { return scope._nActiveBindings; } + }, + controlInterpolants: { + get total() { return scope._controlInterpolants.length; }, + get inUse() { return scope._nActiveControlInterpolants; } + } - } + }; - if ( this.hasPlaybackControl === false ) { + }, - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + // Memory management for AnimationAction objects - } + _isActiveAction: function( action ) { - var source = this.context.createBufferSource(); + var index = action._cacheIndex; + return index !== null && index < this._nActiveActions; - source.buffer = this.source.buffer; - source.loop = this.source.loop; - source.onended = this.source.onended; - source.start( 0, this.startTime ); - source.playbackRate.value = this.playbackRate; + }, - this.isPlaying = true; + _addInactiveAction: function( action, clipUuid, rootUuid ) { - this.source = source; + var actions = this._actions, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; - return this.connect(); + if ( actionsForClip === undefined ) { - }, + actionsForClip = { - pause: function () { + knownActions: [ action ], + actionByRoot: {} - if ( this.hasPlaybackControl === false ) { + }; - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + action._byClipCacheIndex = 0; + + actionsByClip[ clipUuid ] = actionsForClip; + + } else { + + var knownActions = actionsForClip.knownActions; + + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); } - this.source.stop(); - this.startTime = this.context.currentTime; - this.isPlaying = false; + action._cacheIndex = actions.length; + actions.push( action ); - return this; + actionsForClip.actionByRoot[ rootUuid ] = action; }, - stop: function () { - - if ( this.hasPlaybackControl === false ) { + _removeInactiveAction: function( action ) { - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + var actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; - } + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); - this.source.stop(); - this.startTime = 0; - this.isPlaying = false; + action._cacheIndex = null; - return this; - }, + var clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, - connect: function () { + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], - if ( this.filters.length > 0 ) { + byClipCacheIndex = action._byClipCacheIndex; - this.source.connect( this.filters[ 0 ] ); + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + action._byClipCacheIndex = null; - this.filters[ i - 1 ].connect( this.filters[ i ] ); - } + var actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( actions._localRoot || this._root ).uuid; - this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + delete actionByRoot[ rootUuid ]; - } else { + if ( knownActionsForClip.length === 0 ) { - this.source.connect( this.getOutput() ); + delete actionsByClip[ clipUuid ]; } - return this; + this._removeInactiveBindingsForAction( action ); }, - disconnect: function () { + _removeInactiveBindingsForAction: function( action ) { - if ( this.filters.length > 0 ) { + var bindings = action._propertyBindings; + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - this.source.disconnect( this.filters[ 0 ] ); + var binding = bindings[ i ]; - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + if ( -- binding.referenceCount === 0 ) { - this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + this._removeInactiveBinding( binding ); } - this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); - - } else { - - this.source.disconnect( this.getOutput() ); - } - return this; - }, - getFilters: function () { - - return this.filters; - - }, + _lendAction: function( action ) { - setFilters: function ( value ) { + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s - if ( ! value ) value = []; + var actions = this._actions, + prevIndex = action._cacheIndex, - if ( this.isPlaying === true ) { + lastActiveIndex = this._nActiveActions ++, - this.disconnect(); - this.filters = value; - this.connect(); + firstInactiveAction = actions[ lastActiveIndex ]; - } else { + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; - this.filters = value; + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; - } + }, - return this; + _takeBackAction: function( action ) { - }, + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a - getFilter: function () { + var actions = this._actions, + prevIndex = action._cacheIndex, - return this.getFilters()[ 0 ]; + firstInactiveIndex = -- this._nActiveActions, - }, + lastActiveAction = actions[ firstInactiveIndex ]; - setFilter: function ( filter ) { + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; - return this.setFilters( filter ? [ filter ] : [] ); + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; }, - setPlaybackRate: function ( value ) { - - if ( this.hasPlaybackControl === false ) { + // Memory management for PropertyMixer objects - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + _addInactiveBinding: function( binding, rootUuid, trackName ) { - } + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], - this.playbackRate = value; + bindings = this._bindings; - if ( this.isPlaying === true ) { + if ( bindingByName === undefined ) { - this.source.playbackRate.value = this.playbackRate; + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; } - return this; + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); }, - getPlaybackRate: function () { - - return this.playbackRate; + _removeInactiveBinding: function( binding ) { - }, + var bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], - onEnded: function () { + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; - this.isPlaying = false; + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); - }, + delete bindingByName[ trackName ]; - getLoop: function () { + remove_empty_map: { - if ( this.hasPlaybackControl === false ) { + for ( var _ in bindingByName ) break remove_empty_map; - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return false; + delete bindingsByRoot[ rootUuid ]; } - return this.source.loop; - }, - setLoop: function ( value ) { + _lendBinding: function( binding ) { - if ( this.hasPlaybackControl === false ) { + var bindings = this._bindings, + prevIndex = binding._cacheIndex, - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + lastActiveIndex = this._nActiveBindings ++, - } + firstInactiveBinding = bindings[ lastActiveIndex ]; - this.source.loop = value; + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; }, - getVolume: function () { + _takeBackBinding: function( binding ) { - return this.gain.gain.value; + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; }, - setVolume: function ( value ) { + // Memory management of Interpolants for weight and time scale - this.gain.gain.value = value; + _lendControlInterpolant: function() { - return this; + var interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++, + interpolant = interpolants[ lastActiveIndex ]; - } + if ( interpolant === undefined ) { - } ); + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, this._controlInterpolantsResultBuffer ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; - function PositionalAudio( listener ) { + } - Audio.call( this, listener ); + return interpolant; - this.panner = this.context.createPanner(); - this.panner.connect( this.gain ); + }, - } + _takeBackControlInterpolant: function( interpolant ) { - PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { + var interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, - constructor: PositionalAudio, + firstInactiveIndex = -- this._nActiveControlInterpolants, - getOutput: function () { + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; - return this.panner; + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; }, - getRefDistance: function () { + _controlInterpolantsResultBuffer: new Float32Array( 1 ) - return this.panner.refDistance; + } ); - }, + /** + * @author mrdoob / http://mrdoob.com/ + */ - setRefDistance: function ( value ) { + function Uniform( value ) { - this.panner.refDistance = value; + if ( typeof value === 'string' ) { - }, + console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); + value = arguments[ 1 ]; - getRolloffFactor: function () { + } - return this.panner.rolloffFactor; + this.value = value; - }, + } - setRolloffFactor: function ( value ) { + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - this.panner.rolloffFactor = value; + function InstancedBufferGeometry() { - }, + BufferGeometry.call( this ); - getDistanceModel: function () { + this.type = 'InstancedBufferGeometry'; + this.maxInstancedCount = undefined; - return this.panner.distanceModel; + } - }, + InstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + InstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry; - setDistanceModel: function ( value ) { + InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true; - this.panner.distanceModel = value; + InstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) { - }, + this.groups.push( { - getMaxDistance: function () { + start: start, + count: count, + materialIndex: materialIndex - return this.panner.maxDistance; + } ); - }, + }; - setMaxDistance: function ( value ) { + InstancedBufferGeometry.prototype.copy = function ( source ) { - this.panner.maxDistance = value; + var index = source.index; - }, + if ( index !== null ) { - updateMatrixWorld: ( function () { + this.setIndex( index.clone() ); - var position = new Vector3(); + } - return function updateMatrixWorld( force ) { + var attributes = source.attributes; - Object3D.prototype.updateMatrixWorld.call( this, force ); + for ( var name in attributes ) { - position.setFromMatrixPosition( this.matrixWorld ); + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); - this.panner.setPosition( position.x, position.y, position.z ); + } - }; + var groups = source.groups; - } )() + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + } - } ); + return this; + + }; /** - * @author mrdoob / http://mrdoob.com/ + * @author benaadams / https://twitter.com/ben_a_adams */ - function AudioAnalyser( audio, fftSize ) { + function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { - this.analyser = audio.context.createAnalyser(); - this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; + this.uuid = _Math.generateUUID(); - this.data = new Uint8Array( this.analyser.frequencyBinCount ); + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; - audio.getOutput().connect( this.analyser ); + this.normalized = normalized === true; } - Object.assign( AudioAnalyser.prototype, { - getFrequencyData: function () { + InterleavedBufferAttribute.prototype = { - this.analyser.getByteFrequencyData( this.data ); + constructor: InterleavedBufferAttribute, - return this.data; + isInterleavedBufferAttribute: true, - }, + get count() { - getAverageFrequency: function () { + return this.data.count; - var value = 0, data = this.getFrequencyData(); + }, - for ( var i = 0; i < data.length; i ++ ) { + get array() { - value += data[ i ]; + return this.data.array; - } + }, - return value / data.length; + setX: function ( index, x ) { - } + this.data.array[ index * this.data.stride + this.offset ] = x; - } ); + return this; - /** - * - * Buffered scene graph property that allows weighted accumulation. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + }, - function PropertyMixer( binding, typeName, valueSize ) { + setY: function ( index, y ) { - this.binding = binding; - this.valueSize = valueSize; + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; - var bufferType = Float64Array, - mixFunction; + return this; - switch ( typeName ) { + }, - case 'quaternion': mixFunction = this._slerp; break; + setZ: function ( index, z ) { - case 'string': - case 'bool': + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; - bufferType = Array, mixFunction = this._select; break; + return this; - default: mixFunction = this._lerp; + }, - } + setW: function ( index, w ) { - this.buffer = new bufferType( valueSize * 4 ); - // layout: [ incoming | accu0 | accu1 | orig ] - // - // interpolators can use .buffer as their .result - // the data then goes to 'incoming' - // - // 'accu0' and 'accu1' are used frame-interleaved for - // the cumulative result and are compared to detect - // changes - // - // 'orig' stores the original state of the property + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; - this._mixBufferRegion = mixFunction; + return this; - this.cumulativeWeight = 0; + }, - this.useCount = 0; - this.referenceCount = 0; + getX: function ( index ) { - } + return this.data.array[ index * this.data.stride + this.offset ]; - PropertyMixer.prototype = { + }, - constructor: PropertyMixer, + getY: function ( index ) { - // accumulate data in the 'incoming' region into 'accu' - accumulate: function( accuIndex, weight ) { + return this.data.array[ index * this.data.stride + this.offset + 1 ]; - // note: happily accumulating nothing when weight = 0, the caller knows - // the weight and shouldn't have made the call in the first place + }, - var buffer = this.buffer, - stride = this.valueSize, - offset = accuIndex * stride + stride, + getZ: function ( index ) { - currentWeight = this.cumulativeWeight; + return this.data.array[ index * this.data.stride + this.offset + 2 ]; - if ( currentWeight === 0 ) { + }, - // accuN := incoming * weight + getW: function ( index ) { - for ( var i = 0; i !== stride; ++ i ) { + return this.data.array[ index * this.data.stride + this.offset + 3 ]; - buffer[ offset + i ] = buffer[ i ]; + }, - } + setXY: function ( index, x, y ) { - currentWeight = weight; + index = index * this.data.stride + this.offset; - } else { + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; - // accuN := accuN + incoming * weight + return this; - currentWeight += weight; - var mix = weight / currentWeight; - this._mixBufferRegion( buffer, offset, 0, mix, stride ); + }, - } + setXYZ: function ( index, x, y, z ) { - this.cumulativeWeight = currentWeight; + index = index * this.data.stride + this.offset; - }, + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; - // apply the state of 'accu' to the binding when accus differ - apply: function( accuIndex ) { + return this; - var stride = this.valueSize, - buffer = this.buffer, - offset = accuIndex * stride + stride, + }, - weight = this.cumulativeWeight, + setXYZW: function ( index, x, y, z, w ) { - binding = this.binding; + index = index * this.data.stride + this.offset; - this.cumulativeWeight = 0; + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; - if ( weight < 1 ) { + return this; - // accuN := accuN + original * ( 1 - cumulativeWeight ) + } - var originalValueOffset = stride * 3; + }; - this._mixBufferRegion( - buffer, offset, originalValueOffset, 1 - weight, stride ); + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - } + function InterleavedBuffer( array, stride ) { - for ( var i = stride, e = stride + stride; i !== e; ++ i ) { + this.uuid = _Math.generateUUID(); - if ( buffer[ i ] !== buffer[ i + stride ] ) { + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; - // value has changed -> update scene graph + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; - binding.setValue( buffer, offset ); - break; + this.version = 0; - } + } - } + InterleavedBuffer.prototype = { - }, + constructor: InterleavedBuffer, - // remember the state of the bound property and copy it to both accus - saveOriginalState: function() { + isInterleavedBuffer: true, - var binding = this.binding; + set needsUpdate( value ) { - var buffer = this.buffer, - stride = this.valueSize, + if ( value === true ) this.version ++; - originalValueOffset = stride * 3; + }, - binding.getValue( buffer, originalValueOffset ); + setArray: function ( array ) { - // accu[0..1] := orig -- initially detect changes against the original - for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { + if ( Array.isArray( array ) ) { - buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); } - this.cumulativeWeight = 0; + this.count = array !== undefined ? array.length / this.stride : 0; + this.array = array; }, - // apply the state previously taken via 'saveOriginalState' to the binding - restoreOriginalState: function() { + setDynamic: function ( value ) { - var originalValueOffset = this.valueSize * 3; - this.binding.setValue( this.buffer, originalValueOffset ); + this.dynamic = value; - }, + return this; + }, - // mix functions + copy: function ( source ) { - _select: function( buffer, dstOffset, srcOffset, t, stride ) { + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.dynamic = source.dynamic; - if ( t >= 0.5 ) { + return this; - for ( var i = 0; i !== stride; ++ i ) { + }, - buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + copyAt: function ( index1, attribute, index2 ) { - } + index1 *= this.stride; + index2 *= attribute.stride; - } + for ( var i = 0, l = this.stride; i < l; i ++ ) { - }, + this.array[ index1 + i ] = attribute.array[ index2 + i ]; - _slerp: function( buffer, dstOffset, srcOffset, t, stride ) { + } - Quaternion.slerpFlat( buffer, dstOffset, - buffer, dstOffset, buffer, srcOffset, t ); + return this; }, - _lerp: function( buffer, dstOffset, srcOffset, t, stride ) { + set: function ( value, offset ) { - var s = 1 - t; + if ( offset === undefined ) offset = 0; - for ( var i = 0; i !== stride; ++ i ) { + this.array.set( value, offset ); - var j = dstOffset + i; + return this; - buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + }, - } + clone: function () { + + return new this.constructor().copy( this ); } }; /** - * - * A reference to a real property in the scene graph. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author benaadams / https://twitter.com/ben_a_adams */ - function PropertyBinding( rootNode, path, parsedPath ) { - - this.path = path; - this.parsedPath = parsedPath || - PropertyBinding.parseTrackName( path ); + function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { - this.node = PropertyBinding.findNode( - rootNode, this.parsedPath.nodeName ) || rootNode; + InterleavedBuffer.call( this, array, stride ); - this.rootNode = rootNode; + this.meshPerAttribute = meshPerAttribute || 1; } - PropertyBinding.prototype = { - - constructor: PropertyBinding, - - getValue: function getValue_unbound( targetArray, offset ) { + InstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype ); + InstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer; - this.bind(); - this.getValue( targetArray, offset ); + InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true; - // Note: This class uses a State pattern on a per-method basis: - // 'bind' sets 'this.getValue' / 'setValue' and shadows the - // prototype version of these methods with one that represents - // the bound state. When the property is not found, the methods - // become no-ops. + InstancedInterleavedBuffer.prototype.copy = function ( source ) { - }, + InterleavedBuffer.prototype.copy.call( this, source ); - setValue: function getValue_unbound( sourceArray, offset ) { + this.meshPerAttribute = source.meshPerAttribute; - this.bind(); - this.setValue( sourceArray, offset ); + return this; - }, + }; - // create getter / setter pair for a property in the scene graph - bind: function() { + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - var targetObject = this.node, - parsedPath = this.parsedPath, + function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) { - objectName = parsedPath.objectName, - propertyName = parsedPath.propertyName, - propertyIndex = parsedPath.propertyIndex; + BufferAttribute.call( this, array, itemSize ); - if ( ! targetObject ) { + this.meshPerAttribute = meshPerAttribute || 1; - targetObject = PropertyBinding.findNode( - this.rootNode, parsedPath.nodeName ) || this.rootNode; + } - this.node = targetObject; + InstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); + InstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute; - } + InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true; - // set fail state so we can just 'return' on error - this.getValue = this._getValue_unavailable; - this.setValue = this._setValue_unavailable; + InstancedBufferAttribute.prototype.copy = function ( source ) { - // ensure there is a value node - if ( ! targetObject ) { + BufferAttribute.prototype.copy.call( this, source ); - console.error( " trying to update node for track: " + this.path + " but it wasn't found." ); - return; + this.meshPerAttribute = source.meshPerAttribute; - } + return this; - if ( objectName ) { + }; - var objectIndex = parsedPath.objectIndex; - - // special cases were we need to reach deeper into the hierarchy to get the face materials.... - switch ( objectName ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author bhouston / http://clara.io/ + * @author stephomi / http://stephaneginier.com/ + */ - case 'materials': + function Raycaster( origin, direction, near, far ) { - if ( ! targetObject.material ) { + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) - console.error( ' can not bind to material as node does not have a material', this ); - return; + this.near = near || 0; + this.far = far || Infinity; - } + this.params = { + Mesh: {}, + Line: {}, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; - if ( ! targetObject.material.materials ) { + Object.defineProperties( this.params, { + PointCloud: { + get: function () { + console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); + return this.Points; + } + } + } ); - console.error( ' can not bind to material.materials as node.material does not have a materials array', this ); - return; + } - } + function ascSort( a, b ) { - targetObject = targetObject.material.materials; + return a.distance - b.distance; - break; + } - case 'bones': + function intersectObject( object, raycaster, intersects, recursive ) { - if ( ! targetObject.skeleton ) { + if ( object.visible === false ) return; - console.error( ' can not bind to bones as node does not have a skeleton', this ); - return; + object.raycast( raycaster, intersects ); - } + if ( recursive === true ) { - // potential future optimization: skip this if propertyIndex is already an integer - // and convert the integer string to a true integer. + var children = object.children; - targetObject = targetObject.skeleton.bones; + for ( var i = 0, l = children.length; i < l; i ++ ) { - // support resolving morphTarget names into indices. - for ( var i = 0; i < targetObject.length; i ++ ) { + intersectObject( children[ i ], raycaster, intersects, true ); - if ( targetObject[ i ].name === objectIndex ) { + } - objectIndex = i; - break; + } - } + } - } + // - break; + Raycaster.prototype = { - default: + constructor: Raycaster, - if ( targetObject[ objectName ] === undefined ) { + linePrecision: 1, - console.error( ' can not bind to objectName of node, undefined', this ); - return; + set: function ( origin, direction ) { - } + // direction is assumed to be normalized (for accurate distance calculations) - targetObject = targetObject[ objectName ]; + this.ray.set( origin, direction ); - } + }, + setFromCamera: function ( coords, camera ) { - if ( objectIndex !== undefined ) { + if ( (camera && camera.isPerspectiveCamera) ) { - if ( targetObject[ objectIndex ] === undefined ) { + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); - console.error( " trying to bind to objectIndex of objectName, but is undefined:", this, targetObject ); - return; + } else if ( (camera && camera.isOrthographicCamera) ) { - } + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); - targetObject = targetObject[ objectIndex ]; + } else { - } + console.error( 'THREE.Raycaster: Unsupported camera type.' ); } - // resolve property - var nodeProperty = targetObject[ propertyName ]; - - if ( nodeProperty === undefined ) { - - var nodeName = parsedPath.nodeName; + }, - console.error( " trying to update property for track: " + nodeName + - '.' + propertyName + " but it wasn't found.", targetObject ); - return; + intersectObject: function ( object, recursive ) { - } + var intersects = []; - // determine versioning scheme - var versioning = this.Versioning.None; + intersectObject( object, this, intersects, recursive ); - if ( targetObject.needsUpdate !== undefined ) { // material + intersects.sort( ascSort ); - versioning = this.Versioning.NeedsUpdate; - this.targetObject = targetObject; + return intersects; - } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + }, - versioning = this.Versioning.MatrixWorldNeedsUpdate; - this.targetObject = targetObject; + intersectObjects: function ( objects, recursive ) { - } + var intersects = []; - // determine how the property gets bound - var bindingType = this.BindingType.Direct; + if ( Array.isArray( objects ) === false ) { - if ( propertyIndex !== undefined ) { - // access a sub element of the property array (only primitives are supported right now) + console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); + return intersects; - if ( propertyName === "morphTargetInfluences" ) { - // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + } - // support resolving morphTarget names into indices. - if ( ! targetObject.geometry ) { + for ( var i = 0, l = objects.length; i < l; i ++ ) { - console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this ); - return; + intersectObject( objects[ i ], this, intersects, recursive ); - } + } - if ( ! targetObject.geometry.morphTargets ) { + intersects.sort( ascSort ); - console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this ); - return; + return intersects; - } + } - for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { + }; - if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { + /** + * @author alteredq / http://alteredqualia.com/ + */ - propertyIndex = i; - break; + function Clock( autoStart ) { - } + this.autoStart = ( autoStart !== undefined ) ? autoStart : true; - } + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; - } + this.running = false; - bindingType = this.BindingType.ArrayElement; + } - this.resolvedProperty = nodeProperty; - this.propertyIndex = propertyIndex; + Clock.prototype = { - } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { - // must use copy for Object3D.Euler/Quaternion + constructor: Clock, - bindingType = this.BindingType.HasFromToArray; + start: function () { - this.resolvedProperty = nodeProperty; + this.startTime = ( performance || Date ).now(); - } else if ( nodeProperty.length !== undefined ) { + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; - bindingType = this.BindingType.EntireArray; + }, - this.resolvedProperty = nodeProperty; + stop: function () { - } else { + this.getElapsedTime(); + this.running = false; - this.propertyName = propertyName; + }, - } + getElapsedTime: function () { - // select getter / setter - this.getValue = this.GetterByBindingType[ bindingType ]; - this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + this.getDelta(); + return this.elapsedTime; }, - unbind: function() { + getDelta: function () { - this.node = null; + var diff = 0; - // back to the prototype version of getValue / setValue - // note: avoiding to mutate the shape of 'this' via 'delete' - this.getValue = this._getValue_unbound; - this.setValue = this._setValue_unbound; + if ( this.autoStart && ! this.running ) { - } + this.start(); - }; + } - Object.assign( PropertyBinding.prototype, { // prototype, continued + if ( this.running ) { - // these are used to "bind" a nonexistent property - _getValue_unavailable: function() {}, - _setValue_unavailable: function() {}, + var newTime = ( performance || Date ).now(); - // initial state of these methods that calls 'bind' - _getValue_unbound: PropertyBinding.prototype.getValue, - _setValue_unbound: PropertyBinding.prototype.setValue, + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; - BindingType: { - Direct: 0, - EntireArray: 1, - ArrayElement: 2, - HasFromToArray: 3 - }, + this.elapsedTime += diff; - Versioning: { - None: 0, - NeedsUpdate: 1, - MatrixWorldNeedsUpdate: 2 - }, + } - GetterByBindingType: [ + return diff; - function getValue_direct( buffer, offset ) { + } - buffer[ offset ] = this.node[ this.propertyName ]; + }; - }, + /** + * Spline from Tween.js, slightly optimized (and trashed) + * http://sole.github.com/tween.js/examples/05_spline.html + * + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - function getValue_array( buffer, offset ) { + function Spline( points ) { - var source = this.resolvedProperty; + this.points = points; - for ( var i = 0, n = source.length; i !== n; ++ i ) { + var c = [], v3 = { x: 0, y: 0, z: 0 }, + point, intPoint, weight, w2, w3, + pa, pb, pc, pd; - buffer[ offset ++ ] = source[ i ]; + this.initFromArray = function ( a ) { - } + this.points = []; - }, + for ( var i = 0; i < a.length; i ++ ) { - function getValue_arrayElement( buffer, offset ) { + this.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] }; - buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + } - }, + }; - function getValue_toArray( buffer, offset ) { + this.getPoint = function ( k ) { - this.resolvedProperty.toArray( buffer, offset ); + point = ( this.points.length - 1 ) * k; + intPoint = Math.floor( point ); + weight = point - intPoint; - } + c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1; + c[ 1 ] = intPoint; + c[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1; + c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2; - ], + pa = this.points[ c[ 0 ] ]; + pb = this.points[ c[ 1 ] ]; + pc = this.points[ c[ 2 ] ]; + pd = this.points[ c[ 3 ] ]; - SetterByBindingTypeAndVersioning: [ + w2 = weight * weight; + w3 = weight * w2; - [ - // Direct + v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 ); + v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 ); + v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 ); - function setValue_direct( buffer, offset ) { + return v3; - this.node[ this.propertyName ] = buffer[ offset ]; + }; - }, + this.getControlPointsArray = function () { - function setValue_direct_setNeedsUpdate( buffer, offset ) { + var i, p, l = this.points.length, + coords = []; - this.node[ this.propertyName ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; + for ( i = 0; i < l; i ++ ) { - }, + p = this.points[ i ]; + coords[ i ] = [ p.x, p.y, p.z ]; - function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + } - this.node[ this.propertyName ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; + return coords; - } + }; - ], [ + // approximate length by summing linear segments - // EntireArray + this.getLength = function ( nSubDivisions ) { - function setValue_array( buffer, offset ) { + var i, index, nSamples, position, + point = 0, intPoint = 0, oldIntPoint = 0, + oldPosition = new Vector3(), + tmpVec = new Vector3(), + chunkLengths = [], + totalLength = 0; - var dest = this.resolvedProperty; + // first point has 0 length - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + chunkLengths[ 0 ] = 0; - dest[ i ] = buffer[ offset ++ ]; + if ( ! nSubDivisions ) nSubDivisions = 100; - } + nSamples = this.points.length * nSubDivisions; - }, + oldPosition.copy( this.points[ 0 ] ); - function setValue_array_setNeedsUpdate( buffer, offset ) { + for ( i = 1; i < nSamples; i ++ ) { - var dest = this.resolvedProperty; + index = i / nSamples; - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + position = this.getPoint( index ); + tmpVec.copy( position ); - dest[ i ] = buffer[ offset ++ ]; + totalLength += tmpVec.distanceTo( oldPosition ); - } + oldPosition.copy( position ); - this.targetObject.needsUpdate = true; + point = ( this.points.length - 1 ) * index; + intPoint = Math.floor( point ); - }, + if ( intPoint !== oldIntPoint ) { - function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + chunkLengths[ intPoint ] = totalLength; + oldIntPoint = intPoint; - var dest = this.resolvedProperty; + } - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + } - dest[ i ] = buffer[ offset ++ ]; + // last point ends with total length - } + chunkLengths[ chunkLengths.length ] = totalLength; - this.targetObject.matrixWorldNeedsUpdate = true; + return { chunks: chunkLengths, total: totalLength }; - } + }; - ], [ + this.reparametrizeByArcLength = function ( samplingCoef ) { - // ArrayElement + var i, j, + index, indexCurrent, indexNext, + realDistance, + sampling, position, + newpoints = [], + tmpVec = new Vector3(), + sl = this.getLength(); - function setValue_arrayElement( buffer, offset ) { + newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() ); - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + for ( i = 1; i < this.points.length; i ++ ) { - }, + //tmpVec.copy( this.points[ i - 1 ] ); + //linearDistance = tmpVec.distanceTo( this.points[ i ] ); - function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ]; - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; + sampling = Math.ceil( samplingCoef * realDistance / sl.total ); - }, + indexCurrent = ( i - 1 ) / ( this.points.length - 1 ); + indexNext = i / ( this.points.length - 1 ); - function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + for ( j = 1; j < sampling - 1; j ++ ) { - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; + index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent ); - } + position = this.getPoint( index ); + newpoints.push( tmpVec.copy( position ).clone() ); - ], [ + } - // HasToFromArray + newpoints.push( tmpVec.copy( this.points[ i ] ).clone() ); - function setValue_fromArray( buffer, offset ) { + } - this.resolvedProperty.fromArray( buffer, offset ); + this.points = newpoints; - }, + }; - function setValue_fromArray_setNeedsUpdate( buffer, offset ) { + // Catmull-Rom - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.needsUpdate = true; + function interpolate( p0, p1, p2, p3, t, t2, t3 ) { - }, + var v0 = ( p2 - p0 ) * 0.5, + v1 = ( p3 - p1 ) * 0.5; - function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1; - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.matrixWorldNeedsUpdate = true; + } - } + } - ] + /** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * The poles (phi) are at the positive and negative y axis. + * The equator starts at positive z. + */ - ] + function Spherical( radius, phi, theta ) { - } ); + this.radius = ( radius !== undefined ) ? radius : 1.0; + this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole + this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere - PropertyBinding.Composite = - function( targetGroup, path, optionalParsedPath ) { + return this; - var parsedPath = optionalParsedPath || - PropertyBinding.parseTrackName( path ); + } - this._targetGroup = targetGroup; - this._bindings = targetGroup.subscribe_( path, parsedPath ); + Spherical.prototype = { - }; + constructor: Spherical, - PropertyBinding.Composite.prototype = { + set: function ( radius, phi, theta ) { - constructor: PropertyBinding.Composite, + this.radius = radius; + this.phi = phi; + this.theta = theta; - getValue: function( array, offset ) { + return this; - this.bind(); // bind all binding + }, - var firstValidIndex = this._targetGroup.nCachedObjects_, - binding = this._bindings[ firstValidIndex ]; + clone: function () { - // and only call .getValue on the first - if ( binding !== undefined ) binding.getValue( array, offset ); + return new this.constructor().copy( this ); }, - setValue: function( array, offset ) { - - var bindings = this._bindings; - - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + copy: function ( other ) { - bindings[ i ].setValue( array, offset ); + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; - } + return this; }, - bind: function() { + // restrict phi to be betwee EPS and PI-EPS + makeSafe: function() { - var bindings = this._bindings; + var EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + return this; - bindings[ i ].bind(); + }, - } + setFromVector3: function( vec3 ) { - }, + this.radius = vec3.length(); - unbind: function() { + if ( this.radius === 0 ) { - var bindings = this._bindings; + this.theta = 0; + this.phi = 0; - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + } else { - bindings[ i ].unbind(); + this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis + this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle } - } + return this; + + }, }; - PropertyBinding.create = function( root, path, parsedPath ) { + /** + * @author alteredq / http://alteredqualia.com/ + */ - if ( ! ( (root && root.isAnimationObjectGroup) ) ) { + function MorphBlendMesh( geometry, material ) { - return new PropertyBinding( root, path, parsedPath ); + Mesh.call( this, geometry, material ); - } else { + this.animationsMap = {}; + this.animationsList = []; - return new PropertyBinding.Composite( root, path, parsedPath ); + // prepare default animation + // (all frames played together in 1 second) - } + var numFrames = this.geometry.morphTargets.length; - }; + var name = "__default"; - PropertyBinding.parseTrackName = function( trackName ) { + var startFrame = 0; + var endFrame = numFrames - 1; - // matches strings in the form of: - // nodeName.property - // nodeName.property[accessor] - // nodeName.material.property[accessor] - // uuid.property[accessor] - // uuid.objectName[objectIndex].propertyName[propertyIndex] - // parentName/nodeName.property - // parentName/parentName/nodeName.property[index] - // .bone[Armature.DEF_cog].position - // scene:helium_balloon_model:helium_balloon_model.position - // created and tested via https://regex101.com/#javascript + var fps = numFrames / 1; - var re = /^((?:\w+[\/:])*)(\w+)?(?:\.(\w+)(?:\[(.+)\])?)?\.(\w+)(?:\[(.+)\])?$/; - var matches = re.exec( trackName ); + this.createAnimation( name, startFrame, endFrame, fps ); + this.setAnimationWeight( name, 1 ); - if ( ! matches ) { + } - throw new Error( "cannot parse trackName at all: " + trackName ); + MorphBlendMesh.prototype = Object.create( Mesh.prototype ); + MorphBlendMesh.prototype.constructor = MorphBlendMesh; - } + MorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) { - var results = { - // directoryName: matches[ 1 ], // (tschw) currently unused - nodeName: matches[ 2 ], // allowed to be null, specified root node. - objectName: matches[ 3 ], - objectIndex: matches[ 4 ], - propertyName: matches[ 5 ], - propertyIndex: matches[ 6 ] // allowed to be null, specifies that the whole property is set. - }; + var animation = { - if ( results.propertyName === null || results.propertyName.length === 0 ) { + start: start, + end: end, - throw new Error( "can not parse propertyName from trackName: " + trackName ); + length: end - start + 1, - } + fps: fps, + duration: ( end - start ) / fps, - return results; + lastFrame: 0, + currentFrame: 0, - }; + active: false, - PropertyBinding.findNode = function( root, nodeName ) { + time: 0, + direction: 1, + weight: 1, - if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { + directionBackwards: false, + mirroredLoop: false - return root; + }; - } + this.animationsMap[ name ] = animation; + this.animationsList.push( animation ); - // search into skeleton bones. - if ( root.skeleton ) { + }; - var searchSkeleton = function( skeleton ) { + MorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) { - for( var i = 0; i < skeleton.bones.length; i ++ ) { + var pattern = /([a-z]+)_?(\d+)/i; - var bone = skeleton.bones[ i ]; + var firstAnimation, frameRanges = {}; - if ( bone.name === nodeName ) { + var geometry = this.geometry; - return bone; + for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) { - } - } + var morph = geometry.morphTargets[ i ]; + var chunks = morph.name.match( pattern ); - return null; + if ( chunks && chunks.length > 1 ) { - }; + var name = chunks[ 1 ]; - var bone = searchSkeleton( root.skeleton ); + if ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity }; - if ( bone ) { + var range = frameRanges[ name ]; - return bone; + if ( i < range.start ) range.start = i; + if ( i > range.end ) range.end = i; + + if ( ! firstAnimation ) firstAnimation = name; } - } - // search into node subtree. - if ( root.children ) { + } - var searchNodeSubtree = function( children ) { + for ( var name in frameRanges ) { - for( var i = 0; i < children.length; i ++ ) { + var range = frameRanges[ name ]; + this.createAnimation( name, range.start, range.end, fps ); - var childNode = children[ i ]; + } - if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + this.firstAnimation = firstAnimation; - return childNode; + }; - } + MorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) { - var result = searchNodeSubtree( childNode.children ); + var animation = this.animationsMap[ name ]; - if ( result ) return result; + if ( animation ) { - } + animation.direction = 1; + animation.directionBackwards = false; - return null; + } - }; + }; - var subTreeNode = searchNodeSubtree( root.children ); + MorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) { - if ( subTreeNode ) { + var animation = this.animationsMap[ name ]; - return subTreeNode; + if ( animation ) { - } + animation.direction = - 1; + animation.directionBackwards = true; } - return null; - }; - /** - * - * A group of objects that receives a shared animation state. - * - * Usage: - * - * - Add objects you would otherwise pass as 'root' to the - * constructor or the .clipAction method of AnimationMixer. - * - * - Instead pass this object as 'root'. - * - * - You can also add and remove objects later when the mixer - * is running. - * - * Note: - * - * Objects of this class appear as one object to the mixer, - * so cache control of the individual objects must be done - * on the group. - * - * Limitation: - * - * - The animated properties must be compatible among the - * all objects in the group. - * - * - A single property can either be controlled through a - * target group or directly, but not both. - * - * @author tschw - */ + MorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) { - function AnimationObjectGroup( var_args ) { + var animation = this.animationsMap[ name ]; - this.uuid = _Math.generateUUID(); + if ( animation ) { - // cached objects followed by the active ones - this._objects = Array.prototype.slice.call( arguments ); + animation.fps = fps; + animation.duration = ( animation.end - animation.start ) / animation.fps; - this.nCachedObjects_ = 0; // threshold - // note: read by PropertyBinding.Composite + } - var indices = {}; - this._indicesByUUID = indices; // for bookkeeping + }; - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + MorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) { - indices[ arguments[ i ].uuid ] = i; + var animation = this.animationsMap[ name ]; + + if ( animation ) { + + animation.duration = duration; + animation.fps = ( animation.end - animation.start ) / animation.duration; } - this._paths = []; // inside: string - this._parsedPaths = []; // inside: { we don't care, here } - this._bindings = []; // inside: Array< PropertyBinding > - this._bindingsIndicesByPath = {}; // inside: indices in these arrays + }; - var scope = this; + MorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) { - this.stats = { + var animation = this.animationsMap[ name ]; - objects: { - get total() { return scope._objects.length; }, - get inUse() { return this.total - scope.nCachedObjects_; } - }, + if ( animation ) { - get bindingsPerObject() { return scope._bindings.length; } + animation.weight = weight; - }; + } - } + }; - AnimationObjectGroup.prototype = { + MorphBlendMesh.prototype.setAnimationTime = function ( name, time ) { - constructor: AnimationObjectGroup, + var animation = this.animationsMap[ name ]; - isAnimationObjectGroup: true, + if ( animation ) { - add: function( var_args ) { + animation.time = time; - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - paths = this._paths, - parsedPaths = this._parsedPaths, - bindings = this._bindings, - nBindings = bindings.length; + } - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + }; - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; + MorphBlendMesh.prototype.getAnimationTime = function ( name ) { - if ( index === undefined ) { + var time = 0; - // unknown object -> add it to the ACTIVE region + var animation = this.animationsMap[ name ]; - index = nObjects ++; - indicesByUUID[ uuid ] = index; - objects.push( object ); + if ( animation ) { - // accounting is done, now do the same for all bindings + time = animation.time; - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + } - bindings[ j ].push( - new PropertyBinding( - object, paths[ j ], parsedPaths[ j ] ) ); + return time; - } + }; - } else if ( index < nCachedObjects ) { + MorphBlendMesh.prototype.getAnimationDuration = function ( name ) { - var knownObject = objects[ index ]; + var duration = - 1; - // move existing object to the ACTIVE region + var animation = this.animationsMap[ name ]; - var firstActiveIndex = -- nCachedObjects, - lastCachedObject = objects[ firstActiveIndex ]; + if ( animation ) { - indicesByUUID[ lastCachedObject.uuid ] = index; - objects[ index ] = lastCachedObject; + duration = animation.duration; - indicesByUUID[ uuid ] = firstActiveIndex; - objects[ firstActiveIndex ] = object; + } - // accounting is done, now do the same for all bindings + return duration; - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + }; - var bindingsForPath = bindings[ j ], - lastCached = bindingsForPath[ firstActiveIndex ], - binding = bindingsForPath[ index ]; + MorphBlendMesh.prototype.playAnimation = function ( name ) { - bindingsForPath[ index ] = lastCached; + var animation = this.animationsMap[ name ]; - if ( binding === undefined ) { + if ( animation ) { - // since we do not bother to create new bindings - // for objects that are cached, the binding may - // or may not exist + animation.time = 0; + animation.active = true; - binding = new PropertyBinding( - object, paths[ j ], parsedPaths[ j ] ); + } else { - } + console.warn( "THREE.MorphBlendMesh: animation[" + name + "] undefined in .playAnimation()" ); - bindingsForPath[ firstActiveIndex ] = binding; + } - } + }; - } else if ( objects[ index ] !== knownObject) { + MorphBlendMesh.prototype.stopAnimation = function ( name ) { - console.error( "Different objects with the same UUID " + - "detected. Clean the caches or recreate your " + - "infrastructure when reloading scenes..." ); + var animation = this.animationsMap[ name ]; - } // else the object is already where we want it to be + if ( animation ) { - } // for arguments + animation.active = false; - this.nCachedObjects_ = nCachedObjects; + } - }, + }; - remove: function( var_args ) { + MorphBlendMesh.prototype.update = function ( delta ) { - var objects = this._objects, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; + for ( var i = 0, il = this.animationsList.length; i < il; i ++ ) { - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + var animation = this.animationsList[ i ]; - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; + if ( ! animation.active ) continue; - if ( index !== undefined && index >= nCachedObjects ) { + var frameTime = animation.duration / animation.length; - // move existing object into the CACHED region + animation.time += animation.direction * delta; - var lastCachedIndex = nCachedObjects ++, - firstActiveObject = objects[ lastCachedIndex ]; + if ( animation.mirroredLoop ) { - indicesByUUID[ firstActiveObject.uuid ] = index; - objects[ index ] = firstActiveObject; + if ( animation.time > animation.duration || animation.time < 0 ) { - indicesByUUID[ uuid ] = lastCachedIndex; - objects[ lastCachedIndex ] = object; + animation.direction *= - 1; - // accounting is done, now do the same for all bindings + if ( animation.time > animation.duration ) { - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + animation.time = animation.duration; + animation.directionBackwards = true; - var bindingsForPath = bindings[ j ], - firstActive = bindingsForPath[ lastCachedIndex ], - binding = bindingsForPath[ index ]; + } - bindingsForPath[ index ] = firstActive; - bindingsForPath[ lastCachedIndex ] = binding; + if ( animation.time < 0 ) { + + animation.time = 0; + animation.directionBackwards = false; } } - } // for arguments + } else { - this.nCachedObjects_ = nCachedObjects; + animation.time = animation.time % animation.duration; - }, + if ( animation.time < 0 ) animation.time += animation.duration; - // remove & forget - uncache: function( var_args ) { + } - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; + var keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 ); + var weight = animation.weight; - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + if ( keyframe !== animation.currentFrame ) { - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; + this.morphTargetInfluences[ animation.lastFrame ] = 0; + this.morphTargetInfluences[ animation.currentFrame ] = 1 * weight; - if ( index !== undefined ) { + this.morphTargetInfluences[ keyframe ] = 0; - delete indicesByUUID[ uuid ]; + animation.lastFrame = animation.currentFrame; + animation.currentFrame = keyframe; - if ( index < nCachedObjects ) { + } - // object is cached, shrink the CACHED region + var mix = ( animation.time % frameTime ) / frameTime; - var firstActiveIndex = -- nCachedObjects, - lastCachedObject = objects[ firstActiveIndex ], - lastIndex = -- nObjects, - lastObject = objects[ lastIndex ]; + if ( animation.directionBackwards ) mix = 1 - mix; - // last cached object takes this object's place - indicesByUUID[ lastCachedObject.uuid ] = index; - objects[ index ] = lastCachedObject; + if ( animation.currentFrame !== animation.lastFrame ) { - // last object goes to the activated slot and pop - indicesByUUID[ lastObject.uuid ] = firstActiveIndex; - objects[ firstActiveIndex ] = lastObject; - objects.pop(); + this.morphTargetInfluences[ animation.currentFrame ] = mix * weight; + this.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight; - // accounting is done, now do the same for all bindings + } else { - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + this.morphTargetInfluences[ animation.currentFrame ] = weight; - var bindingsForPath = bindings[ j ], - lastCached = bindingsForPath[ firstActiveIndex ], - last = bindingsForPath[ lastIndex ]; + } - bindingsForPath[ index ] = lastCached; - bindingsForPath[ firstActiveIndex ] = last; - bindingsForPath.pop(); + } - } + }; - } else { + /** + * @author alteredq / http://alteredqualia.com/ + */ - // object is active, just swap with the last and pop + function ImmediateRenderObject( material ) { - var lastIndex = -- nObjects, - lastObject = objects[ lastIndex ]; + Object3D.call( this ); - indicesByUUID[ lastObject.uuid ] = index; - objects[ index ] = lastObject; - objects.pop(); + this.material = material; + this.render = function ( renderCallback ) {}; - // accounting is done, now do the same for all bindings + } - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); + ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; - var bindingsForPath = bindings[ j ]; + ImmediateRenderObject.prototype.isImmediateRenderObject = true; - bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; - bindingsForPath.pop(); + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - } + function VertexNormalsHelper( object, size, hex, linewidth ) { - } // cached or active + this.object = object; - } // if object is known + this.size = ( size !== undefined ) ? size : 1; - } // for arguments + var color = ( hex !== undefined ) ? hex : 0xff0000; - this.nCachedObjects_ = nCachedObjects; + var width = ( linewidth !== undefined ) ? linewidth : 1; - }, + // - // Internal interface used by befriended PropertyBinding.Composite: + var nNormals = 0; - subscribe_: function( path, parsedPath ) { - // returns an array of bindings for the given path that is changed - // according to the contained objects in the group + var objGeometry = this.object.geometry; - var indicesByPath = this._bindingsIndicesByPath, - index = indicesByPath[ path ], - bindings = this._bindings; + if ( (objGeometry && objGeometry.isGeometry) ) { - if ( index !== undefined ) return bindings[ index ]; + nNormals = objGeometry.faces.length * 3; - var paths = this._paths, - parsedPaths = this._parsedPaths, - objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - bindingsForPath = new Array( nObjects ); + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { - index = bindings.length; + nNormals = objGeometry.attributes.normal.count; - indicesByPath[ path ] = index; + } - paths.push( path ); - parsedPaths.push( parsedPath ); - bindings.push( bindingsForPath ); + // - for ( var i = nCachedObjects, - n = objects.length; i !== n; ++ i ) { + var geometry = new BufferGeometry(); - var object = objects[ i ]; + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); - bindingsForPath[ i ] = - new PropertyBinding( object, path, parsedPath ); + geometry.addAttribute( 'position', positions ); - } + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - return bindingsForPath; + // - }, + this.matrixAutoUpdate = false; - unsubscribe_: function( path ) { - // tells the group to forget about a property path and no longer - // update the array previously obtained with 'subscribe_' + this.update(); - var indicesByPath = this._bindingsIndicesByPath, - index = indicesByPath[ path ]; + } - if ( index !== undefined ) { + VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); + VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; - var paths = this._paths, - parsedPaths = this._parsedPaths, - bindings = this._bindings, - lastBindingsIndex = bindings.length - 1, - lastBindings = bindings[ lastBindingsIndex ], - lastBindingsPath = path[ lastBindingsIndex ]; + VertexNormalsHelper.prototype.update = ( function () { - indicesByPath[ lastBindingsPath ] = index; + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); - bindings[ index ] = lastBindings; - bindings.pop(); + return function update() { - parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; - parsedPaths.pop(); + var keys = [ 'a', 'b', 'c' ]; - paths[ index ] = paths[ lastBindingsIndex ]; - paths.pop(); + this.object.updateMatrixWorld( true ); - } + normalMatrix.getNormalMatrix( this.object.matrixWorld ); - } + var matrixWorld = this.object.matrixWorld; - }; + var position = this.geometry.attributes.position; - /** - * - * Action provided by AnimationMixer for scheduling clip playback on specific - * objects. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - * - */ + // - function AnimationAction( mixer, clip, localRoot ) { + var objGeometry = this.object.geometry; - this._mixer = mixer; - this._clip = clip; - this._localRoot = localRoot || null; + if ( (objGeometry && objGeometry.isGeometry) ) { - var tracks = clip.tracks, - nTracks = tracks.length, - interpolants = new Array( nTracks ); + var vertices = objGeometry.vertices; - var interpolantSettings = { - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding - }; + var faces = objGeometry.faces; - for ( var i = 0; i !== nTracks; ++ i ) { + var idx = 0; - var interpolant = tracks[ i ].createInterpolant( null ); - interpolants[ i ] = interpolant; - interpolant.settings = interpolantSettings; + for ( var i = 0, l = faces.length; i < l; i ++ ) { - } + var face = faces[ i ]; - this._interpolantSettings = interpolantSettings; + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - this._interpolants = interpolants; // bound by the mixer + var vertex = vertices[ face[ keys[ j ] ] ]; - // inside: PropertyMixer (managed by the mixer) - this._propertyBindings = new Array( nTracks ); + var normal = face.vertexNormals[ j ]; - this._cacheIndex = null; // for the memory manager - this._byClipCacheIndex = null; // for the memory manager + v1.copy( vertex ).applyMatrix4( matrixWorld ); - this._timeScaleInterpolant = null; - this._weightInterpolant = null; + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - this.loop = LoopRepeat; - this._loopCount = -1; + position.setXYZ( idx, v1.x, v1.y, v1.z ); - // global mixer time when the action is to be started - // it's set back to 'null' upon start of the action - this._startTime = null; + idx = idx + 1; - // scaled local time of the action - // gets clamped or wrapped to 0..clip.duration according to loop - this.time = 0; + position.setXYZ( idx, v2.x, v2.y, v2.z ); - this.timeScale = 1; - this._effectiveTimeScale = 1; + idx = idx + 1; - this.weight = 1; - this._effectiveWeight = 1; + } - this.repetitions = Infinity; // no. of repetitions when looping + } - this.paused = false; // false -> zero effective time scale - this.enabled = true; // true -> zero effective weight + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { - this.clampWhenFinished = false; // keep feeding the last frame? + var objPos = objGeometry.attributes.position; - this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate - this.zeroSlopeAtEnd = true; // clips for start, loop and end + var objNorm = objGeometry.attributes.normal; - } + var idx = 0; - AnimationAction.prototype = { + // for simplicity, ignore index and drawcalls, and render every normal - constructor: AnimationAction, + for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { - // State & Scheduling + v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); - play: function() { + v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); - this._mixer._activateAction( this ); + v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - return this; + position.setXYZ( idx, v1.x, v1.y, v1.z ); - }, + idx = idx + 1; - stop: function() { + position.setXYZ( idx, v2.x, v2.y, v2.z ); - this._mixer._deactivateAction( this ); + idx = idx + 1; - return this.reset(); + } - }, + } - reset: function() { + position.needsUpdate = true; - this.paused = false; - this.enabled = true; + return this; - this.time = 0; // restart clip - this._loopCount = -1; // forget previous loops - this._startTime = null; // forget scheduling + }; - return this.stopFading().stopWarping(); + }() ); - }, + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - isRunning: function() { + function SpotLightHelper( light ) { - return this.enabled && ! this.paused && this.timeScale !== 0 && - this._startTime === null && this._mixer._isActiveAction( this ); + Object3D.call( this ); - }, + this.light = light; + this.light.updateMatrixWorld(); - // return true when play has been called - isScheduled: function() { + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - return this._mixer._isActiveAction( this ); + var geometry = new BufferGeometry(); - }, + var positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; - startAt: function( time ) { + for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { - this._startTime = time; + var p1 = ( i / l ) * Math.PI * 2; + var p2 = ( j / l ) * Math.PI * 2; - return this; + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); - }, + } - setLoop: function( mode, repetitions ) { + geometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) ); - this.loop = mode; - this.repetitions = repetitions; + var material = new LineBasicMaterial( { fog: false } ); - return this; + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); - }, + this.update(); - // Weight + } - // set the weight stopping any scheduled fading - // although .enabled = false yields an effective weight of zero, this - // method does *not* change .enabled, because it would be confusing - setEffectiveWeight: function( weight ) { + SpotLightHelper.prototype = Object.create( Object3D.prototype ); + SpotLightHelper.prototype.constructor = SpotLightHelper; - this.weight = weight; + SpotLightHelper.prototype.dispose = function () { - // note: same logic as when updated at runtime - this._effectiveWeight = this.enabled ? weight : 0; + this.cone.geometry.dispose(); + this.cone.material.dispose(); - return this.stopFading(); + }; - }, + SpotLightHelper.prototype.update = function () { - // return the weight considering fading and .enabled - getEffectiveWeight: function() { + var vector = new Vector3(); + var vector2 = new Vector3(); - return this._effectiveWeight; + return function update() { - }, + var coneLength = this.light.distance ? this.light.distance : 1000; + var coneWidth = coneLength * Math.tan( this.light.angle ); - fadeIn: function( duration ) { + this.cone.scale.set( coneWidth, coneWidth, coneLength ); - return this._scheduleFading( duration, 0, 1 ); + vector.setFromMatrixPosition( this.light.matrixWorld ); + vector2.setFromMatrixPosition( this.light.target.matrixWorld ); - }, + this.cone.lookAt( vector2.sub( vector ) ); - fadeOut: function( duration ) { + this.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - return this._scheduleFading( duration, 1, 0 ); + }; - }, + }(); - crossFadeFrom: function( fadeOutAction, duration, warp ) { + /** + * @author Sean Griffin / http://twitter.com/sgrif + * @author Michael Guerrero / http://realitymeltdown.com + * @author mrdoob / http://mrdoob.com/ + * @author ikerr / http://verold.com + */ - fadeOutAction.fadeOut( duration ); - this.fadeIn( duration ); + function SkeletonHelper( object ) { - if( warp ) { + this.bones = this.getBoneList( object ); - var fadeInDuration = this._clip.duration, - fadeOutDuration = fadeOutAction._clip.duration, + var geometry = new Geometry(); - startEndRatio = fadeOutDuration / fadeInDuration, - endStartRatio = fadeInDuration / fadeOutDuration; + for ( var i = 0; i < this.bones.length; i ++ ) { - fadeOutAction.warp( 1.0, startEndRatio, duration ); - this.warp( endStartRatio, 1.0, duration ); + var bone = this.bones[ i ]; - } + if ( (bone.parent && bone.parent.isBone) ) { - return this; + geometry.vertices.push( new Vector3() ); + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( 0, 0, 1 ) ); + geometry.colors.push( new Color( 0, 1, 0 ) ); - }, + } - crossFadeTo: function( fadeInAction, duration, warp ) { + } - return fadeInAction.crossFadeFrom( this, duration, warp ); + geometry.dynamic = true; - }, + var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); - stopFading: function() { + LineSegments.call( this, geometry, material ); - var weightInterpolant = this._weightInterpolant; + this.root = object; - if ( weightInterpolant !== null ) { + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; - this._weightInterpolant = null; - this._mixer._takeBackControlInterpolant( weightInterpolant ); + this.update(); - } + } - return this; - }, + SkeletonHelper.prototype = Object.create( LineSegments.prototype ); + SkeletonHelper.prototype.constructor = SkeletonHelper; - // Time Scale Control + SkeletonHelper.prototype.getBoneList = function( object ) { - // set the weight stopping any scheduled warping - // although .paused = true yields an effective time scale of zero, this - // method does *not* change .paused, because it would be confusing - setEffectiveTimeScale: function( timeScale ) { + var boneList = []; - this.timeScale = timeScale; - this._effectiveTimeScale = this.paused ? 0 :timeScale; + if ( (object && object.isBone) ) { - return this.stopWarping(); + boneList.push( object ); - }, + } - // return the time scale considering warping and .paused - getEffectiveTimeScale: function() { + for ( var i = 0; i < object.children.length; i ++ ) { - return this._effectiveTimeScale; + boneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) ); - }, + } - setDuration: function( duration ) { + return boneList; - this.timeScale = this._clip.duration / duration; + }; - return this.stopWarping(); + SkeletonHelper.prototype.update = function () { - }, + var geometry = this.geometry; - syncWith: function( action ) { + var matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld ); - this.time = action.time; - this.timeScale = action.timeScale; + var boneMatrix = new Matrix4(); - return this.stopWarping(); + var j = 0; - }, + for ( var i = 0; i < this.bones.length; i ++ ) { - halt: function( duration ) { + var bone = this.bones[ i ]; - return this.warp( this._effectiveTimeScale, 0, duration ); + if ( (bone.parent && bone.parent.isBone) ) { - }, + boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld ); + geometry.vertices[ j ].setFromMatrixPosition( boneMatrix ); - warp: function( startTimeScale, endTimeScale, duration ) { + boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld ); + geometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix ); - var mixer = this._mixer, now = mixer.time, - interpolant = this._timeScaleInterpolant, + j += 2; - timeScale = this.timeScale; + } - if ( interpolant === null ) { + } - interpolant = mixer._lendControlInterpolant(), - this._timeScaleInterpolant = interpolant; + geometry.verticesNeedUpdate = true; - } + geometry.computeBoundingSphere(); - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; + }; - times[ 0 ] = now; - times[ 1 ] = now + duration; + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - values[ 0 ] = startTimeScale / timeScale; - values[ 1 ] = endTimeScale / timeScale; + function PointLightHelper( light, sphereSize ) { - return this; + this.light = light; + this.light.updateMatrixWorld(); - }, + var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); + var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); + material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - stopWarping: function() { + Mesh.call( this, geometry, material ); - var timeScaleInterpolant = this._timeScaleInterpolant; + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; - if ( timeScaleInterpolant !== null ) { + /* + var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); + var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); - this._timeScaleInterpolant = null; - this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); - } + var d = light.distance; - return this; + if ( d === 0.0 ) { - }, + this.lightDistance.visible = false; - // Object Accessors + } else { - getMixer: function() { + this.lightDistance.scale.set( d, d, d ); - return this._mixer; + } - }, + this.add( this.lightDistance ); + */ - getClip: function() { + } - return this._clip; + PointLightHelper.prototype = Object.create( Mesh.prototype ); + PointLightHelper.prototype.constructor = PointLightHelper; - }, + PointLightHelper.prototype.dispose = function () { - getRoot: function() { + this.geometry.dispose(); + this.material.dispose(); - return this._localRoot || this._mixer._root; + }; - }, + PointLightHelper.prototype.update = function () { - // Interna + this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - _update: function( time, deltaTime, timeDirection, accuIndex ) { - // called by the mixer + /* + var d = this.light.distance; - var startTime = this._startTime; + if ( d === 0.0 ) { - if ( startTime !== null ) { + this.lightDistance.visible = false; - // check for scheduled start of action + } else { - var timeRunning = ( time - startTime ) * timeDirection; - if ( timeRunning < 0 || timeDirection === 0 ) { + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); - return; // yet to come / don't decide when delta = 0 + } + */ - } + }; - // start + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - this._startTime = null; // unschedule - deltaTime = timeDirection * timeRunning; + function HemisphereLightHelper( light, sphereSize ) { - } + Object3D.call( this ); - // apply time scale and advance time + this.light = light; + this.light.updateMatrixWorld(); - deltaTime *= this._updateTimeScale( time ); - var clipTime = this._updateTime( deltaTime ); + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - // note: _updateTime may disable the action resulting in - // an effective weight of 0 + this.colors = [ new Color(), new Color() ]; - var weight = this._updateWeight( time ); + var geometry = new SphereGeometry( sphereSize, 4, 2 ); + geometry.rotateX( - Math.PI / 2 ); - if ( weight > 0 ) { + for ( var i = 0, il = 8; i < il; i ++ ) { - var interpolants = this._interpolants; - var propertyMixers = this._propertyBindings; + geometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ]; - for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { + } - interpolants[ j ].evaluate( clipTime ); - propertyMixers[ j ].accumulate( accuIndex, weight ); + var material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } ); - } + this.lightSphere = new Mesh( geometry, material ); + this.add( this.lightSphere ); - } + this.update(); - }, + } - _updateWeight: function( time ) { + HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); + HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; - var weight = 0; + HemisphereLightHelper.prototype.dispose = function () { - if ( this.enabled ) { + this.lightSphere.geometry.dispose(); + this.lightSphere.material.dispose(); - weight = this.weight; - var interpolant = this._weightInterpolant; + }; - if ( interpolant !== null ) { + HemisphereLightHelper.prototype.update = function () { - var interpolantValue = interpolant.evaluate( time )[ 0 ]; + var vector = new Vector3(); - weight *= interpolantValue; + return function update() { - if ( time > interpolant.parameterPositions[ 1 ] ) { + this.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity ); + this.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity ); - this.stopFading(); + this.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + this.lightSphere.geometry.colorsNeedUpdate = true; - if ( interpolantValue === 0 ) { + }; - // faded out, disable - this.enabled = false; + }(); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function GridHelper( size, divisions, color1, color2 ) { - } + divisions = divisions || 1; + color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); + color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); - } + var center = divisions / 2; + var step = ( size * 2 ) / divisions; + var vertices = [], colors = []; - this._effectiveWeight = weight; - return weight; + for ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) { - }, + vertices.push( - size, 0, k, size, 0, k ); + vertices.push( k, 0, - size, k, 0, size ); - _updateTimeScale: function( time ) { + var color = i === center ? color1 : color2; - var timeScale = 0; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; - if ( ! this.paused ) { + } - timeScale = this.timeScale; + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) ); - var interpolant = this._timeScaleInterpolant; + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - if ( interpolant !== null ) { + LineSegments.call( this, geometry, material ); - var interpolantValue = interpolant.evaluate( time )[ 0 ]; + } - timeScale *= interpolantValue; + GridHelper.prototype = Object.create( LineSegments.prototype ); + GridHelper.prototype.constructor = GridHelper; - if ( time > interpolant.parameterPositions[ 1 ] ) { + GridHelper.prototype.setColors = function () { - this.stopWarping(); + console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); - if ( timeScale === 0 ) { + }; - // motion has halted, pause - this.paused = true; + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - } else { + function FaceNormalsHelper( object, size, hex, linewidth ) { - // warp done - apply final time scale - this.timeScale = timeScale; + // FaceNormalsHelper only supports THREE.Geometry - } + this.object = object; - } + this.size = ( size !== undefined ) ? size : 1; - } + var color = ( hex !== undefined ) ? hex : 0xffff00; - } + var width = ( linewidth !== undefined ) ? linewidth : 1; - this._effectiveTimeScale = timeScale; - return timeScale; + // - }, + var nNormals = 0; - _updateTime: function( deltaTime ) { + var objGeometry = this.object.geometry; - var time = this.time + deltaTime; + if ( (objGeometry && objGeometry.isGeometry) ) { - if ( deltaTime === 0 ) return time; + nNormals = objGeometry.faces.length; - var duration = this._clip.duration, + } else { - loop = this.loop, - loopCount = this._loopCount; + console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); - if ( loop === LoopOnce ) { + } - if ( loopCount === -1 ) { - // just started + // - this.loopCount = 0; - this._setEndings( true, true, false ); + var geometry = new BufferGeometry(); - } + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); - handle_stop: { + geometry.addAttribute( 'position', positions ); - if ( time >= duration ) { + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - time = duration; + // - } else if ( time < 0 ) { + this.matrixAutoUpdate = false; + this.update(); - time = 0; + } - } else break handle_stop; + FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); + FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; + FaceNormalsHelper.prototype.update = ( function () { - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime < 0 ? -1 : 1 - } ); + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); - } + return function update() { - } else { // repetitive Repeat or PingPong + this.object.updateMatrixWorld( true ); - var pingPong = ( loop === LoopPingPong ); + normalMatrix.getNormalMatrix( this.object.matrixWorld ); - if ( loopCount === -1 ) { - // just started + var matrixWorld = this.object.matrixWorld; - if ( deltaTime >= 0 ) { + var position = this.geometry.attributes.position; - loopCount = 0; + // - this._setEndings( - true, this.repetitions === 0, pingPong ); + var objGeometry = this.object.geometry; - } else { + var vertices = objGeometry.vertices; - // when looping in reverse direction, the initial - // transition through zero counts as a repetition, - // so leave loopCount at -1 + var faces = objGeometry.faces; - this._setEndings( - this.repetitions === 0, true, pingPong ); + var idx = 0; - } + for ( var i = 0, l = faces.length; i < l; i ++ ) { - } + var face = faces[ i ]; - if ( time >= duration || time < 0 ) { - // wrap around + var normal = face.normal; - var loopDelta = Math.floor( time / duration ); // signed - time -= duration * loopDelta; + v1.copy( vertices[ face.a ] ) + .add( vertices[ face.b ] ) + .add( vertices[ face.c ] ) + .divideScalar( 3 ) + .applyMatrix4( matrixWorld ); - loopCount += Math.abs( loopDelta ); + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - var pending = this.repetitions - loopCount; + position.setXYZ( idx, v1.x, v1.y, v1.z ); - if ( pending < 0 ) { - // have to stop (switch state, clamp time, fire event) + idx = idx + 1; - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; + position.setXYZ( idx, v2.x, v2.y, v2.z ); - time = deltaTime > 0 ? duration : 0; + idx = idx + 1; - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime > 0 ? 1 : -1 - } ); + } - } else { - // keep running + position.needsUpdate = true; - if ( pending === 0 ) { - // entering the last round + return this; - var atStart = deltaTime < 0; - this._setEndings( atStart, ! atStart, pingPong ); + }; - } else { + }() ); - this._setEndings( false, false, pingPong ); + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - } + function DirectionalLightHelper( light, size ) { - this._loopCount = loopCount; + Object3D.call( this ); - this._mixer.dispatchEvent( { - type: 'loop', action: this, loopDelta: loopDelta - } ); + this.light = light; + this.light.updateMatrixWorld(); - } + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - } + if ( size === undefined ) size = 1; - if ( pingPong && ( loopCount & 1 ) === 1 ) { - // invert time for the "pong round" + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); - this.time = time; - return duration - time; + var material = new LineBasicMaterial( { fog: false } ); - } + this.add( new Line( geometry, material ) ); - } + geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); - this.time = time; - return time; + this.add( new Line( geometry, material )); - }, + this.update(); - _setEndings: function( atStart, atEnd, pingPong ) { + } - var settings = this._interpolantSettings; + DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); + DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; - if ( pingPong ) { + DirectionalLightHelper.prototype.dispose = function () { - settings.endingStart = ZeroSlopeEnding; - settings.endingEnd = ZeroSlopeEnding; + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; - } else { + lightPlane.geometry.dispose(); + lightPlane.material.dispose(); + targetLine.geometry.dispose(); + targetLine.material.dispose(); - // assuming for LoopOnce atStart == atEnd == true + }; - if ( atStart ) { + DirectionalLightHelper.prototype.update = function () { - settings.endingStart = this.zeroSlopeAtStart ? - ZeroSlopeEnding : ZeroCurvatureEnding; + var v1 = new Vector3(); + var v2 = new Vector3(); + var v3 = new Vector3(); - } else { + return function update() { - settings.endingStart = WrapAroundEnding; + v1.setFromMatrixPosition( this.light.matrixWorld ); + v2.setFromMatrixPosition( this.light.target.matrixWorld ); + v3.subVectors( v2, v1 ); - } + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; - if ( atEnd ) { + lightPlane.lookAt( v3 ); + lightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - settings.endingEnd = this.zeroSlopeAtEnd ? - ZeroSlopeEnding : ZeroCurvatureEnding; + targetLine.lookAt( v3 ); + targetLine.scale.z = v3.length(); - } else { + }; - settings.endingEnd = WrapAroundEnding; + }(); - } + /** + * @author alteredq / http://alteredqualia.com/ + * + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * http://evanw.github.com/lightgl.js/tests/shadowmap.html + */ - } + function CameraHelper( camera ) { - }, + var geometry = new Geometry(); + var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); - _scheduleFading: function( duration, weightNow, weightThen ) { + var pointMap = {}; - var mixer = this._mixer, now = mixer.time, - interpolant = this._weightInterpolant; + // colors - if ( interpolant === null ) { + var hexFrustum = 0xffaa00; + var hexCone = 0xff0000; + var hexUp = 0x00aaff; + var hexTarget = 0xffffff; + var hexCross = 0x333333; - interpolant = mixer._lendControlInterpolant(), - this._weightInterpolant = interpolant; + // near - } + addLine( "n1", "n2", hexFrustum ); + addLine( "n2", "n4", hexFrustum ); + addLine( "n4", "n3", hexFrustum ); + addLine( "n3", "n1", hexFrustum ); - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; + // far - times[ 0 ] = now; values[ 0 ] = weightNow; - times[ 1 ] = now + duration; values[ 1 ] = weightThen; + addLine( "f1", "f2", hexFrustum ); + addLine( "f2", "f4", hexFrustum ); + addLine( "f4", "f3", hexFrustum ); + addLine( "f3", "f1", hexFrustum ); - return this; + // sides - } + addLine( "n1", "f1", hexFrustum ); + addLine( "n2", "f2", hexFrustum ); + addLine( "n3", "f3", hexFrustum ); + addLine( "n4", "f4", hexFrustum ); - }; + // cone - /** - * - * Player for AnimationClips. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + addLine( "p", "n1", hexCone ); + addLine( "p", "n2", hexCone ); + addLine( "p", "n3", hexCone ); + addLine( "p", "n4", hexCone ); - function AnimationMixer( root ) { + // up - this._root = root; - this._initMemoryManager(); - this._accuIndex = 0; + addLine( "u1", "u2", hexUp ); + addLine( "u2", "u3", hexUp ); + addLine( "u3", "u1", hexUp ); - this.time = 0; + // target - this.timeScale = 1.0; + addLine( "c", "t", hexTarget ); + addLine( "p", "c", hexCross ); - } + // cross - Object.assign( AnimationMixer.prototype, EventDispatcher.prototype, { + addLine( "cn1", "cn2", hexCross ); + addLine( "cn3", "cn4", hexCross ); - // return an action for a clip optionally using a custom root target - // object (this method allocates a lot of dynamic memory in case a - // previously unknown clip/root combination is specified) - clipAction: function( clip, optionalRoot ) { + addLine( "cf1", "cf2", hexCross ); + addLine( "cf3", "cf4", hexCross ); - var root = optionalRoot || this._root, - rootUuid = root.uuid, + function addLine( a, b, hex ) { - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, + addPoint( a, hex ); + addPoint( b, hex ); - clipUuid = clipObject !== null ? clipObject.uuid : clip, + } - actionsForClip = this._actionsByClip[ clipUuid ], - prototypeAction = null; + function addPoint( id, hex ) { - if ( actionsForClip !== undefined ) { + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( hex ) ); - var existingAction = - actionsForClip.actionByRoot[ rootUuid ]; + if ( pointMap[ id ] === undefined ) { - if ( existingAction !== undefined ) { + pointMap[ id ] = []; - return existingAction; + } - } + pointMap[ id ].push( geometry.vertices.length - 1 ); - // we know the clip, so we don't have to parse all - // the bindings again but can just copy - prototypeAction = actionsForClip.knownActions[ 0 ]; + } - // also, take the clip from the prototype action - if ( clipObject === null ) - clipObject = prototypeAction._clip; + LineSegments.call( this, geometry, material ); - } + this.camera = camera; + if( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); - // clip must be known when specified via string - if ( clipObject === null ) return null; + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; - // allocate all resources required to run it - var newAction = new AnimationAction( this, clipObject, optionalRoot ); + this.pointMap = pointMap; - this._bindAction( newAction, prototypeAction ); + this.update(); - // and make the action known to the memory manager - this._addInactiveAction( newAction, clipUuid, rootUuid ); + } - return newAction; + CameraHelper.prototype = Object.create( LineSegments.prototype ); + CameraHelper.prototype.constructor = CameraHelper; - }, + CameraHelper.prototype.update = function () { - // get an existing action - existingAction: function( clip, optionalRoot ) { + var geometry, pointMap; - var root = optionalRoot || this._root, - rootUuid = root.uuid, + var vector = new Vector3(); + var camera = new Camera(); - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, + function setPoint( point, x, y, z ) { - clipUuid = clipObject ? clipObject.uuid : clip, + vector.set( x, y, z ).unproject( camera ); - actionsForClip = this._actionsByClip[ clipUuid ]; + var points = pointMap[ point ]; - if ( actionsForClip !== undefined ) { + if ( points !== undefined ) { - return actionsForClip.actionByRoot[ rootUuid ] || null; + for ( var i = 0, il = points.length; i < il; i ++ ) { - } + geometry.vertices[ points[ i ] ].copy( vector ); - return null; + } - }, + } - // deactivates all previously scheduled actions - stopAllAction: function() { + } - var actions = this._actions, - nActions = this._nActiveActions, - bindings = this._bindings, - nBindings = this._nActiveBindings; + return function update() { - this._nActiveActions = 0; - this._nActiveBindings = 0; + geometry = this.geometry; + pointMap = this.pointMap; - for ( var i = 0; i !== nActions; ++ i ) { + var w = 1, h = 1; - actions[ i ].reset(); + // we need just camera projection matrix + // world matrix must be identity - } + camera.projectionMatrix.copy( this.camera.projectionMatrix ); - for ( var i = 0; i !== nBindings; ++ i ) { + // center / target - bindings[ i ].useCount = 0; + setPoint( "c", 0, 0, - 1 ); + setPoint( "t", 0, 0, 1 ); - } + // near - return this; + setPoint( "n1", - w, - h, - 1 ); + setPoint( "n2", w, - h, - 1 ); + setPoint( "n3", - w, h, - 1 ); + setPoint( "n4", w, h, - 1 ); - }, + // far - // advance the time and update apply the animation - update: function( deltaTime ) { + setPoint( "f1", - w, - h, 1 ); + setPoint( "f2", w, - h, 1 ); + setPoint( "f3", - w, h, 1 ); + setPoint( "f4", w, h, 1 ); - deltaTime *= this.timeScale; + // up - var actions = this._actions, - nActions = this._nActiveActions, + setPoint( "u1", w * 0.7, h * 1.1, - 1 ); + setPoint( "u2", - w * 0.7, h * 1.1, - 1 ); + setPoint( "u3", 0, h * 2, - 1 ); - time = this.time += deltaTime, - timeDirection = Math.sign( deltaTime ), + // cross - accuIndex = this._accuIndex ^= 1; + setPoint( "cf1", - w, 0, 1 ); + setPoint( "cf2", w, 0, 1 ); + setPoint( "cf3", 0, - h, 1 ); + setPoint( "cf4", 0, h, 1 ); - // run active actions + setPoint( "cn1", - w, 0, - 1 ); + setPoint( "cn2", w, 0, - 1 ); + setPoint( "cn3", 0, - h, - 1 ); + setPoint( "cn4", 0, h, - 1 ); - for ( var i = 0; i !== nActions; ++ i ) { + geometry.verticesNeedUpdate = true; - var action = actions[ i ]; + }; - if ( action.enabled ) { + }(); - action._update( time, deltaTime, timeDirection, accuIndex ); + /** + * @author WestLangley / http://github.com/WestLangley + */ - } + // a helper to show the world-axis-aligned bounding box for an object - } + function BoundingBoxHelper( object, hex ) { - // update scene graph + var color = ( hex !== undefined ) ? hex : 0x888888; - var bindings = this._bindings, - nBindings = this._nActiveBindings; + this.object = object; - for ( var i = 0; i !== nBindings; ++ i ) { + this.box = new Box3(); - bindings[ i ].apply( accuIndex ); + Mesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) ); - } + } - return this; + BoundingBoxHelper.prototype = Object.create( Mesh.prototype ); + BoundingBoxHelper.prototype.constructor = BoundingBoxHelper; - }, + BoundingBoxHelper.prototype.update = function () { - // return this mixer's root target object - getRoot: function() { + this.box.setFromObject( this.object ); - return this._root; + this.box.getSize( this.scale ); - }, + this.box.getCenter( this.position ); - // free all resources specific to a particular clip - uncacheClip: function( clip ) { + }; - var actions = this._actions, - clipUuid = clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( actionsForClip !== undefined ) { + function BoxHelper( object, color ) { - // note: just calling _removeInactiveAction would mess up the - // iteration state and also require updating the state we can - // just throw away + if ( color === undefined ) color = 0xffff00; - var actionsToRemove = actionsForClip.knownActions; + var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + var positions = new Float32Array( 8 * 3 ); - for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + var geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - var action = actionsToRemove[ i ]; + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); - this._deactivateAction( action ); + if ( object !== undefined ) { - var cacheIndex = action._cacheIndex, - lastInactiveAction = actions[ actions.length - 1 ]; + this.update( object ); - action._cacheIndex = null; - action._byClipCacheIndex = null; + } - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); + } - this._removeInactiveBindingsForAction( action ); + BoxHelper.prototype = Object.create( LineSegments.prototype ); + BoxHelper.prototype.constructor = BoxHelper; - } + BoxHelper.prototype.update = ( function () { - delete actionsByClip[ clipUuid ]; + var box = new Box3(); - } + return function update( object ) { - }, + if ( (object && object.isBox3) ) { - // free all resources specific to a particular root target object - uncacheRoot: function( root ) { + box.copy( object ); - var rootUuid = root.uuid, - actionsByClip = this._actionsByClip; + } else { - for ( var clipUuid in actionsByClip ) { + box.setFromObject( object ); - var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, - action = actionByRoot[ rootUuid ]; + } - if ( action !== undefined ) { + if ( box.isEmpty() ) return; - this._deactivateAction( action ); - this._removeInactiveAction( action ); + var min = box.min; + var max = box.max; - } + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ - } + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ]; + var position = this.geometry.attributes.position; + var array = position.array; - if ( bindingByName !== undefined ) { + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; - for ( var trackName in bindingByName ) { + position.needsUpdate = true; - var binding = bindingByName[ trackName ]; - binding.restoreOriginalState(); - this._removeInactiveBinding( binding ); + this.geometry.computeBoundingSphere(); - } + }; - } + } )(); - }, + /** + * @author WestLangley / http://github.com/WestLangley + * @author zz85 / http://github.com/zz85 + * @author bhouston / http://clara.io + * + * Creates an arrow for visualizing directions + * + * Parameters: + * dir - Vector3 + * origin - Vector3 + * length - Number + * color - color in hex value + * headLength - Number + * headWidth - Number + */ - // remove a targeted clip from the cache - uncacheAction: function( clip, optionalRoot ) { + var lineGeometry = new BufferGeometry(); + lineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); - var action = this.existingAction( clip, optionalRoot ); + var coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); + coneGeometry.translate( 0, - 0.5, 0 ); - if ( action !== null ) { + function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { - this._deactivateAction( action ); - this._removeInactiveAction( action ); + // dir is assumed to be normalized - } + Object3D.call( this ); - } + if ( color === undefined ) color = 0xffff00; + if ( length === undefined ) length = 1; + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; - } ); + this.position.copy( origin ); - // Implementation details: + this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); - Object.assign( AnimationMixer.prototype, { + this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); - _bindAction: function( action, prototypeAction ) { + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); - var root = action._localRoot || this._root, - tracks = action._clip.tracks, - nTracks = tracks.length, - bindings = action._propertyBindings, - interpolants = action._interpolants, - rootUuid = root.uuid, - bindingsByRoot = this._bindingsByRootAndName, - bindingsByName = bindingsByRoot[ rootUuid ]; + } - if ( bindingsByName === undefined ) { + ArrowHelper.prototype = Object.create( Object3D.prototype ); + ArrowHelper.prototype.constructor = ArrowHelper; - bindingsByName = {}; - bindingsByRoot[ rootUuid ] = bindingsByName; + ArrowHelper.prototype.setDirection = ( function () { - } + var axis = new Vector3(); + var radians; - for ( var i = 0; i !== nTracks; ++ i ) { + return function setDirection( dir ) { - var track = tracks[ i ], - trackName = track.name, - binding = bindingsByName[ trackName ]; + // dir is assumed to be normalized - if ( binding !== undefined ) { + if ( dir.y > 0.99999 ) { - bindings[ i ] = binding; + this.quaternion.set( 0, 0, 0, 1 ); - } else { + } else if ( dir.y < - 0.99999 ) { - binding = bindings[ i ]; + this.quaternion.set( 1, 0, 0, 0 ); - if ( binding !== undefined ) { + } else { - // existing binding, make sure the cache knows + axis.set( dir.z, 0, - dir.x ).normalize(); - if ( binding._cacheIndex === null ) { + radians = Math.acos( dir.y ); - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); + this.quaternion.setFromAxisAngle( axis, radians ); - } + } - continue; + }; - } + }() ); - var path = prototypeAction && prototypeAction. - _propertyBindings[ i ].binding.parsedPath; + ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { - binding = new PropertyMixer( - PropertyBinding.create( root, trackName, path ), - track.ValueTypeName, track.getValueSize() ); + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); + this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); + this.line.updateMatrix(); - bindings[ i ] = binding; + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); - } + }; - interpolants[ i ].resultBuffer = binding.buffer; + ArrowHelper.prototype.setColor = function ( color ) { - } + this.line.material.color.copy( color ); + this.cone.material.color.copy( color ); - }, + }; - _activateAction: function( action ) { + /** + * @author sroucheray / http://sroucheray.org/ + * @author mrdoob / http://mrdoob.com/ + */ - if ( ! this._isActiveAction( action ) ) { + function AxisHelper( size ) { - if ( action._cacheIndex === null ) { + size = size || 1; - // this action has been forgotten by the cache, but the user - // appears to be still using it -> rebind + var vertices = new Float32Array( [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ] ); - var rootUuid = ( action._localRoot || this._root ).uuid, - clipUuid = action._clip.uuid, - actionsForClip = this._actionsByClip[ clipUuid ]; + var colors = new Float32Array( [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ] ); - this._bindAction( action, - actionsForClip && actionsForClip.knownActions[ 0 ] ); + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); - this._addInactiveAction( action, clipUuid, rootUuid ); + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - } + LineSegments.call( this, geometry, material ); - var bindings = action._propertyBindings; + } - // increment reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + AxisHelper.prototype = Object.create( LineSegments.prototype ); + AxisHelper.prototype.constructor = AxisHelper; - var binding = bindings[ i ]; + /** + * @author zz85 https://github.com/zz85 + * + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ - if ( binding.useCount ++ === 0 ) { + var CatmullRomCurve3 = ( function() { - this._lendBinding( binding ); - binding.saveOriginalState(); + var + tmp = new Vector3(), + px = new CubicPoly(), + py = new CubicPoly(), + pz = new CubicPoly(); - } + /* + Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM - } + This CubicPoly class could be used for reusing some variables and calculations, + but for three.js curve use, it could be possible inlined and flatten into a single function call + which can be placed in CurveUtils. + */ - this._lendAction( action ); + function CubicPoly() {} - } + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + CubicPoly.prototype.init = function( x0, x1, t0, t1 ) { - }, + this.c0 = x0; + this.c1 = t0; + this.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + this.c3 = 2 * x0 - 2 * x1 + t0 + t1; - _deactivateAction: function( action ) { + }; - if ( this._isActiveAction( action ) ) { + CubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) { - var bindings = action._propertyBindings; + // compute tangents when parameterized in [t1,t2] + var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; - // decrement reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; - var binding = bindings[ i ]; + // initCubicPoly + this.init( x1, x2, t1, t2 ); - if ( -- binding.useCount === 0 ) { + }; - binding.restoreOriginalState(); - this._takeBackBinding( binding ); + // standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4 + CubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) { - } + this.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); - } + }; - this._takeBackAction( action ); + CubicPoly.prototype.calc = function( t ) { - } + var t2 = t * t; + var t3 = t2 * t; + return this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3; - }, + }; - // Memory manager + // Subclass Three.js curve + return Curve.create( - _initMemoryManager: function() { + function ( p /* array of Vector3 */ ) { - this._actions = []; // 'nActiveActions' followed by inactive ones - this._nActiveActions = 0; + this.points = p || []; + this.closed = false; - this._actionsByClip = {}; - // inside: - // { - // knownActions: Array< AnimationAction > - used as prototypes - // actionByRoot: AnimationAction - lookup - // } + }, + function ( t ) { - this._bindings = []; // 'nActiveBindings' followed by inactive ones - this._nActiveBindings = 0; + var points = this.points, + point, intPoint, weight, l; - this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + l = points.length; + if ( l < 2 ) console.log( 'duh, you need at least 2 points' ); - this._controlInterpolants = []; // same game as above - this._nActiveControlInterpolants = 0; + point = ( l - ( this.closed ? 0 : 1 ) ) * t; + intPoint = Math.floor( point ); + weight = point - intPoint; - var scope = this; + if ( this.closed ) { - this.stats = { + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length; - actions: { - get total() { return scope._actions.length; }, - get inUse() { return scope._nActiveActions; } - }, - bindings: { - get total() { return scope._bindings.length; }, - get inUse() { return scope._nActiveBindings; } - }, - controlInterpolants: { - get total() { return scope._controlInterpolants.length; }, - get inUse() { return scope._nActiveControlInterpolants; } - } + } else if ( weight === 0 && intPoint === l - 1 ) { - }; + intPoint = l - 2; + weight = 1; - }, + } - // Memory management for AnimationAction objects + var p0, p1, p2, p3; // 4 points - _isActiveAction: function( action ) { + if ( this.closed || intPoint > 0 ) { - var index = action._cacheIndex; - return index !== null && index < this._nActiveActions; + p0 = points[ ( intPoint - 1 ) % l ]; - }, + } else { - _addInactiveAction: function( action, clipUuid, rootUuid ) { + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; - var actions = this._actions, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; + } - if ( actionsForClip === undefined ) { + p1 = points[ intPoint % l ]; + p2 = points[ ( intPoint + 1 ) % l ]; - actionsForClip = { + if ( this.closed || intPoint + 2 < l ) { - knownActions: [ action ], - actionByRoot: {} + p3 = points[ ( intPoint + 2 ) % l ]; - }; + } else { - action._byClipCacheIndex = 0; + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; - actionsByClip[ clipUuid ] = actionsForClip; + } - } else { + if ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) { - var knownActions = actionsForClip.knownActions; + // init Centripetal / Chordal Catmull-Rom + var pow = this.type === 'chordal' ? 0.5 : 0.25; + var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); - action._byClipCacheIndex = knownActions.length; - knownActions.push( action ); + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; - } + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); - action._cacheIndex = actions.length; - actions.push( action ); + } else if ( this.type === 'catmullrom' ) { - actionsForClip.actionByRoot[ rootUuid ] = action; + var tension = this.tension !== undefined ? this.tension : 0.5; + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension ); - }, + } - _removeInactiveAction: function( action ) { + var v = new Vector3( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); - var actions = this._actions, - lastInactiveAction = actions[ actions.length - 1 ], - cacheIndex = action._cacheIndex; + return v; - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); + } - action._cacheIndex = null; + ); + } )(); - var clipUuid = action._clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ], - knownActionsForClip = actionsForClip.knownActions, + /************************************************************** + * Closed Spline 3D curve + **************************************************************/ - lastKnownAction = - knownActionsForClip[ knownActionsForClip.length - 1 ], - byClipCacheIndex = action._byClipCacheIndex; + function ClosedSplineCurve3( points ) { - lastKnownAction._byClipCacheIndex = byClipCacheIndex; - knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; - knownActionsForClip.pop(); + console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' ); - action._byClipCacheIndex = null; + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + this.closed = true; + } - var actionByRoot = actionsForClip.actionByRoot, - rootUuid = ( actions._localRoot || this._root ).uuid; + ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); - delete actionByRoot[ rootUuid ]; + /************************************************************** + * Spline 3D curve + **************************************************************/ - if ( knownActionsForClip.length === 0 ) { - delete actionsByClip[ clipUuid ]; + var SplineCurve3 = Curve.create( - } + function ( points /* array of Vector3 */ ) { - this._removeInactiveBindingsForAction( action ); + console.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' ); + this.points = ( points === undefined ) ? [] : points; }, - _removeInactiveBindingsForAction: function( action ) { + function ( t ) { - var bindings = action._propertyBindings; - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + var points = this.points; + var point = ( points.length - 1 ) * t; - var binding = bindings[ i ]; - - if ( -- binding.referenceCount === 0 ) { - - this._removeInactiveBinding( binding ); - - } - - } - - }, - - _lendAction: function( action ) { - - // [ active actions | inactive actions ] - // [ active actions >| inactive actions ] - // s a - // <-swap-> - // a s - - var actions = this._actions, - prevIndex = action._cacheIndex, - - lastActiveIndex = this._nActiveActions ++, - - firstInactiveAction = actions[ lastActiveIndex ]; - - action._cacheIndex = lastActiveIndex; - actions[ lastActiveIndex ] = action; + var intPoint = Math.floor( point ); + var weight = point - intPoint; - firstInactiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = firstInactiveAction; + var point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - }, + var interpolate = CurveUtils.interpolate; - _takeBackAction: function( action ) { + return new Vector3( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ), + interpolate( point0.z, point1.z, point2.z, point3.z, weight ) + ); - // [ active actions | inactive actions ] - // [ active actions |< inactive actions ] - // a s - // <-swap-> - // s a + } - var actions = this._actions, - prevIndex = action._cacheIndex, + ); - firstInactiveIndex = -- this._nActiveActions, + /************************************************************** + * Cubic Bezier 3D curve + **************************************************************/ - lastActiveAction = actions[ firstInactiveIndex ]; + var CubicBezierCurve3 = Curve.create( - action._cacheIndex = firstInactiveIndex; - actions[ firstInactiveIndex ] = action; + function ( v0, v1, v2, v3 ) { - lastActiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = lastActiveAction; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; }, - // Memory management for PropertyMixer objects + function ( t ) { - _addInactiveBinding: function( binding, rootUuid, trackName ) { + var b3 = ShapeUtils.b3; - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], + return new Vector3( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ), + b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z ) + ); - bindings = this._bindings; + } - if ( bindingByName === undefined ) { + ); - bindingByName = {}; - bindingsByRoot[ rootUuid ] = bindingByName; + /************************************************************** + * Quadratic Bezier 3D curve + **************************************************************/ - } + var QuadraticBezierCurve3 = Curve.create( - bindingByName[ trackName ] = binding; + function ( v0, v1, v2 ) { - binding._cacheIndex = bindings.length; - bindings.push( binding ); + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; }, - _removeInactiveBinding: function( binding ) { + function ( t ) { - var bindings = this._bindings, - propBinding = binding.binding, - rootUuid = propBinding.rootNode.uuid, - trackName = propBinding.path, - bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], + var b2 = ShapeUtils.b2; - lastInactiveBinding = bindings[ bindings.length - 1 ], - cacheIndex = binding._cacheIndex; + return new Vector3( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ), + b2( t, this.v0.z, this.v1.z, this.v2.z ) + ); - lastInactiveBinding._cacheIndex = cacheIndex; - bindings[ cacheIndex ] = lastInactiveBinding; - bindings.pop(); + } - delete bindingByName[ trackName ]; + ); - remove_empty_map: { + /************************************************************** + * Line3D + **************************************************************/ - for ( var _ in bindingByName ) break remove_empty_map; + var LineCurve3 = Curve.create( - delete bindingsByRoot[ rootUuid ]; + function ( v1, v2 ) { - } + this.v1 = v1; + this.v2 = v2; }, - _lendBinding: function( binding ) { - - var bindings = this._bindings, - prevIndex = binding._cacheIndex, + function ( t ) { - lastActiveIndex = this._nActiveBindings ++, + if ( t === 1 ) { - firstInactiveBinding = bindings[ lastActiveIndex ]; + return this.v2.clone(); - binding._cacheIndex = lastActiveIndex; - bindings[ lastActiveIndex ] = binding; + } - firstInactiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = firstInactiveBinding; + var vector = new Vector3(); - }, + vector.subVectors( this.v2, this.v1 ); // diff + vector.multiplyScalar( t ); + vector.add( this.v1 ); - _takeBackBinding: function( binding ) { + return vector; - var bindings = this._bindings, - prevIndex = binding._cacheIndex, + } - firstInactiveIndex = -- this._nActiveBindings, + ); - lastActiveBinding = bindings[ firstInactiveIndex ]; + /************************************************************** + * Arc curve + **************************************************************/ - binding._cacheIndex = firstInactiveIndex; - bindings[ firstInactiveIndex ] = binding; + function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - lastActiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = lastActiveBinding; + EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - }, + } + ArcCurve.prototype = Object.create( EllipseCurve.prototype ); + ArcCurve.prototype.constructor = ArcCurve; - // Memory management of Interpolants for weight and time scale + /** + * @author alteredq / http://alteredqualia.com/ + */ - _lendControlInterpolant: function() { + var SceneUtils = { - var interpolants = this._controlInterpolants, - lastActiveIndex = this._nActiveControlInterpolants ++, - interpolant = interpolants[ lastActiveIndex ]; + createMultiMaterialObject: function ( geometry, materials ) { - if ( interpolant === undefined ) { + var group = new Group(); - interpolant = new LinearInterpolant( - new Float32Array( 2 ), new Float32Array( 2 ), - 1, this._controlInterpolantsResultBuffer ); + for ( var i = 0, l = materials.length; i < l; i ++ ) { - interpolant.__cacheIndex = lastActiveIndex; - interpolants[ lastActiveIndex ] = interpolant; + group.add( new Mesh( geometry, materials[ i ] ) ); } - return interpolant; + return group; }, - _takeBackControlInterpolant: function( interpolant ) { - - var interpolants = this._controlInterpolants, - prevIndex = interpolant.__cacheIndex, + detach: function ( child, parent, scene ) { - firstInactiveIndex = -- this._nActiveControlInterpolants, + child.applyMatrix( parent.matrixWorld ); + parent.remove( child ); + scene.add( child ); - lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + }, - interpolant.__cacheIndex = firstInactiveIndex; - interpolants[ firstInactiveIndex ] = interpolant; + attach: function ( child, scene, parent ) { - lastActiveInterpolant.__cacheIndex = prevIndex; - interpolants[ prevIndex ] = lastActiveInterpolant; + var matrixWorldInverse = new Matrix4(); + matrixWorldInverse.getInverse( parent.matrixWorld ); + child.applyMatrix( matrixWorldInverse ); - }, + scene.remove( child ); + parent.add( child ); - _controlInterpolantsResultBuffer: new Float32Array( 1 ) + } - } ); + }; /** * @author mrdoob / http://mrdoob.com/ */ - function Uniform( value ) { - - if ( typeof value === 'string' ) { - - console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); - value = arguments[ 1 ]; - - } - - this.value = value; - + function Face4 ( a, b, c, d, normal, color, materialIndex ) { + console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); + return new Face3( a, b, c, normal, color, materialIndex ); } - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + var LineStrip = 0; - function InstancedBufferGeometry() { + var LinePieces = 1; - BufferGeometry.call( this ); + function PointCloud ( geometry, material ) { + console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } - this.type = 'InstancedBufferGeometry'; - this.maxInstancedCount = undefined; + function ParticleSystem ( geometry, material ) { + console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } + function PointCloudMaterial ( parameters ) { + console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); } - InstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - InstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry; + function ParticleBasicMaterial ( parameters ) { + console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } - InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true; + function ParticleSystemMaterial ( parameters ) { + console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } - InstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) { + function Vertex ( x, y, z ) { + console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); + return new Vector3( x, y, z ); + } - this.groups.push( { + // - start: start, - count: count, - materialIndex: materialIndex + function EdgesHelper( object, hex ) { + console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); + return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } - } ); + function WireframeHelper( object, hex ) { + console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); + return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } - }; + // - InstancedBufferGeometry.prototype.copy = function ( source ) { + Object.assign( Box2.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); - var index = source.index; + Object.assign( Box3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); - if ( index !== null ) { + Object.assign( Line3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + } + } ); - this.setIndex( index.clone() ); + Object.assign( Matrix3.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); + return vector.applyMatrix3( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + } + } ); + Object.assign( Matrix4.prototype, { + extractPosition: function ( m ) { + console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); + return this.copyPosition( m ); + }, + setRotationFromQuaternion: function ( q ) { + console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); + return this.makeRotationFromQuaternion( q ); + }, + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' ); + return vector.applyProjection( this ); + }, + multiplyVector4: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + }, + rotateAxis: function ( v ) { + console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); + v.transformDirection( this ); + }, + crossVector: function ( vector ) { + console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + translate: function ( v ) { + console.error( 'THREE.Matrix4: .translate() has been removed.' ); + }, + rotateX: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); + }, + rotateY: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); + }, + rotateZ: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); + }, + rotateByAxis: function ( axis, angle ) { + console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); } + } ); - var attributes = source.attributes; + Object.assign( Plane.prototype, { + isIntersectionLine: function ( line ) { + console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); + return this.intersectsLine( line ); + } + } ); - for ( var name in attributes ) { + Object.assign( Quaternion.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); + return vector.applyQuaternion( this ); + } + } ); - var attribute = attributes[ name ]; - this.addAttribute( name, attribute.clone() ); + Object.assign( Ray.prototype, { + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionPlane: function ( plane ) { + console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); + return this.intersectsPlane( plane ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + } + } ); + Object.assign( Shape.prototype, { + extrude: function ( options ) { + console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); + return new ExtrudeGeometry( this, options ); + }, + makeGeometry: function ( options ) { + console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); + return new ShapeGeometry( this, options ); } + } ); - var groups = source.groups; + Object.assign( Vector3.prototype, { + setEulerFromRotationMatrix: function () { + console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); + }, + setEulerFromQuaternion: function () { + console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); + }, + getPositionFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); + return this.setFromMatrixPosition( m ); + }, + getScaleFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); + return this.setFromMatrixScale( m ); + }, + getColumnFromMatrix: function ( index, matrix ) { + console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); + return this.setFromMatrixColumn( matrix, index ); + } + } ); - for ( var i = 0, l = groups.length; i < l; i ++ ) { + // - var group = groups[ i ]; - this.addGroup( group.start, group.count, group.materialIndex ); + Object.assign( Object3D.prototype, { + getChildByName: function ( name ) { + console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); + return this.getObjectByName( name ); + }, + renderDepth: function ( value ) { + console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); + }, + translate: function ( distance, axis ) { + console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); + return this.translateOnAxis( axis, distance ); + } + } ); + Object.defineProperties( Object3D.prototype, { + eulerOrder: { + get: function () { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + return this.rotation.order; + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + this.rotation.order = value; + } + }, + useQuaternion: { + get: function () { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + } } + } ); - return this; + Object.defineProperties( LOD.prototype, { + objects: { + get: function () { + console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); + return this.levels; + } + } + } ); - }; + // - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { - function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { + console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + + "Use .setFocalLength and .filmGauge for a photographic setup." ); - this.uuid = _Math.generateUUID(); + if ( filmGauge !== undefined ) this.filmGauge = filmGauge; + this.setFocalLength( focalLength ); - this.data = interleavedBuffer; - this.itemSize = itemSize; - this.offset = offset; + }; - this.normalized = normalized === true; + // - } - - - InterleavedBufferAttribute.prototype = { - - constructor: InterleavedBufferAttribute, - - isInterleavedBufferAttribute: true, + Object.defineProperties( Light.prototype, { + onlyShadow: { + set: function ( value ) { + console.warn( 'THREE.Light: .onlyShadow has been removed.' ); + } + }, + shadowCameraFov: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); + this.shadow.camera.fov = value; + } + }, + shadowCameraLeft: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); + this.shadow.camera.left = value; + } + }, + shadowCameraRight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); + this.shadow.camera.right = value; + } + }, + shadowCameraTop: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); + this.shadow.camera.top = value; + } + }, + shadowCameraBottom: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); + this.shadow.camera.bottom = value; + } + }, + shadowCameraNear: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); + this.shadow.camera.near = value; + } + }, + shadowCameraFar: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); + this.shadow.camera.far = value; + } + }, + shadowCameraVisible: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); + } + }, + shadowBias: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); + this.shadow.bias = value; + } + }, + shadowDarkness: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); + } + }, + shadowMapWidth: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); + this.shadow.mapSize.width = value; + } + }, + shadowMapHeight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); + this.shadow.mapSize.height = value; + } + } + } ); - get count() { + // - return this.data.count; + Object.defineProperties( BufferAttribute.prototype, { + length: { + get: function () { + console.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' ); + return this.array.length; + } + } + } ); + Object.assign( BufferGeometry.prototype, { + addIndex: function ( index ) { + console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); + this.setIndex( index ); + }, + addDrawCall: function ( start, count, indexOffset ) { + if ( indexOffset !== undefined ) { + console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); + } + console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); + this.addGroup( start, count ); + }, + clearDrawCalls: function () { + console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); + this.clearGroups(); + }, + computeTangents: function () { + console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); }, + computeOffsets: function () { + console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); + } + } ); - get array() { + Object.defineProperties( BufferGeometry.prototype, { + drawcalls: { + get: function () { + console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); + return this.groups; + } + }, + offsets: { + get: function () { + console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); + return this.groups; + } + } + } ); - return this.data.array; + // + Object.defineProperties( Material.prototype, { + wrapAround: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + }, + set: function ( value ) { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + } }, + wrapRGB: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' ); + return new Color(); + } + } + } ); - setX: function ( index, x ) { + Object.defineProperties( MeshPhongMaterial.prototype, { + metal: { + get: function () { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); + return false; + }, + set: function ( value ) { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); + } + } + } ); - this.data.array[ index * this.data.stride + this.offset ] = x; + Object.defineProperties( ShaderMaterial.prototype, { + derivatives: { + get: function () { + console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + return this.extensions.derivatives; + }, + set: function ( value ) { + console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + this.extensions.derivatives = value; + } + } + } ); - return this; + // - }, + EventDispatcher.prototype = Object.assign( Object.create( { - setY: function ( index, y ) { + // Note: Extra base ensures these properties are not 'assign'ed. - this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + constructor: EventDispatcher, - return this; + apply: function ( target ) { - }, + console.warn( "THREE.EventDispatcher: .apply is deprecated, " + + "just inherit or Object.assign the prototype to mix-in." ); - setZ: function ( index, z ) { + Object.assign( target, this ); - this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + } - return this; + } ), EventDispatcher.prototype ); - }, + // - setW: function ( index, w ) { + Object.defineProperties( Uniform.prototype, { + dynamic: { + set: function ( value ) { + console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); + } + }, + onUpdate: { + value: function () { + console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); + return this; + } + } + } ); - this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + // - return this; + Object.assign( WebGLRenderer.prototype, { + supportsFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); + return this.extensions.get( 'OES_texture_float' ); + }, + supportsHalfFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); + return this.extensions.get( 'OES_texture_half_float' ); + }, + supportsStandardDerivatives: function () { + console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); + return this.extensions.get( 'OES_standard_derivatives' ); + }, + supportsCompressedTextureS3TC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); + }, + supportsCompressedTexturePVRTC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + }, + supportsBlendMinMax: function () { + console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); + return this.extensions.get( 'EXT_blend_minmax' ); + }, + supportsVertexTextures: function () { + return this.capabilities.vertexTextures; + }, + supportsInstancedArrays: function () { + console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); + return this.extensions.get( 'ANGLE_instanced_arrays' ); + }, + enableScissorTest: function ( boolean ) { + console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); + this.setScissorTest( boolean ); + }, + initMaterial: function () { + console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); + }, + addPrePlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); + }, + addPostPlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); + }, + updateShadowMap: function () { + console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); + } + } ); + Object.defineProperties( WebGLRenderer.prototype, { + shadowMapEnabled: { + get: function () { + return this.shadowMap.enabled; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); + this.shadowMap.enabled = value; + } + }, + shadowMapType: { + get: function () { + return this.shadowMap.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); + this.shadowMap.type = value; + } }, + shadowMapCullFace: { + get: function () { + return this.shadowMap.cullFace; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' ); + this.shadowMap.cullFace = value; + } + } + } ); - getX: function ( index ) { + Object.defineProperties( WebGLShadowMap.prototype, { + cullFace: { + get: function () { + return this.renderReverseSided ? CullFaceFront : CullFaceBack; + }, + set: function ( cullFace ) { + var value = ( cullFace !== CullFaceBack ); + console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." ); + this.renderReverseSided = value; + } + } + } ); - return this.data.array[ index * this.data.stride + this.offset ]; + // + Object.defineProperties( WebGLRenderTarget.prototype, { + wrapS: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + return this.texture.wrapS; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + this.texture.wrapS = value; + } + }, + wrapT: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + return this.texture.wrapT; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + this.texture.wrapT = value; + } + }, + magFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + return this.texture.magFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + this.texture.magFilter = value; + } + }, + minFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + return this.texture.minFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + this.texture.minFilter = value; + } + }, + anisotropy: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + return this.texture.anisotropy; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + this.texture.anisotropy = value; + } + }, + offset: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + return this.texture.offset; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + this.texture.offset = value; + } + }, + repeat: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + return this.texture.repeat; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + this.texture.repeat = value; + } + }, + format: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + return this.texture.format; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + this.texture.format = value; + } }, + type: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + return this.texture.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + this.texture.type = value; + } + }, + generateMipmaps: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + return this.texture.generateMipmaps; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + this.texture.generateMipmaps = value; + } + } + } ); - getY: function ( index ) { + // - return this.data.array[ index * this.data.stride + this.offset + 1 ]; + Object.assign( Audio.prototype, { + load: function ( file ) { + console.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' ); + var scope = this; + var audioLoader = new AudioLoader(); + audioLoader.load( file, function ( buffer ) { + scope.setBuffer( buffer ); + } ); + return this; + } + } ); - }, + Object.assign( AudioAnalyser.prototype, { + getData: function ( file ) { + console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); + return this.getFrequencyData(); + } + } ); - getZ: function ( index ) { + // - return this.data.array[ index * this.data.stride + this.offset + 2 ]; + var GeometryUtils = { - }, + merge: function ( geometry1, geometry2, materialIndexOffset ) { - getW: function ( index ) { + console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); - return this.data.array[ index * this.data.stride + this.offset + 3 ]; + var matrix; - }, + if ( geometry2.isMesh ) { - setXY: function ( index, x, y ) { + geometry2.matrixAutoUpdate && geometry2.updateMatrix(); - index = index * this.data.stride + this.offset; + matrix = geometry2.matrix; + geometry2 = geometry2.geometry; - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; + } - return this; + geometry1.merge( geometry2, matrix, materialIndexOffset ); }, - setXYZ: function ( index, x, y, z ) { - - index = index * this.data.stride + this.offset; + center: function ( geometry ) { - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; + console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); + return geometry.center(); - return this; + } - }, + }; - setXYZW: function ( index, x, y, z, w ) { + var ImageUtils = { - index = index * this.data.stride + this.offset; + crossOrigin: undefined, - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; - this.data.array[ index + 3 ] = w; + loadTexture: function ( url, mapping, onLoad, onError ) { - return this; + console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); - } + var loader = new TextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); - }; + var texture = loader.load( url, onLoad, undefined, onError ); - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + if ( mapping ) texture.mapping = mapping; - function InterleavedBuffer( array, stride ) { + return texture; - this.uuid = _Math.generateUUID(); + }, - this.array = array; - this.stride = stride; - this.count = array !== undefined ? array.length / stride : 0; + loadTextureCube: function ( urls, mapping, onLoad, onError ) { - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; + console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); - this.version = 0; + var loader = new CubeTextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); - } + var texture = loader.load( urls, onLoad, undefined, onError ); - InterleavedBuffer.prototype = { + if ( mapping ) texture.mapping = mapping; - constructor: InterleavedBuffer, + return texture; - isInterleavedBuffer: true, + }, - set needsUpdate( value ) { + loadCompressedTexture: function () { - if ( value === true ) this.version ++; + console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); }, - setArray: function ( array ) { + loadCompressedTextureCube: function () { - if ( Array.isArray( array ) ) { + console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - - } - - this.count = array !== undefined ? array.length / this.stride : 0; - this.array = array; - - }, - - setDynamic: function ( value ) { + } - this.dynamic = value; + }; - return this; + // - }, + function Projector () { - copy: function ( source ) { + console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' ); - this.array = new source.array.constructor( source.array ); - this.count = source.count; - this.stride = source.stride; - this.dynamic = source.dynamic; + this.projectVector = function ( vector, camera ) { - return this; + console.warn( 'THREE.Projector: .projectVector() is now vector.project().' ); + vector.project( camera ); - }, + }; - copyAt: function ( index1, attribute, index2 ) { + this.unprojectVector = function ( vector, camera ) { - index1 *= this.stride; - index2 *= attribute.stride; + console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' ); + vector.unproject( camera ); - for ( var i = 0, l = this.stride; i < l; i ++ ) { + }; - this.array[ index1 + i ] = attribute.array[ index2 + i ]; + this.pickingRay = function ( vector, camera ) { - } + console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' ); - return this; + }; - }, + } - set: function ( value, offset ) { + // - if ( offset === undefined ) offset = 0; + function CanvasRenderer () { - this.array.set( value, offset ); + console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' ); - return this; + this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + this.clear = function () {}; + this.render = function () {}; + this.setClearColor = function () {}; + this.setSize = function () {}; - }, + } - clone: function () { + exports.WebGLRenderTargetCube = WebGLRenderTargetCube; + exports.WebGLRenderTarget = WebGLRenderTarget; + exports.WebGLRenderer = WebGLRenderer; + exports.ShaderLib = ShaderLib; + exports.UniformsLib = UniformsLib; + exports.UniformsUtils = UniformsUtils; + exports.ShaderChunk = ShaderChunk; + exports.FogExp2 = FogExp2; + exports.Fog = Fog; + exports.Scene = Scene; + exports.LensFlare = LensFlare; + exports.Sprite = Sprite; + exports.LOD = LOD; + exports.SkinnedMesh = SkinnedMesh; + exports.Skeleton = Skeleton; + exports.Bone = Bone; + exports.Mesh = Mesh; + exports.LineSegments = LineSegments; + exports.Line = Line; + exports.Points = Points; + exports.Group = Group; + exports.VideoTexture = VideoTexture; + exports.DataTexture = DataTexture; + exports.CompressedTexture = CompressedTexture; + exports.CubeTexture = CubeTexture; + exports.CanvasTexture = CanvasTexture; + exports.DepthTexture = DepthTexture; + exports.TextureIdCount = TextureIdCount; + exports.Texture = Texture; + exports.MaterialIdCount = MaterialIdCount; + exports.CompressedTextureLoader = CompressedTextureLoader; + exports.BinaryTextureLoader = BinaryTextureLoader; + exports.DataTextureLoader = DataTextureLoader; + exports.CubeTextureLoader = CubeTextureLoader; + exports.TextureLoader = TextureLoader; + exports.ObjectLoader = ObjectLoader; + exports.MaterialLoader = MaterialLoader; + exports.BufferGeometryLoader = BufferGeometryLoader; + exports.DefaultLoadingManager = DefaultLoadingManager; + exports.LoadingManager = LoadingManager; + exports.JSONLoader = JSONLoader; + exports.ImageLoader = ImageLoader; + exports.FontLoader = FontLoader; + exports.XHRLoader = XHRLoader; + exports.Loader = Loader; + exports.Cache = Cache; + exports.AudioLoader = AudioLoader; + exports.SpotLightShadow = SpotLightShadow; + exports.SpotLight = SpotLight; + exports.PointLight = PointLight; + exports.HemisphereLight = HemisphereLight; + exports.DirectionalLightShadow = DirectionalLightShadow; + exports.DirectionalLight = DirectionalLight; + exports.AmbientLight = AmbientLight; + exports.LightShadow = LightShadow; + exports.Light = Light; + exports.StereoCamera = StereoCamera; + exports.PerspectiveCamera = PerspectiveCamera; + exports.OrthographicCamera = OrthographicCamera; + exports.CubeCamera = CubeCamera; + exports.Camera = Camera; + exports.AudioListener = AudioListener; + exports.PositionalAudio = PositionalAudio; + exports.getAudioContext = getAudioContext; + exports.AudioAnalyser = AudioAnalyser; + exports.Audio = Audio; + exports.VectorKeyframeTrack = VectorKeyframeTrack; + exports.StringKeyframeTrack = StringKeyframeTrack; + exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack; + exports.NumberKeyframeTrack = NumberKeyframeTrack; + exports.ColorKeyframeTrack = ColorKeyframeTrack; + exports.BooleanKeyframeTrack = BooleanKeyframeTrack; + exports.PropertyMixer = PropertyMixer; + exports.PropertyBinding = PropertyBinding; + exports.KeyframeTrack = KeyframeTrack; + exports.AnimationUtils = AnimationUtils; + exports.AnimationObjectGroup = AnimationObjectGroup; + exports.AnimationMixer = AnimationMixer; + exports.AnimationClip = AnimationClip; + exports.Uniform = Uniform; + exports.InstancedBufferGeometry = InstancedBufferGeometry; + exports.BufferGeometry = BufferGeometry; + exports.GeometryIdCount = GeometryIdCount; + exports.Geometry = Geometry; + exports.InterleavedBufferAttribute = InterleavedBufferAttribute; + exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer; + exports.InterleavedBuffer = InterleavedBuffer; + exports.InstancedBufferAttribute = InstancedBufferAttribute; + exports.DynamicBufferAttribute = DynamicBufferAttribute; + exports.Float64Attribute = Float64Attribute; + exports.Float32Attribute = Float32Attribute; + exports.Uint32Attribute = Uint32Attribute; + exports.Int32Attribute = Int32Attribute; + exports.Uint16Attribute = Uint16Attribute; + exports.Int16Attribute = Int16Attribute; + exports.Uint8ClampedAttribute = Uint8ClampedAttribute; + exports.Uint8Attribute = Uint8Attribute; + exports.Int8Attribute = Int8Attribute; + exports.BufferAttribute = BufferAttribute; + exports.Face3 = Face3; + exports.Object3DIdCount = Object3DIdCount; + exports.Object3D = Object3D; + exports.Raycaster = Raycaster; + exports.Layers = Layers; + exports.EventDispatcher = EventDispatcher; + exports.Clock = Clock; + exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant; + exports.LinearInterpolant = LinearInterpolant; + exports.DiscreteInterpolant = DiscreteInterpolant; + exports.CubicInterpolant = CubicInterpolant; + exports.Interpolant = Interpolant; + exports.Triangle = Triangle; + exports.Spline = Spline; + exports.Math = _Math; + exports.Spherical = Spherical; + exports.Plane = Plane; + exports.Frustum = Frustum; + exports.Sphere = Sphere; + exports.Ray = Ray; + exports.Matrix4 = Matrix4; + exports.Matrix3 = Matrix3; + exports.Box3 = Box3; + exports.Box2 = Box2; + exports.Line3 = Line3; + exports.Euler = Euler; + exports.Vector4 = Vector4; + exports.Vector3 = Vector3; + exports.Vector2 = Vector2; + exports.Quaternion = Quaternion; + exports.ColorKeywords = ColorKeywords; + exports.Color = Color; + exports.MorphBlendMesh = MorphBlendMesh; + exports.ImmediateRenderObject = ImmediateRenderObject; + exports.VertexNormalsHelper = VertexNormalsHelper; + exports.SpotLightHelper = SpotLightHelper; + exports.SkeletonHelper = SkeletonHelper; + exports.PointLightHelper = PointLightHelper; + exports.HemisphereLightHelper = HemisphereLightHelper; + exports.GridHelper = GridHelper; + exports.FaceNormalsHelper = FaceNormalsHelper; + exports.DirectionalLightHelper = DirectionalLightHelper; + exports.CameraHelper = CameraHelper; + exports.BoundingBoxHelper = BoundingBoxHelper; + exports.BoxHelper = BoxHelper; + exports.ArrowHelper = ArrowHelper; + exports.AxisHelper = AxisHelper; + exports.ClosedSplineCurve3 = ClosedSplineCurve3; + exports.CatmullRomCurve3 = CatmullRomCurve3; + exports.SplineCurve3 = SplineCurve3; + exports.CubicBezierCurve3 = CubicBezierCurve3; + exports.QuadraticBezierCurve3 = QuadraticBezierCurve3; + exports.LineCurve3 = LineCurve3; + exports.ArcCurve = ArcCurve; + exports.EllipseCurve = EllipseCurve; + exports.SplineCurve = SplineCurve; + exports.CubicBezierCurve = CubicBezierCurve; + exports.QuadraticBezierCurve = QuadraticBezierCurve; + exports.LineCurve = LineCurve; + exports.Shape = Shape; + exports.ShapePath = ShapePath; + exports.Path = Path; + exports.Font = Font; + exports.CurvePath = CurvePath; + exports.Curve = Curve; + exports.ShapeUtils = ShapeUtils; + exports.SceneUtils = SceneUtils; + exports.CurveUtils = CurveUtils; + exports.WireframeGeometry = WireframeGeometry; + exports.ParametricGeometry = ParametricGeometry; + exports.ParametricBufferGeometry = ParametricBufferGeometry; + exports.TetrahedronGeometry = TetrahedronGeometry; + exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry; + exports.OctahedronGeometry = OctahedronGeometry; + exports.OctahedronBufferGeometry = OctahedronBufferGeometry; + exports.IcosahedronGeometry = IcosahedronGeometry; + exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry; + exports.DodecahedronGeometry = DodecahedronGeometry; + exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry; + exports.PolyhedronGeometry = PolyhedronGeometry; + exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry; + exports.TubeGeometry = TubeGeometry; + exports.TubeBufferGeometry = TubeBufferGeometry; + exports.TorusKnotGeometry = TorusKnotGeometry; + exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry; + exports.TorusGeometry = TorusGeometry; + exports.TorusBufferGeometry = TorusBufferGeometry; + exports.TextGeometry = TextGeometry; + exports.SphereBufferGeometry = SphereBufferGeometry; + exports.SphereGeometry = SphereGeometry; + exports.RingGeometry = RingGeometry; + exports.RingBufferGeometry = RingBufferGeometry; + exports.PlaneBufferGeometry = PlaneBufferGeometry; + exports.PlaneGeometry = PlaneGeometry; + exports.LatheGeometry = LatheGeometry; + exports.LatheBufferGeometry = LatheBufferGeometry; + exports.ShapeGeometry = ShapeGeometry; + exports.ExtrudeGeometry = ExtrudeGeometry; + exports.EdgesGeometry = EdgesGeometry; + exports.ConeGeometry = ConeGeometry; + exports.ConeBufferGeometry = ConeBufferGeometry; + exports.CylinderGeometry = CylinderGeometry; + exports.CylinderBufferGeometry = CylinderBufferGeometry; + exports.CircleBufferGeometry = CircleBufferGeometry; + exports.CircleGeometry = CircleGeometry; + exports.BoxBufferGeometry = BoxBufferGeometry; + exports.BoxGeometry = BoxGeometry; + exports.ShadowMaterial = ShadowMaterial; + exports.SpriteMaterial = SpriteMaterial; + exports.RawShaderMaterial = RawShaderMaterial; + exports.ShaderMaterial = ShaderMaterial; + exports.PointsMaterial = PointsMaterial; + exports.MultiMaterial = MultiMaterial; + exports.MeshPhysicalMaterial = MeshPhysicalMaterial; + exports.MeshStandardMaterial = MeshStandardMaterial; + exports.MeshPhongMaterial = MeshPhongMaterial; + exports.MeshNormalMaterial = MeshNormalMaterial; + exports.MeshLambertMaterial = MeshLambertMaterial; + exports.MeshDepthMaterial = MeshDepthMaterial; + exports.MeshBasicMaterial = MeshBasicMaterial; + exports.LineDashedMaterial = LineDashedMaterial; + exports.LineBasicMaterial = LineBasicMaterial; + exports.Material = Material; + exports.REVISION = REVISION; + exports.MOUSE = MOUSE; + exports.CullFaceNone = CullFaceNone; + exports.CullFaceBack = CullFaceBack; + exports.CullFaceFront = CullFaceFront; + exports.CullFaceFrontBack = CullFaceFrontBack; + exports.FrontFaceDirectionCW = FrontFaceDirectionCW; + exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; + exports.BasicShadowMap = BasicShadowMap; + exports.PCFShadowMap = PCFShadowMap; + exports.PCFSoftShadowMap = PCFSoftShadowMap; + exports.FrontSide = FrontSide; + exports.BackSide = BackSide; + exports.DoubleSide = DoubleSide; + exports.FlatShading = FlatShading; + exports.SmoothShading = SmoothShading; + exports.NoColors = NoColors; + exports.FaceColors = FaceColors; + exports.VertexColors = VertexColors; + exports.NoBlending = NoBlending; + exports.NormalBlending = NormalBlending; + exports.AdditiveBlending = AdditiveBlending; + exports.SubtractiveBlending = SubtractiveBlending; + exports.MultiplyBlending = MultiplyBlending; + exports.CustomBlending = CustomBlending; + exports.BlendingMode = BlendingMode; + exports.AddEquation = AddEquation; + exports.SubtractEquation = SubtractEquation; + exports.ReverseSubtractEquation = ReverseSubtractEquation; + exports.MinEquation = MinEquation; + exports.MaxEquation = MaxEquation; + exports.ZeroFactor = ZeroFactor; + exports.OneFactor = OneFactor; + exports.SrcColorFactor = SrcColorFactor; + exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; + exports.SrcAlphaFactor = SrcAlphaFactor; + exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; + exports.DstAlphaFactor = DstAlphaFactor; + exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; + exports.DstColorFactor = DstColorFactor; + exports.OneMinusDstColorFactor = OneMinusDstColorFactor; + exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; + exports.NeverDepth = NeverDepth; + exports.AlwaysDepth = AlwaysDepth; + exports.LessDepth = LessDepth; + exports.LessEqualDepth = LessEqualDepth; + exports.EqualDepth = EqualDepth; + exports.GreaterEqualDepth = GreaterEqualDepth; + exports.GreaterDepth = GreaterDepth; + exports.NotEqualDepth = NotEqualDepth; + exports.MultiplyOperation = MultiplyOperation; + exports.MixOperation = MixOperation; + exports.AddOperation = AddOperation; + exports.NoToneMapping = NoToneMapping; + exports.LinearToneMapping = LinearToneMapping; + exports.ReinhardToneMapping = ReinhardToneMapping; + exports.Uncharted2ToneMapping = Uncharted2ToneMapping; + exports.CineonToneMapping = CineonToneMapping; + exports.UVMapping = UVMapping; + exports.CubeReflectionMapping = CubeReflectionMapping; + exports.CubeRefractionMapping = CubeRefractionMapping; + exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; + exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; + exports.SphericalReflectionMapping = SphericalReflectionMapping; + exports.CubeUVReflectionMapping = CubeUVReflectionMapping; + exports.CubeUVRefractionMapping = CubeUVRefractionMapping; + exports.TextureMapping = TextureMapping; + exports.RepeatWrapping = RepeatWrapping; + exports.ClampToEdgeWrapping = ClampToEdgeWrapping; + exports.MirroredRepeatWrapping = MirroredRepeatWrapping; + exports.TextureWrapping = TextureWrapping; + exports.NearestFilter = NearestFilter; + exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; + exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; + exports.LinearFilter = LinearFilter; + exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; + exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; + exports.TextureFilter = TextureFilter; + exports.UnsignedByteType = UnsignedByteType; + exports.ByteType = ByteType; + exports.ShortType = ShortType; + exports.UnsignedShortType = UnsignedShortType; + exports.IntType = IntType; + exports.UnsignedIntType = UnsignedIntType; + exports.FloatType = FloatType; + exports.HalfFloatType = HalfFloatType; + exports.UnsignedShort4444Type = UnsignedShort4444Type; + exports.UnsignedShort5551Type = UnsignedShort5551Type; + exports.UnsignedShort565Type = UnsignedShort565Type; + exports.UnsignedInt248Type = UnsignedInt248Type; + exports.AlphaFormat = AlphaFormat; + exports.RGBFormat = RGBFormat; + exports.RGBAFormat = RGBAFormat; + exports.LuminanceFormat = LuminanceFormat; + exports.LuminanceAlphaFormat = LuminanceAlphaFormat; + exports.RGBEFormat = RGBEFormat; + exports.DepthFormat = DepthFormat; + exports.DepthStencilFormat = DepthStencilFormat; + exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; + exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; + exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; + exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; + exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; + exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; + exports.RGB_ETC1_Format = RGB_ETC1_Format; + exports.LoopOnce = LoopOnce; + exports.LoopRepeat = LoopRepeat; + exports.LoopPingPong = LoopPingPong; + exports.InterpolateDiscrete = InterpolateDiscrete; + exports.InterpolateLinear = InterpolateLinear; + exports.InterpolateSmooth = InterpolateSmooth; + exports.ZeroCurvatureEnding = ZeroCurvatureEnding; + exports.ZeroSlopeEnding = ZeroSlopeEnding; + exports.WrapAroundEnding = WrapAroundEnding; + exports.TrianglesDrawMode = TrianglesDrawMode; + exports.TriangleStripDrawMode = TriangleStripDrawMode; + exports.TriangleFanDrawMode = TriangleFanDrawMode; + exports.LinearEncoding = LinearEncoding; + exports.sRGBEncoding = sRGBEncoding; + exports.GammaEncoding = GammaEncoding; + exports.RGBEEncoding = RGBEEncoding; + exports.LogLuvEncoding = LogLuvEncoding; + exports.RGBM7Encoding = RGBM7Encoding; + exports.RGBM16Encoding = RGBM16Encoding; + exports.RGBDEncoding = RGBDEncoding; + exports.BasicDepthPacking = BasicDepthPacking; + exports.RGBADepthPacking = RGBADepthPacking; + exports.CubeGeometry = BoxGeometry; + exports.Face4 = Face4; + exports.LineStrip = LineStrip; + exports.LinePieces = LinePieces; + exports.MeshFaceMaterial = MultiMaterial; + exports.PointCloud = PointCloud; + exports.Particle = Sprite; + exports.ParticleSystem = ParticleSystem; + exports.PointCloudMaterial = PointCloudMaterial; + exports.ParticleBasicMaterial = ParticleBasicMaterial; + exports.ParticleSystemMaterial = ParticleSystemMaterial; + exports.Vertex = Vertex; + exports.EdgesHelper = EdgesHelper; + exports.WireframeHelper = WireframeHelper; + exports.GeometryUtils = GeometryUtils; + exports.ImageUtils = ImageUtils; + exports.Projector = Projector; + exports.CanvasRenderer = CanvasRenderer; - return new this.constructor().copy( this ); + Object.defineProperty(exports, '__esModule', { value: true }); + Object.defineProperty( exports, 'AudioContext', { + get: function () { + return exports.getAudioContext(); } + }); - }; - - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ - - function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { + }))); + + +/***/ }, +/* 3 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__.p + "./assets/silver-3da470.bmp"; + +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; - InterleavedBuffer.call( this, array, stride ); + Object.defineProperty(exports, "__esModule", { + value: true + }); - this.meshPerAttribute = meshPerAttribute || 1; + var _statsJs = __webpack_require__(5); - } + var _statsJs2 = _interopRequireDefault(_statsJs); - InstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype ); - InstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer; + var _datGui = __webpack_require__(6); - InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true; + var _datGui2 = _interopRequireDefault(_datGui); - InstancedInterleavedBuffer.prototype.copy = function ( source ) { + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - InterleavedBuffer.prototype.copy.call( this, source ); + var THREE = __webpack_require__(2); + var OrbitControls = __webpack_require__(9)(THREE); - this.meshPerAttribute = source.meshPerAttribute; - return this; + // when the scene is done initializing, the function passed as `callback` will be executed + // then, every frame, the function passed as `update` will be executed + function init(callback, update) { + var stats = new _statsJs2.default(); + stats.setMode(1); + stats.domElement.style.position = 'absolute'; + stats.domElement.style.left = '0px'; + stats.domElement.style.top = '0px'; + document.body.appendChild(stats.domElement); - }; + var gui = new _datGui2.default.GUI(); - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + var framework = { + gui: gui, + stats: stats + }; - function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) { + // run this function after the window loads + window.addEventListener('load', function () { - BufferAttribute.call( this, array, itemSize ); + var scene = new THREE.Scene(); + var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); + var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); + renderer.setPixelRatio(window.devicePixelRatio); + renderer.setSize(window.innerWidth, window.innerHeight); + renderer.setClearColor(0x020202, 0); - this.meshPerAttribute = meshPerAttribute || 1; + var controls = new OrbitControls(camera, renderer.domElement); + controls.enableDamping = true; + controls.enableZoom = true; + controls.target.set(0, 0, 0); + controls.rotateSpeed = 0.3; + controls.zoomSpeed = 1.0; + controls.panSpeed = 2.0; + controls.addEventListener('change', function () { + camera.hasMoved = true; + }); - } + document.body.appendChild(renderer.domElement); - InstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - InstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute; - - InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true; - - InstancedBufferAttribute.prototype.copy = function ( source ) { - - BufferAttribute.prototype.copy.call( this, source ); - - this.meshPerAttribute = source.meshPerAttribute; - - return this; - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author bhouston / http://clara.io/ - * @author stephomi / http://stephaneginier.com/ - */ - - function Raycaster( origin, direction, near, far ) { - - this.ray = new Ray( origin, direction ); - // direction is assumed to be normalized (for accurate distance calculations) - - this.near = near || 0; - this.far = far || Infinity; - - this.params = { - Mesh: {}, - Line: {}, - LOD: {}, - Points: { threshold: 1 }, - Sprite: {} - }; - - Object.defineProperties( this.params, { - PointCloud: { - get: function () { - console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); - return this.Points; - } - } - } ); - - } - - function ascSort( a, b ) { - - return a.distance - b.distance; - - } - - function intersectObject( object, raycaster, intersects, recursive ) { - - if ( object.visible === false ) return; - - object.raycast( raycaster, intersects ); + // resize the canvas when the window changes + window.addEventListener('resize', function () { + camera.aspect = window.innerWidth / window.innerHeight; + camera.updateProjectionMatrix(); + renderer.setSize(window.innerWidth, window.innerHeight); + }, false); - if ( recursive === true ) { + // assign THREE.js objects to the object we will return + framework.scene = scene; + framework.camera = camera; + framework.renderer = renderer; - var children = object.children; + // begin the animation loop + (function tick() { + stats.begin(); + update(framework); // perform any requested updates + renderer.render(scene, camera); // render the scene + stats.end(); + requestAnimationFrame(tick); // register to call this again when the browser renders a new frame + })(); - for ( var i = 0, l = children.length; i < l; i ++ ) { + // we will pass the scene, gui, renderer, camera, etc... to the callback function + return callback(framework); + }); + } - intersectObject( children[ i ], raycaster, intersects, true ); + exports.default = { + init: init + }; + +/***/ }, +/* 5 */ +/***/ function(module, exports) { + + // stats.js - http://github.com/mrdoob/stats.js + var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px"; + i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div"); + k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display= + "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height= + a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats); + + +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__(7) + module.exports.color = __webpack_require__(8) + +/***/ }, +/* 7 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ - } + /** @namespace */ + var dat = module.exports = dat || {}; - } + /** @namespace */ + dat.gui = dat.gui || {}; - } + /** @namespace */ + dat.utils = dat.utils || {}; - // + /** @namespace */ + dat.controllers = dat.controllers || {}; - Raycaster.prototype = { + /** @namespace */ + dat.dom = dat.dom || {}; - constructor: Raycaster, + /** @namespace */ + dat.color = dat.color || {}; - linePrecision: 1, + dat.utils.css = (function () { + return { + load: function (url, doc) { + doc = doc || document; + var link = doc.createElement('link'); + link.type = 'text/css'; + link.rel = 'stylesheet'; + link.href = url; + doc.getElementsByTagName('head')[0].appendChild(link); + }, + inject: function(css, doc) { + doc = doc || document; + var injected = document.createElement('style'); + injected.type = 'text/css'; + injected.innerHTML = css; + doc.getElementsByTagName('head')[0].appendChild(injected); + } + } + })(); - set: function ( origin, direction ) { - // direction is assumed to be normalized (for accurate distance calculations) + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; - this.ray.set( origin, direction ); + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ - }, + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { - setFromCamera: function ( coords, camera ) { + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { - if ( (camera && camera.isPerspectiveCamera) ) { + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, - this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); - this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); - } else if ( (camera && camera.isOrthographicCamera) ) { - this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera - this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + dat.controllers.Controller = (function (common) { - } else { + /** + * @class An "abstract" class that represents a given property of an object. + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var Controller = function(object, property) { - console.error( 'THREE.Raycaster: Unsupported camera type.' ); + this.initialValue = object[property]; - } + /** + * Those who extend this class will put their DOM elements in here. + * @type {DOMElement} + */ + this.domElement = document.createElement('div'); - }, + /** + * The object to manipulate + * @type {Object} + */ + this.object = object; - intersectObject: function ( object, recursive ) { + /** + * The name of the property to manipulate + * @type {String} + */ + this.property = property; - var intersects = []; + /** + * The function to be called on change. + * @type {Function} + * @ignore + */ + this.__onChange = undefined; - intersectObject( object, this, intersects, recursive ); + /** + * The function to be called on finishing change. + * @type {Function} + * @ignore + */ + this.__onFinishChange = undefined; - intersects.sort( ascSort ); + }; - return intersects; + common.extend( - }, + Controller.prototype, - intersectObjects: function ( objects, recursive ) { + /** @lends dat.controllers.Controller.prototype */ + { - var intersects = []; + /** + * Specify that a function fire every time someone changes the value with + * this Controller. + * + * @param {Function} fnc This function will be called whenever the value + * is modified via this Controller. + * @returns {dat.controllers.Controller} this + */ + onChange: function(fnc) { + this.__onChange = fnc; + return this; + }, - if ( Array.isArray( objects ) === false ) { + /** + * Specify that a function fire every time someone "finishes" changing + * the value wih this Controller. Useful for values that change + * incrementally like numbers or strings. + * + * @param {Function} fnc This function will be called whenever + * someone "finishes" changing the value via this Controller. + * @returns {dat.controllers.Controller} this + */ + onFinishChange: function(fnc) { + this.__onFinishChange = fnc; + return this; + }, - console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); - return intersects; + /** + * Change the value of object[property] + * + * @param {Object} newValue The new value of object[property] + */ + setValue: function(newValue) { + this.object[this.property] = newValue; + if (this.__onChange) { + this.__onChange.call(this, newValue); + } + this.updateDisplay(); + return this; + }, - } + /** + * Gets the value of object[property] + * + * @returns {Object} The current value of object[property] + */ + getValue: function() { + return this.object[this.property]; + }, - for ( var i = 0, l = objects.length; i < l; i ++ ) { + /** + * Refreshes the visual display of a Controller in order to keep sync + * with the object's current value. + * @returns {dat.controllers.Controller} this + */ + updateDisplay: function() { + return this; + }, - intersectObject( objects[ i ], this, intersects, recursive ); + /** + * @returns {Boolean} true if the value has deviated from initialValue + */ + isModified: function() { + return this.initialValue !== this.getValue() + } - } + } - intersects.sort( ascSort ); + ); - return intersects; + return Controller; - } - }; + })(dat.utils.common); - /** - * @author alteredq / http://alteredqualia.com/ - */ - function Clock( autoStart ) { + dat.dom.dom = (function (common) { - this.autoStart = ( autoStart !== undefined ) ? autoStart : true; + var EVENT_MAP = { + 'HTMLEvents': ['change'], + 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'], + 'KeyboardEvents': ['keydown'] + }; - this.startTime = 0; - this.oldTime = 0; - this.elapsedTime = 0; + var EVENT_MAP_INV = {}; + common.each(EVENT_MAP, function(v, k) { + common.each(v, function(e) { + EVENT_MAP_INV[e] = k; + }); + }); - this.running = false; + var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/; - } + function cssValueToPixels(val) { - Clock.prototype = { + if (val === '0' || common.isUndefined(val)) return 0; - constructor: Clock, + var match = val.match(CSS_VALUE_PIXELS); - start: function () { + if (!common.isNull(match)) { + return parseFloat(match[1]); + } - this.startTime = ( performance || Date ).now(); + // TODO ...ems? %? - this.oldTime = this.startTime; - this.elapsedTime = 0; - this.running = true; + return 0; - }, + } - stop: function () { + /** + * @namespace + * @member dat.dom + */ + var dom = { - this.getElapsedTime(); - this.running = false; + /** + * + * @param elem + * @param selectable + */ + makeSelectable: function(elem, selectable) { - }, + if (elem === undefined || elem.style === undefined) return; - getElapsedTime: function () { + elem.onselectstart = selectable ? function() { + return false; + } : function() { + }; - this.getDelta(); - return this.elapsedTime; + elem.style.MozUserSelect = selectable ? 'auto' : 'none'; + elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none'; + elem.unselectable = selectable ? 'on' : 'off'; - }, + }, - getDelta: function () { + /** + * + * @param elem + * @param horizontal + * @param vertical + */ + makeFullscreen: function(elem, horizontal, vertical) { - var diff = 0; + if (common.isUndefined(horizontal)) horizontal = true; + if (common.isUndefined(vertical)) vertical = true; - if ( this.autoStart && ! this.running ) { + elem.style.position = 'absolute'; - this.start(); + if (horizontal) { + elem.style.left = 0; + elem.style.right = 0; + } + if (vertical) { + elem.style.top = 0; + elem.style.bottom = 0; + } - } + }, - if ( this.running ) { + /** + * + * @param elem + * @param eventType + * @param params + */ + fakeEvent: function(elem, eventType, params, aux) { + params = params || {}; + var className = EVENT_MAP_INV[eventType]; + if (!className) { + throw new Error('Event type ' + eventType + ' not supported.'); + } + var evt = document.createEvent(className); + switch (className) { + case 'MouseEvents': + var clientX = params.x || params.clientX || 0; + var clientY = params.y || params.clientY || 0; + evt.initMouseEvent(eventType, params.bubbles || false, + params.cancelable || true, window, params.clickCount || 1, + 0, //screen X + 0, //screen Y + clientX, //client X + clientY, //client Y + false, false, false, false, 0, null); + break; + case 'KeyboardEvents': + var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz + common.defaults(params, { + cancelable: true, + ctrlKey: false, + altKey: false, + shiftKey: false, + metaKey: false, + keyCode: undefined, + charCode: undefined + }); + init(eventType, params.bubbles || false, + params.cancelable, window, + params.ctrlKey, params.altKey, + params.shiftKey, params.metaKey, + params.keyCode, params.charCode); + break; + default: + evt.initEvent(eventType, params.bubbles || false, + params.cancelable || true); + break; + } + common.defaults(evt, aux); + elem.dispatchEvent(evt); + }, - var newTime = ( performance || Date ).now(); + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + bind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.addEventListener) + elem.addEventListener(event, func, bool); + else if (elem.attachEvent) + elem.attachEvent('on' + event, func); + return dom; + }, - diff = ( newTime - this.oldTime ) / 1000; - this.oldTime = newTime; + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + unbind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.removeEventListener) + elem.removeEventListener(event, func, bool); + else if (elem.detachEvent) + elem.detachEvent('on' + event, func); + return dom; + }, - this.elapsedTime += diff; + /** + * + * @param elem + * @param className + */ + addClass: function(elem, className) { + if (elem.className === undefined) { + elem.className = className; + } else if (elem.className !== className) { + var classes = elem.className.split(/ +/); + if (classes.indexOf(className) == -1) { + classes.push(className); + elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, ''); + } + } + return dom; + }, - } + /** + * + * @param elem + * @param className + */ + removeClass: function(elem, className) { + if (className) { + if (elem.className === undefined) { + // elem.className = className; + } else if (elem.className === className) { + elem.removeAttribute('class'); + } else { + var classes = elem.className.split(/ +/); + var index = classes.indexOf(className); + if (index != -1) { + classes.splice(index, 1); + elem.className = classes.join(' '); + } + } + } else { + elem.className = undefined; + } + return dom; + }, - return diff; + hasClass: function(elem, className) { + return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false; + }, - } + /** + * + * @param elem + */ + getWidth: function(elem) { - }; + var style = getComputedStyle(elem); - /** - * Spline from Tween.js, slightly optimized (and trashed) - * http://sole.github.com/tween.js/examples/05_spline.html - * - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + return cssValueToPixels(style['border-left-width']) + + cssValueToPixels(style['border-right-width']) + + cssValueToPixels(style['padding-left']) + + cssValueToPixels(style['padding-right']) + + cssValueToPixels(style['width']); + }, - function Spline( points ) { + /** + * + * @param elem + */ + getHeight: function(elem) { - this.points = points; + var style = getComputedStyle(elem); - var c = [], v3 = { x: 0, y: 0, z: 0 }, - point, intPoint, weight, w2, w3, - pa, pb, pc, pd; + return cssValueToPixels(style['border-top-width']) + + cssValueToPixels(style['border-bottom-width']) + + cssValueToPixels(style['padding-top']) + + cssValueToPixels(style['padding-bottom']) + + cssValueToPixels(style['height']); + }, - this.initFromArray = function ( a ) { + /** + * + * @param elem + */ + getOffset: function(elem) { + var offset = {left: 0, top:0}; + if (elem.offsetParent) { + do { + offset.left += elem.offsetLeft; + offset.top += elem.offsetTop; + } while (elem = elem.offsetParent); + } + return offset; + }, - this.points = []; + // http://stackoverflow.com/posts/2684561/revisions + /** + * + * @param elem + */ + isActive: function(elem) { + return elem === document.activeElement && ( elem.type || elem.href ); + } - for ( var i = 0; i < a.length; i ++ ) { + }; - this.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] }; + return dom; - } + })(dat.utils.common); - }; - this.getPoint = function ( k ) { + dat.controllers.OptionController = (function (Controller, dom, common) { - point = ( this.points.length - 1 ) * k; - intPoint = Math.floor( point ); - weight = point - intPoint; + /** + * @class Provides a select input to alter the property of an object, using a + * list of accepted values. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object|string[]} options A map of labels to acceptable values, or + * a list of acceptable string values. + * + * @member dat.controllers + */ + var OptionController = function(object, property, options) { - c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1; - c[ 1 ] = intPoint; - c[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1; - c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2; + OptionController.superclass.call(this, object, property); - pa = this.points[ c[ 0 ] ]; - pb = this.points[ c[ 1 ] ]; - pc = this.points[ c[ 2 ] ]; - pd = this.points[ c[ 3 ] ]; + var _this = this; - w2 = weight * weight; - w3 = weight * w2; + /** + * The drop down menu + * @ignore + */ + this.__select = document.createElement('select'); - v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 ); - v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 ); - v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 ); + if (common.isArray(options)) { + var map = {}; + common.each(options, function(element) { + map[element] = element; + }); + options = map; + } - return v3; + common.each(options, function(value, key) { - }; + var opt = document.createElement('option'); + opt.innerHTML = key; + opt.setAttribute('value', value); + _this.__select.appendChild(opt); - this.getControlPointsArray = function () { + }); - var i, p, l = this.points.length, - coords = []; + // Acknowledge original value + this.updateDisplay(); - for ( i = 0; i < l; i ++ ) { + dom.bind(this.__select, 'change', function() { + var desiredValue = this.options[this.selectedIndex].value; + _this.setValue(desiredValue); + }); - p = this.points[ i ]; - coords[ i ] = [ p.x, p.y, p.z ]; + this.domElement.appendChild(this.__select); - } + }; - return coords; + OptionController.superclass = Controller; - }; + common.extend( - // approximate length by summing linear segments + OptionController.prototype, + Controller.prototype, - this.getLength = function ( nSubDivisions ) { + { - var i, index, nSamples, position, - point = 0, intPoint = 0, oldIntPoint = 0, - oldPosition = new Vector3(), - tmpVec = new Vector3(), - chunkLengths = [], - totalLength = 0; + setValue: function(v) { + var toReturn = OptionController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + return toReturn; + }, - // first point has 0 length + updateDisplay: function() { + this.__select.value = this.getValue(); + return OptionController.superclass.prototype.updateDisplay.call(this); + } - chunkLengths[ 0 ] = 0; + } - if ( ! nSubDivisions ) nSubDivisions = 100; + ); - nSamples = this.points.length * nSubDivisions; + return OptionController; - oldPosition.copy( this.points[ 0 ] ); + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - for ( i = 1; i < nSamples; i ++ ) { - index = i / nSamples; + dat.controllers.NumberController = (function (Controller, common) { - position = this.getPoint( index ); - tmpVec.copy( position ); + /** + * @class Represents a given property of an object that is a number. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberController = function(object, property, params) { - totalLength += tmpVec.distanceTo( oldPosition ); + NumberController.superclass.call(this, object, property); - oldPosition.copy( position ); + params = params || {}; - point = ( this.points.length - 1 ) * index; - intPoint = Math.floor( point ); + this.__min = params.min; + this.__max = params.max; + this.__step = params.step; - if ( intPoint !== oldIntPoint ) { + if (common.isUndefined(this.__step)) { - chunkLengths[ intPoint ] = totalLength; - oldIntPoint = intPoint; + if (this.initialValue == 0) { + this.__impliedStep = 1; // What are we, psychics? + } else { + // Hey Doug, check this out. + this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10; + } - } + } else { - } + this.__impliedStep = this.__step; - // last point ends with total length + } - chunkLengths[ chunkLengths.length ] = totalLength; + this.__precision = numDecimals(this.__impliedStep); - return { chunks: chunkLengths, total: totalLength }; - }; + }; - this.reparametrizeByArcLength = function ( samplingCoef ) { + NumberController.superclass = Controller; - var i, j, - index, indexCurrent, indexNext, - realDistance, - sampling, position, - newpoints = [], - tmpVec = new Vector3(), - sl = this.getLength(); + common.extend( - newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() ); + NumberController.prototype, + Controller.prototype, - for ( i = 1; i < this.points.length; i ++ ) { + /** @lends dat.controllers.NumberController.prototype */ + { - //tmpVec.copy( this.points[ i - 1 ] ); - //linearDistance = tmpVec.distanceTo( this.points[ i ] ); + setValue: function(v) { - realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ]; + if (this.__min !== undefined && v < this.__min) { + v = this.__min; + } else if (this.__max !== undefined && v > this.__max) { + v = this.__max; + } - sampling = Math.ceil( samplingCoef * realDistance / sl.total ); + if (this.__step !== undefined && v % this.__step != 0) { + v = Math.round(v / this.__step) * this.__step; + } - indexCurrent = ( i - 1 ) / ( this.points.length - 1 ); - indexNext = i / ( this.points.length - 1 ); + return NumberController.superclass.prototype.setValue.call(this, v); - for ( j = 1; j < sampling - 1; j ++ ) { + }, - index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent ); + /** + * Specify a minimum value for object[property]. + * + * @param {Number} minValue The minimum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + min: function(v) { + this.__min = v; + return this; + }, - position = this.getPoint( index ); - newpoints.push( tmpVec.copy( position ).clone() ); + /** + * Specify a maximum value for object[property]. + * + * @param {Number} maxValue The maximum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + max: function(v) { + this.__max = v; + return this; + }, - } + /** + * Specify a step value that dat.controllers.NumberController + * increments by. + * + * @param {Number} stepValue The step value for + * dat.controllers.NumberController + * @default if minimum and maximum specified increment is 1% of the + * difference otherwise stepValue is 1 + * @returns {dat.controllers.NumberController} this + */ + step: function(v) { + this.__step = v; + return this; + } - newpoints.push( tmpVec.copy( this.points[ i ] ).clone() ); + } - } + ); - this.points = newpoints; + function numDecimals(x) { + x = x.toString(); + if (x.indexOf('.') > -1) { + return x.length - x.indexOf('.') - 1; + } else { + return 0; + } + } - }; + return NumberController; - // Catmull-Rom + })(dat.controllers.Controller, + dat.utils.common); - function interpolate( p0, p1, p2, p3, t, t2, t3 ) { - var v0 = ( p2 - p0 ) * 0.5, - v1 = ( p3 - p1 ) * 0.5; + dat.controllers.NumberControllerBox = (function (NumberController, dom, common) { - return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1; + /** + * @class Represents a given property of an object that is a number and + * provides an input element with which to manipulate it. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerBox = function(object, property, params) { - } + this.__truncationSuspended = false; - } + NumberControllerBox.superclass.call(this, object, property, params); - /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system - * - * The poles (phi) are at the positive and negative y axis. - * The equator starts at positive z. - */ + var _this = this; - function Spherical( radius, phi, theta ) { + /** + * {Number} Previous mouse y position + * @ignore + */ + var prev_y; - this.radius = ( radius !== undefined ) ? radius : 1.0; - this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole - this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); - return this; + // Makes it so manually specified values are not truncated. - } + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'mousedown', onMouseDown); + dom.bind(this.__input, 'keydown', function(e) { - Spherical.prototype = { + // When pressing entire, you can be as precise as you want. + if (e.keyCode === 13) { + _this.__truncationSuspended = true; + this.blur(); + _this.__truncationSuspended = false; + } - constructor: Spherical, + }); - set: function ( radius, phi, theta ) { + function onChange() { + var attempted = parseFloat(_this.__input.value); + if (!common.isNaN(attempted)) _this.setValue(attempted); + } - this.radius = radius; - this.phi = phi; - this.theta = theta; + function onBlur() { + onChange(); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - return this; + function onMouseDown(e) { + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); + prev_y = e.clientY; + } - }, + function onMouseDrag(e) { - clone: function () { + var diff = prev_y - e.clientY; + _this.setValue(_this.getValue() + diff * _this.__impliedStep); - return new this.constructor().copy( this ); + prev_y = e.clientY; - }, + } - copy: function ( other ) { + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + } - this.radius = other.radius; - this.phi = other.phi; - this.theta = other.theta; + this.updateDisplay(); - return this; + this.domElement.appendChild(this.__input); - }, + }; - // restrict phi to be betwee EPS and PI-EPS - makeSafe: function() { + NumberControllerBox.superclass = NumberController; - var EPS = 0.000001; - this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + common.extend( - return this; + NumberControllerBox.prototype, + NumberController.prototype, - }, + { - setFromVector3: function( vec3 ) { + updateDisplay: function() { - this.radius = vec3.length(); + this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision); + return NumberControllerBox.superclass.prototype.updateDisplay.call(this); + } - if ( this.radius === 0 ) { + } - this.theta = 0; - this.phi = 0; + ); - } else { + function roundToDecimal(value, decimals) { + var tenTo = Math.pow(10, decimals); + return Math.round(value * tenTo) / tenTo; + } - this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis - this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle + return NumberControllerBox; - } + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.common); - return this; - }, + dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) { - }; + /** + * @class Represents a given property of an object that is a number, contains + * a minimum and maximum, and provides a slider element with which to + * manipulate it. It should be noted that the slider element is made up of + * <div> tags, not the html5 + * <slider> element. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Number} minValue Minimum allowed value + * @param {Number} maxValue Maximum allowed value + * @param {Number} stepValue Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerSlider = function(object, property, min, max, step) { - /** - * @author alteredq / http://alteredqualia.com/ - */ + NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step }); - function MorphBlendMesh( geometry, material ) { + var _this = this; - Mesh.call( this, geometry, material ); + this.__background = document.createElement('div'); + this.__foreground = document.createElement('div'); + - this.animationsMap = {}; - this.animationsList = []; - // prepare default animation - // (all frames played together in 1 second) + dom.bind(this.__background, 'mousedown', onMouseDown); + + dom.addClass(this.__background, 'slider'); + dom.addClass(this.__foreground, 'slider-fg'); - var numFrames = this.geometry.morphTargets.length; + function onMouseDown(e) { - var name = "__default"; + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); - var startFrame = 0; - var endFrame = numFrames - 1; + onMouseDrag(e); + } - var fps = numFrames / 1; + function onMouseDrag(e) { - this.createAnimation( name, startFrame, endFrame, fps ); - this.setAnimationWeight( name, 1 ); + e.preventDefault(); - } + var offset = dom.getOffset(_this.__background); + var width = dom.getWidth(_this.__background); + + _this.setValue( + map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max) + ); - MorphBlendMesh.prototype = Object.create( Mesh.prototype ); - MorphBlendMesh.prototype.constructor = MorphBlendMesh; + return false; - MorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) { + } - var animation = { + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - start: start, - end: end, + this.updateDisplay(); - length: end - start + 1, + this.__background.appendChild(this.__foreground); + this.domElement.appendChild(this.__background); - fps: fps, - duration: ( end - start ) / fps, + }; - lastFrame: 0, - currentFrame: 0, + NumberControllerSlider.superclass = NumberController; - active: false, + /** + * Injects default stylesheet for slider elements. + */ + NumberControllerSlider.useDefaultStyles = function() { + css.inject(styleSheet); + }; - time: 0, - direction: 1, - weight: 1, + common.extend( - directionBackwards: false, - mirroredLoop: false + NumberControllerSlider.prototype, + NumberController.prototype, - }; + { - this.animationsMap[ name ] = animation; - this.animationsList.push( animation ); + updateDisplay: function() { + var pct = (this.getValue() - this.__min)/(this.__max - this.__min); + this.__foreground.style.width = pct*100+'%'; + return NumberControllerSlider.superclass.prototype.updateDisplay.call(this); + } - }; + } - MorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) { - var pattern = /([a-z]+)_?(\d+)/i; - var firstAnimation, frameRanges = {}; + ); - var geometry = this.geometry; + function map(v, i1, i2, o1, o2) { + return o1 + (o2 - o1) * ((v - i1) / (i2 - i1)); + } - for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) { + return NumberControllerSlider; + + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.css, + dat.utils.common, + ".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); - var morph = geometry.morphTargets[ i ]; - var chunks = morph.name.match( pattern ); - if ( chunks && chunks.length > 1 ) { + dat.controllers.FunctionController = (function (Controller, dom, common) { - var name = chunks[ 1 ]; + /** + * @class Provides a GUI interface to fire a specified method, a property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var FunctionController = function(object, property, text) { - if ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity }; + FunctionController.superclass.call(this, object, property); - var range = frameRanges[ name ]; + var _this = this; - if ( i < range.start ) range.start = i; - if ( i > range.end ) range.end = i; + this.__button = document.createElement('div'); + this.__button.innerHTML = text === undefined ? 'Fire' : text; + dom.bind(this.__button, 'click', function(e) { + e.preventDefault(); + _this.fire(); + return false; + }); - if ( ! firstAnimation ) firstAnimation = name; + dom.addClass(this.__button, 'button'); - } + this.domElement.appendChild(this.__button); - } - for ( var name in frameRanges ) { + }; - var range = frameRanges[ name ]; - this.createAnimation( name, range.start, range.end, fps ); + FunctionController.superclass = Controller; - } + common.extend( - this.firstAnimation = firstAnimation; + FunctionController.prototype, + Controller.prototype, + { + + fire: function() { + if (this.__onChange) { + this.__onChange.call(this); + } + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.getValue().call(this.object); + } + } - }; + ); - MorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) { + return FunctionController; - var animation = this.animationsMap[ name ]; + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - if ( animation ) { - animation.direction = 1; - animation.directionBackwards = false; + dat.controllers.BooleanController = (function (Controller, dom, common) { - } + /** + * @class Provides a checkbox input to alter the boolean property of an object. + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var BooleanController = function(object, property) { - }; + BooleanController.superclass.call(this, object, property); - MorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) { + var _this = this; + this.__prev = this.getValue(); - var animation = this.animationsMap[ name ]; + this.__checkbox = document.createElement('input'); + this.__checkbox.setAttribute('type', 'checkbox'); - if ( animation ) { - animation.direction = - 1; - animation.directionBackwards = true; + dom.bind(this.__checkbox, 'change', onChange, false); - } + this.domElement.appendChild(this.__checkbox); - }; + // Match original value + this.updateDisplay(); - MorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) { + function onChange() { + _this.setValue(!_this.__prev); + } - var animation = this.animationsMap[ name ]; + }; - if ( animation ) { + BooleanController.superclass = Controller; - animation.fps = fps; - animation.duration = ( animation.end - animation.start ) / animation.fps; + common.extend( - } + BooleanController.prototype, + Controller.prototype, - }; + { - MorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) { + setValue: function(v) { + var toReturn = BooleanController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.__prev = this.getValue(); + return toReturn; + }, - var animation = this.animationsMap[ name ]; + updateDisplay: function() { + + if (this.getValue() === true) { + this.__checkbox.setAttribute('checked', 'checked'); + this.__checkbox.checked = true; + } else { + this.__checkbox.checked = false; + } - if ( animation ) { + return BooleanController.superclass.prototype.updateDisplay.call(this); - animation.duration = duration; - animation.fps = ( animation.end - animation.start ) / animation.duration; + } - } - }; + } - MorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) { + ); - var animation = this.animationsMap[ name ]; + return BooleanController; - if ( animation ) { + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - animation.weight = weight; - } + dat.color.toString = (function (common) { - }; + return function(color) { - MorphBlendMesh.prototype.setAnimationTime = function ( name, time ) { + if (color.a == 1 || common.isUndefined(color.a)) { - var animation = this.animationsMap[ name ]; + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } - if ( animation ) { + return '#' + s; - animation.time = time; + } else { - } + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; - }; + } - MorphBlendMesh.prototype.getAnimationTime = function ( name ) { + } - var time = 0; + })(dat.utils.common); - var animation = this.animationsMap[ name ]; - if ( animation ) { + dat.color.interpret = (function (toString, common) { - time = animation.time; + var result, toReturn; - } + var interpret = function() { - return time; + toReturn = false; - }; + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; - MorphBlendMesh.prototype.getAnimationDuration = function ( name ) { + common.each(INTERPRETATIONS, function(family) { - var duration = - 1; + if (family.litmus(original)) { - var animation = this.animationsMap[ name ]; + common.each(family.conversions, function(conversion, conversionName) { - if ( animation ) { + result = conversion.read(original); - duration = animation.duration; + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; - } + } - return duration; + }); - }; + return common.BREAK; - MorphBlendMesh.prototype.playAnimation = function ( name ) { + } - var animation = this.animationsMap[ name ]; + }); - if ( animation ) { + return toReturn; - animation.time = 0; - animation.active = true; + }; - } else { + var INTERPRETATIONS = [ - console.warn( "THREE.MorphBlendMesh: animation[" + name + "] undefined in .playAnimation()" ); + // Strings + { - } + litmus: common.isString, - }; + conversions: { - MorphBlendMesh.prototype.stopAnimation = function ( name ) { + THREE_CHAR_HEX: { - var animation = this.animationsMap[ name ]; + read: function(original) { - if ( animation ) { + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; - animation.active = false; + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; - } + }, - }; + write: toString - MorphBlendMesh.prototype.update = function ( delta ) { + }, - for ( var i = 0, il = this.animationsList.length; i < il; i ++ ) { + SIX_CHAR_HEX: { - var animation = this.animationsList[ i ]; + read: function(original) { - if ( ! animation.active ) continue; + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; - var frameTime = animation.duration / animation.length; + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; - animation.time += animation.direction * delta; + }, - if ( animation.mirroredLoop ) { + write: toString - if ( animation.time > animation.duration || animation.time < 0 ) { + }, - animation.direction *= - 1; + CSS_RGB: { - if ( animation.time > animation.duration ) { + read: function(original) { - animation.time = animation.duration; - animation.directionBackwards = true; + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; - } + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; - if ( animation.time < 0 ) { + }, - animation.time = 0; - animation.directionBackwards = false; + write: toString - } + }, - } + CSS_RGBA: { - } else { + read: function(original) { - animation.time = animation.time % animation.duration; + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; - if ( animation.time < 0 ) animation.time += animation.duration; + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; - } + }, - var keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 ); - var weight = animation.weight; + write: toString - if ( keyframe !== animation.currentFrame ) { + } - this.morphTargetInfluences[ animation.lastFrame ] = 0; - this.morphTargetInfluences[ animation.currentFrame ] = 1 * weight; + } - this.morphTargetInfluences[ keyframe ] = 0; + }, - animation.lastFrame = animation.currentFrame; - animation.currentFrame = keyframe; + // Numbers + { - } + litmus: common.isNumber, - var mix = ( animation.time % frameTime ) / frameTime; + conversions: { - if ( animation.directionBackwards ) mix = 1 - mix; + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, - if ( animation.currentFrame !== animation.lastFrame ) { + write: function(color) { + return color.hex; + } + } - this.morphTargetInfluences[ animation.currentFrame ] = mix * weight; - this.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight; + } - } else { + }, - this.morphTargetInfluences[ animation.currentFrame ] = weight; + // Arrays + { - } + litmus: common.isArray, - } + conversions: { - }; + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, - /** - * @author alteredq / http://alteredqualia.com/ - */ + write: function(color) { + return [color.r, color.g, color.b]; + } - function ImmediateRenderObject( material ) { + }, - Object3D.call( this ); + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, - this.material = material; - this.render = function ( renderCallback ) {}; + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } - } + } - ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); - ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; + } - ImmediateRenderObject.prototype.isImmediateRenderObject = true; + }, - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + // Objects + { - function VertexNormalsHelper( object, size, hex, linewidth ) { + litmus: common.isObject, - this.object = object; + conversions: { - this.size = ( size !== undefined ) ? size : 1; + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, - var color = ( hex !== undefined ) ? hex : 0xff0000; + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, - var width = ( linewidth !== undefined ) ? linewidth : 1; + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, - // + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, - var nNormals = 0; + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, - var objGeometry = this.object.geometry; + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, - if ( (objGeometry && objGeometry.isGeometry) ) { + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, - nNormals = objGeometry.faces.length * 3; + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } - } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + } - nNormals = objGeometry.attributes.normal.count; + } - } + } - // - var geometry = new BufferGeometry(); + ]; - var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + return interpret; - geometry.addAttribute( 'position', positions ); - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + })(dat.color.toString, + dat.utils.common); - // - this.matrixAutoUpdate = false; + dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) { - this.update(); + css.inject(styleSheet); - } + /** Outer-most className for GUI's */ + var CSS_NAMESPACE = 'dg'; - VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); - VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; + var HIDE_KEY_CODE = 72; - VertexNormalsHelper.prototype.update = ( function () { + /** The only value shared between the JS and SCSS. Use caution. */ + var CLOSE_BUTTON_HEIGHT = 20; - var v1 = new Vector3(); - var v2 = new Vector3(); - var normalMatrix = new Matrix3(); + var DEFAULT_DEFAULT_PRESET_NAME = 'Default'; - return function update() { + var SUPPORTS_LOCAL_STORAGE = (function() { + try { + return 'localStorage' in window && window['localStorage'] !== null; + } catch (e) { + return false; + } + })(); - var keys = [ 'a', 'b', 'c' ]; + var SAVE_DIALOGUE; - this.object.updateMatrixWorld( true ); + /** Have we yet to create an autoPlace GUI? */ + var auto_place_virgin = true; - normalMatrix.getNormalMatrix( this.object.matrixWorld ); + /** Fixed position div that auto place GUI's go inside */ + var auto_place_container; - var matrixWorld = this.object.matrixWorld; + /** Are we hiding the GUI's ? */ + var hide = false; - var position = this.geometry.attributes.position; + /** GUI's which should be hidden */ + var hideable_guis = []; - // + /** + * A lightweight controller library for JavaScript. It allows you to easily + * manipulate variables and fire functions on the fly. + * @class + * + * @member dat.gui + * + * @param {Object} [params] + * @param {String} [params.name] The name of this GUI. + * @param {Object} [params.load] JSON object representing the saved state of + * this GUI. + * @param {Boolean} [params.auto=true] + * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in. + * @param {Boolean} [params.closed] If true, starts closed + */ + var GUI = function(params) { - var objGeometry = this.object.geometry; + var _this = this; - if ( (objGeometry && objGeometry.isGeometry) ) { + /** + * Outermost DOM Element + * @type DOMElement + */ + this.domElement = document.createElement('div'); + this.__ul = document.createElement('ul'); + this.domElement.appendChild(this.__ul); - var vertices = objGeometry.vertices; + dom.addClass(this.domElement, CSS_NAMESPACE); - var faces = objGeometry.faces; + /** + * Nested GUI's by name + * @ignore + */ + this.__folders = {}; - var idx = 0; + this.__controllers = []; - for ( var i = 0, l = faces.length; i < l; i ++ ) { + /** + * List of objects I'm remembering for save, only used in top level GUI + * @ignore + */ + this.__rememberedObjects = []; - var face = faces[ i ]; + /** + * Maps the index of remembered objects to a map of controllers, only used + * in top level GUI. + * + * @private + * @ignore + * + * @example + * [ + * { + * propertyName: Controller, + * anotherPropertyName: Controller + * }, + * { + * propertyName: Controller + * } + * ] + */ + this.__rememberedObjectIndecesToControllers = []; - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + this.__listening = []; - var vertex = vertices[ face[ keys[ j ] ] ]; + params = params || {}; - var normal = face.vertexNormals[ j ]; + // Default parameters + params = common.defaults(params, { + autoPlace: true, + width: GUI.DEFAULT_WIDTH + }); - v1.copy( vertex ).applyMatrix4( matrixWorld ); + params = common.defaults(params, { + resizable: params.autoPlace, + hideable: params.autoPlace + }); - v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - position.setXYZ( idx, v1.x, v1.y, v1.z ); + if (!common.isUndefined(params.load)) { - idx = idx + 1; + // Explicit preset + if (params.preset) params.load.preset = params.preset; - position.setXYZ( idx, v2.x, v2.y, v2.z ); + } else { - idx = idx + 1; + params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME }; - } + } - } + if (common.isUndefined(params.parent) && params.hideable) { + hideable_guis.push(this); + } - } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + // Only root level GUI's are resizable. + params.resizable = common.isUndefined(params.parent) && params.resizable; - var objPos = objGeometry.attributes.position; - var objNorm = objGeometry.attributes.normal; + if (params.autoPlace && common.isUndefined(params.scrollable)) { + params.scrollable = true; + } + // params.scrollable = common.isUndefined(params.parent) && params.scrollable === true; - var idx = 0; + // Not part of params because I don't want people passing this in via + // constructor. Should be a 'remembered' value. + var use_local_storage = + SUPPORTS_LOCAL_STORAGE && + localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true'; - // for simplicity, ignore index and drawcalls, and render every normal + Object.defineProperties(this, - for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { + /** @lends dat.gui.GUI.prototype */ + { - v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); + /** + * The parent GUI + * @type dat.gui.GUI + */ + parent: { + get: function() { + return params.parent; + } + }, - v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); + scrollable: { + get: function() { + return params.scrollable; + } + }, - v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + /** + * Handles GUI's element placement for you + * @type Boolean + */ + autoPlace: { + get: function() { + return params.autoPlace; + } + }, - position.setXYZ( idx, v1.x, v1.y, v1.z ); + /** + * The identifier for a set of saved values + * @type String + */ + preset: { - idx = idx + 1; + get: function() { + if (_this.parent) { + return _this.getRoot().preset; + } else { + return params.load.preset; + } + }, - position.setXYZ( idx, v2.x, v2.y, v2.z ); + set: function(v) { + if (_this.parent) { + _this.getRoot().preset = v; + } else { + params.load.preset = v; + } + setPresetSelectIndex(this); + _this.revert(); + } - idx = idx + 1; + }, - } + /** + * The width of GUI element + * @type Number + */ + width: { + get: function() { + return params.width; + }, + set: function(v) { + params.width = v; + setWidth(_this, v); + } + }, - } + /** + * The name of GUI. Used for folders. i.e + * a folder's name + * @type String + */ + name: { + get: function() { + return params.name; + }, + set: function(v) { + // TODO Check for collisions among sibling folders + params.name = v; + if (title_row_name) { + title_row_name.innerHTML = params.name; + } + } + }, - position.needsUpdate = true; + /** + * Whether the GUI is collapsed or not + * @type Boolean + */ + closed: { + get: function() { + return params.closed; + }, + set: function(v) { + params.closed = v; + if (params.closed) { + dom.addClass(_this.__ul, GUI.CLASS_CLOSED); + } else { + dom.removeClass(_this.__ul, GUI.CLASS_CLOSED); + } + // For browsers that aren't going to respect the CSS transition, + // Lets just check our height against the window height right off + // the bat. + this.onResize(); - return this; + if (_this.__closeButton) { + _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED; + } + } + }, - }; + /** + * Contains all presets + * @type Object + */ + load: { + get: function() { + return params.load; + } + }, - }() ); + /** + * Determines whether or not to use localStorage as the means for + * remembering + * @type Boolean + */ + useLocalStorage: { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + get: function() { + return use_local_storage; + }, + set: function(bool) { + if (SUPPORTS_LOCAL_STORAGE) { + use_local_storage = bool; + if (bool) { + dom.bind(window, 'unload', saveToLocalStorage); + } else { + dom.unbind(window, 'unload', saveToLocalStorage); + } + localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool); + } + } - function SpotLightHelper( light ) { + } - Object3D.call( this ); + }); - this.light = light; - this.light.updateMatrixWorld(); + // Are we a root level GUI? + if (common.isUndefined(params.parent)) { - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + params.closed = false; - var geometry = new BufferGeometry(); + dom.addClass(this.domElement, GUI.CLASS_MAIN); + dom.makeSelectable(this.domElement, false); - var positions = [ - 0, 0, 0, 0, 0, 1, - 0, 0, 0, 1, 0, 1, - 0, 0, 0, - 1, 0, 1, - 0, 0, 0, 0, 1, 1, - 0, 0, 0, 0, - 1, 1 - ]; + // Are we supposed to be loading locally? + if (SUPPORTS_LOCAL_STORAGE) { - for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + if (use_local_storage) { - var p1 = ( i / l ) * Math.PI * 2; - var p2 = ( j / l ) * Math.PI * 2; + _this.useLocalStorage = true; - positions.push( - Math.cos( p1 ), Math.sin( p1 ), 1, - Math.cos( p2 ), Math.sin( p2 ), 1 - ); + var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui')); - } + if (saved_gui) { + params.load = JSON.parse(saved_gui); + } - geometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) ); + } - var material = new LineBasicMaterial( { fog: false } ); + } - this.cone = new LineSegments( geometry, material ); - this.add( this.cone ); + this.__closeButton = document.createElement('div'); + this.__closeButton.innerHTML = GUI.TEXT_CLOSED; + dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON); + this.domElement.appendChild(this.__closeButton); - this.update(); + dom.bind(this.__closeButton, 'click', function() { - } + _this.closed = !_this.closed; - SpotLightHelper.prototype = Object.create( Object3D.prototype ); - SpotLightHelper.prototype.constructor = SpotLightHelper; - SpotLightHelper.prototype.dispose = function () { + }); - this.cone.geometry.dispose(); - this.cone.material.dispose(); - }; + // Oh, you're a nested GUI! + } else { - SpotLightHelper.prototype.update = function () { + if (params.closed === undefined) { + params.closed = true; + } - var vector = new Vector3(); - var vector2 = new Vector3(); + var title_row_name = document.createTextNode(params.name); + dom.addClass(title_row_name, 'controller-name'); - return function update() { + var title_row = addRow(_this, title_row_name); - var coneLength = this.light.distance ? this.light.distance : 1000; - var coneWidth = coneLength * Math.tan( this.light.angle ); + var on_click_title = function(e) { + e.preventDefault(); + _this.closed = !_this.closed; + return false; + }; - this.cone.scale.set( coneWidth, coneWidth, coneLength ); + dom.addClass(this.__ul, GUI.CLASS_CLOSED); - vector.setFromMatrixPosition( this.light.matrixWorld ); - vector2.setFromMatrixPosition( this.light.target.matrixWorld ); + dom.addClass(title_row, 'title'); + dom.bind(title_row, 'click', on_click_title); - this.cone.lookAt( vector2.sub( vector ) ); + if (!params.closed) { + this.closed = false; + } - this.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + } - }; + if (params.autoPlace) { - }(); + if (common.isUndefined(params.parent)) { - /** - * @author Sean Griffin / http://twitter.com/sgrif - * @author Michael Guerrero / http://realitymeltdown.com - * @author mrdoob / http://mrdoob.com/ - * @author ikerr / http://verold.com - */ + if (auto_place_virgin) { + auto_place_container = document.createElement('div'); + dom.addClass(auto_place_container, CSS_NAMESPACE); + dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER); + document.body.appendChild(auto_place_container); + auto_place_virgin = false; + } - function SkeletonHelper( object ) { + // Put it in the dom for you. + auto_place_container.appendChild(this.domElement); - this.bones = this.getBoneList( object ); + // Apply the auto styles + dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE); - var geometry = new Geometry(); + } - for ( var i = 0; i < this.bones.length; i ++ ) { - var bone = this.bones[ i ]; + // Make it not elastic. + if (!this.parent) setWidth(_this, params.width); - if ( (bone.parent && bone.parent.isBone) ) { + } - geometry.vertices.push( new Vector3() ); - geometry.vertices.push( new Vector3() ); - geometry.colors.push( new Color( 0, 0, 1 ) ); - geometry.colors.push( new Color( 0, 1, 0 ) ); + dom.bind(window, 'resize', function() { _this.onResize() }); + dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); }); + dom.bind(this.__ul, 'transitionend', function() { _this.onResize() }); + dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() }); + this.onResize(); - } - } + if (params.resizable) { + addResizeHandle(this); + } - geometry.dynamic = true; + function saveToLocalStorage() { + localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject())); + } - var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); + var root = _this.getRoot(); + function resetWidth() { + var root = _this.getRoot(); + root.width += 1; + common.defer(function() { + root.width -= 1; + }); + } - LineSegments.call( this, geometry, material ); + if (!params.parent) { + resetWidth(); + } - this.root = object; + }; - this.matrix = object.matrixWorld; - this.matrixAutoUpdate = false; + GUI.toggleHide = function() { - this.update(); + hide = !hide; + common.each(hideable_guis, function(gui) { + gui.domElement.style.zIndex = hide ? -999 : 999; + gui.domElement.style.opacity = hide ? 0 : 1; + }); + }; - } + GUI.CLASS_AUTO_PLACE = 'a'; + GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac'; + GUI.CLASS_MAIN = 'main'; + GUI.CLASS_CONTROLLER_ROW = 'cr'; + GUI.CLASS_TOO_TALL = 'taller-than-window'; + GUI.CLASS_CLOSED = 'closed'; + GUI.CLASS_CLOSE_BUTTON = 'close-button'; + GUI.CLASS_DRAG = 'drag'; + GUI.DEFAULT_WIDTH = 245; + GUI.TEXT_CLOSED = 'Close Controls'; + GUI.TEXT_OPEN = 'Open Controls'; - SkeletonHelper.prototype = Object.create( LineSegments.prototype ); - SkeletonHelper.prototype.constructor = SkeletonHelper; + dom.bind(window, 'keydown', function(e) { - SkeletonHelper.prototype.getBoneList = function( object ) { + if (document.activeElement.type !== 'text' && + (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) { + GUI.toggleHide(); + } - var boneList = []; + }, false); - if ( (object && object.isBone) ) { + common.extend( - boneList.push( object ); + GUI.prototype, - } + /** @lends dat.gui.GUI */ + { - for ( var i = 0; i < object.children.length; i ++ ) { + /** + * @param object + * @param property + * @returns {dat.controllers.Controller} The new controller that was added. + * @instance + */ + add: function(object, property) { - boneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) ); + return add( + this, + object, + property, + { + factoryArgs: Array.prototype.slice.call(arguments, 2) + } + ); - } + }, - return boneList; + /** + * @param object + * @param property + * @returns {dat.controllers.ColorController} The new controller that was added. + * @instance + */ + addColor: function(object, property) { - }; + return add( + this, + object, + property, + { + color: true + } + ); - SkeletonHelper.prototype.update = function () { + }, - var geometry = this.geometry; + /** + * @param controller + * @instance + */ + remove: function(controller) { - var matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld ); + // TODO listening? + this.__ul.removeChild(controller.__li); + this.__controllers.slice(this.__controllers.indexOf(controller), 1); + var _this = this; + common.defer(function() { + _this.onResize(); + }); - var boneMatrix = new Matrix4(); + }, - var j = 0; + destroy: function() { - for ( var i = 0; i < this.bones.length; i ++ ) { + if (this.autoPlace) { + auto_place_container.removeChild(this.domElement); + } - var bone = this.bones[ i ]; + }, - if ( (bone.parent && bone.parent.isBone) ) { + /** + * @param name + * @returns {dat.gui.GUI} The new folder. + * @throws {Error} if this GUI already has a folder by the specified + * name + * @instance + */ + addFolder: function(name) { - boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld ); - geometry.vertices[ j ].setFromMatrixPosition( boneMatrix ); + // We have to prevent collisions on names in order to have a key + // by which to remember saved values + if (this.__folders[name] !== undefined) { + throw new Error('You already have a folder in this GUI by the' + + ' name "' + name + '"'); + } - boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld ); - geometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix ); + var new_gui_params = { name: name, parent: this }; - j += 2; + // We need to pass down the autoPlace trait so that we can + // attach event listeners to open/close folder actions to + // ensure that a scrollbar appears if the window is too short. + new_gui_params.autoPlace = this.autoPlace; - } + // Do we have saved appearance data for this folder? - } + if (this.load && // Anything loaded? + this.load.folders && // Was my parent a dead-end? + this.load.folders[name]) { // Did daddy remember me? - geometry.verticesNeedUpdate = true; + // Start me closed if I was closed + new_gui_params.closed = this.load.folders[name].closed; - geometry.computeBoundingSphere(); + // Pass down the loaded data + new_gui_params.load = this.load.folders[name]; - }; + } - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + var gui = new GUI(new_gui_params); + this.__folders[name] = gui; - function PointLightHelper( light, sphereSize ) { + var li = addRow(this, gui.domElement); + dom.addClass(li, 'folder'); + return gui; - this.light = light; - this.light.updateMatrixWorld(); + }, - var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); - var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); - material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + open: function() { + this.closed = false; + }, - Mesh.call( this, geometry, material ); + close: function() { + this.closed = true; + }, - this.matrix = this.light.matrixWorld; - this.matrixAutoUpdate = false; + onResize: function() { - /* - var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); - var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + var root = this.getRoot(); - this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); - this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + if (root.scrollable) { - var d = light.distance; + var top = dom.getOffset(root.__ul).top; + var h = 0; - if ( d === 0.0 ) { + common.each(root.__ul.childNodes, function(node) { + if (! (root.autoPlace && node === root.__save_row)) + h += dom.getHeight(node); + }); - this.lightDistance.visible = false; + if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) { + dom.addClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px'; + } else { + dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = 'auto'; + } - } else { + } - this.lightDistance.scale.set( d, d, d ); + if (root.__resize_handle) { + common.defer(function() { + root.__resize_handle.style.height = root.__ul.offsetHeight + 'px'; + }); + } - } + if (root.__closeButton) { + root.__closeButton.style.width = root.width + 'px'; + } - this.add( this.lightDistance ); - */ + }, - } + /** + * Mark objects for saving. The order of these objects cannot change as + * the GUI grows. When remembering new objects, append them to the end + * of the list. + * + * @param {Object...} objects + * @throws {Error} if not called on a top level GUI. + * @instance + */ + remember: function() { - PointLightHelper.prototype = Object.create( Mesh.prototype ); - PointLightHelper.prototype.constructor = PointLightHelper; + if (common.isUndefined(SAVE_DIALOGUE)) { + SAVE_DIALOGUE = new CenteredDiv(); + SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents; + } - PointLightHelper.prototype.dispose = function () { + if (this.parent) { + throw new Error("You can only call remember on a top level GUI."); + } - this.geometry.dispose(); - this.material.dispose(); + var _this = this; - }; + common.each(Array.prototype.slice.call(arguments), function(object) { + if (_this.__rememberedObjects.length == 0) { + addSaveMenu(_this); + } + if (_this.__rememberedObjects.indexOf(object) == -1) { + _this.__rememberedObjects.push(object); + } + }); - PointLightHelper.prototype.update = function () { + if (this.autoPlace) { + // Set save row width + setWidth(this, this.width); + } - this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + }, - /* - var d = this.light.distance; + /** + * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI. + * @instance + */ + getRoot: function() { + var gui = this; + while (gui.parent) { + gui = gui.parent; + } + return gui; + }, - if ( d === 0.0 ) { + /** + * @returns {Object} a JSON object representing the current state of + * this GUI as well as its remembered properties. + * @instance + */ + getSaveObject: function() { - this.lightDistance.visible = false; + var toReturn = this.load; - } else { + toReturn.closed = this.closed; - this.lightDistance.visible = true; - this.lightDistance.scale.set( d, d, d ); + // Am I remembering any values? + if (this.__rememberedObjects.length > 0) { - } - */ + toReturn.preset = this.preset; - }; + if (!toReturn.remembered) { + toReturn.remembered = {}; + } - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + toReturn.remembered[this.preset] = getCurrentPreset(this); - function HemisphereLightHelper( light, sphereSize ) { + } - Object3D.call( this ); + toReturn.folders = {}; + common.each(this.__folders, function(element, key) { + toReturn.folders[key] = element.getSaveObject(); + }); - this.light = light; - this.light.updateMatrixWorld(); + return toReturn; - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + }, - this.colors = [ new Color(), new Color() ]; + save: function() { - var geometry = new SphereGeometry( sphereSize, 4, 2 ); - geometry.rotateX( - Math.PI / 2 ); + if (!this.load.remembered) { + this.load.remembered = {}; + } - for ( var i = 0, il = 8; i < il; i ++ ) { + this.load.remembered[this.preset] = getCurrentPreset(this); + markPresetModified(this, false); - geometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ]; + }, - } + saveAs: function(presetName) { - var material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } ); + if (!this.load.remembered) { - this.lightSphere = new Mesh( geometry, material ); - this.add( this.lightSphere ); + // Retain default values upon first save + this.load.remembered = {}; + this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true); - this.update(); + } - } + this.load.remembered[presetName] = getCurrentPreset(this); + this.preset = presetName; + addPresetOption(this, presetName, true); - HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); - HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; + }, - HemisphereLightHelper.prototype.dispose = function () { + revert: function(gui) { - this.lightSphere.geometry.dispose(); - this.lightSphere.material.dispose(); + common.each(this.__controllers, function(controller) { + // Make revert work on Default. + if (!this.getRoot().load.remembered) { + controller.setValue(controller.initialValue); + } else { + recallSavedValue(gui || this.getRoot(), controller); + } + }, this); - }; + common.each(this.__folders, function(folder) { + folder.revert(folder); + }); - HemisphereLightHelper.prototype.update = function () { + if (!gui) { + markPresetModified(this.getRoot(), false); + } - var vector = new Vector3(); - return function update() { + }, - this.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity ); - this.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity ); + listen: function(controller) { - this.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() ); - this.lightSphere.geometry.colorsNeedUpdate = true; + var init = this.__listening.length == 0; + this.__listening.push(controller); + if (init) updateDisplays(this.__listening); - }; + } - }(); + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + ); - function GridHelper( size, divisions, color1, color2 ) { + function add(gui, object, property, params) { - divisions = divisions || 1; - color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); - color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); + if (object[property] === undefined) { + throw new Error("Object " + object + " has no property \"" + property + "\""); + } - var center = divisions / 2; - var step = ( size * 2 ) / divisions; - var vertices = [], colors = []; + var controller; - for ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) { + if (params.color) { - vertices.push( - size, 0, k, size, 0, k ); - vertices.push( k, 0, - size, k, 0, size ); + controller = new ColorController(object, property); - var color = i === center ? color1 : color2; + } else { - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; + var factoryArgs = [object,property].concat(params.factoryArgs); + controller = controllerFactory.apply(gui, factoryArgs); - } + } - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) ); + if (params.before instanceof Controller) { + params.before = params.before.__li; + } - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + recallSavedValue(gui, controller); - LineSegments.call( this, geometry, material ); + dom.addClass(controller.domElement, 'c'); - } + var name = document.createElement('span'); + dom.addClass(name, 'property-name'); + name.innerHTML = controller.property; - GridHelper.prototype = Object.create( LineSegments.prototype ); - GridHelper.prototype.constructor = GridHelper; + var container = document.createElement('div'); + container.appendChild(name); + container.appendChild(controller.domElement); - GridHelper.prototype.setColors = function () { + var li = addRow(gui, container, params.before); - console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); + dom.addClass(li, GUI.CLASS_CONTROLLER_ROW); + dom.addClass(li, typeof controller.getValue()); - }; + augmentController(gui, li, controller); - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + gui.__controllers.push(controller); - function FaceNormalsHelper( object, size, hex, linewidth ) { + return controller; - // FaceNormalsHelper only supports THREE.Geometry + } - this.object = object; + /** + * Add a row to the end of the GUI or before another row. + * + * @param gui + * @param [dom] If specified, inserts the dom content in the new row + * @param [liBefore] If specified, places the new row before another row + */ + function addRow(gui, dom, liBefore) { + var li = document.createElement('li'); + if (dom) li.appendChild(dom); + if (liBefore) { + gui.__ul.insertBefore(li, params.before); + } else { + gui.__ul.appendChild(li); + } + gui.onResize(); + return li; + } - this.size = ( size !== undefined ) ? size : 1; + function augmentController(gui, li, controller) { - var color = ( hex !== undefined ) ? hex : 0xffff00; + controller.__li = li; + controller.__gui = gui; - var width = ( linewidth !== undefined ) ? linewidth : 1; + common.extend(controller, { - // + options: function(options) { - var nNormals = 0; + if (arguments.length > 1) { + controller.remove(); - var objGeometry = this.object.geometry; + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [common.toArray(arguments)] + } + ); - if ( (objGeometry && objGeometry.isGeometry) ) { + } - nNormals = objGeometry.faces.length; + if (common.isArray(options) || common.isObject(options)) { + controller.remove(); - } else { + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [options] + } + ); - console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); + } - } + }, - // + name: function(v) { + controller.__li.firstElementChild.firstElementChild.innerHTML = v; + return controller; + }, - var geometry = new BufferGeometry(); + listen: function() { + controller.__gui.listen(controller); + return controller; + }, - var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + remove: function() { + controller.__gui.remove(controller); + return controller; + } - geometry.addAttribute( 'position', positions ); + }); - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + // All sliders should be accompanied by a box. + if (controller instanceof NumberControllerSlider) { - // + var box = new NumberControllerBox(controller.object, controller.property, + { min: controller.__min, max: controller.__max, step: controller.__step }); - this.matrixAutoUpdate = false; - this.update(); + common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) { + var pc = controller[method]; + var pb = box[method]; + controller[method] = box[method] = function() { + var args = Array.prototype.slice.call(arguments); + pc.apply(controller, args); + return pb.apply(box, args); + } + }); - } + dom.addClass(li, 'has-slider'); + controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild); - FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); - FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; + } + else if (controller instanceof NumberControllerBox) { - FaceNormalsHelper.prototype.update = ( function () { + var r = function(returned) { - var v1 = new Vector3(); - var v2 = new Vector3(); - var normalMatrix = new Matrix3(); + // Have we defined both boundaries? + if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) { - return function update() { + // Well, then lets just replace this with a slider. + controller.remove(); + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [controller.__min, controller.__max, controller.__step] + }); - this.object.updateMatrixWorld( true ); + } - normalMatrix.getNormalMatrix( this.object.matrixWorld ); + return returned; - var matrixWorld = this.object.matrixWorld; + }; - var position = this.geometry.attributes.position; + controller.min = common.compose(r, controller.min); + controller.max = common.compose(r, controller.max); - // + } + else if (controller instanceof BooleanController) { - var objGeometry = this.object.geometry; + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__checkbox, 'click'); + }); - var vertices = objGeometry.vertices; + dom.bind(controller.__checkbox, 'click', function(e) { + e.stopPropagation(); // Prevents double-toggle + }) - var faces = objGeometry.faces; + } + else if (controller instanceof FunctionController) { - var idx = 0; + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__button, 'click'); + }); - for ( var i = 0, l = faces.length; i < l; i ++ ) { + dom.bind(li, 'mouseover', function() { + dom.addClass(controller.__button, 'hover'); + }); - var face = faces[ i ]; + dom.bind(li, 'mouseout', function() { + dom.removeClass(controller.__button, 'hover'); + }); - var normal = face.normal; + } + else if (controller instanceof ColorController) { - v1.copy( vertices[ face.a ] ) - .add( vertices[ face.b ] ) - .add( vertices[ face.c ] ) - .divideScalar( 3 ) - .applyMatrix4( matrixWorld ); + dom.addClass(li, 'color'); + controller.updateDisplay = common.compose(function(r) { + li.style.borderLeftColor = controller.__color.toString(); + return r; + }, controller.updateDisplay); - v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + controller.updateDisplay(); - position.setXYZ( idx, v1.x, v1.y, v1.z ); + } - idx = idx + 1; + controller.setValue = common.compose(function(r) { + if (gui.getRoot().__preset_select && controller.isModified()) { + markPresetModified(gui.getRoot(), true); + } + return r; + }, controller.setValue); - position.setXYZ( idx, v2.x, v2.y, v2.z ); + } - idx = idx + 1; + function recallSavedValue(gui, controller) { - } + // Find the topmost GUI, that's where remembered objects live. + var root = gui.getRoot(); - position.needsUpdate = true; + // Does the object we're controlling match anything we've been told to + // remember? + var matched_index = root.__rememberedObjects.indexOf(controller.object); - return this; + // Why yes, it does! + if (matched_index != -1) { - }; + // Let me fetch a map of controllers for thcommon.isObject. + var controller_map = + root.__rememberedObjectIndecesToControllers[matched_index]; - }() ); + // Ohp, I believe this is the first controller we've created for this + // object. Lets make the map fresh. + if (controller_map === undefined) { + controller_map = {}; + root.__rememberedObjectIndecesToControllers[matched_index] = + controller_map; + } - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + // Keep track of this controller + controller_map[controller.property] = controller; - function DirectionalLightHelper( light, size ) { + // Okay, now have we saved any values for this controller? + if (root.load && root.load.remembered) { - Object3D.call( this ); + var preset_map = root.load.remembered; - this.light = light; - this.light.updateMatrixWorld(); + // Which preset are we trying to load? + var preset; - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + if (preset_map[gui.preset]) { - if ( size === undefined ) size = 1; + preset = preset_map[gui.preset]; - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( [ - - size, size, 0, - size, size, 0, - size, - size, 0, - - size, - size, 0, - - size, size, 0 - ], 3 ) ); + } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) { - var material = new LineBasicMaterial( { fog: false } ); + // Uhh, you can have the default instead? + preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME]; - this.add( new Line( geometry, material ) ); + } else { - geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + // Nada. - this.add( new Line( geometry, material )); + return; - this.update(); + } - } - DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); - DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; + // Did the loaded object remember thcommon.isObject? + if (preset[matched_index] && - DirectionalLightHelper.prototype.dispose = function () { + // Did we remember this particular property? + preset[matched_index][controller.property] !== undefined) { - var lightPlane = this.children[ 0 ]; - var targetLine = this.children[ 1 ]; + // We did remember something for this guy ... + var value = preset[matched_index][controller.property]; - lightPlane.geometry.dispose(); - lightPlane.material.dispose(); - targetLine.geometry.dispose(); - targetLine.material.dispose(); + // And that's what it is. + controller.initialValue = value; + controller.setValue(value); - }; + } - DirectionalLightHelper.prototype.update = function () { + } - var v1 = new Vector3(); - var v2 = new Vector3(); - var v3 = new Vector3(); + } - return function update() { + } - v1.setFromMatrixPosition( this.light.matrixWorld ); - v2.setFromMatrixPosition( this.light.target.matrixWorld ); - v3.subVectors( v2, v1 ); + function getLocalStorageHash(gui, key) { + // TODO how does this deal with multiple GUI's? + return document.location.href + '.' + key; - var lightPlane = this.children[ 0 ]; - var targetLine = this.children[ 1 ]; + } - lightPlane.lookAt( v3 ); - lightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + function addSaveMenu(gui) { - targetLine.lookAt( v3 ); - targetLine.scale.z = v3.length(); + var div = gui.__save_row = document.createElement('li'); - }; + dom.addClass(gui.domElement, 'has-save'); - }(); + gui.__ul.insertBefore(div, gui.__ul.firstChild); - /** - * @author alteredq / http://alteredqualia.com/ - * - * - shows frustum, line of sight and up of the camera - * - suitable for fast updates - * - based on frustum visualization in lightgl.js shadowmap example - * http://evanw.github.com/lightgl.js/tests/shadowmap.html - */ + dom.addClass(div, 'save-row'); - function CameraHelper( camera ) { + var gears = document.createElement('span'); + gears.innerHTML = ' '; + dom.addClass(gears, 'button gears'); - var geometry = new Geometry(); - var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); + // TODO replace with FunctionController + var button = document.createElement('span'); + button.innerHTML = 'Save'; + dom.addClass(button, 'button'); + dom.addClass(button, 'save'); - var pointMap = {}; + var button2 = document.createElement('span'); + button2.innerHTML = 'New'; + dom.addClass(button2, 'button'); + dom.addClass(button2, 'save-as'); - // colors + var button3 = document.createElement('span'); + button3.innerHTML = 'Revert'; + dom.addClass(button3, 'button'); + dom.addClass(button3, 'revert'); - var hexFrustum = 0xffaa00; - var hexCone = 0xff0000; - var hexUp = 0x00aaff; - var hexTarget = 0xffffff; - var hexCross = 0x333333; + var select = gui.__preset_select = document.createElement('select'); - // near + if (gui.load && gui.load.remembered) { - addLine( "n1", "n2", hexFrustum ); - addLine( "n2", "n4", hexFrustum ); - addLine( "n4", "n3", hexFrustum ); - addLine( "n3", "n1", hexFrustum ); + common.each(gui.load.remembered, function(value, key) { + addPresetOption(gui, key, key == gui.preset); + }); - // far + } else { + addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false); + } - addLine( "f1", "f2", hexFrustum ); - addLine( "f2", "f4", hexFrustum ); - addLine( "f4", "f3", hexFrustum ); - addLine( "f3", "f1", hexFrustum ); + dom.bind(select, 'change', function() { - // sides - addLine( "n1", "f1", hexFrustum ); - addLine( "n2", "f2", hexFrustum ); - addLine( "n3", "f3", hexFrustum ); - addLine( "n4", "f4", hexFrustum ); + for (var index = 0; index < gui.__preset_select.length; index++) { + gui.__preset_select[index].innerHTML = gui.__preset_select[index].value; + } - // cone + gui.preset = this.value; - addLine( "p", "n1", hexCone ); - addLine( "p", "n2", hexCone ); - addLine( "p", "n3", hexCone ); - addLine( "p", "n4", hexCone ); + }); - // up + div.appendChild(select); + div.appendChild(gears); + div.appendChild(button); + div.appendChild(button2); + div.appendChild(button3); - addLine( "u1", "u2", hexUp ); - addLine( "u2", "u3", hexUp ); - addLine( "u3", "u1", hexUp ); + if (SUPPORTS_LOCAL_STORAGE) { - // target + var saveLocally = document.getElementById('dg-save-locally'); + var explain = document.getElementById('dg-local-explain'); - addLine( "c", "t", hexTarget ); - addLine( "p", "c", hexCross ); + saveLocally.style.display = 'block'; - // cross + var localStorageCheckBox = document.getElementById('dg-local-storage'); - addLine( "cn1", "cn2", hexCross ); - addLine( "cn3", "cn4", hexCross ); + if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') { + localStorageCheckBox.setAttribute('checked', 'checked'); + } - addLine( "cf1", "cf2", hexCross ); - addLine( "cf3", "cf4", hexCross ); + function showHideExplain() { + explain.style.display = gui.useLocalStorage ? 'block' : 'none'; + } - function addLine( a, b, hex ) { + showHideExplain(); - addPoint( a, hex ); - addPoint( b, hex ); + // TODO: Use a boolean controller, fool! + dom.bind(localStorageCheckBox, 'change', function() { + gui.useLocalStorage = !gui.useLocalStorage; + showHideExplain(); + }); - } + } - function addPoint( id, hex ) { + var newConstructorTextArea = document.getElementById('dg-new-constructor'); - geometry.vertices.push( new Vector3() ); - geometry.colors.push( new Color( hex ) ); + dom.bind(newConstructorTextArea, 'keydown', function(e) { + if (e.metaKey && (e.which === 67 || e.keyCode == 67)) { + SAVE_DIALOGUE.hide(); + } + }); - if ( pointMap[ id ] === undefined ) { + dom.bind(gears, 'click', function() { + newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2); + SAVE_DIALOGUE.show(); + newConstructorTextArea.focus(); + newConstructorTextArea.select(); + }); - pointMap[ id ] = []; + dom.bind(button, 'click', function() { + gui.save(); + }); - } + dom.bind(button2, 'click', function() { + var presetName = prompt('Enter a new preset name.'); + if (presetName) gui.saveAs(presetName); + }); - pointMap[ id ].push( geometry.vertices.length - 1 ); + dom.bind(button3, 'click', function() { + gui.revert(); + }); - } + // div.appendChild(button2); - LineSegments.call( this, geometry, material ); + } - this.camera = camera; - if( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + function addResizeHandle(gui) { - this.matrix = camera.matrixWorld; - this.matrixAutoUpdate = false; + gui.__resize_handle = document.createElement('div'); - this.pointMap = pointMap; + common.extend(gui.__resize_handle.style, { - this.update(); + width: '6px', + marginLeft: '-3px', + height: '200px', + cursor: 'ew-resize', + position: 'absolute' + // border: '1px solid blue' - } + }); - CameraHelper.prototype = Object.create( LineSegments.prototype ); - CameraHelper.prototype.constructor = CameraHelper; + var pmouseX; - CameraHelper.prototype.update = function () { + dom.bind(gui.__resize_handle, 'mousedown', dragStart); + dom.bind(gui.__closeButton, 'mousedown', dragStart); - var geometry, pointMap; + gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild); - var vector = new Vector3(); - var camera = new Camera(); + function dragStart(e) { - function setPoint( point, x, y, z ) { + e.preventDefault(); - vector.set( x, y, z ).unproject( camera ); + pmouseX = e.clientX; - var points = pointMap[ point ]; + dom.addClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.bind(window, 'mousemove', drag); + dom.bind(window, 'mouseup', dragStop); - if ( points !== undefined ) { + return false; - for ( var i = 0, il = points.length; i < il; i ++ ) { + } - geometry.vertices[ points[ i ] ].copy( vector ); + function drag(e) { - } + e.preventDefault(); - } + gui.width += pmouseX - e.clientX; + gui.onResize(); + pmouseX = e.clientX; - } + return false; - return function update() { + } - geometry = this.geometry; - pointMap = this.pointMap; + function dragStop() { - var w = 1, h = 1; + dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.unbind(window, 'mousemove', drag); + dom.unbind(window, 'mouseup', dragStop); - // we need just camera projection matrix - // world matrix must be identity + } - camera.projectionMatrix.copy( this.camera.projectionMatrix ); + } - // center / target + function setWidth(gui, w) { + gui.domElement.style.width = w + 'px'; + // Auto placed save-rows are position fixed, so we have to + // set the width manually if we want it to bleed to the edge + if (gui.__save_row && gui.autoPlace) { + gui.__save_row.style.width = w + 'px'; + }if (gui.__closeButton) { + gui.__closeButton.style.width = w + 'px'; + } + } - setPoint( "c", 0, 0, - 1 ); - setPoint( "t", 0, 0, 1 ); + function getCurrentPreset(gui, useInitialValues) { - // near + var toReturn = {}; - setPoint( "n1", - w, - h, - 1 ); - setPoint( "n2", w, - h, - 1 ); - setPoint( "n3", - w, h, - 1 ); - setPoint( "n4", w, h, - 1 ); + // For each object I'm remembering + common.each(gui.__rememberedObjects, function(val, index) { - // far + var saved_values = {}; - setPoint( "f1", - w, - h, 1 ); - setPoint( "f2", w, - h, 1 ); - setPoint( "f3", - w, h, 1 ); - setPoint( "f4", w, h, 1 ); + // The controllers I've made for thcommon.isObject by property + var controller_map = + gui.__rememberedObjectIndecesToControllers[index]; - // up + // Remember each value for each property + common.each(controller_map, function(controller, property) { + saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue(); + }); - setPoint( "u1", w * 0.7, h * 1.1, - 1 ); - setPoint( "u2", - w * 0.7, h * 1.1, - 1 ); - setPoint( "u3", 0, h * 2, - 1 ); + // Save the values for thcommon.isObject + toReturn[index] = saved_values; - // cross + }); - setPoint( "cf1", - w, 0, 1 ); - setPoint( "cf2", w, 0, 1 ); - setPoint( "cf3", 0, - h, 1 ); - setPoint( "cf4", 0, h, 1 ); + return toReturn; - setPoint( "cn1", - w, 0, - 1 ); - setPoint( "cn2", w, 0, - 1 ); - setPoint( "cn3", 0, - h, - 1 ); - setPoint( "cn4", 0, h, - 1 ); + } - geometry.verticesNeedUpdate = true; + function addPresetOption(gui, name, setSelected) { + var opt = document.createElement('option'); + opt.innerHTML = name; + opt.value = name; + gui.__preset_select.appendChild(opt); + if (setSelected) { + gui.__preset_select.selectedIndex = gui.__preset_select.length - 1; + } + } - }; + function setPresetSelectIndex(gui) { + for (var index = 0; index < gui.__preset_select.length; index++) { + if (gui.__preset_select[index].value == gui.preset) { + gui.__preset_select.selectedIndex = index; + } + } + } - }(); + function markPresetModified(gui, modified) { + var opt = gui.__preset_select[gui.__preset_select.selectedIndex]; + // console.log('mark', modified, opt); + if (modified) { + opt.innerHTML = opt.value + "*"; + } else { + opt.innerHTML = opt.value; + } + } - /** - * @author WestLangley / http://github.com/WestLangley - */ + function updateDisplays(controllerArray) { - // a helper to show the world-axis-aligned bounding box for an object - function BoundingBoxHelper( object, hex ) { + if (controllerArray.length != 0) { - var color = ( hex !== undefined ) ? hex : 0x888888; + requestAnimationFrame(function() { + updateDisplays(controllerArray); + }); - this.object = object; + } - this.box = new Box3(); + common.each(controllerArray, function(c) { + c.updateDisplay(); + }); - Mesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) ); + } - } + return GUI; - BoundingBoxHelper.prototype = Object.create( Mesh.prototype ); - BoundingBoxHelper.prototype.constructor = BoundingBoxHelper; + })(dat.utils.css, + "
\n\n Here's the new load parameter for your GUI's constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI's constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
", + ".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save 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.slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", + dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) { - BoundingBoxHelper.prototype.update = function () { + return function(object, property) { - this.box.setFromObject( this.object ); + var initialValue = object[property]; - this.box.getSize( this.scale ); + // Providing options? + if (common.isArray(arguments[2]) || common.isObject(arguments[2])) { + return new OptionController(object, property, arguments[2]); + } - this.box.getCenter( this.position ); + // Providing a map? - }; + if (common.isNumber(initialValue)) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) { - function BoxHelper( object, color ) { + // Has min and max. + return new NumberControllerSlider(object, property, arguments[2], arguments[3]); - if ( color === undefined ) color = 0xffff00; + } else { - var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); - var positions = new Float32Array( 8 * 3 ); + return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] }); - var geometry = new BufferGeometry(); - geometry.setIndex( new BufferAttribute( indices, 1 ) ); - geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + } - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + } - if ( object !== undefined ) { + if (common.isString(initialValue)) { + return new StringController(object, property); + } - this.update( object ); + if (common.isFunction(initialValue)) { + return new FunctionController(object, property, ''); + } - } + if (common.isBoolean(initialValue)) { + return new BooleanController(object, property); + } - } + } - BoxHelper.prototype = Object.create( LineSegments.prototype ); - BoxHelper.prototype.constructor = BoxHelper; + })(dat.controllers.OptionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.StringController = (function (Controller, dom, common) { - BoxHelper.prototype.update = ( function () { + /** + * @class Provides a text input to alter the string property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var StringController = function(object, property) { - var box = new Box3(); + StringController.superclass.call(this, object, property); - return function update( object ) { + var _this = this; - if ( (object && object.isBox3) ) { + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); - box.copy( object ); + dom.bind(this.__input, 'keyup', onChange); + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { + this.blur(); + } + }); + - } else { + function onChange() { + _this.setValue(_this.__input.value); + } - box.setFromObject( object ); + function onBlur() { + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - } + this.updateDisplay(); - if ( box.isEmpty() ) return; + this.domElement.appendChild(this.__input); - var min = box.min; - var max = box.max; + }; - /* - 5____4 - 1/___0/| - | 6__|_7 - 2/___3/ + StringController.superclass = Controller; - 0: max.x, max.y, max.z - 1: min.x, max.y, max.z - 2: min.x, min.y, max.z - 3: max.x, min.y, max.z - 4: max.x, max.y, min.z - 5: min.x, max.y, min.z - 6: min.x, min.y, min.z - 7: max.x, min.y, min.z - */ + common.extend( - var position = this.geometry.attributes.position; - var array = position.array; + StringController.prototype, + Controller.prototype, - array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; - array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; - array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; - array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; - array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; - array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; - array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; - array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + { - position.needsUpdate = true; + updateDisplay: function() { + // Stops the caret from moving on account of: + // keyup -> setValue -> updateDisplay + if (!dom.isActive(this.__input)) { + this.__input.value = this.getValue(); + } + return StringController.superclass.prototype.updateDisplay.call(this); + } - this.geometry.computeBoundingSphere(); + } - }; + ); - } )(); + return StringController; - /** - * @author WestLangley / http://github.com/WestLangley - * @author zz85 / http://github.com/zz85 - * @author bhouston / http://clara.io - * - * Creates an arrow for visualizing directions - * - * Parameters: - * dir - Vector3 - * origin - Vector3 - * length - Number - * color - color in hex value - * headLength - Number - * headWidth - Number - */ + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common), + dat.controllers.FunctionController, + dat.controllers.BooleanController, + dat.utils.common), + dat.controllers.Controller, + dat.controllers.BooleanController, + dat.controllers.FunctionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.OptionController, + dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) { - var lineGeometry = new BufferGeometry(); - lineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + var ColorController = function(object, property) { - var coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); - coneGeometry.translate( 0, - 0.5, 0 ); + ColorController.superclass.call(this, object, property); - function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { + this.__color = new Color(this.getValue()); + this.__temp = new Color(0); - // dir is assumed to be normalized + var _this = this; - Object3D.call( this ); + this.domElement = document.createElement('div'); - if ( color === undefined ) color = 0xffff00; - if ( length === undefined ) length = 1; - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; + dom.makeSelectable(this.domElement, false); - this.position.copy( origin ); + this.__selector = document.createElement('div'); + this.__selector.className = 'selector'; - this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) ); - this.line.matrixAutoUpdate = false; - this.add( this.line ); + this.__saturation_field = document.createElement('div'); + this.__saturation_field.className = 'saturation-field'; - this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) ); - this.cone.matrixAutoUpdate = false; - this.add( this.cone ); + this.__field_knob = document.createElement('div'); + this.__field_knob.className = 'field-knob'; + this.__field_knob_border = '2px solid '; - this.setDirection( dir ); - this.setLength( length, headLength, headWidth ); + this.__hue_knob = document.createElement('div'); + this.__hue_knob.className = 'hue-knob'; - } + this.__hue_field = document.createElement('div'); + this.__hue_field.className = 'hue-field'; - ArrowHelper.prototype = Object.create( Object3D.prototype ); - ArrowHelper.prototype.constructor = ArrowHelper; + this.__input = document.createElement('input'); + this.__input.type = 'text'; + this.__input_textShadow = '0 1px 1px '; - ArrowHelper.prototype.setDirection = ( function () { + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { // on enter + onBlur.call(this); + } + }); - var axis = new Vector3(); - var radians; + dom.bind(this.__input, 'blur', onBlur); - return function setDirection( dir ) { + dom.bind(this.__selector, 'mousedown', function(e) { - // dir is assumed to be normalized + dom + .addClass(this, 'drag') + .bind(window, 'mouseup', function(e) { + dom.removeClass(_this.__selector, 'drag'); + }); - if ( dir.y > 0.99999 ) { + }); - this.quaternion.set( 0, 0, 0, 1 ); + var value_field = document.createElement('div'); - } else if ( dir.y < - 0.99999 ) { + common.extend(this.__selector.style, { + width: '122px', + height: '102px', + padding: '3px', + backgroundColor: '#222', + boxShadow: '0px 1px 3px rgba(0,0,0,0.3)' + }); - this.quaternion.set( 1, 0, 0, 0 ); + common.extend(this.__field_knob.style, { + position: 'absolute', + width: '12px', + height: '12px', + border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'), + boxShadow: '0px 1px 3px rgba(0,0,0,0.5)', + borderRadius: '12px', + zIndex: 1 + }); + + common.extend(this.__hue_knob.style, { + position: 'absolute', + width: '15px', + height: '2px', + borderRight: '4px solid #fff', + zIndex: 1 + }); - } else { + common.extend(this.__saturation_field.style, { + width: '100px', + height: '100px', + border: '1px solid #555', + marginRight: '3px', + display: 'inline-block', + cursor: 'pointer' + }); - axis.set( dir.z, 0, - dir.x ).normalize(); + common.extend(value_field.style, { + width: '100%', + height: '100%', + background: 'none' + }); + + linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000'); - radians = Math.acos( dir.y ); + common.extend(this.__hue_field.style, { + width: '15px', + height: '100px', + display: 'inline-block', + border: '1px solid #555', + cursor: 'ns-resize' + }); - this.quaternion.setFromAxisAngle( axis, radians ); + hueGradient(this.__hue_field); - } + common.extend(this.__input.style, { + outline: 'none', + // width: '120px', + textAlign: 'center', + // padding: '4px', + // marginBottom: '6px', + color: '#fff', + border: 0, + fontWeight: 'bold', + textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)' + }); - }; + dom.bind(this.__saturation_field, 'mousedown', fieldDown); + dom.bind(this.__field_knob, 'mousedown', fieldDown); - }() ); + dom.bind(this.__hue_field, 'mousedown', function(e) { + setH(e); + dom.bind(window, 'mousemove', setH); + dom.bind(window, 'mouseup', unbindH); + }); - ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { + function fieldDown(e) { + setSV(e); + // document.body.style.cursor = 'none'; + dom.bind(window, 'mousemove', setSV); + dom.bind(window, 'mouseup', unbindSV); + } - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; + function unbindSV() { + dom.unbind(window, 'mousemove', setSV); + dom.unbind(window, 'mouseup', unbindSV); + // document.body.style.cursor = 'default'; + } - this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); - this.line.updateMatrix(); + function onBlur() { + var i = interpret(this.value); + if (i !== false) { + _this.__color.__state = i; + _this.setValue(_this.__color.toOriginal()); + } else { + this.value = _this.__color.toString(); + } + } - this.cone.scale.set( headWidth, headLength, headWidth ); - this.cone.position.y = length; - this.cone.updateMatrix(); + function unbindH() { + dom.unbind(window, 'mousemove', setH); + dom.unbind(window, 'mouseup', unbindH); + } - }; + this.__saturation_field.appendChild(value_field); + this.__selector.appendChild(this.__field_knob); + this.__selector.appendChild(this.__saturation_field); + this.__selector.appendChild(this.__hue_field); + this.__hue_field.appendChild(this.__hue_knob); - ArrowHelper.prototype.setColor = function ( color ) { + this.domElement.appendChild(this.__input); + this.domElement.appendChild(this.__selector); - this.line.material.color.copy( color ); - this.cone.material.color.copy( color ); + this.updateDisplay(); - }; + function setSV(e) { - /** - * @author sroucheray / http://sroucheray.org/ - * @author mrdoob / http://mrdoob.com/ - */ - - function AxisHelper( size ) { - - size = size || 1; + e.preventDefault(); - var vertices = new Float32Array( [ - 0, 0, 0, size, 0, 0, - 0, 0, 0, 0, size, 0, - 0, 0, 0, 0, 0, size - ] ); + var w = dom.getWidth(_this.__saturation_field); + var o = dom.getOffset(_this.__saturation_field); + var s = (e.clientX - o.left + document.body.scrollLeft) / w; + var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w; - var colors = new Float32Array( [ - 1, 0, 0, 1, 0.6, 0, - 0, 1, 0, 0.6, 1, 0, - 0, 0, 1, 0, 0.6, 1 - ] ); + if (v > 1) v = 1; + else if (v < 0) v = 0; - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); + if (s > 1) s = 1; + else if (s < 0) s = 0; - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + _this.__color.v = v; + _this.__color.s = s; - LineSegments.call( this, geometry, material ); + _this.setValue(_this.__color.toOriginal()); - } - AxisHelper.prototype = Object.create( LineSegments.prototype ); - AxisHelper.prototype.constructor = AxisHelper; + return false; - /** - * @author zz85 https://github.com/zz85 - * - * Centripetal CatmullRom Curve - which is useful for avoiding - * cusps and self-intersections in non-uniform catmull rom curves. - * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf - * - * curve.type accepts centripetal(default), chordal and catmullrom - * curve.tension is used for catmullrom which defaults to 0.5 - */ + } - var CatmullRomCurve3 = ( function() { + function setH(e) { - var - tmp = new Vector3(), - px = new CubicPoly(), - py = new CubicPoly(), - pz = new CubicPoly(); + e.preventDefault(); - /* - Based on an optimized c++ solution in - - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ - - http://ideone.com/NoEbVM + var s = dom.getHeight(_this.__hue_field); + var o = dom.getOffset(_this.__hue_field); + var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s; - This CubicPoly class could be used for reusing some variables and calculations, - but for three.js curve use, it could be possible inlined and flatten into a single function call - which can be placed in CurveUtils. - */ + if (h > 1) h = 1; + else if (h < 0) h = 0; - function CubicPoly() {} + _this.__color.h = h * 360; - /* - * Compute coefficients for a cubic polynomial - * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 - * such that - * p(0) = x0, p(1) = x1 - * and - * p'(0) = t0, p'(1) = t1. - */ - CubicPoly.prototype.init = function( x0, x1, t0, t1 ) { + _this.setValue(_this.__color.toOriginal()); - this.c0 = x0; - this.c1 = t0; - this.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; - this.c3 = 2 * x0 - 2 * x1 + t0 + t1; + return false; - }; + } - CubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) { + }; - // compute tangents when parameterized in [t1,t2] - var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; - var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + ColorController.superclass = Controller; - // rescale tangents for parametrization in [0,1] - t1 *= dt1; - t2 *= dt1; + common.extend( - // initCubicPoly - this.init( x1, x2, t1, t2 ); + ColorController.prototype, + Controller.prototype, - }; + { - // standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4 - CubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) { + updateDisplay: function() { - this.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + var i = interpret(this.getValue()); - }; + if (i !== false) { - CubicPoly.prototype.calc = function( t ) { + var mismatch = false; - var t2 = t * t; - var t3 = t2 * t; - return this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3; + // Check for mismatch on the interpreted value. - }; + common.each(Color.COMPONENTS, function(component) { + if (!common.isUndefined(i[component]) && + !common.isUndefined(this.__color.__state[component]) && + i[component] !== this.__color.__state[component]) { + mismatch = true; + return {}; // break + } + }, this); - // Subclass Three.js curve - return Curve.create( + // If nothing diverges, we keep our previous values + // for statefulness, otherwise we recalculate fresh + if (mismatch) { + common.extend(this.__color.__state, i); + } - function ( p /* array of Vector3 */ ) { + } - this.points = p || []; - this.closed = false; + common.extend(this.__temp.__state, this.__color.__state); - }, + this.__temp.a = 1; - function ( t ) { + var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0; + var _flip = 255 - flip; - var points = this.points, - point, intPoint, weight, l; + common.extend(this.__field_knob.style, { + marginLeft: 100 * this.__color.s - 7 + 'px', + marginTop: 100 * (1 - this.__color.v) - 7 + 'px', + backgroundColor: this.__temp.toString(), + border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')' + }); - l = points.length; + this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px' - if ( l < 2 ) console.log( 'duh, you need at least 2 points' ); + this.__temp.s = 1; + this.__temp.v = 1; - point = ( l - ( this.closed ? 0 : 1 ) ) * t; - intPoint = Math.floor( point ); - weight = point - intPoint; + linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString()); - if ( this.closed ) { + common.extend(this.__input.style, { + backgroundColor: this.__input.value = this.__color.toString(), + color: 'rgb(' + flip + ',' + flip + ',' + flip +')', + textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)' + }); - intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length; + } - } else if ( weight === 0 && intPoint === l - 1 ) { + } - intPoint = l - 2; - weight = 1; + ); + + var vendors = ['-moz-','-o-','-webkit-','-ms-','']; + + function linearGradient(elem, x, a, b) { + elem.style.background = ''; + common.each(vendors, function(vendor) { + elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); '; + }); + } + + function hueGradient(elem) { + elem.style.background = ''; + elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);' + elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + } - } - var p0, p1, p2, p3; // 4 points + return ColorController; - if ( this.closed || intPoint > 0 ) { + })(dat.controllers.Controller, + dat.dom.dom, + dat.color.Color = (function (interpret, math, toString, common) { - p0 = points[ ( intPoint - 1 ) % l ]; + var Color = function() { - } else { + this.__state = interpret.apply(this, arguments); - // extrapolate first point - tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); - p0 = tmp; + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } - } + this.__state.a = this.__state.a || 1; - p1 = points[ intPoint % l ]; - p2 = points[ ( intPoint + 1 ) % l ]; - if ( this.closed || intPoint + 2 < l ) { + }; - p3 = points[ ( intPoint + 2 ) % l ]; + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; - } else { + common.extend(Color.prototype, { - // extrapolate last point - tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); - p3 = tmp; + toString: function() { + return toString(this); + }, - } + toOriginal: function() { + return this.__state.conversion.write(this); + } - if ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) { + }); - // init Centripetal / Chordal Catmull-Rom - var pow = this.type === 'chordal' ? 0.5 : 0.25; - var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); - var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); - var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); - // safety check for repeated points - if ( dt1 < 1e-4 ) dt1 = 1.0; - if ( dt0 < 1e-4 ) dt0 = dt1; - if ( dt2 < 1e-4 ) dt2 = dt1; + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); - px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); - py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); - pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + Object.defineProperty(Color.prototype, 'a', { - } else if ( this.type === 'catmullrom' ) { + get: function() { + return this.__state.a; + }, - var tension = this.tension !== undefined ? this.tension : 0.5; - px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension ); - py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension ); - pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension ); + set: function(v) { + this.__state.a = v; + } - } + }); - var v = new Vector3( - px.calc( weight ), - py.calc( weight ), - pz.calc( weight ) - ); + Object.defineProperty(Color.prototype, 'hex', { - return v; + get: function() { - } + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } - ); + return this.__state.hex; - } )(); + }, - /************************************************************** - * Closed Spline 3D curve - **************************************************************/ + set: function(v) { + this.__state.space = 'HEX'; + this.__state.hex = v; - function ClosedSplineCurve3( points ) { + } - console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' ); + }); - CatmullRomCurve3.call( this, points ); - this.type = 'catmullrom'; - this.closed = true; + function defineRGBComponent(target, component, componentHexIndex) { - } + Object.defineProperty(target, component, { - ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); + get: function() { - /************************************************************** - * Spline 3D curve - **************************************************************/ + if (this.__state.space === 'RGB') { + return this.__state[component]; + } + recalculateRGB(this, component, componentHexIndex); - var SplineCurve3 = Curve.create( + return this.__state[component]; - function ( points /* array of Vector3 */ ) { + }, - console.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' ); - this.points = ( points === undefined ) ? [] : points; + set: function(v) { - }, + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } - function ( t ) { + this.__state[component] = v; - var points = this.points; - var point = ( points.length - 1 ) * t; + } - var intPoint = Math.floor( point ); - var weight = point - intPoint; + }); - var point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ]; - var point1 = points[ intPoint ]; - var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; - var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + } - var interpolate = CurveUtils.interpolate; + function defineHSVComponent(target, component) { - return new Vector3( - interpolate( point0.x, point1.x, point2.x, point3.x, weight ), - interpolate( point0.y, point1.y, point2.y, point3.y, weight ), - interpolate( point0.z, point1.z, point2.z, point3.z, weight ) - ); + Object.defineProperty(target, component, { - } + get: function() { - ); + if (this.__state.space === 'HSV') + return this.__state[component]; - /************************************************************** - * Cubic Bezier 3D curve - **************************************************************/ + recalculateHSV(this); - var CubicBezierCurve3 = Curve.create( + return this.__state[component]; - function ( v0, v1, v2, v3 ) { + }, - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; + set: function(v) { - }, + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } - function ( t ) { + this.__state[component] = v; - var b3 = ShapeUtils.b3; + } - return new Vector3( - b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ), - b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z ) - ); + }); - } + } - ); + function recalculateRGB(color, component, componentHexIndex) { - /************************************************************** - * Quadratic Bezier 3D curve - **************************************************************/ + if (color.__state.space === 'HEX') { - var QuadraticBezierCurve3 = Curve.create( + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); - function ( v0, v1, v2 ) { + } else if (color.__state.space === 'HSV') { - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); - }, + } else { - function ( t ) { + throw 'Corrupted color state'; - var b2 = ShapeUtils.b2; + } - return new Vector3( - b2( t, this.v0.x, this.v1.x, this.v2.x ), - b2( t, this.v0.y, this.v1.y, this.v2.y ), - b2( t, this.v0.z, this.v1.z, this.v2.z ) - ); + } - } + function recalculateHSV(color) { - ); + var result = math.rgb_to_hsv(color.r, color.g, color.b); - /************************************************************** - * Line3D - **************************************************************/ + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); - var LineCurve3 = Curve.create( + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } - function ( v1, v2 ) { + } - this.v1 = v1; - this.v2 = v2; + return Color; - }, + })(dat.color.interpret, + dat.color.math = (function () { - function ( t ) { + var tmpComponent; - if ( t === 1 ) { + return { - return this.v2.clone(); + hsv_to_rgb: function(h, s, v) { - } + var hi = Math.floor(h / 60) % 6; - var vector = new Vector3(); + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; - vector.subVectors( this.v2, this.v1 ); // diff - vector.multiplyScalar( t ); - vector.add( this.v1 ); + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; - return vector; + }, - } + rgb_to_hsv: function(r, g, b) { - ); + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; - /************************************************************** - * Arc curve - **************************************************************/ + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } - function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } - EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, - } + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, - ArcCurve.prototype = Object.create( EllipseCurve.prototype ); - ArcCurve.prototype.constructor = ArcCurve; + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, - /** - * @author alteredq / http://alteredqualia.com/ - */ + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } - var SceneUtils = { + } - createMultiMaterialObject: function ( geometry, materials ) { + })(), + dat.color.toString, + dat.utils.common), + dat.color.interpret, + dat.utils.common), + dat.utils.requestAnimationFrame = (function () { - var group = new Group(); + /** + * requirejs version of Paul Irish's RequestAnimationFrame + * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ + */ - for ( var i = 0, l = materials.length; i < l; i ++ ) { + return window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback, element) { - group.add( new Mesh( geometry, materials[ i ] ) ); + window.setTimeout(callback, 1000 / 60); - } + }; + })(), + dat.dom.CenteredDiv = (function (dom, common) { - return group; - }, + var CenteredDiv = function() { - detach: function ( child, parent, scene ) { + this.backgroundElement = document.createElement('div'); + common.extend(this.backgroundElement.style, { + backgroundColor: 'rgba(0,0,0,0.8)', + top: 0, + left: 0, + display: 'none', + zIndex: '1000', + opacity: 0, + WebkitTransition: 'opacity 0.2s linear' + }); - child.applyMatrix( parent.matrixWorld ); - parent.remove( child ); - scene.add( child ); + dom.makeFullscreen(this.backgroundElement); + this.backgroundElement.style.position = 'fixed'; - }, + this.domElement = document.createElement('div'); + common.extend(this.domElement.style, { + position: 'fixed', + display: 'none', + zIndex: '1001', + opacity: 0, + WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear' + }); - attach: function ( child, scene, parent ) { - var matrixWorldInverse = new Matrix4(); - matrixWorldInverse.getInverse( parent.matrixWorld ); - child.applyMatrix( matrixWorldInverse ); + document.body.appendChild(this.backgroundElement); + document.body.appendChild(this.domElement); - scene.remove( child ); - parent.add( child ); + var _this = this; + dom.bind(this.backgroundElement, 'click', function() { + _this.hide(); + }); - } - }; + }; - /** - * @author mrdoob / http://mrdoob.com/ - */ + CenteredDiv.prototype.show = function() { - function Face4 ( a, b, c, d, normal, color, materialIndex ) { - console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); - return new Face3( a, b, c, normal, color, materialIndex ); - } + var _this = this; + - var LineStrip = 0; - var LinePieces = 1; + this.backgroundElement.style.display = 'block'; - function PointCloud ( geometry, material ) { - console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - } + this.domElement.style.display = 'block'; + this.domElement.style.opacity = 0; + // this.domElement.style.top = '52%'; + this.domElement.style.webkitTransform = 'scale(1.1)'; - function ParticleSystem ( geometry, material ) { - console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - } + this.layout(); - function PointCloudMaterial ( parameters ) { - console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + common.defer(function() { + _this.backgroundElement.style.opacity = 1; + _this.domElement.style.opacity = 1; + _this.domElement.style.webkitTransform = 'scale(1)'; + }); - function ParticleBasicMaterial ( parameters ) { - console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + }; - function ParticleSystemMaterial ( parameters ) { - console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + CenteredDiv.prototype.hide = function() { - function Vertex ( x, y, z ) { - console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); - return new Vector3( x, y, z ); - } + var _this = this; - // + var hide = function() { - function EdgesHelper( object, hex ) { - console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); - return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - } + _this.domElement.style.display = 'none'; + _this.backgroundElement.style.display = 'none'; - function WireframeHelper( object, hex ) { - console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); - return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - } + dom.unbind(_this.domElement, 'webkitTransitionEnd', hide); + dom.unbind(_this.domElement, 'transitionend', hide); + dom.unbind(_this.domElement, 'oTransitionEnd', hide); - // + }; - Object.assign( Box2.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - }, - empty: function () { - console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - }, - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - size: function ( optionalTarget ) { - console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - } - } ); + dom.bind(this.domElement, 'webkitTransitionEnd', hide); + dom.bind(this.domElement, 'transitionend', hide); + dom.bind(this.domElement, 'oTransitionEnd', hide); - Object.assign( Box3.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - }, - empty: function () { - console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - }, - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - isIntersectionSphere: function ( sphere ) { - console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - }, - size: function ( optionalTarget ) { - console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - } - } ); + this.backgroundElement.style.opacity = 0; + // this.domElement.style.top = '48%'; + this.domElement.style.opacity = 0; + this.domElement.style.webkitTransform = 'scale(1.1)'; - Object.assign( Line3.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - } - } ); + }; - Object.assign( Matrix3.prototype, { - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); - return vector.applyMatrix3( this ); - }, - multiplyVector3Array: function ( a ) { - console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); - return this.applyToVector3Array( a ); - } - } ); + CenteredDiv.prototype.layout = function() { + this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px'; + this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px'; + }; + + function lockScroll(e) { + console.log(e); + } - Object.assign( Matrix4.prototype, { - extractPosition: function ( m ) { - console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); - return this.copyPosition( m ); - }, - setRotationFromQuaternion: function ( q ) { - console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); - return this.makeRotationFromQuaternion( q ); - }, - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' ); - return vector.applyProjection( this ); - }, - multiplyVector4: function ( vector ) { - console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - }, - multiplyVector3Array: function ( a ) { - console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); - return this.applyToVector3Array( a ); - }, - rotateAxis: function ( v ) { - console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); - v.transformDirection( this ); - }, - crossVector: function ( vector ) { - console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - }, - translate: function ( v ) { - console.error( 'THREE.Matrix4: .translate() has been removed.' ); - }, - rotateX: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); - }, - rotateY: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); - }, - rotateZ: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); - }, - rotateByAxis: function ( axis, angle ) { - console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); - } - } ); + return CenteredDiv; - Object.assign( Plane.prototype, { - isIntersectionLine: function ( line ) { - console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); - return this.intersectsLine( line ); - } - } ); + })(dat.dom.dom, + dat.utils.common), + dat.dom.dom, + dat.utils.common); + +/***/ }, +/* 8 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ - Object.assign( Quaternion.prototype, { - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); - return vector.applyQuaternion( this ); - } - } ); + /** @namespace */ + var dat = module.exports = dat || {}; - Object.assign( Ray.prototype, { - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - isIntersectionPlane: function ( plane ) { - console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); - return this.intersectsPlane( plane ); - }, - isIntersectionSphere: function ( sphere ) { - console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - } - } ); + /** @namespace */ + dat.color = dat.color || {}; - Object.assign( Shape.prototype, { - extrude: function ( options ) { - console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); - return new ExtrudeGeometry( this, options ); - }, - makeGeometry: function ( options ) { - console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); - return new ShapeGeometry( this, options ); - } - } ); + /** @namespace */ + dat.utils = dat.utils || {}; - Object.assign( Vector3.prototype, { - setEulerFromRotationMatrix: function () { - console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); - }, - setEulerFromQuaternion: function () { - console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); - }, - getPositionFromMatrix: function ( m ) { - console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); - return this.setFromMatrixPosition( m ); - }, - getScaleFromMatrix: function ( m ) { - console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); - return this.setFromMatrixScale( m ); - }, - getColumnFromMatrix: function ( index, matrix ) { - console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); - return this.setFromMatrixColumn( matrix, index ); - } - } ); + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; - // + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ - Object.assign( Object3D.prototype, { - getChildByName: function ( name ) { - console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); - return this.getObjectByName( name ); - }, - renderDepth: function ( value ) { - console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); - }, - translate: function ( distance, axis ) { - console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); - return this.translateOnAxis( axis, distance ); - } - } ); + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { - Object.defineProperties( Object3D.prototype, { - eulerOrder: { - get: function () { - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - return this.rotation.order; - }, - set: function ( value ) { - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - this.rotation.order = value; - } - }, - useQuaternion: { - get: function () { - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - }, - set: function ( value ) { - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - } - } - } ); + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { - Object.defineProperties( LOD.prototype, { - objects: { - get: function () { - console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); - return this.levels; - } - } - } ); + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, - // + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); - PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { - console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + - "Use .setFocalLength and .filmGauge for a photographic setup." ); + dat.color.toString = (function (common) { - if ( filmGauge !== undefined ) this.filmGauge = filmGauge; - this.setFocalLength( focalLength ); + return function(color) { - }; + if (color.a == 1 || common.isUndefined(color.a)) { - // + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } - Object.defineProperties( Light.prototype, { - onlyShadow: { - set: function ( value ) { - console.warn( 'THREE.Light: .onlyShadow has been removed.' ); - } - }, - shadowCameraFov: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); - this.shadow.camera.fov = value; - } - }, - shadowCameraLeft: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); - this.shadow.camera.left = value; - } - }, - shadowCameraRight: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); - this.shadow.camera.right = value; - } - }, - shadowCameraTop: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); - this.shadow.camera.top = value; - } - }, - shadowCameraBottom: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); - this.shadow.camera.bottom = value; - } - }, - shadowCameraNear: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); - this.shadow.camera.near = value; - } - }, - shadowCameraFar: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); - this.shadow.camera.far = value; - } - }, - shadowCameraVisible: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); - } - }, - shadowBias: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); - this.shadow.bias = value; - } - }, - shadowDarkness: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); - } - }, - shadowMapWidth: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); - this.shadow.mapSize.width = value; - } - }, - shadowMapHeight: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); - this.shadow.mapSize.height = value; - } - } - } ); + return '#' + s; - // + } else { - Object.defineProperties( BufferAttribute.prototype, { - length: { - get: function () { - console.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' ); - return this.array.length; - } - } - } ); + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; - Object.assign( BufferGeometry.prototype, { - addIndex: function ( index ) { - console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); - this.setIndex( index ); - }, - addDrawCall: function ( start, count, indexOffset ) { - if ( indexOffset !== undefined ) { - console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); - } - console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); - this.addGroup( start, count ); - }, - clearDrawCalls: function () { - console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); - this.clearGroups(); - }, - computeTangents: function () { - console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); - }, - computeOffsets: function () { - console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); - } - } ); + } - Object.defineProperties( BufferGeometry.prototype, { - drawcalls: { - get: function () { - console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); - return this.groups; - } - }, - offsets: { - get: function () { - console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); - return this.groups; - } - } - } ); + } - // + })(dat.utils.common); - Object.defineProperties( Material.prototype, { - wrapAround: { - get: function () { - console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); - }, - set: function ( value ) { - console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); - } - }, - wrapRGB: { - get: function () { - console.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' ); - return new Color(); - } - } - } ); - Object.defineProperties( MeshPhongMaterial.prototype, { - metal: { - get: function () { - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); - return false; - }, - set: function ( value ) { - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); - } - } - } ); + dat.Color = dat.color.Color = (function (interpret, math, toString, common) { - Object.defineProperties( ShaderMaterial.prototype, { - derivatives: { - get: function () { - console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - return this.extensions.derivatives; - }, - set: function ( value ) { - console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - this.extensions.derivatives = value; - } - } - } ); + var Color = function() { - // + this.__state = interpret.apply(this, arguments); - EventDispatcher.prototype = Object.assign( Object.create( { + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } - // Note: Extra base ensures these properties are not 'assign'ed. + this.__state.a = this.__state.a || 1; - constructor: EventDispatcher, - apply: function ( target ) { + }; - console.warn( "THREE.EventDispatcher: .apply is deprecated, " + - "just inherit or Object.assign the prototype to mix-in." ); + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; - Object.assign( target, this ); + common.extend(Color.prototype, { - } + toString: function() { + return toString(this); + }, - } ), EventDispatcher.prototype ); + toOriginal: function() { + return this.__state.conversion.write(this); + } - // + }); - Object.defineProperties( Uniform.prototype, { - dynamic: { - set: function ( value ) { - console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); - } - }, - onUpdate: { - value: function () { - console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); - return this; - } - } - } ); + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); - // + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); - Object.assign( WebGLRenderer.prototype, { - supportsFloatTextures: function () { - console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); - return this.extensions.get( 'OES_texture_float' ); - }, - supportsHalfFloatTextures: function () { - console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); - return this.extensions.get( 'OES_texture_half_float' ); - }, - supportsStandardDerivatives: function () { - console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); - return this.extensions.get( 'OES_standard_derivatives' ); - }, - supportsCompressedTextureS3TC: function () { - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); - }, - supportsCompressedTexturePVRTC: function () { - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - }, - supportsBlendMinMax: function () { - console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); - return this.extensions.get( 'EXT_blend_minmax' ); - }, - supportsVertexTextures: function () { - return this.capabilities.vertexTextures; - }, - supportsInstancedArrays: function () { - console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); - return this.extensions.get( 'ANGLE_instanced_arrays' ); - }, - enableScissorTest: function ( boolean ) { - console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); - this.setScissorTest( boolean ); - }, - initMaterial: function () { - console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); - }, - addPrePlugin: function () { - console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); - }, - addPostPlugin: function () { - console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); - }, - updateShadowMap: function () { - console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); - } - } ); + Object.defineProperty(Color.prototype, 'a', { - Object.defineProperties( WebGLRenderer.prototype, { - shadowMapEnabled: { - get: function () { - return this.shadowMap.enabled; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); - this.shadowMap.enabled = value; - } - }, - shadowMapType: { - get: function () { - return this.shadowMap.type; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); - this.shadowMap.type = value; - } - }, - shadowMapCullFace: { - get: function () { - return this.shadowMap.cullFace; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' ); - this.shadowMap.cullFace = value; - } - } - } ); + get: function() { + return this.__state.a; + }, - Object.defineProperties( WebGLShadowMap.prototype, { - cullFace: { - get: function () { - return this.renderReverseSided ? CullFaceFront : CullFaceBack; - }, - set: function ( cullFace ) { - var value = ( cullFace !== CullFaceBack ); - console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." ); - this.renderReverseSided = value; - } - } - } ); + set: function(v) { + this.__state.a = v; + } - // + }); - Object.defineProperties( WebGLRenderTarget.prototype, { - wrapS: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); - return this.texture.wrapS; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); - this.texture.wrapS = value; - } - }, - wrapT: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); - return this.texture.wrapT; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); - this.texture.wrapT = value; - } - }, - magFilter: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); - return this.texture.magFilter; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); - this.texture.magFilter = value; - } - }, - minFilter: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); - return this.texture.minFilter; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); - this.texture.minFilter = value; - } - }, - anisotropy: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); - return this.texture.anisotropy; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); - this.texture.anisotropy = value; - } - }, - offset: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); - return this.texture.offset; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); - this.texture.offset = value; - } - }, - repeat: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); - return this.texture.repeat; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); - this.texture.repeat = value; - } - }, - format: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); - return this.texture.format; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); - this.texture.format = value; - } - }, - type: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); - return this.texture.type; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); - this.texture.type = value; - } - }, - generateMipmaps: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); - return this.texture.generateMipmaps; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); - this.texture.generateMipmaps = value; - } - } - } ); + Object.defineProperty(Color.prototype, 'hex', { - // + get: function() { - Object.assign( Audio.prototype, { - load: function ( file ) { - console.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' ); - var scope = this; - var audioLoader = new AudioLoader(); - audioLoader.load( file, function ( buffer ) { - scope.setBuffer( buffer ); - } ); - return this; - } - } ); + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } - Object.assign( AudioAnalyser.prototype, { - getData: function ( file ) { - console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); - return this.getFrequencyData(); - } - } ); + return this.__state.hex; - // + }, - var GeometryUtils = { + set: function(v) { - merge: function ( geometry1, geometry2, materialIndexOffset ) { + this.__state.space = 'HEX'; + this.__state.hex = v; - console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); + } - var matrix; + }); - if ( geometry2.isMesh ) { + function defineRGBComponent(target, component, componentHexIndex) { - geometry2.matrixAutoUpdate && geometry2.updateMatrix(); + Object.defineProperty(target, component, { - matrix = geometry2.matrix; - geometry2 = geometry2.geometry; + get: function() { - } + if (this.__state.space === 'RGB') { + return this.__state[component]; + } - geometry1.merge( geometry2, matrix, materialIndexOffset ); + recalculateRGB(this, component, componentHexIndex); - }, + return this.__state[component]; - center: function ( geometry ) { + }, - console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); - return geometry.center(); + set: function(v) { - } + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } - }; + this.__state[component] = v; - var ImageUtils = { + } - crossOrigin: undefined, + }); - loadTexture: function ( url, mapping, onLoad, onError ) { + } - console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); + function defineHSVComponent(target, component) { - var loader = new TextureLoader(); - loader.setCrossOrigin( this.crossOrigin ); + Object.defineProperty(target, component, { - var texture = loader.load( url, onLoad, undefined, onError ); + get: function() { - if ( mapping ) texture.mapping = mapping; + if (this.__state.space === 'HSV') + return this.__state[component]; - return texture; + recalculateHSV(this); - }, + return this.__state[component]; - loadTextureCube: function ( urls, mapping, onLoad, onError ) { + }, - console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); + set: function(v) { - var loader = new CubeTextureLoader(); - loader.setCrossOrigin( this.crossOrigin ); + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } - var texture = loader.load( urls, onLoad, undefined, onError ); + this.__state[component] = v; - if ( mapping ) texture.mapping = mapping; + } - return texture; + }); - }, + } - loadCompressedTexture: function () { + function recalculateRGB(color, component, componentHexIndex) { - console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); + if (color.__state.space === 'HEX') { - }, + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); - loadCompressedTextureCube: function () { + } else if (color.__state.space === 'HSV') { - console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); - } + } else { - }; + throw 'Corrupted color state'; - // + } - function Projector () { + } - console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' ); + function recalculateHSV(color) { - this.projectVector = function ( vector, camera ) { + var result = math.rgb_to_hsv(color.r, color.g, color.b); - console.warn( 'THREE.Projector: .projectVector() is now vector.project().' ); - vector.project( camera ); + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); - }; + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } - this.unprojectVector = function ( vector, camera ) { + } - console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' ); - vector.unproject( camera ); + return Color; - }; + })(dat.color.interpret = (function (toString, common) { - this.pickingRay = function ( vector, camera ) { + var result, toReturn; - console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' ); + var interpret = function() { - }; + toReturn = false; - } + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; - // + common.each(INTERPRETATIONS, function(family) { - function CanvasRenderer () { + if (family.litmus(original)) { - console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' ); + common.each(family.conversions, function(conversion, conversionName) { - this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - this.clear = function () {}; - this.render = function () {}; - this.setClearColor = function () {}; - this.setSize = function () {}; + result = conversion.read(original); - } + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; - exports.WebGLRenderTargetCube = WebGLRenderTargetCube; - exports.WebGLRenderTarget = WebGLRenderTarget; - exports.WebGLRenderer = WebGLRenderer; - exports.ShaderLib = ShaderLib; - exports.UniformsLib = UniformsLib; - exports.UniformsUtils = UniformsUtils; - exports.ShaderChunk = ShaderChunk; - exports.FogExp2 = FogExp2; - exports.Fog = Fog; - exports.Scene = Scene; - exports.LensFlare = LensFlare; - exports.Sprite = Sprite; - exports.LOD = LOD; - exports.SkinnedMesh = SkinnedMesh; - exports.Skeleton = Skeleton; - exports.Bone = Bone; - exports.Mesh = Mesh; - exports.LineSegments = LineSegments; - exports.Line = Line; - exports.Points = Points; - exports.Group = Group; - exports.VideoTexture = VideoTexture; - exports.DataTexture = DataTexture; - exports.CompressedTexture = CompressedTexture; - exports.CubeTexture = CubeTexture; - exports.CanvasTexture = CanvasTexture; - exports.DepthTexture = DepthTexture; - exports.TextureIdCount = TextureIdCount; - exports.Texture = Texture; - exports.MaterialIdCount = MaterialIdCount; - exports.CompressedTextureLoader = CompressedTextureLoader; - exports.BinaryTextureLoader = BinaryTextureLoader; - exports.DataTextureLoader = DataTextureLoader; - exports.CubeTextureLoader = CubeTextureLoader; - exports.TextureLoader = TextureLoader; - exports.ObjectLoader = ObjectLoader; - exports.MaterialLoader = MaterialLoader; - exports.BufferGeometryLoader = BufferGeometryLoader; - exports.DefaultLoadingManager = DefaultLoadingManager; - exports.LoadingManager = LoadingManager; - exports.JSONLoader = JSONLoader; - exports.ImageLoader = ImageLoader; - exports.FontLoader = FontLoader; - exports.XHRLoader = XHRLoader; - exports.Loader = Loader; - exports.Cache = Cache; - exports.AudioLoader = AudioLoader; - exports.SpotLightShadow = SpotLightShadow; - exports.SpotLight = SpotLight; - exports.PointLight = PointLight; - exports.HemisphereLight = HemisphereLight; - exports.DirectionalLightShadow = DirectionalLightShadow; - exports.DirectionalLight = DirectionalLight; - exports.AmbientLight = AmbientLight; - exports.LightShadow = LightShadow; - exports.Light = Light; - exports.StereoCamera = StereoCamera; - exports.PerspectiveCamera = PerspectiveCamera; - exports.OrthographicCamera = OrthographicCamera; - exports.CubeCamera = CubeCamera; - exports.Camera = Camera; - exports.AudioListener = AudioListener; - exports.PositionalAudio = PositionalAudio; - exports.getAudioContext = getAudioContext; - exports.AudioAnalyser = AudioAnalyser; - exports.Audio = Audio; - exports.VectorKeyframeTrack = VectorKeyframeTrack; - exports.StringKeyframeTrack = StringKeyframeTrack; - exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack; - exports.NumberKeyframeTrack = NumberKeyframeTrack; - exports.ColorKeyframeTrack = ColorKeyframeTrack; - exports.BooleanKeyframeTrack = BooleanKeyframeTrack; - exports.PropertyMixer = PropertyMixer; - exports.PropertyBinding = PropertyBinding; - exports.KeyframeTrack = KeyframeTrack; - exports.AnimationUtils = AnimationUtils; - exports.AnimationObjectGroup = AnimationObjectGroup; - exports.AnimationMixer = AnimationMixer; - exports.AnimationClip = AnimationClip; - exports.Uniform = Uniform; - exports.InstancedBufferGeometry = InstancedBufferGeometry; - exports.BufferGeometry = BufferGeometry; - exports.GeometryIdCount = GeometryIdCount; - exports.Geometry = Geometry; - exports.InterleavedBufferAttribute = InterleavedBufferAttribute; - exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer; - exports.InterleavedBuffer = InterleavedBuffer; - exports.InstancedBufferAttribute = InstancedBufferAttribute; - exports.DynamicBufferAttribute = DynamicBufferAttribute; - exports.Float64Attribute = Float64Attribute; - exports.Float32Attribute = Float32Attribute; - exports.Uint32Attribute = Uint32Attribute; - exports.Int32Attribute = Int32Attribute; - exports.Uint16Attribute = Uint16Attribute; - exports.Int16Attribute = Int16Attribute; - exports.Uint8ClampedAttribute = Uint8ClampedAttribute; - exports.Uint8Attribute = Uint8Attribute; - exports.Int8Attribute = Int8Attribute; - exports.BufferAttribute = BufferAttribute; - exports.Face3 = Face3; - exports.Object3DIdCount = Object3DIdCount; - exports.Object3D = Object3D; - exports.Raycaster = Raycaster; - exports.Layers = Layers; - exports.EventDispatcher = EventDispatcher; - exports.Clock = Clock; - exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant; - exports.LinearInterpolant = LinearInterpolant; - exports.DiscreteInterpolant = DiscreteInterpolant; - exports.CubicInterpolant = CubicInterpolant; - exports.Interpolant = Interpolant; - exports.Triangle = Triangle; - exports.Spline = Spline; - exports.Math = _Math; - exports.Spherical = Spherical; - exports.Plane = Plane; - exports.Frustum = Frustum; - exports.Sphere = Sphere; - exports.Ray = Ray; - exports.Matrix4 = Matrix4; - exports.Matrix3 = Matrix3; - exports.Box3 = Box3; - exports.Box2 = Box2; - exports.Line3 = Line3; - exports.Euler = Euler; - exports.Vector4 = Vector4; - exports.Vector3 = Vector3; - exports.Vector2 = Vector2; - exports.Quaternion = Quaternion; - exports.ColorKeywords = ColorKeywords; - exports.Color = Color; - exports.MorphBlendMesh = MorphBlendMesh; - exports.ImmediateRenderObject = ImmediateRenderObject; - exports.VertexNormalsHelper = VertexNormalsHelper; - exports.SpotLightHelper = SpotLightHelper; - exports.SkeletonHelper = SkeletonHelper; - exports.PointLightHelper = PointLightHelper; - exports.HemisphereLightHelper = HemisphereLightHelper; - exports.GridHelper = GridHelper; - exports.FaceNormalsHelper = FaceNormalsHelper; - exports.DirectionalLightHelper = DirectionalLightHelper; - exports.CameraHelper = CameraHelper; - exports.BoundingBoxHelper = BoundingBoxHelper; - exports.BoxHelper = BoxHelper; - exports.ArrowHelper = ArrowHelper; - exports.AxisHelper = AxisHelper; - exports.ClosedSplineCurve3 = ClosedSplineCurve3; - exports.CatmullRomCurve3 = CatmullRomCurve3; - exports.SplineCurve3 = SplineCurve3; - exports.CubicBezierCurve3 = CubicBezierCurve3; - exports.QuadraticBezierCurve3 = QuadraticBezierCurve3; - exports.LineCurve3 = LineCurve3; - exports.ArcCurve = ArcCurve; - exports.EllipseCurve = EllipseCurve; - exports.SplineCurve = SplineCurve; - exports.CubicBezierCurve = CubicBezierCurve; - exports.QuadraticBezierCurve = QuadraticBezierCurve; - exports.LineCurve = LineCurve; - exports.Shape = Shape; - exports.ShapePath = ShapePath; - exports.Path = Path; - exports.Font = Font; - exports.CurvePath = CurvePath; - exports.Curve = Curve; - exports.ShapeUtils = ShapeUtils; - exports.SceneUtils = SceneUtils; - exports.CurveUtils = CurveUtils; - exports.WireframeGeometry = WireframeGeometry; - exports.ParametricGeometry = ParametricGeometry; - exports.ParametricBufferGeometry = ParametricBufferGeometry; - exports.TetrahedronGeometry = TetrahedronGeometry; - exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry; - exports.OctahedronGeometry = OctahedronGeometry; - exports.OctahedronBufferGeometry = OctahedronBufferGeometry; - exports.IcosahedronGeometry = IcosahedronGeometry; - exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry; - exports.DodecahedronGeometry = DodecahedronGeometry; - exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry; - exports.PolyhedronGeometry = PolyhedronGeometry; - exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry; - exports.TubeGeometry = TubeGeometry; - exports.TubeBufferGeometry = TubeBufferGeometry; - exports.TorusKnotGeometry = TorusKnotGeometry; - exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry; - exports.TorusGeometry = TorusGeometry; - exports.TorusBufferGeometry = TorusBufferGeometry; - exports.TextGeometry = TextGeometry; - exports.SphereBufferGeometry = SphereBufferGeometry; - exports.SphereGeometry = SphereGeometry; - exports.RingGeometry = RingGeometry; - exports.RingBufferGeometry = RingBufferGeometry; - exports.PlaneBufferGeometry = PlaneBufferGeometry; - exports.PlaneGeometry = PlaneGeometry; - exports.LatheGeometry = LatheGeometry; - exports.LatheBufferGeometry = LatheBufferGeometry; - exports.ShapeGeometry = ShapeGeometry; - exports.ExtrudeGeometry = ExtrudeGeometry; - exports.EdgesGeometry = EdgesGeometry; - exports.ConeGeometry = ConeGeometry; - exports.ConeBufferGeometry = ConeBufferGeometry; - exports.CylinderGeometry = CylinderGeometry; - exports.CylinderBufferGeometry = CylinderBufferGeometry; - exports.CircleBufferGeometry = CircleBufferGeometry; - exports.CircleGeometry = CircleGeometry; - exports.BoxBufferGeometry = BoxBufferGeometry; - exports.BoxGeometry = BoxGeometry; - exports.ShadowMaterial = ShadowMaterial; - exports.SpriteMaterial = SpriteMaterial; - exports.RawShaderMaterial = RawShaderMaterial; - exports.ShaderMaterial = ShaderMaterial; - exports.PointsMaterial = PointsMaterial; - exports.MultiMaterial = MultiMaterial; - exports.MeshPhysicalMaterial = MeshPhysicalMaterial; - exports.MeshStandardMaterial = MeshStandardMaterial; - exports.MeshPhongMaterial = MeshPhongMaterial; - exports.MeshNormalMaterial = MeshNormalMaterial; - exports.MeshLambertMaterial = MeshLambertMaterial; - exports.MeshDepthMaterial = MeshDepthMaterial; - exports.MeshBasicMaterial = MeshBasicMaterial; - exports.LineDashedMaterial = LineDashedMaterial; - exports.LineBasicMaterial = LineBasicMaterial; - exports.Material = Material; - exports.REVISION = REVISION; - exports.MOUSE = MOUSE; - exports.CullFaceNone = CullFaceNone; - exports.CullFaceBack = CullFaceBack; - exports.CullFaceFront = CullFaceFront; - exports.CullFaceFrontBack = CullFaceFrontBack; - exports.FrontFaceDirectionCW = FrontFaceDirectionCW; - exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; - exports.BasicShadowMap = BasicShadowMap; - exports.PCFShadowMap = PCFShadowMap; - exports.PCFSoftShadowMap = PCFSoftShadowMap; - exports.FrontSide = FrontSide; - exports.BackSide = BackSide; - exports.DoubleSide = DoubleSide; - exports.FlatShading = FlatShading; - exports.SmoothShading = SmoothShading; - exports.NoColors = NoColors; - exports.FaceColors = FaceColors; - exports.VertexColors = VertexColors; - exports.NoBlending = NoBlending; - exports.NormalBlending = NormalBlending; - exports.AdditiveBlending = AdditiveBlending; - exports.SubtractiveBlending = SubtractiveBlending; - exports.MultiplyBlending = MultiplyBlending; - exports.CustomBlending = CustomBlending; - exports.BlendingMode = BlendingMode; - exports.AddEquation = AddEquation; - exports.SubtractEquation = SubtractEquation; - exports.ReverseSubtractEquation = ReverseSubtractEquation; - exports.MinEquation = MinEquation; - exports.MaxEquation = MaxEquation; - exports.ZeroFactor = ZeroFactor; - exports.OneFactor = OneFactor; - exports.SrcColorFactor = SrcColorFactor; - exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; - exports.SrcAlphaFactor = SrcAlphaFactor; - exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; - exports.DstAlphaFactor = DstAlphaFactor; - exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; - exports.DstColorFactor = DstColorFactor; - exports.OneMinusDstColorFactor = OneMinusDstColorFactor; - exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; - exports.NeverDepth = NeverDepth; - exports.AlwaysDepth = AlwaysDepth; - exports.LessDepth = LessDepth; - exports.LessEqualDepth = LessEqualDepth; - exports.EqualDepth = EqualDepth; - exports.GreaterEqualDepth = GreaterEqualDepth; - exports.GreaterDepth = GreaterDepth; - exports.NotEqualDepth = NotEqualDepth; - exports.MultiplyOperation = MultiplyOperation; - exports.MixOperation = MixOperation; - exports.AddOperation = AddOperation; - exports.NoToneMapping = NoToneMapping; - exports.LinearToneMapping = LinearToneMapping; - exports.ReinhardToneMapping = ReinhardToneMapping; - exports.Uncharted2ToneMapping = Uncharted2ToneMapping; - exports.CineonToneMapping = CineonToneMapping; - exports.UVMapping = UVMapping; - exports.CubeReflectionMapping = CubeReflectionMapping; - exports.CubeRefractionMapping = CubeRefractionMapping; - exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; - exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; - exports.SphericalReflectionMapping = SphericalReflectionMapping; - exports.CubeUVReflectionMapping = CubeUVReflectionMapping; - exports.CubeUVRefractionMapping = CubeUVRefractionMapping; - exports.TextureMapping = TextureMapping; - exports.RepeatWrapping = RepeatWrapping; - exports.ClampToEdgeWrapping = ClampToEdgeWrapping; - exports.MirroredRepeatWrapping = MirroredRepeatWrapping; - exports.TextureWrapping = TextureWrapping; - exports.NearestFilter = NearestFilter; - exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; - exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; - exports.LinearFilter = LinearFilter; - exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; - exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; - exports.TextureFilter = TextureFilter; - exports.UnsignedByteType = UnsignedByteType; - exports.ByteType = ByteType; - exports.ShortType = ShortType; - exports.UnsignedShortType = UnsignedShortType; - exports.IntType = IntType; - exports.UnsignedIntType = UnsignedIntType; - exports.FloatType = FloatType; - exports.HalfFloatType = HalfFloatType; - exports.UnsignedShort4444Type = UnsignedShort4444Type; - exports.UnsignedShort5551Type = UnsignedShort5551Type; - exports.UnsignedShort565Type = UnsignedShort565Type; - exports.UnsignedInt248Type = UnsignedInt248Type; - exports.AlphaFormat = AlphaFormat; - exports.RGBFormat = RGBFormat; - exports.RGBAFormat = RGBAFormat; - exports.LuminanceFormat = LuminanceFormat; - exports.LuminanceAlphaFormat = LuminanceAlphaFormat; - exports.RGBEFormat = RGBEFormat; - exports.DepthFormat = DepthFormat; - exports.DepthStencilFormat = DepthStencilFormat; - exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; - exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; - exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; - exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; - exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; - exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; - exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; - exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; - exports.RGB_ETC1_Format = RGB_ETC1_Format; - exports.LoopOnce = LoopOnce; - exports.LoopRepeat = LoopRepeat; - exports.LoopPingPong = LoopPingPong; - exports.InterpolateDiscrete = InterpolateDiscrete; - exports.InterpolateLinear = InterpolateLinear; - exports.InterpolateSmooth = InterpolateSmooth; - exports.ZeroCurvatureEnding = ZeroCurvatureEnding; - exports.ZeroSlopeEnding = ZeroSlopeEnding; - exports.WrapAroundEnding = WrapAroundEnding; - exports.TrianglesDrawMode = TrianglesDrawMode; - exports.TriangleStripDrawMode = TriangleStripDrawMode; - exports.TriangleFanDrawMode = TriangleFanDrawMode; - exports.LinearEncoding = LinearEncoding; - exports.sRGBEncoding = sRGBEncoding; - exports.GammaEncoding = GammaEncoding; - exports.RGBEEncoding = RGBEEncoding; - exports.LogLuvEncoding = LogLuvEncoding; - exports.RGBM7Encoding = RGBM7Encoding; - exports.RGBM16Encoding = RGBM16Encoding; - exports.RGBDEncoding = RGBDEncoding; - exports.BasicDepthPacking = BasicDepthPacking; - exports.RGBADepthPacking = RGBADepthPacking; - exports.CubeGeometry = BoxGeometry; - exports.Face4 = Face4; - exports.LineStrip = LineStrip; - exports.LinePieces = LinePieces; - exports.MeshFaceMaterial = MultiMaterial; - exports.PointCloud = PointCloud; - exports.Particle = Sprite; - exports.ParticleSystem = ParticleSystem; - exports.PointCloudMaterial = PointCloudMaterial; - exports.ParticleBasicMaterial = ParticleBasicMaterial; - exports.ParticleSystemMaterial = ParticleSystemMaterial; - exports.Vertex = Vertex; - exports.EdgesHelper = EdgesHelper; - exports.WireframeHelper = WireframeHelper; - exports.GeometryUtils = GeometryUtils; - exports.ImageUtils = ImageUtils; - exports.Projector = Projector; - exports.CanvasRenderer = CanvasRenderer; + } - Object.defineProperty(exports, '__esModule', { value: true }); + }); - Object.defineProperty( exports, 'AudioContext', { - get: function () { - return exports.getAudioContext(); - } - }); + return common.BREAK; - }))); - + } + + }); + + return toReturn; + + }; + + var INTERPRETATIONS = [ + + // Strings + { + + litmus: common.isString, + + conversions: { + + THREE_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; + + }, + + write: toString + + }, + + SIX_CHAR_HEX: { + + read: function(original) { + + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; + + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; + + }, + + write: toString + + }, + + CSS_RGB: { + + read: function(original) { + + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; + + }, + + write: toString + + }, + + CSS_RGBA: { + + read: function(original) { + + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; + + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; + + }, + + write: toString + + } + + } + + }, + + // Numbers + { + + litmus: common.isNumber, + + conversions: { + + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, + + write: function(color) { + return color.hex; + } + } + + } + + }, + + // Arrays + { + + litmus: common.isArray, + + conversions: { + + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b]; + } + + }, + + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, + + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } + + } + + } + + }, + + // Objects + { + + litmus: common.isObject, + + conversions: { + + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, + + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, + + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, + + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, + + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, + + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } + + } + + } + + } + + + ]; + + return interpret; + + + })(dat.color.toString, + dat.utils.common), + dat.color.math = (function () { + + var tmpComponent; + + return { + + hsv_to_rgb: function(h, s, v) { + + var hi = Math.floor(h / 60) % 6; + + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; + + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; + + }, + + rgb_to_hsv: function(r, g, b) { + + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; + + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } + + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } + + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, + + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, + + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, + + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } + + } + + })(), + dat.color.toString, + dat.utils.common); /***/ }, -/* 7 */ +/* 9 */ /***/ function(module, exports) { module.exports = function( THREE ) { @@ -48077,7 +48183,34 @@ /***/ }, -/* 8 */ +/* 10 */ +/***/ function(module, exports) { + + "use strict"; + + Object.defineProperty(exports, "__esModule", { + value: true + }); + ///////////////////////////////////// + // Marching cubes lookup tables + ///////////////////////////////////// + + // Got these tables from https://www.clicktorelease.com/code/bumpy-metaballs/ + // These tables are straight from Paul Bourke's page: + // http://local.wasp.uwa.edu.au/~pbourke/geometry/polygonise/ + // who in turn got them from Cory Gene Bloyd. + + var EDGE_TABLE = new Int32Array([0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, 0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, 0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, 0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, 0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60, 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc, 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0, 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650, 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460, 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0, 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230, 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190, 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0]); + + var TRI_TABLE = new Int32Array([-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1, 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1, 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1, 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1, 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1, 9, 0, 1, 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_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - var _agent = __webpack_require__(9); + var _textures = __webpack_require__(1); + + var _metaball = __webpack_require__(12); + + var _metaball2 = _interopRequireDefault(_metaball); + + var _inspect_point = __webpack_require__(13); + + var _inspect_point2 = _interopRequireDefault(_inspect_point); - var _agent2 = _interopRequireDefault(_agent); + var _marching_cube_LUT = __webpack_require__(10); - var _agent3 = __webpack_require__(9); + var _marching_cube_LUT2 = _interopRequireDefault(_marching_cube_LUT); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - var THREE = __webpack_require__(6); + var THREE = __webpack_require__(2); - function Marker(pos) { - this.pos = pos; - this.weight = 0; - this.owner = null; - } + var VISUAL_DEBUG = true; + var episolon = 0.1; + var balls = []; + + var options = { lightColor: '#ffffff', lightIntensity: 1, ambient: '#111111', texture: null }; + + // lava + var l_mat = { + uniforms: { + texture: { type: "t", value: null }, + u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, + u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, + u_lightIntensity: { type: 'f', value: options.lightIntensity } + }, + vertexShader: __webpack_require__(14), + fragmentShader: __webpack_require__(15) + }; - function Obstacle(pos, radius) { - this.pos = pos; - this.radius = radius; + var LAVA_MAT = new THREE.ShaderMaterial(l_mat); + var LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x111111, emissive: 0xff0000 }); + var LAMBERT_GREEN = new THREE.MeshBasicMaterial({ color: 0x00ee00, transparent: true, opacity: 0.5 }); + var WIREFRAME_MAT = new THREE.LineBasicMaterial({ color: 0xffffff, linewidth: 10 }); + + // This function samples a point from the metaball's density function + // Implement a function that returns the value of the all metaballs influence to a given point. + // Please follow the resources given in the write-up for details. + function sample(point) { + var isovalue = 0.0; + for (var i = 0; i < balls.length; i++) { + var r = balls[i].radius; + var d = point.distanceTo(balls[i].pos); + //isovalue += (r * r / (d * d)) * balls[i].neg; + isovalue += r * r / (d * d); + } + return isovalue; } - var BioCrowd = function () { - function BioCrowd(App) { - _classCallCheck(this, BioCrowd); + var MarchingCubes = function () { + function MarchingCubes(App) { + _classCallCheck(this, MarchingCubes); this.init(App); } - _createClass(BioCrowd, [{ + _createClass(MarchingCubes, [{ key: 'init', value: function init(App) { - this.isPaused = App.config.isPaused; - this.origin = new THREE.Vector3(0, 0, 0); - - // dimensions - this.grid = []; - this.gridRes = App.config.gridRes; - this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells - this.cellRes = App.config.cellRes; // num of mark in cell + this.isPaused = false; + VISUAL_DEBUG = App.config.visualDebug; + + // Initializing member variables. + // Additional variables are used for fast computation. + this.origin = new THREE.Vector3(0); + + this.isolevel = App.config.isolevel; + this.minRadius = App.config.minRadius; + this.maxRadius = App.config.maxRadius; + + this.gridCellWidth = App.config.gridCellWidth; + this.gridCellHeight = App.config.gridCellHeight; + this.gridCellDepth = App.config.gridCellDepth; + this.halfCellWidth = App.config.gridCellWidth / 2.0; + this.halfCellHeight = App.config.gridCellHeight / 2.0; + this.halfCellDepth = App.config.gridCellDepth / 2.0; this.gridWidth = App.config.gridWidth; this.gridHeight = App.config.gridHeight; - this.cellHeight = this.gridHeight / this.gridRes; - this.cellWidth = this.gridHeight / this.gridRes; - this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes) * Math.sqrt(this.cellRes); - - // agents - this.agents = []; - this.numAgents = App.config.numAgents; - this.agentRadius = App.config.agentRadius; - this.agentGeo = App.agentGeometry; - this.scenario = App.scenario; - this.maxVelocity = App.config.maxVelocity; - - // scene data + this.gridDepth = App.config.gridDepth; + + this.res = App.config.gridRes; + this.res2 = App.config.gridRes * App.config.gridRes; + this.res3 = App.config.gridRes * App.config.gridRes * App.config.gridRes; + + this.maxSpeedX = App.config.maxSpeedX; + this.maxSpeedY = App.config.maxSpeedY; + this.maxSpeedZ = App.config.maxSpeedZ; + this.numMetaballs = App.config.numMetaballs; + this.camera = App.camera; this.scene = App.scene; - this.num_obs = App.obstacles; - this.obstacles = []; - - this.debug = App.config.visualDebug; - // markers - this.markerGeo = new THREE.BufferGeometry(); - this.m_positions = new Float32Array(this.maxMarkers * 3); - this.markerMat = new THREE.PointsMaterial({ size: 0.1, color: 0x7eed6f }); - this.markerPoints = new THREE.Points(this.markerGeo, this.markerMat); - this.lineMat = new THREE.LineBasicMaterial({ color: 0x770000 }); - - this.initGrid(); - this.initAgents(); - if (this.debug) this.show(); + + this.voxels = []; + //this.labels = []; + this.balls = balls; + + this.showSpheres = true; + this.showGrid = true; + + _textures.silverTexture.then(function (texture) { + l_mat.uniforms.texture.value = texture; + }); + + if (App.config.material) { + this.material = new THREE.MeshPhongMaterial({ color: 0xff6a1d }); + } else { + this.material = App.config.material; + } + + this.setupCells(); + this.setupMetaballs(); + this.makeMesh(); } }, { key: 'reset', - - - // new grid and agents value: function reset() { - for (var i = 0; i < this.agents.length; i++) { - this.scene.remove(this.agents[i].mesh); - this.scene.remove(this.agents[i].lines); - this.scene.remove(this.agents[i].circle); - } - for (var j = 0; j < this.num_obs; j++) { - this.scene.remove(this.obstacles[j].mesh); - } - this.scene.remove(this.markerPoints); + this.scene.remove(this.mesh); + this.balls = [];balls = []; } }, { - key: 'i1toi2', + key: 'i1toi3', - // Convert from 1D index to 2D indices - value: function i1toi2(i1) { - return [i1 % this.gridRes, ~~(i1 % this.gridRes2 / this.gridRes)]; - } - }, { - key: 'i2toi1', + // Convert from 1D index to 3D indices + value: function i1toi3(i1) { + // [i % w, i % (h * w)) / w, i / (h * w)] - // Convert from 2D indices to 1D - value: function i2toi1(ix, iy) { - return ix + iy * this.gridRes; + // @note: ~~ is a fast substitute for Math.floor() + return [i1 % this.res, ~~(i1 % this.res2 / this.res), ~~(i1 / this.res2)]; } }, { - key: 'i2toPos', + key: 'i3toi1', - // Convert from 2D indices to 2D positions - value: function i2toPos(i2) { - return new THREE.Vector3(i2[0] * this.cellWidth + this.origin.x, i2[1] * this.cellHeight + this.origin.y, 0); - } - }, { - key: 'pos2i', + // Convert from 3D indices to 1 1D + value: function i3toi1(i3x, i3y, i3z) { + // [x + y * w + z * w * h] - // Convert from position to 2D indices - value: function pos2i(vec2) { - var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth); - var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight); - return this.i2toi1(x, y); + return i3x + i3y * this.res + i3z * this.res2; } }, { - key: 'initGrid', - value: function initGrid() { - var x = 0; - for (var k = 0; k < this.num_obs; k++) { - var x1 = Math.random() * this.gridRes * this.cellWidth; - var y1 = Math.random() * this.gridRes * this.cellHeight; - this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random() + 0.1)); - var geometry = new THREE.CylinderGeometry(this.obstacles[k].radius, this.obstacles[k].radius, 1, 16).rotateX(Math.PI / 2); - var material = new THREE.MeshBasicMaterial({ color: 0x4411bb }); - this.obstacles[k].mesh = new THREE.Mesh(geometry, material); - this.obstacles[k].mesh.position.set(x1, y1, 0); - this.scene.add(this.obstacles[k].mesh); - } - for (var i = 0; i < this.gridRes2; i++) { - var i2 = this.i1toi2(i); - var pos = this.i2toPos(i2); - var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles); - this.grid.push(cell); - for (var j = 0; j < cell.markers.length; j++) { - this.m_positions[x++] = cell.markers[j].pos.x; - this.m_positions[x++] = cell.markers[j].pos.y; - this.m_positions[x++] = 0; - } - } - this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); - this.markerGeo.computeBoundingSphere(); + key: 'i3toPos', + + + // Convert from 3D indices to 3D positions + value: function i3toPos(i3) { + + return new THREE.Vector3(i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth, i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight, i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth); } }, { - key: 'initAgents', - value: function initAgents() { - switch (this.scenario) { - case 'line': - var num = 0; - for (var i = 0; i < this.numAgents / 2; i++) { - var ypos = 2 * this.gridHeight * i / this.numAgents; - var posL = new THREE.Vector3(0.1, ypos, 0); - var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); - var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); - var destL = new THREE.Vector3(0.1, ypos, 0); - var hitL = false;var hitR = false; - var j = 0; - while (!hit && j < this.num_obs) { - var distL = (0, _agent3.distance)(posL, this.obstacles[j].pos); - var distR = (0, _agent3.distance)(posR, this.obstacles[j].pos); - if (distL < this.obstacles[j].radius) hitL = true; - if (distR < this.obstacles[j].radius) hitR = true; - j++; - } - if (!hitL) { - posL.add(this.origin); - destR.add(this.origin); - var index = this.pos2i(posL); - var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x); - var agent = new _agent2.default(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers); - this.select(agent); - this.agents.push(agent); - this.scene.add(agent.mesh); - if (this.debug) this.scene.add(agent.circle); - num++; - } - if (!hitR && num < this.numAgents) { - posR.add(this.origin); - destL.add(this.origin); - var index = this.pos2i(posR); - var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x); - var agent = new _agent2.default(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); - this.select(agent); - this.agents.push(agent); - this.scene.add(agent.mesh); - if (this.debug) this.scene.add(agent.circle); - num++; - } - } - break; - case 'quad': - for (var i = 0; i < this.numAgents; i++) { - var quad = i % 4; - var xpos = Math.pow(-1, quad) * (Math.random() / 2 + 0.5) * this.gridWidth / 2; - var ypos = (quad < 2 ? -1 : 1) * (Math.random() / 2 + 0.5) * this.gridHeight / 2; - var pos = new THREE.Vector3(xpos, ypos, 0); - var dest = new THREE.Vector3(-0.9 * Math.sign(xpos) * this.gridWidth / 2, -0.9 * Math.sign(ypos) * this.gridHeight / 2, 0); - var hit = false; - var j = 0; - while (!hit && j < this.num_obs) { - var dist = (0, _agent3.distance)(new THREE.Vector3(pos.x + this.gridWidth / 2, pos.y + this.gridHeight / 2, 0), this.obstacles[j].pos); - if (dist < this.obstacles[j].radius) hit = true; - j++; - } - if (!hit) { - var offset = new THREE.Vector3(this.gridWidth / 2, this.gridHeight / 2, 0); - pos.add(offset); - dest.add(offset); - var index = this.pos2i(pos); - var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); - var agent = new _agent2.default(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers); - this.select(agent); - this.agents.push(agent); - this.scene.add(agent.mesh); - if (this.debug) this.scene.add(agent.circle); - } - } - break; - default: - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); - var hit = true; - while (hit) { - hit = false; - for (var j = 0; j < this.num_obs; j++) { - var dist = (0, _agent3.distance)(pos, this.obstacles[j].pos); - if (dist < this.obstacles[j].radius) { - hit = true; - pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); - } - } - } - var dest = new THREE.Vector3(2, 2, 0); - } - } + key: 'setupCells', + value: function setupCells() { - // disassociate markers and agents + // Allocate voxels based on our grid resolution + this.voxels = []; + for (var i = 0; i < this.res3; i++) { + var i3 = this.i1toi3(i); - }, { - key: 'clear', - value: function clear() { - for (var i = 0; i < this.agents.length; i++) { - for (var j = 0; j < this.agents[i].markers.length; j++) { - this.agents[i].markers[j].owner = null; - this.agents[i].markers[j].weight = 0; + var _i3toPos = this.i3toPos(i3), + x = _i3toPos.x, + y = _i3toPos.y, + z = _i3toPos.z; + + var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth); + this.voxels.push(voxel); + + if (VISUAL_DEBUG) { + this.scene.add(voxel.wireframe); + this.scene.add(voxel.mesh); } - this.agents[i].markers = []; } } }, { - key: 'select', - value: function select() { - var claimed = []; - // every agent - for (var k = 0; k < this.agents.length; k++) { - var agent = this.agents[k]; - // check neighboring grid cells - var i2 = this.i1toi2(agent.index); - var min0 = Math.min(Math.max(0, i2[0] - 1), this.gridRes);var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); - var min1 = Math.min(Math.max(0, i2[1] - 1), this.gridRes);var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); - for (var i = min0; i < max0; i++) { - for (var j = min1; j < max1; j++) { - var grid = this.grid[this.i2toi1(i, j)]; - // for every marker in the grid - for (var g = 0; g < grid.markers.length; g++) { - var mark = grid.markers[g]; - // within personal bubble - var dist = (0, _agent3.distance)(mark.pos, agent.pos); - if (dist < agent.radius) { - claimed.push(mark); - mark.owner = agent; - if (mark.owner) { - // choose closest owner - var dist_old = (0, _agent3.distance)(mark.owner.pos, mark.pos); - if (dist_old > dist) mark.owner = agent; - } - } - } - } - } - } - for (var c = 0; c < claimed.length; c++) { - claimed[c].owner.markers.push(claimed[c]); + key: 'setupMetaballs', + value: function setupMetaballs() { + + var x, y, z, vx, vy, vz, radius, pos, vel; + var matLambertWhite = LAMBERT_WHITE; + var maxRadiusTRippled = this.maxRadius * 3; + var maxRadiusDoubled = this.maxRadius * 2; + + // Randomly generate metaballs with different sizes and velocities + for (var i = 0; i < this.numMetaballs; i++) { + x = this.gridWidth / 2; + y = this.gridHeight / 2; + z = this.gridDepth / 2; + pos = new THREE.Vector3(3, 3, 3); + + vx = 0; + vy = (Math.random() * 2 - 1) * this.maxSpeedY / 10; + vz = 0; + vel = new THREE.Vector3(vx, vy, vz); + + radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius; + var neg = 1; + if (Math.random() > 0.75) neg = -1; + var ball = new _metaball2.default(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG); + balls.push(ball); + + // if (VISUAL_DEBUG) { + // this.scene.add(ball.mesh); + // } } + this.balls = balls; } }, { key: 'update', value: function update() { - if (this.isPaused) return; - // pick markers and compute velocity - this.clear(); - this.select(); - - // advect - for (var i = 0; i < this.agents.length; i++) { - this.agents[i].update(); - this.agents[i].index = this.pos2i(this.agents[i].pos); + + if (this.isPaused) { + return; } + + // This should move the metaballs + balls.forEach(function (ball) { + ball.update(); + }); + this.balls = balls; + + for (var c = 0; c < this.res3; c++) { + // every voxel + + // Sampling the center and vertex points + this.voxels[c].center.isovalue = sample(this.voxels[c].center.pos); + for (var i = 0; i < 8; i++) { + this.voxels[c].corners[i].isovalue = sample(this.voxels[c].corners[i].pos); + } + + // Visualizing grid + if (VISUAL_DEBUG && this.showGrid) { + + // Toggle voxels on or off + if (this.voxels[c].center.isovalue > this.isolevel) { + this.voxels[c].show(); + } else { + this.voxels[c].hide(); + } + this.voxels[c].center.updateLabel(this.camera); + } else { + this.voxels[c].center.clearLabel(); + } + } + + this.updateMesh(); } }, { key: 'pause', @@ -48407,82 +48489,257 @@ }, { key: 'show', value: function show() { - this.scene.add(this.markerPoints); - for (var i = 0; i < this.agents.length; i++) { - this.scene.add(this.agents[i].lines); - this.scene.add(this.agents[i].circle); + for (var i = 0; i < this.res3; i++) { + this.voxels[i].show(); } + this.showGrid = true; } }, { key: 'hide', value: function hide() { - this.scene.remove(this.markerPoints); - for (var i = 0; i < this.agents.length; i++) { - this.scene.remove(this.agents[i].lines); - this.scene.remove(this.agents[i].circle); + for (var i = 0; i < this.res3; i++) { + this.voxels[i].hide(); + } + this.showGrid = false; + } + }, { + key: 'makeMesh', + value: function makeMesh() { + // @TODO + var geo = new THREE.Geometry(); + this.mesh = new THREE.Mesh(geo, LAVA_MAT); + this.mesh.geometry.dynamic = true; + this.scene.add(this.mesh); + } + }, { + key: 'updateMesh', + value: function updateMesh() { + // @TODO + var vertices = []; + var faces = []; + var count = 0; + for (var i = 0; i < this.res3; i++) { + var vox_count = 0; + var vANDn = this.voxels[i].polygonize(this.isolevel); + for (var j = 0; j < vANDn.vertPositions.length / 3; j++) { + var normals = []; + for (var k = 0; k < 3; k++) { + vertices.push(vANDn.vertPositions[vox_count]); + normals.push(vANDn.vertNormals[vox_count]); + vox_count++; + count++; + } + faces.push(new THREE.Face3(count - 3, count - 2, count - 1, normals)); + } } + this.mesh.geometry.vertices = vertices; + //this.mesh.geometry.normals = normals; + this.mesh.geometry.faces = faces; + this.mesh.geometry.verticesNeedUpdate = true; + this.mesh.geometry.normalsNeedUpdate = true; + this.mesh.geometry.elementsNeedUpdate = true; + this.mesh.geometry.computeFaceNormals(); + //console.log(this.mesh); } }]); - return BioCrowd; + return MarchingCubes; }(); - // ------------------------------------------- // + exports.default = MarchingCubes; + ; - exports.default = BioCrowd; + // ------------------------------------------- // - var GridCell = function () { - function GridCell(pos, num, w, h, obs) { - _classCallCheck(this, GridCell); + var Voxel = function () { + function Voxel(position, gridCellWidth, gridCellHeight, gridCellDepth) { + _classCallCheck(this, Voxel); - this.init(pos, num, w, h, obs); + this.init(position, gridCellWidth, gridCellHeight, gridCellDepth); } - _createClass(GridCell, [{ + _createClass(Voxel, [{ key: 'init', - value: function init(pos, num, w, h, obs) { - this.pos = pos; - this.width = w; - this.height = h; - this.markers = []; - this.obs = obs; - this.scatter(num); + value: function init(position, gridCellWidth, gridCellHeight, gridCellDepth) { + this.pos = position; + this.gridCellWidth = gridCellWidth; + this.gridCellHeight = gridCellHeight; + this.gridCellDepth = gridCellDepth; + this.corners = []; + + if (VISUAL_DEBUG) { + this.makeMesh(); + } + + this.makeInspectPoints(); + } + }, { + key: 'makeMesh', + value: function makeMesh() { + var halfGridCellWidth = this.gridCellWidth / 2.0; + var halfGridCellHeight = this.gridCellHeight / 2.0; + var halfGridCellDepth = this.gridCellDepth / 2.0; + + var positions = new Float32Array([ + // Front face + halfGridCellWidth, halfGridCellHeight, halfGridCellDepth, halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth, -halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth, -halfGridCellWidth, halfGridCellHeight, halfGridCellDepth, + + // Back face + -halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth, -halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth, halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth, halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth]); + + var indices = new Uint16Array([0, 1, 2, 3, 4, 5, 6, 7, 0, 7, 7, 4, 4, 3, 3, 0, 1, 6, 6, 5, 5, 2, 2, 1]); + + // Buffer geometry + var geo = new THREE.BufferGeometry(); + geo.setIndex(new THREE.BufferAttribute(indices, 1)); + geo.addAttribute('position', new THREE.BufferAttribute(positions, 3)); + + // Wireframe line segments + this.wireframe = new THREE.LineSegments(geo, WIREFRAME_MAT); + this.wireframe.position.set(this.pos.x, this.pos.y, this.pos.z); + + // Green cube + geo = new THREE.BoxBufferGeometry(this.gridCellWidth, this.gridCellWidth, this.gridCellWidth); + this.mesh = new THREE.Mesh(geo, LAMBERT_GREEN); + this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); + } + }, { + key: 'makeInspectPoints', + value: function makeInspectPoints() { + var w = this.gridCellWidth / 2.0; + var h = this.gridCellHeight / 2.0; + var d = this.gridCellDepth / 2.0; + var x = this.pos.x; + var y = this.pos.y; + var z = this.pos.z; + var red = 0xff0000; + + // Center dot + this.center = new _inspect_point2.default(new THREE.Vector3(x, y, z), 0, VISUAL_DEBUG); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y - h, z - d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y - h, z - d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y - h, z + d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y - h, z + d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y + h, z - d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y + h, z - d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y + h, z + d), 0, VISUAL_DEBUG)); + this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y + h, z + d), 0, VISUAL_DEBUG)); + } + }, { + key: 'show', + value: function show() { + if (this.mesh) { + this.mesh.visible = true; + } + if (this.wireframe) { + this.wireframe.visible = true; + } } + }, { + key: 'hide', + value: function hide() { + if (this.mesh) { + this.mesh.visible = false; + } - // stratified sampling + if (this.wireframe) { + this.wireframe.visible = false; + } + if (this.center) { + this.center.clearLabel(); + } + } }, { - key: 'scatter', - value: function scatter(num) { - var sqrtVal = Math.floor(Math.sqrt(num)); - var invSqrtVal = 1.0 / sqrtVal; - var samples = sqrtVal * sqrtVal; - for (var i = 0; i < samples; i++) { - var y = i / sqrtVal; - var x = i % sqrtVal; - var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, (y + Math.random()) * invSqrtVal * this.height, 0); - loc.add(this.pos); - var obs_hit = false; - for (var j = 0; j < this.obs.length; j++) { - var x1 = this.obs[j].pos.x - loc.x;var y1 = this.obs[j].pos.y - loc.y; - var dist = Math.sqrt(x1 * x1 + y1 * y1); - if (dist < this.obs[j].radius) { - obs_hit = true; - } + key: 'vertexLerp', + value: function vertexLerp(isolevel, posA, posB) { + var t = (isolevel - posA.isovalue) / (posB.isovalue - posA.isovalue); + var lerpPos = new THREE.Vector3(); + return lerpPos.lerpVectors(posA.pos, posB.pos, t); + } + + // returns an array of points on the cube edges + // null if no point exists for an edge + + }, { + key: 'edgePoints', + value: function edgePoints(edges, x) { + var points = [null, null, null, null, null, null, null, null, null, null, null, null]; + if (edges & 1) points[0] = this.vertexLerp(x, this.corners[0], this.corners[1]); + if (edges & 2) points[1] = this.vertexLerp(x, this.corners[1], this.corners[2]); + if (edges & 4) points[2] = this.vertexLerp(x, this.corners[2], this.corners[3]); + if (edges & 8) points[3] = this.vertexLerp(x, this.corners[3], this.corners[0]); + if (edges & 16) points[4] = this.vertexLerp(x, this.corners[4], this.corners[5]); + if (edges & 32) points[5] = this.vertexLerp(x, this.corners[5], this.corners[6]); + if (edges & 64) points[6] = this.vertexLerp(x, this.corners[6], this.corners[7]); + if (edges & 128) points[7] = this.vertexLerp(x, this.corners[7], this.corners[4]); + if (edges & 256) points[8] = this.vertexLerp(x, this.corners[4], this.corners[0]); + if (edges & 512) points[9] = this.vertexLerp(x, this.corners[5], this.corners[1]); + if (edges & 1024) points[10] = this.vertexLerp(x, this.corners[6], this.corners[2]); + if (edges & 2048) points[11] = this.vertexLerp(x, this.corners[7], this.corners[3]); + return points; + } + }, { + key: 'getNormal', + value: function getNormal(point) { + var x0 = new THREE.Vector3(point.x - episolon, point.y, point.z); + var x1 = new THREE.Vector3(point.x + episolon, point.y, point.z); + var x = sample(x1) - sample(x0); + var y0 = new THREE.Vector3(point.x, point.y - episolon, point.z); + var y1 = new THREE.Vector3(point.x, point.y + episolon, point.z); + var y = sample(y1) - sample(y0); + var z0 = new THREE.Vector3(point.x, point.y, point.z - episolon); + var z1 = new THREE.Vector3(point.x, point.y, point.z + episolon); + var z = sample(z1) - sample(z0); + var n = new THREE.Vector3(x, y, z); + return n.normalize(); + } + }, { + key: 'polygonize', + value: function polygonize(isolevel) { + + var vertexList = []; + var normalList = []; + var faceList = []; + + // get corner vertices that are inside metaballs + var corner = 1; + var allVert = 0; + for (var i = 0; i < 8; i++) { + if (this.corners[i].isovalue > isolevel) { + allVert |= corner; } - if (!obs_hit) { - var mark = new Marker(loc); - this.markers.push(mark); + corner = corner << 1; + } + + if (allVert != 0) { + // get intersected edges + var edges = _marching_cube_LUT2.default.EDGE_TABLE[allVert]; + + // get 12 points + var points = this.edgePoints(edges, isolevel); + + for (var j = 0; j < 16; j++) { + var tri = _marching_cube_LUT2.default.TRI_TABLE[allVert * 16 + j]; + if (tri < 0) break; + var vertex = points[tri]; + vertexList.push(vertex); + normalList.push(this.getNormal(vertex)); } } + + return { + vertPositions: vertexList, + vertNormals: normalList + }; } }]); - return GridCell; + return Voxel; }(); /***/ }, -/* 9 */ +/* 12 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; @@ -48493,103 +48750,541 @@ var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - exports.distance = distance; - function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - var THREE = __webpack_require__(6); - - var a_mat = new THREE.MeshBasicMaterial({ color: 0xdddddd }); - var left_mat = new THREE.MeshBasicMaterial({ color: 0xffff00 }); - var right_mat = new THREE.MeshBasicMaterial({ color: 0x0000ff }); - var top_mat = new THREE.MeshBasicMaterial({ color: 0x00ffff }); - var bot_mat = new THREE.MeshBasicMaterial({ color: 0xff00ff }); + var THREE = __webpack_require__(2); - function distance(x, y) { - var x1 = x.x - y.x;var y1 = x.y - y.y; - return Math.sqrt(x1 * x1 + y1 * y1); - } + var SPHERE_GEO = new THREE.SphereBufferGeometry(1, 32, 32); + var LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x9EB3D8, transparent: true, opacity: 0.5 }); - var Agent = function () { - function Agent(pos, i, ori, goal, radius, geo, left, l_mat, max) { - _classCallCheck(this, Agent); + var Metaball = function () { + function Metaball(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug) { + _classCallCheck(this, Metaball); - this.init(pos, i, ori, goal, radius, geo, left, l_mat, max); + this.init(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug); } - _createClass(Agent, [{ + _createClass(Metaball, [{ key: 'init', - value: function init(pos, i, ori, goal, radius, geo, left, l_mat, max) { + value: function init(pos, radius, vel, neg, gridWidth, gridHeight, gridDepth, visualDebug) { + this.gridWidth = gridWidth; + this.gridHeight = gridHeight; + this.gridDepth = gridDepth; this.pos = pos; - this.index = i; - this.vel = new THREE.Vector3(0, 0, 0); - this.ori = ori; - this.goal = goal; + this.vel = vel; + this.neg = neg; this.radius = radius; - this.markers = []; + this.radius2 = radius * radius; + this.mesh = null; + this.debug = visualDebug; + // if (visualDebug) { + // this.makeMesh(); + // } + } + }, { + key: 'makeMesh', + value: function makeMesh() { + this.mesh = new THREE.Mesh(SPHERE_GEO, LAMBERT_WHITE); + this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); + this.mesh.scale.set(this.radius, this.radius, this.radius); + } + }, { + key: 'show', + value: function show() { + if (this.mesh) { + this.mesh.visible = true; + } + } + }, { + key: 'hide', + value: function hide() { + if (this.mesh) { + this.mesh.visible = false; + } + } + }, { + key: 'update', + value: function update() { - this.lineGeo = new THREE.BufferGeometry(); - this.l_positions = new Float32Array(max * 3); - this.lines = new THREE.LineSegments(this.lineGeo, l_mat); - this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3)); + // var cir = new THREE.Vector3(this.pos.x, 0, this.pos.z); + // var disp = new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2).sub(cir); + // var dist = cir.distanceTo(new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2)); + // if ((dist + 2*this.radius) > this.gridWidth + // || (dist + 2*this.radius) > this.gridDepth) { + // this.vel.add(disp); + // } + var y = this.pos.y + this.radius > this.gridHeight || this.pos.y + 2 * this.radius < 0; + if (y) this.vel.y *= -1; + + var date = new Date(); + var velocity = new THREE.Vector3(); + velocity.copy(this.vel).multiplyScalar(3); + this.pos.add(velocity); + + // if (x || y || z) { + // this.vel.multiplyScalar(-1); + // } + if (this.debug) this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); + } + }]); - this.lines.geometry.attributes.position.dynamic = true; - this.lines.geometry.dynamic = true; + return Metaball; + }(); - var geometry = new THREE.CircleGeometry(this.radius, 16); - if (left & 2) { - var material = left & 1 ? left_mat : right_mat; - } else { - var material = left & 1 ? top_mat : bot_mat; - } + exports.default = Metaball; + +/***/ }, +/* 13 */ +/***/ function(module, exports, __webpack_require__) { + + 'use strict'; - this.circle = new THREE.Mesh(geometry, a_mat); - this.circle.position.set(pos.x, pos.y, 0); - this.circle.geometry.verticesNeedUpdate = true; + Object.defineProperty(exports, "__esModule", { + value: true + }); - this.mesh = new THREE.Mesh(geo, material); - this.mesh.position.set(pos.x, pos.y, 0); - this.mesh.geometry.verticesNeedUpdate = true; + var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + + function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + + var THREE = __webpack_require__(2); + + var POINT_MATERIAL = new THREE.PointsMaterial({ color: 0xee1111, size: 10, sizeAttenuation: true }); + + var InspectPoint = function () { + function InspectPoint(pos, isovalue, visualDebug) { + _classCallCheck(this, InspectPoint); + + this.init(pos, isovalue, visualDebug); + } + + _createClass(InspectPoint, [{ + key: 'init', + value: function init(pos, isovalue, visualDebug) { + this.pos = pos; + this.isovalue = isovalue; + this.label = null; + + if (visualDebug) { + this.makeLabel(); + } } }, { - key: 'update', - value: function update() { - // update velocity - this.l_positions.fill(0); - var weight = 0;var ind = 0; - this.vel.x = 0;this.vel.y = 0;this.vel.z = 0; - if (distance(this.pos, this.goal) > 0.01) { - for (var i = 0; i < this.markers.length; i++) { - var mark = this.markers[i]; - var dist = distance(mark.pos, this.pos); - - var G = this.goal.clone().sub(this.pos).normalize(); - var m = mark.pos.clone().sub(this.pos); - var theta = G.dot(m.clone().normalize()); - mark.weight = (1 + theta) / (1 + dist); - weight += mark.weight; - this.vel.add(m.multiplyScalar(mark.weight)); - - this.l_positions[ind++] = mark.pos.x;this.l_positions[ind++] = mark.pos.y;this.l_positions[ind++] = 0; - this.l_positions[ind++] = this.pos.x;this.l_positions[ind++] = this.pos.y;this.l_positions[ind++] = 0; - } - if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight); - this.vel.clampLength(-this.radius, this.radius); + key: 'makeLabel', + + + // Create an HTML div for holding label + value: function makeLabel() { + this.label = document.createElement('div'); + this.label.style.position = 'absolute'; + this.label.style.width = 100; + this.label.style.height = 100; + this.label.style.userSelect = 'none'; + this.label.style.cursor = 'default'; + this.label.style.fontSize = '0.3em'; + this.label.style.pointerEvents = 'none'; + document.body.appendChild(this.label); + } + }, { + key: 'updateLabel', + value: function updateLabel(camera) { + if (this.label) { + var screenPos = this.pos.clone().project(camera); + screenPos.x = (screenPos.x + 1) / 2 * window.innerWidth;; + screenPos.y = -(screenPos.y - 1) / 2 * window.innerHeight;; + + this.label.style.top = screenPos.y + 'px'; + this.label.style.left = screenPos.x + 'px'; + this.label.innerHTML = this.isovalue.toFixed(2); + this.label.style.opacity = this.isovalue - 0.5; + } + } + }, { + key: 'clearLabel', + value: function clearLabel() { + if (this.label) { + this.label.innerHTML = ''; + this.label.style.opacity = 0; } - - // update position - this.pos.add(this.vel); - this.mesh.position.set(this.pos.x, this.pos.y, 0); - this.circle.position.set(this.pos.x, this.pos.y, 0); - this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length); - this.lines.geometry.attributes.position.needsUpdate = true; } }]); - return Agent; + return InspectPoint; }(); - exports.default = Agent; + exports.default = InspectPoint; + +/***/ }, +/* 14 */ +/***/ function(module, exports) { + + module.exports = "\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normalMatrix * normal;\r\n e_position = normalize(vec3((modelViewMatrix * vec4(position, 1.0)).rgb));\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}" + +/***/ }, +/* 15 */ +/***/ function(module, exports) { + + module.exports = "\r\nuniform sampler2D texture;\r\nuniform vec3 u_ambient;\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\nvoid main() {\r\n\tvec3 ref = reflect(e_position, f_normal);\r\n\tfloat m = 2.0 * sqrt(pow(ref.x, 2.0) + pow(ref.y, 2.0) + pow(ref.z + 1.0, 2.0));\r\n float x = f_normal.x/m + 0.5;\r\n float y = f_normal.y/m + 0.5;\r\n\r\n vec4 color = texture2D(texture, vec2(x,y));\r\n\r\n gl_FragColor = vec4(color.rgb * u_lightCol * u_lightIntensity + u_ambient, 1.0);\r\n}" + +/***/ }, +/* 16 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__.p + "index.html"; + +/***/ }, +/* 17 */ +/***/ function(module, exports) { + + 'use strict'; + + module.exports = function (THREE) { + + /** + * @author mrdoob / http://mrdoob.com/ + */ + THREE.OBJLoader = function (manager) { + + this.manager = manager !== undefined ? manager : THREE.DefaultLoadingManager; + }; + + THREE.OBJLoader.prototype = { + + constructor: THREE.OBJLoader, + + load: function load(url, onLoad, onProgress, onError) { + + var scope = this; + + var loader = new THREE.XHRLoader(scope.manager); + loader.load(url, function (text) { + + onLoad(scope.parse(text)); + }, onProgress, onError); + }, + + parse: function parse(text) { + + console.time('OBJLoader'); + + var object, + objects = []; + var geometry, material; + + function parseVertexIndex(value) { + + var index = parseInt(value); + + return (index >= 0 ? index - 1 : index + vertices.length / 3) * 3; + } + + function parseNormalIndex(value) { + + var index = parseInt(value); + + return (index >= 0 ? index - 1 : index + normals.length / 3) * 3; + } + + function parseUVIndex(value) { + + var index = parseInt(value); + + return (index >= 0 ? index - 1 : index + uvs.length / 2) * 2; + } + + function addVertex(a, b, c) { + + geometry.vertices.push(vertices[a], vertices[a + 1], vertices[a + 2], vertices[b], vertices[b + 1], vertices[b + 2], vertices[c], vertices[c + 1], vertices[c + 2]); + } + + function addNormal(a, b, c) { + + geometry.normals.push(normals[a], normals[a + 1], normals[a + 2], normals[b], normals[b + 1], normals[b + 2], normals[c], normals[c + 1], normals[c + 2]); + } + + function addUV(a, b, c) { + + geometry.uvs.push(uvs[a], uvs[a + 1], uvs[b], uvs[b + 1], uvs[c], uvs[c + 1]); + } + + function addFace(a, b, c, d, ua, ub, uc, ud, na, nb, nc, nd) { + + var ia = parseVertexIndex(a); + var ib = parseVertexIndex(b); + var ic = parseVertexIndex(c); + var id; + + if (d === undefined) { + + addVertex(ia, ib, ic); + } else { + + id = parseVertexIndex(d); + + addVertex(ia, ib, id); + addVertex(ib, ic, id); + } + + if (ua !== undefined) { + + ia = parseUVIndex(ua); + ib = parseUVIndex(ub); + ic = parseUVIndex(uc); + + if (d === undefined) { + + addUV(ia, ib, ic); + } else { + + id = parseUVIndex(ud); + + addUV(ia, ib, id); + addUV(ib, ic, id); + } + } + + if (na !== undefined) { + + ia = parseNormalIndex(na); + ib = parseNormalIndex(nb); + ic = parseNormalIndex(nc); + + if (d === undefined) { + + addNormal(ia, ib, ic); + } else { + + id = parseNormalIndex(nd); + + addNormal(ia, ib, id); + addNormal(ib, ic, id); + } + } + } + + // create mesh if no objects in text + + if (/^o /gm.test(text) === false) { + + geometry = { + vertices: [], + normals: [], + uvs: [] + }; + + material = { + name: '' + }; + + object = { + name: '', + geometry: geometry, + material: material + }; + + objects.push(object); + } + + var vertices = []; + var normals = []; + var uvs = []; + + // v float float float + + var vertex_pattern = /v( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; + + // vn float float float + + var normal_pattern = /vn( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; + + // vt float float + + var uv_pattern = /vt( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; + + // f vertex vertex vertex ... + + var face_pattern1 = /f( +-?\d+)( +-?\d+)( +-?\d+)( +-?\d+)?/; + + // f vertex/uv vertex/uv vertex/uv ... + + var face_pattern2 = /f( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))?/; + + // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ... + + var face_pattern3 = /f( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))?/; + + // f vertex//normal vertex//normal vertex//normal ... + + var face_pattern4 = /f( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))?/; + + // + + var lines = text.split('\n'); + + for (var i = 0; i < lines.length; i++) { + + var line = lines[i]; + line = line.trim(); + + var result; + + if (line.length === 0 || line.charAt(0) === '#') { + + continue; + } else if ((result = vertex_pattern.exec(line)) !== null) { + + // ["v 1.0 2.0 3.0", "1.0", "2.0", "3.0"] + + vertices.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3])); + } else if ((result = normal_pattern.exec(line)) !== null) { + + // ["vn 1.0 2.0 3.0", "1.0", "2.0", "3.0"] + + normals.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3])); + } else if ((result = uv_pattern.exec(line)) !== null) { + + // ["vt 0.1 0.2", "0.1", "0.2"] + + uvs.push(parseFloat(result[1]), parseFloat(result[2])); + } else if ((result = face_pattern1.exec(line)) !== null) { + + // ["f 1 2 3", "1", "2", "3", undefined] + + addFace(result[1], result[2], result[3], result[4]); + } else if ((result = face_pattern2.exec(line)) !== null) { + + // ["f 1/1 2/2 3/3", " 1/1", "1", "1", " 2/2", "2", "2", " 3/3", "3", "3", undefined, undefined, undefined] + + addFace(result[2], result[5], result[8], result[11], result[3], result[6], result[9], result[12]); + } else if ((result = face_pattern3.exec(line)) !== null) { + + // ["f 1/1/1 2/2/2 3/3/3", " 1/1/1", "1", "1", "1", " 2/2/2", "2", "2", "2", " 3/3/3", "3", "3", "3", undefined, undefined, undefined, undefined] + + addFace(result[2], result[6], result[10], result[14], result[3], result[7], result[11], result[15], result[4], result[8], result[12], result[16]); + } else if ((result = face_pattern4.exec(line)) !== null) { + + // ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined] + + addFace(result[2], result[5], result[8], result[11], undefined, undefined, undefined, undefined, result[3], result[6], result[9], result[12]); + } else if (/^o /.test(line)) { + + geometry = { + vertices: [], + normals: [], + uvs: [] + }; + + material = { + name: '' + }; + + object = { + name: line.substring(2).trim(), + geometry: geometry, + material: material + }; + + objects.push(object); + } else if (/^g /.test(line)) { + + // group + + } else if (/^usemtl /.test(line)) { + + // material + + material.name = line.substring(7).trim(); + } else if (/^mtllib /.test(line)) { + + // mtl file + + } else if (/^s /.test(line)) { + + // smooth shading + + } else { + + // console.log( "THREE.OBJLoader: Unhandled line " + line ); + + } + } + + var container = new THREE.Object3D(); + var l; + + for (i = 0, l = objects.length; i < l; i++) { + + object = objects[i]; + geometry = object.geometry; + + var buffergeometry = new THREE.BufferGeometry(); + + buffergeometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(geometry.vertices), 3)); + + if (geometry.normals.length > 0) { + + buffergeometry.addAttribute('normal', new THREE.BufferAttribute(new Float32Array(geometry.normals), 3)); + } + + if (geometry.uvs.length > 0) { + + buffergeometry.addAttribute('uv', new THREE.BufferAttribute(new Float32Array(geometry.uvs), 2)); + } + + material = new THREE.MeshLambertMaterial({ + color: 0xff0000 + }); + material.name = object.material.name; + + var mesh = new THREE.Mesh(buffergeometry, material); + mesh.name = object.name; + + container.add(mesh); + } + + console.timeEnd('OBJLoader'); + + return container; + } + + }; + }; + +/***/ }, +/* 18 */ +/***/ function(module, exports) { + + module.exports = "varying vec3 f_normal;\r\nvarying vec3 f_position;\r\nvarying vec3 e_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normal;\r\n f_position = position;\r\n e_position = cameraPosition;\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}\r\n" + +/***/ }, +/* 19 */ +/***/ function(module, exports) { + + module.exports = "#define M_PI 3.1415926535897932384626433832795\r\n\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_position;\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\nfloat cosine(float a, float b, float c, float d, float t) {\r\n\treturn a + b * cos(2.0 * M_PI * (c * t + d));\r\n}\r\n\r\nvoid main() {\r\n\tfloat d = clamp(dot(f_normal, normalize(e_position - f_position)), 0.0, 1.0);\r\n\tvec3 rgb = mix(vec3(0.4, 0.3, 0.16), vec3(1.0, 0.3, 0.3), d);\r\n\r\n gl_FragColor = vec4(d,d,d, 1.0);\r\n}\r\n" + +/***/ }, +/* 20 */ +/***/ function(module, exports) { + + module.exports = "varying vec3 f_normal;\r\nvarying vec3 f_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normal;\r\n f_position = position;\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}\r\n" + +/***/ }, +/* 21 */ +/***/ function(module, exports) { + + module.exports = "uniform vec3 u_lightPos;\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_position;\r\nvarying vec3 f_normal;\r\n\r\nvoid main() {\r\n vec4 color = vec4(1.0, 1.0, 1.0, 1.0);\r\n float d = clamp(dot(f_normal, normalize(u_lightPos - f_position)), 0.0, 1.0);\r\n gl_FragColor = vec4(d * color.rgb * u_lightCol * u_lightIntensity, 1.0);\r\n}\r\n" + +/***/ }, +/* 22 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__.p + "./assets/glass-5b14a7.obj"; + +/***/ }, +/* 23 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__.p + "./assets/lamp-1bcc16.obj"; /***/ } /******/ ]); diff --git 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0923a87d1ef83cc7447f","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n }\r\n }\r\n }\r\n var dest = new THREE.Vector3(2,2,0);\r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, 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true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0521d17e9dc7179e2918","require('file-loader?name=[name].[ext]!../index.html');\r\nimport {silverTexture} from './textures'\r\n//import {quote} from './quote'\r\n// Credit:\r\n// http://jamie-wong.com/2014/08/19/metaballs-and-marching-squares/\r\n// http://paulbourke.net/geometry/polygonise/\r\n\r\nconst THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\nconst OBJLoader = require('three-obj-loader');\r\nOBJLoader(THREE)\r\n\r\nimport Framework from './framework'\r\nimport LUT from './marching_cube_LUT.js'\r\nimport MarchingCubes from './marching_cubes.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_ISO_LEVEL = 1.0;\r\nconst DEFAULT_GRID_RES = 30;\r\nconst DEFAULT_GRID_WIDTH = 6;\r\nconst DEFAULT_GRID_HEIGHT = 17;\r\nconst DEFAULT_GRID_DEPTH = 6;\r\nconst DEFAULT_NUM_METABALLS = 7;\r\nconst DEFAULT_MIN_RADIUS = 0.5;\r\nconst DEFAULT_MAX_RADIUS = 1;\r\nconst DEFAULT_MAX_SPEEDX = 0.005;\r\nconst DEFAULT_MAX_SPEEDY = 0.3;\r\n\r\nvar options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'};\r\nvar loaded = false;\r\nvar red = new THREE.Color(1.0,0.0,0.0);\r\nvar green = new THREE.Color(0.0,1.0,0.0);\r\nvar glassGeo;\r\nvar lampGeo;\r\n\r\n// glass, emissive, iridescent\r\nvar g_mat = {\r\n uniforms: {\r\n u_albedo: {type: 'v3', value: new THREE.Color(options.albedo)},\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/glass-vert.glsl'),\r\n fragmentShader: require('./shaders/glass-frag.glsl')\r\n};\r\n\r\n// metal\r\nvar m_mat = {\r\n uniforms: {\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/metal-vert.glsl'),\r\n fragmentShader: require('./shaders/metal-frag.glsl')\r\n};\r\n\r\n//const GLASS_MAT = new THREE.ShaderMaterial(g_mat);\r\nvar GLASS_MAT = new THREE.MeshLambertMaterial({ color: 0xffffff, emissive: 0xff0000, transparent: true, opacity: 0.3});\r\nvar METAL_MAT = new THREE.MeshPhongMaterial({ color: 0xffffff, emissive: 0x111111});\r\n\r\nvar App = {\r\n //\r\n marchingCubes: undefined,\r\n config: {\r\n // Global control of all visual debugging.\r\n // This can be set to false to disallow any memory allocation of visual debugging components.\r\n // **Note**: If your application experiences performance drop, disable this flag.\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n\r\n // The isolevel for marching cubes\r\n isolevel: DEFAULT_ISO_LEVEL,\r\n\r\n // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid\r\n gridRes: DEFAULT_GRID_RES,\r\n\r\n // Total width of grid\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n gridDepth: DEFAULT_GRID_DEPTH,\r\n\r\n // Width of each voxel\r\n // Ideally, we want the voxel to be small (higher resolution)\r\n gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES,\r\n gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES,\r\n gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES,\r\n\r\n // Number of metaballs\r\n numMetaballs: DEFAULT_NUM_METABALLS,\r\n\r\n // Minimum radius of a metaball\r\n minRadius: DEFAULT_MIN_RADIUS,\r\n\r\n // Maxium radius of a metaball\r\n maxRadius: DEFAULT_MAX_RADIUS,\r\n\r\n // Maximum speed of a metaball\r\n maxSpeedX: DEFAULT_MAX_SPEEDX,\r\n maxSpeedY: DEFAULT_MAX_SPEEDY,\r\n maxSpeedZ: DEFAULT_MAX_SPEEDX, \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n\r\n // Play/pause control for the simulation\r\n isPaused: false,\r\n color: 0xffffff\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n //scene.add(new THREE.AxisHelper(20));\r\n\r\n var objLoader = new THREE.OBJLoader();\r\n var obj = objLoader.load(require('./assets/glass.obj'), function(obj) {\r\n glassGeo = obj.children[0].geometry;\r\n var glass = new THREE.Mesh(glassGeo, GLASS_MAT);\r\n glass.translateX(-1.5);\r\n glass.translateZ(-1.5);\r\n App.scene.add(glass);\r\n loaded = true;\r\n });\r\n\r\n var obj = objLoader.load(require('./assets/lamp.obj'), function(obj) {\r\n lampGeo = obj.children[0].geometry;\r\n var lamp = new THREE.Mesh(lampGeo, METAL_MAT);\r\n lamp.translateX(-1.5);\r\n lamp.translateZ(-1.5);\r\n App.scene.add(lamp);\r\n });\r\n\r\n setupCamera(App.camera);\r\n setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\nfunction cosine(a,b,c,d,t) {\r\n return a + b * Math.cos(2.0 * Math.PI * (c * t + d));\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (loaded) {\r\n var date = new Date();\r\n var sec = date.getSeconds();\r\n var r = cosine(0.5, 0.5, 1.0, 0.0, sec/60.0);\r\n var g = cosine(0.5, 0.5, 1.0, 0.33, sec/60.0);\r\n var b = cosine(0.5, 0.5, 1.0, 0.67, sec/60.0); \r\n GLASS_MAT.emissive.set(new THREE.Color(r,g,b));\r\n }\r\n if (App.marchingCubes) {\r\n App.marchingCubes.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(25, 10, 25);\r\n camera.lookAt(new THREE.Vector3(1,0,1));\r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n App.marchingCubes = new MarchingCubes(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage\r\n\r\n gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'minRadius', 0, 1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'maxRadius', 1, 2).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'maxSpeedY', 0, 1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'isolevel', 0, 2).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'gridRes', 1, 40).step(1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\n// this file is just for convenience. it sets up loading the mario obj and texture\r\n\r\nconst THREE = require('three');\r\n\r\nexport var silverTexture = new Promise((resolve, reject) => {\r\n (new THREE.TextureLoader()).load(require('./assets/silver.bmp'), function(texture) {\r\n resolve(texture);\r\n })\r\n})\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/textures.js","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 2\n// module chunks = 0","module.exports = __webpack_public_path__ + \"./assets/silver-3da470.bmp\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/assets/silver.bmp\n// module id = 3\n// module chunks = 0","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 5\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 6\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 7\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 8\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 9\n// module chunks = 0","/////////////////////////////////////\r\n// Marching cubes lookup tables\r\n/////////////////////////////////////\r\n\r\n// Got these tables from https://www.clicktorelease.com/code/bumpy-metaballs/\r\n// These tables are straight from Paul Bourke's page:\r\n// http://local.wasp.uwa.edu.au/~pbourke/geometry/polygonise/\r\n// who in turn got them from Cory Gene Bloyd.\r\n\r\nvar EDGE_TABLE = new Int32Array([\r\n 0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c,\r\n 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,\r\n 0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c,\r\n 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,\r\n 0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c,\r\n 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,\r\n 0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac,\r\n 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,\r\n 0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c,\r\n 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,\r\n 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc,\r\n 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,\r\n 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c,\r\n 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,\r\n 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc,\r\n 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,\r\n 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc,\r\n 0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,\r\n 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c,\r\n 0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,\r\n 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc,\r\n 0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,\r\n 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c,\r\n 0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460,\r\n 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac,\r\n 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0,\r\n 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c,\r\n 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230,\r\n 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c,\r\n 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190,\r\n 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c,\r\n 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0\r\n])\r\n\r\nvar TRI_TABLE = new Int32Array([\r\n -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1,\r\n 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1,\r\n 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1,\r\n 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1,\r\n 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1,\r\n 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1,\r\n 10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1,\r\n 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1,\r\n 5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1,\r\n 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1,\r\n 2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1,\r\n 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1,\r\n 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1,\r\n 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1,\r\n 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1,\r\n 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1,\r\n 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1,\r\n 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1,\r\n 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1,\r\n 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1,\r\n 6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1,\r\n 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1,\r\n 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1,\r\n 3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1,\r\n 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1,\r\n 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1,\r\n 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1,\r\n 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1,\r\n 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1,\r\n 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1,\r\n 10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1,\r\n 1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1,\r\n 0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1,\r\n 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1,\r\n 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1,\r\n 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1,\r\n 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1,\r\n 3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1,\r\n 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1,\r\n 10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1,\r\n 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1,\r\n 7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1,\r\n 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1,\r\n 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1,\r\n 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1,\r\n 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1,\r\n 0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1,\r\n 7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1,\r\n 7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1,\r\n 10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1,\r\n 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1,\r\n 7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1,\r\n 6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1,\r\n 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1,\r\n 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1,\r\n 8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1,\r\n 1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1,\r\n 10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1,\r\n 10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1,\r\n 9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1,\r\n 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1,\r\n 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1,\r\n 7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1,\r\n 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1,\r\n 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1,\r\n 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1,\r\n 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1,\r\n 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1,\r\n 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1,\r\n 6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1,\r\n 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1,\r\n 6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1,\r\n 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1,\r\n 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1,\r\n 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1,\r\n 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1,\r\n 9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1,\r\n 1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1,\r\n 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1,\r\n 0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1,\r\n 11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1,\r\n 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1,\r\n 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1,\r\n 2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1,\r\n 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1,\r\n 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1,\r\n 1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1,\r\n 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1,\r\n 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1,\r\n 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1,\r\n 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1,\r\n 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1,\r\n 9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1,\r\n 5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1,\r\n 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1,\r\n 8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1,\r\n 9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1,\r\n 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1,\r\n 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1,\r\n 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1,\r\n 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1,\r\n 11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1,\r\n 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1,\r\n 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1,\r\n 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1,\r\n 1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1,\r\n 4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1,\r\n 0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1,\r\n 1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1\r\n]);\r\n\r\nexport default {\r\n EDGE_TABLE: EDGE_TABLE,\r\n TRI_TABLE: TRI_TABLE\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/marching_cube_LUT.js","const THREE = require('three');\r\nimport {silverTexture} from './textures'\r\n\r\nimport Metaball from './metaball.js';\r\nimport InspectPoint from './inspect_point.js'\r\nimport LUT from './marching_cube_LUT.js';\r\nvar VISUAL_DEBUG = true;\r\nvar episolon = 0.1;\r\nvar balls = [];\r\n\r\nvar options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111',texture: null};\r\n\r\n// lava\r\nvar l_mat = {\r\n uniforms: {\r\n texture: {type: \"t\",value: null},\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/lava-vert.glsl'),\r\n fragmentShader: require('./shaders/lava-frag.glsl')\r\n};\r\n\r\nconst LAVA_MAT = new THREE.ShaderMaterial(l_mat);\r\nconst LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x111111, emissive: 0xff0000 });\r\nconst LAMBERT_GREEN = new THREE.MeshBasicMaterial( { color: 0x00ee00, transparent: true, opacity: 0.5 });\r\nconst WIREFRAME_MAT = new THREE.LineBasicMaterial( { color: 0xffffff, linewidth: 10 } );\r\n\r\n// This function samples a point from the metaball's density function\r\n// Implement a function that returns the value of the all metaballs influence to a given point.\r\n// Please follow the resources given in the write-up for details.\r\nfunction sample(point) {\r\n var isovalue = 0.0;\r\n for (var i = 0; i < balls.length; i ++) {\r\n var r = balls[i].radius;\r\n var d = point.distanceTo(balls[i].pos);\r\n //isovalue += (r * r / (d * d)) * balls[i].neg;\r\n isovalue += (r * r / (d * d));\r\n }\r\n return isovalue;\r\n}\r\n\r\nexport default class MarchingCubes {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = false;\r\n VISUAL_DEBUG = App.config.visualDebug;\r\n\r\n // Initializing member variables.\r\n // Additional variables are used for fast computation.\r\n this.origin = new THREE.Vector3(0);\r\n\r\n this.isolevel = App.config.isolevel;\r\n this.minRadius = App.config.minRadius;\r\n this.maxRadius = App.config.maxRadius;\r\n\r\n this.gridCellWidth = App.config.gridCellWidth;\r\n this.gridCellHeight = App.config.gridCellHeight;\r\n this.gridCellDepth = App.config.gridCellDepth;\r\n this.halfCellWidth = App.config.gridCellWidth / 2.0;\r\n this.halfCellHeight = App.config.gridCellHeight / 2.0;\r\n this.halfCellDepth = App.config.gridCellDepth / 2.0;\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.gridDepth = App.config.gridDepth;\r\n\r\n this.res = App.config.gridRes;\r\n this.res2 = App.config.gridRes * App.config.gridRes;\r\n this.res3 = App.config.gridRes * App.config.gridRes * App.config.gridRes;\r\n\r\n this.maxSpeedX = App.config.maxSpeedX;\r\n this.maxSpeedY = App.config.maxSpeedY;\r\n this.maxSpeedZ = App.config.maxSpeedZ;\r\n this.numMetaballs = App.config.numMetaballs;\r\n\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n\r\n this.voxels = [];\r\n //this.labels = [];\r\n this.balls = balls;\r\n\r\n this.showSpheres = true;\r\n this.showGrid = true;\r\n\r\n silverTexture.then(function(texture) {\r\n l_mat.uniforms.texture.value = texture;\r\n });\r\n\r\n if (App.config.material) {\r\n this.material = new THREE.MeshPhongMaterial({ color: 0xff6a1d});\r\n } else {\r\n this.material = App.config.material;\r\n }\r\n\r\n this.setupCells();\r\n this.setupMetaballs();\r\n this.makeMesh();\r\n };\r\n\r\n reset() {\r\n \tthis.scene.remove(this.mesh);\r\n \tthis.balls = []; balls = [];\r\n };\r\n\r\n // Convert from 1D index to 3D indices\r\n i1toi3(i1) {\r\n\r\n // [i % w, i % (h * w)) / w, i / (h * w)]\r\n\r\n // @note: ~~ is a fast substitute for Math.floor()\r\n return [\r\n i1 % this.res,\r\n ~~ ((i1 % this.res2) / this.res),\r\n ~~ (i1 / this.res2)\r\n ];\r\n };\r\n\r\n // Convert from 3D indices to 1 1D\r\n i3toi1(i3x, i3y, i3z) {\r\n\r\n // [x + y * w + z * w * h]\r\n\r\n return i3x + i3y * this.res + i3z * this.res2;\r\n };\r\n\r\n // Convert from 3D indices to 3D positions\r\n i3toPos(i3) {\r\n\r\n return new THREE.Vector3(\r\n i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth,\r\n i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight,\r\n i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth\r\n );\r\n };\r\n\r\n setupCells() {\r\n\r\n // Allocate voxels based on our grid resolution\r\n this.voxels = [];\r\n for (var i = 0; i < this.res3; i++) {\r\n var i3 = this.i1toi3(i);\r\n var {x, y, z} = this.i3toPos(i3);\r\n var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth);\r\n this.voxels.push(voxel);\r\n\r\n if (VISUAL_DEBUG) {\r\n this.scene.add(voxel.wireframe);\r\n this.scene.add(voxel.mesh);\r\n }\r\n }\r\n }\r\n\r\n setupMetaballs() {\r\n\r\n var x, y, z, vx, vy, vz, radius, pos, vel;\r\n var matLambertWhite = LAMBERT_WHITE;\r\n var maxRadiusTRippled = this.maxRadius * 3;\r\n var maxRadiusDoubled = this.maxRadius * 2;\r\n\r\n // Randomly generate metaballs with different sizes and velocities\r\n for (var i = 0; i < this.numMetaballs; i++) {\r\n x = this.gridWidth / 2;\r\n y = this.gridHeight / 2;\r\n z = this.gridDepth / 2;\r\n pos = new THREE.Vector3(3, 3, 3);\r\n\r\n vx = 0\r\n vy = (Math.random() * 2 - 1) * this.maxSpeedY/10;\r\n vz = 0\r\n vel = new THREE.Vector3(vx, vy, vz);\r\n\r\n radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius;\r\n var neg = 1;\r\n if (Math.random()>0.75) neg = -1;\r\n var ball = new Metaball(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG);\r\n balls.push(ball);\r\n\r\n // if (VISUAL_DEBUG) {\r\n // this.scene.add(ball.mesh);\r\n // }\r\n }\r\n this.balls = balls;\r\n }\r\n\r\n update() {\r\n\r\n if (this.isPaused) {\r\n return;\r\n }\r\n\r\n // This should move the metaballs\r\n balls.forEach(function(ball) {\r\n ball.update();\r\n });\r\n this.balls = balls;\r\n\r\n for (var c = 0; c < this.res3; c++) { // every voxel\r\n\r\n // Sampling the center and vertex points\r\n this.voxels[c].center.isovalue = sample(this.voxels[c].center.pos);\r\n for (var i = 0; i < 8; i ++) {\r\n this.voxels[c].corners[i].isovalue = sample(this.voxels[c].corners[i].pos);\r\n }\r\n\r\n // Visualizing grid\r\n if (VISUAL_DEBUG && this.showGrid) {\r\n\r\n // Toggle voxels on or off\r\n if (this.voxels[c].center.isovalue > this.isolevel) {\r\n this.voxels[c].show();\r\n } else {\r\n this.voxels[c].hide();\r\n }\r\n this.voxels[c].center.updateLabel(this.camera);\r\n } else {\r\n this.voxels[c].center.clearLabel();\r\n }\r\n }\r\n\r\n this.updateMesh();\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n for (var i = 0; i < this.res3; i++) {\r\n this.voxels[i].show();\r\n }\r\n this.showGrid = true;\r\n };\r\n\r\n hide() {\r\n for (var i = 0; i < this.res3; i++) {\r\n this.voxels[i].hide();\r\n }\r\n this.showGrid = false;\r\n };\r\n\r\n makeMesh() {\r\n // @TODO\r\n var geo = new THREE.Geometry();\r\n this.mesh = new THREE.Mesh(geo, LAVA_MAT);\r\n this.mesh.geometry.dynamic = true;\r\n this.scene.add(this.mesh);\r\n }\r\n\r\n updateMesh() {\r\n // @TODO\r\n var vertices = [];\r\n var faces = [];\r\n var count = 0;\r\n for (var i = 0; i < this.res3; i ++) {\r\n var vox_count = 0;\r\n var vANDn = this.voxels[i].polygonize(this.isolevel);\r\n for (var j = 0; j < vANDn.vertPositions.length/3; j ++) {\r\n var normals = [];\r\n for (var k = 0; k < 3; k ++) {\r\n vertices.push(vANDn.vertPositions[vox_count]);\r\n normals.push(vANDn.vertNormals[vox_count]);\r\n vox_count++;\r\n count++;\r\n }\r\n faces.push(new THREE.Face3(count - 3, count - 2, count - 1, normals));\r\n }\r\n }\r\n this.mesh.geometry.vertices = vertices;\r\n //this.mesh.geometry.normals = normals;\r\n this.mesh.geometry.faces = faces;\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n this.mesh.geometry.normalsNeedUpdate = true;\r\n this.mesh.geometry.elementsNeedUpdate = true;\r\n this.mesh.geometry.computeFaceNormals();\r\n //console.log(this.mesh);\r\n }\r\n};\r\n\r\n// ------------------------------------------- //\r\n\r\nclass Voxel {\r\n\r\n constructor(position, gridCellWidth, gridCellHeight, gridCellDepth) {\r\n this.init(position, gridCellWidth, gridCellHeight, gridCellDepth);\r\n }\r\n\r\n init(position, gridCellWidth, gridCellHeight, gridCellDepth) {\r\n this.pos = position;\r\n this.gridCellWidth = gridCellWidth;\r\n this.gridCellHeight = gridCellHeight;\r\n this.gridCellDepth = gridCellDepth;\r\n this.corners = [];\r\n\r\n if (VISUAL_DEBUG) {\r\n this.makeMesh();\r\n }\r\n\r\n this.makeInspectPoints();\r\n }\r\n\r\n makeMesh() {\r\n var halfGridCellWidth = this.gridCellWidth / 2.0;\r\n var halfGridCellHeight = this.gridCellHeight / 2.0;\r\n var halfGridCellDepth = this.gridCellDepth / 2.0;\r\n\r\n var positions = new Float32Array([\r\n // Front face\r\n halfGridCellWidth, halfGridCellHeight, halfGridCellDepth,\r\n halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth,\r\n -halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth,\r\n -halfGridCellWidth, halfGridCellHeight, halfGridCellDepth,\r\n\r\n // Back face\r\n -halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth,\r\n -halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth,\r\n halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth,\r\n halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth,\r\n ]);\r\n\r\n var indices = new Uint16Array([\r\n 0, 1, 2, 3,\r\n 4, 5, 6, 7,\r\n 0, 7, 7, 4,\r\n 4, 3, 3, 0,\r\n 1, 6, 6, 5,\r\n 5, 2, 2, 1\r\n ]);\r\n\r\n // Buffer geometry\r\n var geo = new THREE.BufferGeometry();\r\n geo.setIndex( new THREE.BufferAttribute( indices, 1 ) );\r\n geo.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );\r\n\r\n // Wireframe line segments\r\n this.wireframe = new THREE.LineSegments( geo, WIREFRAME_MAT );\r\n this.wireframe.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n\r\n // Green cube\r\n geo = new THREE.BoxBufferGeometry(this.gridCellWidth, this.gridCellWidth, this.gridCellWidth);\r\n this.mesh = new THREE.Mesh( geo, LAMBERT_GREEN );\r\n this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n }\r\n\r\n makeInspectPoints() {\r\n var w = this.gridCellWidth / 2.0;\r\n var h = this.gridCellHeight / 2.0;\r\n var d = this.gridCellDepth / 2.0;\r\n var x = this.pos.x;\r\n var y = this.pos.y;\r\n var z = this.pos.z;\r\n var red = 0xff0000;\r\n\r\n // Center dot\r\n this.center = new InspectPoint(new THREE.Vector3(x, y, z), 0, VISUAL_DEBUG);\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y-h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y-h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y-h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y-h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y+h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y+h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y+h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y+h, z+d), 0, VISUAL_DEBUG));\r\n }\r\n\r\n show() {\r\n if (this.mesh) {\r\n this.mesh.visible = true;\r\n }\r\n if (this.wireframe) {\r\n this.wireframe.visible = true;\r\n }\r\n }\r\n\r\n hide() {\r\n if (this.mesh) {\r\n this.mesh.visible = false;\r\n }\r\n\r\n if (this.wireframe) {\r\n this.wireframe.visible = false;\r\n }\r\n\r\n if (this.center) {\r\n this.center.clearLabel();\r\n }\r\n }\r\n\r\n vertexLerp(isolevel, posA, posB) {\r\n var t = (isolevel - posA.isovalue) / (posB.isovalue - posA.isovalue);\r\n var lerpPos = new THREE.Vector3();\r\n return lerpPos.lerpVectors(posA.pos, posB.pos, t);\r\n }\r\n\r\n // returns an array of points on the cube edges\r\n // null if no point exists for an edge\r\n edgePoints(edges, x) {\r\n var points = [null, null, null, null, null, null, null, null, null, null, null, null];\r\n if (edges & 1) points[0] = this.vertexLerp(x, this.corners[0], this.corners[1]);\r\n if (edges & 2) points[1] = this.vertexLerp(x, this.corners[1], this.corners[2]);\r\n if (edges & 4) points[2] = this.vertexLerp(x, this.corners[2], this.corners[3]);\r\n if (edges & 8) points[3] = this.vertexLerp(x, this.corners[3], this.corners[0]);\r\n if (edges & 16) points[4] = this.vertexLerp(x, this.corners[4], this.corners[5]);\r\n if (edges & 32) points[5] = this.vertexLerp(x, this.corners[5], this.corners[6]);\r\n if (edges & 64) points[6] = this.vertexLerp(x, this.corners[6], this.corners[7]);\r\n if (edges & 128) points[7] = this.vertexLerp(x, this.corners[7], this.corners[4]);\r\n if (edges & 256) points[8] = this.vertexLerp(x, this.corners[4], this.corners[0]);\r\n if (edges & 512) points[9] = this.vertexLerp(x, this.corners[5], this.corners[1]);\r\n if (edges & 1024) points[10] = this.vertexLerp(x, this.corners[6], this.corners[2]);\r\n if (edges & 2048) points[11] = this.vertexLerp(x, this.corners[7], this.corners[3]);\r\n return points;\r\n }\r\n\r\n getNormal(point) {\r\n var x0 = new THREE.Vector3(point.x - episolon, point.y, point.z);\r\n var x1 = new THREE.Vector3(point.x + episolon, point.y, point.z);\r\n var x = sample(x1) - sample(x0);\r\n var y0 = new THREE.Vector3(point.x, point.y - episolon, point.z);\r\n var y1 = new THREE.Vector3(point.x, point.y + episolon, point.z);\r\n var y = sample(y1) - sample(y0);\r\n var z0 = new THREE.Vector3(point.x, point.y, point.z - episolon);\r\n var z1 = new THREE.Vector3(point.x, point.y, point.z + episolon);\r\n var z = sample(z1) - sample(z0);\r\n var n = new THREE.Vector3(x,y,z);\r\n return n.normalize();\r\n }\r\n\r\n polygonize(isolevel) {\r\n\r\n var vertexList = [];\r\n var normalList = [];\r\n var faceList = [];\r\n\r\n // get corner vertices that are inside metaballs\r\n var corner = 1;\r\n var allVert = 0;\r\n for (var i = 0; i < 8; i ++) {\r\n if (this.corners[i].isovalue > isolevel) {\r\n allVert |= corner;\r\n }\r\n corner = corner << 1;\r\n }\r\n\r\n if (allVert != 0) {\r\n // get intersected edges\r\n var edges = LUT.EDGE_TABLE[allVert];\r\n\r\n // get 12 points\r\n var points = this.edgePoints(edges, isolevel);\r\n\r\n for (var j = 0; j < 16; j ++) {\r\n var tri = LUT.TRI_TABLE[allVert*16 + j];\r\n if (tri < 0) break;\r\n var vertex = points[tri];\r\n vertexList.push(vertex);\r\n normalList.push(this.getNormal(vertex));\r\n }\r\n }\r\n\r\n\r\n return {\r\n vertPositions: vertexList,\r\n vertNormals: normalList\r\n };\r\n };\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/marching_cubes.js","const THREE = require('three')\r\n\r\nvar SPHERE_GEO = new THREE.SphereBufferGeometry(1, 32, 32);\r\nvar LAMBERT_WHITE = new THREE.MeshLambertMaterial( { color: 0x9EB3D8, transparent: true, opacity: 0.5 });\r\n\r\nexport default class Metaball {\r\n constructor(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug) {\r\n this.init(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug);\r\n }\r\n\r\n init(pos, radius, vel, neg, gridWidth, gridHeight, gridDepth, visualDebug) {\r\n this.gridWidth = gridWidth;\r\n this.gridHeight = gridHeight;\r\n this.gridDepth = gridDepth;\r\n this.pos = pos;\r\n this.vel = vel;\r\n this.neg = neg;\r\n this.radius = radius;\r\n this.radius2 = radius * radius;\r\n this.mesh = null;\r\n this.debug = visualDebug;\r\n // if (visualDebug) {\r\n // this.makeMesh();\r\n // }\r\n }\r\n\r\n makeMesh() {\r\n this.mesh = new THREE.Mesh(SPHERE_GEO, LAMBERT_WHITE);\r\n this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n this.mesh.scale.set(this.radius, this.radius, this.radius);\r\n }\r\n\r\n show() {\r\n if (this.mesh) {\r\n this.mesh.visible = true;\r\n }\r\n };\r\n\r\n hide() {\r\n if (this.mesh) {\r\n this.mesh.visible = false;\r\n }\r\n };\r\n\r\n update() {\r\n\r\n // var cir = new THREE.Vector3(this.pos.x, 0, this.pos.z);\r\n // var disp = new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2).sub(cir);\r\n // var dist = cir.distanceTo(new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2));\r\n // if ((dist + 2*this.radius) > this.gridWidth \r\n // || (dist + 2*this.radius) > this.gridDepth) {\r\n // this.vel.add(disp);\r\n // }\r\n var y = (this.pos.y + this.radius) > this.gridHeight || (this.pos.y + 2* this.radius) < 0;\r\n if (y) this.vel.y *= -1;\r\n \r\n var date = new Date();\r\n var velocity = new THREE.Vector3();\r\n velocity.copy(this.vel).multiplyScalar(3);\r\n this.pos.add(velocity);\r\n\r\n \r\n\r\n \r\n // if (x || y || z) {\r\n // this.vel.multiplyScalar(-1);\r\n // }\r\n if (this.debug) this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/metaball.js","const THREE = require('three');\r\n\r\nconst POINT_MATERIAL = new THREE.PointsMaterial( { color: 0xee1111, size: 10, sizeAttenuation: true } );\r\n\r\nexport default class InspectPoint {\r\n\r\n constructor(pos, isovalue, visualDebug) {\r\n this.init(pos, isovalue, visualDebug);\r\n }\r\n\r\n init(pos, isovalue, visualDebug) {\r\n this.pos = pos;\r\n this.isovalue = isovalue;\r\n this.label = null;\r\n\r\n if (visualDebug) {\r\n this.makeLabel();\r\n }\r\n };\r\n\r\n // Create an HTML div for holding label\r\n makeLabel() {\r\n this.label = document.createElement('div');\r\n this.label.style.position = 'absolute';\r\n this.label.style.width = 100;\r\n this.label.style.height = 100;\r\n this.label.style.userSelect = 'none';\r\n this.label.style.cursor = 'default';\r\n this.label.style.fontSize = '0.3em';\r\n this.label.style.pointerEvents = 'none';\r\n document.body.appendChild(this.label); \r\n };\r\n\r\n updateLabel(camera) {\r\n if (this.label) {\r\n var screenPos = this.pos.clone().project(camera);\r\n screenPos.x = ( screenPos.x + 1 ) / 2 * window.innerWidth;;\r\n screenPos.y = - ( screenPos.y - 1 ) / 2 * window.innerHeight;;\r\n\r\n this.label.style.top = screenPos.y + 'px';\r\n this.label.style.left = screenPos.x + 'px';\r\n this.label.innerHTML = this.isovalue.toFixed(2);\r\n this.label.style.opacity = this.isovalue - 0.5; \r\n }\r\n };\r\n\r\n clearLabel() {\r\n if (this.label) {\r\n this.label.innerHTML = '';\r\n this.label.style.opacity = 0;\r\n }\r\n };\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/inspect_point.js","module.exports = \"\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normalMatrix * normal;\\r\\n e_position = normalize(vec3((modelViewMatrix * vec4(position, 1.0)).rgb));\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/lava-vert.glsl\n// module id = 14\n// module chunks = 0","module.exports = \"\\r\\nuniform sampler2D texture;\\r\\nuniform vec3 u_ambient;\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\nvoid main() {\\r\\n\\tvec3 ref = reflect(e_position, f_normal);\\r\\n\\tfloat m = 2.0 * sqrt(pow(ref.x, 2.0) + pow(ref.y, 2.0) + pow(ref.z + 1.0, 2.0));\\r\\n float x = f_normal.x/m + 0.5;\\r\\n float y = f_normal.y/m + 0.5;\\r\\n\\r\\n vec4 color = texture2D(texture, vec2(x,y));\\r\\n\\r\\n gl_FragColor = vec4(color.rgb * u_lightCol * u_lightIntensity + u_ambient, 1.0);\\r\\n}\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/lava-frag.glsl\n// module id = 15\n// module chunks = 0","module.exports = __webpack_public_path__ + \"index.html\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/file-loader?name=[name].[ext]!./index.html\n// module id = 16\n// module chunks = 0","'use strict';\n\nmodule.exports = function (THREE) {\n\n /**\n * @author mrdoob / http://mrdoob.com/\n */\n THREE.OBJLoader = function (manager) {\n\n this.manager = manager !== undefined ? manager : THREE.DefaultLoadingManager;\n };\n\n THREE.OBJLoader.prototype = {\n\n constructor: THREE.OBJLoader,\n\n load: function load(url, onLoad, onProgress, onError) {\n\n var scope = this;\n\n var loader = new THREE.XHRLoader(scope.manager);\n loader.load(url, function (text) {\n\n onLoad(scope.parse(text));\n }, onProgress, onError);\n },\n\n parse: function parse(text) {\n\n console.time('OBJLoader');\n\n var object,\n objects = [];\n var geometry, material;\n\n function parseVertexIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + vertices.length / 3) * 3;\n }\n\n function parseNormalIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + normals.length / 3) * 3;\n }\n\n function parseUVIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + uvs.length / 2) * 2;\n }\n\n function addVertex(a, b, c) {\n\n geometry.vertices.push(vertices[a], vertices[a + 1], vertices[a + 2], vertices[b], vertices[b + 1], vertices[b + 2], vertices[c], vertices[c + 1], vertices[c + 2]);\n }\n\n function addNormal(a, b, c) {\n\n geometry.normals.push(normals[a], normals[a + 1], normals[a + 2], normals[b], normals[b + 1], normals[b + 2], normals[c], normals[c + 1], normals[c + 2]);\n }\n\n function addUV(a, b, c) {\n\n geometry.uvs.push(uvs[a], uvs[a + 1], uvs[b], uvs[b + 1], uvs[c], uvs[c + 1]);\n }\n\n function addFace(a, b, c, d, ua, ub, uc, ud, na, nb, nc, nd) {\n\n var ia = parseVertexIndex(a);\n var ib = parseVertexIndex(b);\n var ic = parseVertexIndex(c);\n var id;\n\n if (d === undefined) {\n\n addVertex(ia, ib, ic);\n } else {\n\n id = parseVertexIndex(d);\n\n addVertex(ia, ib, id);\n addVertex(ib, ic, id);\n }\n\n if (ua !== undefined) {\n\n ia = parseUVIndex(ua);\n ib = parseUVIndex(ub);\n ic = parseUVIndex(uc);\n\n if (d === undefined) {\n\n addUV(ia, ib, ic);\n } else {\n\n id = parseUVIndex(ud);\n\n addUV(ia, ib, id);\n addUV(ib, ic, id);\n }\n }\n\n if (na !== undefined) {\n\n ia = parseNormalIndex(na);\n ib = parseNormalIndex(nb);\n ic = parseNormalIndex(nc);\n\n if (d === undefined) {\n\n addNormal(ia, ib, ic);\n } else {\n\n id = parseNormalIndex(nd);\n\n addNormal(ia, ib, id);\n addNormal(ib, ic, id);\n }\n }\n }\n\n // create mesh if no objects in text\n\n if (/^o /gm.test(text) === false) {\n\n geometry = {\n vertices: [],\n normals: [],\n uvs: []\n };\n\n material = {\n name: ''\n };\n\n object = {\n name: '',\n geometry: geometry,\n material: material\n };\n\n objects.push(object);\n }\n\n var vertices = [];\n var normals = [];\n var uvs = [];\n\n // v float float float\n\n var vertex_pattern = /v( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // vn float float float\n\n var normal_pattern = /vn( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // vt float float\n\n var uv_pattern = /vt( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // f vertex vertex vertex ...\n\n var face_pattern1 = /f( +-?\\d+)( +-?\\d+)( +-?\\d+)( +-?\\d+)?/;\n\n // f vertex/uv vertex/uv vertex/uv ...\n\n var face_pattern2 = /f( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))?/;\n\n // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ...\n\n var face_pattern3 = /f( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))?/;\n\n // f vertex//normal vertex//normal vertex//normal ...\n\n var face_pattern4 = /f( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))?/;\n\n //\n\n var lines = text.split('\\n');\n\n for (var i = 0; i < lines.length; i++) {\n\n var line = lines[i];\n line = line.trim();\n\n var result;\n\n if (line.length === 0 || line.charAt(0) === '#') {\n\n continue;\n } else if ((result = vertex_pattern.exec(line)) !== null) {\n\n // [\"v 1.0 2.0 3.0\", \"1.0\", \"2.0\", \"3.0\"]\n\n vertices.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3]));\n } else if ((result = normal_pattern.exec(line)) !== null) {\n\n // [\"vn 1.0 2.0 3.0\", \"1.0\", \"2.0\", \"3.0\"]\n\n normals.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3]));\n } else if ((result = uv_pattern.exec(line)) !== null) {\n\n // [\"vt 0.1 0.2\", \"0.1\", \"0.2\"]\n\n uvs.push(parseFloat(result[1]), parseFloat(result[2]));\n } else if ((result = face_pattern1.exec(line)) !== null) {\n\n // [\"f 1 2 3\", \"1\", \"2\", \"3\", undefined]\n\n addFace(result[1], result[2], result[3], result[4]);\n } else if ((result = face_pattern2.exec(line)) !== null) {\n\n // [\"f 1/1 2/2 3/3\", \" 1/1\", \"1\", \"1\", \" 2/2\", \"2\", \"2\", \" 3/3\", \"3\", \"3\", undefined, undefined, undefined]\n\n addFace(result[2], result[5], result[8], result[11], result[3], result[6], result[9], result[12]);\n } else if ((result = face_pattern3.exec(line)) !== null) {\n\n // [\"f 1/1/1 2/2/2 3/3/3\", \" 1/1/1\", \"1\", \"1\", \"1\", \" 2/2/2\", \"2\", \"2\", \"2\", \" 3/3/3\", \"3\", \"3\", \"3\", undefined, undefined, undefined, undefined]\n\n addFace(result[2], result[6], result[10], result[14], result[3], result[7], result[11], result[15], result[4], result[8], result[12], result[16]);\n } else if ((result = face_pattern4.exec(line)) !== null) {\n\n // [\"f 1//1 2//2 3//3\", \" 1//1\", \"1\", \"1\", \" 2//2\", \"2\", \"2\", \" 3//3\", \"3\", \"3\", undefined, undefined, undefined]\n\n addFace(result[2], result[5], result[8], result[11], undefined, undefined, undefined, undefined, result[3], result[6], result[9], result[12]);\n } else if (/^o /.test(line)) {\n\n geometry = {\n vertices: [],\n normals: [],\n uvs: []\n };\n\n material = {\n name: ''\n };\n\n object = {\n name: line.substring(2).trim(),\n geometry: geometry,\n material: material\n };\n\n objects.push(object);\n } else if (/^g /.test(line)) {\n\n // group\n\n } else if (/^usemtl /.test(line)) {\n\n // material\n\n material.name = line.substring(7).trim();\n } else if (/^mtllib /.test(line)) {\n\n // mtl file\n\n } else if (/^s /.test(line)) {\n\n // smooth shading\n\n } else {\n\n // console.log( \"THREE.OBJLoader: Unhandled line \" + line );\n\n }\n }\n\n var container = new THREE.Object3D();\n var l;\n\n for (i = 0, l = objects.length; i < l; i++) {\n\n object = objects[i];\n geometry = object.geometry;\n\n var buffergeometry = new THREE.BufferGeometry();\n\n buffergeometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(geometry.vertices), 3));\n\n if (geometry.normals.length > 0) {\n\n buffergeometry.addAttribute('normal', new THREE.BufferAttribute(new Float32Array(geometry.normals), 3));\n }\n\n if (geometry.uvs.length > 0) {\n\n buffergeometry.addAttribute('uv', new THREE.BufferAttribute(new Float32Array(geometry.uvs), 2));\n }\n\n material = new THREE.MeshLambertMaterial({\n color: 0xff0000\n });\n material.name = object.material.name;\n\n var mesh = new THREE.Mesh(buffergeometry, material);\n mesh.name = object.name;\n\n container.add(mesh);\n }\n\n console.timeEnd('OBJLoader');\n\n return container;\n }\n\n };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-obj-loader/dist/index.js\n// module id = 17\n// module chunks = 0","module.exports = \"varying vec3 f_normal;\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 e_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normal;\\r\\n f_position = position;\\r\\n e_position = cameraPosition;\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/glass-vert.glsl\n// module id = 18\n// module chunks = 0","module.exports = \"#define M_PI 3.1415926535897932384626433832795\\r\\n\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\nfloat cosine(float a, float b, float c, float d, float t) {\\r\\n\\treturn a + b * cos(2.0 * M_PI * (c * t + d));\\r\\n}\\r\\n\\r\\nvoid main() {\\r\\n\\tfloat d = clamp(dot(f_normal, normalize(e_position - f_position)), 0.0, 1.0);\\r\\n\\tvec3 rgb = mix(vec3(0.4, 0.3, 0.16), vec3(1.0, 0.3, 0.3), d);\\r\\n\\r\\n gl_FragColor = vec4(d,d,d, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/glass-frag.glsl\n// module id = 19\n// module chunks = 0","module.exports = \"varying vec3 f_normal;\\r\\nvarying vec3 f_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normal;\\r\\n f_position = position;\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/metal-vert.glsl\n// module id = 20\n// module chunks = 0","module.exports = \"uniform vec3 u_lightPos;\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 f_normal;\\r\\n\\r\\nvoid main() {\\r\\n vec4 color = vec4(1.0, 1.0, 1.0, 1.0);\\r\\n float d = clamp(dot(f_normal, normalize(u_lightPos - f_position)), 0.0, 1.0);\\r\\n gl_FragColor = vec4(d * color.rgb * u_lightCol * u_lightIntensity, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/metal-frag.glsl\n// module id = 21\n// module chunks = 0","module.exports = __webpack_public_path__ + \"./assets/glass-5b14a7.obj\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/assets/glass.obj\n// module id = 22\n// module chunks = 0","module.exports = __webpack_public_path__ + \"./assets/lamp-1bcc16.obj\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/assets/lamp.obj\n// module id = 23\n// module chunks = 0"],"sourceRoot":""} \ No newline at end of file From 57e88e3d6156e6404aea6adf232085191e4a5b6e Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Wed, 29 Mar 2017 11:15:48 -0400 Subject: [PATCH 16/19] new bundle part 2 --- build/bundle.js | 59183 +++++++++++++++++++++--------------------- build/bundle.js.map | 2 +- 2 files changed, 29245 insertions(+), 29940 deletions(-) diff --git a/build/bundle.js b/build/bundle.js index 52c365fa..2592d9c4 100644 --- a/build/bundle.js +++ b/build/bundle.js @@ -46,130 +46,59 @@ 'use strict'; - var _textures = __webpack_require__(1); - - var _framework = __webpack_require__(4); + var _framework = __webpack_require__(1); var _framework2 = _interopRequireDefault(_framework); - var _marching_cube_LUT = __webpack_require__(10); - - var _marching_cube_LUT2 = _interopRequireDefault(_marching_cube_LUT); + var _bio_crowd = __webpack_require__(8); - var _marching_cubes = __webpack_require__(11); - - var _marching_cubes2 = _interopRequireDefault(_marching_cubes); + var _bio_crowd2 = _interopRequireDefault(_bio_crowd); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - __webpack_require__(16); - - //import {quote} from './quote' - // Credit: - // http://jamie-wong.com/2014/08/19/metaballs-and-marching-squares/ - // http://paulbourke.net/geometry/polygonise/ - - var THREE = __webpack_require__(2); // older modules are imported like this. You shouldn't have to worry about this much - var OBJLoader = __webpack_require__(17); - OBJLoader(THREE); + var THREE = __webpack_require__(6); // older modules are imported like this. You shouldn't have to worry about this much + //const OBJLoader = require('three-obj-loader'); + //OBJLoader(THREE) + var OrbitControls = __webpack_require__(7)(THREE); var DEFAULT_VISUAL_DEBUG = false; - var DEFAULT_ISO_LEVEL = 1.0; - var DEFAULT_GRID_RES = 30; - var DEFAULT_GRID_WIDTH = 6; - var DEFAULT_GRID_HEIGHT = 17; - var DEFAULT_GRID_DEPTH = 6; - var DEFAULT_NUM_METABALLS = 7; - var DEFAULT_MIN_RADIUS = 0.5; - var DEFAULT_MAX_RADIUS = 1; - var DEFAULT_MAX_SPEEDX = 0.005; - var DEFAULT_MAX_SPEEDY = 0.3; - - var options = { lightColor: '#ffffff', lightIntensity: 1, ambient: '#111111', albedo: '#110000' }; - var loaded = false; - var red = new THREE.Color(1.0, 0.0, 0.0); - var green = new THREE.Color(0.0, 1.0, 0.0); - var glassGeo; - var lampGeo; - - // glass, emissive, iridescent - var g_mat = { - uniforms: { - u_albedo: { type: 'v3', value: new THREE.Color(options.albedo) }, - u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, - u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, - u_lightIntensity: { type: 'f', value: options.lightIntensity } - }, - vertexShader: __webpack_require__(18), - fragmentShader: __webpack_require__(19) - }; - - // metal - var m_mat = { - uniforms: { - u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, - u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, - u_lightIntensity: { type: 'f', value: options.lightIntensity } - }, - vertexShader: __webpack_require__(20), - fragmentShader: __webpack_require__(21) - }; - - //const GLASS_MAT = new THREE.ShaderMaterial(g_mat); - var GLASS_MAT = new THREE.MeshLambertMaterial({ color: 0xffffff, emissive: 0xff0000, transparent: true, opacity: 0.3 }); - var METAL_MAT = new THREE.MeshPhongMaterial({ color: 0xffffff, emissive: 0x111111 }); + var DEFAULT_CELL_RES = 25; + var DEFAULT_GRID_RES = 8; + var DEFAULT_GRID_WIDTH = 8; + var DEFAULT_GRID_HEIGHT = 8; + var DEFAULT_NUM_AGENTS = 8; + var DEFAULT_NUM_MARKERS = 1000; + var DEFAULT_RADIUS = 0.5; + var DEFAULT_OBSTACLES = 2; + var DEFAULT_MAX_VELOCITY = 5; var App = { // - marchingCubes: undefined, + bioCrowd: undefined, + agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI / 2), + scenario: 'line', + obstacles: DEFAULT_OBSTACLES, config: { - // Global control of all visual debugging. - // This can be set to false to disallow any memory allocation of visual debugging components. - // **Note**: If your application experiences performance drop, disable this flag. visualDebug: DEFAULT_VISUAL_DEBUG, - - // The isolevel for marching cubes - isolevel: DEFAULT_ISO_LEVEL, - - // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid + isPaused: false, gridRes: DEFAULT_GRID_RES, + cellRes: DEFAULT_CELL_RES, - // Total width of grid gridWidth: DEFAULT_GRID_WIDTH, - gridHeight: DEFAULT_GRID_HEIGHT, - gridDepth: DEFAULT_GRID_DEPTH, - - // Width of each voxel - // Ideally, we want the voxel to be small (higher resolution) - gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES, - gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES, - gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES, - - // Number of metaballs - numMetaballs: DEFAULT_NUM_METABALLS, - - // Minimum radius of a metaball - minRadius: DEFAULT_MIN_RADIUS, - - // Maxium radius of a metaball - maxRadius: DEFAULT_MAX_RADIUS, - - // Maximum speed of a metaball - maxSpeedX: DEFAULT_MAX_SPEEDX, - maxSpeedY: DEFAULT_MAX_SPEEDY, - maxSpeedZ: DEFAULT_MAX_SPEEDX + maxMarkers: DEFAULT_NUM_MARKERS, + numAgents: DEFAULT_NUM_AGENTS, + agentRadius: DEFAULT_RADIUS, + maxVelocity: DEFAULT_MAX_VELOCITY }, // Scene's framework objects camera: undefined, scene: undefined, renderer: undefined, - - // Play/pause control for the simulation - isPaused: false, - color: 0xffffff + controls: undefined, + plane: undefined }; // called after the scene loads @@ -178,112 +107,102 @@ camera = framework.camera, renderer = framework.renderer, gui = framework.gui, - stats = framework.stats; + stats = framework.stats, + controls = framework.controls; App.scene = scene; App.camera = camera; App.renderer = renderer; + App.controls = controls; renderer.setClearColor(0x111111); - //scene.add(new THREE.AxisHelper(20)); - - var objLoader = new THREE.OBJLoader(); - var obj = objLoader.load(__webpack_require__(22), function (obj) { - glassGeo = obj.children[0].geometry; - var glass = new THREE.Mesh(glassGeo, GLASS_MAT); - glass.translateX(-1.5); - glass.translateZ(-1.5); - App.scene.add(glass); - loaded = true; - }); - - var obj = objLoader.load(__webpack_require__(23), function (obj) { - lampGeo = obj.children[0].geometry; - var lamp = new THREE.Mesh(lampGeo, METAL_MAT); - lamp.translateX(-1.5); - lamp.translateZ(-1.5); - App.scene.add(lamp); - }); setupCamera(App.camera); - setupLights(App.scene); + //setupLights(App.scene); setupScene(App.scene); setupGUI(gui); } - function cosine(a, b, c, d, t) { - return a + b * Math.cos(2.0 * Math.PI * (c * t + d)); - } - // called on frame updates function onUpdate(framework) { - if (loaded) { - var date = new Date(); - var sec = date.getSeconds(); - var r = cosine(0.5, 0.5, 1.0, 0.0, sec / 60.0); - var g = cosine(0.5, 0.5, 1.0, 0.33, sec / 60.0); - var b = cosine(0.5, 0.5, 1.0, 0.67, sec / 60.0); - GLASS_MAT.emissive.set(new THREE.Color(r, g, b)); - } - if (App.marchingCubes) { - App.marchingCubes.update(); + if (App.bioCrowd) { + App.bioCrowd.update(); } } function setupCamera(camera) { // set camera position - camera.position.set(25, 10, 25); - camera.lookAt(new THREE.Vector3(1, 0, 1)); - } - - function setupLights(scene) { - - // Directional light - var directionalLight = new THREE.DirectionalLight(0xffffff, 1); - directionalLight.color.setHSL(0.1, 1, 0.95); - directionalLight.position.set(1, 10, 2); - directionalLight.position.multiplyScalar(10); - - scene.add(directionalLight); + camera.position.set(App.config.gridWidth / 2, App.config.gridHeight / 2, App.config.gridWidth); + camera.lookAt(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); + App.controls.target.set(App.config.gridWidth / 2, App.config.gridHeight / 2, 0); } function setupScene(scene) { - App.marchingCubes = new _marching_cubes2.default(App); + var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, App.config.gridRes, App.config.gridRes); + geo.translate(App.config.gridWidth / 2, App.config.gridHeight / 2, -0.01); + var material = new THREE.MeshBasicMaterial({ color: 0xffffff, wireframe: true }); + App.plane = new THREE.Mesh(geo, material); + scene.add(App.plane); + App.bioCrowd = new _bio_crowd2.default(App); } function setupGUI(gui) { - // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage + var a = gui.addFolder('Agent_Controls'); + var g = gui.addFolder('Grid_Controls'); - gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + gui.add(App.config, 'isPaused').onChange(function (value) { + App.isPaused = value; + if (value) App.bioCrowd.pause();else App.bioCrowd.play(); }); - - gui.add(App.config, 'minRadius', 0, 1).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + gui.add(App.config, 'visualDebug').onChange(function (value) { + if (value) App.bioCrowd.show();else App.bioCrowd.hide(); }); - - gui.add(App.config, 'maxRadius', 1, 2).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); }); - - gui.add(App.config, 'maxSpeedY', 0, 1).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + a.add(App.config, 'agentRadius', 0, 1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); }); - - gui.add(App.config, 'isolevel', 0, 2).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function (val) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); }); - - gui.add(App.config, 'gridRes', 1, 40).step(1).onChange(function (value) { - App.marchingCubes.reset(); - App.marchingCubes = new _marching_cubes2.default(App); + g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function (value) { + App.config.gridHeight = value; + App.scene.remove(App.plane); + App.plane.geometry.dispose();App.plane.material.dispose(); + App.bioCrowd.reset(); + setupScene(App.scene); + setupCamera(App.camera); + }); + g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function (value) { + App.scene.remove(App.plane); + App.plane.geometry.dispose();App.plane.material.dispose(); + App.bioCrowd.reset(); + setupScene(App.scene); }); + gui.add(App, 'obstacles', 0, 5).onChange(function (value) { + App.bioCrowd.reset(); + App.bioCrowd = new _bio_crowd2.default(App); + }); + } + + function setupLights(scene) { + + // Directional light + var directionalLight = new THREE.DirectionalLight(0xffffff, 1); + directionalLight.color.setHSL(0.1, 1, 0.95); + directionalLight.position.set(1, 10, 2); + directionalLight.position.multiplyScalar(10); + + scene.add(directionalLight); } // when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate @@ -296,10735 +215,12460 @@ 'use strict'; Object.defineProperty(exports, "__esModule", { - value: true + value: true }); - // this file is just for convenience. it sets up loading the mario obj and texture + var _statsJs = __webpack_require__(2); - var THREE = __webpack_require__(2); + var _statsJs2 = _interopRequireDefault(_statsJs); - var silverTexture = exports.silverTexture = new Promise(function (resolve, reject) { - new THREE.TextureLoader().load(__webpack_require__(3), function (texture) { - resolve(texture); - }); - }); - -/***/ }, -/* 2 */ -/***/ function(module, exports, __webpack_require__) { - - (function (global, factory) { - true ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.THREE = global.THREE || {}))); - }(this, (function (exports) { 'use strict'; + var _datGui = __webpack_require__(3); - // Polyfills + var _datGui2 = _interopRequireDefault(_datGui); - if ( Number.EPSILON === undefined ) { + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - Number.EPSILON = Math.pow( 2, - 52 ); + var THREE = __webpack_require__(6); + var OrbitControls = __webpack_require__(7)(THREE); - } - // + // when the scene is done initializing, the function passed as `callback` will be executed + // then, every frame, the function passed as `update` will be executed + function init(callback, update) { + var stats = new _statsJs2.default(); + stats.setMode(1); + stats.domElement.style.position = 'absolute'; + stats.domElement.style.left = '0px'; + stats.domElement.style.top = '0px'; + document.body.appendChild(stats.domElement); - if ( Math.sign === undefined ) { + var gui = new _datGui2.default.GUI(); - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign + var framework = { + gui: gui, + stats: stats + }; - Math.sign = function ( x ) { + // run this function after the window loads + window.addEventListener('load', function () { - return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; + var scene = new THREE.Scene(); + var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); + var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); + renderer.setPixelRatio(window.devicePixelRatio); + renderer.setSize(window.innerWidth, window.innerHeight); + renderer.setClearColor(0x020202, 0); - }; + var controls = new OrbitControls(camera, renderer.domElement); + controls.enableDamping = true; + controls.enableZoom = true; + controls.target.set(0, 0, 0); + controls.rotateSpeed = 0.3; + controls.zoomSpeed = 1.0; + controls.panSpeed = 2.0; + controls.addEventListener('change', function () { + camera.hasMoved = true; + }); - } + document.body.appendChild(renderer.domElement); - if ( Function.prototype.name === undefined ) { + // resize the canvas when the window changes + window.addEventListener('resize', function () { + camera.aspect = window.innerWidth / window.innerHeight; + camera.updateProjectionMatrix(); + renderer.setSize(window.innerWidth, window.innerHeight); + }, false); - // Missing in IE9-11. - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name + // assign THREE.js objects to the object we will return + framework.scene = scene; + framework.camera = camera; + framework.renderer = renderer; + framework.controls = controls; - Object.defineProperty( Function.prototype, 'name', { + // begin the animation loop + (function tick() { + stats.begin(); + update(framework); // perform any requested updates + renderer.render(scene, camera); // render the scene + stats.end(); + requestAnimationFrame(tick); // register to call this again when the browser renders a new frame + })(); - get: function () { + // we will pass the scene, gui, renderer, camera, etc... to the callback function + return callback(framework); + }); + } - return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ]; + exports.default = { + init: init + }; + +/***/ }, +/* 2 */ +/***/ function(module, exports) { + + // stats.js - http://github.com/mrdoob/stats.js + var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px"; + i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div"); + k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display= + "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height= + a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats); + + +/***/ }, +/* 3 */ +/***/ function(module, exports, __webpack_require__) { + + module.exports = __webpack_require__(4) + module.exports.color = __webpack_require__(5) + +/***/ }, +/* 4 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ - } + /** @namespace */ + var dat = module.exports = dat || {}; - } ); + /** @namespace */ + dat.gui = dat.gui || {}; - } + /** @namespace */ + dat.utils = dat.utils || {}; - if ( Object.assign === undefined ) { + /** @namespace */ + dat.controllers = dat.controllers || {}; - // Missing in IE. - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign + /** @namespace */ + dat.dom = dat.dom || {}; - ( function () { + /** @namespace */ + dat.color = dat.color || {}; - Object.assign = function ( target ) { + dat.utils.css = (function () { + return { + load: function (url, doc) { + doc = doc || document; + var link = doc.createElement('link'); + link.type = 'text/css'; + link.rel = 'stylesheet'; + link.href = url; + doc.getElementsByTagName('head')[0].appendChild(link); + }, + inject: function(css, doc) { + doc = doc || document; + var injected = document.createElement('style'); + injected.type = 'text/css'; + injected.innerHTML = css; + doc.getElementsByTagName('head')[0].appendChild(injected); + } + } + })(); - 'use strict'; - if ( target === undefined || target === null ) { + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; - throw new TypeError( 'Cannot convert undefined or null to object' ); + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ - } + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { - var output = Object( target ); + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { - for ( var index = 1; index < arguments.length; index ++ ) { + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, - var source = arguments[ index ]; + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); - if ( source !== undefined && source !== null ) { - for ( var nextKey in source ) { + dat.controllers.Controller = (function (common) { - if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { + /** + * @class An "abstract" class that represents a given property of an object. + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var Controller = function(object, property) { - output[ nextKey ] = source[ nextKey ]; + this.initialValue = object[property]; - } + /** + * Those who extend this class will put their DOM elements in here. + * @type {DOMElement} + */ + this.domElement = document.createElement('div'); - } + /** + * The object to manipulate + * @type {Object} + */ + this.object = object; - } + /** + * The name of the property to manipulate + * @type {String} + */ + this.property = property; - } + /** + * The function to be called on change. + * @type {Function} + * @ignore + */ + this.__onChange = undefined; - return output; + /** + * The function to be called on finishing change. + * @type {Function} + * @ignore + */ + this.__onFinishChange = undefined; - }; + }; - } )(); + common.extend( - } + Controller.prototype, - /** - * https://github.com/mrdoob/eventdispatcher.js/ - */ + /** @lends dat.controllers.Controller.prototype */ + { - function EventDispatcher() {} + /** + * Specify that a function fire every time someone changes the value with + * this Controller. + * + * @param {Function} fnc This function will be called whenever the value + * is modified via this Controller. + * @returns {dat.controllers.Controller} this + */ + onChange: function(fnc) { + this.__onChange = fnc; + return this; + }, - Object.assign( EventDispatcher.prototype, { + /** + * Specify that a function fire every time someone "finishes" changing + * the value wih this Controller. Useful for values that change + * incrementally like numbers or strings. + * + * @param {Function} fnc This function will be called whenever + * someone "finishes" changing the value via this Controller. + * @returns {dat.controllers.Controller} this + */ + onFinishChange: function(fnc) { + this.__onFinishChange = fnc; + return this; + }, - addEventListener: function ( type, listener ) { + /** + * Change the value of object[property] + * + * @param {Object} newValue The new value of object[property] + */ + setValue: function(newValue) { + this.object[this.property] = newValue; + if (this.__onChange) { + this.__onChange.call(this, newValue); + } + this.updateDisplay(); + return this; + }, - if ( this._listeners === undefined ) this._listeners = {}; + /** + * Gets the value of object[property] + * + * @returns {Object} The current value of object[property] + */ + getValue: function() { + return this.object[this.property]; + }, - var listeners = this._listeners; + /** + * Refreshes the visual display of a Controller in order to keep sync + * with the object's current value. + * @returns {dat.controllers.Controller} this + */ + updateDisplay: function() { + return this; + }, - if ( listeners[ type ] === undefined ) { + /** + * @returns {Boolean} true if the value has deviated from initialValue + */ + isModified: function() { + return this.initialValue !== this.getValue() + } - listeners[ type ] = []; + } - } + ); - if ( listeners[ type ].indexOf( listener ) === - 1 ) { + return Controller; - listeners[ type ].push( listener ); - } + })(dat.utils.common); - }, - hasEventListener: function ( type, listener ) { + dat.dom.dom = (function (common) { - if ( this._listeners === undefined ) return false; + var EVENT_MAP = { + 'HTMLEvents': ['change'], + 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'], + 'KeyboardEvents': ['keydown'] + }; - var listeners = this._listeners; + var EVENT_MAP_INV = {}; + common.each(EVENT_MAP, function(v, k) { + common.each(v, function(e) { + EVENT_MAP_INV[e] = k; + }); + }); - if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { + var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/; - return true; + function cssValueToPixels(val) { - } + if (val === '0' || common.isUndefined(val)) return 0; - return false; + var match = val.match(CSS_VALUE_PIXELS); - }, + if (!common.isNull(match)) { + return parseFloat(match[1]); + } - removeEventListener: function ( type, listener ) { + // TODO ...ems? %? - if ( this._listeners === undefined ) return; + return 0; - var listeners = this._listeners; - var listenerArray = listeners[ type ]; - - if ( listenerArray !== undefined ) { - - var index = listenerArray.indexOf( listener ); - - if ( index !== - 1 ) { - - listenerArray.splice( index, 1 ); - - } + } - } + /** + * @namespace + * @member dat.dom + */ + var dom = { - }, + /** + * + * @param elem + * @param selectable + */ + makeSelectable: function(elem, selectable) { - dispatchEvent: function ( event ) { + if (elem === undefined || elem.style === undefined) return; - if ( this._listeners === undefined ) return; + elem.onselectstart = selectable ? function() { + return false; + } : function() { + }; - var listeners = this._listeners; - var listenerArray = listeners[ event.type ]; + elem.style.MozUserSelect = selectable ? 'auto' : 'none'; + elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none'; + elem.unselectable = selectable ? 'on' : 'off'; - if ( listenerArray !== undefined ) { + }, - event.target = this; + /** + * + * @param elem + * @param horizontal + * @param vertical + */ + makeFullscreen: function(elem, horizontal, vertical) { - var array = [], i = 0; - var length = listenerArray.length; + if (common.isUndefined(horizontal)) horizontal = true; + if (common.isUndefined(vertical)) vertical = true; - for ( i = 0; i < length; i ++ ) { + elem.style.position = 'absolute'; - array[ i ] = listenerArray[ i ]; + if (horizontal) { + elem.style.left = 0; + elem.style.right = 0; + } + if (vertical) { + elem.style.top = 0; + elem.style.bottom = 0; + } - } + }, - for ( i = 0; i < length; i ++ ) { + /** + * + * @param elem + * @param eventType + * @param params + */ + fakeEvent: function(elem, eventType, params, aux) { + params = params || {}; + var className = EVENT_MAP_INV[eventType]; + if (!className) { + throw new Error('Event type ' + eventType + ' not supported.'); + } + var evt = document.createEvent(className); + switch (className) { + case 'MouseEvents': + var clientX = params.x || params.clientX || 0; + var clientY = params.y || params.clientY || 0; + evt.initMouseEvent(eventType, params.bubbles || false, + params.cancelable || true, window, params.clickCount || 1, + 0, //screen X + 0, //screen Y + clientX, //client X + clientY, //client Y + false, false, false, false, 0, null); + break; + case 'KeyboardEvents': + var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz + common.defaults(params, { + cancelable: true, + ctrlKey: false, + altKey: false, + shiftKey: false, + metaKey: false, + keyCode: undefined, + charCode: undefined + }); + init(eventType, params.bubbles || false, + params.cancelable, window, + params.ctrlKey, params.altKey, + params.shiftKey, params.metaKey, + params.keyCode, params.charCode); + break; + default: + evt.initEvent(eventType, params.bubbles || false, + params.cancelable || true); + break; + } + common.defaults(evt, aux); + elem.dispatchEvent(evt); + }, - array[ i ].call( this, event ); + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + bind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.addEventListener) + elem.addEventListener(event, func, bool); + else if (elem.attachEvent) + elem.attachEvent('on' + event, func); + return dom; + }, - } + /** + * + * @param elem + * @param event + * @param func + * @param bool + */ + unbind: function(elem, event, func, bool) { + bool = bool || false; + if (elem.removeEventListener) + elem.removeEventListener(event, func, bool); + else if (elem.detachEvent) + elem.detachEvent('on' + event, func); + return dom; + }, - } + /** + * + * @param elem + * @param className + */ + addClass: function(elem, className) { + if (elem.className === undefined) { + elem.className = className; + } else if (elem.className !== className) { + var classes = elem.className.split(/ +/); + if (classes.indexOf(className) == -1) { + classes.push(className); + elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, ''); + } + } + return dom; + }, - } + /** + * + * @param elem + * @param className + */ + removeClass: function(elem, className) { + if (className) { + if (elem.className === undefined) { + // elem.className = className; + } else if (elem.className === className) { + elem.removeAttribute('class'); + } else { + var classes = elem.className.split(/ +/); + var index = classes.indexOf(className); + if (index != -1) { + classes.splice(index, 1); + elem.className = classes.join(' '); + } + } + } else { + elem.className = undefined; + } + return dom; + }, - } ); + hasClass: function(elem, className) { + return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false; + }, - var REVISION = '82'; - var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; - var CullFaceNone = 0; - var CullFaceBack = 1; - var CullFaceFront = 2; - var CullFaceFrontBack = 3; - var FrontFaceDirectionCW = 0; - var FrontFaceDirectionCCW = 1; - var BasicShadowMap = 0; - var PCFShadowMap = 1; - var PCFSoftShadowMap = 2; - var FrontSide = 0; - var BackSide = 1; - var DoubleSide = 2; - var FlatShading = 1; - var SmoothShading = 2; - var NoColors = 0; - var FaceColors = 1; - var VertexColors = 2; - var NoBlending = 0; - var NormalBlending = 1; - var AdditiveBlending = 2; - var SubtractiveBlending = 3; - var MultiplyBlending = 4; - var CustomBlending = 5; - var BlendingMode = { - NoBlending: NoBlending, - NormalBlending: NormalBlending, - AdditiveBlending: AdditiveBlending, - SubtractiveBlending: SubtractiveBlending, - MultiplyBlending: MultiplyBlending, - CustomBlending: CustomBlending - }; - var AddEquation = 100; - var SubtractEquation = 101; - var ReverseSubtractEquation = 102; - var MinEquation = 103; - var MaxEquation = 104; - var ZeroFactor = 200; - var OneFactor = 201; - var SrcColorFactor = 202; - var OneMinusSrcColorFactor = 203; - var SrcAlphaFactor = 204; - var OneMinusSrcAlphaFactor = 205; - var DstAlphaFactor = 206; - var OneMinusDstAlphaFactor = 207; - var DstColorFactor = 208; - var OneMinusDstColorFactor = 209; - var SrcAlphaSaturateFactor = 210; - var NeverDepth = 0; - var AlwaysDepth = 1; - var LessDepth = 2; - var LessEqualDepth = 3; - var EqualDepth = 4; - var GreaterEqualDepth = 5; - var GreaterDepth = 6; - var NotEqualDepth = 7; - var MultiplyOperation = 0; - var MixOperation = 1; - var AddOperation = 2; - var NoToneMapping = 0; - var LinearToneMapping = 1; - var ReinhardToneMapping = 2; - var Uncharted2ToneMapping = 3; - var CineonToneMapping = 4; - var UVMapping = 300; - var CubeReflectionMapping = 301; - var CubeRefractionMapping = 302; - var EquirectangularReflectionMapping = 303; - var EquirectangularRefractionMapping = 304; - var SphericalReflectionMapping = 305; - var CubeUVReflectionMapping = 306; - var CubeUVRefractionMapping = 307; - var TextureMapping = { - UVMapping: UVMapping, - CubeReflectionMapping: CubeReflectionMapping, - CubeRefractionMapping: CubeRefractionMapping, - EquirectangularReflectionMapping: EquirectangularReflectionMapping, - EquirectangularRefractionMapping: EquirectangularRefractionMapping, - SphericalReflectionMapping: SphericalReflectionMapping, - CubeUVReflectionMapping: CubeUVReflectionMapping, - CubeUVRefractionMapping: CubeUVRefractionMapping - }; - var RepeatWrapping = 1000; - var ClampToEdgeWrapping = 1001; - var MirroredRepeatWrapping = 1002; - var TextureWrapping = { - RepeatWrapping: RepeatWrapping, - ClampToEdgeWrapping: ClampToEdgeWrapping, - MirroredRepeatWrapping: MirroredRepeatWrapping - }; - var NearestFilter = 1003; - var NearestMipMapNearestFilter = 1004; - var NearestMipMapLinearFilter = 1005; - var LinearFilter = 1006; - var LinearMipMapNearestFilter = 1007; - var LinearMipMapLinearFilter = 1008; - var TextureFilter = { - NearestFilter: NearestFilter, - NearestMipMapNearestFilter: NearestMipMapNearestFilter, - NearestMipMapLinearFilter: NearestMipMapLinearFilter, - LinearFilter: LinearFilter, - LinearMipMapNearestFilter: LinearMipMapNearestFilter, - LinearMipMapLinearFilter: LinearMipMapLinearFilter - }; - var UnsignedByteType = 1009; - var ByteType = 1010; - var ShortType = 1011; - var UnsignedShortType = 1012; - var IntType = 1013; - var UnsignedIntType = 1014; - var FloatType = 1015; - var HalfFloatType = 1016; - var UnsignedShort4444Type = 1017; - var UnsignedShort5551Type = 1018; - var UnsignedShort565Type = 1019; - var UnsignedInt248Type = 1020; - var AlphaFormat = 1021; - var RGBFormat = 1022; - var RGBAFormat = 1023; - var LuminanceFormat = 1024; - var LuminanceAlphaFormat = 1025; - var RGBEFormat = RGBAFormat; - var DepthFormat = 1026; - var DepthStencilFormat = 1027; - var RGB_S3TC_DXT1_Format = 2001; - var RGBA_S3TC_DXT1_Format = 2002; - var RGBA_S3TC_DXT3_Format = 2003; - var RGBA_S3TC_DXT5_Format = 2004; - var RGB_PVRTC_4BPPV1_Format = 2100; - var RGB_PVRTC_2BPPV1_Format = 2101; - var RGBA_PVRTC_4BPPV1_Format = 2102; - var RGBA_PVRTC_2BPPV1_Format = 2103; - var RGB_ETC1_Format = 2151; - var LoopOnce = 2200; - var LoopRepeat = 2201; - var LoopPingPong = 2202; - var InterpolateDiscrete = 2300; - var InterpolateLinear = 2301; - var InterpolateSmooth = 2302; - var ZeroCurvatureEnding = 2400; - var ZeroSlopeEnding = 2401; - var WrapAroundEnding = 2402; - var TrianglesDrawMode = 0; - var TriangleStripDrawMode = 1; - var TriangleFanDrawMode = 2; - var LinearEncoding = 3000; - var sRGBEncoding = 3001; - var GammaEncoding = 3007; - var RGBEEncoding = 3002; - var LogLuvEncoding = 3003; - var RGBM7Encoding = 3004; - var RGBM16Encoding = 3005; - var RGBDEncoding = 3006; - var BasicDepthPacking = 3200; - var RGBADepthPacking = 3201; + /** + * + * @param elem + */ + getWidth: function(elem) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + var style = getComputedStyle(elem); - var _Math = { + return cssValueToPixels(style['border-left-width']) + + cssValueToPixels(style['border-right-width']) + + cssValueToPixels(style['padding-left']) + + cssValueToPixels(style['padding-right']) + + cssValueToPixels(style['width']); + }, - DEG2RAD: Math.PI / 180, - RAD2DEG: 180 / Math.PI, + /** + * + * @param elem + */ + getHeight: function(elem) { - generateUUID: function () { + var style = getComputedStyle(elem); - // http://www.broofa.com/Tools/Math.uuid.htm + return cssValueToPixels(style['border-top-width']) + + cssValueToPixels(style['border-bottom-width']) + + cssValueToPixels(style['padding-top']) + + cssValueToPixels(style['padding-bottom']) + + cssValueToPixels(style['height']); + }, - var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); - var uuid = new Array( 36 ); - var rnd = 0, r; + /** + * + * @param elem + */ + getOffset: function(elem) { + var offset = {left: 0, top:0}; + if (elem.offsetParent) { + do { + offset.left += elem.offsetLeft; + offset.top += elem.offsetTop; + } while (elem = elem.offsetParent); + } + return offset; + }, - return function generateUUID() { + // http://stackoverflow.com/posts/2684561/revisions + /** + * + * @param elem + */ + isActive: function(elem) { + return elem === document.activeElement && ( elem.type || elem.href ); + } - for ( var i = 0; i < 36; i ++ ) { + }; - if ( i === 8 || i === 13 || i === 18 || i === 23 ) { + return dom; - uuid[ i ] = '-'; + })(dat.utils.common); - } else if ( i === 14 ) { - uuid[ i ] = '4'; + dat.controllers.OptionController = (function (Controller, dom, common) { - } else { + /** + * @class Provides a select input to alter the property of an object, using a + * list of accepted values. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object|string[]} options A map of labels to acceptable values, or + * a list of acceptable string values. + * + * @member dat.controllers + */ + var OptionController = function(object, property, options) { - if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; - r = rnd & 0xf; - rnd = rnd >> 4; - uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; + OptionController.superclass.call(this, object, property); - } + var _this = this; - } + /** + * The drop down menu + * @ignore + */ + this.__select = document.createElement('select'); - return uuid.join( '' ); + if (common.isArray(options)) { + var map = {}; + common.each(options, function(element) { + map[element] = element; + }); + options = map; + } - }; + common.each(options, function(value, key) { - }(), + var opt = document.createElement('option'); + opt.innerHTML = key; + opt.setAttribute('value', value); + _this.__select.appendChild(opt); - clamp: function ( value, min, max ) { + }); - return Math.max( min, Math.min( max, value ) ); + // Acknowledge original value + this.updateDisplay(); - }, + dom.bind(this.__select, 'change', function() { + var desiredValue = this.options[this.selectedIndex].value; + _this.setValue(desiredValue); + }); - // compute euclidian modulo of m % n - // https://en.wikipedia.org/wiki/Modulo_operation + this.domElement.appendChild(this.__select); - euclideanModulo: function ( n, m ) { + }; - return ( ( n % m ) + m ) % m; + OptionController.superclass = Controller; - }, + common.extend( - // Linear mapping from range to range + OptionController.prototype, + Controller.prototype, - mapLinear: function ( x, a1, a2, b1, b2 ) { + { - return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + setValue: function(v) { + var toReturn = OptionController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + return toReturn; + }, - }, + updateDisplay: function() { + this.__select.value = this.getValue(); + return OptionController.superclass.prototype.updateDisplay.call(this); + } - // https://en.wikipedia.org/wiki/Linear_interpolation + } - lerp: function ( x, y, t ) { + ); - return ( 1 - t ) * x + t * y; + return OptionController; - }, + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - // http://en.wikipedia.org/wiki/Smoothstep - smoothstep: function ( x, min, max ) { + dat.controllers.NumberController = (function (Controller, common) { - if ( x <= min ) return 0; - if ( x >= max ) return 1; - - x = ( x - min ) / ( max - min ); + /** + * @class Represents a given property of an object that is a number. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberController = function(object, property, params) { - return x * x * ( 3 - 2 * x ); + NumberController.superclass.call(this, object, property); - }, + params = params || {}; - smootherstep: function ( x, min, max ) { + this.__min = params.min; + this.__max = params.max; + this.__step = params.step; - if ( x <= min ) return 0; - if ( x >= max ) return 1; + if (common.isUndefined(this.__step)) { - x = ( x - min ) / ( max - min ); + if (this.initialValue == 0) { + this.__impliedStep = 1; // What are we, psychics? + } else { + // Hey Doug, check this out. + this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10; + } - return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + } else { - }, + this.__impliedStep = this.__step; - random16: function () { + } - console.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' ); - return Math.random(); + this.__precision = numDecimals(this.__impliedStep); - }, - // Random integer from interval + }; - randInt: function ( low, high ) { + NumberController.superclass = Controller; - return low + Math.floor( Math.random() * ( high - low + 1 ) ); + common.extend( - }, + NumberController.prototype, + Controller.prototype, - // Random float from interval + /** @lends dat.controllers.NumberController.prototype */ + { - randFloat: function ( low, high ) { + setValue: function(v) { - return low + Math.random() * ( high - low ); + if (this.__min !== undefined && v < this.__min) { + v = this.__min; + } else if (this.__max !== undefined && v > this.__max) { + v = this.__max; + } - }, + if (this.__step !== undefined && v % this.__step != 0) { + v = Math.round(v / this.__step) * this.__step; + } - // Random float from <-range/2, range/2> interval + return NumberController.superclass.prototype.setValue.call(this, v); - randFloatSpread: function ( range ) { + }, - return range * ( 0.5 - Math.random() ); + /** + * Specify a minimum value for object[property]. + * + * @param {Number} minValue The minimum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + min: function(v) { + this.__min = v; + return this; + }, - }, + /** + * Specify a maximum value for object[property]. + * + * @param {Number} maxValue The maximum value for + * object[property] + * @returns {dat.controllers.NumberController} this + */ + max: function(v) { + this.__max = v; + return this; + }, - degToRad: function ( degrees ) { + /** + * Specify a step value that dat.controllers.NumberController + * increments by. + * + * @param {Number} stepValue The step value for + * dat.controllers.NumberController + * @default if minimum and maximum specified increment is 1% of the + * difference otherwise stepValue is 1 + * @returns {dat.controllers.NumberController} this + */ + step: function(v) { + this.__step = v; + return this; + } - return degrees * _Math.DEG2RAD; + } - }, + ); - radToDeg: function ( radians ) { + function numDecimals(x) { + x = x.toString(); + if (x.indexOf('.') > -1) { + return x.length - x.indexOf('.') - 1; + } else { + return 0; + } + } - return radians * _Math.RAD2DEG; + return NumberController; - }, + })(dat.controllers.Controller, + dat.utils.common); - isPowerOfTwo: function ( value ) { - return ( value & ( value - 1 ) ) === 0 && value !== 0; + dat.controllers.NumberControllerBox = (function (NumberController, dom, common) { - }, + /** + * @class Represents a given property of an object that is a number and + * provides an input element with which to manipulate it. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Object} [params] Optional parameters + * @param {Number} [params.min] Minimum allowed value + * @param {Number} [params.max] Maximum allowed value + * @param {Number} [params.step] Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerBox = function(object, property, params) { - nearestPowerOfTwo: function ( value ) { + this.__truncationSuspended = false; - return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); + NumberControllerBox.superclass.call(this, object, property, params); - }, + var _this = this; - nextPowerOfTwo: function ( value ) { + /** + * {Number} Previous mouse y position + * @ignore + */ + var prev_y; - value --; - value |= value >> 1; - value |= value >> 2; - value |= value >> 4; - value |= value >> 8; - value |= value >> 16; - value ++; + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); - return value; + // Makes it so manually specified values are not truncated. - } + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'mousedown', onMouseDown); + dom.bind(this.__input, 'keydown', function(e) { - }; + // When pressing entire, you can be as precise as you want. + if (e.keyCode === 13) { + _this.__truncationSuspended = true; + this.blur(); + _this.__truncationSuspended = false; + } - /** - * @author mrdoob / http://mrdoob.com/ - * @author philogb / http://blog.thejit.org/ - * @author egraether / http://egraether.com/ - * @author zz85 / http://www.lab4games.net/zz85/blog - */ + }); - function Vector2( x, y ) { + function onChange() { + var attempted = parseFloat(_this.__input.value); + if (!common.isNaN(attempted)) _this.setValue(attempted); + } - this.x = x || 0; - this.y = y || 0; + function onBlur() { + onChange(); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - } + function onMouseDown(e) { + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); + prev_y = e.clientY; + } - Vector2.prototype = { + function onMouseDrag(e) { - constructor: Vector2, + var diff = prev_y - e.clientY; + _this.setValue(_this.getValue() + diff * _this.__impliedStep); - isVector2: true, + prev_y = e.clientY; - get width() { + } - return this.x; + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + } - }, + this.updateDisplay(); - set width( value ) { + this.domElement.appendChild(this.__input); - this.x = value; + }; - }, + NumberControllerBox.superclass = NumberController; - get height() { + common.extend( - return this.y; + NumberControllerBox.prototype, + NumberController.prototype, - }, + { - set height( value ) { + updateDisplay: function() { - this.y = value; + this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision); + return NumberControllerBox.superclass.prototype.updateDisplay.call(this); + } - }, + } - // + ); - set: function ( x, y ) { + function roundToDecimal(value, decimals) { + var tenTo = Math.pow(10, decimals); + return Math.round(value * tenTo) / tenTo; + } - this.x = x; - this.y = y; + return NumberControllerBox; - return this; + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.common); - }, - setScalar: function ( scalar ) { + dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) { - this.x = scalar; - this.y = scalar; + /** + * @class Represents a given property of an object that is a number, contains + * a minimum and maximum, and provides a slider element with which to + * manipulate it. It should be noted that the slider element is made up of + * <div> tags, not the html5 + * <slider> element. + * + * @extends dat.controllers.Controller + * @extends dat.controllers.NumberController + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * @param {Number} minValue Minimum allowed value + * @param {Number} maxValue Maximum allowed value + * @param {Number} stepValue Increment by which to change value + * + * @member dat.controllers + */ + var NumberControllerSlider = function(object, property, min, max, step) { - return this; + NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step }); - }, + var _this = this; - setX: function ( x ) { + this.__background = document.createElement('div'); + this.__foreground = document.createElement('div'); + - this.x = x; - return this; + dom.bind(this.__background, 'mousedown', onMouseDown); + + dom.addClass(this.__background, 'slider'); + dom.addClass(this.__foreground, 'slider-fg'); - }, + function onMouseDown(e) { - setY: function ( y ) { + dom.bind(window, 'mousemove', onMouseDrag); + dom.bind(window, 'mouseup', onMouseUp); - this.y = y; + onMouseDrag(e); + } - return this; + function onMouseDrag(e) { - }, + e.preventDefault(); - setComponent: function ( index, value ) { + var offset = dom.getOffset(_this.__background); + var width = dom.getWidth(_this.__background); + + _this.setValue( + map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max) + ); - switch ( index ) { + return false; - case 0: this.x = value; break; - case 1: this.y = value; break; - default: throw new Error( 'index is out of range: ' + index ); + } - } - - return this; + function onMouseUp() { + dom.unbind(window, 'mousemove', onMouseDrag); + dom.unbind(window, 'mouseup', onMouseUp); + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - }, + this.updateDisplay(); - getComponent: function ( index ) { + this.__background.appendChild(this.__foreground); + this.domElement.appendChild(this.__background); - switch ( index ) { + }; - case 0: return this.x; - case 1: return this.y; - default: throw new Error( 'index is out of range: ' + index ); + NumberControllerSlider.superclass = NumberController; - } + /** + * Injects default stylesheet for slider elements. + */ + NumberControllerSlider.useDefaultStyles = function() { + css.inject(styleSheet); + }; - }, + common.extend( - clone: function () { + NumberControllerSlider.prototype, + NumberController.prototype, - return new this.constructor( this.x, this.y ); + { - }, + updateDisplay: function() { + var pct = (this.getValue() - this.__min)/(this.__max - this.__min); + this.__foreground.style.width = pct*100+'%'; + return NumberControllerSlider.superclass.prototype.updateDisplay.call(this); + } - copy: function ( v ) { + } - this.x = v.x; - this.y = v.y; - return this; - }, + ); - add: function ( v, w ) { + function map(v, i1, i2, o1, o2) { + return o1 + (o2 - o1) * ((v - i1) / (i2 - i1)); + } - if ( w !== undefined ) { + return NumberControllerSlider; + + })(dat.controllers.NumberController, + dat.dom.dom, + dat.utils.css, + dat.utils.common, + ".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); - console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); - } + dat.controllers.FunctionController = (function (Controller, dom, common) { - this.x += v.x; - this.y += v.y; + /** + * @class Provides a GUI interface to fire a specified method, a property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var FunctionController = function(object, property, text) { - return this; + FunctionController.superclass.call(this, object, property); - }, + var _this = this; - addScalar: function ( s ) { + this.__button = document.createElement('div'); + this.__button.innerHTML = text === undefined ? 'Fire' : text; + dom.bind(this.__button, 'click', function(e) { + e.preventDefault(); + _this.fire(); + return false; + }); - this.x += s; - this.y += s; + dom.addClass(this.__button, 'button'); - return this; + this.domElement.appendChild(this.__button); - }, - addVectors: function ( a, b ) { + }; - this.x = a.x + b.x; - this.y = a.y + b.y; + FunctionController.superclass = Controller; - return this; + common.extend( - }, + FunctionController.prototype, + Controller.prototype, + { + + fire: function() { + if (this.__onChange) { + this.__onChange.call(this); + } + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.getValue().call(this.object); + } + } - addScaledVector: function ( v, s ) { + ); - this.x += v.x * s; - this.y += v.y * s; + return FunctionController; - return this; + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - }, - sub: function ( v, w ) { + dat.controllers.BooleanController = (function (Controller, dom, common) { - if ( w !== undefined ) { + /** + * @class Provides a checkbox input to alter the boolean property of an object. + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var BooleanController = function(object, property) { - console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + BooleanController.superclass.call(this, object, property); - } + var _this = this; + this.__prev = this.getValue(); - this.x -= v.x; - this.y -= v.y; + this.__checkbox = document.createElement('input'); + this.__checkbox.setAttribute('type', 'checkbox'); - return this; - }, + dom.bind(this.__checkbox, 'change', onChange, false); - subScalar: function ( s ) { + this.domElement.appendChild(this.__checkbox); - this.x -= s; - this.y -= s; + // Match original value + this.updateDisplay(); - return this; + function onChange() { + _this.setValue(!_this.__prev); + } - }, + }; - subVectors: function ( a, b ) { + BooleanController.superclass = Controller; - this.x = a.x - b.x; - this.y = a.y - b.y; + common.extend( - return this; + BooleanController.prototype, + Controller.prototype, - }, + { - multiply: function ( v ) { + setValue: function(v) { + var toReturn = BooleanController.superclass.prototype.setValue.call(this, v); + if (this.__onFinishChange) { + this.__onFinishChange.call(this, this.getValue()); + } + this.__prev = this.getValue(); + return toReturn; + }, - this.x *= v.x; - this.y *= v.y; + updateDisplay: function() { + + if (this.getValue() === true) { + this.__checkbox.setAttribute('checked', 'checked'); + this.__checkbox.checked = true; + } else { + this.__checkbox.checked = false; + } - return this; + return BooleanController.superclass.prototype.updateDisplay.call(this); - }, + } - multiplyScalar: function ( scalar ) { - if ( isFinite( scalar ) ) { + } - this.x *= scalar; - this.y *= scalar; + ); - } else { + return BooleanController; - this.x = 0; - this.y = 0; + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common); - } - return this; + dat.color.toString = (function (common) { - }, + return function(color) { - divide: function ( v ) { + if (color.a == 1 || common.isUndefined(color.a)) { - this.x /= v.x; - this.y /= v.y; + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } - return this; + return '#' + s; - }, + } else { - divideScalar: function ( scalar ) { + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; - return this.multiplyScalar( 1 / scalar ); + } - }, + } - min: function ( v ) { + })(dat.utils.common); - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - return this; + dat.color.interpret = (function (toString, common) { - }, + var result, toReturn; - max: function ( v ) { + var interpret = function() { - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); + toReturn = false; - return this; + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; - }, + common.each(INTERPRETATIONS, function(family) { - clamp: function ( min, max ) { + if (family.litmus(original)) { - // This function assumes min < max, if this assumption isn't true it will not operate correctly + common.each(family.conversions, function(conversion, conversionName) { - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + result = conversion.read(original); - return this; + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; - }, + } - clampScalar: function () { + }); - var min, max; + return common.BREAK; - return function clampScalar( minVal, maxVal ) { + } - if ( min === undefined ) { + }); - min = new Vector2(); - max = new Vector2(); + return toReturn; - } + }; - min.set( minVal, minVal ); - max.set( maxVal, maxVal ); + var INTERPRETATIONS = [ - return this.clamp( min, max ); + // Strings + { - }; + litmus: common.isString, - }(), + conversions: { - clampLength: function ( min, max ) { + THREE_CHAR_HEX: { - var length = this.length(); + read: function(original) { - return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; - }, + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; - floor: function () { + }, - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); + write: toString - return this; + }, - }, + SIX_CHAR_HEX: { - ceil: function () { + read: function(original) { - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; - return this; + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; - }, + }, - round: function () { + write: toString - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); + }, - return this; + CSS_RGB: { - }, + read: function(original) { - roundToZero: function () { + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; - return this; + }, - }, + write: toString - negate: function () { + }, - this.x = - this.x; - this.y = - this.y; + CSS_RGBA: { - return this; + read: function(original) { - }, + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; - dot: function ( v ) { + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; - return this.x * v.x + this.y * v.y; + }, - }, + write: toString - lengthSq: function () { + } - return this.x * this.x + this.y * this.y; + } - }, + }, - length: function () { + // Numbers + { - return Math.sqrt( this.x * this.x + this.y * this.y ); + litmus: common.isNumber, - }, + conversions: { - lengthManhattan: function() { + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, - return Math.abs( this.x ) + Math.abs( this.y ); + write: function(color) { + return color.hex; + } + } - }, + } - normalize: function () { + }, - return this.divideScalar( this.length() ); + // Arrays + { - }, + litmus: common.isArray, - angle: function () { + conversions: { - // computes the angle in radians with respect to the positive x-axis + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, - var angle = Math.atan2( this.y, this.x ); + write: function(color) { + return [color.r, color.g, color.b]; + } - if ( angle < 0 ) angle += 2 * Math.PI; + }, - return angle; + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, - }, + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } - distanceTo: function ( v ) { + } - return Math.sqrt( this.distanceToSquared( v ) ); + } - }, + }, - distanceToSquared: function ( v ) { + // Objects + { - var dx = this.x - v.x, dy = this.y - v.y; - return dx * dx + dy * dy; + litmus: common.isObject, - }, + conversions: { - distanceToManhattan: function ( v ) { + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, - return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, - }, + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, - setLength: function ( length ) { + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, - return this.multiplyScalar( length / this.length() ); + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, - }, + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, - lerp: function ( v, alpha ) { + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } - return this; + } - }, + } - lerpVectors: function ( v1, v2, alpha ) { + } - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - }, + ]; - equals: function ( v ) { + return interpret; - return ( ( v.x === this.x ) && ( v.y === this.y ) ); - }, + })(dat.color.toString, + dat.utils.common); - fromArray: function ( array, offset ) { - if ( offset === undefined ) offset = 0; + dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) { - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; + css.inject(styleSheet); - return this; + /** Outer-most className for GUI's */ + var CSS_NAMESPACE = 'dg'; - }, + var HIDE_KEY_CODE = 72; - toArray: function ( array, offset ) { + /** The only value shared between the JS and SCSS. Use caution. */ + var CLOSE_BUTTON_HEIGHT = 20; - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + var DEFAULT_DEFAULT_PRESET_NAME = 'Default'; - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; + var SUPPORTS_LOCAL_STORAGE = (function() { + try { + return 'localStorage' in window && window['localStorage'] !== null; + } catch (e) { + return false; + } + })(); - return array; + var SAVE_DIALOGUE; - }, + /** Have we yet to create an autoPlace GUI? */ + var auto_place_virgin = true; - fromAttribute: function ( attribute, index, offset ) { + /** Fixed position div that auto place GUI's go inside */ + var auto_place_container; - if ( offset === undefined ) offset = 0; + /** Are we hiding the GUI's ? */ + var hide = false; - index = index * attribute.itemSize + offset; + /** GUI's which should be hidden */ + var hideable_guis = []; - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; + /** + * A lightweight controller library for JavaScript. It allows you to easily + * manipulate variables and fire functions on the fly. + * @class + * + * @member dat.gui + * + * @param {Object} [params] + * @param {String} [params.name] The name of this GUI. + * @param {Object} [params.load] JSON object representing the saved state of + * this GUI. + * @param {Boolean} [params.auto=true] + * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in. + * @param {Boolean} [params.closed] If true, starts closed + */ + var GUI = function(params) { - return this; + var _this = this; - }, + /** + * Outermost DOM Element + * @type DOMElement + */ + this.domElement = document.createElement('div'); + this.__ul = document.createElement('ul'); + this.domElement.appendChild(this.__ul); - rotateAround: function ( center, angle ) { + dom.addClass(this.domElement, CSS_NAMESPACE); - var c = Math.cos( angle ), s = Math.sin( angle ); + /** + * Nested GUI's by name + * @ignore + */ + this.__folders = {}; - var x = this.x - center.x; - var y = this.y - center.y; + this.__controllers = []; - this.x = x * c - y * s + center.x; - this.y = x * s + y * c + center.y; + /** + * List of objects I'm remembering for save, only used in top level GUI + * @ignore + */ + this.__rememberedObjects = []; - return this; + /** + * Maps the index of remembered objects to a map of controllers, only used + * in top level GUI. + * + * @private + * @ignore + * + * @example + * [ + * { + * propertyName: Controller, + * anotherPropertyName: Controller + * }, + * { + * propertyName: Controller + * } + * ] + */ + this.__rememberedObjectIndecesToControllers = []; - } + this.__listening = []; - }; + params = params || {}; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - */ + // Default parameters + params = common.defaults(params, { + autoPlace: true, + width: GUI.DEFAULT_WIDTH + }); - function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + params = common.defaults(params, { + resizable: params.autoPlace, + hideable: params.autoPlace + }); - Object.defineProperty( this, 'id', { value: TextureIdCount() } ); - this.uuid = _Math.generateUUID(); + if (!common.isUndefined(params.load)) { - this.name = ''; - this.sourceFile = ''; + // Explicit preset + if (params.preset) params.load.preset = params.preset; - this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; - this.mipmaps = []; + } else { - this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; + params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME }; - this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; - this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; + } - this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; - this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter; + if (common.isUndefined(params.parent) && params.hideable) { + hideable_guis.push(this); + } - this.anisotropy = anisotropy !== undefined ? anisotropy : 1; + // Only root level GUI's are resizable. + params.resizable = common.isUndefined(params.parent) && params.resizable; - this.format = format !== undefined ? format : RGBAFormat; - this.type = type !== undefined ? type : UnsignedByteType; - this.offset = new Vector2( 0, 0 ); - this.repeat = new Vector2( 1, 1 ); + if (params.autoPlace && common.isUndefined(params.scrollable)) { + params.scrollable = true; + } + // params.scrollable = common.isUndefined(params.parent) && params.scrollable === true; - this.generateMipmaps = true; - this.premultiplyAlpha = false; - this.flipY = true; - this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + // Not part of params because I don't want people passing this in via + // constructor. Should be a 'remembered' value. + var use_local_storage = + SUPPORTS_LOCAL_STORAGE && + localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true'; + Object.defineProperties(this, - // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. - // - // Also changing the encoding after already used by a Material will not automatically make the Material - // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. - this.encoding = encoding !== undefined ? encoding : LinearEncoding; + /** @lends dat.gui.GUI.prototype */ + { - this.version = 0; - this.onUpdate = null; + /** + * The parent GUI + * @type dat.gui.GUI + */ + parent: { + get: function() { + return params.parent; + } + }, - } + scrollable: { + get: function() { + return params.scrollable; + } + }, - Texture.DEFAULT_IMAGE = undefined; - Texture.DEFAULT_MAPPING = UVMapping; + /** + * Handles GUI's element placement for you + * @type Boolean + */ + autoPlace: { + get: function() { + return params.autoPlace; + } + }, - Texture.prototype = { + /** + * The identifier for a set of saved values + * @type String + */ + preset: { - constructor: Texture, + get: function() { + if (_this.parent) { + return _this.getRoot().preset; + } else { + return params.load.preset; + } + }, - isTexture: true, + set: function(v) { + if (_this.parent) { + _this.getRoot().preset = v; + } else { + params.load.preset = v; + } + setPresetSelectIndex(this); + _this.revert(); + } - set needsUpdate( value ) { + }, - if ( value === true ) this.version ++; + /** + * The width of GUI element + * @type Number + */ + width: { + get: function() { + return params.width; + }, + set: function(v) { + params.width = v; + setWidth(_this, v); + } + }, - }, + /** + * The name of GUI. Used for folders. i.e + * a folder's name + * @type String + */ + name: { + get: function() { + return params.name; + }, + set: function(v) { + // TODO Check for collisions among sibling folders + params.name = v; + if (title_row_name) { + title_row_name.innerHTML = params.name; + } + } + }, - clone: function () { + /** + * Whether the GUI is collapsed or not + * @type Boolean + */ + closed: { + get: function() { + return params.closed; + }, + set: function(v) { + params.closed = v; + if (params.closed) { + dom.addClass(_this.__ul, GUI.CLASS_CLOSED); + } else { + dom.removeClass(_this.__ul, GUI.CLASS_CLOSED); + } + // For browsers that aren't going to respect the CSS transition, + // Lets just check our height against the window height right off + // the bat. + this.onResize(); - return new this.constructor().copy( this ); + if (_this.__closeButton) { + _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED; + } + } + }, - }, + /** + * Contains all presets + * @type Object + */ + load: { + get: function() { + return params.load; + } + }, - copy: function ( source ) { + /** + * Determines whether or not to use localStorage as the means for + * remembering + * @type Boolean + */ + useLocalStorage: { - this.image = source.image; - this.mipmaps = source.mipmaps.slice( 0 ); + get: function() { + return use_local_storage; + }, + set: function(bool) { + if (SUPPORTS_LOCAL_STORAGE) { + use_local_storage = bool; + if (bool) { + dom.bind(window, 'unload', saveToLocalStorage); + } else { + dom.unbind(window, 'unload', saveToLocalStorage); + } + localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool); + } + } - this.mapping = source.mapping; + } - this.wrapS = source.wrapS; - this.wrapT = source.wrapT; + }); - this.magFilter = source.magFilter; - this.minFilter = source.minFilter; + // Are we a root level GUI? + if (common.isUndefined(params.parent)) { - this.anisotropy = source.anisotropy; + params.closed = false; - this.format = source.format; - this.type = source.type; + dom.addClass(this.domElement, GUI.CLASS_MAIN); + dom.makeSelectable(this.domElement, false); - this.offset.copy( source.offset ); - this.repeat.copy( source.repeat ); + // Are we supposed to be loading locally? + if (SUPPORTS_LOCAL_STORAGE) { - this.generateMipmaps = source.generateMipmaps; - this.premultiplyAlpha = source.premultiplyAlpha; - this.flipY = source.flipY; - this.unpackAlignment = source.unpackAlignment; - this.encoding = source.encoding; + if (use_local_storage) { - return this; + _this.useLocalStorage = true; - }, + var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui')); - toJSON: function ( meta ) { + if (saved_gui) { + params.load = JSON.parse(saved_gui); + } - if ( meta.textures[ this.uuid ] !== undefined ) { + } - return meta.textures[ this.uuid ]; + } - } + this.__closeButton = document.createElement('div'); + this.__closeButton.innerHTML = GUI.TEXT_CLOSED; + dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON); + this.domElement.appendChild(this.__closeButton); - function getDataURL( image ) { + dom.bind(this.__closeButton, 'click', function() { - var canvas; + _this.closed = !_this.closed; - if ( image.toDataURL !== undefined ) { - canvas = image; + }); - } else { - canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = image.width; - canvas.height = image.height; + // Oh, you're a nested GUI! + } else { - canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); + if (params.closed === undefined) { + params.closed = true; + } - } + var title_row_name = document.createTextNode(params.name); + dom.addClass(title_row_name, 'controller-name'); - if ( canvas.width > 2048 || canvas.height > 2048 ) { + var title_row = addRow(_this, title_row_name); - return canvas.toDataURL( 'image/jpeg', 0.6 ); + var on_click_title = function(e) { + e.preventDefault(); + _this.closed = !_this.closed; + return false; + }; - } else { + dom.addClass(this.__ul, GUI.CLASS_CLOSED); - return canvas.toDataURL( 'image/png' ); + dom.addClass(title_row, 'title'); + dom.bind(title_row, 'click', on_click_title); - } + if (!params.closed) { + this.closed = false; + } - } + } - var output = { - metadata: { - version: 4.4, - type: 'Texture', - generator: 'Texture.toJSON' - }, + if (params.autoPlace) { - uuid: this.uuid, - name: this.name, + if (common.isUndefined(params.parent)) { - mapping: this.mapping, + if (auto_place_virgin) { + auto_place_container = document.createElement('div'); + dom.addClass(auto_place_container, CSS_NAMESPACE); + dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER); + document.body.appendChild(auto_place_container); + auto_place_virgin = false; + } - repeat: [ this.repeat.x, this.repeat.y ], - offset: [ this.offset.x, this.offset.y ], - wrap: [ this.wrapS, this.wrapT ], + // Put it in the dom for you. + auto_place_container.appendChild(this.domElement); - minFilter: this.minFilter, - magFilter: this.magFilter, - anisotropy: this.anisotropy, + // Apply the auto styles + dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE); - flipY: this.flipY - }; + } - if ( this.image !== undefined ) { - // TODO: Move to THREE.Image + // Make it not elastic. + if (!this.parent) setWidth(_this, params.width); - var image = this.image; + } - if ( image.uuid === undefined ) { + dom.bind(window, 'resize', function() { _this.onResize() }); + dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); }); + dom.bind(this.__ul, 'transitionend', function() { _this.onResize() }); + dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() }); + this.onResize(); - image.uuid = _Math.generateUUID(); // UGH - } + if (params.resizable) { + addResizeHandle(this); + } - if ( meta.images[ image.uuid ] === undefined ) { + function saveToLocalStorage() { + localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject())); + } - meta.images[ image.uuid ] = { - uuid: image.uuid, - url: getDataURL( image ) - }; + var root = _this.getRoot(); + function resetWidth() { + var root = _this.getRoot(); + root.width += 1; + common.defer(function() { + root.width -= 1; + }); + } - } + if (!params.parent) { + resetWidth(); + } - output.image = image.uuid; + }; - } + GUI.toggleHide = function() { - meta.textures[ this.uuid ] = output; + hide = !hide; + common.each(hideable_guis, function(gui) { + gui.domElement.style.zIndex = hide ? -999 : 999; + gui.domElement.style.opacity = hide ? 0 : 1; + }); + }; - return output; + GUI.CLASS_AUTO_PLACE = 'a'; + GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac'; + GUI.CLASS_MAIN = 'main'; + GUI.CLASS_CONTROLLER_ROW = 'cr'; + GUI.CLASS_TOO_TALL = 'taller-than-window'; + GUI.CLASS_CLOSED = 'closed'; + GUI.CLASS_CLOSE_BUTTON = 'close-button'; + GUI.CLASS_DRAG = 'drag'; - }, + GUI.DEFAULT_WIDTH = 245; + GUI.TEXT_CLOSED = 'Close Controls'; + GUI.TEXT_OPEN = 'Open Controls'; - dispose: function () { + dom.bind(window, 'keydown', function(e) { - this.dispatchEvent( { type: 'dispose' } ); + if (document.activeElement.type !== 'text' && + (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) { + GUI.toggleHide(); + } - }, + }, false); - transformUv: function ( uv ) { + common.extend( - if ( this.mapping !== UVMapping ) return; + GUI.prototype, - uv.multiply( this.repeat ); - uv.add( this.offset ); + /** @lends dat.gui.GUI */ + { - if ( uv.x < 0 || uv.x > 1 ) { + /** + * @param object + * @param property + * @returns {dat.controllers.Controller} The new controller that was added. + * @instance + */ + add: function(object, property) { - switch ( this.wrapS ) { + return add( + this, + object, + property, + { + factoryArgs: Array.prototype.slice.call(arguments, 2) + } + ); - case RepeatWrapping: + }, - uv.x = uv.x - Math.floor( uv.x ); - break; + /** + * @param object + * @param property + * @returns {dat.controllers.ColorController} The new controller that was added. + * @instance + */ + addColor: function(object, property) { - case ClampToEdgeWrapping: + return add( + this, + object, + property, + { + color: true + } + ); - uv.x = uv.x < 0 ? 0 : 1; - break; + }, - case MirroredRepeatWrapping: + /** + * @param controller + * @instance + */ + remove: function(controller) { - if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + // TODO listening? + this.__ul.removeChild(controller.__li); + this.__controllers.slice(this.__controllers.indexOf(controller), 1); + var _this = this; + common.defer(function() { + _this.onResize(); + }); - uv.x = Math.ceil( uv.x ) - uv.x; + }, - } else { + destroy: function() { - uv.x = uv.x - Math.floor( uv.x ); + if (this.autoPlace) { + auto_place_container.removeChild(this.domElement); + } - } - break; + }, - } + /** + * @param name + * @returns {dat.gui.GUI} The new folder. + * @throws {Error} if this GUI already has a folder by the specified + * name + * @instance + */ + addFolder: function(name) { - } + // We have to prevent collisions on names in order to have a key + // by which to remember saved values + if (this.__folders[name] !== undefined) { + throw new Error('You already have a folder in this GUI by the' + + ' name "' + name + '"'); + } - if ( uv.y < 0 || uv.y > 1 ) { + var new_gui_params = { name: name, parent: this }; - switch ( this.wrapT ) { + // We need to pass down the autoPlace trait so that we can + // attach event listeners to open/close folder actions to + // ensure that a scrollbar appears if the window is too short. + new_gui_params.autoPlace = this.autoPlace; - case RepeatWrapping: + // Do we have saved appearance data for this folder? - uv.y = uv.y - Math.floor( uv.y ); - break; + if (this.load && // Anything loaded? + this.load.folders && // Was my parent a dead-end? + this.load.folders[name]) { // Did daddy remember me? - case ClampToEdgeWrapping: + // Start me closed if I was closed + new_gui_params.closed = this.load.folders[name].closed; - uv.y = uv.y < 0 ? 0 : 1; - break; + // Pass down the loaded data + new_gui_params.load = this.load.folders[name]; - case MirroredRepeatWrapping: + } - if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + var gui = new GUI(new_gui_params); + this.__folders[name] = gui; - uv.y = Math.ceil( uv.y ) - uv.y; + var li = addRow(this, gui.domElement); + dom.addClass(li, 'folder'); + return gui; - } else { + }, - uv.y = uv.y - Math.floor( uv.y ); + open: function() { + this.closed = false; + }, - } - break; + close: function() { + this.closed = true; + }, - } + onResize: function() { - } + var root = this.getRoot(); - if ( this.flipY ) { + if (root.scrollable) { - uv.y = 1 - uv.y; + var top = dom.getOffset(root.__ul).top; + var h = 0; - } + common.each(root.__ul.childNodes, function(node) { + if (! (root.autoPlace && node === root.__save_row)) + h += dom.getHeight(node); + }); - } + if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) { + dom.addClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px'; + } else { + dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL); + root.__ul.style.height = 'auto'; + } - }; + } - Object.assign( Texture.prototype, EventDispatcher.prototype ); + if (root.__resize_handle) { + common.defer(function() { + root.__resize_handle.style.height = root.__ul.offsetHeight + 'px'; + }); + } - var count = 0; - function TextureIdCount() { return count++; } + if (root.__closeButton) { + root.__closeButton.style.width = root.width + 'px'; + } - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ - * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ - * @author WestLangley / http://github.com/WestLangley - */ + }, - function Vector4( x, y, z, w ) { + /** + * Mark objects for saving. The order of these objects cannot change as + * the GUI grows. When remembering new objects, append them to the end + * of the list. + * + * @param {Object...} objects + * @throws {Error} if not called on a top level GUI. + * @instance + */ + remember: function() { - this.x = x || 0; - this.y = y || 0; - this.z = z || 0; - this.w = ( w !== undefined ) ? w : 1; + if (common.isUndefined(SAVE_DIALOGUE)) { + SAVE_DIALOGUE = new CenteredDiv(); + SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents; + } - } + if (this.parent) { + throw new Error("You can only call remember on a top level GUI."); + } - Vector4.prototype = { + var _this = this; - constructor: Vector4, + common.each(Array.prototype.slice.call(arguments), function(object) { + if (_this.__rememberedObjects.length == 0) { + addSaveMenu(_this); + } + if (_this.__rememberedObjects.indexOf(object) == -1) { + _this.__rememberedObjects.push(object); + } + }); - isVector4: true, + if (this.autoPlace) { + // Set save row width + setWidth(this, this.width); + } - set: function ( x, y, z, w ) { + }, - this.x = x; - this.y = y; - this.z = z; - this.w = w; + /** + * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI. + * @instance + */ + getRoot: function() { + var gui = this; + while (gui.parent) { + gui = gui.parent; + } + return gui; + }, - return this; + /** + * @returns {Object} a JSON object representing the current state of + * this GUI as well as its remembered properties. + * @instance + */ + getSaveObject: function() { - }, + var toReturn = this.load; - setScalar: function ( scalar ) { + toReturn.closed = this.closed; - this.x = scalar; - this.y = scalar; - this.z = scalar; - this.w = scalar; + // Am I remembering any values? + if (this.__rememberedObjects.length > 0) { - return this; + toReturn.preset = this.preset; - }, + if (!toReturn.remembered) { + toReturn.remembered = {}; + } - setX: function ( x ) { + toReturn.remembered[this.preset] = getCurrentPreset(this); - this.x = x; + } - return this; + toReturn.folders = {}; + common.each(this.__folders, function(element, key) { + toReturn.folders[key] = element.getSaveObject(); + }); - }, + return toReturn; - setY: function ( y ) { + }, - this.y = y; + save: function() { - return this; + if (!this.load.remembered) { + this.load.remembered = {}; + } - }, + this.load.remembered[this.preset] = getCurrentPreset(this); + markPresetModified(this, false); - setZ: function ( z ) { + }, - this.z = z; + saveAs: function(presetName) { - return this; + if (!this.load.remembered) { - }, + // Retain default values upon first save + this.load.remembered = {}; + this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true); - setW: function ( w ) { + } - this.w = w; + this.load.remembered[presetName] = getCurrentPreset(this); + this.preset = presetName; + addPresetOption(this, presetName, true); - return this; + }, - }, + revert: function(gui) { - setComponent: function ( index, value ) { + common.each(this.__controllers, function(controller) { + // Make revert work on Default. + if (!this.getRoot().load.remembered) { + controller.setValue(controller.initialValue); + } else { + recallSavedValue(gui || this.getRoot(), controller); + } + }, this); - switch ( index ) { + common.each(this.__folders, function(folder) { + folder.revert(folder); + }); - case 0: this.x = value; break; - case 1: this.y = value; break; - case 2: this.z = value; break; - case 3: this.w = value; break; - default: throw new Error( 'index is out of range: ' + index ); + if (!gui) { + markPresetModified(this.getRoot(), false); + } - } - - return this; - }, + }, - getComponent: function ( index ) { + listen: function(controller) { - switch ( index ) { + var init = this.__listening.length == 0; + this.__listening.push(controller); + if (init) updateDisplays(this.__listening); - case 0: return this.x; - case 1: return this.y; - case 2: return this.z; - case 3: return this.w; - default: throw new Error( 'index is out of range: ' + index ); + } - } + } - }, + ); - clone: function () { + function add(gui, object, property, params) { - return new this.constructor( this.x, this.y, this.z, this.w ); + if (object[property] === undefined) { + throw new Error("Object " + object + " has no property \"" + property + "\""); + } - }, + var controller; - copy: function ( v ) { + if (params.color) { - this.x = v.x; - this.y = v.y; - this.z = v.z; - this.w = ( v.w !== undefined ) ? v.w : 1; + controller = new ColorController(object, property); - return this; + } else { - }, + var factoryArgs = [object,property].concat(params.factoryArgs); + controller = controllerFactory.apply(gui, factoryArgs); - add: function ( v, w ) { + } - if ( w !== undefined ) { + if (params.before instanceof Controller) { + params.before = params.before.__li; + } - console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); + recallSavedValue(gui, controller); - } + dom.addClass(controller.domElement, 'c'); - this.x += v.x; - this.y += v.y; - this.z += v.z; - this.w += v.w; + var name = document.createElement('span'); + dom.addClass(name, 'property-name'); + name.innerHTML = controller.property; - return this; + var container = document.createElement('div'); + container.appendChild(name); + container.appendChild(controller.domElement); - }, + var li = addRow(gui, container, params.before); - addScalar: function ( s ) { + dom.addClass(li, GUI.CLASS_CONTROLLER_ROW); + dom.addClass(li, typeof controller.getValue()); - this.x += s; - this.y += s; - this.z += s; - this.w += s; + augmentController(gui, li, controller); - return this; + gui.__controllers.push(controller); - }, + return controller; - addVectors: function ( a, b ) { + } - this.x = a.x + b.x; - this.y = a.y + b.y; - this.z = a.z + b.z; - this.w = a.w + b.w; + /** + * Add a row to the end of the GUI or before another row. + * + * @param gui + * @param [dom] If specified, inserts the dom content in the new row + * @param [liBefore] If specified, places the new row before another row + */ + function addRow(gui, dom, liBefore) { + var li = document.createElement('li'); + if (dom) li.appendChild(dom); + if (liBefore) { + gui.__ul.insertBefore(li, params.before); + } else { + gui.__ul.appendChild(li); + } + gui.onResize(); + return li; + } - return this; + function augmentController(gui, li, controller) { - }, + controller.__li = li; + controller.__gui = gui; - addScaledVector: function ( v, s ) { + common.extend(controller, { - this.x += v.x * s; - this.y += v.y * s; - this.z += v.z * s; - this.w += v.w * s; + options: function(options) { - return this; + if (arguments.length > 1) { + controller.remove(); - }, + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [common.toArray(arguments)] + } + ); - sub: function ( v, w ) { + } - if ( w !== undefined ) { + if (common.isArray(options) || common.isObject(options)) { + controller.remove(); - console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [options] + } + ); - } + } - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; - this.w -= v.w; + }, - return this; + name: function(v) { + controller.__li.firstElementChild.firstElementChild.innerHTML = v; + return controller; + }, - }, + listen: function() { + controller.__gui.listen(controller); + return controller; + }, - subScalar: function ( s ) { + remove: function() { + controller.__gui.remove(controller); + return controller; + } - this.x -= s; - this.y -= s; - this.z -= s; - this.w -= s; + }); - return this; + // All sliders should be accompanied by a box. + if (controller instanceof NumberControllerSlider) { - }, + var box = new NumberControllerBox(controller.object, controller.property, + { min: controller.__min, max: controller.__max, step: controller.__step }); - subVectors: function ( a, b ) { + common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) { + var pc = controller[method]; + var pb = box[method]; + controller[method] = box[method] = function() { + var args = Array.prototype.slice.call(arguments); + pc.apply(controller, args); + return pb.apply(box, args); + } + }); - this.x = a.x - b.x; - this.y = a.y - b.y; - this.z = a.z - b.z; - this.w = a.w - b.w; + dom.addClass(li, 'has-slider'); + controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild); - return this; + } + else if (controller instanceof NumberControllerBox) { - }, + var r = function(returned) { - multiplyScalar: function ( scalar ) { + // Have we defined both boundaries? + if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) { - if ( isFinite( scalar ) ) { + // Well, then lets just replace this with a slider. + controller.remove(); + return add( + gui, + controller.object, + controller.property, + { + before: controller.__li.nextElementSibling, + factoryArgs: [controller.__min, controller.__max, controller.__step] + }); - this.x *= scalar; - this.y *= scalar; - this.z *= scalar; - this.w *= scalar; + } - } else { + return returned; - this.x = 0; - this.y = 0; - this.z = 0; - this.w = 0; + }; - } + controller.min = common.compose(r, controller.min); + controller.max = common.compose(r, controller.max); - return this; + } + else if (controller instanceof BooleanController) { - }, + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__checkbox, 'click'); + }); - applyMatrix4: function ( m ) { + dom.bind(controller.__checkbox, 'click', function(e) { + e.stopPropagation(); // Prevents double-toggle + }) - var x = this.x, y = this.y, z = this.z, w = this.w; - var e = m.elements; + } + else if (controller instanceof FunctionController) { - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; - this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + dom.bind(li, 'click', function() { + dom.fakeEvent(controller.__button, 'click'); + }); - return this; + dom.bind(li, 'mouseover', function() { + dom.addClass(controller.__button, 'hover'); + }); - }, + dom.bind(li, 'mouseout', function() { + dom.removeClass(controller.__button, 'hover'); + }); - divideScalar: function ( scalar ) { + } + else if (controller instanceof ColorController) { - return this.multiplyScalar( 1 / scalar ); + dom.addClass(li, 'color'); + controller.updateDisplay = common.compose(function(r) { + li.style.borderLeftColor = controller.__color.toString(); + return r; + }, controller.updateDisplay); - }, + controller.updateDisplay(); - setAxisAngleFromQuaternion: function ( q ) { + } - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + controller.setValue = common.compose(function(r) { + if (gui.getRoot().__preset_select && controller.isModified()) { + markPresetModified(gui.getRoot(), true); + } + return r; + }, controller.setValue); - // q is assumed to be normalized + } - this.w = 2 * Math.acos( q.w ); + function recallSavedValue(gui, controller) { - var s = Math.sqrt( 1 - q.w * q.w ); + // Find the topmost GUI, that's where remembered objects live. + var root = gui.getRoot(); - if ( s < 0.0001 ) { + // Does the object we're controlling match anything we've been told to + // remember? + var matched_index = root.__rememberedObjects.indexOf(controller.object); - this.x = 1; - this.y = 0; - this.z = 0; + // Why yes, it does! + if (matched_index != -1) { - } else { + // Let me fetch a map of controllers for thcommon.isObject. + var controller_map = + root.__rememberedObjectIndecesToControllers[matched_index]; - this.x = q.x / s; - this.y = q.y / s; - this.z = q.z / s; + // Ohp, I believe this is the first controller we've created for this + // object. Lets make the map fresh. + if (controller_map === undefined) { + controller_map = {}; + root.__rememberedObjectIndecesToControllers[matched_index] = + controller_map; + } - } + // Keep track of this controller + controller_map[controller.property] = controller; - return this; + // Okay, now have we saved any values for this controller? + if (root.load && root.load.remembered) { - }, + var preset_map = root.load.remembered; - setAxisAngleFromRotationMatrix: function ( m ) { + // Which preset are we trying to load? + var preset; - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + if (preset_map[gui.preset]) { - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + preset = preset_map[gui.preset]; - var angle, x, y, z, // variables for result - epsilon = 0.01, // margin to allow for rounding errors - epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) { - te = m.elements, + // Uhh, you can have the default instead? + preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME]; - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + } else { - if ( ( Math.abs( m12 - m21 ) < epsilon ) && - ( Math.abs( m13 - m31 ) < epsilon ) && - ( Math.abs( m23 - m32 ) < epsilon ) ) { + // Nada. - // singularity found - // first check for identity matrix which must have +1 for all terms - // in leading diagonal and zero in other terms + return; - if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && - ( Math.abs( m13 + m31 ) < epsilon2 ) && - ( Math.abs( m23 + m32 ) < epsilon2 ) && - ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + } - // this singularity is identity matrix so angle = 0 - this.set( 1, 0, 0, 0 ); + // Did the loaded object remember thcommon.isObject? + if (preset[matched_index] && - return this; // zero angle, arbitrary axis + // Did we remember this particular property? + preset[matched_index][controller.property] !== undefined) { - } + // We did remember something for this guy ... + var value = preset[matched_index][controller.property]; - // otherwise this singularity is angle = 180 + // And that's what it is. + controller.initialValue = value; + controller.setValue(value); - angle = Math.PI; + } - var xx = ( m11 + 1 ) / 2; - var yy = ( m22 + 1 ) / 2; - var zz = ( m33 + 1 ) / 2; - var xy = ( m12 + m21 ) / 4; - var xz = ( m13 + m31 ) / 4; - var yz = ( m23 + m32 ) / 4; + } - if ( ( xx > yy ) && ( xx > zz ) ) { + } - // m11 is the largest diagonal term + } - if ( xx < epsilon ) { + function getLocalStorageHash(gui, key) { + // TODO how does this deal with multiple GUI's? + return document.location.href + '.' + key; - x = 0; - y = 0.707106781; - z = 0.707106781; + } - } else { + function addSaveMenu(gui) { - x = Math.sqrt( xx ); - y = xy / x; - z = xz / x; + var div = gui.__save_row = document.createElement('li'); - } + dom.addClass(gui.domElement, 'has-save'); - } else if ( yy > zz ) { + gui.__ul.insertBefore(div, gui.__ul.firstChild); - // m22 is the largest diagonal term + dom.addClass(div, 'save-row'); - if ( yy < epsilon ) { + var gears = document.createElement('span'); + gears.innerHTML = ' '; + dom.addClass(gears, 'button gears'); - x = 0.707106781; - y = 0; - z = 0.707106781; + // TODO replace with FunctionController + var button = document.createElement('span'); + button.innerHTML = 'Save'; + dom.addClass(button, 'button'); + dom.addClass(button, 'save'); - } else { + var button2 = document.createElement('span'); + button2.innerHTML = 'New'; + dom.addClass(button2, 'button'); + dom.addClass(button2, 'save-as'); - y = Math.sqrt( yy ); - x = xy / y; - z = yz / y; + var button3 = document.createElement('span'); + button3.innerHTML = 'Revert'; + dom.addClass(button3, 'button'); + dom.addClass(button3, 'revert'); - } + var select = gui.__preset_select = document.createElement('select'); - } else { + if (gui.load && gui.load.remembered) { - // m33 is the largest diagonal term so base result on this + common.each(gui.load.remembered, function(value, key) { + addPresetOption(gui, key, key == gui.preset); + }); - if ( zz < epsilon ) { + } else { + addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false); + } - x = 0.707106781; - y = 0.707106781; - z = 0; + dom.bind(select, 'change', function() { - } else { - z = Math.sqrt( zz ); - x = xz / z; - y = yz / z; + for (var index = 0; index < gui.__preset_select.length; index++) { + gui.__preset_select[index].innerHTML = gui.__preset_select[index].value; + } - } + gui.preset = this.value; - } + }); - this.set( x, y, z, angle ); + div.appendChild(select); + div.appendChild(gears); + div.appendChild(button); + div.appendChild(button2); + div.appendChild(button3); - return this; // return 180 deg rotation + if (SUPPORTS_LOCAL_STORAGE) { - } + var saveLocally = document.getElementById('dg-save-locally'); + var explain = document.getElementById('dg-local-explain'); - // as we have reached here there are no singularities so we can handle normally + saveLocally.style.display = 'block'; - var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + - ( m13 - m31 ) * ( m13 - m31 ) + - ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + var localStorageCheckBox = document.getElementById('dg-local-storage'); - if ( Math.abs( s ) < 0.001 ) s = 1; + if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') { + localStorageCheckBox.setAttribute('checked', 'checked'); + } - // prevent divide by zero, should not happen if matrix is orthogonal and should be - // caught by singularity test above, but I've left it in just in case + function showHideExplain() { + explain.style.display = gui.useLocalStorage ? 'block' : 'none'; + } - this.x = ( m32 - m23 ) / s; - this.y = ( m13 - m31 ) / s; - this.z = ( m21 - m12 ) / s; - this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + showHideExplain(); - return this; + // TODO: Use a boolean controller, fool! + dom.bind(localStorageCheckBox, 'change', function() { + gui.useLocalStorage = !gui.useLocalStorage; + showHideExplain(); + }); - }, + } - min: function ( v ) { + var newConstructorTextArea = document.getElementById('dg-new-constructor'); - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - this.z = Math.min( this.z, v.z ); - this.w = Math.min( this.w, v.w ); + dom.bind(newConstructorTextArea, 'keydown', function(e) { + if (e.metaKey && (e.which === 67 || e.keyCode == 67)) { + SAVE_DIALOGUE.hide(); + } + }); - return this; + dom.bind(gears, 'click', function() { + newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2); + SAVE_DIALOGUE.show(); + newConstructorTextArea.focus(); + newConstructorTextArea.select(); + }); - }, + dom.bind(button, 'click', function() { + gui.save(); + }); - max: function ( v ) { + dom.bind(button2, 'click', function() { + var presetName = prompt('Enter a new preset name.'); + if (presetName) gui.saveAs(presetName); + }); - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - this.z = Math.max( this.z, v.z ); - this.w = Math.max( this.w, v.w ); + dom.bind(button3, 'click', function() { + gui.revert(); + }); - return this; + // div.appendChild(button2); - }, + } - clamp: function ( min, max ) { + function addResizeHandle(gui) { - // This function assumes min < max, if this assumption isn't true it will not operate correctly + gui.__resize_handle = document.createElement('div'); - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - this.z = Math.max( min.z, Math.min( max.z, this.z ) ); - this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + common.extend(gui.__resize_handle.style, { - return this; + width: '6px', + marginLeft: '-3px', + height: '200px', + cursor: 'ew-resize', + position: 'absolute' + // border: '1px solid blue' - }, + }); - clampScalar: function () { + var pmouseX; - var min, max; + dom.bind(gui.__resize_handle, 'mousedown', dragStart); + dom.bind(gui.__closeButton, 'mousedown', dragStart); - return function clampScalar( minVal, maxVal ) { + gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild); - if ( min === undefined ) { + function dragStart(e) { - min = new Vector4(); - max = new Vector4(); + e.preventDefault(); - } + pmouseX = e.clientX; - min.set( minVal, minVal, minVal, minVal ); - max.set( maxVal, maxVal, maxVal, maxVal ); + dom.addClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.bind(window, 'mousemove', drag); + dom.bind(window, 'mouseup', dragStop); - return this.clamp( min, max ); + return false; - }; + } - }(), + function drag(e) { - floor: function () { + e.preventDefault(); - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - this.z = Math.floor( this.z ); - this.w = Math.floor( this.w ); + gui.width += pmouseX - e.clientX; + gui.onResize(); + pmouseX = e.clientX; - return this; + return false; - }, + } - ceil: function () { + function dragStop() { - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - this.z = Math.ceil( this.z ); - this.w = Math.ceil( this.w ); + dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG); + dom.unbind(window, 'mousemove', drag); + dom.unbind(window, 'mouseup', dragStop); - return this; + } - }, + } - round: function () { + function setWidth(gui, w) { + gui.domElement.style.width = w + 'px'; + // Auto placed save-rows are position fixed, so we have to + // set the width manually if we want it to bleed to the edge + if (gui.__save_row && gui.autoPlace) { + gui.__save_row.style.width = w + 'px'; + }if (gui.__closeButton) { + gui.__closeButton.style.width = w + 'px'; + } + } - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - this.z = Math.round( this.z ); - this.w = Math.round( this.w ); + function getCurrentPreset(gui, useInitialValues) { - return this; + var toReturn = {}; - }, + // For each object I'm remembering + common.each(gui.__rememberedObjects, function(val, index) { - roundToZero: function () { + var saved_values = {}; - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); - this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); + // The controllers I've made for thcommon.isObject by property + var controller_map = + gui.__rememberedObjectIndecesToControllers[index]; - return this; + // Remember each value for each property + common.each(controller_map, function(controller, property) { + saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue(); + }); - }, + // Save the values for thcommon.isObject + toReturn[index] = saved_values; - negate: function () { + }); - this.x = - this.x; - this.y = - this.y; - this.z = - this.z; - this.w = - this.w; + return toReturn; - return this; + } - }, + function addPresetOption(gui, name, setSelected) { + var opt = document.createElement('option'); + opt.innerHTML = name; + opt.value = name; + gui.__preset_select.appendChild(opt); + if (setSelected) { + gui.__preset_select.selectedIndex = gui.__preset_select.length - 1; + } + } - dot: function ( v ) { + function setPresetSelectIndex(gui) { + for (var index = 0; index < gui.__preset_select.length; index++) { + if (gui.__preset_select[index].value == gui.preset) { + gui.__preset_select.selectedIndex = index; + } + } + } - return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + function markPresetModified(gui, modified) { + var opt = gui.__preset_select[gui.__preset_select.selectedIndex]; + // console.log('mark', modified, opt); + if (modified) { + opt.innerHTML = opt.value + "*"; + } else { + opt.innerHTML = opt.value; + } + } - }, + function updateDisplays(controllerArray) { - lengthSq: function () { - return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + if (controllerArray.length != 0) { - }, + requestAnimationFrame(function() { + updateDisplays(controllerArray); + }); - length: function () { + } - return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + common.each(controllerArray, function(c) { + c.updateDisplay(); + }); - }, + } - lengthManhattan: function () { + return GUI; - return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + })(dat.utils.css, + "
\n\n Here's the new load parameter for your GUI's constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI's constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
", + ".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", + dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) { - }, + return function(object, property) { - normalize: function () { + var initialValue = object[property]; - return this.divideScalar( this.length() ); + // Providing options? + if (common.isArray(arguments[2]) || common.isObject(arguments[2])) { + return new OptionController(object, property, arguments[2]); + } - }, + // Providing a map? - setLength: function ( length ) { + if (common.isNumber(initialValue)) { - return this.multiplyScalar( length / this.length() ); + if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) { - }, + // Has min and max. + return new NumberControllerSlider(object, property, arguments[2], arguments[3]); - lerp: function ( v, alpha ) { + } else { - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - this.z += ( v.z - this.z ) * alpha; - this.w += ( v.w - this.w ) * alpha; + return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] }); - return this; + } - }, + } - lerpVectors: function ( v1, v2, alpha ) { + if (common.isString(initialValue)) { + return new StringController(object, property); + } - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + if (common.isFunction(initialValue)) { + return new FunctionController(object, property, ''); + } - }, + if (common.isBoolean(initialValue)) { + return new BooleanController(object, property); + } - equals: function ( v ) { + } - return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + })(dat.controllers.OptionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.StringController = (function (Controller, dom, common) { - }, + /** + * @class Provides a text input to alter the string property of an object. + * + * @extends dat.controllers.Controller + * + * @param {Object} object The object to be manipulated + * @param {string} property The name of the property to be manipulated + * + * @member dat.controllers + */ + var StringController = function(object, property) { - fromArray: function ( array, offset ) { + StringController.superclass.call(this, object, property); - if ( offset === undefined ) offset = 0; + var _this = this; - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - this.z = array[ offset + 2 ]; - this.w = array[ offset + 3 ]; + this.__input = document.createElement('input'); + this.__input.setAttribute('type', 'text'); - return this; + dom.bind(this.__input, 'keyup', onChange); + dom.bind(this.__input, 'change', onChange); + dom.bind(this.__input, 'blur', onBlur); + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { + this.blur(); + } + }); + - }, + function onChange() { + _this.setValue(_this.__input.value); + } - toArray: function ( array, offset ) { + function onBlur() { + if (_this.__onFinishChange) { + _this.__onFinishChange.call(_this, _this.getValue()); + } + } - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + this.updateDisplay(); - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - array[ offset + 2 ] = this.z; - array[ offset + 3 ] = this.w; + this.domElement.appendChild(this.__input); - return array; + }; - }, + StringController.superclass = Controller; - fromAttribute: function ( attribute, index, offset ) { + common.extend( - if ( offset === undefined ) offset = 0; + StringController.prototype, + Controller.prototype, - index = index * attribute.itemSize + offset; + { - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; - this.z = attribute.array[ index + 2 ]; - this.w = attribute.array[ index + 3 ]; + updateDisplay: function() { + // Stops the caret from moving on account of: + // keyup -> setValue -> updateDisplay + if (!dom.isActive(this.__input)) { + this.__input.value = this.getValue(); + } + return StringController.superclass.prototype.updateDisplay.call(this); + } - return this; + } - } + ); - }; + return StringController; - /** - * @author szimek / https://github.com/szimek/ - * @author alteredq / http://alteredqualia.com/ - * @author Marius Kintel / https://github.com/kintel - */ + })(dat.controllers.Controller, + dat.dom.dom, + dat.utils.common), + dat.controllers.FunctionController, + dat.controllers.BooleanController, + dat.utils.common), + dat.controllers.Controller, + dat.controllers.BooleanController, + dat.controllers.FunctionController, + dat.controllers.NumberControllerBox, + dat.controllers.NumberControllerSlider, + dat.controllers.OptionController, + dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) { - /* - In options, we can specify: - * Texture parameters for an auto-generated target texture - * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers - */ - function WebGLRenderTarget( width, height, options ) { + var ColorController = function(object, property) { - this.uuid = _Math.generateUUID(); + ColorController.superclass.call(this, object, property); - this.width = width; - this.height = height; + this.__color = new Color(this.getValue()); + this.__temp = new Color(0); - this.scissor = new Vector4( 0, 0, width, height ); - this.scissorTest = false; + var _this = this; - this.viewport = new Vector4( 0, 0, width, height ); + this.domElement = document.createElement('div'); - options = options || {}; + dom.makeSelectable(this.domElement, false); - if ( options.minFilter === undefined ) options.minFilter = LinearFilter; + this.__selector = document.createElement('div'); + this.__selector.className = 'selector'; - this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + this.__saturation_field = document.createElement('div'); + this.__saturation_field.className = 'saturation-field'; - this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; - this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; - this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; + this.__field_knob = document.createElement('div'); + this.__field_knob.className = 'field-knob'; + this.__field_knob_border = '2px solid '; - } + this.__hue_knob = document.createElement('div'); + this.__hue_knob.className = 'hue-knob'; - Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, { + this.__hue_field = document.createElement('div'); + this.__hue_field.className = 'hue-field'; - isWebGLRenderTarget: true, + this.__input = document.createElement('input'); + this.__input.type = 'text'; + this.__input_textShadow = '0 1px 1px '; - setSize: function ( width, height ) { + dom.bind(this.__input, 'keydown', function(e) { + if (e.keyCode === 13) { // on enter + onBlur.call(this); + } + }); - if ( this.width !== width || this.height !== height ) { + dom.bind(this.__input, 'blur', onBlur); - this.width = width; - this.height = height; + dom.bind(this.__selector, 'mousedown', function(e) { - this.dispose(); + dom + .addClass(this, 'drag') + .bind(window, 'mouseup', function(e) { + dom.removeClass(_this.__selector, 'drag'); + }); - } + }); - this.viewport.set( 0, 0, width, height ); - this.scissor.set( 0, 0, width, height ); + var value_field = document.createElement('div'); - }, + common.extend(this.__selector.style, { + width: '122px', + height: '102px', + padding: '3px', + backgroundColor: '#222', + boxShadow: '0px 1px 3px rgba(0,0,0,0.3)' + }); - clone: function () { + common.extend(this.__field_knob.style, { + position: 'absolute', + width: '12px', + height: '12px', + border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'), + boxShadow: '0px 1px 3px rgba(0,0,0,0.5)', + borderRadius: '12px', + zIndex: 1 + }); + + common.extend(this.__hue_knob.style, { + position: 'absolute', + width: '15px', + height: '2px', + borderRight: '4px solid #fff', + zIndex: 1 + }); - return new this.constructor().copy( this ); + common.extend(this.__saturation_field.style, { + width: '100px', + height: '100px', + border: '1px solid #555', + marginRight: '3px', + display: 'inline-block', + cursor: 'pointer' + }); - }, + common.extend(value_field.style, { + width: '100%', + height: '100%', + background: 'none' + }); + + linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000'); - copy: function ( source ) { + common.extend(this.__hue_field.style, { + width: '15px', + height: '100px', + display: 'inline-block', + border: '1px solid #555', + cursor: 'ns-resize' + }); - this.width = source.width; - this.height = source.height; + hueGradient(this.__hue_field); - this.viewport.copy( source.viewport ); + common.extend(this.__input.style, { + outline: 'none', + // width: '120px', + textAlign: 'center', + // padding: '4px', + // marginBottom: '6px', + color: '#fff', + border: 0, + fontWeight: 'bold', + textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)' + }); - this.texture = source.texture.clone(); + dom.bind(this.__saturation_field, 'mousedown', fieldDown); + dom.bind(this.__field_knob, 'mousedown', fieldDown); - this.depthBuffer = source.depthBuffer; - this.stencilBuffer = source.stencilBuffer; - this.depthTexture = source.depthTexture; + dom.bind(this.__hue_field, 'mousedown', function(e) { + setH(e); + dom.bind(window, 'mousemove', setH); + dom.bind(window, 'mouseup', unbindH); + }); - return this; + function fieldDown(e) { + setSV(e); + // document.body.style.cursor = 'none'; + dom.bind(window, 'mousemove', setSV); + dom.bind(window, 'mouseup', unbindSV); + } - }, + function unbindSV() { + dom.unbind(window, 'mousemove', setSV); + dom.unbind(window, 'mouseup', unbindSV); + // document.body.style.cursor = 'default'; + } - dispose: function () { + function onBlur() { + var i = interpret(this.value); + if (i !== false) { + _this.__color.__state = i; + _this.setValue(_this.__color.toOriginal()); + } else { + this.value = _this.__color.toString(); + } + } - this.dispatchEvent( { type: 'dispose' } ); + function unbindH() { + dom.unbind(window, 'mousemove', setH); + dom.unbind(window, 'mouseup', unbindH); + } - } + this.__saturation_field.appendChild(value_field); + this.__selector.appendChild(this.__field_knob); + this.__selector.appendChild(this.__saturation_field); + this.__selector.appendChild(this.__hue_field); + this.__hue_field.appendChild(this.__hue_knob); - } ); + this.domElement.appendChild(this.__input); + this.domElement.appendChild(this.__selector); - /** - * @author alteredq / http://alteredqualia.com - */ + this.updateDisplay(); - function WebGLRenderTargetCube( width, height, options ) { + function setSV(e) { - WebGLRenderTarget.call( this, width, height, options ); + e.preventDefault(); - this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5 - this.activeMipMapLevel = 0; + var w = dom.getWidth(_this.__saturation_field); + var o = dom.getOffset(_this.__saturation_field); + var s = (e.clientX - o.left + document.body.scrollLeft) / w; + var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w; - } + if (v > 1) v = 1; + else if (v < 0) v = 0; - WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); - WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; + if (s > 1) s = 1; + else if (s < 0) s = 0; - WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; + _this.__color.v = v; + _this.__color.s = s; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - */ + _this.setValue(_this.__color.toOriginal()); - function Quaternion( x, y, z, w ) { - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._w = ( w !== undefined ) ? w : 1; + return false; - } + } - Quaternion.prototype = { + function setH(e) { - constructor: Quaternion, + e.preventDefault(); - get x () { + var s = dom.getHeight(_this.__hue_field); + var o = dom.getOffset(_this.__hue_field); + var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s; - return this._x; + if (h > 1) h = 1; + else if (h < 0) h = 0; - }, + _this.__color.h = h * 360; - set x ( value ) { + _this.setValue(_this.__color.toOriginal()); - this._x = value; - this.onChangeCallback(); + return false; - }, + } - get y () { + }; - return this._y; + ColorController.superclass = Controller; - }, + common.extend( - set y ( value ) { + ColorController.prototype, + Controller.prototype, - this._y = value; - this.onChangeCallback(); + { - }, + updateDisplay: function() { - get z () { + var i = interpret(this.getValue()); - return this._z; + if (i !== false) { - }, + var mismatch = false; - set z ( value ) { + // Check for mismatch on the interpreted value. - this._z = value; - this.onChangeCallback(); + common.each(Color.COMPONENTS, function(component) { + if (!common.isUndefined(i[component]) && + !common.isUndefined(this.__color.__state[component]) && + i[component] !== this.__color.__state[component]) { + mismatch = true; + return {}; // break + } + }, this); - }, + // If nothing diverges, we keep our previous values + // for statefulness, otherwise we recalculate fresh + if (mismatch) { + common.extend(this.__color.__state, i); + } - get w () { + } - return this._w; + common.extend(this.__temp.__state, this.__color.__state); - }, + this.__temp.a = 1; - set w ( value ) { + var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0; + var _flip = 255 - flip; - this._w = value; - this.onChangeCallback(); + common.extend(this.__field_knob.style, { + marginLeft: 100 * this.__color.s - 7 + 'px', + marginTop: 100 * (1 - this.__color.v) - 7 + 'px', + backgroundColor: this.__temp.toString(), + border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')' + }); - }, + this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px' - set: function ( x, y, z, w ) { + this.__temp.s = 1; + this.__temp.v = 1; - this._x = x; - this._y = y; - this._z = z; - this._w = w; + linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString()); - this.onChangeCallback(); + common.extend(this.__input.style, { + backgroundColor: this.__input.value = this.__color.toString(), + color: 'rgb(' + flip + ',' + flip + ',' + flip +')', + textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)' + }); - return this; + } - }, + } - clone: function () { + ); + + var vendors = ['-moz-','-o-','-webkit-','-ms-','']; + + function linearGradient(elem, x, a, b) { + elem.style.background = ''; + common.each(vendors, function(vendor) { + elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); '; + }); + } + + function hueGradient(elem) { + elem.style.background = ''; + elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);' + elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' + } - return new this.constructor( this._x, this._y, this._z, this._w ); - }, + return ColorController; - copy: function ( quaternion ) { + })(dat.controllers.Controller, + dat.dom.dom, + dat.color.Color = (function (interpret, math, toString, common) { - this._x = quaternion.x; - this._y = quaternion.y; - this._z = quaternion.z; - this._w = quaternion.w; + var Color = function() { - this.onChangeCallback(); + this.__state = interpret.apply(this, arguments); - return this; + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } - }, + this.__state.a = this.__state.a || 1; - setFromEuler: function ( euler, update ) { - if ( (euler && euler.isEuler) === false ) { + }; - throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; - } + common.extend(Color.prototype, { - // http://www.mathworks.com/matlabcentral/fileexchange/ - // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ - // content/SpinCalc.m + toString: function() { + return toString(this); + }, - var c1 = Math.cos( euler._x / 2 ); - var c2 = Math.cos( euler._y / 2 ); - var c3 = Math.cos( euler._z / 2 ); - var s1 = Math.sin( euler._x / 2 ); - var s2 = Math.sin( euler._y / 2 ); - var s3 = Math.sin( euler._z / 2 ); + toOriginal: function() { + return this.__state.conversion.write(this); + } - var order = euler.order; + }); - if ( order === 'XYZ' ) { + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); - } else if ( order === 'YXZ' ) { + Object.defineProperty(Color.prototype, 'a', { - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + get: function() { + return this.__state.a; + }, - } else if ( order === 'ZXY' ) { + set: function(v) { + this.__state.a = v; + } - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + }); - } else if ( order === 'ZYX' ) { + Object.defineProperty(Color.prototype, 'hex', { - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + get: function() { - } else if ( order === 'YZX' ) { + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } - this._x = s1 * c2 * c3 + c1 * s2 * s3; - this._y = c1 * s2 * c3 + s1 * c2 * s3; - this._z = c1 * c2 * s3 - s1 * s2 * c3; - this._w = c1 * c2 * c3 - s1 * s2 * s3; + return this.__state.hex; - } else if ( order === 'XZY' ) { + }, - this._x = s1 * c2 * c3 - c1 * s2 * s3; - this._y = c1 * s2 * c3 - s1 * c2 * s3; - this._z = c1 * c2 * s3 + s1 * s2 * c3; - this._w = c1 * c2 * c3 + s1 * s2 * s3; + set: function(v) { - } + this.__state.space = 'HEX'; + this.__state.hex = v; - if ( update !== false ) this.onChangeCallback(); + } - return this; + }); - }, + function defineRGBComponent(target, component, componentHexIndex) { - setFromAxisAngle: function ( axis, angle ) { + Object.defineProperty(target, component, { - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + get: function() { - // assumes axis is normalized + if (this.__state.space === 'RGB') { + return this.__state[component]; + } - var halfAngle = angle / 2, s = Math.sin( halfAngle ); + recalculateRGB(this, component, componentHexIndex); - this._x = axis.x * s; - this._y = axis.y * s; - this._z = axis.z * s; - this._w = Math.cos( halfAngle ); + return this.__state[component]; - this.onChangeCallback(); + }, - return this; + set: function(v) { - }, + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } - setFromRotationMatrix: function ( m ) { + this.__state[component] = v; - // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + } - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + }); - var te = m.elements, + } - m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], - m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], - m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + function defineHSVComponent(target, component) { - trace = m11 + m22 + m33, - s; + Object.defineProperty(target, component, { - if ( trace > 0 ) { + get: function() { - s = 0.5 / Math.sqrt( trace + 1.0 ); + if (this.__state.space === 'HSV') + return this.__state[component]; - this._w = 0.25 / s; - this._x = ( m32 - m23 ) * s; - this._y = ( m13 - m31 ) * s; - this._z = ( m21 - m12 ) * s; + recalculateHSV(this); - } else if ( m11 > m22 && m11 > m33 ) { + return this.__state[component]; - s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + }, - this._w = ( m32 - m23 ) / s; - this._x = 0.25 * s; - this._y = ( m12 + m21 ) / s; - this._z = ( m13 + m31 ) / s; + set: function(v) { - } else if ( m22 > m33 ) { + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } - s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + this.__state[component] = v; - this._w = ( m13 - m31 ) / s; - this._x = ( m12 + m21 ) / s; - this._y = 0.25 * s; - this._z = ( m23 + m32 ) / s; + } - } else { + }); - s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + } - this._w = ( m21 - m12 ) / s; - this._x = ( m13 + m31 ) / s; - this._y = ( m23 + m32 ) / s; - this._z = 0.25 * s; + function recalculateRGB(color, component, componentHexIndex) { - } + if (color.__state.space === 'HEX') { - this.onChangeCallback(); + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); - return this; + } else if (color.__state.space === 'HSV') { - }, + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); - setFromUnitVectors: function () { + } else { - // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final + throw 'Corrupted color state'; - // assumes direction vectors vFrom and vTo are normalized + } - var v1, r; + } - var EPS = 0.000001; + function recalculateHSV(color) { - return function setFromUnitVectors( vFrom, vTo ) { + var result = math.rgb_to_hsv(color.r, color.g, color.b); - if ( v1 === undefined ) v1 = new Vector3(); + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); - r = vFrom.dot( vTo ) + 1; + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } - if ( r < EPS ) { + } - r = 0; + return Color; - if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + })(dat.color.interpret, + dat.color.math = (function () { - v1.set( - vFrom.y, vFrom.x, 0 ); + var tmpComponent; - } else { + return { - v1.set( 0, - vFrom.z, vFrom.y ); + hsv_to_rgb: function(h, s, v) { - } + var hi = Math.floor(h / 60) % 6; - } else { + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; - v1.crossVectors( vFrom, vTo ); + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; - } + }, - this._x = v1.x; - this._y = v1.y; - this._z = v1.z; - this._w = r; + rgb_to_hsv: function(r, g, b) { - return this.normalize(); + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; - }; + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } - }(), + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } - inverse: function () { + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, - return this.conjugate().normalize(); + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, - }, + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, - conjugate: function () { + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } - this._x *= - 1; - this._y *= - 1; - this._z *= - 1; + } - this.onChangeCallback(); + })(), + dat.color.toString, + dat.utils.common), + dat.color.interpret, + dat.utils.common), + dat.utils.requestAnimationFrame = (function () { - return this; + /** + * requirejs version of Paul Irish's RequestAnimationFrame + * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ + */ - }, + return window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback, element) { - dot: function ( v ) { + window.setTimeout(callback, 1000 / 60); - return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + }; + })(), + dat.dom.CenteredDiv = (function (dom, common) { - }, - lengthSq: function () { + var CenteredDiv = function() { - return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + this.backgroundElement = document.createElement('div'); + common.extend(this.backgroundElement.style, { + backgroundColor: 'rgba(0,0,0,0.8)', + top: 0, + left: 0, + display: 'none', + zIndex: '1000', + opacity: 0, + WebkitTransition: 'opacity 0.2s linear' + }); - }, + dom.makeFullscreen(this.backgroundElement); + this.backgroundElement.style.position = 'fixed'; - length: function () { + this.domElement = document.createElement('div'); + common.extend(this.domElement.style, { + position: 'fixed', + display: 'none', + zIndex: '1001', + opacity: 0, + WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear' + }); - return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); - }, + document.body.appendChild(this.backgroundElement); + document.body.appendChild(this.domElement); - normalize: function () { + var _this = this; + dom.bind(this.backgroundElement, 'click', function() { + _this.hide(); + }); - var l = this.length(); - if ( l === 0 ) { + }; - this._x = 0; - this._y = 0; - this._z = 0; - this._w = 1; + CenteredDiv.prototype.show = function() { - } else { + var _this = this; + - l = 1 / l; - this._x = this._x * l; - this._y = this._y * l; - this._z = this._z * l; - this._w = this._w * l; + this.backgroundElement.style.display = 'block'; - } + this.domElement.style.display = 'block'; + this.domElement.style.opacity = 0; + // this.domElement.style.top = '52%'; + this.domElement.style.webkitTransform = 'scale(1.1)'; - this.onChangeCallback(); + this.layout(); - return this; + common.defer(function() { + _this.backgroundElement.style.opacity = 1; + _this.domElement.style.opacity = 1; + _this.domElement.style.webkitTransform = 'scale(1)'; + }); - }, + }; - multiply: function ( q, p ) { + CenteredDiv.prototype.hide = function() { - if ( p !== undefined ) { + var _this = this; - console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); - return this.multiplyQuaternions( q, p ); + var hide = function() { - } + _this.domElement.style.display = 'none'; + _this.backgroundElement.style.display = 'none'; - return this.multiplyQuaternions( this, q ); + dom.unbind(_this.domElement, 'webkitTransitionEnd', hide); + dom.unbind(_this.domElement, 'transitionend', hide); + dom.unbind(_this.domElement, 'oTransitionEnd', hide); - }, + }; - premultiply: function ( q ) { + dom.bind(this.domElement, 'webkitTransitionEnd', hide); + dom.bind(this.domElement, 'transitionend', hide); + dom.bind(this.domElement, 'oTransitionEnd', hide); - return this.multiplyQuaternions( q, this ); + this.backgroundElement.style.opacity = 0; + // this.domElement.style.top = '48%'; + this.domElement.style.opacity = 0; + this.domElement.style.webkitTransform = 'scale(1.1)'; - }, + }; - multiplyQuaternions: function ( a, b ) { + CenteredDiv.prototype.layout = function() { + this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px'; + this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px'; + }; + + function lockScroll(e) { + console.log(e); + } - // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + return CenteredDiv; - var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; - var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + })(dat.dom.dom, + dat.utils.common), + dat.dom.dom, + dat.utils.common); + +/***/ }, +/* 5 */ +/***/ function(module, exports) { + + /** + * dat-gui JavaScript Controller Library + * http://code.google.com/p/dat-gui + * + * Copyright 2011 Data Arts Team, Google Creative Lab + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + */ - this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; - this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; - this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; - this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + /** @namespace */ + var dat = module.exports = dat || {}; - this.onChangeCallback(); + /** @namespace */ + dat.color = dat.color || {}; - return this; + /** @namespace */ + dat.utils = dat.utils || {}; - }, + dat.utils.common = (function () { + + var ARR_EACH = Array.prototype.forEach; + var ARR_SLICE = Array.prototype.slice; - slerp: function ( qb, t ) { + /** + * Band-aid methods for things that should be a lot easier in JavaScript. + * Implementation and structure inspired by underscore.js + * http://documentcloud.github.com/underscore/ + */ - if ( t === 0 ) return this; - if ( t === 1 ) return this.copy( qb ); + return { + + BREAK: {}, + + extend: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (!this.isUndefined(obj[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + defaults: function(target) { + + this.each(ARR_SLICE.call(arguments, 1), function(obj) { + + for (var key in obj) + if (this.isUndefined(target[key])) + target[key] = obj[key]; + + }, this); + + return target; + + }, + + compose: function() { + var toCall = ARR_SLICE.call(arguments); + return function() { + var args = ARR_SLICE.call(arguments); + for (var i = toCall.length -1; i >= 0; i--) { + args = [toCall[i].apply(this, args)]; + } + return args[0]; + } + }, + + each: function(obj, itr, scope) { - var x = this._x, y = this._y, z = this._z, w = this._w; + + if (ARR_EACH && obj.forEach === ARR_EACH) { + + obj.forEach(itr, scope); + + } else if (obj.length === obj.length + 0) { // Is number but not NaN + + for (var key = 0, l = obj.length; key < l; key++) + if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) + return; + + } else { - // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + for (var key in obj) + if (itr.call(scope, obj[key], key) === this.BREAK) + return; + + } + + }, + + defer: function(fnc) { + setTimeout(fnc, 0); + }, + + toArray: function(obj) { + if (obj.toArray) return obj.toArray(); + return ARR_SLICE.call(obj); + }, - var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + isUndefined: function(obj) { + return obj === undefined; + }, + + isNull: function(obj) { + return obj === null; + }, + + isNaN: function(obj) { + return obj !== obj; + }, + + isArray: Array.isArray || function(obj) { + return obj.constructor === Array; + }, + + isObject: function(obj) { + return obj === Object(obj); + }, + + isNumber: function(obj) { + return obj === obj+0; + }, + + isString: function(obj) { + return obj === obj+''; + }, + + isBoolean: function(obj) { + return obj === false || obj === true; + }, + + isFunction: function(obj) { + return Object.prototype.toString.call(obj) === '[object Function]'; + } + + }; + + })(); - if ( cosHalfTheta < 0 ) { - this._w = - qb._w; - this._x = - qb._x; - this._y = - qb._y; - this._z = - qb._z; + dat.color.toString = (function (common) { - cosHalfTheta = - cosHalfTheta; + return function(color) { - } else { + if (color.a == 1 || common.isUndefined(color.a)) { - this.copy( qb ); + var s = color.hex.toString(16); + while (s.length < 6) { + s = '0' + s; + } - } + return '#' + s; - if ( cosHalfTheta >= 1.0 ) { + } else { - this._w = w; - this._x = x; - this._y = y; - this._z = z; + return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; - return this; + } - } + } - var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); + })(dat.utils.common); - if ( Math.abs( sinHalfTheta ) < 0.001 ) { - this._w = 0.5 * ( w + this._w ); - this._x = 0.5 * ( x + this._x ); - this._y = 0.5 * ( y + this._y ); - this._z = 0.5 * ( z + this._z ); + dat.Color = dat.color.Color = (function (interpret, math, toString, common) { - return this; + var Color = function() { - } + this.__state = interpret.apply(this, arguments); - var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); - var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, - ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + if (this.__state === false) { + throw 'Failed to interpret color arguments'; + } - this._w = ( w * ratioA + this._w * ratioB ); - this._x = ( x * ratioA + this._x * ratioB ); - this._y = ( y * ratioA + this._y * ratioB ); - this._z = ( z * ratioA + this._z * ratioB ); + this.__state.a = this.__state.a || 1; - this.onChangeCallback(); - return this; + }; - }, + Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; - equals: function ( quaternion ) { + common.extend(Color.prototype, { - return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + toString: function() { + return toString(this); + }, - }, + toOriginal: function() { + return this.__state.conversion.write(this); + } - fromArray: function ( array, offset ) { + }); - if ( offset === undefined ) offset = 0; + defineRGBComponent(Color.prototype, 'r', 2); + defineRGBComponent(Color.prototype, 'g', 1); + defineRGBComponent(Color.prototype, 'b', 0); - this._x = array[ offset ]; - this._y = array[ offset + 1 ]; - this._z = array[ offset + 2 ]; - this._w = array[ offset + 3 ]; + defineHSVComponent(Color.prototype, 'h'); + defineHSVComponent(Color.prototype, 's'); + defineHSVComponent(Color.prototype, 'v'); - this.onChangeCallback(); + Object.defineProperty(Color.prototype, 'a', { - return this; + get: function() { + return this.__state.a; + }, - }, + set: function(v) { + this.__state.a = v; + } - toArray: function ( array, offset ) { + }); - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + Object.defineProperty(Color.prototype, 'hex', { - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._w; + get: function() { - return array; + if (!this.__state.space !== 'HEX') { + this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); + } - }, + return this.__state.hex; - onChange: function ( callback ) { + }, - this.onChangeCallback = callback; + set: function(v) { - return this; + this.__state.space = 'HEX'; + this.__state.hex = v; - }, + } - onChangeCallback: function () {} + }); - }; + function defineRGBComponent(target, component, componentHexIndex) { - Object.assign( Quaternion, { + Object.defineProperty(target, component, { - slerp: function( qa, qb, qm, t ) { + get: function() { - return qm.copy( qa ).slerp( qb, t ); + if (this.__state.space === 'RGB') { + return this.__state[component]; + } - }, + recalculateRGB(this, component, componentHexIndex); - slerpFlat: function( - dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + return this.__state[component]; - // fuzz-free, array-based Quaternion SLERP operation + }, - var x0 = src0[ srcOffset0 + 0 ], - y0 = src0[ srcOffset0 + 1 ], - z0 = src0[ srcOffset0 + 2 ], - w0 = src0[ srcOffset0 + 3 ], + set: function(v) { - x1 = src1[ srcOffset1 + 0 ], - y1 = src1[ srcOffset1 + 1 ], - z1 = src1[ srcOffset1 + 2 ], - w1 = src1[ srcOffset1 + 3 ]; + if (this.__state.space !== 'RGB') { + recalculateRGB(this, component, componentHexIndex); + this.__state.space = 'RGB'; + } - if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + this.__state[component] = v; - var s = 1 - t, + } - cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + }); - dir = ( cos >= 0 ? 1 : - 1 ), - sqrSin = 1 - cos * cos; + } - // Skip the Slerp for tiny steps to avoid numeric problems: - if ( sqrSin > Number.EPSILON ) { + function defineHSVComponent(target, component) { - var sin = Math.sqrt( sqrSin ), - len = Math.atan2( sin, cos * dir ); + Object.defineProperty(target, component, { - s = Math.sin( s * len ) / sin; - t = Math.sin( t * len ) / sin; + get: function() { - } + if (this.__state.space === 'HSV') + return this.__state[component]; - var tDir = t * dir; + recalculateHSV(this); - x0 = x0 * s + x1 * tDir; - y0 = y0 * s + y1 * tDir; - z0 = z0 * s + z1 * tDir; - w0 = w0 * s + w1 * tDir; + return this.__state[component]; - // Normalize in case we just did a lerp: - if ( s === 1 - t ) { + }, - var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + set: function(v) { - x0 *= f; - y0 *= f; - z0 *= f; - w0 *= f; + if (this.__state.space !== 'HSV') { + recalculateHSV(this); + this.__state.space = 'HSV'; + } - } + this.__state[component] = v; - } + } - dst[ dstOffset ] = x0; - dst[ dstOffset + 1 ] = y0; - dst[ dstOffset + 2 ] = z0; - dst[ dstOffset + 3 ] = w0; + }); - } + } - } ); + function recalculateRGB(color, component, componentHexIndex) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author *kile / http://kile.stravaganza.org/ - * @author philogb / http://blog.thejit.org/ - * @author mikael emtinger / http://gomo.se/ - * @author egraether / http://egraether.com/ - * @author WestLangley / http://github.com/WestLangley - */ + if (color.__state.space === 'HEX') { - function Vector3( x, y, z ) { + color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); - this.x = x || 0; - this.y = y || 0; - this.z = z || 0; + } else if (color.__state.space === 'HSV') { - } + common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); - Vector3.prototype = { + } else { - constructor: Vector3, + throw 'Corrupted color state'; - isVector3: true, + } - set: function ( x, y, z ) { + } - this.x = x; - this.y = y; - this.z = z; + function recalculateHSV(color) { - return this; + var result = math.rgb_to_hsv(color.r, color.g, color.b); - }, + common.extend(color.__state, + { + s: result.s, + v: result.v + } + ); - setScalar: function ( scalar ) { + if (!common.isNaN(result.h)) { + color.__state.h = result.h; + } else if (common.isUndefined(color.__state.h)) { + color.__state.h = 0; + } - this.x = scalar; - this.y = scalar; - this.z = scalar; + } - return this; + return Color; - }, + })(dat.color.interpret = (function (toString, common) { - setX: function ( x ) { + var result, toReturn; - this.x = x; + var interpret = function() { - return this; + toReturn = false; - }, + var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; - setY: function ( y ) { + common.each(INTERPRETATIONS, function(family) { - this.y = y; + if (family.litmus(original)) { - return this; + common.each(family.conversions, function(conversion, conversionName) { - }, + result = conversion.read(original); - setZ: function ( z ) { + if (toReturn === false && result !== false) { + toReturn = result; + result.conversionName = conversionName; + result.conversion = conversion; + return common.BREAK; - this.z = z; + } - return this; + }); - }, + return common.BREAK; - setComponent: function ( index, value ) { + } - switch ( index ) { + }); - case 0: this.x = value; break; - case 1: this.y = value; break; - case 2: this.z = value; break; - default: throw new Error( 'index is out of range: ' + index ); + return toReturn; - } - - return this; + }; - }, + var INTERPRETATIONS = [ - getComponent: function ( index ) { + // Strings + { - switch ( index ) { + litmus: common.isString, - case 0: return this.x; - case 1: return this.y; - case 2: return this.z; - default: throw new Error( 'index is out of range: ' + index ); + conversions: { - } + THREE_CHAR_HEX: { - }, + read: function(original) { - clone: function () { + var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); + if (test === null) return false; - return new this.constructor( this.x, this.y, this.z ); + return { + space: 'HEX', + hex: parseInt( + '0x' + + test[1].toString() + test[1].toString() + + test[2].toString() + test[2].toString() + + test[3].toString() + test[3].toString()) + }; - }, + }, - copy: function ( v ) { + write: toString - this.x = v.x; - this.y = v.y; - this.z = v.z; + }, - return this; + SIX_CHAR_HEX: { - }, + read: function(original) { - add: function ( v, w ) { + var test = original.match(/^#([A-F0-9]{6})$/i); + if (test === null) return false; - if ( w !== undefined ) { + return { + space: 'HEX', + hex: parseInt('0x' + test[1].toString()) + }; - console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); - return this.addVectors( v, w ); + }, - } + write: toString - this.x += v.x; - this.y += v.y; - this.z += v.z; + }, - return this; + CSS_RGB: { - }, + read: function(original) { - addScalar: function ( s ) { + var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); + if (test === null) return false; - this.x += s; - this.y += s; - this.z += s; + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]) + }; - return this; + }, - }, + write: toString - addVectors: function ( a, b ) { + }, - this.x = a.x + b.x; - this.y = a.y + b.y; - this.z = a.z + b.z; + CSS_RGBA: { - return this; + read: function(original) { - }, + var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); + if (test === null) return false; - addScaledVector: function ( v, s ) { + return { + space: 'RGB', + r: parseFloat(test[1]), + g: parseFloat(test[2]), + b: parseFloat(test[3]), + a: parseFloat(test[4]) + }; - this.x += v.x * s; - this.y += v.y * s; - this.z += v.z * s; + }, - return this; + write: toString - }, + } - sub: function ( v, w ) { + } - if ( w !== undefined ) { + }, - console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); - return this.subVectors( v, w ); + // Numbers + { - } + litmus: common.isNumber, - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; + conversions: { - return this; + HEX: { + read: function(original) { + return { + space: 'HEX', + hex: original, + conversionName: 'HEX' + } + }, - }, + write: function(color) { + return color.hex; + } + } - subScalar: function ( s ) { + } - this.x -= s; - this.y -= s; - this.z -= s; + }, - return this; + // Arrays + { - }, + litmus: common.isArray, - subVectors: function ( a, b ) { + conversions: { - this.x = a.x - b.x; - this.y = a.y - b.y; - this.z = a.z - b.z; + RGB_ARRAY: { + read: function(original) { + if (original.length != 3) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2] + }; + }, - return this; + write: function(color) { + return [color.r, color.g, color.b]; + } - }, + }, - multiply: function ( v, w ) { + RGBA_ARRAY: { + read: function(original) { + if (original.length != 4) return false; + return { + space: 'RGB', + r: original[0], + g: original[1], + b: original[2], + a: original[3] + }; + }, - if ( w !== undefined ) { + write: function(color) { + return [color.r, color.g, color.b, color.a]; + } - console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); - return this.multiplyVectors( v, w ); + } - } + } - this.x *= v.x; - this.y *= v.y; - this.z *= v.z; + }, - return this; + // Objects + { - }, + litmus: common.isObject, - multiplyScalar: function ( scalar ) { + conversions: { - if ( isFinite( scalar ) ) { + RGBA_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b) && + common.isNumber(original.a)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b, + a: original.a + } + } + return false; + }, - this.x *= scalar; - this.y *= scalar; - this.z *= scalar; + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b, + a: color.a + } + } + }, - } else { + RGB_OBJ: { + read: function(original) { + if (common.isNumber(original.r) && + common.isNumber(original.g) && + common.isNumber(original.b)) { + return { + space: 'RGB', + r: original.r, + g: original.g, + b: original.b + } + } + return false; + }, - this.x = 0; - this.y = 0; - this.z = 0; + write: function(color) { + return { + r: color.r, + g: color.g, + b: color.b + } + } + }, - } + HSVA_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v) && + common.isNumber(original.a)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v, + a: original.a + } + } + return false; + }, - return this; + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v, + a: color.a + } + } + }, - }, + HSV_OBJ: { + read: function(original) { + if (common.isNumber(original.h) && + common.isNumber(original.s) && + common.isNumber(original.v)) { + return { + space: 'HSV', + h: original.h, + s: original.s, + v: original.v + } + } + return false; + }, - multiplyVectors: function ( a, b ) { + write: function(color) { + return { + h: color.h, + s: color.s, + v: color.v + } + } - this.x = a.x * b.x; - this.y = a.y * b.y; - this.z = a.z * b.z; + } - return this; + } - }, + } - applyEuler: function () { - var quaternion; + ]; - return function applyEuler( euler ) { + return interpret; - if ( (euler && euler.isEuler) === false ) { - console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + })(dat.color.toString, + dat.utils.common), + dat.color.math = (function () { - } + var tmpComponent; - if ( quaternion === undefined ) quaternion = new Quaternion(); + return { - return this.applyQuaternion( quaternion.setFromEuler( euler ) ); + hsv_to_rgb: function(h, s, v) { - }; + var hi = Math.floor(h / 60) % 6; - }(), + var f = h / 60 - Math.floor(h / 60); + var p = v * (1.0 - s); + var q = v * (1.0 - (f * s)); + var t = v * (1.0 - ((1.0 - f) * s)); + var c = [ + [v, t, p], + [q, v, p], + [p, v, t], + [p, q, v], + [t, p, v], + [v, p, q] + ][hi]; - applyAxisAngle: function () { + return { + r: c[0] * 255, + g: c[1] * 255, + b: c[2] * 255 + }; - var quaternion; + }, - return function applyAxisAngle( axis, angle ) { + rgb_to_hsv: function(r, g, b) { - if ( quaternion === undefined ) quaternion = new Quaternion(); + var min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s; - return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) ); + if (max != 0) { + s = delta / max; + } else { + return { + h: NaN, + s: 0, + v: 0 + }; + } - }; + if (r == max) { + h = (g - b) / delta; + } else if (g == max) { + h = 2 + (b - r) / delta; + } else { + h = 4 + (r - g) / delta; + } + h /= 6; + if (h < 0) { + h += 1; + } - }(), + return { + h: h * 360, + s: s, + v: max / 255 + }; + }, - applyMatrix3: function ( m ) { + rgb_to_hex: function(r, g, b) { + var hex = this.hex_with_component(0, 2, r); + hex = this.hex_with_component(hex, 1, g); + hex = this.hex_with_component(hex, 0, b); + return hex; + }, - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + component_from_hex: function(hex, componentIndex) { + return (hex >> (componentIndex * 8)) & 0xFF; + }, - this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; - this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; - this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + hex_with_component: function(hex, componentIndex, value) { + return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); + } - return this; + } - }, + })(), + dat.color.toString, + dat.utils.common); + +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { + + (function (global, factory) { + true ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.THREE = global.THREE || {}))); + }(this, (function (exports) { 'use strict'; - applyMatrix4: function ( m ) { + // Polyfills - // input: THREE.Matrix4 affine matrix + if ( Number.EPSILON === undefined ) { - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + Number.EPSILON = Math.pow( 2, - 52 ); - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ]; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; + } - return this; + // - }, + if ( Math.sign === undefined ) { - applyProjection: function ( m ) { + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign - // input: THREE.Matrix4 projection matrix + Math.sign = function ( x ) { - var x = this.x, y = this.y, z = this.z; - var e = m.elements; - var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide + return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x; - this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d; - this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d; - this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d; + }; - return this; + } - }, + if ( Function.prototype.name === undefined ) { - applyQuaternion: function ( q ) { + // Missing in IE9-11. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name - var x = this.x, y = this.y, z = this.z; - var qx = q.x, qy = q.y, qz = q.z, qw = q.w; + Object.defineProperty( Function.prototype, 'name', { - // calculate quat * vector + get: function () { - var ix = qw * x + qy * z - qz * y; - var iy = qw * y + qz * x - qx * z; - var iz = qw * z + qx * y - qy * x; - var iw = - qx * x - qy * y - qz * z; + return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ]; - // calculate result * inverse quat + } - this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; - this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; - this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; + } ); - return this; + } - }, + if ( Object.assign === undefined ) { - project: function () { + // Missing in IE. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign - var matrix; + ( function () { - return function project( camera ) { + Object.assign = function ( target ) { - if ( matrix === undefined ) matrix = new Matrix4(); + 'use strict'; - matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); - return this.applyProjection( matrix ); + if ( target === undefined || target === null ) { - }; + throw new TypeError( 'Cannot convert undefined or null to object' ); - }(), + } - unproject: function () { + var output = Object( target ); - var matrix; + for ( var index = 1; index < arguments.length; index ++ ) { - return function unproject( camera ) { + var source = arguments[ index ]; - if ( matrix === undefined ) matrix = new Matrix4(); + if ( source !== undefined && source !== null ) { - matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); - return this.applyProjection( matrix ); + for ( var nextKey in source ) { - }; + if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) { - }(), + output[ nextKey ] = source[ nextKey ]; - transformDirection: function ( m ) { + } - // input: THREE.Matrix4 affine matrix - // vector interpreted as a direction + } - var x = this.x, y = this.y, z = this.z; - var e = m.elements; + } - this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; - this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; - this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + } - return this.normalize(); + return output; - }, + }; - divide: function ( v ) { + } )(); - this.x /= v.x; - this.y /= v.y; - this.z /= v.z; + } - return this; + /** + * https://github.com/mrdoob/eventdispatcher.js/ + */ - }, + function EventDispatcher() {} - divideScalar: function ( scalar ) { + Object.assign( EventDispatcher.prototype, { - return this.multiplyScalar( 1 / scalar ); + addEventListener: function ( type, listener ) { - }, + if ( this._listeners === undefined ) this._listeners = {}; - min: function ( v ) { + var listeners = this._listeners; - this.x = Math.min( this.x, v.x ); - this.y = Math.min( this.y, v.y ); - this.z = Math.min( this.z, v.z ); + if ( listeners[ type ] === undefined ) { - return this; + listeners[ type ] = []; - }, + } - max: function ( v ) { + if ( listeners[ type ].indexOf( listener ) === - 1 ) { - this.x = Math.max( this.x, v.x ); - this.y = Math.max( this.y, v.y ); - this.z = Math.max( this.z, v.z ); + listeners[ type ].push( listener ); - return this; + } }, - clamp: function ( min, max ) { - - // This function assumes min < max, if this assumption isn't true it will not operate correctly + hasEventListener: function ( type, listener ) { - this.x = Math.max( min.x, Math.min( max.x, this.x ) ); - this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + if ( this._listeners === undefined ) return false; - return this; + var listeners = this._listeners; - }, + if ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) { - clampScalar: function () { + return true; - var min, max; + } - return function clampScalar( minVal, maxVal ) { + return false; - if ( min === undefined ) { + }, - min = new Vector3(); - max = new Vector3(); + removeEventListener: function ( type, listener ) { - } + if ( this._listeners === undefined ) return; - min.set( minVal, minVal, minVal ); - max.set( maxVal, maxVal, maxVal ); + var listeners = this._listeners; + var listenerArray = listeners[ type ]; - return this.clamp( min, max ); + if ( listenerArray !== undefined ) { - }; + var index = listenerArray.indexOf( listener ); - }(), + if ( index !== - 1 ) { - clampLength: function ( min, max ) { + listenerArray.splice( index, 1 ); - var length = this.length(); + } - return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); + } }, - floor: function () { - - this.x = Math.floor( this.x ); - this.y = Math.floor( this.y ); - this.z = Math.floor( this.z ); - - return this; + dispatchEvent: function ( event ) { - }, + if ( this._listeners === undefined ) return; - ceil: function () { + var listeners = this._listeners; + var listenerArray = listeners[ event.type ]; - this.x = Math.ceil( this.x ); - this.y = Math.ceil( this.y ); - this.z = Math.ceil( this.z ); + if ( listenerArray !== undefined ) { - return this; + event.target = this; - }, + var array = [], i = 0; + var length = listenerArray.length; - round: function () { + for ( i = 0; i < length; i ++ ) { - this.x = Math.round( this.x ); - this.y = Math.round( this.y ); - this.z = Math.round( this.z ); + array[ i ] = listenerArray[ i ]; - return this; + } - }, + for ( i = 0; i < length; i ++ ) { - roundToZero: function () { + array[ i ].call( this, event ); - this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); - this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + } - return this; + } - }, + } - negate: function () { + } ); - this.x = - this.x; - this.y = - this.y; - this.z = - this.z; + var REVISION = '82'; + var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; + var CullFaceNone = 0; + var CullFaceBack = 1; + var CullFaceFront = 2; + var CullFaceFrontBack = 3; + var FrontFaceDirectionCW = 0; + var FrontFaceDirectionCCW = 1; + var BasicShadowMap = 0; + var PCFShadowMap = 1; + var PCFSoftShadowMap = 2; + var FrontSide = 0; + var BackSide = 1; + var DoubleSide = 2; + var FlatShading = 1; + var SmoothShading = 2; + var NoColors = 0; + var FaceColors = 1; + var VertexColors = 2; + var NoBlending = 0; + var NormalBlending = 1; + var AdditiveBlending = 2; + var SubtractiveBlending = 3; + var MultiplyBlending = 4; + var CustomBlending = 5; + var BlendingMode = { + NoBlending: NoBlending, + NormalBlending: NormalBlending, + AdditiveBlending: AdditiveBlending, + SubtractiveBlending: SubtractiveBlending, + MultiplyBlending: MultiplyBlending, + CustomBlending: CustomBlending + }; + var AddEquation = 100; + var SubtractEquation = 101; + var ReverseSubtractEquation = 102; + var MinEquation = 103; + var MaxEquation = 104; + var ZeroFactor = 200; + var OneFactor = 201; + var SrcColorFactor = 202; + var OneMinusSrcColorFactor = 203; + var SrcAlphaFactor = 204; + var OneMinusSrcAlphaFactor = 205; + var DstAlphaFactor = 206; + var OneMinusDstAlphaFactor = 207; + var DstColorFactor = 208; + var OneMinusDstColorFactor = 209; + var SrcAlphaSaturateFactor = 210; + var NeverDepth = 0; + var AlwaysDepth = 1; + var LessDepth = 2; + var LessEqualDepth = 3; + var EqualDepth = 4; + var GreaterEqualDepth = 5; + var GreaterDepth = 6; + var NotEqualDepth = 7; + var MultiplyOperation = 0; + var MixOperation = 1; + var AddOperation = 2; + var NoToneMapping = 0; + var LinearToneMapping = 1; + var ReinhardToneMapping = 2; + var Uncharted2ToneMapping = 3; + var CineonToneMapping = 4; + var UVMapping = 300; + var CubeReflectionMapping = 301; + var CubeRefractionMapping = 302; + var EquirectangularReflectionMapping = 303; + var EquirectangularRefractionMapping = 304; + var SphericalReflectionMapping = 305; + var CubeUVReflectionMapping = 306; + var CubeUVRefractionMapping = 307; + var TextureMapping = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + SphericalReflectionMapping: SphericalReflectionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping, + CubeUVRefractionMapping: CubeUVRefractionMapping + }; + var RepeatWrapping = 1000; + var ClampToEdgeWrapping = 1001; + var MirroredRepeatWrapping = 1002; + var TextureWrapping = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping + }; + var NearestFilter = 1003; + var NearestMipMapNearestFilter = 1004; + var NearestMipMapLinearFilter = 1005; + var LinearFilter = 1006; + var LinearMipMapNearestFilter = 1007; + var LinearMipMapLinearFilter = 1008; + var TextureFilter = { + NearestFilter: NearestFilter, + NearestMipMapNearestFilter: NearestMipMapNearestFilter, + NearestMipMapLinearFilter: NearestMipMapLinearFilter, + LinearFilter: LinearFilter, + LinearMipMapNearestFilter: LinearMipMapNearestFilter, + LinearMipMapLinearFilter: LinearMipMapLinearFilter + }; + var UnsignedByteType = 1009; + var ByteType = 1010; + var ShortType = 1011; + var UnsignedShortType = 1012; + var IntType = 1013; + var UnsignedIntType = 1014; + var FloatType = 1015; + var HalfFloatType = 1016; + var UnsignedShort4444Type = 1017; + var UnsignedShort5551Type = 1018; + var UnsignedShort565Type = 1019; + var UnsignedInt248Type = 1020; + var AlphaFormat = 1021; + var RGBFormat = 1022; + var RGBAFormat = 1023; + var LuminanceFormat = 1024; + var LuminanceAlphaFormat = 1025; + var RGBEFormat = RGBAFormat; + var DepthFormat = 1026; + var DepthStencilFormat = 1027; + var RGB_S3TC_DXT1_Format = 2001; + var RGBA_S3TC_DXT1_Format = 2002; + var RGBA_S3TC_DXT3_Format = 2003; + var RGBA_S3TC_DXT5_Format = 2004; + var RGB_PVRTC_4BPPV1_Format = 2100; + var RGB_PVRTC_2BPPV1_Format = 2101; + var RGBA_PVRTC_4BPPV1_Format = 2102; + var RGBA_PVRTC_2BPPV1_Format = 2103; + var RGB_ETC1_Format = 2151; + var LoopOnce = 2200; + var LoopRepeat = 2201; + var LoopPingPong = 2202; + var InterpolateDiscrete = 2300; + var InterpolateLinear = 2301; + var InterpolateSmooth = 2302; + var ZeroCurvatureEnding = 2400; + var ZeroSlopeEnding = 2401; + var WrapAroundEnding = 2402; + var TrianglesDrawMode = 0; + var TriangleStripDrawMode = 1; + var TriangleFanDrawMode = 2; + var LinearEncoding = 3000; + var sRGBEncoding = 3001; + var GammaEncoding = 3007; + var RGBEEncoding = 3002; + var LogLuvEncoding = 3003; + var RGBM7Encoding = 3004; + var RGBM16Encoding = 3005; + var RGBDEncoding = 3006; + var BasicDepthPacking = 3200; + var RGBADepthPacking = 3201; - return this; + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - }, + var _Math = { - dot: function ( v ) { + DEG2RAD: Math.PI / 180, + RAD2DEG: 180 / Math.PI, - return this.x * v.x + this.y * v.y + this.z * v.z; + generateUUID: function () { - }, + // http://www.broofa.com/Tools/Math.uuid.htm - lengthSq: function () { + var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' ); + var uuid = new Array( 36 ); + var rnd = 0, r; - return this.x * this.x + this.y * this.y + this.z * this.z; + return function generateUUID() { - }, + for ( var i = 0; i < 36; i ++ ) { - length: function () { + if ( i === 8 || i === 13 || i === 18 || i === 23 ) { - return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + uuid[ i ] = '-'; - }, + } else if ( i === 14 ) { - lengthManhattan: function () { + uuid[ i ] = '4'; - return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + } else { - }, + if ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0; + r = rnd & 0xf; + rnd = rnd >> 4; + uuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ]; - normalize: function () { + } - return this.divideScalar( this.length() ); + } - }, + return uuid.join( '' ); - setLength: function ( length ) { + }; - return this.multiplyScalar( length / this.length() ); + }(), + + clamp: function ( value, min, max ) { + + return Math.max( min, Math.min( max, value ) ); }, - lerp: function ( v, alpha ) { + // compute euclidian modulo of m % n + // https://en.wikipedia.org/wiki/Modulo_operation - this.x += ( v.x - this.x ) * alpha; - this.y += ( v.y - this.y ) * alpha; - this.z += ( v.z - this.z ) * alpha; + euclideanModulo: function ( n, m ) { - return this; + return ( ( n % m ) + m ) % m; }, - lerpVectors: function ( v1, v2, alpha ) { + // Linear mapping from range to range - return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); + mapLinear: function ( x, a1, a2, b1, b2 ) { + + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); }, - cross: function ( v, w ) { + // https://en.wikipedia.org/wiki/Linear_interpolation - if ( w !== undefined ) { + lerp: function ( x, y, t ) { - console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); - return this.crossVectors( v, w ); + return ( 1 - t ) * x + t * y; - } + }, - var x = this.x, y = this.y, z = this.z; + // http://en.wikipedia.org/wiki/Smoothstep - this.x = y * v.z - z * v.y; - this.y = z * v.x - x * v.z; - this.z = x * v.y - y * v.x; + smoothstep: function ( x, min, max ) { - return this; + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * ( 3 - 2 * x ); }, - crossVectors: function ( a, b ) { + smootherstep: function ( x, min, max ) { - var ax = a.x, ay = a.y, az = a.z; - var bx = b.x, by = b.y, bz = b.z; + if ( x <= min ) return 0; + if ( x >= max ) return 1; - this.x = ay * bz - az * by; - this.y = az * bx - ax * bz; - this.z = ax * by - ay * bx; + x = ( x - min ) / ( max - min ); - return this; + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); }, - projectOnVector: function ( vector ) { - - var scalar = vector.dot( this ) / vector.lengthSq(); + random16: function () { - return this.copy( vector ).multiplyScalar( scalar ); + console.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' ); + return Math.random(); }, - projectOnPlane: function () { + // Random integer from interval - var v1; + randInt: function ( low, high ) { - return function projectOnPlane( planeNormal ) { + return low + Math.floor( Math.random() * ( high - low + 1 ) ); - if ( v1 === undefined ) v1 = new Vector3(); + }, - v1.copy( this ).projectOnVector( planeNormal ); + // Random float from interval - return this.sub( v1 ); + randFloat: function ( low, high ) { - }; + return low + Math.random() * ( high - low ); - }(), + }, - reflect: function () { + // Random float from <-range/2, range/2> interval - // reflect incident vector off plane orthogonal to normal - // normal is assumed to have unit length + randFloatSpread: function ( range ) { - var v1; + return range * ( 0.5 - Math.random() ); - return function reflect( normal ) { + }, - if ( v1 === undefined ) v1 = new Vector3(); + degToRad: function ( degrees ) { - return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + return degrees * _Math.DEG2RAD; - }; + }, - }(), + radToDeg: function ( radians ) { - angleTo: function ( v ) { + return radians * _Math.RAD2DEG; - var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); + }, - // clamp, to handle numerical problems + isPowerOfTwo: function ( value ) { - return Math.acos( _Math.clamp( theta, - 1, 1 ) ); + return ( value & ( value - 1 ) ) === 0 && value !== 0; }, - distanceTo: function ( v ) { + nearestPowerOfTwo: function ( value ) { - return Math.sqrt( this.distanceToSquared( v ) ); + return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) ); }, - distanceToSquared: function ( v ) { + nextPowerOfTwo: function ( value ) { - var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + value --; + value |= value >> 1; + value |= value >> 2; + value |= value >> 4; + value |= value >> 8; + value |= value >> 16; + value ++; - return dx * dx + dy * dy + dz * dz; + return value; - }, + } - distanceToManhattan: function ( v ) { + }; - return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author philogb / http://blog.thejit.org/ + * @author egraether / http://egraether.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + */ + + function Vector2( x, y ) { + + this.x = x || 0; + this.y = y || 0; + + } + + Vector2.prototype = { + + constructor: Vector2, + + isVector2: true, + + get width() { + + return this.x; }, - setFromSpherical: function( s ) { + set width( value ) { - var sinPhiRadius = Math.sin( s.phi ) * s.radius; + this.x = value; - this.x = sinPhiRadius * Math.sin( s.theta ); - this.y = Math.cos( s.phi ) * s.radius; - this.z = sinPhiRadius * Math.cos( s.theta ); + }, - return this; + get height() { + + return this.y; }, - setFromMatrixPosition: function ( m ) { + set height( value ) { - return this.setFromMatrixColumn( m, 3 ); + this.y = value; }, - setFromMatrixScale: function ( m ) { + // - var sx = this.setFromMatrixColumn( m, 0 ).length(); - var sy = this.setFromMatrixColumn( m, 1 ).length(); - var sz = this.setFromMatrixColumn( m, 2 ).length(); + set: function ( x, y ) { - this.x = sx; - this.y = sy; - this.z = sz; + this.x = x; + this.y = y; return this; }, - setFromMatrixColumn: function ( m, index ) { + setScalar: function ( scalar ) { - if ( typeof m === 'number' ) { + this.x = scalar; + this.y = scalar; - console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); - var temp = m; - m = index; - index = temp; + return this; - } + }, - return this.fromArray( m.elements, index * 4 ); + setX: function ( x ) { + + this.x = x; + + return this; }, - equals: function ( v ) { + setY: function ( y ) { - return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + this.y = y; + + return this; }, - fromArray: function ( array, offset ) { + setComponent: function ( index, value ) { - if ( offset === undefined ) offset = 0; + switch ( index ) { - this.x = array[ offset ]; - this.y = array[ offset + 1 ]; - this.z = array[ offset + 2 ]; + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + } + return this; }, - toArray: function ( array, offset ) { + getComponent: function ( index ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + switch ( index ) { - array[ offset ] = this.x; - array[ offset + 1 ] = this.y; - array[ offset + 2 ] = this.z; + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); - return array; + } }, - fromAttribute: function ( attribute, index, offset ) { + clone: function () { - if ( offset === undefined ) offset = 0; + return new this.constructor( this.x, this.y ); - index = index * attribute.itemSize + offset; + }, - this.x = attribute.array[ index ]; - this.y = attribute.array[ index + 1 ]; - this.z = attribute.array[ index + 2 ]; + copy: function ( v ) { + + this.x = v.x; + this.y = v.y; return this; - } + }, - }; + add: function ( v, w ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author philogb / http://blog.thejit.org/ - * @author jordi_ros / http://plattsoft.com - * @author D1plo1d / http://github.com/D1plo1d - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author timknip / http://www.floorplanner.com/ - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - */ + if ( w !== undefined ) { - function Matrix4() { + console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); - this.elements = new Float32Array( [ + } - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + this.x += v.x; + this.y += v.y; - ] ); + return this; - if ( arguments.length > 0 ) { + }, - console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); + addScalar: function ( s ) { - } + this.x += s; + this.y += s; - } + return this; - Matrix4.prototype = { + }, - constructor: Matrix4, + addVectors: function ( a, b ) { - isMatrix4: true, + this.x = a.x + b.x; + this.y = a.y + b.y; - set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + return this; - var te = this.elements; + }, - te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; - te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; - te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; - te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + addScaledVector: function ( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; return this; }, - identity: function () { + sub: function ( v, w ) { - this.set( + if ( w !== undefined ) { - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - ); + } + + this.x -= v.x; + this.y -= v.y; return this; }, - clone: function () { + subScalar: function ( s ) { - return new Matrix4().fromArray( this.elements ); + this.x -= s; + this.y -= s; + + return this; }, - copy: function ( m ) { + subVectors: function ( a, b ) { - this.elements.set( m.elements ); + this.x = a.x - b.x; + this.y = a.y - b.y; return this; }, - copyPosition: function ( m ) { - - var te = this.elements; - var me = m.elements; + multiply: function ( v ) { - te[ 12 ] = me[ 12 ]; - te[ 13 ] = me[ 13 ]; - te[ 14 ] = me[ 14 ]; + this.x *= v.x; + this.y *= v.y; return this; }, - extractBasis: function ( xAxis, yAxis, zAxis ) { + multiplyScalar: function ( scalar ) { - xAxis.setFromMatrixColumn( this, 0 ); - yAxis.setFromMatrixColumn( this, 1 ); - zAxis.setFromMatrixColumn( this, 2 ); + if ( isFinite( scalar ) ) { + + this.x *= scalar; + this.y *= scalar; + + } else { + + this.x = 0; + this.y = 0; + + } return this; }, - makeBasis: function ( xAxis, yAxis, zAxis ) { + divide: function ( v ) { - this.set( - xAxis.x, yAxis.x, zAxis.x, 0, - xAxis.y, yAxis.y, zAxis.y, 0, - xAxis.z, yAxis.z, zAxis.z, 0, - 0, 0, 0, 1 - ); + this.x /= v.x; + this.y /= v.y; return this; }, - extractRotation: function () { + divideScalar: function ( scalar ) { - var v1; + return this.multiplyScalar( 1 / scalar ); - return function extractRotation( m ) { + }, - if ( v1 === undefined ) v1 = new Vector3(); + min: function ( v ) { - var te = this.elements; - var me = m.elements; + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); - var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length(); - var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length(); - var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length(); + return this; - te[ 0 ] = me[ 0 ] * scaleX; - te[ 1 ] = me[ 1 ] * scaleX; - te[ 2 ] = me[ 2 ] * scaleX; + }, - te[ 4 ] = me[ 4 ] * scaleY; - te[ 5 ] = me[ 5 ] * scaleY; - te[ 6 ] = me[ 6 ] * scaleY; + max: function ( v ) { - te[ 8 ] = me[ 8 ] * scaleZ; - te[ 9 ] = me[ 9 ] * scaleZ; - te[ 10 ] = me[ 10 ] * scaleZ; + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); - return this; + return this; - }; + }, - }(), + clamp: function ( min, max ) { - makeRotationFromEuler: function ( euler ) { + // This function assumes min < max, if this assumption isn't true it will not operate correctly - if ( (euler && euler.isEuler) === false ) { + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); - console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); + return this; - } + }, - var te = this.elements; + clampScalar: function () { - var x = euler.x, y = euler.y, z = euler.z; - var a = Math.cos( x ), b = Math.sin( x ); - var c = Math.cos( y ), d = Math.sin( y ); - var e = Math.cos( z ), f = Math.sin( z ); + var min, max; - if ( euler.order === 'XYZ' ) { + return function clampScalar( minVal, maxVal ) { - var ae = a * e, af = a * f, be = b * e, bf = b * f; + if ( min === undefined ) { - te[ 0 ] = c * e; - te[ 4 ] = - c * f; - te[ 8 ] = d; + min = new Vector2(); + max = new Vector2(); - te[ 1 ] = af + be * d; - te[ 5 ] = ae - bf * d; - te[ 9 ] = - b * c; + } - te[ 2 ] = bf - ae * d; - te[ 6 ] = be + af * d; - te[ 10 ] = a * c; + min.set( minVal, minVal ); + max.set( maxVal, maxVal ); - } else if ( euler.order === 'YXZ' ) { + return this.clamp( min, max ); - var ce = c * e, cf = c * f, de = d * e, df = d * f; + }; - te[ 0 ] = ce + df * b; - te[ 4 ] = de * b - cf; - te[ 8 ] = a * d; + }(), - te[ 1 ] = a * f; - te[ 5 ] = a * e; - te[ 9 ] = - b; + clampLength: function ( min, max ) { - te[ 2 ] = cf * b - de; - te[ 6 ] = df + ce * b; - te[ 10 ] = a * c; + var length = this.length(); - } else if ( euler.order === 'ZXY' ) { + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); - var ce = c * e, cf = c * f, de = d * e, df = d * f; + }, - te[ 0 ] = ce - df * b; - te[ 4 ] = - a * f; - te[ 8 ] = de + cf * b; + floor: function () { - te[ 1 ] = cf + de * b; - te[ 5 ] = a * e; - te[ 9 ] = df - ce * b; + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); - te[ 2 ] = - a * d; - te[ 6 ] = b; - te[ 10 ] = a * c; + return this; - } else if ( euler.order === 'ZYX' ) { + }, - var ae = a * e, af = a * f, be = b * e, bf = b * f; + ceil: function () { - te[ 0 ] = c * e; - te[ 4 ] = be * d - af; - te[ 8 ] = ae * d + bf; + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); - te[ 1 ] = c * f; - te[ 5 ] = bf * d + ae; - te[ 9 ] = af * d - be; + return this; - te[ 2 ] = - d; - te[ 6 ] = b * c; - te[ 10 ] = a * c; + }, - } else if ( euler.order === 'YZX' ) { + round: function () { - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); - te[ 0 ] = c * e; - te[ 4 ] = bd - ac * f; - te[ 8 ] = bc * f + ad; + return this; - te[ 1 ] = f; - te[ 5 ] = a * e; - te[ 9 ] = - b * e; + }, - te[ 2 ] = - d * e; - te[ 6 ] = ad * f + bc; - te[ 10 ] = ac - bd * f; + roundToZero: function () { - } else if ( euler.order === 'XZY' ) { + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); - var ac = a * c, ad = a * d, bc = b * c, bd = b * d; + return this; - te[ 0 ] = c * e; - te[ 4 ] = - f; - te[ 8 ] = d * e; - - te[ 1 ] = ac * f + bd; - te[ 5 ] = a * e; - te[ 9 ] = ad * f - bc; - - te[ 2 ] = bc * f - ad; - te[ 6 ] = b * e; - te[ 10 ] = bd * f + ac; - - } + }, - // last column - te[ 3 ] = 0; - te[ 7 ] = 0; - te[ 11 ] = 0; + negate: function () { - // bottom row - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; + this.x = - this.x; + this.y = - this.y; return this; }, - makeRotationFromQuaternion: function ( q ) { - - var te = this.elements; + dot: function ( v ) { - var x = q.x, y = q.y, z = q.z, w = q.w; - var x2 = x + x, y2 = y + y, z2 = z + z; - var xx = x * x2, xy = x * y2, xz = x * z2; - var yy = y * y2, yz = y * z2, zz = z * z2; - var wx = w * x2, wy = w * y2, wz = w * z2; + return this.x * v.x + this.y * v.y; - te[ 0 ] = 1 - ( yy + zz ); - te[ 4 ] = xy - wz; - te[ 8 ] = xz + wy; + }, - te[ 1 ] = xy + wz; - te[ 5 ] = 1 - ( xx + zz ); - te[ 9 ] = yz - wx; + lengthSq: function () { - te[ 2 ] = xz - wy; - te[ 6 ] = yz + wx; - te[ 10 ] = 1 - ( xx + yy ); + return this.x * this.x + this.y * this.y; - // last column - te[ 3 ] = 0; - te[ 7 ] = 0; - te[ 11 ] = 0; + }, - // bottom row - te[ 12 ] = 0; - te[ 13 ] = 0; - te[ 14 ] = 0; - te[ 15 ] = 1; + length: function () { - return this; + return Math.sqrt( this.x * this.x + this.y * this.y ); }, - lookAt: function () { + lengthManhattan: function() { - var x, y, z; + return Math.abs( this.x ) + Math.abs( this.y ); - return function lookAt( eye, target, up ) { + }, - if ( x === undefined ) { + normalize: function () { - x = new Vector3(); - y = new Vector3(); - z = new Vector3(); + return this.divideScalar( this.length() ); - } + }, - var te = this.elements; + angle: function () { - z.subVectors( eye, target ).normalize(); + // computes the angle in radians with respect to the positive x-axis - if ( z.lengthSq() === 0 ) { + var angle = Math.atan2( this.y, this.x ); - z.z = 1; + if ( angle < 0 ) angle += 2 * Math.PI; - } + return angle; - x.crossVectors( up, z ).normalize(); + }, - if ( x.lengthSq() === 0 ) { + distanceTo: function ( v ) { - z.z += 0.0001; - x.crossVectors( up, z ).normalize(); + return Math.sqrt( this.distanceToSquared( v ) ); - } + }, - y.crossVectors( z, x ); + distanceToSquared: function ( v ) { + + var dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + }, - te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x; - te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y; - te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z; + distanceToManhattan: function ( v ) { - return this; + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); - }; + }, - }(), + setLength: function ( length ) { - multiply: function ( m, n ) { + return this.multiplyScalar( length / this.length() ); - if ( n !== undefined ) { + }, - console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); - return this.multiplyMatrices( m, n ); + lerp: function ( v, alpha ) { - } + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; - return this.multiplyMatrices( this, m ); + return this; }, - premultiply: function ( m ) { + lerpVectors: function ( v1, v2, alpha ) { - return this.multiplyMatrices( m, this ); + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); }, - multiplyMatrices: function ( a, b ) { - - var ae = a.elements; - var be = b.elements; - var te = this.elements; - - var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; - var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; - var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; - var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + equals: function ( v ) { - var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; - var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; - var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; - var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + return ( ( v.x === this.x ) && ( v.y === this.y ) ); - te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; - te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; - te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; - te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + }, - te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; - te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; - te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; - te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + fromArray: function ( array, offset ) { - te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; - te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; - te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; - te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + if ( offset === undefined ) offset = 0; - te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; - te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; - te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; - te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; return this; }, - multiplyToArray: function ( a, b, r ) { - - var te = this.elements; + toArray: function ( array, offset ) { - this.multiplyMatrices( a, b ); + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; - r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; - r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; - r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; - return this; + return array; }, - multiplyScalar: function ( s ) { + fromAttribute: function ( attribute, index, offset ) { - var te = this.elements; + if ( offset === undefined ) offset = 0; - te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; - te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; - te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; - te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + index = index * attribute.itemSize + offset; + + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; return this; }, - applyToVector3Array: function () { - - var v1; + rotateAround: function ( center, angle ) { - return function applyToVector3Array( array, offset, length ) { + var c = Math.cos( angle ), s = Math.sin( angle ); - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = array.length; + var x = this.x - center.x; + var y = this.y - center.y; - for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; - v1.fromArray( array, j ); - v1.applyMatrix4( this ); - v1.toArray( array, j ); + return this; - } + } - return array; + }; - }; + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + */ - }(), + function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { - applyToBuffer: function () { + Object.defineProperty( this, 'id', { value: TextureIdCount() } ); - var v1; + this.uuid = _Math.generateUUID(); - return function applyToBuffer( buffer, offset, length ) { + this.name = ''; + this.sourceFile = ''; - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = buffer.length / buffer.itemSize; + this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE; + this.mipmaps = []; - for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING; - v1.x = buffer.getX( j ); - v1.y = buffer.getY( j ); - v1.z = buffer.getZ( j ); + this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping; + this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping; - v1.applyMatrix4( this ); + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter; - buffer.setXYZ( j, v1.x, v1.y, v1.z ); + this.anisotropy = anisotropy !== undefined ? anisotropy : 1; - } + this.format = format !== undefined ? format : RGBAFormat; + this.type = type !== undefined ? type : UnsignedByteType; - return buffer; + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); - }; + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) - }(), - determinant: function () { + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding = encoding !== undefined ? encoding : LinearEncoding; - var te = this.elements; + this.version = 0; + this.onUpdate = null; - var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; - var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; - var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; - var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + } - //TODO: make this more efficient - //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + Texture.DEFAULT_IMAGE = undefined; + Texture.DEFAULT_MAPPING = UVMapping; - return ( - n41 * ( - + n14 * n23 * n32 - - n13 * n24 * n32 - - n14 * n22 * n33 - + n12 * n24 * n33 - + n13 * n22 * n34 - - n12 * n23 * n34 - ) + - n42 * ( - + n11 * n23 * n34 - - n11 * n24 * n33 - + n14 * n21 * n33 - - n13 * n21 * n34 - + n13 * n24 * n31 - - n14 * n23 * n31 - ) + - n43 * ( - + n11 * n24 * n32 - - n11 * n22 * n34 - - n14 * n21 * n32 - + n12 * n21 * n34 - + n14 * n22 * n31 - - n12 * n24 * n31 - ) + - n44 * ( - - n13 * n22 * n31 - - n11 * n23 * n32 - + n11 * n22 * n33 - + n13 * n21 * n32 - - n12 * n21 * n33 - + n12 * n23 * n31 - ) + Texture.prototype = { - ); + constructor: Texture, - }, + isTexture: true, - transpose: function () { + set needsUpdate( value ) { - var te = this.elements; - var tmp; + if ( value === true ) this.version ++; - tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; - tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; - tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + }, - tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; - tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; - tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + clone: function () { - return this; + return new this.constructor().copy( this ); }, - flattenToArrayOffset: function ( array, offset ) { + copy: function ( source ) { - console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + - "- just use .toArray instead." ); + this.image = source.image; + this.mipmaps = source.mipmaps.slice( 0 ); - return this.toArray( array, offset ); + this.mapping = source.mapping; - }, + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; - getPosition: function () { + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; - var v1; + this.anisotropy = source.anisotropy; - return function getPosition() { + this.format = source.format; + this.type = source.type; - if ( v1 === undefined ) v1 = new Vector3(); - console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); - return v1.setFromMatrixColumn( this, 3 ); + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.encoding = source.encoding; - }; + return this; - }(), + }, - setPosition: function ( v ) { + toJSON: function ( meta ) { - var te = this.elements; + if ( meta.textures[ this.uuid ] !== undefined ) { - te[ 12 ] = v.x; - te[ 13 ] = v.y; - te[ 14 ] = v.z; + return meta.textures[ this.uuid ]; - return this; + } - }, + function getDataURL( image ) { - getInverse: function ( m, throwOnDegenerate ) { + var canvas; - // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm - var te = this.elements, - me = m.elements, + if ( image.toDataURL !== undefined ) { - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], - n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], - n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], - n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], + canvas = image; - t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, - t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, - t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, - t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + } else { - var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = image.width; + canvas.height = image.height; - if ( det === 0 ) { + canvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height ); - var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0"; + } - if ( throwOnDegenerate === true ) { + if ( canvas.width > 2048 || canvas.height > 2048 ) { - throw new Error( msg ); + return canvas.toDataURL( 'image/jpeg', 0.6 ); } else { - console.warn( msg ); + return canvas.toDataURL( 'image/png' ); } - return this.identity(); - } - var detInv = 1 / det; + var output = { + metadata: { + version: 4.4, + type: 'Texture', + generator: 'Texture.toJSON' + }, - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; - te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; - te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + uuid: this.uuid, + name: this.name, - te[ 4 ] = t12 * detInv; - te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; - te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; - te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + mapping: this.mapping, - te[ 8 ] = t13 * detInv; - te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; - te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; - te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + wrap: [ this.wrapS, this.wrapT ], - te[ 12 ] = t14 * detInv; - te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; - te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; - te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, - return this; + flipY: this.flipY + }; - }, + if ( this.image !== undefined ) { - scale: function ( v ) { + // TODO: Move to THREE.Image - var te = this.elements; - var x = v.x, y = v.y, z = v.z; + var image = this.image; - te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; - te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; - te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; - te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + if ( image.uuid === undefined ) { - return this; + image.uuid = _Math.generateUUID(); // UGH - }, + } - getMaxScaleOnAxis: function () { + if ( meta.images[ image.uuid ] === undefined ) { - var te = this.elements; + meta.images[ image.uuid ] = { + uuid: image.uuid, + url: getDataURL( image ) + }; - var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; - var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; - var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + } - return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + output.image = image.uuid; - }, + } - makeTranslation: function ( x, y, z ) { + meta.textures[ this.uuid ] = output; - this.set( + return output; - 1, 0, 0, x, - 0, 1, 0, y, - 0, 0, 1, z, - 0, 0, 0, 1 + }, - ); + dispose: function () { - return this; + this.dispatchEvent( { type: 'dispose' } ); }, - makeRotationX: function ( theta ) { + transformUv: function ( uv ) { - var c = Math.cos( theta ), s = Math.sin( theta ); + if ( this.mapping !== UVMapping ) return; - this.set( + uv.multiply( this.repeat ); + uv.add( this.offset ); - 1, 0, 0, 0, - 0, c, - s, 0, - 0, s, c, 0, - 0, 0, 0, 1 + if ( uv.x < 0 || uv.x > 1 ) { - ); + switch ( this.wrapS ) { - return this; + case RepeatWrapping: - }, + uv.x = uv.x - Math.floor( uv.x ); + break; - makeRotationY: function ( theta ) { + case ClampToEdgeWrapping: - var c = Math.cos( theta ), s = Math.sin( theta ); + uv.x = uv.x < 0 ? 0 : 1; + break; - this.set( + case MirroredRepeatWrapping: - c, 0, s, 0, - 0, 1, 0, 0, - - s, 0, c, 0, - 0, 0, 0, 1 - - ); - - return this; - - }, + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { - makeRotationZ: function ( theta ) { + uv.x = Math.ceil( uv.x ) - uv.x; - var c = Math.cos( theta ), s = Math.sin( theta ); + } else { - this.set( + uv.x = uv.x - Math.floor( uv.x ); - c, - s, 0, 0, - s, c, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 + } + break; - ); + } - return this; + } - }, + if ( uv.y < 0 || uv.y > 1 ) { - makeRotationAxis: function ( axis, angle ) { + switch ( this.wrapT ) { - // Based on http://www.gamedev.net/reference/articles/article1199.asp + case RepeatWrapping: - var c = Math.cos( angle ); - var s = Math.sin( angle ); - var t = 1 - c; - var x = axis.x, y = axis.y, z = axis.z; - var tx = t * x, ty = t * y; + uv.y = uv.y - Math.floor( uv.y ); + break; - this.set( + case ClampToEdgeWrapping: - tx * x + c, tx * y - s * z, tx * z + s * y, 0, - tx * y + s * z, ty * y + c, ty * z - s * x, 0, - tx * z - s * y, ty * z + s * x, t * z * z + c, 0, - 0, 0, 0, 1 + uv.y = uv.y < 0 ? 0 : 1; + break; - ); + case MirroredRepeatWrapping: - return this; + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { - }, + uv.y = Math.ceil( uv.y ) - uv.y; - makeScale: function ( x, y, z ) { + } else { - this.set( + uv.y = uv.y - Math.floor( uv.y ); - x, 0, 0, 0, - 0, y, 0, 0, - 0, 0, z, 0, - 0, 0, 0, 1 + } + break; - ); + } - return this; + } - }, + if ( this.flipY ) { - compose: function ( position, quaternion, scale ) { + uv.y = 1 - uv.y; - this.makeRotationFromQuaternion( quaternion ); - this.scale( scale ); - this.setPosition( position ); + } - return this; + } - }, + }; - decompose: function () { + Object.assign( Texture.prototype, EventDispatcher.prototype ); - var vector, matrix; + var count = 0; + function TextureIdCount() { return count++; } - return function decompose( position, quaternion, scale ) { + /** + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ - if ( vector === undefined ) { + function Vector4( x, y, z, w ) { - vector = new Vector3(); - matrix = new Matrix4(); + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; + this.w = ( w !== undefined ) ? w : 1; - } + } - var te = this.elements; + Vector4.prototype = { - var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); - var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); - var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + constructor: Vector4, - // if determine is negative, we need to invert one scale - var det = this.determinant(); - if ( det < 0 ) { + isVector4: true, - sx = - sx; + set: function ( x, y, z, w ) { - } + this.x = x; + this.y = y; + this.z = z; + this.w = w; - position.x = te[ 12 ]; - position.y = te[ 13 ]; - position.z = te[ 14 ]; + return this; - // scale the rotation part + }, - matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() + setScalar: function ( scalar ) { - var invSX = 1 / sx; - var invSY = 1 / sy; - var invSZ = 1 / sz; + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; - matrix.elements[ 0 ] *= invSX; - matrix.elements[ 1 ] *= invSX; - matrix.elements[ 2 ] *= invSX; + return this; - matrix.elements[ 4 ] *= invSY; - matrix.elements[ 5 ] *= invSY; - matrix.elements[ 6 ] *= invSY; + }, - matrix.elements[ 8 ] *= invSZ; - matrix.elements[ 9 ] *= invSZ; - matrix.elements[ 10 ] *= invSZ; + setX: function ( x ) { - quaternion.setFromRotationMatrix( matrix ); + this.x = x; - scale.x = sx; - scale.y = sy; - scale.z = sz; + return this; - return this; + }, - }; + setY: function ( y ) { - }(), + this.y = y; - makeFrustum: function ( left, right, bottom, top, near, far ) { + return this; - var te = this.elements; - var x = 2 * near / ( right - left ); - var y = 2 * near / ( top - bottom ); + }, - var a = ( right + left ) / ( right - left ); - var b = ( top + bottom ) / ( top - bottom ); - var c = - ( far + near ) / ( far - near ); - var d = - 2 * far * near / ( far - near ); + setZ: function ( z ) { - te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; - te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + this.z = z; return this; }, - makePerspective: function ( fov, aspect, near, far ) { + setW: function ( w ) { - var ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 ); - var ymin = - ymax; - var xmin = ymin * aspect; - var xmax = ymax * aspect; + this.w = w; - return this.makeFrustum( xmin, xmax, ymin, ymax, near, far ); + return this; }, - makeOrthographic: function ( left, right, top, bottom, near, far ) { - - var te = this.elements; - var w = 1.0 / ( right - left ); - var h = 1.0 / ( top - bottom ); - var p = 1.0 / ( far - near ); + setComponent: function ( index, value ) { - var x = ( right + left ) * w; - var y = ( top + bottom ) * h; - var z = ( far + near ) * p; + switch ( index ) { - te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; - te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; - te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; - te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + } + return this; }, - equals: function ( matrix ) { - - var te = this.elements; - var me = matrix.elements; + getComponent: function ( index ) { - for ( var i = 0; i < 16; i ++ ) { + switch ( index ) { - if ( te[ i ] !== me[ i ] ) return false; + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); } - return true; - }, - fromArray: function ( array, offset ) { + clone: function () { - if ( offset === undefined ) offset = 0; + return new this.constructor( this.x, this.y, this.z, this.w ); - for( var i = 0; i < 16; i ++ ) { + }, - this.elements[ i ] = array[ i + offset ]; + copy: function ( v ) { - } + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; return this; }, - toArray: function ( array, offset ) { + add: function ( v, w ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + if ( w !== undefined ) { - var te = this.elements; + console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; - array[ offset + 3 ] = te[ 3 ]; + } - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; - array[ offset + 8 ] = te[ 8 ]; - array[ offset + 9 ] = te[ 9 ]; - array[ offset + 10 ] = te[ 10 ]; - array[ offset + 11 ] = te[ 11 ]; + return this; - array[ offset + 12 ] = te[ 12 ]; - array[ offset + 13 ] = te[ 13 ]; - array[ offset + 14 ] = te[ 14 ]; - array[ offset + 15 ] = te[ 15 ]; + }, - return array; + addScalar: function ( s ) { - } + this.x += s; + this.y += s; + this.z += s; + this.w += s; - }; + return this; - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + addVectors: function ( a, b ) { - images = images !== undefined ? images : []; - mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; - Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + return this; - this.flipY = false; + }, - } + addScaledVector: function ( v, s ) { - CubeTexture.prototype = Object.create( Texture.prototype ); - CubeTexture.prototype.constructor = CubeTexture; + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; - CubeTexture.prototype.isCubeTexture = true; + return this; - Object.defineProperty( CubeTexture.prototype, 'images', { + }, - get: function () { + sub: function ( v, w ) { - return this.image; + if ( w !== undefined ) { - }, + console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - set: function ( value ) { + } - this.image = value; + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; - } + return this; - } ); + }, - /** - * @author tschw - * - * Uniforms of a program. - * Those form a tree structure with a special top-level container for the root, - * which you get by calling 'new WebGLUniforms( gl, program, renderer )'. - * - * - * Properties of inner nodes including the top-level container: - * - * .seq - array of nested uniforms - * .map - nested uniforms by name - * - * - * Methods of all nodes except the top-level container: - * - * .setValue( gl, value, [renderer] ) - * - * uploads a uniform value(s) - * the 'renderer' parameter is needed for sampler uniforms - * - * - * Static methods of the top-level container (renderer factorizations): - * - * .upload( gl, seq, values, renderer ) - * - * sets uniforms in 'seq' to 'values[id].value' - * - * .seqWithValue( seq, values ) : filteredSeq - * - * filters 'seq' entries with corresponding entry in values - * - * - * Methods of the top-level container (renderer factorizations): - * - * .setValue( gl, name, value ) - * - * sets uniform with name 'name' to 'value' - * - * .set( gl, obj, prop ) - * - * sets uniform from object and property with same name than uniform - * - * .setOptional( gl, obj, prop ) - * - * like .set for an optional property of the object - * - */ + subScalar: function ( s ) { - var emptyTexture = new Texture(); - var emptyCubeTexture = new CubeTexture(); + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; - // --- Base for inner nodes (including the root) --- + return this; - function UniformContainer() { + }, - this.seq = []; - this.map = {}; + subVectors: function ( a, b ) { - } + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; - // --- Utilities --- + return this; - // Array Caches (provide typed arrays for temporary by size) + }, - var arrayCacheF32 = []; - var arrayCacheI32 = []; + multiplyScalar: function ( scalar ) { - // Flattening for arrays of vectors and matrices + if ( isFinite( scalar ) ) { - function flatten( array, nBlocks, blockSize ) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; - var firstElem = array[ 0 ]; + } else { - if ( firstElem <= 0 || firstElem > 0 ) return array; - // unoptimized: ! isNaN( firstElem ) - // see http://jacksondunstan.com/articles/983 + this.x = 0; + this.y = 0; + this.z = 0; + this.w = 0; - var n = nBlocks * blockSize, - r = arrayCacheF32[ n ]; + } - if ( r === undefined ) { + return this; - r = new Float32Array( n ); - arrayCacheF32[ n ] = r; + }, - } + applyMatrix4: function ( m ) { - if ( nBlocks !== 0 ) { + var x = this.x, y = this.y, z = this.z, w = this.w; + var e = m.elements; - firstElem.toArray( r, 0 ); + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; - for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { + return this; - offset += blockSize; - array[ i ].toArray( r, offset ); + }, - } + divideScalar: function ( scalar ) { - } + return this.multiplyScalar( 1 / scalar ); - return r; + }, - } + setAxisAngleFromQuaternion: function ( q ) { - // Texture unit allocation + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm - function allocTexUnits( renderer, n ) { + // q is assumed to be normalized - var r = arrayCacheI32[ n ]; + this.w = 2 * Math.acos( q.w ); - if ( r === undefined ) { + var s = Math.sqrt( 1 - q.w * q.w ); - r = new Int32Array( n ); - arrayCacheI32[ n ] = r; + if ( s < 0.0001 ) { - } + this.x = 1; + this.y = 0; + this.z = 0; - for ( var i = 0; i !== n; ++ i ) - r[ i ] = renderer.allocTextureUnit(); + } else { - return r; + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; - } + } - // --- Setters --- + return this; - // Note: Defining these methods externally, because they come in a bunch - // and this way their names minify. + }, - // Single scalar + setAxisAngleFromRotationMatrix: function ( m ) { - function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } - function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm - // Single float vector (from flat array or THREE.VectorN) + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - function setValue2fv( gl, v ) { + var angle, x, y, z, // variables for result + epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees - if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); - else gl.uniform2f( this.addr, v.x, v.y ); + te = m.elements, - } + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - function setValue3fv( gl, v ) { + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { - if ( v.x !== undefined ) - gl.uniform3f( this.addr, v.x, v.y, v.z ); - else if ( v.r !== undefined ) - gl.uniform3f( this.addr, v.r, v.g, v.b ); - else - gl.uniform3fv( this.addr, v ); + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms - } + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { - function setValue4fv( gl, v ) { + // this singularity is identity matrix so angle = 0 - if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); - else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + this.set( 1, 0, 0, 0 ); - } + return this; // zero angle, arbitrary axis - // Single matrix (from flat array or MatrixN) + } - function setValue2fm( gl, v ) { + // otherwise this singularity is angle = 180 - gl.uniformMatrix2fv( this.addr, false, v.elements || v ); + angle = Math.PI; - } + var xx = ( m11 + 1 ) / 2; + var yy = ( m22 + 1 ) / 2; + var zz = ( m33 + 1 ) / 2; + var xy = ( m12 + m21 ) / 4; + var xz = ( m13 + m31 ) / 4; + var yz = ( m23 + m32 ) / 4; - function setValue3fm( gl, v ) { + if ( ( xx > yy ) && ( xx > zz ) ) { - gl.uniformMatrix3fv( this.addr, false, v.elements || v ); + // m11 is the largest diagonal term - } + if ( xx < epsilon ) { - function setValue4fm( gl, v ) { + x = 0; + y = 0.707106781; + z = 0.707106781; - gl.uniformMatrix4fv( this.addr, false, v.elements || v ); + } else { - } + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; - // Single texture (2D / Cube) + } - function setValueT1( gl, v, renderer ) { + } else if ( yy > zz ) { - var unit = renderer.allocTextureUnit(); - gl.uniform1i( this.addr, unit ); - renderer.setTexture2D( v || emptyTexture, unit ); + // m22 is the largest diagonal term - } + if ( yy < epsilon ) { - function setValueT6( gl, v, renderer ) { + x = 0.707106781; + y = 0; + z = 0.707106781; - var unit = renderer.allocTextureUnit(); - gl.uniform1i( this.addr, unit ); - renderer.setTextureCube( v || emptyCubeTexture, unit ); + } else { - } + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; - // Integer / Boolean vectors or arrays thereof (always flat arrays) + } - function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } - function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } - function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } + } else { - // Helper to pick the right setter for the singular case + // m33 is the largest diagonal term so base result on this - function getSingularSetter( type ) { + if ( zz < epsilon ) { - switch ( type ) { + x = 0.707106781; + y = 0.707106781; + z = 0; - case 0x1406: return setValue1f; // FLOAT - case 0x8b50: return setValue2fv; // _VEC2 - case 0x8b51: return setValue3fv; // _VEC3 - case 0x8b52: return setValue4fv; // _VEC4 + } else { - case 0x8b5a: return setValue2fm; // _MAT2 - case 0x8b5b: return setValue3fm; // _MAT3 - case 0x8b5c: return setValue4fm; // _MAT4 + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; - case 0x8b5e: return setValueT1; // SAMPLER_2D - case 0x8b60: return setValueT6; // SAMPLER_CUBE + } - case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL - case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 - case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 - case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + } - } + this.set( x, y, z, angle ); - } + return this; // return 180 deg rotation - // Array of scalars + } - function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } - function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } + // as we have reached here there are no singularities so we can handle normally - // Array of vectors (flat or from THREE classes) + var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize - function setValueV2a( gl, v ) { + if ( Math.abs( s ) < 0.001 ) s = 1; - gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case - } + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); - function setValueV3a( gl, v ) { + return this; - gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); + }, - } + min: function ( v ) { - function setValueV4a( gl, v ) { + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); - gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); + return this; - } + }, - // Array of matrices (flat or from THREE clases) + max: function ( v ) { - function setValueM2a( gl, v ) { + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); - gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); + return this; - } + }, - function setValueM3a( gl, v ) { + clamp: function ( min, max ) { - gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); + // This function assumes min < max, if this assumption isn't true it will not operate correctly - } + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); - function setValueM4a( gl, v ) { + return this; - gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); + }, - } + clampScalar: function () { - // Array of textures (2D / Cube) + var min, max; - function setValueT1a( gl, v, renderer ) { + return function clampScalar( minVal, maxVal ) { - var n = v.length, - units = allocTexUnits( renderer, n ); + if ( min === undefined ) { - gl.uniform1iv( this.addr, units ); + min = new Vector4(); + max = new Vector4(); - for ( var i = 0; i !== n; ++ i ) { + } - renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + min.set( minVal, minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal, maxVal ); - } + return this.clamp( min, max ); - } + }; - function setValueT6a( gl, v, renderer ) { + }(), - var n = v.length, - units = allocTexUnits( renderer, n ); + floor: function () { - gl.uniform1iv( this.addr, units ); + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); - for ( var i = 0; i !== n; ++ i ) { + return this; - renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + }, - } + ceil: function () { - } + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); - // Helper to pick the right setter for a pure (bottom-level) array + return this; - function getPureArraySetter( type ) { + }, - switch ( type ) { + round: function () { - case 0x1406: return setValue1fv; // FLOAT - case 0x8b50: return setValueV2a; // _VEC2 - case 0x8b51: return setValueV3a; // _VEC3 - case 0x8b52: return setValueV4a; // _VEC4 + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); - case 0x8b5a: return setValueM2a; // _MAT2 - case 0x8b5b: return setValueM3a; // _MAT3 - case 0x8b5c: return setValueM4a; // _MAT4 + return this; - case 0x8b5e: return setValueT1a; // SAMPLER_2D - case 0x8b60: return setValueT6a; // SAMPLER_CUBE + }, - case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL - case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 - case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 - case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 + roundToZero: function () { - } + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); - } + return this; - // --- Uniform Classes --- + }, - function SingleUniform( id, activeInfo, addr ) { + negate: function () { - this.id = id; - this.addr = addr; - this.setValue = getSingularSetter( activeInfo.type ); + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; - // this.path = activeInfo.name; // DEBUG + return this; - } + }, - function PureArrayUniform( id, activeInfo, addr ) { + dot: function ( v ) { - this.id = id; - this.addr = addr; - this.size = activeInfo.size; - this.setValue = getPureArraySetter( activeInfo.type ); + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; - // this.path = activeInfo.name; // DEBUG + }, - } + lengthSq: function () { - function StructuredUniform( id ) { + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; - this.id = id; + }, - UniformContainer.call( this ); // mix-in + length: function () { - } + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); - StructuredUniform.prototype.setValue = function( gl, value ) { + }, - // Note: Don't need an extra 'renderer' parameter, since samplers - // are not allowed in structured uniforms. + lengthManhattan: function () { - var seq = this.seq; + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + }, - var u = seq[ i ]; - u.setValue( gl, value[ u.id ] ); + normalize: function () { - } + return this.divideScalar( this.length() ); - }; + }, - // --- Top-level --- + setLength: function ( length ) { - // Parser - builds up the property tree from the path strings + return this.multiplyScalar( length / this.length() ); - var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; + }, - // extracts - // - the identifier (member name or array index) - // - followed by an optional right bracket (found when array index) - // - followed by an optional left bracket or dot (type of subscript) - // - // Note: These portions can be read in a non-overlapping fashion and - // allow straightforward parsing of the hierarchy that WebGL encodes - // in the uniform names. + lerp: function ( v, alpha ) { - function addUniform( container, uniformObject ) { + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; - container.seq.push( uniformObject ); - container.map[ uniformObject.id ] = uniformObject; + return this; - } + }, - function parseUniform( activeInfo, addr, container ) { + lerpVectors: function ( v1, v2, alpha ) { - var path = activeInfo.name, - pathLength = path.length; + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - // reset RegExp object, because of the early exit of a previous run - RePathPart.lastIndex = 0; + }, - for (; ;) { + equals: function ( v ) { - var match = RePathPart.exec( path ), - matchEnd = RePathPart.lastIndex, + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); - id = match[ 1 ], - idIsIndex = match[ 2 ] === ']', - subscript = match[ 3 ]; + }, - if ( idIsIndex ) id = id | 0; // convert to integer + fromArray: function ( array, offset ) { - if ( subscript === undefined || - subscript === '[' && matchEnd + 2 === pathLength ) { - // bare name or "pure" bottom-level array "[0]" suffix + if ( offset === undefined ) offset = 0; - addUniform( container, subscript === undefined ? - new SingleUniform( id, activeInfo, addr ) : - new PureArrayUniform( id, activeInfo, addr ) ); + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; - break; + return this; - } else { - // step into inner node / create it in case it doesn't exist + }, - var map = container.map, - next = map[ id ]; + toArray: function ( array, offset ) { - if ( next === undefined ) { + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - next = new StructuredUniform( id ); - addUniform( container, next ); + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; - } + return array; - container = next; + }, - } + fromAttribute: function ( attribute, index, offset ) { + + if ( offset === undefined ) offset = 0; + + index = index * attribute.itemSize + offset; + + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; + this.w = attribute.array[ index + 3 ]; + + return this; } - } + }; - // Root Container + /** + * @author szimek / https://github.com/szimek/ + * @author alteredq / http://alteredqualia.com/ + * @author Marius Kintel / https://github.com/kintel + */ - function WebGLUniforms( gl, program, renderer ) { + /* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers + */ + function WebGLRenderTarget( width, height, options ) { - UniformContainer.call( this ); + this.uuid = _Math.generateUUID(); - this.renderer = renderer; + this.width = width; + this.height = height; - var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; - for ( var i = 0; i !== n; ++ i ) { + this.viewport = new Vector4( 0, 0, width, height ); - var info = gl.getActiveUniform( program, i ), - path = info.name, - addr = gl.getUniformLocation( program, path ); + options = options || {}; - parseUniform( info, addr, this ); + if ( options.minFilter === undefined ) options.minFilter = LinearFilter; - } + this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + + this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; + this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true; + this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; } - WebGLUniforms.prototype.setValue = function( gl, name, value ) { + Object.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, { - var u = this.map[ name ]; + isWebGLRenderTarget: true, - if ( u !== undefined ) u.setValue( gl, value, this.renderer ); + setSize: function ( width, height ) { - }; + if ( this.width !== width || this.height !== height ) { - WebGLUniforms.prototype.set = function( gl, object, name ) { + this.width = width; + this.height = height; - var u = this.map[ name ]; + this.dispose(); - if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); + } - }; + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); - WebGLUniforms.prototype.setOptional = function( gl, object, name ) { + }, - var v = object[ name ]; + clone: function () { - if ( v !== undefined ) this.setValue( gl, name, v ); + return new this.constructor().copy( this ); - }; + }, + copy: function ( source ) { - // Static interface + this.width = source.width; + this.height = source.height; - WebGLUniforms.upload = function( gl, seq, values, renderer ) { + this.viewport.copy( source.viewport ); - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + this.texture = source.texture.clone(); - var u = seq[ i ], - v = values[ u.id ]; + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.depthTexture = source.depthTexture; - if ( v.needsUpdate !== false ) { - // note: always updating when .needsUpdate is undefined + return this; - u.setValue( gl, v.value, renderer ); + }, - } + dispose: function () { + + this.dispatchEvent( { type: 'dispose' } ); } - }; + } ); - WebGLUniforms.seqWithValue = function( seq, values ) { + /** + * @author alteredq / http://alteredqualia.com + */ - var r = []; + function WebGLRenderTargetCube( width, height, options ) { - for ( var i = 0, n = seq.length; i !== n; ++ i ) { + WebGLRenderTarget.call( this, width, height, options ); - var u = seq[ i ]; - if ( u.id in values ) r.push( u ); + this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5 + this.activeMipMapLevel = 0; - } + } - return r; + WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype ); + WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube; - }; + WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true; /** - * Uniform Utilities + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io */ - var UniformsUtils = { + function Quaternion( x, y, z, w ) { - merge: function ( uniforms ) { + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._w = ( w !== undefined ) ? w : 1; - var merged = {}; + } - for ( var u = 0; u < uniforms.length; u ++ ) { + Quaternion.prototype = { - var tmp = this.clone( uniforms[ u ] ); + constructor: Quaternion, - for ( var p in tmp ) { + get x () { - merged[ p ] = tmp[ p ]; + return this._x; - } + }, - } + set x ( value ) { - return merged; + this._x = value; + this.onChangeCallback(); }, - clone: function ( uniforms_src ) { + get y () { - var uniforms_dst = {}; + return this._y; - for ( var u in uniforms_src ) { + }, - uniforms_dst[ u ] = {}; + set y ( value ) { - for ( var p in uniforms_src[ u ] ) { + this._y = value; + this.onChangeCallback(); - var parameter_src = uniforms_src[ u ][ p ]; + }, - if ( parameter_src && ( parameter_src.isColor || - parameter_src.isMatrix3 || parameter_src.isMatrix4 || - parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || - parameter_src.isTexture ) ) { + get z () { - uniforms_dst[ u ][ p ] = parameter_src.clone(); + return this._z; - } else if ( Array.isArray( parameter_src ) ) { + }, - uniforms_dst[ u ][ p ] = parameter_src.slice(); + set z ( value ) { - } else { + this._z = value; + this.onChangeCallback(); - uniforms_dst[ u ][ p ] = parameter_src; + }, - } + get w () { - } + return this._w; - } + }, - return uniforms_dst; + set w ( value ) { - } + this._w = value; + this.onChangeCallback(); - }; + }, - var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; + set: function ( x, y, z, w ) { - var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; + this._x = x; + this._y = y; + this._z = z; + this._w = w; - var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; + this.onChangeCallback(); - var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; + return this; - var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + }, - var begin_vertex = "\nvec3 transformed = vec3( position );\n"; + clone: function () { - var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; + return new this.constructor( this._x, this._y, this._z, this._w ); - var bsdfs = "bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\n\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n"; + }, - var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; + copy: function ( quaternion ) { - var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; - var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; + this.onChangeCallback(); - var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; + return this; - var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; + }, - var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; + setFromEuler: function ( euler, update ) { - var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n"; + if ( (euler && euler.isEuler) === false ) { - var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); - var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; + } - var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\n"; + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m - var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; + var c1 = Math.cos( euler._x / 2 ); + var c2 = Math.cos( euler._y / 2 ); + var c3 = Math.cos( euler._z / 2 ); + var s1 = Math.sin( euler._x / 2 ); + var s2 = Math.sin( euler._y / 2 ); + var s3 = Math.sin( euler._z / 2 ); - var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; + var order = euler.order; - var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; + if ( order === 'XYZ' ) { - var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; + } else if ( order === 'YXZ' ) { - var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; + } else if ( order === 'ZXY' ) { - var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n float maxComponent = max( max( value.r, value.g ), value.b );\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n M = ceil( M * 255.0 ) / 255.0;\n return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float D = max( maxRange / maxRGB, 1.0 );\n D = min( floor( D ) / 255.0, 1.0 );\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n vec4 vResult;\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n vResult.w = fract(Le);\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n float Le = value.z * 255.0 + value.w;\n vec3 Xp_Y_XYZp;\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n return vec4( max(vRGB, 0.0), 1.0 );\n}\n"; + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n"; + } else if ( order === 'ZYX' ) { - var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; + } else if ( order === 'YZX' ) { - var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n"; + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; - var fog_fragment = "#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n"; + } else if ( order === 'XZY' ) { - var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; - var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; + } - var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + if ( update !== false ) this.onChangeCallback(); - var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; + return this; - var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\n\t\t\tdirectLight.color = pointLight.color;\n\t\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#include \n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#include \n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n"; + }, - var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; + setFromAxisAngle: function ( axis, angle ) { - var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm - var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; + // assumes axis is normalized - var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n"; + var halfAngle = angle / 2, s = Math.sin( halfAngle ); - var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t \tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\t\t\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); - var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; + this.onChangeCallback(); - var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; + return this; - var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; + }, - var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; + setFromRotationMatrix: function ( m ) { - var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm - var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; + var te = m.elements, - var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], - var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; + trace = m11 + m22 + m33, + s; - var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + if ( trace > 0 ) { - var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; + s = 0.5 / Math.sqrt( trace + 1.0 ); - var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; - var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; + } else if ( m11 > m22 && m11 > m33 ) { - var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; + s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); - var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; - var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; + } else if ( m22 > m33 ) { - var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 1.0 - 2.0 * rgb.xyz;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n"; + s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); - var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; - var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; + } else { - var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; + s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); - var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; - var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n"; + } - var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; + this.onChangeCallback(); - var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; + return this; - var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n"; + }, - var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + setFromUnitVectors: function () { - var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n"; + // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final - var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\tskinned = bindMatrixInverse * skinned;\n#endif\n"; + // assumes direction vectors vFrom and vTo are normalized - var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n"; + var v1, r; - var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + var EPS = 0.000001; - var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + return function setFromUnitVectors( vFrom, vTo ) { - var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; + if ( v1 === undefined ) v1 = new Vector3(); - var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n"; + r = vFrom.dot( vTo ) + 1; - var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; + if ( r < EPS ) { - var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; + r = 0; - var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif"; + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { - var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; + v1.set( - vFrom.y, vFrom.x, 0 ); - var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; + } else { - var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; + v1.set( 0, - vFrom.z, vFrom.y ); - var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; + } - var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; + } else { - var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + v1.crossVectors( vFrom, vTo ); - var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; + } - var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + this._x = v1.x; + this._y = v1.y; + this._z = v1.z; + this._w = r; - var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; + return this.normalize(); - var distanceRGBA_vert = "varying vec4 vWorldPosition;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition;\n}\n"; + }; - var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; + }(), - var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; + inverse: function () { - var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this.conjugate().normalize(); - var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n}\n"; + }, - var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\t#include \n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + conjugate: function () { - var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; - var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + this.onChangeCallback(); - var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this; - var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }, - var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}\n"; + dot: function ( v ) { - var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nuniform float envMapIntensity;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; - var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n}\n"; + }, - var normal_frag = "uniform float opacity;\nvarying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\n\t#include \n}\n"; + lengthSq: function () { - var normal_vert = "varying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\tvNormal = normalize( normalMatrix * normal );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; - var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }, - var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + length: function () { - var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); - var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; + }, - var ShaderChunk = { - alphamap_fragment: alphamap_fragment, - alphamap_pars_fragment: alphamap_pars_fragment, - alphatest_fragment: alphatest_fragment, - aomap_fragment: aomap_fragment, - aomap_pars_fragment: aomap_pars_fragment, - begin_vertex: begin_vertex, - beginnormal_vertex: beginnormal_vertex, - bsdfs: bsdfs, - bumpmap_pars_fragment: bumpmap_pars_fragment, - clipping_planes_fragment: clipping_planes_fragment, - clipping_planes_pars_fragment: clipping_planes_pars_fragment, - clipping_planes_pars_vertex: clipping_planes_pars_vertex, - clipping_planes_vertex: clipping_planes_vertex, - color_fragment: color_fragment, - color_pars_fragment: color_pars_fragment, - color_pars_vertex: color_pars_vertex, - color_vertex: color_vertex, - common: common, - cube_uv_reflection_fragment: cube_uv_reflection_fragment, - defaultnormal_vertex: defaultnormal_vertex, - displacementmap_pars_vertex: displacementmap_pars_vertex, - displacementmap_vertex: displacementmap_vertex, - emissivemap_fragment: emissivemap_fragment, - emissivemap_pars_fragment: emissivemap_pars_fragment, - encodings_fragment: encodings_fragment, - encodings_pars_fragment: encodings_pars_fragment, - envmap_fragment: envmap_fragment, - envmap_pars_fragment: envmap_pars_fragment, - envmap_pars_vertex: envmap_pars_vertex, - envmap_vertex: envmap_vertex, - fog_fragment: fog_fragment, - fog_pars_fragment: fog_pars_fragment, - lightmap_fragment: lightmap_fragment, - lightmap_pars_fragment: lightmap_pars_fragment, - lights_lambert_vertex: lights_lambert_vertex, - lights_pars: lights_pars, - lights_phong_fragment: lights_phong_fragment, - lights_phong_pars_fragment: lights_phong_pars_fragment, - lights_physical_fragment: lights_physical_fragment, - lights_physical_pars_fragment: lights_physical_pars_fragment, - lights_template: lights_template, - logdepthbuf_fragment: logdepthbuf_fragment, - logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, - logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, - logdepthbuf_vertex: logdepthbuf_vertex, - map_fragment: map_fragment, - map_pars_fragment: map_pars_fragment, - map_particle_fragment: map_particle_fragment, - map_particle_pars_fragment: map_particle_pars_fragment, - metalnessmap_fragment: metalnessmap_fragment, - metalnessmap_pars_fragment: metalnessmap_pars_fragment, - morphnormal_vertex: morphnormal_vertex, - morphtarget_pars_vertex: morphtarget_pars_vertex, - morphtarget_vertex: morphtarget_vertex, - normal_flip: normal_flip, - normal_fragment: normal_fragment, - normalmap_pars_fragment: normalmap_pars_fragment, - packing: packing, - premultiplied_alpha_fragment: premultiplied_alpha_fragment, - project_vertex: project_vertex, - roughnessmap_fragment: roughnessmap_fragment, - roughnessmap_pars_fragment: roughnessmap_pars_fragment, - shadowmap_pars_fragment: shadowmap_pars_fragment, - shadowmap_pars_vertex: shadowmap_pars_vertex, - shadowmap_vertex: shadowmap_vertex, - shadowmask_pars_fragment: shadowmask_pars_fragment, - skinbase_vertex: skinbase_vertex, - skinning_pars_vertex: skinning_pars_vertex, - skinning_vertex: skinning_vertex, - skinnormal_vertex: skinnormal_vertex, - specularmap_fragment: specularmap_fragment, - specularmap_pars_fragment: specularmap_pars_fragment, - tonemapping_fragment: tonemapping_fragment, - tonemapping_pars_fragment: tonemapping_pars_fragment, - uv_pars_fragment: uv_pars_fragment, - uv_pars_vertex: uv_pars_vertex, - uv_vertex: uv_vertex, - uv2_pars_fragment: uv2_pars_fragment, - uv2_pars_vertex: uv2_pars_vertex, - uv2_vertex: uv2_vertex, - worldpos_vertex: worldpos_vertex, + normalize: function () { - cube_frag: cube_frag, - cube_vert: cube_vert, - depth_frag: depth_frag, - depth_vert: depth_vert, - distanceRGBA_frag: distanceRGBA_frag, - distanceRGBA_vert: distanceRGBA_vert, - equirect_frag: equirect_frag, - equirect_vert: equirect_vert, - linedashed_frag: linedashed_frag, - linedashed_vert: linedashed_vert, - meshbasic_frag: meshbasic_frag, - meshbasic_vert: meshbasic_vert, - meshlambert_frag: meshlambert_frag, - meshlambert_vert: meshlambert_vert, - meshphong_frag: meshphong_frag, - meshphong_vert: meshphong_vert, - meshphysical_frag: meshphysical_frag, - meshphysical_vert: meshphysical_vert, - normal_frag: normal_frag, - normal_vert: normal_vert, - points_frag: points_frag, - points_vert: points_vert, - shadow_frag: shadow_frag, - shadow_vert: shadow_vert - }; + var l = this.length(); - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( l === 0 ) { - function Color( r, g, b ) { + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; - if ( g === undefined && b === undefined ) { + } else { - // r is THREE.Color, hex or string - return this.set( r ); + l = 1 / l; - } + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; - return this.setRGB( r, g, b ); + } - } + this.onChangeCallback(); - Color.prototype = { + return this; - constructor: Color, + }, - isColor: true, + multiply: function ( q, p ) { - r: 1, g: 1, b: 1, + if ( p !== undefined ) { - set: function ( value ) { + console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); + return this.multiplyQuaternions( q, p ); - if ( (value && value.isColor) ) { + } - this.copy( value ); + return this.multiplyQuaternions( this, q ); - } else if ( typeof value === 'number' ) { + }, - this.setHex( value ); + premultiply: function ( q ) { - } else if ( typeof value === 'string' ) { + return this.multiplyQuaternions( q, this ); - this.setStyle( value ); + }, - } + multiplyQuaternions: function ( a, b ) { - return this; + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm - }, + var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; - setScalar: function ( scalar ) { + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; - this.r = scalar; - this.g = scalar; - this.b = scalar; + this.onChangeCallback(); return this; }, - setHex: function ( hex ) { - - hex = Math.floor( hex ); - - this.r = ( hex >> 16 & 255 ) / 255; - this.g = ( hex >> 8 & 255 ) / 255; - this.b = ( hex & 255 ) / 255; + slerp: function ( qb, t ) { - return this; + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); - }, + var x = this._x, y = this._y, z = this._z, w = this._w; - setRGB: function ( r, g, b ) { + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ - this.r = r; - this.g = g; - this.b = b; + var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; - return this; + if ( cosHalfTheta < 0 ) { - }, + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; - setHSL: function () { + cosHalfTheta = - cosHalfTheta; - function hue2rgb( p, q, t ) { + } else { - if ( t < 0 ) t += 1; - if ( t > 1 ) t -= 1; - if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; - if ( t < 1 / 2 ) return q; - if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); - return p; + this.copy( qb ); } - return function setHSL( h, s, l ) { + if ( cosHalfTheta >= 1.0 ) { - // h,s,l ranges are in 0.0 - 1.0 - h = _Math.euclideanModulo( h, 1 ); - s = _Math.clamp( s, 0, 1 ); - l = _Math.clamp( l, 0, 1 ); + this._w = w; + this._x = x; + this._y = y; + this._z = z; - if ( s === 0 ) { + return this; - this.r = this.g = this.b = l; + } - } else { + var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta ); - var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); - var q = ( 2 * l ) - p; - - this.r = hue2rgb( q, p, h + 1 / 3 ); - this.g = hue2rgb( q, p, h ); - this.b = hue2rgb( q, p, h - 1 / 3 ); + if ( Math.abs( sinHalfTheta ) < 0.001 ) { - } + this._w = 0.5 * ( w + this._w ); + this._x = 0.5 * ( x + this._x ); + this._y = 0.5 * ( y + this._y ); + this._z = 0.5 * ( z + this._z ); return this; - }; + } - }(), + var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; - setStyle: function ( style ) { + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); - function handleAlpha( string ) { + this.onChangeCallback(); - if ( string === undefined ) return; + return this; - if ( parseFloat( string ) < 1 ) { + }, - console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + equals: function ( quaternion ) { - } + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); - } + }, + fromArray: function ( array, offset ) { - var m; + if ( offset === undefined ) offset = 0; - if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; - // rgb / hsl + this.onChangeCallback(); - var color; - var name = m[ 1 ]; - var components = m[ 2 ]; + return this; - switch ( name ) { + }, - case 'rgb': - case 'rgba': + toArray: function ( array, offset ) { - if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - // rgb(255,0,0) rgba(255,0,0,0.5) - this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; - this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; - this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; - handleAlpha( color[ 5 ] ); + return array; - return this; + }, - } + onChange: function ( callback ) { - if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + this.onChangeCallback = callback; - // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) - this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; - this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; - this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + return this; - handleAlpha( color[ 5 ] ); + }, - return this; + onChangeCallback: function () {} - } + }; - break; + Object.assign( Quaternion, { - case 'hsl': - case 'hsla': + slerp: function( qa, qb, qm, t ) { - if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { + return qm.copy( qa ).slerp( qb, t ); - // hsl(120,50%,50%) hsla(120,50%,50%,0.5) - var h = parseFloat( color[ 1 ] ) / 360; - var s = parseInt( color[ 2 ], 10 ) / 100; - var l = parseInt( color[ 3 ], 10 ) / 100; + }, - handleAlpha( color[ 5 ] ); + slerpFlat: function( + dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { - return this.setHSL( h, s, l ); + // fuzz-free, array-based Quaternion SLERP operation - } + var x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ], - break; + x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; - } + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { - } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { + var s = 1 - t, - // hex color + cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, - var hex = m[ 1 ]; - var size = hex.length; + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; - if ( size === 3 ) { + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { - // #ff0 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + var sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); - return this; + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; - } else if ( size === 6 ) { + } - // #ff0000 - this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; - this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; - this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + var tDir = t * dir; - return this; + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; - } + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { - } + var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); - if ( style && style.length > 0 ) { + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; - // color keywords - var hex = ColorKeywords[ style ]; + } - if ( hex !== undefined ) { + } - // red - this.setHex( hex ); + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; - } else { + } - // unknown color - console.warn( 'THREE.Color: Unknown color ' + style ); + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author *kile / http://kile.stravaganza.org/ + * @author philogb / http://blog.thejit.org/ + * @author mikael emtinger / http://gomo.se/ + * @author egraether / http://egraether.com/ + * @author WestLangley / http://github.com/WestLangley + */ - } + function Vector3( x, y, z ) { - return this; + this.x = x || 0; + this.y = y || 0; + this.z = z || 0; - }, + } - clone: function () { + Vector3.prototype = { - return new this.constructor( this.r, this.g, this.b ); + constructor: Vector3, - }, + isVector3: true, - copy: function ( color ) { + set: function ( x, y, z ) { - this.r = color.r; - this.g = color.g; - this.b = color.b; + this.x = x; + this.y = y; + this.z = z; return this; }, - copyGammaToLinear: function ( color, gammaFactor ) { - - if ( gammaFactor === undefined ) gammaFactor = 2.0; + setScalar: function ( scalar ) { - this.r = Math.pow( color.r, gammaFactor ); - this.g = Math.pow( color.g, gammaFactor ); - this.b = Math.pow( color.b, gammaFactor ); + this.x = scalar; + this.y = scalar; + this.z = scalar; return this; }, - copyLinearToGamma: function ( color, gammaFactor ) { - - if ( gammaFactor === undefined ) gammaFactor = 2.0; - - var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; + setX: function ( x ) { - this.r = Math.pow( color.r, safeInverse ); - this.g = Math.pow( color.g, safeInverse ); - this.b = Math.pow( color.b, safeInverse ); + this.x = x; return this; }, - convertGammaToLinear: function () { - - var r = this.r, g = this.g, b = this.b; + setY: function ( y ) { - this.r = r * r; - this.g = g * g; - this.b = b * b; + this.y = y; return this; }, - convertLinearToGamma: function () { + setZ: function ( z ) { - this.r = Math.sqrt( this.r ); - this.g = Math.sqrt( this.g ); - this.b = Math.sqrt( this.b ); + this.z = z; return this; }, - getHex: function () { - - return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; + setComponent: function ( index, value ) { - }, + switch ( index ) { - getHexString: function () { + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); - return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); + } + + return this; }, - getHSL: function ( optionalTarget ) { + getComponent: function ( index ) { - // h,s,l ranges are in 0.0 - 1.0 + switch ( index ) { - var hsl = optionalTarget || { h: 0, s: 0, l: 0 }; + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); - var r = this.r, g = this.g, b = this.b; + } - var max = Math.max( r, g, b ); - var min = Math.min( r, g, b ); + }, - var hue, saturation; - var lightness = ( min + max ) / 2.0; + clone: function () { - if ( min === max ) { + return new this.constructor( this.x, this.y, this.z ); - hue = 0; - saturation = 0; + }, - } else { + copy: function ( v ) { - var delta = max - min; + this.x = v.x; + this.y = v.y; + this.z = v.z; - saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + return this; - switch ( max ) { + }, - case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; - case g: hue = ( b - r ) / delta + 2; break; - case b: hue = ( r - g ) / delta + 4; break; + add: function ( v, w ) { - } + if ( w !== undefined ) { - hue /= 6; + console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); } - hsl.h = hue; - hsl.s = saturation; - hsl.l = lightness; + this.x += v.x; + this.y += v.y; + this.z += v.z; - return hsl; + return this; }, - getStyle: function () { - - return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; + addScalar: function ( s ) { - }, + this.x += s; + this.y += s; + this.z += s; - offsetHSL: function ( h, s, l ) { + return this; - var hsl = this.getHSL(); + }, - hsl.h += h; hsl.s += s; hsl.l += l; + addVectors: function ( a, b ) { - this.setHSL( hsl.h, hsl.s, hsl.l ); + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; return this; }, - add: function ( color ) { + addScaledVector: function ( v, s ) { - this.r += color.r; - this.g += color.g; - this.b += color.b; + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; return this; }, - addColors: function ( color1, color2 ) { - - this.r = color1.r + color2.r; - this.g = color1.g + color2.g; - this.b = color1.b + color2.b; + sub: function ( v, w ) { - return this; + if ( w !== undefined ) { - }, + console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); - addScalar: function ( s ) { + } - this.r += s; - this.g += s; - this.b += s; + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; return this; }, - sub: function( color ) { + subScalar: function ( s ) { - this.r = Math.max( 0, this.r - color.r ); - this.g = Math.max( 0, this.g - color.g ); - this.b = Math.max( 0, this.b - color.b ); + this.x -= s; + this.y -= s; + this.z -= s; return this; }, - multiply: function ( color ) { + subVectors: function ( a, b ) { - this.r *= color.r; - this.g *= color.g; - this.b *= color.b; + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; return this; }, - multiplyScalar: function ( s ) { - - this.r *= s; - this.g *= s; - this.b *= s; + multiply: function ( v, w ) { - return this; + if ( w !== undefined ) { - }, + console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); + return this.multiplyVectors( v, w ); - lerp: function ( color, alpha ) { + } - this.r += ( color.r - this.r ) * alpha; - this.g += ( color.g - this.g ) * alpha; - this.b += ( color.b - this.b ) * alpha; + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; return this; }, - equals: function ( c ) { + multiplyScalar: function ( scalar ) { - return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + if ( isFinite( scalar ) ) { - }, + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; - fromArray: function ( array, offset ) { + } else { - if ( offset === undefined ) offset = 0; + this.x = 0; + this.y = 0; + this.z = 0; - this.r = array[ offset ]; - this.g = array[ offset + 1 ]; - this.b = array[ offset + 2 ]; + } return this; }, - toArray: function ( array, offset ) { - - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + multiplyVectors: function ( a, b ) { - array[ offset ] = this.r; - array[ offset + 1 ] = this.g; - array[ offset + 2 ] = this.b; + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; - return array; + return this; }, - toJSON: function () { + applyEuler: function () { - return this.getHex(); + var quaternion; - } + return function applyEuler( euler ) { - }; + if ( (euler && euler.isEuler) === false ) { - var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, - 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, - 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, - 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, - 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, - 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, - 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, - 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, - 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, - 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, - 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, - 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, - 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, - 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, - 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, - 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, - 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, - 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, - 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, - 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, - 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, - 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, - 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, - 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); - /** - * Uniforms library for shared webgl shaders - */ + } - var UniformsLib = { + if ( quaternion === undefined ) quaternion = new Quaternion(); - common: { + return this.applyQuaternion( quaternion.setFromEuler( euler ) ); - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, + }; - map: { value: null }, - offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, + }(), - specularMap: { value: null }, - alphaMap: { value: null }, + applyAxisAngle: function () { - envMap: { value: null }, - flipEnvMap: { value: - 1 }, - reflectivity: { value: 1.0 }, - refractionRatio: { value: 0.98 } + var quaternion; - }, + return function applyAxisAngle( axis, angle ) { - aomap: { + if ( quaternion === undefined ) quaternion = new Quaternion(); - aoMap: { value: null }, - aoMapIntensity: { value: 1 } + return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) ); - }, + }; - lightmap: { + }(), - lightMap: { value: null }, - lightMapIntensity: { value: 1 } + applyMatrix3: function ( m ) { - }, + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - emissivemap: { + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; - emissiveMap: { value: null } + return this; }, - bumpmap: { + applyMatrix4: function ( m ) { - bumpMap: { value: null }, - bumpScale: { value: 1 } + // input: THREE.Matrix4 affine matrix - }, + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - normalmap: { + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ]; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ]; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ]; - normalMap: { value: null }, - normalScale: { value: new Vector2( 1, 1 ) } + return this; }, - displacementmap: { + applyProjection: function ( m ) { - displacementMap: { value: null }, - displacementScale: { value: 1 }, - displacementBias: { value: 0 } + // input: THREE.Matrix4 projection matrix - }, + var x = this.x, y = this.y, z = this.z; + var e = m.elements; + var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide - roughnessmap: { + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d; - roughnessMap: { value: null } + return this; }, - metalnessmap: { + applyQuaternion: function ( q ) { - metalnessMap: { value: null } + var x = this.x, y = this.y, z = this.z; + var qx = q.x, qy = q.y, qz = q.z, qw = q.w; - }, + // calculate quat * vector - fog: { + var ix = qw * x + qy * z - qz * y; + var iy = qw * y + qz * x - qx * z; + var iz = qw * z + qx * y - qy * x; + var iw = - qx * x - qy * y - qz * z; - fogDensity: { value: 0.00025 }, - fogNear: { value: 1 }, - fogFar: { value: 2000 }, - fogColor: { value: new Color( 0xffffff ) } + // calculate result * inverse quat - }, + this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; + this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; + this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; - lights: { + return this; - ambientLightColor: { value: [] }, + }, - directionalLights: { value: [], properties: { - direction: {}, - color: {}, + project: function () { - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + var matrix; - directionalShadowMap: { value: [] }, - directionalShadowMatrix: { value: [] }, + return function project( camera ) { - spotLights: { value: [], properties: { - color: {}, - position: {}, - direction: {}, - distance: {}, - coneCos: {}, - penumbraCos: {}, - decay: {}, + if ( matrix === undefined ) matrix = new Matrix4(); - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) ); + return this.applyProjection( matrix ); - spotShadowMap: { value: [] }, - spotShadowMatrix: { value: [] }, + }; - pointLights: { value: [], properties: { - color: {}, - position: {}, - decay: {}, - distance: {}, + }(), - shadow: {}, - shadowBias: {}, - shadowRadius: {}, - shadowMapSize: {} - } }, + unproject: function () { - pointShadowMap: { value: [] }, - pointShadowMatrix: { value: [] }, + var matrix; - hemisphereLights: { value: [], properties: { - direction: {}, - skyColor: {}, - groundColor: {} - } } + return function unproject( camera ) { - }, + if ( matrix === undefined ) matrix = new Matrix4(); - points: { + matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) ); + return this.applyProjection( matrix ); - diffuse: { value: new Color( 0xeeeeee ) }, - opacity: { value: 1.0 }, - size: { value: 1.0 }, - scale: { value: 1.0 }, - map: { value: null }, - offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } + }; - } + }(), - }; + transformDirection: function ( m ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - */ + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction - var ShaderLib = { + var x = this.x, y = this.y, z = this.z; + var e = m.elements; - basic: { + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; - uniforms: UniformsUtils.merge( [ + return this.normalize(); - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.fog + }, - ] ), + divide: function ( v ) { - vertexShader: ShaderChunk.meshbasic_vert, - fragmentShader: ShaderChunk.meshbasic_frag + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + + return this; }, - lambert: { + divideScalar: function ( scalar ) { - uniforms: UniformsUtils.merge( [ + return this.multiplyScalar( 1 / scalar ); - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.fog, - UniformsLib.lights, + }, - { - emissive : { value: new Color( 0x000000 ) } - } + min: function ( v ) { - ] ), + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); - vertexShader: ShaderChunk.meshlambert_vert, - fragmentShader: ShaderChunk.meshlambert_frag + return this; }, - phong: { + max: function ( v ) { - uniforms: UniformsUtils.merge( [ + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.fog, - UniformsLib.lights, + return this; - { - emissive : { value: new Color( 0x000000 ) }, - specular : { value: new Color( 0x111111 ) }, - shininess: { value: 30 } - } + }, - ] ), + clamp: function ( min, max ) { - vertexShader: ShaderChunk.meshphong_vert, - fragmentShader: ShaderChunk.meshphong_frag + // This function assumes min < max, if this assumption isn't true it will not operate correctly - }, + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); - standard: { + return this; - uniforms: UniformsUtils.merge( [ + }, - UniformsLib.common, - UniformsLib.aomap, - UniformsLib.lightmap, - UniformsLib.emissivemap, - UniformsLib.bumpmap, - UniformsLib.normalmap, - UniformsLib.displacementmap, - UniformsLib.roughnessmap, - UniformsLib.metalnessmap, - UniformsLib.fog, - UniformsLib.lights, + clampScalar: function () { - { - emissive : { value: new Color( 0x000000 ) }, - roughness: { value: 0.5 }, - metalness: { value: 0 }, - envMapIntensity : { value: 1 }, // temporary - } + var min, max; - ] ), + return function clampScalar( minVal, maxVal ) { - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag + if ( min === undefined ) { - }, + min = new Vector3(); + max = new Vector3(); - points: { + } - uniforms: UniformsUtils.merge( [ + min.set( minVal, minVal, minVal ); + max.set( maxVal, maxVal, maxVal ); - UniformsLib.points, - UniformsLib.fog + return this.clamp( min, max ); - ] ), + }; - vertexShader: ShaderChunk.points_vert, - fragmentShader: ShaderChunk.points_frag + }(), - }, + clampLength: function ( min, max ) { - dashed: { + var length = this.length(); - uniforms: UniformsUtils.merge( [ + return this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length ); - UniformsLib.common, - UniformsLib.fog, + }, - { - scale : { value: 1 }, - dashSize : { value: 1 }, - totalSize: { value: 2 } - } + floor: function () { - ] ), + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); - vertexShader: ShaderChunk.linedashed_vert, - fragmentShader: ShaderChunk.linedashed_frag + return this; }, - depth: { + ceil: function () { - uniforms: UniformsUtils.merge( [ + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); - UniformsLib.common, - UniformsLib.displacementmap + return this; - ] ), + }, - vertexShader: ShaderChunk.depth_vert, - fragmentShader: ShaderChunk.depth_frag + round: function () { - }, + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); - normal: { + return this; - uniforms: { + }, - opacity : { value: 1.0 } + roundToZero: function () { - }, + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); - vertexShader: ShaderChunk.normal_vert, - fragmentShader: ShaderChunk.normal_frag + return this; }, - /* ------------------------------------------------------------------------- - // Cube map shader - ------------------------------------------------------------------------- */ + negate: function () { - cube: { + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; - uniforms: { - tCube: { value: null }, - tFlip: { value: - 1 }, - opacity: { value: 1.0 } - }, + return this; - vertexShader: ShaderChunk.cube_vert, - fragmentShader: ShaderChunk.cube_frag + }, + + dot: function ( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z; }, - /* ------------------------------------------------------------------------- - // Cube map shader - ------------------------------------------------------------------------- */ + lengthSq: function () { - equirect: { + return this.x * this.x + this.y * this.y + this.z * this.z; - uniforms: { - tEquirect: { value: null }, - tFlip: { value: - 1 } - }, + }, - vertexShader: ShaderChunk.equirect_vert, - fragmentShader: ShaderChunk.equirect_frag + length: function () { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); }, - distanceRGBA: { + lengthManhattan: function () { - uniforms: { + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); - lightPos: { value: new Vector3() } + }, - }, + normalize: function () { - vertexShader: ShaderChunk.distanceRGBA_vert, - fragmentShader: ShaderChunk.distanceRGBA_frag + return this.divideScalar( this.length() ); - } + }, - }; + setLength: function ( length ) { - ShaderLib.physical = { + return this.multiplyScalar( length / this.length() ); - uniforms: UniformsUtils.merge( [ + }, - ShaderLib.standard.uniforms, + lerp: function ( v, alpha ) { - { - clearCoat: { value: 0 }, - clearCoatRoughness: { value: 0 } - } + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; - ] ), + return this; - vertexShader: ShaderChunk.meshphysical_vert, - fragmentShader: ShaderChunk.meshphysical_frag + }, - }; + lerpVectors: function ( v1, v2, alpha ) { - /** - * @author bhouston / http://clara.io - */ + return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 ); - function Box2( min, max ) { + }, - this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); - this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); + cross: function ( v, w ) { - } + if ( w !== undefined ) { - Box2.prototype = { + console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); + return this.crossVectors( v, w ); - constructor: Box2, + } - set: function ( min, max ) { + var x = this.x, y = this.y, z = this.z; - this.min.copy( min ); - this.max.copy( max ); + this.x = y * v.z - z * v.y; + this.y = z * v.x - x * v.z; + this.z = x * v.y - y * v.x; return this; }, - setFromPoints: function ( points ) { + crossVectors: function ( a, b ) { - this.makeEmpty(); + var ax = a.x, ay = a.y, az = a.z; + var bx = b.x, by = b.y, bz = b.z; - for ( var i = 0, il = points.length; i < il; i ++ ) { + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; - this.expandByPoint( points[ i ] ); + return this; - } + }, - return this; + projectOnVector: function ( vector ) { + + var scalar = vector.dot( this ) / vector.lengthSq(); + + return this.copy( vector ).multiplyScalar( scalar ); }, - setFromCenterAndSize: function () { + projectOnPlane: function () { - var v1 = new Vector2(); + var v1; - return function setFromCenterAndSize( center, size ) { + return function projectOnPlane( planeNormal ) { - var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); + if ( v1 === undefined ) v1 = new Vector3(); - return this; + v1.copy( this ).projectOnVector( planeNormal ); + + return this.sub( v1 ); }; }(), - clone: function () { + reflect: function () { - return new this.constructor().copy( this ); + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length - }, + var v1; - copy: function ( box ) { + return function reflect( normal ) { - this.min.copy( box.min ); - this.max.copy( box.max ); + if ( v1 === undefined ) v1 = new Vector3(); - return this; + return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); - }, + }; - makeEmpty: function () { + }(), - this.min.x = this.min.y = + Infinity; - this.max.x = this.max.y = - Infinity; + angleTo: function ( v ) { - return this; + var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) ); - }, + // clamp, to handle numerical problems - isEmpty: function () { + return Math.acos( _Math.clamp( theta, - 1, 1 ) ); - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + }, - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + distanceTo: function ( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); }, - getCenter: function ( optionalTarget ) { + distanceToSquared: function ( v ) { - var result = optionalTarget || new Vector2(); - return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + + return dx * dx + dy * dy + dz * dz; }, - getSize: function ( optionalTarget ) { + distanceToManhattan: function ( v ) { - var result = optionalTarget || new Vector2(); - return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min ); + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); }, - expandByPoint: function ( point ) { + setFromSpherical: function( s ) { - this.min.min( point ); - this.max.max( point ); + var sinPhiRadius = Math.sin( s.phi ) * s.radius; + + this.x = sinPhiRadius * Math.sin( s.theta ); + this.y = Math.cos( s.phi ) * s.radius; + this.z = sinPhiRadius * Math.cos( s.theta ); return this; }, - expandByVector: function ( vector ) { - - this.min.sub( vector ); - this.max.add( vector ); + setFromMatrixPosition: function ( m ) { - return this; + return this.setFromMatrixColumn( m, 3 ); }, - expandByScalar: function ( scalar ) { + setFromMatrixScale: function ( m ) { - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); + var sx = this.setFromMatrixColumn( m, 0 ).length(); + var sy = this.setFromMatrixColumn( m, 1 ).length(); + var sz = this.setFromMatrixColumn( m, 2 ).length(); + + this.x = sx; + this.y = sy; + this.z = sz; return this; }, - containsPoint: function ( point ) { + setFromMatrixColumn: function ( m, index ) { - if ( point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y ) { + if ( typeof m === 'number' ) { - return false; + console.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' ); + var temp = m; + m = index; + index = temp; } - return true; + return this.fromArray( m.elements, index * 4 ); }, - containsBox: function ( box ) { + equals: function ( v ) { - if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && - ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) { + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); - return true; + }, - } + fromArray: function ( array, offset ) { - return false; + if ( offset === undefined ) offset = 0; - }, + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; - getParameter: function ( point, optionalTarget ) { + return this; - // This can potentially have a divide by zero if the box - // has a size dimension of 0. + }, - var result = optionalTarget || new Vector2(); + toArray: function ( array, offset ) { - return result.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ) - ); + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + + return array; }, - intersectsBox: function ( box ) { + fromAttribute: function ( attribute, index, offset ) { - // using 6 splitting planes to rule out intersections. + if ( offset === undefined ) offset = 0; - if ( box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y ) { + index = index * attribute.itemSize + offset; - return false; + this.x = attribute.array[ index ]; + this.y = attribute.array[ index + 1 ]; + this.z = attribute.array[ index + 2 ]; - } + return this; - return true; + } - }, + }; - clampPoint: function ( point, optionalTarget ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author supereggbert / http://www.paulbrunt.co.uk/ + * @author philogb / http://blog.thejit.org/ + * @author jordi_ros / http://plattsoft.com + * @author D1plo1d / http://github.com/D1plo1d + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author timknip / http://www.floorplanner.com/ + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + */ - var result = optionalTarget || new Vector2(); - return result.copy( point ).clamp( this.min, this.max ); + function Matrix4() { - }, + this.elements = new Float32Array( [ - distanceToPoint: function () { + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 - var v1 = new Vector2(); + ] ); - return function distanceToPoint( point ) { + if ( arguments.length > 0 ) { - var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); - return clampedPoint.sub( point ).length(); + console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); - }; + } - }(), + } - intersect: function ( box ) { + Matrix4.prototype = { - this.min.max( box.min ); - this.max.min( box.max ); + constructor: Matrix4, - return this; + isMatrix4: true, - }, + set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { - union: function ( box ) { + var te = this.elements; - this.min.min( box.min ); - this.max.max( box.max ); + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; return this; }, - translate: function ( offset ) { + identity: function () { - this.min.add( offset ); - this.max.add( offset ); + this.set( + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); return this; }, - equals: function ( box ) { + clone: function () { - return box.min.equals( this.min ) && box.max.equals( this.max ); + return new Matrix4().fromArray( this.elements ); - } + }, - }; + copy: function ( m ) { - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + this.elements.set( m.elements ); - function LensFlarePlugin( renderer, flares ) { + return this; - var gl = renderer.context; - var state = renderer.state; + }, - var vertexBuffer, elementBuffer; - var shader, program, attributes, uniforms; + copyPosition: function ( m ) { - var tempTexture, occlusionTexture; + var te = this.elements; + var me = m.elements; - function init() { + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; - var vertices = new Float32Array( [ - - 1, - 1, 0, 0, - 1, - 1, 1, 0, - 1, 1, 1, 1, - - 1, 1, 0, 1 - ] ); + return this; - var faces = new Uint16Array( [ - 0, 1, 2, - 0, 2, 3 - ] ); + }, - // buffers + extractBasis: function ( xAxis, yAxis, zAxis ) { - vertexBuffer = gl.createBuffer(); - elementBuffer = gl.createBuffer(); + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + return this; - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + }, - // textures + makeBasis: function ( xAxis, yAxis, zAxis ) { - tempTexture = gl.createTexture(); - occlusionTexture = gl.createTexture(); + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + return this; - state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); - gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); - gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + }, - shader = { + extractRotation: function () { - vertexShader: [ + var v1; - "uniform lowp int renderType;", + return function extractRotation( m ) { - "uniform vec3 screenPosition;", - "uniform vec2 scale;", - "uniform float rotation;", + if ( v1 === undefined ) v1 = new Vector3(); - "uniform sampler2D occlusionMap;", + var te = this.elements; + var me = m.elements; - "attribute vec2 position;", - "attribute vec2 uv;", + var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length(); + var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length(); + var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length(); - "varying vec2 vUV;", - "varying float vVisibility;", + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; - "void main() {", + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; - "vUV = uv;", + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; - "vec2 pos = position;", + return this; - "if ( renderType == 2 ) {", + }; - "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", - "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", + }(), - "vVisibility = visibility.r / 9.0;", - "vVisibility *= 1.0 - visibility.g / 9.0;", - "vVisibility *= visibility.b / 9.0;", - "vVisibility *= 1.0 - visibility.a / 9.0;", + makeRotationFromEuler: function ( euler ) { - "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", - "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", + if ( (euler && euler.isEuler) === false ) { - "}", + console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); - "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", + } - "}" + var te = this.elements; - ].join( "\n" ), + var x = euler.x, y = euler.y, z = euler.z; + var a = Math.cos( x ), b = Math.sin( x ); + var c = Math.cos( y ), d = Math.sin( y ); + var e = Math.cos( z ), f = Math.sin( z ); - fragmentShader: [ + if ( euler.order === 'XYZ' ) { - "uniform lowp int renderType;", + var ae = a * e, af = a * f, be = b * e, bf = b * f; - "uniform sampler2D map;", - "uniform float opacity;", - "uniform vec3 color;", + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; - "varying vec2 vUV;", - "varying float vVisibility;", + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; - "void main() {", + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; - // pink square + } else if ( euler.order === 'YXZ' ) { - "if ( renderType == 0 ) {", + var ce = c * e, cf = c * f, de = d * e, df = d * f; - "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; - // restore + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; - "} else if ( renderType == 1 ) {", + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; - "gl_FragColor = texture2D( map, vUV );", + } else if ( euler.order === 'ZXY' ) { - // flare + var ce = c * e, cf = c * f, de = d * e, df = d * f; - "} else {", + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; - "vec4 texture = texture2D( map, vUV );", - "texture.a *= opacity * vVisibility;", - "gl_FragColor = texture;", - "gl_FragColor.rgb *= color;", + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; - "}", + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; - "}" + } else if ( euler.order === 'ZYX' ) { - ].join( "\n" ) + var ae = a * e, af = a * f, be = b * e, bf = b * f; - }; + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; - program = createProgram( shader ); + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; - attributes = { - vertex: gl.getAttribLocation ( program, "position" ), - uv: gl.getAttribLocation ( program, "uv" ) - }; + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; - uniforms = { - renderType: gl.getUniformLocation( program, "renderType" ), - map: gl.getUniformLocation( program, "map" ), - occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), - opacity: gl.getUniformLocation( program, "opacity" ), - color: gl.getUniformLocation( program, "color" ), - scale: gl.getUniformLocation( program, "scale" ), - rotation: gl.getUniformLocation( program, "rotation" ), - screenPosition: gl.getUniformLocation( program, "screenPosition" ) - }; + } else if ( euler.order === 'YZX' ) { - } + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - /* - * Render lens flares - * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, - * reads these back and calculates occlusion. - */ + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; - this.render = function ( scene, camera, viewport ) { + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; - if ( flares.length === 0 ) return; + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; - var tempPosition = new Vector3(); + } else if ( euler.order === 'XZY' ) { - var invAspect = viewport.w / viewport.z, - halfViewportWidth = viewport.z * 0.5, - halfViewportHeight = viewport.w * 0.5; + var ac = a * c, ad = a * d, bc = b * c, bd = b * d; - var size = 16 / viewport.w, - scale = new Vector2( size * invAspect, size ); + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; - var screenPosition = new Vector3( 1, 1, 0 ), - screenPositionPixels = new Vector2( 1, 1 ); + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; - var validArea = new Box2(); + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; - validArea.min.set( viewport.x, viewport.y ); - validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); + } - if ( program === undefined ) { + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; - init(); + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; - } + return this; - gl.useProgram( program ); + }, - state.initAttributes(); - state.enableAttribute( attributes.vertex ); - state.enableAttribute( attributes.uv ); - state.disableUnusedAttributes(); + makeRotationFromQuaternion: function ( q ) { - // loop through all lens flares to update their occlusion and positions - // setup gl and common used attribs/uniforms + var te = this.elements; - gl.uniform1i( uniforms.occlusionMap, 0 ); - gl.uniform1i( uniforms.map, 1 ); + var x = q.x, y = q.y, z = q.z, w = q.w; + var x2 = x + x, y2 = y + y, z2 = z + z; + var xx = x * x2, xy = x * y2, xz = x * z2; + var yy = y * y2, yz = y * z2, zz = z * z2; + var wx = w * x2, wy = w * y2, wz = w * z2; - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); - gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + te[ 0 ] = 1 - ( yy + zz ); + te[ 4 ] = xy - wz; + te[ 8 ] = xz + wy; - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + te[ 1 ] = xy + wz; + te[ 5 ] = 1 - ( xx + zz ); + te[ 9 ] = yz - wx; - state.disable( gl.CULL_FACE ); - state.setDepthWrite( false ); + te[ 2 ] = xz - wy; + te[ 6 ] = yz + wx; + te[ 10 ] = 1 - ( xx + yy ); - for ( var i = 0, l = flares.length; i < l; i ++ ) { + // last column + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; - size = 16 / viewport.w; - scale.set( size * invAspect, size ); + // bottom row + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; - // calc object screen position + return this; - var flare = flares[ i ]; + }, - tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); + lookAt: function () { - tempPosition.applyMatrix4( camera.matrixWorldInverse ); - tempPosition.applyProjection( camera.projectionMatrix ); + var x, y, z; - // setup arrays for gl programs + return function lookAt( eye, target, up ) { - screenPosition.copy( tempPosition ); + if ( x === undefined ) { - // horizontal and vertical coordinate of the lower left corner of the pixels to copy + x = new Vector3(); + y = new Vector3(); + z = new Vector3(); - screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; - screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; + } - // screen cull + var te = this.elements; - if ( validArea.containsPoint( screenPositionPixels ) === true ) { + z.subVectors( eye, target ).normalize(); - // save current RGB to temp texture + if ( z.lengthSq() === 0 ) { - state.activeTexture( gl.TEXTURE0 ); - state.bindTexture( gl.TEXTURE_2D, null ); - state.activeTexture( gl.TEXTURE1 ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + z.z = 1; + } - // render pink quad + x.crossVectors( up, z ).normalize(); - gl.uniform1i( uniforms.renderType, 0 ); - gl.uniform2f( uniforms.scale, scale.x, scale.y ); - gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + if ( x.lengthSq() === 0 ) { - state.disable( gl.BLEND ); - state.enable( gl.DEPTH_TEST ); + z.z += 0.0001; + x.crossVectors( up, z ).normalize(); - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + } + y.crossVectors( z, x ); - // copy result to occlusionMap - state.activeTexture( gl.TEXTURE0 ); - state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); - gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); + te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x; + te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y; + te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z; + return this; - // restore graphics + }; - gl.uniform1i( uniforms.renderType, 1 ); - state.disable( gl.DEPTH_TEST ); + }(), - state.activeTexture( gl.TEXTURE1 ); - state.bindTexture( gl.TEXTURE_2D, tempTexture ); - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + multiply: function ( m, n ) { + if ( n !== undefined ) { - // update object positions + console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); + return this.multiplyMatrices( m, n ); - flare.positionScreen.copy( screenPosition ); + } - if ( flare.customUpdateCallback ) { + return this.multiplyMatrices( this, m ); - flare.customUpdateCallback( flare ); + }, - } else { + premultiply: function ( m ) { - flare.updateLensFlares(); + return this.multiplyMatrices( m, this ); - } + }, - // render flares + multiplyMatrices: function ( a, b ) { - gl.uniform1i( uniforms.renderType, 2 ); - state.enable( gl.BLEND ); + var ae = a.elements; + var be = b.elements; + var te = this.elements; - for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { + var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; - var sprite = flare.lensFlares[ j ]; + var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; - if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { - - screenPosition.x = sprite.x; - screenPosition.y = sprite.y; - screenPosition.z = sprite.z; - - size = sprite.size * sprite.scale / viewport.w; + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; - scale.x = size * invAspect; - scale.y = size; + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; - gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); - gl.uniform2f( uniforms.scale, scale.x, scale.y ); - gl.uniform1f( uniforms.rotation, sprite.rotation ); + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; - gl.uniform1f( uniforms.opacity, sprite.opacity ); - gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; - state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); - renderer.setTexture2D( sprite.texture, 1 ); + return this; - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + }, - } + multiplyToArray: function ( a, b, r ) { - } + var te = this.elements; - } + this.multiplyMatrices( a, b ); - } + r[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ]; + r[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ]; + r[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ]; + r[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ]; - // restore gl + return this; - state.enable( gl.CULL_FACE ); - state.enable( gl.DEPTH_TEST ); - state.setDepthWrite( true ); + }, - renderer.resetGLState(); + multiplyScalar: function ( s ) { - }; + var te = this.elements; - function createProgram( shader ) { + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; - var program = gl.createProgram(); + return this; - var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); - var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + }, - var prefix = "precision " + renderer.getPrecision() + " float;\n"; + applyToVector3Array: function () { - gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); - gl.shaderSource( vertexShader, prefix + shader.vertexShader ); + var v1; - gl.compileShader( fragmentShader ); - gl.compileShader( vertexShader ); + return function applyToVector3Array( array, offset, length ) { - gl.attachShader( program, fragmentShader ); - gl.attachShader( program, vertexShader ); + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; - gl.linkProgram( program ); + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { - return program; + v1.fromArray( array, j ); + v1.applyMatrix4( this ); + v1.toArray( array, j ); - } + } - } + return array; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + }; - function SpritePlugin( renderer, sprites ) { + }(), - var gl = renderer.context; - var state = renderer.state; + applyToBuffer: function () { - var vertexBuffer, elementBuffer; - var program, attributes, uniforms; + var v1; - var texture; + return function applyToBuffer( buffer, offset, length ) { - // decompose matrixWorld + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; - var spritePosition = new Vector3(); - var spriteRotation = new Quaternion(); - var spriteScale = new Vector3(); + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { - function init() { + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); - var vertices = new Float32Array( [ - - 0.5, - 0.5, 0, 0, - 0.5, - 0.5, 1, 0, - 0.5, 0.5, 1, 1, - - 0.5, 0.5, 0, 1 - ] ); + v1.applyMatrix4( this ); - var faces = new Uint16Array( [ - 0, 1, 2, - 0, 2, 3 - ] ); + buffer.setXYZ( j, v1.x, v1.y, v1.z ); - vertexBuffer = gl.createBuffer(); - elementBuffer = gl.createBuffer(); + } - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); + return buffer; - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); + }; - program = createProgram(); + }(), - attributes = { - position: gl.getAttribLocation ( program, 'position' ), - uv: gl.getAttribLocation ( program, 'uv' ) - }; + determinant: function () { - uniforms = { - uvOffset: gl.getUniformLocation( program, 'uvOffset' ), - uvScale: gl.getUniformLocation( program, 'uvScale' ), + var te = this.elements; - rotation: gl.getUniformLocation( program, 'rotation' ), - scale: gl.getUniformLocation( program, 'scale' ), + var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; - color: gl.getUniformLocation( program, 'color' ), - map: gl.getUniformLocation( program, 'map' ), - opacity: gl.getUniformLocation( program, 'opacity' ), + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) - modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), - projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) - fogType: gl.getUniformLocation( program, 'fogType' ), - fogDensity: gl.getUniformLocation( program, 'fogDensity' ), - fogNear: gl.getUniformLocation( program, 'fogNear' ), - fogFar: gl.getUniformLocation( program, 'fogFar' ), - fogColor: gl.getUniformLocation( program, 'fogColor' ), + ); - alphaTest: gl.getUniformLocation( program, 'alphaTest' ) - }; + }, - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = 8; - canvas.height = 8; + transpose: function () { - var context = canvas.getContext( '2d' ); - context.fillStyle = 'white'; - context.fillRect( 0, 0, 8, 8 ); + var te = this.elements; + var tmp; - texture = new Texture( canvas ); - texture.needsUpdate = true; + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; - } + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; - this.render = function ( scene, camera ) { + return this; - if ( sprites.length === 0 ) return; + }, - // setup gl + flattenToArrayOffset: function ( array, offset ) { - if ( program === undefined ) { + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); - init(); + return this.toArray( array, offset ); - } + }, - gl.useProgram( program ); + getPosition: function () { - state.initAttributes(); - state.enableAttribute( attributes.position ); - state.enableAttribute( attributes.uv ); - state.disableUnusedAttributes(); + var v1; - state.disable( gl.CULL_FACE ); - state.enable( gl.BLEND ); + return function getPosition() { - gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); - gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); - gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); + if ( v1 === undefined ) v1 = new Vector3(); + console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' ); - gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + return v1.setFromMatrixColumn( this, 3 ); - gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); + }; - state.activeTexture( gl.TEXTURE0 ); - gl.uniform1i( uniforms.map, 0 ); + }(), - var oldFogType = 0; - var sceneFogType = 0; - var fog = scene.fog; + setPosition: function ( v ) { - if ( fog ) { + var te = this.elements; - gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); + te[ 12 ] = v.x; + te[ 13 ] = v.y; + te[ 14 ] = v.z; - if ( (fog && fog.isFog) ) { + return this; - gl.uniform1f( uniforms.fogNear, fog.near ); - gl.uniform1f( uniforms.fogFar, fog.far ); + }, - gl.uniform1i( uniforms.fogType, 1 ); - oldFogType = 1; - sceneFogType = 1; + getInverse: function ( m, throwOnDegenerate ) { - } else if ( (fog && fog.isFogExp2) ) { + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + var te = this.elements, + me = m.elements, - gl.uniform1f( uniforms.fogDensity, fog.density ); + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ], + n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ], + n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ], + n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ], - gl.uniform1i( uniforms.fogType, 2 ); - oldFogType = 2; - sceneFogType = 2; + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; - } + var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; - } else { + if ( det === 0 ) { - gl.uniform1i( uniforms.fogType, 0 ); - oldFogType = 0; - sceneFogType = 0; + var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0"; - } + if ( throwOnDegenerate === true ) { + throw new Error( msg ); - // update positions and sort + } else { - for ( var i = 0, l = sprites.length; i < l; i ++ ) { + console.warn( msg ); - var sprite = sprites[ i ]; + } - sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); - sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; + return this.identity(); } - sprites.sort( painterSortStable ); + var detInv = 1 / det; - // render all sprites + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; - var scale = []; + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; - for ( var i = 0, l = sprites.length; i < l; i ++ ) { + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; - var sprite = sprites[ i ]; - var material = sprite.material; + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; - if ( material.visible === false ) continue; + return this; - gl.uniform1f( uniforms.alphaTest, material.alphaTest ); - gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); + }, - sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); + scale: function ( v ) { - scale[ 0 ] = spriteScale.x; - scale[ 1 ] = spriteScale.y; + var te = this.elements; + var x = v.x, y = v.y, z = v.z; - var fogType = 0; + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; - if ( scene.fog && material.fog ) { + return this; - fogType = sceneFogType; + }, - } + getMaxScaleOnAxis: function () { - if ( oldFogType !== fogType ) { + var te = this.elements; - gl.uniform1i( uniforms.fogType, fogType ); - oldFogType = fogType; + var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; - } + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); - if ( material.map !== null ) { + }, - gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); - gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); + makeTranslation: function ( x, y, z ) { - } else { + this.set( - gl.uniform2f( uniforms.uvOffset, 0, 0 ); - gl.uniform2f( uniforms.uvScale, 1, 1 ); + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 - } + ); - gl.uniform1f( uniforms.opacity, material.opacity ); - gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); + return this; - gl.uniform1f( uniforms.rotation, material.rotation ); - gl.uniform2fv( uniforms.scale, scale ); + }, - state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); - state.setDepthTest( material.depthTest ); - state.setDepthWrite( material.depthWrite ); + makeRotationX: function ( theta ) { - if ( material.map ) { + var c = Math.cos( theta ), s = Math.sin( theta ); - renderer.setTexture2D( material.map, 0 ); + this.set( - } else { + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 - renderer.setTexture2D( texture, 0 ); + ); - } + return this; - gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); + }, - } + makeRotationY: function ( theta ) { - // restore gl + var c = Math.cos( theta ), s = Math.sin( theta ); - state.enable( gl.CULL_FACE ); + this.set( - renderer.resetGLState(); + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 - }; + ); - function createProgram() { + return this; - var program = gl.createProgram(); + }, - var vertexShader = gl.createShader( gl.VERTEX_SHADER ); - var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + makeRotationZ: function ( theta ) { - gl.shaderSource( vertexShader, [ + var c = Math.cos( theta ), s = Math.sin( theta ); - 'precision ' + renderer.getPrecision() + ' float;', + this.set( - 'uniform mat4 modelViewMatrix;', - 'uniform mat4 projectionMatrix;', - 'uniform float rotation;', - 'uniform vec2 scale;', - 'uniform vec2 uvOffset;', - 'uniform vec2 uvScale;', + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 - 'attribute vec2 position;', - 'attribute vec2 uv;', + ); - 'varying vec2 vUV;', + return this; - 'void main() {', + }, - 'vUV = uvOffset + uv * uvScale;', + makeRotationAxis: function ( axis, angle ) { - 'vec2 alignedPosition = position * scale;', + // Based on http://www.gamedev.net/reference/articles/article1199.asp - 'vec2 rotatedPosition;', - 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', - 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', + var c = Math.cos( angle ); + var s = Math.sin( angle ); + var t = 1 - c; + var x = axis.x, y = axis.y, z = axis.z; + var tx = t * x, ty = t * y; - 'vec4 finalPosition;', + this.set( - 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', - 'finalPosition.xy += rotatedPosition;', - 'finalPosition = projectionMatrix * finalPosition;', + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 - 'gl_Position = finalPosition;', + ); - '}' + return this; - ].join( '\n' ) ); + }, - gl.shaderSource( fragmentShader, [ + makeScale: function ( x, y, z ) { - 'precision ' + renderer.getPrecision() + ' float;', + this.set( - 'uniform vec3 color;', - 'uniform sampler2D map;', - 'uniform float opacity;', + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 - 'uniform int fogType;', - 'uniform vec3 fogColor;', - 'uniform float fogDensity;', - 'uniform float fogNear;', - 'uniform float fogFar;', - 'uniform float alphaTest;', + ); - 'varying vec2 vUV;', + return this; - 'void main() {', + }, - 'vec4 texture = texture2D( map, vUV );', + compose: function ( position, quaternion, scale ) { - 'if ( texture.a < alphaTest ) discard;', + this.makeRotationFromQuaternion( quaternion ); + this.scale( scale ); + this.setPosition( position ); - 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', + return this; - 'if ( fogType > 0 ) {', + }, - 'float depth = gl_FragCoord.z / gl_FragCoord.w;', - 'float fogFactor = 0.0;', + decompose: function () { - 'if ( fogType == 1 ) {', + var vector, matrix; - 'fogFactor = smoothstep( fogNear, fogFar, depth );', + return function decompose( position, quaternion, scale ) { - '} else {', + if ( vector === undefined ) { - 'const float LOG2 = 1.442695;', - 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', - 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', + vector = new Vector3(); + matrix = new Matrix4(); - '}', + } - 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', + var te = this.elements; - '}', + var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); - '}' + // if determine is negative, we need to invert one scale + var det = this.determinant(); + if ( det < 0 ) { - ].join( '\n' ) ); + sx = - sx; - gl.compileShader( vertexShader ); - gl.compileShader( fragmentShader ); + } - gl.attachShader( program, vertexShader ); - gl.attachShader( program, fragmentShader ); + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; - gl.linkProgram( program ); + // scale the rotation part - return program; + matrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy() - } + var invSX = 1 / sx; + var invSY = 1 / sy; + var invSZ = 1 / sz; - function painterSortStable( a, b ) { + matrix.elements[ 0 ] *= invSX; + matrix.elements[ 1 ] *= invSX; + matrix.elements[ 2 ] *= invSX; - if ( a.renderOrder !== b.renderOrder ) { + matrix.elements[ 4 ] *= invSY; + matrix.elements[ 5 ] *= invSY; + matrix.elements[ 6 ] *= invSY; - return a.renderOrder - b.renderOrder; + matrix.elements[ 8 ] *= invSZ; + matrix.elements[ 9 ] *= invSZ; + matrix.elements[ 10 ] *= invSZ; - } else if ( a.z !== b.z ) { + quaternion.setFromRotationMatrix( matrix ); - return b.z - a.z; + scale.x = sx; + scale.y = sy; + scale.z = sz; - } else { + return this; - return b.id - a.id; + }; - } + }(), - } + makeFrustum: function ( left, right, bottom, top, near, far ) { - } + var te = this.elements; + var x = 2 * near / ( right - left ); + var y = 2 * near / ( top - bottom ); - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + var a = ( right + left ) / ( right - left ); + var b = ( top + bottom ) / ( top - bottom ); + var c = - ( far + near ) / ( far - near ); + var d = - 2 * far * near / ( far - near ); - function Material() { + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; - Object.defineProperty( this, 'id', { value: MaterialIdCount() } ); + return this; - this.uuid = _Math.generateUUID(); + }, - this.name = ''; - this.type = 'Material'; + makePerspective: function ( fov, aspect, near, far ) { - this.fog = true; - this.lights = true; + var ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 ); + var ymin = - ymax; + var xmin = ymin * aspect; + var xmax = ymax * aspect; - this.blending = NormalBlending; - this.side = FrontSide; - this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading - this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors + return this.makeFrustum( xmin, xmax, ymin, ymax, near, far ); - this.opacity = 1; - this.transparent = false; + }, - this.blendSrc = SrcAlphaFactor; - this.blendDst = OneMinusSrcAlphaFactor; - this.blendEquation = AddEquation; - this.blendSrcAlpha = null; - this.blendDstAlpha = null; - this.blendEquationAlpha = null; + makeOrthographic: function ( left, right, top, bottom, near, far ) { - this.depthFunc = LessEqualDepth; - this.depthTest = true; - this.depthWrite = true; + var te = this.elements; + var w = 1.0 / ( right - left ); + var h = 1.0 / ( top - bottom ); + var p = 1.0 / ( far - near ); - this.clippingPlanes = null; - this.clipIntersection = false; - this.clipShadows = false; + var x = ( right + left ) * w; + var y = ( top + bottom ) * h; + var z = ( far + near ) * p; - this.colorWrite = true; + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; - this.precision = null; // override the renderer's default precision for this material + return this; - this.polygonOffset = false; - this.polygonOffsetFactor = 0; - this.polygonOffsetUnits = 0; + }, - this.alphaTest = 0; - this.premultipliedAlpha = false; + equals: function ( matrix ) { - this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer + var te = this.elements; + var me = matrix.elements; - this.visible = true; + for ( var i = 0; i < 16; i ++ ) { - this._needsUpdate = true; + if ( te[ i ] !== me[ i ] ) return false; - } + } - Material.prototype = { + return true; - constructor: Material, + }, - isMaterial: true, + fromArray: function ( array, offset ) { - get needsUpdate() { + if ( offset === undefined ) offset = 0; - return this._needsUpdate; + for( var i = 0; i < 16; i ++ ) { - }, + this.elements[ i ] = array[ i + offset ]; - set needsUpdate( value ) { + } - if ( value === true ) this.update(); - this._needsUpdate = value; + return this; }, - setValues: function ( values ) { + toArray: function ( array, offset ) { - if ( values === undefined ) return; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - for ( var key in values ) { + var te = this.elements; - var newValue = values[ key ]; + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; - if ( newValue === undefined ) { + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; - console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); - continue; + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; - } + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; - var currentValue = this[ key ]; + return array; - if ( currentValue === undefined ) { + } - console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); - continue; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( (currentValue && currentValue.isColor) ) { + function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { - currentValue.set( newValue ); + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; - } else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) { + Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - currentValue.copy( newValue ); + this.flipY = false; - } else if ( key === 'overdraw' ) { + } - // ensure overdraw is backwards-compatible with legacy boolean type - this[ key ] = Number( newValue ); + CubeTexture.prototype = Object.create( Texture.prototype ); + CubeTexture.prototype.constructor = CubeTexture; - } else { + CubeTexture.prototype.isCubeTexture = true; - this[ key ] = newValue; + Object.defineProperty( CubeTexture.prototype, 'images', { - } + get: function () { - } + return this.image; }, - toJSON: function ( meta ) { + set: function ( value ) { - var isRoot = meta === undefined; + this.image = value; - if ( isRoot ) { + } - meta = { - textures: {}, - images: {} - }; + } ); - } + /** + * @author tschw + * + * Uniforms of a program. + * Those form a tree structure with a special top-level container for the root, + * which you get by calling 'new WebGLUniforms( gl, program, renderer )'. + * + * + * Properties of inner nodes including the top-level container: + * + * .seq - array of nested uniforms + * .map - nested uniforms by name + * + * + * Methods of all nodes except the top-level container: + * + * .setValue( gl, value, [renderer] ) + * + * uploads a uniform value(s) + * the 'renderer' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (renderer factorizations): + * + * .upload( gl, seq, values, renderer ) + * + * sets uniforms in 'seq' to 'values[id].value' + * + * .seqWithValue( seq, values ) : filteredSeq + * + * filters 'seq' entries with corresponding entry in values + * + * + * Methods of the top-level container (renderer factorizations): + * + * .setValue( gl, name, value ) + * + * sets uniform with name 'name' to 'value' + * + * .set( gl, obj, prop ) + * + * sets uniform from object and property with same name than uniform + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ - var data = { - metadata: { - version: 4.4, - type: 'Material', - generator: 'Material.toJSON' - } - }; + var emptyTexture = new Texture(); + var emptyCubeTexture = new CubeTexture(); - // standard Material serialization - data.uuid = this.uuid; - data.type = this.type; + // --- Base for inner nodes (including the root) --- - if ( this.name !== '' ) data.name = this.name; + function UniformContainer() { - if ( (this.color && this.color.isColor) ) data.color = this.color.getHex(); + this.seq = []; + this.map = {}; - if ( this.roughness !== undefined ) data.roughness = this.roughness; - if ( this.metalness !== undefined ) data.metalness = this.metalness; + } - if ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex(); - if ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex(); - if ( this.shininess !== undefined ) data.shininess = this.shininess; + // --- Utilities --- - if ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid; - if ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; - if ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid; - if ( (this.bumpMap && this.bumpMap.isTexture) ) { + // Array Caches (provide typed arrays for temporary by size) - data.bumpMap = this.bumpMap.toJSON( meta ).uuid; - data.bumpScale = this.bumpScale; + var arrayCacheF32 = []; + var arrayCacheI32 = []; - } - if ( (this.normalMap && this.normalMap.isTexture) ) { + // Flattening for arrays of vectors and matrices - data.normalMap = this.normalMap.toJSON( meta ).uuid; - data.normalScale = this.normalScale.toArray(); + function flatten( array, nBlocks, blockSize ) { - } - if ( (this.displacementMap && this.displacementMap.isTexture) ) { + var firstElem = array[ 0 ]; - data.displacementMap = this.displacementMap.toJSON( meta ).uuid; - data.displacementScale = this.displacementScale; - data.displacementBias = this.displacementBias; + if ( firstElem <= 0 || firstElem > 0 ) return array; + // unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 - } - if ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; - if ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + var n = nBlocks * blockSize, + r = arrayCacheF32[ n ]; - if ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; - if ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + if ( r === undefined ) { - if ( (this.envMap && this.envMap.isTexture) ) { + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; - data.envMap = this.envMap.toJSON( meta ).uuid; - data.reflectivity = this.reflectivity; // Scale behind envMap + } - } + if ( nBlocks !== 0 ) { - if ( this.size !== undefined ) data.size = this.size; - if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + firstElem.toArray( r, 0 ); - if ( this.blending !== NormalBlending ) data.blending = this.blending; - if ( this.shading !== SmoothShading ) data.shading = this.shading; - if ( this.side !== FrontSide ) data.side = this.side; - if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; + for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) { - if ( this.opacity < 1 ) data.opacity = this.opacity; - if ( this.transparent === true ) data.transparent = this.transparent; + offset += blockSize; + array[ i ].toArray( r, offset ); - data.depthFunc = this.depthFunc; - data.depthTest = this.depthTest; - data.depthWrite = this.depthWrite; + } - if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; - if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; - if ( this.wireframe === true ) data.wireframe = this.wireframe; - if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; - if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; - if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + } - data.skinning = this.skinning; - data.morphTargets = this.morphTargets; + return r; - // TODO: Copied from Object3D.toJSON + } - function extractFromCache( cache ) { + // Texture unit allocation - var values = []; + function allocTexUnits( renderer, n ) { - for ( var key in cache ) { + var r = arrayCacheI32[ n ]; - var data = cache[ key ]; - delete data.metadata; - values.push( data ); + if ( r === undefined ) { - } + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; - return values; + } - } + for ( var i = 0; i !== n; ++ i ) + r[ i ] = renderer.allocTextureUnit(); - if ( isRoot ) { + return r; - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); + } - if ( textures.length > 0 ) data.textures = textures; - if ( images.length > 0 ) data.images = images; + // --- Setters --- - } + // Note: Defining these methods externally, because they come in a bunch + // and this way their names minify. - return data; + // Single scalar - }, + function setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); } + function setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); } - clone: function () { + // Single float vector (from flat array or THREE.VectorN) - return new this.constructor().copy( this ); + function setValue2fv( gl, v ) { - }, + if ( v.x === undefined ) gl.uniform2fv( this.addr, v ); + else gl.uniform2f( this.addr, v.x, v.y ); - copy: function ( source ) { + } - this.name = source.name; + function setValue3fv( gl, v ) { - this.fog = source.fog; - this.lights = source.lights; + if ( v.x !== undefined ) + gl.uniform3f( this.addr, v.x, v.y, v.z ); + else if ( v.r !== undefined ) + gl.uniform3f( this.addr, v.r, v.g, v.b ); + else + gl.uniform3fv( this.addr, v ); - this.blending = source.blending; - this.side = source.side; - this.shading = source.shading; - this.vertexColors = source.vertexColors; + } - this.opacity = source.opacity; - this.transparent = source.transparent; + function setValue4fv( gl, v ) { - this.blendSrc = source.blendSrc; - this.blendDst = source.blendDst; - this.blendEquation = source.blendEquation; - this.blendSrcAlpha = source.blendSrcAlpha; - this.blendDstAlpha = source.blendDstAlpha; - this.blendEquationAlpha = source.blendEquationAlpha; + if ( v.x === undefined ) gl.uniform4fv( this.addr, v ); + else gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); - this.depthFunc = source.depthFunc; - this.depthTest = source.depthTest; - this.depthWrite = source.depthWrite; + } - this.colorWrite = source.colorWrite; + // Single matrix (from flat array or MatrixN) - this.precision = source.precision; + function setValue2fm( gl, v ) { - this.polygonOffset = source.polygonOffset; - this.polygonOffsetFactor = source.polygonOffsetFactor; - this.polygonOffsetUnits = source.polygonOffsetUnits; + gl.uniformMatrix2fv( this.addr, false, v.elements || v ); - this.alphaTest = source.alphaTest; + } - this.premultipliedAlpha = source.premultipliedAlpha; + function setValue3fm( gl, v ) { - this.overdraw = source.overdraw; + gl.uniformMatrix3fv( this.addr, false, v.elements || v ); - this.visible = source.visible; - this.clipShadows = source.clipShadows; - this.clipIntersection = source.clipIntersection; + } - var srcPlanes = source.clippingPlanes, - dstPlanes = null; + function setValue4fm( gl, v ) { - if ( srcPlanes !== null ) { + gl.uniformMatrix4fv( this.addr, false, v.elements || v ); - var n = srcPlanes.length; - dstPlanes = new Array( n ); + } - for ( var i = 0; i !== n; ++ i ) - dstPlanes[ i ] = srcPlanes[ i ].clone(); + // Single texture (2D / Cube) - } + function setValueT1( gl, v, renderer ) { - this.clippingPlanes = dstPlanes; + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTexture2D( v || emptyTexture, unit ); - return this; + } - }, + function setValueT6( gl, v, renderer ) { - update: function () { + var unit = renderer.allocTextureUnit(); + gl.uniform1i( this.addr, unit ); + renderer.setTextureCube( v || emptyCubeTexture, unit ); - this.dispatchEvent( { type: 'update' } ); + } - }, + // Integer / Boolean vectors or arrays thereof (always flat arrays) - dispose: function () { + function setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); } + function setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); } + function setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); } - this.dispatchEvent( { type: 'dispose' } ); + // Helper to pick the right setter for the singular case - } + function getSingularSetter( type ) { - }; + switch ( type ) { - Object.assign( Material.prototype, EventDispatcher.prototype ); + case 0x1406: return setValue1f; // FLOAT + case 0x8b50: return setValue2fv; // _VEC2 + case 0x8b51: return setValue3fv; // _VEC3 + case 0x8b52: return setValue4fv; // _VEC4 - var count$1 = 0; - function MaterialIdCount() { return count$1++; } + case 0x8b5a: return setValue2fm; // _MAT2 + case 0x8b5b: return setValue3fm; // _MAT3 + case 0x8b5c: return setValue4fm; // _MAT4 - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * defines: { "label" : "value" }, - * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, - * - * fragmentShader: , - * vertexShader: , - * - * wireframe: , - * wireframeLinewidth: , - * - * lights: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ + case 0x8b5e: return setValueT1; // SAMPLER_2D + case 0x8b60: return setValueT6; // SAMPLER_CUBE - function ShaderMaterial( parameters ) { + case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 - Material.call( this ); + } - this.type = 'ShaderMaterial'; + } - this.defines = {}; - this.uniforms = {}; + // Array of scalars - this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; - this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; + function setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); } + function setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); } - this.linewidth = 1; + // Array of vectors (flat or from THREE classes) - this.wireframe = false; - this.wireframeLinewidth = 1; + function setValueV2a( gl, v ) { - this.fog = false; // set to use scene fog - this.lights = false; // set to use scene lights - this.clipping = false; // set to use user-defined clipping planes + gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) ); - this.skinning = false; // set to use skinning attribute streams - this.morphTargets = false; // set to use morph targets - this.morphNormals = false; // set to use morph normals + } - this.extensions = { - derivatives: false, // set to use derivatives - fragDepth: false, // set to use fragment depth values - drawBuffers: false, // set to use draw buffers - shaderTextureLOD: false // set to use shader texture LOD - }; + function setValueV3a( gl, v ) { - // When rendered geometry doesn't include these attributes but the material does, - // use these default values in WebGL. This avoids errors when buffer data is missing. - this.defaultAttributeValues = { - 'color': [ 1, 1, 1 ], - 'uv': [ 0, 0 ], - 'uv2': [ 0, 0 ] - }; + gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) ); - this.index0AttributeName = undefined; + } - if ( parameters !== undefined ) { + function setValueV4a( gl, v ) { - if ( parameters.attributes !== undefined ) { + gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) ); - console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); + } - } + // Array of matrices (flat or from THREE clases) - this.setValues( parameters ); + function setValueM2a( gl, v ) { - } + gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) ); } - ShaderMaterial.prototype = Object.create( Material.prototype ); - ShaderMaterial.prototype.constructor = ShaderMaterial; + function setValueM3a( gl, v ) { - ShaderMaterial.prototype.isShaderMaterial = true; + gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) ); - ShaderMaterial.prototype.copy = function ( source ) { + } - Material.prototype.copy.call( this, source ); + function setValueM4a( gl, v ) { - this.fragmentShader = source.fragmentShader; - this.vertexShader = source.vertexShader; + gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) ); - this.uniforms = UniformsUtils.clone( source.uniforms ); + } - this.defines = source.defines; + // Array of textures (2D / Cube) - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + function setValueT1a( gl, v, renderer ) { - this.lights = source.lights; - this.clipping = source.clipping; + var n = v.length, + units = allocTexUnits( renderer, n ); - this.skinning = source.skinning; + gl.uniform1iv( this.addr, units ); - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + for ( var i = 0; i !== n; ++ i ) { - this.extensions = source.extensions; + renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); - return this; + } - }; + } - ShaderMaterial.prototype.toJSON = function ( meta ) { + function setValueT6a( gl, v, renderer ) { - var data = Material.prototype.toJSON.call( this, meta ); + var n = v.length, + units = allocTexUnits( renderer, n ); - data.uniforms = this.uniforms; - data.vertexShader = this.vertexShader; - data.fragmentShader = this.fragmentShader; + gl.uniform1iv( this.addr, units ); - return data; + for ( var i = 0; i !== n; ++ i ) { - }; + renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author bhouston / https://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * - * opacity: , - * - * map: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * wireframe: , - * wireframeLinewidth: - * } - */ + } - function MeshDepthMaterial( parameters ) { + } - Material.call( this ); + // Helper to pick the right setter for a pure (bottom-level) array - this.type = 'MeshDepthMaterial'; + function getPureArraySetter( type ) { - this.depthPacking = BasicDepthPacking; + switch ( type ) { - this.skinning = false; - this.morphTargets = false; + case 0x1406: return setValue1fv; // FLOAT + case 0x8b50: return setValueV2a; // _VEC2 + case 0x8b51: return setValueV3a; // _VEC3 + case 0x8b52: return setValueV4a; // _VEC4 - this.map = null; + case 0x8b5a: return setValueM2a; // _MAT2 + case 0x8b5b: return setValueM3a; // _MAT3 + case 0x8b5c: return setValueM4a; // _MAT4 - this.alphaMap = null; + case 0x8b5e: return setValueT1a; // SAMPLER_2D + case 0x8b60: return setValueT6a; // SAMPLER_CUBE - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL + case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2 + case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3 + case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4 - this.wireframe = false; - this.wireframeLinewidth = 1; + } - this.fog = false; - this.lights = false; + } - this.setValues( parameters ); + // --- Uniform Classes --- - } + function SingleUniform( id, activeInfo, addr ) { - MeshDepthMaterial.prototype = Object.create( Material.prototype ); - MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; + this.id = id; + this.addr = addr; + this.setValue = getSingularSetter( activeInfo.type ); - MeshDepthMaterial.prototype.isMeshDepthMaterial = true; + // this.path = activeInfo.name; // DEBUG - MeshDepthMaterial.prototype.copy = function ( source ) { + } - Material.prototype.copy.call( this, source ); + function PureArrayUniform( id, activeInfo, addr ) { - this.depthPacking = source.depthPacking; + this.id = id; + this.addr = addr; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; + // this.path = activeInfo.name; // DEBUG - this.map = source.map; + } - this.alphaMap = source.alphaMap; + function StructuredUniform( id ) { - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + this.id = id; - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + UniformContainer.call( this ); // mix-in - return this; + } - }; + StructuredUniform.prototype.setValue = function( gl, value ) { - /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - */ + // Note: Don't need an extra 'renderer' parameter, since samplers + // are not allowed in structured uniforms. - function Box3( min, max ) { + var seq = this.seq; - this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); - this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - } + var u = seq[ i ]; + u.setValue( gl, value[ u.id ] ); - Box3.prototype = { + } - constructor: Box3, + }; - isBox3: true, + // --- Top-level --- - set: function ( min, max ) { + // Parser - builds up the property tree from the path strings - this.min.copy( min ); - this.max.copy( max ); + var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g; - return this; + // extracts + // - the identifier (member name or array index) + // - followed by an optional right bracket (found when array index) + // - followed by an optional left bracket or dot (type of subscript) + // + // Note: These portions can be read in a non-overlapping fashion and + // allow straightforward parsing of the hierarchy that WebGL encodes + // in the uniform names. - }, + function addUniform( container, uniformObject ) { - setFromArray: function ( array ) { + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; - var minX = + Infinity; - var minY = + Infinity; - var minZ = + Infinity; + } - var maxX = - Infinity; - var maxY = - Infinity; - var maxZ = - Infinity; + function parseUniform( activeInfo, addr, container ) { - for ( var i = 0, l = array.length; i < l; i += 3 ) { + var path = activeInfo.name, + pathLength = path.length; - var x = array[ i ]; - var y = array[ i + 1 ]; - var z = array[ i + 2 ]; + // reset RegExp object, because of the early exit of a previous run + RePathPart.lastIndex = 0; - if ( x < minX ) minX = x; - if ( y < minY ) minY = y; - if ( z < minZ ) minZ = z; + for (; ;) { - if ( x > maxX ) maxX = x; - if ( y > maxY ) maxY = y; - if ( z > maxZ ) maxZ = z; + var match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex, - } + id = match[ 1 ], + idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; - this.min.set( minX, minY, minZ ); - this.max.set( maxX, maxY, maxZ ); + if ( idIsIndex ) id = id | 0; // convert to integer - }, + if ( subscript === undefined || + subscript === '[' && matchEnd + 2 === pathLength ) { + // bare name or "pure" bottom-level array "[0]" suffix - setFromPoints: function ( points ) { + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); - this.makeEmpty(); + break; - for ( var i = 0, il = points.length; i < il; i ++ ) { + } else { + // step into inner node / create it in case it doesn't exist - this.expandByPoint( points[ i ] ); + var map = container.map, + next = map[ id ]; - } + if ( next === undefined ) { - return this; + next = new StructuredUniform( id ); + addUniform( container, next ); - }, + } - setFromCenterAndSize: function () { + container = next; - var v1 = new Vector3(); + } - return function setFromCenterAndSize( center, size ) { + } - var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + } - this.min.copy( center ).sub( halfSize ); - this.max.copy( center ).add( halfSize ); + // Root Container - return this; + function WebGLUniforms( gl, program, renderer ) { - }; + UniformContainer.call( this ); - }(), + this.renderer = renderer; - setFromObject: function () { + var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); - // Computes the world-axis-aligned bounding box of an object (including its children), - // accounting for both the object's, and children's, world transforms + for ( var i = 0; i !== n; ++ i ) { - var v1 = new Vector3(); + var info = gl.getActiveUniform( program, i ), + path = info.name, + addr = gl.getUniformLocation( program, path ); - return function setFromObject( object ) { + parseUniform( info, addr, this ); - var scope = this; + } - object.updateMatrixWorld( true ); + } - this.makeEmpty(); + WebGLUniforms.prototype.setValue = function( gl, name, value ) { - object.traverse( function ( node ) { + var u = this.map[ name ]; - var geometry = node.geometry; + if ( u !== undefined ) u.setValue( gl, value, this.renderer ); - if ( geometry !== undefined ) { + }; - if ( (geometry && geometry.isGeometry) ) { + WebGLUniforms.prototype.set = function( gl, object, name ) { - var vertices = geometry.vertices; + var u = this.map[ name ]; - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + if ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer ); - v1.copy( vertices[ i ] ); - v1.applyMatrix4( node.matrixWorld ); + }; - scope.expandByPoint( v1 ); + WebGLUniforms.prototype.setOptional = function( gl, object, name ) { - } + var v = object[ name ]; - } else if ( (geometry && geometry.isBufferGeometry) ) { + if ( v !== undefined ) this.setValue( gl, name, v ); - var attribute = geometry.attributes.position; + }; - if ( attribute !== undefined ) { - var array, offset, stride; + // Static interface - if ( (attribute && attribute.isInterleavedBufferAttribute) ) { + WebGLUniforms.upload = function( gl, seq, values, renderer ) { - array = attribute.data.array; - offset = attribute.offset; - stride = attribute.data.stride; + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - } else { + var u = seq[ i ], + v = values[ u.id ]; - array = attribute.array; - offset = 0; - stride = 3; + if ( v.needsUpdate !== false ) { + // note: always updating when .needsUpdate is undefined - } + u.setValue( gl, v.value, renderer ); - for ( var i = offset, il = array.length; i < il; i += stride ) { + } - v1.fromArray( array, i ); - v1.applyMatrix4( node.matrixWorld ); + } - scope.expandByPoint( v1 ); + }; - } + WebGLUniforms.seqWithValue = function( seq, values ) { - } + var r = []; - } + for ( var i = 0, n = seq.length; i !== n; ++ i ) { - } + var u = seq[ i ]; + if ( u.id in values ) r.push( u ); - } ); + } - return this; + return r; - }; + }; - }(), + /** + * Uniform Utilities + */ - clone: function () { + var UniformsUtils = { - return new this.constructor().copy( this ); + merge: function ( uniforms ) { - }, + var merged = {}; - copy: function ( box ) { + for ( var u = 0; u < uniforms.length; u ++ ) { - this.min.copy( box.min ); - this.max.copy( box.max ); + var tmp = this.clone( uniforms[ u ] ); - return this; + for ( var p in tmp ) { - }, + merged[ p ] = tmp[ p ]; - makeEmpty: function () { + } - this.min.x = this.min.y = this.min.z = + Infinity; - this.max.x = this.max.y = this.max.z = - Infinity; + } - return this; + return merged; }, - isEmpty: function () { + clone: function ( uniforms_src ) { - // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + var uniforms_dst = {}; - return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + for ( var u in uniforms_src ) { - }, + uniforms_dst[ u ] = {}; - getCenter: function ( optionalTarget ) { + for ( var p in uniforms_src[ u ] ) { - var result = optionalTarget || new Vector3(); - return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + var parameter_src = uniforms_src[ u ][ p ]; - }, + if ( parameter_src && ( parameter_src.isColor || + parameter_src.isMatrix3 || parameter_src.isMatrix4 || + parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 || + parameter_src.isTexture ) ) { - getSize: function ( optionalTarget ) { + uniforms_dst[ u ][ p ] = parameter_src.clone(); - var result = optionalTarget || new Vector3(); - return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min ); + } else if ( Array.isArray( parameter_src ) ) { - }, + uniforms_dst[ u ][ p ] = parameter_src.slice(); - expandByPoint: function ( point ) { + } else { - this.min.min( point ); - this.max.max( point ); + uniforms_dst[ u ][ p ] = parameter_src; - return this; + } - }, + } - expandByVector: function ( vector ) { + } - this.min.sub( vector ); - this.max.add( vector ); + return uniforms_dst; - return this; + } - }, + }; - expandByScalar: function ( scalar ) { + var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n"; - this.min.addScalar( - scalar ); - this.max.addScalar( scalar ); + var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n"; - return this; + var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n"; - }, + var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n"; - containsPoint: function ( point ) { + var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; - if ( point.x < this.min.x || point.x > this.max.x || - point.y < this.min.y || point.y > this.max.y || - point.z < this.min.z || point.z > this.max.z ) { + var begin_vertex = "\nvec3 transformed = vec3( position );\n"; - return false; + var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n"; - } + var bsdfs = "bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\n\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n"; - return true; + var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos );\n\t\tvec3 vSigmaY = dFdy( surf_pos );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n"; - }, + var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n"; - containsBox: function ( box ) { + var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n"; - if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && - ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) && - ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) { - - return true; - - } + var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n"; - return false; + var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n"; - }, + var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif"; - getParameter: function ( point, optionalTarget ) { + var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n"; - // This can potentially have a divide by zero if the box - // has a size dimension of 0. + var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif"; - var result = optionalTarget || new Vector3(); + var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif"; - return result.set( - ( point.x - this.min.x ) / ( this.max.x - this.min.x ), - ( point.y - this.min.y ) / ( this.max.y - this.min.y ), - ( point.z - this.min.z ) / ( this.max.z - this.min.z ) - ); + var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\n"; - }, + var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n"; - intersectsBox: function ( box ) { + var defaultnormal_vertex = "#ifdef FLIP_SIDED\n\tobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;\n"; - // using 6 splitting planes to rule out intersections. + var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n"; - if ( box.max.x < this.min.x || box.min.x > this.max.x || - box.max.y < this.min.y || box.min.y > this.max.y || - box.max.z < this.min.z || box.min.z > this.max.z ) { + var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n"; - return false; + var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n"; - } + var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n"; - return true; + var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n"; - }, + var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n float maxComponent = max( max( value.r, value.g ), value.b );\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n M = ceil( M * 255.0 ) / 255.0;\n return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n float maxRGB = max( value.x, max( value.g, value.b ) );\n float D = max( maxRange / maxRGB, 1.0 );\n D = min( floor( D ) / 255.0, 1.0 );\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n vec4 vResult;\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n vResult.w = fract(Le);\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n float Le = value.z * 255.0 + value.w;\n vec3 Xp_Y_XYZp;\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n return vec4( max(vRGB, 0.0), 1.0 );\n}\n"; - intersectsSphere: ( function () { + var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n"; - var closestPoint; + var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n"; - return function intersectsSphere( sphere ) { + var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n"; - if ( closestPoint === undefined ) closestPoint = new Vector3(); + var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n"; - // Find the point on the AABB closest to the sphere center. - this.clampPoint( sphere.center, closestPoint ); + var fog_fragment = "#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n"; - // If that point is inside the sphere, the AABB and sphere intersect. - return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; - }; + var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n"; - } )(), + var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; - intersectsPlane: function ( plane ) { + var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n"; - // We compute the minimum and maximum dot product values. If those values - // are on the same side (back or front) of the plane, then there is no intersection. + var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\n\t\t\tdirectLight.color = pointLight.color;\n\t\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#include \n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#include \n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n"; - var min, max; + var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n"; - if ( plane.normal.x > 0 ) { + var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n"; - min = plane.normal.x * this.min.x; - max = plane.normal.x * this.max.x; + var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n"; - } else { + var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n"; - min = plane.normal.x * this.max.x; - max = plane.normal.x * this.min.x; + var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t \tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\t\t\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n"; - } + var logdepthbuf_fragment = "#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n#endif"; - if ( plane.normal.y > 0 ) { + var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n"; - min += plane.normal.y * this.min.y; - max += plane.normal.y * this.max.y; + var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif"; - } else { + var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\t#endif\n#endif\n"; - min += plane.normal.y * this.max.y; - max += plane.normal.y * this.min.y; + var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n"; - } + var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n"; - if ( plane.normal.z > 0 ) { + var map_particle_fragment = "#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n"; - min += plane.normal.z * this.min.z; - max += plane.normal.z * this.max.z; + var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform vec4 offsetRepeat;\n\tuniform sampler2D map;\n#endif\n"; - } else { + var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.r;\n#endif\n"; - min += plane.normal.z * this.max.z; - max += plane.normal.z * this.min.z; + var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; - } + var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n"; - return ( min <= plane.constant && max >= plane.constant ); + var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif"; - }, + var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n"; - clampPoint: function ( point, optionalTarget ) { + var normal_flip = "#ifdef DOUBLE_SIDED\n\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipNormal = 1.0;\n#endif\n"; - var result = optionalTarget || new Vector3(); - return result.copy( point ).clamp( this.min, this.max ); + var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal ) * flipNormal;\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n"; - }, + var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n"; - distanceToPoint: function () { + var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 1.0 - 2.0 * rgb.xyz;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n"; - var v1 = new Vector3(); + var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n"; - return function distanceToPoint( point ) { + var project_vertex = "#ifdef USE_SKINNING\n\tvec4 mvPosition = modelViewMatrix * skinned;\n#else\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;\n"; - var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); - return clampedPoint.sub( point ).length(); + var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.r;\n#endif\n"; - }; + var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; - }(), + var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\treturn (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n"; - getBoundingSphere: function () { + var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n"; - var v1 = new Vector3(); + var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n"; - return function getBoundingSphere( optionalTarget ) { + var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n"; - var result = optionalTarget || new Sphere(); + var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; - this.getCenter( result.center ); + var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n"; - result.radius = this.getSize( v1 ).length() * 0.5; + var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\tskinned = bindMatrixInverse * skinned;\n#endif\n"; - return result; + var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n"; - }; + var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; - }(), + var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; - intersect: function ( box ) { + var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n"; - this.min.max( box.min ); - this.max.min( box.max ); + var tonemapping_pars_fragment = "#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n"; - // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. - if( this.isEmpty() ) this.makeEmpty(); + var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif"; - return this; + var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n#endif\n"; - }, + var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif"; - union: function ( box ) { + var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; - this.min.min( box.min ); - this.max.max( box.max ); + var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif"; - return this; + var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif"; - }, + var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\t#ifdef USE_SKINNING\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\t#else\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n"; - applyMatrix4: function () { + var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n"; - var points = [ - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3(), - new Vector3() - ]; + var cube_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; - return function applyMatrix4( matrix ) { + var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n"; - // transform of empty box is an empty box. - if( this.isEmpty() ) return this; + var depth_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - // NOTE: I am using a binary pattern to specify all 2^3 combinations below - points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 - points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 - points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 - points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 - points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 - points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 - points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 - points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + var distanceRGBA_frag = "uniform vec3 lightPos;\nvarying vec4 vWorldPosition;\n#include \n#include \n#include \nvoid main () {\n\t#include \n\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\n}\n"; - this.setFromPoints( points ); + var distanceRGBA_vert = "varying vec4 vWorldPosition;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition;\n}\n"; - return this; + var equirect_frag = "uniform sampler2D tEquirect;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n"; - }; + var equirect_vert = "varying vec3 vWorldPosition;\n#include \nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}\n"; - }(), + var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - translate: function ( offset ) { + var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n}\n"; - this.min.add( offset ); - this.max.add( offset ); + var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\t#include \n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - return this; + var meshbasic_vert = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - }, + var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - equals: function ( box ) { + var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - return box.min.equals( this.min ) && box.max.equals( this.max ); + var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - } + var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}\n"; - }; + var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nuniform float envMapIntensity;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - /** - * @author bhouston / http://clara.io - * @author mrdoob / http://mrdoob.com/ - */ + var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n}\n"; - function Sphere( center, radius ) { + var normal_frag = "uniform float opacity;\nvarying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\n\t#include \n}\n"; - this.center = ( center !== undefined ) ? center : new Vector3(); - this.radius = ( radius !== undefined ) ? radius : 0; + var normal_vert = "varying vec3 vNormal;\n#include \n#include \n#include \n#include \nvoid main() {\n\tvNormal = normalize( normalMatrix * normal );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - } + var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - Sphere.prototype = { + var points_vert = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - constructor: Sphere, + var shadow_frag = "uniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\n}\n"; - set: function ( center, radius ) { + var shadow_vert = "#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n}\n"; - this.center.copy( center ); - this.radius = radius; + var ShaderChunk = { + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + encodings_fragment: encodings_fragment, + encodings_pars_fragment: encodings_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_vertex: envmap_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + lightmap_fragment: lightmap_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_vertex: lights_lambert_vertex, + lights_pars: lights_pars, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_template: lights_template, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_flip: normal_flip, + normal_fragment: normal_fragment, + normalmap_pars_fragment: normalmap_pars_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + uv2_pars_fragment: uv2_pars_fragment, + uv2_pars_vertex: uv2_pars_vertex, + uv2_vertex: uv2_vertex, + worldpos_vertex: worldpos_vertex, - return this; + cube_frag: cube_frag, + cube_vert: cube_vert, + depth_frag: depth_frag, + depth_vert: depth_vert, + distanceRGBA_frag: distanceRGBA_frag, + distanceRGBA_vert: distanceRGBA_vert, + equirect_frag: equirect_frag, + equirect_vert: equirect_vert, + linedashed_frag: linedashed_frag, + linedashed_vert: linedashed_vert, + meshbasic_frag: meshbasic_frag, + meshbasic_vert: meshbasic_vert, + meshlambert_frag: meshlambert_frag, + meshlambert_vert: meshlambert_vert, + meshphong_frag: meshphong_frag, + meshphong_vert: meshphong_vert, + meshphysical_frag: meshphysical_frag, + meshphysical_vert: meshphysical_vert, + normal_frag: normal_frag, + normal_vert: normal_vert, + points_frag: points_frag, + points_vert: points_vert, + shadow_frag: shadow_frag, + shadow_vert: shadow_vert + }; - }, + /** + * @author mrdoob / http://mrdoob.com/ + */ - setFromPoints: function () { + function Color( r, g, b ) { - var box = new Box3(); + if ( g === undefined && b === undefined ) { - return function setFromPoints( points, optionalCenter ) { + // r is THREE.Color, hex or string + return this.set( r ); - var center = this.center; + } - if ( optionalCenter !== undefined ) { + return this.setRGB( r, g, b ); - center.copy( optionalCenter ); + } - } else { + Color.prototype = { - box.setFromPoints( points ).getCenter( center ); + constructor: Color, - } + isColor: true, - var maxRadiusSq = 0; + r: 1, g: 1, b: 1, - for ( var i = 0, il = points.length; i < il; i ++ ) { + set: function ( value ) { - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + if ( (value && value.isColor) ) { - } + this.copy( value ); - this.radius = Math.sqrt( maxRadiusSq ); + } else if ( typeof value === 'number' ) { - return this; + this.setHex( value ); - }; + } else if ( typeof value === 'string' ) { - }(), + this.setStyle( value ); - clone: function () { + } - return new this.constructor().copy( this ); + return this; }, - copy: function ( sphere ) { + setScalar: function ( scalar ) { - this.center.copy( sphere.center ); - this.radius = sphere.radius; + this.r = scalar; + this.g = scalar; + this.b = scalar; return this; }, - empty: function () { - - return ( this.radius <= 0 ); + setHex: function ( hex ) { - }, + hex = Math.floor( hex ); - containsPoint: function ( point ) { + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; - return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + return this; }, - distanceToPoint: function ( point ) { + setRGB: function ( r, g, b ) { - return ( point.distanceTo( this.center ) - this.radius ); + this.r = r; + this.g = g; + this.b = b; + + return this; }, - intersectsSphere: function ( sphere ) { + setHSL: function () { - var radiusSum = this.radius + sphere.radius; + function hue2rgb( p, q, t ) { - return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; - }, + } - intersectsBox: function ( box ) { + return function setHSL( h, s, l ) { - return box.intersectsSphere( this ); + // h,s,l ranges are in 0.0 - 1.0 + h = _Math.euclideanModulo( h, 1 ); + s = _Math.clamp( s, 0, 1 ); + l = _Math.clamp( l, 0, 1 ); - }, + if ( s === 0 ) { - intersectsPlane: function ( plane ) { + this.r = this.g = this.b = l; - // We use the following equation to compute the signed distance from - // the center of the sphere to the plane. - // - // distance = q * n - d - // - // If this distance is greater than the radius of the sphere, - // then there is no intersection. + } else { - return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; + var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + var q = ( 2 * l ) - p; - }, + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); - clampPoint: function ( point, optionalTarget ) { + } - var deltaLengthSq = this.center.distanceToSquared( point ); + return this; - var result = optionalTarget || new Vector3(); + }; - result.copy( point ); + }(), - if ( deltaLengthSq > ( this.radius * this.radius ) ) { + setStyle: function ( style ) { - result.sub( this.center ).normalize(); - result.multiplyScalar( this.radius ).add( this.center ); + function handleAlpha( string ) { - } + if ( string === undefined ) return; - return result; + if ( parseFloat( string ) < 1 ) { - }, + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); - getBoundingBox: function ( optionalTarget ) { + } - var box = optionalTarget || new Box3(); + } - box.set( this.center, this.center ); - box.expandByScalar( this.radius ); - return box; + var m; - }, + if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) { - applyMatrix4: function ( matrix ) { + // rgb / hsl - this.center.applyMatrix4( matrix ); - this.radius = this.radius * matrix.getMaxScaleOnAxis(); + var color; + var name = m[ 1 ]; + var components = m[ 2 ]; - return this; + switch ( name ) { - }, + case 'rgb': + case 'rgba': - translate: function ( offset ) { + if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - this.center.add( offset ); + // rgb(255,0,0) rgba(255,0,0,0.5) + this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; + this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; + this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; - return this; + handleAlpha( color[ 5 ] ); - }, + return this; - equals: function ( sphere ) { + } - return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); - - } + if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - }; + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; + this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; + this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; - /** - * @author alteredq / http://alteredqualia.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - * @author tschw - */ + handleAlpha( color[ 5 ] ); - function Matrix3() { + return this; - this.elements = new Float32Array( [ + } - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 + break; - ] ); + case 'hsl': + case 'hsla': - if ( arguments.length > 0 ) { + if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) { - console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + var h = parseFloat( color[ 1 ] ) / 360; + var s = parseInt( color[ 2 ], 10 ) / 100; + var l = parseInt( color[ 3 ], 10 ) / 100; - } + handleAlpha( color[ 5 ] ); - } + return this.setHSL( h, s, l ); - Matrix3.prototype = { + } - constructor: Matrix3, + break; - isMatrix3: true, + } - set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) { - var te = this.elements; + // hex color - te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; - te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; - te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + var hex = m[ 1 ]; + var size = hex.length; - return this; + if ( size === 3 ) { - }, + // #ff0 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; - identity: function () { + return this; - this.set( + } else if ( size === 6 ) { - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 + // #ff0000 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; - ); + return this; - return this; + } - }, + } - clone: function () { + if ( style && style.length > 0 ) { - return new this.constructor().fromArray( this.elements ); + // color keywords + var hex = ColorKeywords[ style ]; - }, + if ( hex !== undefined ) { - copy: function ( m ) { + // red + this.setHex( hex ); - var me = m.elements; + } else { - this.set( + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); - me[ 0 ], me[ 3 ], me[ 6 ], - me[ 1 ], me[ 4 ], me[ 7 ], - me[ 2 ], me[ 5 ], me[ 8 ] + } - ); + } return this; }, - setFromMatrix4: function( m ) { + clone: function () { - var me = m.elements; + return new this.constructor( this.r, this.g, this.b ); - this.set( + }, - me[ 0 ], me[ 4 ], me[ 8 ], - me[ 1 ], me[ 5 ], me[ 9 ], - me[ 2 ], me[ 6 ], me[ 10 ] + copy: function ( color ) { - ); + this.r = color.r; + this.g = color.g; + this.b = color.b; return this; }, - applyToVector3Array: function () { - - var v1; - - return function applyToVector3Array( array, offset, length ) { - - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = array.length; - - for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { - - v1.fromArray( array, j ); - v1.applyMatrix3( this ); - v1.toArray( array, j ); - - } - - return array; + copyGammaToLinear: function ( color, gammaFactor ) { - }; + if ( gammaFactor === undefined ) gammaFactor = 2.0; - }(), + this.r = Math.pow( color.r, gammaFactor ); + this.g = Math.pow( color.g, gammaFactor ); + this.b = Math.pow( color.b, gammaFactor ); - applyToBuffer: function () { + return this; - var v1; + }, - return function applyToBuffer( buffer, offset, length ) { + copyLinearToGamma: function ( color, gammaFactor ) { - if ( v1 === undefined ) v1 = new Vector3(); - if ( offset === undefined ) offset = 0; - if ( length === undefined ) length = buffer.length / buffer.itemSize; + if ( gammaFactor === undefined ) gammaFactor = 2.0; - for ( var i = 0, j = offset; i < length; i ++, j ++ ) { + var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0; - v1.x = buffer.getX( j ); - v1.y = buffer.getY( j ); - v1.z = buffer.getZ( j ); + this.r = Math.pow( color.r, safeInverse ); + this.g = Math.pow( color.g, safeInverse ); + this.b = Math.pow( color.b, safeInverse ); - v1.applyMatrix3( this ); + return this; - buffer.setXYZ( j, v1.x, v1.y, v1.z ); + }, - } + convertGammaToLinear: function () { - return buffer; + var r = this.r, g = this.g, b = this.b; - }; + this.r = r * r; + this.g = g * g; + this.b = b * b; - }(), + return this; - multiplyScalar: function ( s ) { + }, - var te = this.elements; + convertLinearToGamma: function () { - te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; - te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; - te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + this.r = Math.sqrt( this.r ); + this.g = Math.sqrt( this.g ); + this.b = Math.sqrt( this.b ); return this; }, - determinant: function () { + getHex: function () { - var te = this.elements; + return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0; - var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], - d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], - g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + }, - return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + getHexString: function () { - }, + return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 ); - getInverse: function ( matrix, throwOnDegenerate ) { + }, - if ( (matrix && matrix.isMatrix4) ) { + getHSL: function ( optionalTarget ) { - console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." ); + // h,s,l ranges are in 0.0 - 1.0 - } + var hsl = optionalTarget || { h: 0, s: 0, l: 0 }; - var me = matrix.elements, - te = this.elements, + var r = this.r, g = this.g, b = this.b; - n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], - n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], - n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], + var max = Math.max( r, g, b ); + var min = Math.min( r, g, b ); - t11 = n33 * n22 - n32 * n23, - t12 = n32 * n13 - n33 * n12, - t13 = n23 * n12 - n22 * n13, + var hue, saturation; + var lightness = ( min + max ) / 2.0; - det = n11 * t11 + n21 * t12 + n31 * t13; + if ( min === max ) { - if ( det === 0 ) { + hue = 0; + saturation = 0; - var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0"; + } else { - if ( throwOnDegenerate === true ) { + var delta = max - min; - throw new Error( msg ); + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); - } else { + switch ( max ) { - console.warn( msg ); + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; } - return this.identity(); + hue /= 6; + } - var detInv = 1 / det; + hsl.h = hue; + hsl.s = saturation; + hsl.l = lightness; - te[ 0 ] = t11 * detInv; - te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; - te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + return hsl; - te[ 3 ] = t12 * detInv; - te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; - te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + }, - te[ 6 ] = t13 * detInv; - te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; - te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + getStyle: function () { - return this; + return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')'; }, - transpose: function () { + offsetHSL: function ( h, s, l ) { - var tmp, m = this.elements; + var hsl = this.getHSL(); - tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; - tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; - tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + hsl.h += h; hsl.s += s; hsl.l += l; + + this.setHSL( hsl.h, hsl.s, hsl.l ); return this; }, - flattenToArrayOffset: function ( array, offset ) { + add: function ( color ) { - console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + - "- just use .toArray instead." ); + this.r += color.r; + this.g += color.g; + this.b += color.b; - return this.toArray( array, offset ); + return this; }, - getNormalMatrix: function ( matrix4 ) { + addColors: function ( color1, color2 ) { - return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; - }, + return this; - transposeIntoArray: function ( r ) { + }, - var m = this.elements; + addScalar: function ( s ) { - r[ 0 ] = m[ 0 ]; - r[ 1 ] = m[ 3 ]; - r[ 2 ] = m[ 6 ]; - r[ 3 ] = m[ 1 ]; - r[ 4 ] = m[ 4 ]; - r[ 5 ] = m[ 7 ]; - r[ 6 ] = m[ 2 ]; - r[ 7 ] = m[ 5 ]; - r[ 8 ] = m[ 8 ]; + this.r += s; + this.g += s; + this.b += s; return this; }, - fromArray: function ( array, offset ) { - - if ( offset === undefined ) offset = 0; - - for( var i = 0; i < 9; i ++ ) { - - this.elements[ i ] = array[ i + offset ]; + sub: function( color ) { - } + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); return this; }, - toArray: function ( array, offset ) { + multiply: function ( color ) { - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; - var te = this.elements; + return this; - array[ offset ] = te[ 0 ]; - array[ offset + 1 ] = te[ 1 ]; - array[ offset + 2 ] = te[ 2 ]; + }, - array[ offset + 3 ] = te[ 3 ]; - array[ offset + 4 ] = te[ 4 ]; - array[ offset + 5 ] = te[ 5 ]; + multiplyScalar: function ( s ) { - array[ offset + 6 ] = te[ 6 ]; - array[ offset + 7 ] = te[ 7 ]; - array[ offset + 8 ] = te[ 8 ]; + this.r *= s; + this.g *= s; + this.b *= s; - return array; + return this; - } + }, - }; + lerp: function ( color, alpha ) { - /** - * @author bhouston / http://clara.io - */ + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; - function Plane( normal, constant ) { + return this; - this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); - this.constant = ( constant !== undefined ) ? constant : 0; + }, - } + equals: function ( c ) { - Plane.prototype = { + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); - constructor: Plane, + }, - set: function ( normal, constant ) { + fromArray: function ( array, offset ) { - this.normal.copy( normal ); - this.constant = constant; + if ( offset === undefined ) offset = 0; + + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; return this; }, - setComponents: function ( x, y, z, w ) { + toArray: function ( array, offset ) { - this.normal.set( x, y, z ); - this.constant = w; + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - return this; + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; }, - setFromNormalAndCoplanarPoint: function ( normal, point ) { + toJSON: function () { - this.normal.copy( normal ); - this.constant = - point.dot( this.normal ); // must be this.normal, not normal, as this.normal is normalized + return this.getHex(); - return this; + } - }, + }; - setFromCoplanarPoints: function () { + var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; - var v1 = new Vector3(); - var v2 = new Vector3(); + /** + * Uniforms library for shared webgl shaders + */ - return function setFromCoplanarPoints( a, b, c ) { + var UniformsLib = { - var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize(); + common: { - // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, - this.setFromNormalAndCoplanarPoint( normal, a ); + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }, - return this; + specularMap: { value: null }, + alphaMap: { value: null }, - }; + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, + refractionRatio: { value: 0.98 } - }(), + }, - clone: function () { + aomap: { - return new this.constructor().copy( this ); + aoMap: { value: null }, + aoMapIntensity: { value: 1 } }, - copy: function ( plane ) { - - this.normal.copy( plane.normal ); - this.constant = plane.constant; + lightmap: { - return this; + lightMap: { value: null }, + lightMapIntensity: { value: 1 } }, - normalize: function () { - - // Note: will lead to a divide by zero if the plane is invalid. - - var inverseNormalLength = 1.0 / this.normal.length(); - this.normal.multiplyScalar( inverseNormalLength ); - this.constant *= inverseNormalLength; + emissivemap: { - return this; + emissiveMap: { value: null } }, - negate: function () { - - this.constant *= - 1; - this.normal.negate(); + bumpmap: { - return this; + bumpMap: { value: null }, + bumpScale: { value: 1 } }, - distanceToPoint: function ( point ) { + normalmap: { - return this.normal.dot( point ) + this.constant; + normalMap: { value: null }, + normalScale: { value: new Vector2( 1, 1 ) } }, - distanceToSphere: function ( sphere ) { + displacementmap: { - return this.distanceToPoint( sphere.center ) - sphere.radius; + displacementMap: { value: null }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } }, - projectPoint: function ( point, optionalTarget ) { + roughnessmap: { - return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); + roughnessMap: { value: null } }, - orthoPoint: function ( point, optionalTarget ) { - - var perpendicularMagnitude = this.distanceToPoint( point ); + metalnessmap: { - var result = optionalTarget || new Vector3(); - return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); + metalnessMap: { value: null } }, - intersectLine: function () { + fog: { - var v1 = new Vector3(); + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: new Color( 0xffffff ) } - return function intersectLine( line, optionalTarget ) { + }, - var result = optionalTarget || new Vector3(); + lights: { - var direction = line.delta( v1 ); + ambientLightColor: { value: [] }, - var denominator = this.normal.dot( direction ); + directionalLights: { value: [], properties: { + direction: {}, + color: {}, - if ( denominator === 0 ) { + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - // line is coplanar, return origin - if ( this.distanceToPoint( line.start ) === 0 ) { + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, - return result.copy( line.start ); + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {}, - } + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - // Unsure if this is the correct method to handle this case. - return undefined; + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, - } + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {}, - var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + shadow: {}, + shadowBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, - if ( t < 0 || t > 1 ) { + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, - return undefined; + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } } - } + }, - return result.copy( direction ).multiplyScalar( t ).add( line.start ); + points: { - }; + diffuse: { value: new Color( 0xeeeeee ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + offsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) } - }(), + } - intersectsLine: function ( line ) { + }; - // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + */ - var startSign = this.distanceToPoint( line.start ); - var endSign = this.distanceToPoint( line.end ); + var ShaderLib = { - return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + basic: { - }, + uniforms: UniformsUtils.merge( [ - intersectsBox: function ( box ) { + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.fog - return box.intersectsPlane( this ); + ] ), + + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag }, - intersectsSphere: function ( sphere ) { + lambert: { - return sphere.intersectsPlane( this ); + uniforms: UniformsUtils.merge( [ - }, + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.fog, + UniformsLib.lights, - coplanarPoint: function ( optionalTarget ) { + { + emissive : { value: new Color( 0x000000 ) } + } - var result = optionalTarget || new Vector3(); - return result.copy( this.normal ).multiplyScalar( - this.constant ); + ] ), + + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag }, - applyMatrix4: function () { + phong: { - var v1 = new Vector3(); - var m1 = new Matrix3(); + uniforms: UniformsUtils.merge( [ - return function applyMatrix4( matrix, optionalNormalMatrix ) { + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, - var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); + { + emissive : { value: new Color( 0x000000 ) }, + specular : { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } - // transform normal based on theory here: - // http://www.songho.ca/opengl/gl_normaltransform.html - var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); - var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + ] ), - // recalculate constant (like in setFromNormalAndCoplanarPoint) - this.constant = - referencePoint.dot( normal ); + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag - return this; + }, - }; + standard: { - }(), + uniforms: UniformsUtils.merge( [ - translate: function ( offset ) { + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, - this.constant = this.constant - offset.dot( this.normal ); + { + emissive : { value: new Color( 0x000000 ) }, + roughness: { value: 0.5 }, + metalness: { value: 0 }, + envMapIntensity : { value: 1 }, // temporary + } - return this; + ] ), - }, + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag - equals: function ( plane ) { + }, - return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + points: { - } + uniforms: UniformsUtils.merge( [ - }; + UniformsLib.points, + UniformsLib.fog - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author bhouston / http://clara.io - */ + ] ), - function Frustum( p0, p1, p2, p3, p4, p5 ) { + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag - this.planes = [ + }, - ( p0 !== undefined ) ? p0 : new Plane(), - ( p1 !== undefined ) ? p1 : new Plane(), - ( p2 !== undefined ) ? p2 : new Plane(), - ( p3 !== undefined ) ? p3 : new Plane(), - ( p4 !== undefined ) ? p4 : new Plane(), - ( p5 !== undefined ) ? p5 : new Plane() + dashed: { - ]; + uniforms: UniformsUtils.merge( [ - } + UniformsLib.common, + UniformsLib.fog, - Frustum.prototype = { + { + scale : { value: 1 }, + dashSize : { value: 1 }, + totalSize: { value: 2 } + } - constructor: Frustum, + ] ), - set: function ( p0, p1, p2, p3, p4, p5 ) { + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag - var planes = this.planes; + }, - planes[ 0 ].copy( p0 ); - planes[ 1 ].copy( p1 ); - planes[ 2 ].copy( p2 ); - planes[ 3 ].copy( p3 ); - planes[ 4 ].copy( p4 ); - planes[ 5 ].copy( p5 ); + depth: { - return this; + uniforms: UniformsUtils.merge( [ - }, + UniformsLib.common, + UniformsLib.displacementmap - clone: function () { + ] ), - return new this.constructor().copy( this ); + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag }, - copy: function ( frustum ) { - - var planes = this.planes; + normal: { - for ( var i = 0; i < 6; i ++ ) { + uniforms: { - planes[ i ].copy( frustum.planes[ i ] ); + opacity : { value: 1.0 } - } + }, - return this; + vertexShader: ShaderChunk.normal_vert, + fragmentShader: ShaderChunk.normal_frag }, - setFromMatrix: function ( m ) { + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ - var planes = this.planes; - var me = m.elements; - var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; - var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; - var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; - var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + cube: { - planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); - planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); - planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); - planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); - planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); - planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + uniforms: { + tCube: { value: null }, + tFlip: { value: - 1 }, + opacity: { value: 1.0 } + }, - return this; + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag }, - intersectsObject: function () { + /* ------------------------------------------------------------------------- + // Cube map shader + ------------------------------------------------------------------------- */ - var sphere = new Sphere(); + equirect: { - return function intersectsObject( object ) { + uniforms: { + tEquirect: { value: null }, + tFlip: { value: - 1 } + }, - var geometry = object.geometry; + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag - if ( geometry.boundingSphere === null ) - geometry.computeBoundingSphere(); + }, - sphere.copy( geometry.boundingSphere ) - .applyMatrix4( object.matrixWorld ); + distanceRGBA: { - return this.intersectsSphere( sphere ); + uniforms: { - }; + lightPos: { value: new Vector3() } - }(), + }, - intersectsSprite: function () { + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag - var sphere = new Sphere(); + } - return function intersectsSprite( sprite ) { + }; - sphere.center.set( 0, 0, 0 ); - sphere.radius = 0.7071067811865476; - sphere.applyMatrix4( sprite.matrixWorld ); + ShaderLib.physical = { - return this.intersectsSphere( sphere ); + uniforms: UniformsUtils.merge( [ - }; + ShaderLib.standard.uniforms, - }(), + { + clearCoat: { value: 0 }, + clearCoatRoughness: { value: 0 } + } - intersectsSphere: function ( sphere ) { + ] ), - var planes = this.planes; - var center = sphere.center; - var negRadius = - sphere.radius; + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag - for ( var i = 0; i < 6; i ++ ) { + }; - var distance = planes[ i ].distanceToPoint( center ); + /** + * @author bhouston / http://clara.io + */ - if ( distance < negRadius ) { + function Box2( min, max ) { - return false; + this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity ); - } + } - } + Box2.prototype = { - return true; + constructor: Box2, - }, + set: function ( min, max ) { - intersectsBox: function () { + this.min.copy( min ); + this.max.copy( max ); - var p1 = new Vector3(), - p2 = new Vector3(); + return this; - return function intersectsBox( box ) { + }, - var planes = this.planes; + setFromPoints: function ( points ) { - for ( var i = 0; i < 6 ; i ++ ) { + this.makeEmpty(); - var plane = planes[ i ]; + for ( var i = 0, il = points.length; i < il; i ++ ) { - p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; - p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; - p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; - p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; - p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; - p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; + this.expandByPoint( points[ i ] ); - var d1 = plane.distanceToPoint( p1 ); - var d2 = plane.distanceToPoint( p2 ); + } - // if both outside plane, no intersection + return this; - if ( d1 < 0 && d2 < 0 ) { + }, - return false; + setFromCenterAndSize: function () { - } + var v1 = new Vector2(); - } + return function setFromCenterAndSize( center, size ) { - return true; + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; }; }(), + clone: function () { - containsPoint: function ( point ) { + return new this.constructor().copy( this ); - var planes = this.planes; + }, - for ( var i = 0; i < 6; i ++ ) { + copy: function ( box ) { - if ( planes[ i ].distanceToPoint( point ) < 0 ) { + this.min.copy( box.min ); + this.max.copy( box.max ); - return false; + return this; - } + }, - } + makeEmpty: function () { - return true; + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; - } + return this; - }; + }, - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + isEmpty: function () { - function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - var _gl = _renderer.context, - _state = _renderer.state, - _frustum = new Frustum(), - _projScreenMatrix = new Matrix4(), + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); - _lightShadows = _lights.shadows, + }, - _shadowMapSize = new Vector2(), - _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), + getCenter: function ( optionalTarget ) { - _lookTarget = new Vector3(), - _lightPositionWorld = new Vector3(), + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); - _renderList = [], + }, - _MorphingFlag = 1, - _SkinningFlag = 2, + getSize: function ( optionalTarget ) { - _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, + var result = optionalTarget || new Vector2(); + return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min ); - _depthMaterials = new Array( _NumberOfMaterialVariants ), - _distanceMaterials = new Array( _NumberOfMaterialVariants ), + }, - _materialCache = {}; + expandByPoint: function ( point ) { - var cubeDirections = [ - new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), - new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) - ]; + this.min.min( point ); + this.max.max( point ); - var cubeUps = [ - new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), - new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) - ]; + return this; - var cube2DViewPorts = [ - new Vector4(), new Vector4(), new Vector4(), - new Vector4(), new Vector4(), new Vector4() - ]; + }, - // init + expandByVector: function ( vector ) { - var depthMaterialTemplate = new MeshDepthMaterial(); - depthMaterialTemplate.depthPacking = RGBADepthPacking; - depthMaterialTemplate.clipping = true; + this.min.sub( vector ); + this.max.add( vector ); - var distanceShader = ShaderLib[ "distanceRGBA" ]; - var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); + return this; - for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { + }, - var useMorphing = ( i & _MorphingFlag ) !== 0; - var useSkinning = ( i & _SkinningFlag ) !== 0; + expandByScalar: function ( scalar ) { - var depthMaterial = depthMaterialTemplate.clone(); - depthMaterial.morphTargets = useMorphing; - depthMaterial.skinning = useSkinning; + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); - _depthMaterials[ i ] = depthMaterial; + return this; - var distanceMaterial = new ShaderMaterial( { - defines: { - 'USE_SHADOWMAP': '' - }, - uniforms: distanceUniforms, - vertexShader: distanceShader.vertexShader, - fragmentShader: distanceShader.fragmentShader, - morphTargets: useMorphing, - skinning: useSkinning, - clipping: true - } ); + }, - _distanceMaterials[ i ] = distanceMaterial; + containsPoint: function ( point ) { - } + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ) { - // + return false; - var scope = this; + } - this.enabled = false; + return true; - this.autoUpdate = true; - this.needsUpdate = false; + }, - this.type = PCFShadowMap; + containsBox: function ( box ) { - this.renderReverseSided = true; - this.renderSingleSided = true; + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) { - this.render = function ( scene, camera ) { + return true; - if ( scope.enabled === false ) return; - if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + } - if ( _lightShadows.length === 0 ) return; + return false; - // Set GL state for depth map. - _state.clearColor( 1, 1, 1, 1 ); - _state.disable( _gl.BLEND ); - _state.setDepthTest( true ); - _state.setScissorTest( false ); + }, - // render depth map + getParameter: function ( point, optionalTarget ) { - var faceCount, isPointLight; - - for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { - - var light = _lightShadows[ i ]; - var shadow = light.shadow; + // This can potentially have a divide by zero if the box + // has a size dimension of 0. - if ( shadow === undefined ) { + var result = optionalTarget || new Vector2(); - console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); - continue; + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); - } + }, - var shadowCamera = shadow.camera; + intersectsBox: function ( box ) { - _shadowMapSize.copy( shadow.mapSize ); - _shadowMapSize.min( _maxShadowMapSize ); + // using 6 splitting planes to rule out intersections. - if ( (light && light.isPointLight) ) { + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ) { - faceCount = 6; - isPointLight = true; + return false; - var vpWidth = _shadowMapSize.x; - var vpHeight = _shadowMapSize.y; + } - // These viewports map a cube-map onto a 2D texture with the - // following orientation: - // - // xzXZ - // y Y - // - // X - Positive x direction - // x - Negative x direction - // Y - Positive y direction - // y - Negative y direction - // Z - Positive z direction - // z - Negative z direction + return true; - // positive X - cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); - // negative X - cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); - // positive Z - cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); - // negative Z - cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); - // positive Y - cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); - // negative Y - cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); + }, - _shadowMapSize.x *= 4.0; - _shadowMapSize.y *= 2.0; + clampPoint: function ( point, optionalTarget ) { - } else { + var result = optionalTarget || new Vector2(); + return result.copy( point ).clamp( this.min, this.max ); - faceCount = 1; - isPointLight = false; + }, - } + distanceToPoint: function () { - if ( shadow.map === null ) { + var v1 = new Vector2(); - var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; + return function distanceToPoint( point ) { - shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); - shadowCamera.updateProjectionMatrix(); + }; - } + }(), - if ( (shadow && shadow.isSpotLightShadow) ) { + intersect: function ( box ) { - shadow.update( light ); + this.min.max( box.min ); + this.max.min( box.max ); - } + return this; - var shadowMap = shadow.map; - var shadowMatrix = shadow.matrix; + }, - _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); - shadowCamera.position.copy( _lightPositionWorld ); + union: function ( box ) { - _renderer.setRenderTarget( shadowMap ); - _renderer.clear(); + this.min.min( box.min ); + this.max.max( box.max ); - // render shadow map for each cube face (if omni-directional) or - // run a single pass if not + return this; - for ( var face = 0; face < faceCount; face ++ ) { + }, - if ( isPointLight ) { + translate: function ( offset ) { - _lookTarget.copy( shadowCamera.position ); - _lookTarget.add( cubeDirections[ face ] ); - shadowCamera.up.copy( cubeUps[ face ] ); - shadowCamera.lookAt( _lookTarget ); + this.min.add( offset ); + this.max.add( offset ); - var vpDimensions = cube2DViewPorts[ face ]; - _state.viewport( vpDimensions ); + return this; - } else { + }, - _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); - shadowCamera.lookAt( _lookTarget ); + equals: function ( box ) { - } + return box.min.equals( this.min ) && box.max.equals( this.max ); - shadowCamera.updateMatrixWorld(); - shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); + } - // compute shadow matrix + }; - shadowMatrix.set( - 0.5, 0.0, 0.0, 0.5, - 0.0, 0.5, 0.0, 0.5, - 0.0, 0.0, 0.5, 0.5, - 0.0, 0.0, 0.0, 1.0 - ); + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - shadowMatrix.multiply( shadowCamera.projectionMatrix ); - shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); + function LensFlarePlugin( renderer, flares ) { - // update camera matrices and frustum + var gl = renderer.context; + var state = renderer.state; - _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); - _frustum.setFromMatrix( _projScreenMatrix ); + var vertexBuffer, elementBuffer; + var shader, program, attributes, uniforms; - // set object matrices & frustum culling + var tempTexture, occlusionTexture; - _renderList.length = 0; + function init() { - projectObject( scene, camera, shadowCamera ); + var vertices = new Float32Array( [ + - 1, - 1, 0, 0, + 1, - 1, 1, 0, + 1, 1, 1, 1, + - 1, 1, 0, 1 + ] ); - // render shadow map - // render regular objects + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); - for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { + // buffers - var object = _renderList[ j ]; - var geometry = _objects.update( object ); - var material = object.material; + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); - if ( (material && material.isMultiMaterial) ) { + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); - var groups = geometry.groups; - var materials = material.materials; + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); - for ( var k = 0, kl = groups.length; k < kl; k ++ ) { + // textures - var group = groups[ k ]; - var groupMaterial = materials[ group.materialIndex ]; + tempTexture = gl.createTexture(); + occlusionTexture = gl.createTexture(); - if ( groupMaterial.visible === true ) { + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - } + shader = { - } + vertexShader: [ - } else { + "uniform lowp int renderType;", - var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); - _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + "uniform vec3 screenPosition;", + "uniform vec2 scale;", + "uniform float rotation;", - } + "uniform sampler2D occlusionMap;", - } + "attribute vec2 position;", + "attribute vec2 uv;", - } + "varying vec2 vUV;", + "varying float vVisibility;", - } + "void main() {", - // Restore GL state. - var clearColor = _renderer.getClearColor(), - clearAlpha = _renderer.getClearAlpha(); - _renderer.setClearColor( clearColor, clearAlpha ); + "vUV = uv;", - scope.needsUpdate = false; + "vec2 pos = position;", - }; + "if ( renderType == 2 ) {", - function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { + "vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );", + "visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );", - var geometry = object.geometry; + "vVisibility = visibility.r / 9.0;", + "vVisibility *= 1.0 - visibility.g / 9.0;", + "vVisibility *= visibility.b / 9.0;", + "vVisibility *= 1.0 - visibility.a / 9.0;", - var result = null; + "pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;", + "pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;", - var materialVariants = _depthMaterials; - var customMaterial = object.customDepthMaterial; + "}", - if ( isPointLight ) { + "gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );", - materialVariants = _distanceMaterials; - customMaterial = object.customDistanceMaterial; + "}" - } + ].join( "\n" ), - if ( ! customMaterial ) { + fragmentShader: [ - var useMorphing = false; + "uniform lowp int renderType;", - if ( material.morphTargets ) { + "uniform sampler2D map;", + "uniform float opacity;", + "uniform vec3 color;", - if ( (geometry && geometry.isBufferGeometry) ) { + "varying vec2 vUV;", + "varying float vVisibility;", - useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; + "void main() {", - } else if ( (geometry && geometry.isGeometry) ) { + // pink square - useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; + "if ( renderType == 0 ) {", - } + "gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );", - } + // restore - var useSkinning = object.isSkinnedMesh && material.skinning; + "} else if ( renderType == 1 ) {", - var variantIndex = 0; + "gl_FragColor = texture2D( map, vUV );", - if ( useMorphing ) variantIndex |= _MorphingFlag; - if ( useSkinning ) variantIndex |= _SkinningFlag; + // flare - result = materialVariants[ variantIndex ]; + "} else {", - } else { + "vec4 texture = texture2D( map, vUV );", + "texture.a *= opacity * vVisibility;", + "gl_FragColor = texture;", + "gl_FragColor.rgb *= color;", - result = customMaterial; + "}", - } + "}" - if ( _renderer.localClippingEnabled && - material.clipShadows === true && - material.clippingPlanes.length !== 0 ) { + ].join( "\n" ) - // in this case we need a unique material instance reflecting the - // appropriate state + }; - var keyA = result.uuid, keyB = material.uuid; + program = createProgram( shader ); - var materialsForVariant = _materialCache[ keyA ]; + attributes = { + vertex: gl.getAttribLocation ( program, "position" ), + uv: gl.getAttribLocation ( program, "uv" ) + }; - if ( materialsForVariant === undefined ) { + uniforms = { + renderType: gl.getUniformLocation( program, "renderType" ), + map: gl.getUniformLocation( program, "map" ), + occlusionMap: gl.getUniformLocation( program, "occlusionMap" ), + opacity: gl.getUniformLocation( program, "opacity" ), + color: gl.getUniformLocation( program, "color" ), + scale: gl.getUniformLocation( program, "scale" ), + rotation: gl.getUniformLocation( program, "rotation" ), + screenPosition: gl.getUniformLocation( program, "screenPosition" ) + }; - materialsForVariant = {}; - _materialCache[ keyA ] = materialsForVariant; + } - } + /* + * Render lens flares + * Method: renders 16x16 0xff00ff-colored points scattered over the light source area, + * reads these back and calculates occlusion. + */ - var cachedMaterial = materialsForVariant[ keyB ]; + this.render = function ( scene, camera, viewport ) { - if ( cachedMaterial === undefined ) { + if ( flares.length === 0 ) return; - cachedMaterial = result.clone(); - materialsForVariant[ keyB ] = cachedMaterial; + var tempPosition = new Vector3(); - } + var invAspect = viewport.w / viewport.z, + halfViewportWidth = viewport.z * 0.5, + halfViewportHeight = viewport.w * 0.5; - result = cachedMaterial; + var size = 16 / viewport.w, + scale = new Vector2( size * invAspect, size ); - } + var screenPosition = new Vector3( 1, 1, 0 ), + screenPositionPixels = new Vector2( 1, 1 ); - result.visible = material.visible; - result.wireframe = material.wireframe; + var validArea = new Box2(); - var side = material.side; + validArea.min.set( viewport.x, viewport.y ); + validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) ); - if ( scope.renderSingleSided && side == DoubleSide ) { + if ( program === undefined ) { - side = FrontSide; + init(); } - if ( scope.renderReverseSided ) { + gl.useProgram( program ); - if ( side === FrontSide ) side = BackSide; - else if ( side === BackSide ) side = FrontSide; + state.initAttributes(); + state.enableAttribute( attributes.vertex ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); - } + // loop through all lens flares to update their occlusion and positions + // setup gl and common used attribs/uniforms - result.side = side; + gl.uniform1i( uniforms.occlusionMap, 0 ); + gl.uniform1i( uniforms.map, 1 ); - result.clipShadows = material.clipShadows; - result.clippingPlanes = material.clippingPlanes; + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); - result.wireframeLinewidth = material.wireframeLinewidth; - result.linewidth = material.linewidth; + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - if ( isPointLight && result.uniforms.lightPos !== undefined ) { + state.disable( gl.CULL_FACE ); + state.setDepthWrite( false ); - result.uniforms.lightPos.value.copy( lightPositionWorld ); + for ( var i = 0, l = flares.length; i < l; i ++ ) { - } + size = 16 / viewport.w; + scale.set( size * invAspect, size ); - return result; + // calc object screen position - } + var flare = flares[ i ]; - function projectObject( object, camera, shadowCamera ) { + tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] ); - if ( object.visible === false ) return; + tempPosition.applyMatrix4( camera.matrixWorldInverse ); + tempPosition.applyProjection( camera.projectionMatrix ); - var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + // setup arrays for gl programs - if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + screenPosition.copy( tempPosition ); - if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { + // horizontal and vertical coordinate of the lower left corner of the pixels to copy - var material = object.material; + screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8; + screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8; - if ( material.visible === true ) { + // screen cull - object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); - _renderList.push( object ); + if ( validArea.containsPoint( screenPositionPixels ) === true ) { - } + // save current RGB to temp texture - } + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, null ); + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); - } - var children = object.children; + // render pink quad - for ( var i = 0, l = children.length; i < l; i ++ ) { + gl.uniform1i( uniforms.renderType, 0 ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); - projectObject( children[ i ], camera, shadowCamera ); + state.disable( gl.BLEND ); + state.enable( gl.DEPTH_TEST ); - } + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - } - } + // copy result to occlusionMap - /** - * @author bhouston / http://clara.io - */ + state.activeTexture( gl.TEXTURE0 ); + state.bindTexture( gl.TEXTURE_2D, occlusionTexture ); + gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 ); - function Ray( origin, direction ) { - this.origin = ( origin !== undefined ) ? origin : new Vector3(); - this.direction = ( direction !== undefined ) ? direction : new Vector3(); + // restore graphics - } + gl.uniform1i( uniforms.renderType, 1 ); + state.disable( gl.DEPTH_TEST ); - Ray.prototype = { + state.activeTexture( gl.TEXTURE1 ); + state.bindTexture( gl.TEXTURE_2D, tempTexture ); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - constructor: Ray, - set: function ( origin, direction ) { + // update object positions - this.origin.copy( origin ); - this.direction.copy( direction ); + flare.positionScreen.copy( screenPosition ); - return this; + if ( flare.customUpdateCallback ) { - }, + flare.customUpdateCallback( flare ); - clone: function () { + } else { - return new this.constructor().copy( this ); + flare.updateLensFlares(); - }, + } - copy: function ( ray ) { + // render flares - this.origin.copy( ray.origin ); - this.direction.copy( ray.direction ); + gl.uniform1i( uniforms.renderType, 2 ); + state.enable( gl.BLEND ); - return this; + for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) { - }, + var sprite = flare.lensFlares[ j ]; - at: function ( t, optionalTarget ) { + if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) { - var result = optionalTarget || new Vector3(); + screenPosition.x = sprite.x; + screenPosition.y = sprite.y; + screenPosition.z = sprite.z; - return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + size = sprite.size * sprite.scale / viewport.w; - }, + scale.x = size * invAspect; + scale.y = size; - lookAt: function ( v ) { + gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z ); + gl.uniform2f( uniforms.scale, scale.x, scale.y ); + gl.uniform1f( uniforms.rotation, sprite.rotation ); - this.direction.copy( v ).sub( this.origin ).normalize(); + gl.uniform1f( uniforms.opacity, sprite.opacity ); + gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b ); - return this; + state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst ); + renderer.setTexture2D( sprite.texture, 1 ); - }, + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - recast: function () { + } - var v1 = new Vector3(); + } - return function recast( t ) { + } - this.origin.copy( this.at( t, v1 ) ); + } - return this; + // restore gl - }; + state.enable( gl.CULL_FACE ); + state.enable( gl.DEPTH_TEST ); + state.setDepthWrite( true ); - }(), + renderer.resetGLState(); - closestPointToPoint: function ( point, optionalTarget ) { + }; - var result = optionalTarget || new Vector3(); - result.subVectors( point, this.origin ); - var directionDistance = result.dot( this.direction ); + function createProgram( shader ) { - if ( directionDistance < 0 ) { + var program = gl.createProgram(); - return result.copy( this.origin ); + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); - } + var prefix = "precision " + renderer.getPrecision() + " float;\n"; - return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + gl.shaderSource( fragmentShader, prefix + shader.fragmentShader ); + gl.shaderSource( vertexShader, prefix + shader.vertexShader ); - }, + gl.compileShader( fragmentShader ); + gl.compileShader( vertexShader ); - distanceToPoint: function ( point ) { + gl.attachShader( program, fragmentShader ); + gl.attachShader( program, vertexShader ); - return Math.sqrt( this.distanceSqToPoint( point ) ); + gl.linkProgram( program ); - }, + return program; - distanceSqToPoint: function () { + } - var v1 = new Vector3(); + } - return function distanceSqToPoint( point ) { + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); + function SpritePlugin( renderer, sprites ) { - // point behind the ray + var gl = renderer.context; + var state = renderer.state; - if ( directionDistance < 0 ) { + var vertexBuffer, elementBuffer; + var program, attributes, uniforms; - return this.origin.distanceToSquared( point ); + var texture; - } + // decompose matrixWorld - v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + var spritePosition = new Vector3(); + var spriteRotation = new Quaternion(); + var spriteScale = new Vector3(); - return v1.distanceToSquared( point ); + function init() { - }; + var vertices = new Float32Array( [ + - 0.5, - 0.5, 0, 0, + 0.5, - 0.5, 1, 0, + 0.5, 0.5, 1, 1, + - 0.5, 0.5, 0, 1 + ] ); - }(), + var faces = new Uint16Array( [ + 0, 1, 2, + 0, 2, 3 + ] ); - distanceSqToSegment: function () { + vertexBuffer = gl.createBuffer(); + elementBuffer = gl.createBuffer(); - var segCenter = new Vector3(); - var segDir = new Vector3(); - var diff = new Vector3(); + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW ); - return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); + gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW ); - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h - // It returns the min distance between the ray and the segment - // defined by v0 and v1 - // It can also set two optional targets : - // - The closest point on the ray - // - The closest point on the segment + program = createProgram(); - segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); - segDir.copy( v1 ).sub( v0 ).normalize(); - diff.copy( this.origin ).sub( segCenter ); + attributes = { + position: gl.getAttribLocation ( program, 'position' ), + uv: gl.getAttribLocation ( program, 'uv' ) + }; - var segExtent = v0.distanceTo( v1 ) * 0.5; - var a01 = - this.direction.dot( segDir ); - var b0 = diff.dot( this.direction ); - var b1 = - diff.dot( segDir ); - var c = diff.lengthSq(); - var det = Math.abs( 1 - a01 * a01 ); - var s0, s1, sqrDist, extDet; + uniforms = { + uvOffset: gl.getUniformLocation( program, 'uvOffset' ), + uvScale: gl.getUniformLocation( program, 'uvScale' ), - if ( det > 0 ) { + rotation: gl.getUniformLocation( program, 'rotation' ), + scale: gl.getUniformLocation( program, 'scale' ), - // The ray and segment are not parallel. + color: gl.getUniformLocation( program, 'color' ), + map: gl.getUniformLocation( program, 'map' ), + opacity: gl.getUniformLocation( program, 'opacity' ), - s0 = a01 * b1 - b0; - s1 = a01 * b0 - b1; - extDet = segExtent * det; + modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ), + projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ), - if ( s0 >= 0 ) { + fogType: gl.getUniformLocation( program, 'fogType' ), + fogDensity: gl.getUniformLocation( program, 'fogDensity' ), + fogNear: gl.getUniformLocation( program, 'fogNear' ), + fogFar: gl.getUniformLocation( program, 'fogFar' ), + fogColor: gl.getUniformLocation( program, 'fogColor' ), - if ( s1 >= - extDet ) { + alphaTest: gl.getUniformLocation( program, 'alphaTest' ) + }; - if ( s1 <= extDet ) { + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = 8; + canvas.height = 8; - // region 0 - // Minimum at interior points of ray and segment. + var context = canvas.getContext( '2d' ); + context.fillStyle = 'white'; + context.fillRect( 0, 0, 8, 8 ); - var invDet = 1 / det; - s0 *= invDet; - s1 *= invDet; - sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + texture = new Texture( canvas ); + texture.needsUpdate = true; - } else { + } - // region 1 + this.render = function ( scene, camera ) { - s1 = segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + if ( sprites.length === 0 ) return; - } + // setup gl - } else { + if ( program === undefined ) { - // region 5 + init(); - s1 = - segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } - } + gl.useProgram( program ); - } else { + state.initAttributes(); + state.enableAttribute( attributes.position ); + state.enableAttribute( attributes.uv ); + state.disableUnusedAttributes(); - if ( s1 <= - extDet ) { + state.disable( gl.CULL_FACE ); + state.enable( gl.BLEND ); - // region 4 + gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer ); + gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 ); + gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 ); - s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer ); - } else if ( s1 <= extDet ) { + gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements ); - // region 3 + state.activeTexture( gl.TEXTURE0 ); + gl.uniform1i( uniforms.map, 0 ); - s0 = 0; - s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = s1 * ( s1 + 2 * b1 ) + c; + var oldFogType = 0; + var sceneFogType = 0; + var fog = scene.fog; - } else { + if ( fog ) { - // region 2 + gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b ); - s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); - s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + if ( (fog && fog.isFog) ) { - } + gl.uniform1f( uniforms.fogNear, fog.near ); + gl.uniform1f( uniforms.fogFar, fog.far ); - } + gl.uniform1i( uniforms.fogType, 1 ); + oldFogType = 1; + sceneFogType = 1; - } else { + } else if ( (fog && fog.isFogExp2) ) { - // Ray and segment are parallel. + gl.uniform1f( uniforms.fogDensity, fog.density ); - s1 = ( a01 > 0 ) ? - segExtent : segExtent; - s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); - sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + gl.uniform1i( uniforms.fogType, 2 ); + oldFogType = 2; + sceneFogType = 2; } - if ( optionalPointOnRay ) { - - optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); + } else { - } + gl.uniform1i( uniforms.fogType, 0 ); + oldFogType = 0; + sceneFogType = 0; - if ( optionalPointOnSegment ) { + } - optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter ); - } + // update positions and sort - return sqrDist; + for ( var i = 0, l = sprites.length; i < l; i ++ ) { - }; + var sprite = sprites[ i ]; - }(), + sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld ); + sprite.z = - sprite.modelViewMatrix.elements[ 14 ]; - intersectSphere: function () { + } - var v1 = new Vector3(); + sprites.sort( painterSortStable ); - return function intersectSphere( sphere, optionalTarget ) { + // render all sprites - v1.subVectors( sphere.center, this.origin ); - var tca = v1.dot( this.direction ); - var d2 = v1.dot( v1 ) - tca * tca; - var radius2 = sphere.radius * sphere.radius; + var scale = []; - if ( d2 > radius2 ) return null; + for ( var i = 0, l = sprites.length; i < l; i ++ ) { - var thc = Math.sqrt( radius2 - d2 ); + var sprite = sprites[ i ]; + var material = sprite.material; - // t0 = first intersect point - entrance on front of sphere - var t0 = tca - thc; + if ( material.visible === false ) continue; - // t1 = second intersect point - exit point on back of sphere - var t1 = tca + thc; + gl.uniform1f( uniforms.alphaTest, material.alphaTest ); + gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements ); - // test to see if both t0 and t1 are behind the ray - if so, return null - if ( t0 < 0 && t1 < 0 ) return null; + sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale ); - // test to see if t0 is behind the ray: - // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, - // in order to always return an intersect point that is in front of the ray. - if ( t0 < 0 ) return this.at( t1, optionalTarget ); + scale[ 0 ] = spriteScale.x; + scale[ 1 ] = spriteScale.y; - // else t0 is in front of the ray, so return the first collision point scaled by t0 - return this.at( t0, optionalTarget ); + var fogType = 0; - }; + if ( scene.fog && material.fog ) { - }(), + fogType = sceneFogType; - intersectsSphere: function ( sphere ) { + } - return this.distanceToPoint( sphere.center ) <= sphere.radius; + if ( oldFogType !== fogType ) { - }, + gl.uniform1i( uniforms.fogType, fogType ); + oldFogType = fogType; - distanceToPlane: function ( plane ) { + } - var denominator = plane.normal.dot( this.direction ); + if ( material.map !== null ) { - if ( denominator === 0 ) { + gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y ); + gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y ); - // line is coplanar, return origin - if ( plane.distanceToPoint( this.origin ) === 0 ) { + } else { - return 0; + gl.uniform2f( uniforms.uvOffset, 0, 0 ); + gl.uniform2f( uniforms.uvScale, 1, 1 ); } - // Null is preferable to undefined since undefined means.... it is undefined + gl.uniform1f( uniforms.opacity, material.opacity ); + gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b ); - return null; + gl.uniform1f( uniforms.rotation, material.rotation ); + gl.uniform2fv( uniforms.scale, scale ); - } + state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); - var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + if ( material.map ) { - // Return if the ray never intersects the plane + renderer.setTexture2D( material.map, 0 ); - return t >= 0 ? t : null; + } else { - }, + renderer.setTexture2D( texture, 0 ); - intersectPlane: function ( plane, optionalTarget ) { + } - var t = this.distanceToPlane( plane ); + gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 ); - if ( t === null ) { + } - return null; + // restore gl - } + state.enable( gl.CULL_FACE ); - return this.at( t, optionalTarget ); + renderer.resetGLState(); - }, + }; + function createProgram() { + var program = gl.createProgram(); - intersectsPlane: function ( plane ) { + var vertexShader = gl.createShader( gl.VERTEX_SHADER ); + var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER ); - // check if the ray lies on the plane first + gl.shaderSource( vertexShader, [ - var distToPoint = plane.distanceToPoint( this.origin ); + 'precision ' + renderer.getPrecision() + ' float;', - if ( distToPoint === 0 ) { + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform float rotation;', + 'uniform vec2 scale;', + 'uniform vec2 uvOffset;', + 'uniform vec2 uvScale;', - return true; + 'attribute vec2 position;', + 'attribute vec2 uv;', - } + 'varying vec2 vUV;', - var denominator = plane.normal.dot( this.direction ); + 'void main() {', - if ( denominator * distToPoint < 0 ) { + 'vUV = uvOffset + uv * uvScale;', - return true; + 'vec2 alignedPosition = position * scale;', - } + 'vec2 rotatedPosition;', + 'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;', + 'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;', - // ray origin is behind the plane (and is pointing behind it) + 'vec4 finalPosition;', - return false; + 'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );', + 'finalPosition.xy += rotatedPosition;', + 'finalPosition = projectionMatrix * finalPosition;', - }, + 'gl_Position = finalPosition;', - intersectBox: function ( box, optionalTarget ) { + '}' - var tmin, tmax, tymin, tymax, tzmin, tzmax; + ].join( '\n' ) ); - var invdirx = 1 / this.direction.x, - invdiry = 1 / this.direction.y, - invdirz = 1 / this.direction.z; + gl.shaderSource( fragmentShader, [ - var origin = this.origin; + 'precision ' + renderer.getPrecision() + ' float;', - if ( invdirx >= 0 ) { + 'uniform vec3 color;', + 'uniform sampler2D map;', + 'uniform float opacity;', - tmin = ( box.min.x - origin.x ) * invdirx; - tmax = ( box.max.x - origin.x ) * invdirx; + 'uniform int fogType;', + 'uniform vec3 fogColor;', + 'uniform float fogDensity;', + 'uniform float fogNear;', + 'uniform float fogFar;', + 'uniform float alphaTest;', - } else { + 'varying vec2 vUV;', - tmin = ( box.max.x - origin.x ) * invdirx; - tmax = ( box.min.x - origin.x ) * invdirx; + 'void main() {', - } + 'vec4 texture = texture2D( map, vUV );', - if ( invdiry >= 0 ) { + 'if ( texture.a < alphaTest ) discard;', - tymin = ( box.min.y - origin.y ) * invdiry; - tymax = ( box.max.y - origin.y ) * invdiry; + 'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );', - } else { + 'if ( fogType > 0 ) {', - tymin = ( box.max.y - origin.y ) * invdiry; - tymax = ( box.min.y - origin.y ) * invdiry; + 'float depth = gl_FragCoord.z / gl_FragCoord.w;', + 'float fogFactor = 0.0;', - } + 'if ( fogType == 1 ) {', - if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + 'fogFactor = smoothstep( fogNear, fogFar, depth );', - // These lines also handle the case where tmin or tmax is NaN - // (result of 0 * Infinity). x !== x returns true if x is NaN + '} else {', - if ( tymin > tmin || tmin !== tmin ) tmin = tymin; + 'const float LOG2 = 1.442695;', + 'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );', + 'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );', - if ( tymax < tmax || tmax !== tmax ) tmax = tymax; + '}', - if ( invdirz >= 0 ) { + 'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );', - tzmin = ( box.min.z - origin.z ) * invdirz; - tzmax = ( box.max.z - origin.z ) * invdirz; + '}', - } else { + '}' - tzmin = ( box.max.z - origin.z ) * invdirz; - tzmax = ( box.min.z - origin.z ) * invdirz; + ].join( '\n' ) ); - } + gl.compileShader( vertexShader ); + gl.compileShader( fragmentShader ); - if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + gl.attachShader( program, vertexShader ); + gl.attachShader( program, fragmentShader ); - if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + gl.linkProgram( program ); - if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + return program; - //return point closest to the ray (positive side) + } - if ( tmax < 0 ) return null; + function painterSortStable( a, b ) { - return this.at( tmin >= 0 ? tmin : tmax, optionalTarget ); + if ( a.renderOrder !== b.renderOrder ) { - }, + return a.renderOrder - b.renderOrder; - intersectsBox: ( function () { + } else if ( a.z !== b.z ) { - var v = new Vector3(); + return b.z - a.z; - return function intersectsBox( box ) { + } else { - return this.intersectBox( box, v ) !== null; + return b.id - a.id; - }; + } - } )(), + } - intersectTriangle: function () { + } - // Compute the offset origin, edges, and normal. - var diff = new Vector3(); - var edge1 = new Vector3(); - var edge2 = new Vector3(); - var normal = new Vector3(); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { + function Material() { - // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + Object.defineProperty( this, 'id', { value: MaterialIdCount() } ); - edge1.subVectors( b, a ); - edge2.subVectors( c, a ); - normal.crossVectors( edge1, edge2 ); + this.uuid = _Math.generateUUID(); - // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, - // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by - // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) - // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) - // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) - var DdN = this.direction.dot( normal ); - var sign; + this.name = ''; + this.type = 'Material'; - if ( DdN > 0 ) { + this.fog = true; + this.lights = true; - if ( backfaceCulling ) return null; - sign = 1; + this.blending = NormalBlending; + this.side = FrontSide; + this.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading + this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors - } else if ( DdN < 0 ) { + this.opacity = 1; + this.transparent = false; - sign = - 1; - DdN = - DdN; + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; - } else { + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; - return null; + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; - } + this.colorWrite = true; - diff.subVectors( this.origin, a ); - var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) ); + this.precision = null; // override the renderer's default precision for this material - // b1 < 0, no intersection - if ( DdQxE2 < 0 ) { + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; - return null; + this.alphaTest = 0; + this.premultipliedAlpha = false; - } + this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer - var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) ); + this.visible = true; - // b2 < 0, no intersection - if ( DdE1xQ < 0 ) { + this._needsUpdate = true; - return null; + } - } + Material.prototype = { - // b1+b2 > 1, no intersection - if ( DdQxE2 + DdE1xQ > DdN ) { + constructor: Material, - return null; + isMaterial: true, - } + get needsUpdate() { - // Line intersects triangle, check if ray does. - var QdN = - sign * diff.dot( normal ); + return this._needsUpdate; - // t < 0, no intersection - if ( QdN < 0 ) { + }, - return null; + set needsUpdate( value ) { - } + if ( value === true ) this.update(); + this._needsUpdate = value; - // Ray intersects triangle. - return this.at( QdN / DdN, optionalTarget ); + }, - }; + setValues: function ( values ) { - }(), + if ( values === undefined ) return; - applyMatrix4: function ( matrix4 ) { + for ( var key in values ) { - this.direction.add( this.origin ).applyMatrix4( matrix4 ); - this.origin.applyMatrix4( matrix4 ); - this.direction.sub( this.origin ); - this.direction.normalize(); + var newValue = values[ key ]; - return this; + if ( newValue === undefined ) { - }, + console.warn( "THREE.Material: '" + key + "' parameter is undefined." ); + continue; - equals: function ( ray ) { + } - return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + var currentValue = this[ key ]; - } + if ( currentValue === undefined ) { - }; + console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." ); + continue; - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - * @author bhouston / http://clara.io - */ + } - function Euler( x, y, z, order ) { + if ( (currentValue && currentValue.isColor) ) { - this._x = x || 0; - this._y = y || 0; - this._z = z || 0; - this._order = order || Euler.DefaultOrder; + currentValue.set( newValue ); - } + } else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) { - Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; + currentValue.copy( newValue ); - Euler.DefaultOrder = 'XYZ'; + } else if ( key === 'overdraw' ) { - Euler.prototype = { + // ensure overdraw is backwards-compatible with legacy boolean type + this[ key ] = Number( newValue ); - constructor: Euler, + } else { - isEuler: true, + this[ key ] = newValue; - get x () { + } - return this._x; + } }, - set x ( value ) { - - this._x = value; - this.onChangeCallback(); + toJSON: function ( meta ) { - }, + var isRoot = meta === undefined; - get y () { + if ( isRoot ) { - return this._y; + meta = { + textures: {}, + images: {} + }; - }, + } - set y ( value ) { + var data = { + metadata: { + version: 4.4, + type: 'Material', + generator: 'Material.toJSON' + } + }; - this._y = value; - this.onChangeCallback(); + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; - }, + if ( this.name !== '' ) data.name = this.name; - get z () { + if ( (this.color && this.color.isColor) ) data.color = this.color.getHex(); - return this._z; + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; - }, + if ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex(); + if ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; - set z ( value ) { + if ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid; + if ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + if ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid; + if ( (this.bumpMap && this.bumpMap.isTexture) ) { - this._z = value; - this.onChangeCallback(); + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; - }, + } + if ( (this.normalMap && this.normalMap.isTexture) ) { - get order () { + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalScale = this.normalScale.toArray(); - return this._order; + } + if ( (this.displacementMap && this.displacementMap.isTexture) ) { - }, + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; - set order ( value ) { + } + if ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; - this._order = value; - this.onChangeCallback(); + if ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid; - }, + if ( (this.envMap && this.envMap.isTexture) ) { - set: function ( x, y, z, order ) { + data.envMap = this.envMap.toJSON( meta ).uuid; + data.reflectivity = this.reflectivity; // Scale behind envMap - this._x = x; - this._y = y; - this._z = z; - this._order = order || this._order; + } - this.onChangeCallback(); + if ( this.size !== undefined ) data.size = this.size; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; - return this; + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.shading !== SmoothShading ) data.shading = this.shading; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors; - }, + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = this.transparent; - clone: function () { + data.depthFunc = this.depthFunc; + data.depthTest = this.depthTest; + data.depthWrite = this.depthWrite; - return new this.constructor( this._x, this._y, this._z, this._order ); + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; + if ( this.wireframe === true ) data.wireframe = this.wireframe; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; - }, + data.skinning = this.skinning; + data.morphTargets = this.morphTargets; - copy: function ( euler ) { + // TODO: Copied from Object3D.toJSON - this._x = euler._x; - this._y = euler._y; - this._z = euler._z; - this._order = euler._order; + function extractFromCache( cache ) { - this.onChangeCallback(); + var values = []; - return this; + for ( var key in cache ) { - }, + var data = cache[ key ]; + delete data.metadata; + values.push( data ); - setFromRotationMatrix: function ( m, order, update ) { + } - var clamp = _Math.clamp; + return values; - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + } - var te = m.elements; - var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; - var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; - var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + if ( isRoot ) { - order = order || this._order; + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); - if ( order === 'XYZ' ) { + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; - this._y = Math.asin( clamp( m13, - 1, 1 ) ); + } - if ( Math.abs( m13 ) < 0.99999 ) { + return data; - this._x = Math.atan2( - m23, m33 ); - this._z = Math.atan2( - m12, m11 ); + }, - } else { + clone: function () { - this._x = Math.atan2( m32, m22 ); - this._z = 0; + return new this.constructor().copy( this ); - } + }, - } else if ( order === 'YXZ' ) { + copy: function ( source ) { - this._x = Math.asin( - clamp( m23, - 1, 1 ) ); + this.name = source.name; - if ( Math.abs( m23 ) < 0.99999 ) { + this.fog = source.fog; + this.lights = source.lights; - this._y = Math.atan2( m13, m33 ); - this._z = Math.atan2( m21, m22 ); + this.blending = source.blending; + this.side = source.side; + this.shading = source.shading; + this.vertexColors = source.vertexColors; - } else { + this.opacity = source.opacity; + this.transparent = source.transparent; - this._y = Math.atan2( - m31, m11 ); - this._z = 0; + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; - } + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; - } else if ( order === 'ZXY' ) { + this.colorWrite = source.colorWrite; - this._x = Math.asin( clamp( m32, - 1, 1 ) ); + this.precision = source.precision; - if ( Math.abs( m32 ) < 0.99999 ) { + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; - this._y = Math.atan2( - m31, m33 ); - this._z = Math.atan2( - m12, m22 ); + this.alphaTest = source.alphaTest; - } else { + this.premultipliedAlpha = source.premultipliedAlpha; - this._y = 0; - this._z = Math.atan2( m21, m11 ); + this.overdraw = source.overdraw; - } + this.visible = source.visible; + this.clipShadows = source.clipShadows; + this.clipIntersection = source.clipIntersection; - } else if ( order === 'ZYX' ) { + var srcPlanes = source.clippingPlanes, + dstPlanes = null; - this._y = Math.asin( - clamp( m31, - 1, 1 ) ); + if ( srcPlanes !== null ) { - if ( Math.abs( m31 ) < 0.99999 ) { + var n = srcPlanes.length; + dstPlanes = new Array( n ); - this._x = Math.atan2( m32, m33 ); - this._z = Math.atan2( m21, m11 ); + for ( var i = 0; i !== n; ++ i ) + dstPlanes[ i ] = srcPlanes[ i ].clone(); - } else { + } - this._x = 0; - this._z = Math.atan2( - m12, m22 ); + this.clippingPlanes = dstPlanes; - } + return this; - } else if ( order === 'YZX' ) { + }, - this._z = Math.asin( clamp( m21, - 1, 1 ) ); + update: function () { - if ( Math.abs( m21 ) < 0.99999 ) { + this.dispatchEvent( { type: 'update' } ); - this._x = Math.atan2( - m23, m22 ); - this._y = Math.atan2( - m31, m11 ); + }, - } else { + dispose: function () { - this._x = 0; - this._y = Math.atan2( m13, m33 ); + this.dispatchEvent( { type: 'dispose' } ); - } + } - } else if ( order === 'XZY' ) { + }; - this._z = Math.asin( - clamp( m12, - 1, 1 ) ); + Object.assign( Material.prototype, EventDispatcher.prototype ); - if ( Math.abs( m12 ) < 0.99999 ) { + var count$1 = 0; + function MaterialIdCount() { return count$1++; } - this._x = Math.atan2( m32, m22 ); - this._y = Math.atan2( m13, m11 ); + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * defines: { "label" : "value" }, + * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } }, + * + * fragmentShader: , + * vertexShader: , + * + * wireframe: , + * wireframeLinewidth: , + * + * lights: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - } else { + function ShaderMaterial( parameters ) { - this._x = Math.atan2( - m23, m33 ); - this._y = 0; + Material.call( this ); - } + this.type = 'ShaderMaterial'; - } else { + this.defines = {}; + this.uniforms = {}; - console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); + this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}'; + this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}'; - } + this.linewidth = 1; - this._order = order; + this.wireframe = false; + this.wireframeLinewidth = 1; - if ( update !== false ) this.onChangeCallback(); + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes - return this; + this.skinning = false; // set to use skinning attribute streams + this.morphTargets = false; // set to use morph targets + this.morphNormals = false; // set to use morph normals - }, + this.extensions = { + derivatives: false, // set to use derivatives + fragDepth: false, // set to use fragment depth values + drawBuffers: false, // set to use draw buffers + shaderTextureLOD: false // set to use shader texture LOD + }; - setFromQuaternion: function () { + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv2': [ 0, 0 ] + }; - var matrix; + this.index0AttributeName = undefined; - return function setFromQuaternion( q, order, update ) { + if ( parameters !== undefined ) { - if ( matrix === undefined ) matrix = new Matrix4(); + if ( parameters.attributes !== undefined ) { - matrix.makeRotationFromQuaternion( q ); + console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); - return this.setFromRotationMatrix( matrix, order, update ); + } - }; + this.setValues( parameters ); - }(), + } - setFromVector3: function ( v, order ) { + } - return this.set( v.x, v.y, v.z, order || this._order ); + ShaderMaterial.prototype = Object.create( Material.prototype ); + ShaderMaterial.prototype.constructor = ShaderMaterial; - }, + ShaderMaterial.prototype.isShaderMaterial = true; - reorder: function () { + ShaderMaterial.prototype.copy = function ( source ) { - // WARNING: this discards revolution information -bhouston + Material.prototype.copy.call( this, source ); - var q = new Quaternion(); + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; - return function reorder( newOrder ) { + this.uniforms = UniformsUtils.clone( source.uniforms ); - q.setFromEuler( this ); + this.defines = source.defines; - return this.setFromQuaternion( q, newOrder ); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - }; + this.lights = source.lights; + this.clipping = source.clipping; - }(), + this.skinning = source.skinning; - equals: function ( euler ) { + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + this.extensions = source.extensions; - }, + return this; - fromArray: function ( array ) { + }; - this._x = array[ 0 ]; - this._y = array[ 1 ]; - this._z = array[ 2 ]; - if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + ShaderMaterial.prototype.toJSON = function ( meta ) { - this.onChangeCallback(); + var data = Material.prototype.toJSON.call( this, meta ); - return this; + data.uniforms = this.uniforms; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; - }, + return data; - toArray: function ( array, offset ) { + }; - if ( array === undefined ) array = []; - if ( offset === undefined ) offset = 0; + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author bhouston / https://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * + * opacity: , + * + * map: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ - array[ offset ] = this._x; - array[ offset + 1 ] = this._y; - array[ offset + 2 ] = this._z; - array[ offset + 3 ] = this._order; + function MeshDepthMaterial( parameters ) { - return array; + Material.call( this ); - }, + this.type = 'MeshDepthMaterial'; - toVector3: function ( optionalResult ) { + this.depthPacking = BasicDepthPacking; - if ( optionalResult ) { + this.skinning = false; + this.morphTargets = false; - return optionalResult.set( this._x, this._y, this._z ); + this.map = null; - } else { + this.alphaMap = null; - return new Vector3( this._x, this._y, this._z ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - } + this.wireframe = false; + this.wireframeLinewidth = 1; - }, - - onChange: function ( callback ) { - - this.onChangeCallback = callback; - - return this; - - }, - - onChangeCallback: function () {} - - }; - - /** - * @author mrdoob / http://mrdoob.com/ - */ - - function Layers() { + this.fog = false; + this.lights = false; - this.mask = 1; + this.setValues( parameters ); } - Layers.prototype = { - - constructor: Layers, - - set: function ( channel ) { - - this.mask = 1 << channel; - - }, - - enable: function ( channel ) { - - this.mask |= 1 << channel; + MeshDepthMaterial.prototype = Object.create( Material.prototype ); + MeshDepthMaterial.prototype.constructor = MeshDepthMaterial; - }, + MeshDepthMaterial.prototype.isMeshDepthMaterial = true; - toggle: function ( channel ) { + MeshDepthMaterial.prototype.copy = function ( source ) { - this.mask ^= 1 << channel; + Material.prototype.copy.call( this, source ); - }, + this.depthPacking = source.depthPacking; - disable: function ( channel ) { + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; - this.mask &= ~ ( 1 << channel ); + this.map = source.map; - }, + this.alphaMap = source.alphaMap; - test: function ( layers ) { + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - return ( this.mask & layers.mask ) !== 0; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - } + return this; }; /** - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ + * @author bhouston / http://clara.io * @author WestLangley / http://github.com/WestLangley - * @author elephantatwork / www.elephantatwork.ch */ - function Object3D() { - - Object.defineProperty( this, 'id', { value: Object3DIdCount() } ); - - this.uuid = _Math.generateUUID(); - - this.name = ''; - this.type = 'Object3D'; - - this.parent = null; - this.children = []; - - this.up = Object3D.DefaultUp.clone(); - - var position = new Vector3(); - var rotation = new Euler(); - var quaternion = new Quaternion(); - var scale = new Vector3( 1, 1, 1 ); - - function onRotationChange() { - - quaternion.setFromEuler( rotation, false ); - - } - - function onQuaternionChange() { + function Box3( min, max ) { - rotation.setFromQuaternion( quaternion, undefined, false ); + this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity ); + this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity ); - } + } - rotation.onChange( onRotationChange ); - quaternion.onChange( onQuaternionChange ); + Box3.prototype = { - Object.defineProperties( this, { - position: { - enumerable: true, - value: position - }, - rotation: { - enumerable: true, - value: rotation - }, - quaternion: { - enumerable: true, - value: quaternion - }, - scale: { - enumerable: true, - value: scale - }, - modelViewMatrix: { - value: new Matrix4() - }, - normalMatrix: { - value: new Matrix3() - } - } ); + constructor: Box3, - this.matrix = new Matrix4(); - this.matrixWorld = new Matrix4(); + isBox3: true, - this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; - this.matrixWorldNeedsUpdate = false; + set: function ( min, max ) { - this.layers = new Layers(); - this.visible = true; + this.min.copy( min ); + this.max.copy( max ); - this.castShadow = false; - this.receiveShadow = false; + return this; - this.frustumCulled = true; - this.renderOrder = 0; + }, - this.userData = {}; + setFromArray: function ( array ) { - this.onBeforeRender = function(){}; - this.onAfterRender = function(){}; + var minX = + Infinity; + var minY = + Infinity; + var minZ = + Infinity; - } + var maxX = - Infinity; + var maxY = - Infinity; + var maxZ = - Infinity; - Object3D.DefaultUp = new Vector3( 0, 1, 0 ); - Object3D.DefaultMatrixAutoUpdate = true; + for ( var i = 0, l = array.length; i < l; i += 3 ) { - Object.assign( Object3D.prototype, EventDispatcher.prototype, { + var x = array[ i ]; + var y = array[ i + 1 ]; + var z = array[ i + 2 ]; - isObject3D: true, + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; - applyMatrix: function ( matrix ) { + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; - this.matrix.multiplyMatrices( matrix, this.matrix ); + } - this.matrix.decompose( this.position, this.quaternion, this.scale ); + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); }, - setRotationFromAxisAngle: function ( axis, angle ) { + setFromPoints: function ( points ) { - // assumes axis is normalized + this.makeEmpty(); - this.quaternion.setFromAxisAngle( axis, angle ); + for ( var i = 0, il = points.length; i < il; i ++ ) { - }, + this.expandByPoint( points[ i ] ); - setRotationFromEuler: function ( euler ) { + } - this.quaternion.setFromEuler( euler, true ); + return this; }, - setRotationFromMatrix: function ( m ) { + setFromCenterAndSize: function () { - // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + var v1 = new Vector3(); - this.quaternion.setFromRotationMatrix( m ); + return function setFromCenterAndSize( center, size ) { - }, + var halfSize = v1.copy( size ).multiplyScalar( 0.5 ); - setRotationFromQuaternion: function ( q ) { + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); - // assumes q is normalized + return this; - this.quaternion.copy( q ); + }; - }, + }(), - rotateOnAxis: function () { + setFromObject: function () { - // rotate object on axis in object space - // axis is assumed to be normalized + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms - var q1 = new Quaternion(); + var v1 = new Vector3(); - return function rotateOnAxis( axis, angle ) { + return function setFromObject( object ) { - q1.setFromAxisAngle( axis, angle ); + var scope = this; - this.quaternion.multiply( q1 ); + object.updateMatrixWorld( true ); - return this; + this.makeEmpty(); - }; + object.traverse( function ( node ) { - }(), + var geometry = node.geometry; - rotateX: function () { + if ( geometry !== undefined ) { - var v1 = new Vector3( 1, 0, 0 ); + if ( (geometry && geometry.isGeometry) ) { - return function rotateX( angle ) { + var vertices = geometry.vertices; - return this.rotateOnAxis( v1, angle ); + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - }; + v1.copy( vertices[ i ] ); + v1.applyMatrix4( node.matrixWorld ); - }(), + scope.expandByPoint( v1 ); - rotateY: function () { + } - var v1 = new Vector3( 0, 1, 0 ); + } else if ( (geometry && geometry.isBufferGeometry) ) { - return function rotateY( angle ) { + var attribute = geometry.attributes.position; - return this.rotateOnAxis( v1, angle ); + if ( attribute !== undefined ) { - }; + var array, offset, stride; - }(), + if ( (attribute && attribute.isInterleavedBufferAttribute) ) { - rotateZ: function () { + array = attribute.data.array; + offset = attribute.offset; + stride = attribute.data.stride; - var v1 = new Vector3( 0, 0, 1 ); + } else { - return function rotateZ( angle ) { + array = attribute.array; + offset = 0; + stride = 3; - return this.rotateOnAxis( v1, angle ); + } - }; + for ( var i = offset, il = array.length; i < il; i += stride ) { - }(), + v1.fromArray( array, i ); + v1.applyMatrix4( node.matrixWorld ); - translateOnAxis: function () { + scope.expandByPoint( v1 ); - // translate object by distance along axis in object space - // axis is assumed to be normalized + } - var v1 = new Vector3(); + } - return function translateOnAxis( axis, distance ) { + } - v1.copy( axis ).applyQuaternion( this.quaternion ); + } - this.position.add( v1.multiplyScalar( distance ) ); + } ); return this; @@ -11032,540 +12676,542 @@ }(), - translateX: function () { + clone: function () { - var v1 = new Vector3( 1, 0, 0 ); + return new this.constructor().copy( this ); - return function translateX( distance ) { + }, - return this.translateOnAxis( v1, distance ); + copy: function ( box ) { - }; + this.min.copy( box.min ); + this.max.copy( box.max ); - }(), + return this; - translateY: function () { + }, - var v1 = new Vector3( 0, 1, 0 ); + makeEmpty: function () { - return function translateY( distance ) { + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; - return this.translateOnAxis( v1, distance ); + return this; - }; + }, - }(), + isEmpty: function () { - translateZ: function () { + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes - var v1 = new Vector3( 0, 0, 1 ); + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); - return function translateZ( distance ) { + }, - return this.translateOnAxis( v1, distance ); + getCenter: function ( optionalTarget ) { - }; + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); - }(), + }, - localToWorld: function ( vector ) { + getSize: function ( optionalTarget ) { - return vector.applyMatrix4( this.matrixWorld ); + var result = optionalTarget || new Vector3(); + return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min ); }, - worldToLocal: function () { + expandByPoint: function ( point ) { - var m1 = new Matrix4(); + this.min.min( point ); + this.max.max( point ); - return function worldToLocal( vector ) { + return this; - return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); + }, - }; + expandByVector: function ( vector ) { - }(), + this.min.sub( vector ); + this.max.add( vector ); - lookAt: function () { + return this; - // This routine does not support objects with rotated and/or translated parent(s) + }, - var m1 = new Matrix4(); + expandByScalar: function ( scalar ) { - return function lookAt( vector ) { + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); - m1.lookAt( vector, this.position, this.up ); + return this; - this.quaternion.setFromRotationMatrix( m1 ); + }, - }; + containsPoint: function ( point ) { - }(), + if ( point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ) { - add: function ( object ) { + return false; - if ( arguments.length > 1 ) { + } - for ( var i = 0; i < arguments.length; i ++ ) { + return true; - this.add( arguments[ i ] ); + }, - } + containsBox: function ( box ) { - return this; + if ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) && + ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) && + ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) { + + return true; } - if ( object === this ) { + return false; - console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); - return this; + }, - } + getParameter: function ( point, optionalTarget ) { - if ( (object && object.isObject3D) ) { + // This can potentially have a divide by zero if the box + // has a size dimension of 0. - if ( object.parent !== null ) { + var result = optionalTarget || new Vector3(); - object.parent.remove( object ); + return result.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); - } + }, - object.parent = this; - object.dispatchEvent( { type: 'added' } ); + intersectsBox: function ( box ) { - this.children.push( object ); + // using 6 splitting planes to rule out intersections. - } else { + if ( box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ) { - console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); + return false; } - return this; + return true; }, - remove: function ( object ) { - - if ( arguments.length > 1 ) { + intersectsSphere: ( function () { - for ( var i = 0; i < arguments.length; i ++ ) { + var closestPoint; - this.remove( arguments[ i ] ); + return function intersectsSphere( sphere ) { - } + if ( closestPoint === undefined ) closestPoint = new Vector3(); - } + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, closestPoint ); - var index = this.children.indexOf( object ); + // If that point is inside the sphere, the AABB and sphere intersect. + return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); - if ( index !== - 1 ) { + }; - object.parent = null; + } )(), - object.dispatchEvent( { type: 'removed' } ); + intersectsPlane: function ( plane ) { - this.children.splice( index, 1 ); + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. - } + var min, max; - }, + if ( plane.normal.x > 0 ) { - getObjectById: function ( id ) { + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; - return this.getObjectByProperty( 'id', id ); + } else { - }, + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; - getObjectByName: function ( name ) { + } - return this.getObjectByProperty( 'name', name ); + if ( plane.normal.y > 0 ) { - }, + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; - getObjectByProperty: function ( name, value ) { + } else { - if ( this[ name ] === value ) return this; + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; - for ( var i = 0, l = this.children.length; i < l; i ++ ) { + } - var child = this.children[ i ]; - var object = child.getObjectByProperty( name, value ); + if ( plane.normal.z > 0 ) { - if ( object !== undefined ) { + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; - return object; + } else { - } + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; } - return undefined; + return ( min <= plane.constant && max >= plane.constant ); }, - getWorldPosition: function ( optionalTarget ) { + clampPoint: function ( point, optionalTarget ) { var result = optionalTarget || new Vector3(); - - this.updateMatrixWorld( true ); - - return result.setFromMatrixPosition( this.matrixWorld ); + return result.copy( point ).clamp( this.min, this.max ); }, - getWorldQuaternion: function () { - - var position = new Vector3(); - var scale = new Vector3(); - - return function getWorldQuaternion( optionalTarget ) { - - var result = optionalTarget || new Quaternion(); + distanceToPoint: function () { - this.updateMatrixWorld( true ); + var v1 = new Vector3(); - this.matrixWorld.decompose( position, result, scale ); + return function distanceToPoint( point ) { - return result; + var clampedPoint = v1.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); }; }(), - getWorldRotation: function () { + getBoundingSphere: function () { - var quaternion = new Quaternion(); + var v1 = new Vector3(); - return function getWorldRotation( optionalTarget ) { + return function getBoundingSphere( optionalTarget ) { - var result = optionalTarget || new Euler(); + var result = optionalTarget || new Sphere(); - this.getWorldQuaternion( quaternion ); + this.getCenter( result.center ); - return result.setFromQuaternion( quaternion, this.rotation.order, false ); + result.radius = this.getSize( v1 ).length() * 0.5; + + return result; }; }(), - getWorldScale: function () { + intersect: function ( box ) { - var position = new Vector3(); - var quaternion = new Quaternion(); + this.min.max( box.min ); + this.max.min( box.max ); - return function getWorldScale( optionalTarget ) { + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if( this.isEmpty() ) this.makeEmpty(); - var result = optionalTarget || new Vector3(); + return this; - this.updateMatrixWorld( true ); + }, - this.matrixWorld.decompose( position, quaternion, result ); + union: function ( box ) { - return result; + this.min.min( box.min ); + this.max.max( box.max ); - }; + return this; - }(), + }, - getWorldDirection: function () { + applyMatrix4: function () { - var quaternion = new Quaternion(); + var points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() + ]; - return function getWorldDirection( optionalTarget ) { + return function applyMatrix4( matrix ) { - var result = optionalTarget || new Vector3(); + // transform of empty box is an empty box. + if( this.isEmpty() ) return this; - this.getWorldQuaternion( quaternion ); + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 - return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); + this.setFromPoints( points ); + + return this; }; }(), - raycast: function () {}, - - traverse: function ( callback ) { - - callback( this ); - - var children = this.children; - - for ( var i = 0, l = children.length; i < l; i ++ ) { + translate: function ( offset ) { - children[ i ].traverse( callback ); + this.min.add( offset ); + this.max.add( offset ); - } + return this; }, - traverseVisible: function ( callback ) { - - if ( this.visible === false ) return; + equals: function ( box ) { - callback( this ); + return box.min.equals( this.min ) && box.max.equals( this.max ); - var children = this.children; + } - for ( var i = 0, l = children.length; i < l; i ++ ) { + }; - children[ i ].traverseVisible( callback ); + /** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ - } + function Sphere( center, radius ) { - }, + this.center = ( center !== undefined ) ? center : new Vector3(); + this.radius = ( radius !== undefined ) ? radius : 0; - traverseAncestors: function ( callback ) { + } - var parent = this.parent; + Sphere.prototype = { - if ( parent !== null ) { + constructor: Sphere, - callback( parent ); + set: function ( center, radius ) { - parent.traverseAncestors( callback ); + this.center.copy( center ); + this.radius = radius; - } + return this; }, - updateMatrix: function () { - - this.matrix.compose( this.position, this.quaternion, this.scale ); - - this.matrixWorldNeedsUpdate = true; - - }, + setFromPoints: function () { - updateMatrixWorld: function ( force ) { + var box = new Box3(); - if ( this.matrixAutoUpdate === true ) this.updateMatrix(); + return function setFromPoints( points, optionalCenter ) { - if ( this.matrixWorldNeedsUpdate === true || force === true ) { + var center = this.center; - if ( this.parent === null ) { + if ( optionalCenter !== undefined ) { - this.matrixWorld.copy( this.matrix ); + center.copy( optionalCenter ); } else { - this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + box.setFromPoints( points ).getCenter( center ); } - this.matrixWorldNeedsUpdate = false; - - force = true; - - } + var maxRadiusSq = 0; - // update children + for ( var i = 0, il = points.length; i < il; i ++ ) { - var children = this.children; + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); - for ( var i = 0, l = children.length; i < l; i ++ ) { + } - children[ i ].updateMatrixWorld( force ); + this.radius = Math.sqrt( maxRadiusSq ); - } + return this; - }, + }; - toJSON: function ( meta ) { + }(), - // meta is '' when called from JSON.stringify - var isRootObject = ( meta === undefined || meta === '' ); + clone: function () { - var output = {}; + return new this.constructor().copy( this ); - // meta is a hash used to collect geometries, materials. - // not providing it implies that this is the root object - // being serialized. - if ( isRootObject ) { + }, - // initialize meta obj - meta = { - geometries: {}, - materials: {}, - textures: {}, - images: {} - }; + copy: function ( sphere ) { - output.metadata = { - version: 4.4, - type: 'Object', - generator: 'Object3D.toJSON' - }; + this.center.copy( sphere.center ); + this.radius = sphere.radius; - } + return this; - // standard Object3D serialization + }, - var object = {}; + empty: function () { - object.uuid = this.uuid; - object.type = this.type; + return ( this.radius <= 0 ); - if ( this.name !== '' ) object.name = this.name; - if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; - if ( this.castShadow === true ) object.castShadow = true; - if ( this.receiveShadow === true ) object.receiveShadow = true; - if ( this.visible === false ) object.visible = false; + }, - object.matrix = this.matrix.toArray(); + containsPoint: function ( point ) { - // + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); - if ( this.geometry !== undefined ) { + }, - if ( meta.geometries[ this.geometry.uuid ] === undefined ) { + distanceToPoint: function ( point ) { - meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); + return ( point.distanceTo( this.center ) - this.radius ); - } + }, - object.geometry = this.geometry.uuid; + intersectsSphere: function ( sphere ) { - } + var radiusSum = this.radius + sphere.radius; - if ( this.material !== undefined ) { + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); - if ( meta.materials[ this.material.uuid ] === undefined ) { + }, - meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); + intersectsBox: function ( box ) { - } + return box.intersectsSphere( this ); - object.material = this.material.uuid; + }, - } + intersectsPlane: function ( plane ) { + // We use the following equation to compute the signed distance from + // the center of the sphere to the plane. // + // distance = q * n - d + // + // If this distance is greater than the radius of the sphere, + // then there is no intersection. - if ( this.children.length > 0 ) { - - object.children = []; + return Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius; - for ( var i = 0; i < this.children.length; i ++ ) { + }, - object.children.push( this.children[ i ].toJSON( meta ).object ); + clampPoint: function ( point, optionalTarget ) { - } + var deltaLengthSq = this.center.distanceToSquared( point ); - } + var result = optionalTarget || new Vector3(); - if ( isRootObject ) { + result.copy( point ); - var geometries = extractFromCache( meta.geometries ); - var materials = extractFromCache( meta.materials ); - var textures = extractFromCache( meta.textures ); - var images = extractFromCache( meta.images ); + if ( deltaLengthSq > ( this.radius * this.radius ) ) { - if ( geometries.length > 0 ) output.geometries = geometries; - if ( materials.length > 0 ) output.materials = materials; - if ( textures.length > 0 ) output.textures = textures; - if ( images.length > 0 ) output.images = images; + result.sub( this.center ).normalize(); + result.multiplyScalar( this.radius ).add( this.center ); } - output.object = object; - - return output; + return result; - // extract data from the cache hash - // remove metadata on each item - // and return as array - function extractFromCache( cache ) { + }, - var values = []; - for ( var key in cache ) { + getBoundingBox: function ( optionalTarget ) { - var data = cache[ key ]; - delete data.metadata; - values.push( data ); + var box = optionalTarget || new Box3(); - } - return values; + box.set( this.center, this.center ); + box.expandByScalar( this.radius ); - } + return box; }, - clone: function ( recursive ) { + applyMatrix4: function ( matrix ) { - return new this.constructor().copy( this, recursive ); + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + + return this; }, - copy: function ( source, recursive ) { + translate: function ( offset ) { - if ( recursive === undefined ) recursive = true; + this.center.add( offset ); - this.name = source.name; + return this; - this.up.copy( source.up ); + }, - this.position.copy( source.position ); - this.quaternion.copy( source.quaternion ); - this.scale.copy( source.scale ); + equals: function ( sphere ) { - this.matrix.copy( source.matrix ); - this.matrixWorld.copy( source.matrixWorld ); + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); - this.matrixAutoUpdate = source.matrixAutoUpdate; - this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + } - this.visible = source.visible; + }; - this.castShadow = source.castShadow; - this.receiveShadow = source.receiveShadow; + /** + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + * @author tschw + */ - this.frustumCulled = source.frustumCulled; - this.renderOrder = source.renderOrder; + function Matrix3() { - this.userData = JSON.parse( JSON.stringify( source.userData ) ); + this.elements = new Float32Array( [ - if ( recursive === true ) { + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 - for ( var i = 0; i < source.children.length; i ++ ) { + ] ); - var child = source.children[ i ]; - this.add( child.clone() ); + if ( arguments.length > 0 ) { - } + console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); - } + } - return this; + } - } + Matrix3.prototype = { - } ); + constructor: Matrix3, - var count$2 = 0; - function Object3DIdCount() { return count$2++; } + isMatrix3: true, - /** - * @author bhouston / http://clara.io - */ + set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { - function Line3( start, end ) { + var te = this.elements; - this.start = ( start !== undefined ) ? start : new Vector3(); - this.end = ( end !== undefined ) ? end : new Vector3(); + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; - } + return this; - Line3.prototype = { + }, - constructor: Line3, + identity: function () { - set: function ( start, end ) { + this.set( - this.start.copy( start ); - this.end.copy( end ); + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ); return this; @@ -11573,419 +13219,487 @@ clone: function () { - return new this.constructor().copy( this ); + return new this.constructor().fromArray( this.elements ); }, - copy: function ( line ) { + copy: function ( m ) { - this.start.copy( line.start ); - this.end.copy( line.end ); + var me = m.elements; + + this.set( + + me[ 0 ], me[ 3 ], me[ 6 ], + me[ 1 ], me[ 4 ], me[ 7 ], + me[ 2 ], me[ 5 ], me[ 8 ] + + ); return this; }, - getCenter: function ( optionalTarget ) { + setFromMatrix4: function( m ) { - var result = optionalTarget || new Vector3(); - return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + var me = m.elements; - }, + this.set( - delta: function ( optionalTarget ) { + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] - var result = optionalTarget || new Vector3(); - return result.subVectors( this.end, this.start ); + ); + + return this; }, - distanceSq: function () { + applyToVector3Array: function () { - return this.start.distanceToSquared( this.end ); + var v1; - }, + return function applyToVector3Array( array, offset, length ) { - distance: function () { + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = array.length; - return this.start.distanceTo( this.end ); + for ( var i = 0, j = offset; i < length; i += 3, j += 3 ) { - }, + v1.fromArray( array, j ); + v1.applyMatrix3( this ); + v1.toArray( array, j ); - at: function ( t, optionalTarget ) { + } - var result = optionalTarget || new Vector3(); + return array; - return this.delta( result ).multiplyScalar( t ).add( this.start ); + }; - }, + }(), - closestPointToPointParameter: function () { + applyToBuffer: function () { - var startP = new Vector3(); - var startEnd = new Vector3(); + var v1; - return function closestPointToPointParameter( point, clampToLine ) { + return function applyToBuffer( buffer, offset, length ) { - startP.subVectors( point, this.start ); - startEnd.subVectors( this.end, this.start ); + if ( v1 === undefined ) v1 = new Vector3(); + if ( offset === undefined ) offset = 0; + if ( length === undefined ) length = buffer.length / buffer.itemSize; - var startEnd2 = startEnd.dot( startEnd ); - var startEnd_startP = startEnd.dot( startP ); + for ( var i = 0, j = offset; i < length; i ++, j ++ ) { - var t = startEnd_startP / startEnd2; + v1.x = buffer.getX( j ); + v1.y = buffer.getY( j ); + v1.z = buffer.getZ( j ); - if ( clampToLine ) { + v1.applyMatrix3( this ); - t = _Math.clamp( t, 0, 1 ); + buffer.setXYZ( j, v1.x, v1.y, v1.z ); } - return t; + return buffer; }; }(), - closestPointToPoint: function ( point, clampToLine, optionalTarget ) { + multiplyScalar: function ( s ) { - var t = this.closestPointToPointParameter( point, clampToLine ); + var te = this.elements; - var result = optionalTarget || new Vector3(); + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; - return this.delta( result ).multiplyScalar( t ).add( this.start ); + return this; }, - applyMatrix4: function ( matrix ) { + determinant: function () { - this.start.applyMatrix4( matrix ); - this.end.applyMatrix4( matrix ); + var te = this.elements; - return this; + var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; }, - equals: function ( line ) { + getInverse: function ( matrix, throwOnDegenerate ) { - return line.start.equals( this.start ) && line.end.equals( this.end ); + if ( (matrix && matrix.isMatrix4) ) { - } + console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." ); - }; + } - /** - * @author bhouston / http://clara.io - * @author mrdoob / http://mrdoob.com/ - */ + var me = matrix.elements, + te = this.elements, - function Triangle( a, b, c ) { + n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], + n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ], + n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ], - this.a = ( a !== undefined ) ? a : new Vector3(); - this.b = ( b !== undefined ) ? b : new Vector3(); - this.c = ( c !== undefined ) ? c : new Vector3(); + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, - } + det = n11 * t11 + n21 * t12 + n31 * t13; - Triangle.normal = function () { + if ( det === 0 ) { - var v0 = new Vector3(); + var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0"; - return function normal( a, b, c, optionalTarget ) { + if ( throwOnDegenerate === true ) { - var result = optionalTarget || new Vector3(); + throw new Error( msg ); - result.subVectors( c, b ); - v0.subVectors( a, b ); - result.cross( v0 ); + } else { - var resultLengthSq = result.lengthSq(); - if ( resultLengthSq > 0 ) { + console.warn( msg ); - return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); + } + return this.identity(); } - return result.set( 0, 0, 0 ); + var detInv = 1 / det; - }; + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; - }(); + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; - // static/instance method to calculate barycentric coordinates - // based on: http://www.blackpawn.com/texts/pointinpoly/default.html - Triangle.barycoordFromPoint = function () { + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; - var v0 = new Vector3(); - var v1 = new Vector3(); - var v2 = new Vector3(); + return this; - return function barycoordFromPoint( point, a, b, c, optionalTarget ) { + }, - v0.subVectors( c, a ); - v1.subVectors( b, a ); - v2.subVectors( point, a ); + transpose: function () { - var dot00 = v0.dot( v0 ); - var dot01 = v0.dot( v1 ); - var dot02 = v0.dot( v2 ); - var dot11 = v1.dot( v1 ); - var dot12 = v1.dot( v2 ); + var tmp, m = this.elements; - var denom = ( dot00 * dot11 - dot01 * dot01 ); + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; - var result = optionalTarget || new Vector3(); + return this; - // collinear or singular triangle - if ( denom === 0 ) { + }, - // arbitrary location outside of triangle? - // not sure if this is the best idea, maybe should be returning undefined - return result.set( - 2, - 1, - 1 ); + flattenToArrayOffset: function ( array, offset ) { - } + console.warn( "THREE.Matrix3: .flattenToArrayOffset is deprecated " + + "- just use .toArray instead." ); - var invDenom = 1 / denom; - var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; - var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + return this.toArray( array, offset ); - // barycentric coordinates must always sum to 1 - return result.set( 1 - u - v, v, u ); + }, - }; + getNormalMatrix: function ( matrix4 ) { - }(); + return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose(); - Triangle.containsPoint = function () { + }, - var v1 = new Vector3(); + transposeIntoArray: function ( r ) { - return function containsPoint( point, a, b, c ) { + var m = this.elements; - var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; - return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); + return this; - }; + }, - }(); + fromArray: function ( array, offset ) { - Triangle.prototype = { + if ( offset === undefined ) offset = 0; - constructor: Triangle, + for( var i = 0; i < 9; i ++ ) { - set: function ( a, b, c ) { + this.elements[ i ] = array[ i + offset ]; - this.a.copy( a ); - this.b.copy( b ); - this.c.copy( c ); + } return this; }, - setFromPointsAndIndices: function ( points, i0, i1, i2 ) { + toArray: function ( array, offset ) { - this.a.copy( points[ i0 ] ); - this.b.copy( points[ i1 ] ); - this.c.copy( points[ i2 ] ); + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; + + var te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + + return array; + + } + + }; + + /** + * @author bhouston / http://clara.io + */ + + function Plane( normal, constant ) { + + this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 ); + this.constant = ( constant !== undefined ) ? constant : 0; + + } + + Plane.prototype = { + + constructor: Plane, + + set: function ( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; return this; }, - clone: function () { + setComponents: function ( x, y, z, w ) { - return new this.constructor().copy( this ); + this.normal.set( x, y, z ); + this.constant = w; + + return this; }, - copy: function ( triangle ) { + setFromNormalAndCoplanarPoint: function ( normal, point ) { - this.a.copy( triangle.a ); - this.b.copy( triangle.b ); - this.c.copy( triangle.c ); + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); // must be this.normal, not normal, as this.normal is normalized return this; }, - area: function () { + setFromCoplanarPoints: function () { - var v0 = new Vector3(); var v1 = new Vector3(); + var v2 = new Vector3(); - return function area() { + return function setFromCoplanarPoints( a, b, c ) { - v0.subVectors( this.c, this.b ); - v1.subVectors( this.a, this.b ); + var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize(); - return v0.cross( v1 ).length() * 0.5; + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; }; }(), - midpoint: function ( optionalTarget ) { + clone: function () { - var result = optionalTarget || new Vector3(); - return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + return new this.constructor().copy( this ); }, - normal: function ( optionalTarget ) { + copy: function ( plane ) { - return Triangle.normal( this.a, this.b, this.c, optionalTarget ); + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; }, - plane: function ( optionalTarget ) { + normalize: function () { - var result = optionalTarget || new Plane(); + // Note: will lead to a divide by zero if the plane is invalid. - return result.setFromCoplanarPoints( this.a, this.b, this.c ); + var inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; }, - barycoordFromPoint: function ( point, optionalTarget ) { + negate: function () { - return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); + this.constant *= - 1; + this.normal.negate(); + + return this; }, - containsPoint: function ( point ) { + distanceToPoint: function ( point ) { - return Triangle.containsPoint( point, this.a, this.b, this.c ); + return this.normal.dot( point ) + this.constant; }, - closestPointToPoint: function () { + distanceToSphere: function ( sphere ) { - var plane, edgeList, projectedPoint, closestPoint; + return this.distanceToPoint( sphere.center ) - sphere.radius; - return function closestPointToPoint( point, optionalTarget ) { + }, - if ( plane === undefined ) { + projectPoint: function ( point, optionalTarget ) { - plane = new Plane(); - edgeList = [ new Line3(), new Line3(), new Line3() ]; - projectedPoint = new Vector3(); - closestPoint = new Vector3(); + return this.orthoPoint( point, optionalTarget ).sub( point ).negate(); - } + }, - var result = optionalTarget || new Vector3(); - var minDistance = Infinity; + orthoPoint: function ( point, optionalTarget ) { - // project the point onto the plane of the triangle + var perpendicularMagnitude = this.distanceToPoint( point ); - plane.setFromCoplanarPoints( this.a, this.b, this.c ); - plane.projectPoint( point, projectedPoint ); + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( perpendicularMagnitude ); - // check if the projection lies within the triangle + }, - if( this.containsPoint( projectedPoint ) === true ) { + intersectLine: function () { - // if so, this is the closest point + var v1 = new Vector3(); - result.copy( projectedPoint ); + return function intersectLine( line, optionalTarget ) { - } else { + var result = optionalTarget || new Vector3(); - // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices + var direction = line.delta( v1 ); - edgeList[ 0 ].set( this.a, this.b ); - edgeList[ 1 ].set( this.b, this.c ); - edgeList[ 2 ].set( this.c, this.a ); + var denominator = this.normal.dot( direction ); - for( var i = 0; i < edgeList.length; i ++ ) { + if ( denominator === 0 ) { - edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { - var distance = projectedPoint.distanceToSquared( closestPoint ); + return result.copy( line.start ); - if( distance < minDistance ) { + } - minDistance = distance; + // Unsure if this is the correct method to handle this case. + return undefined; - result.copy( closestPoint ); + } - } + var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; - } + if ( t < 0 || t > 1 ) { + + return undefined; } - return result; + return result.copy( direction ).multiplyScalar( t ).add( line.start ); }; }(), - equals: function ( triangle ) { - - return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); - - } + intersectsLine: function ( line ) { - }; + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + var startSign = this.distanceToPoint( line.start ); + var endSign = this.distanceToPoint( line.end ); - function Face3( a, b, c, normal, color, materialIndex ) { + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); - this.a = a; - this.b = b; - this.c = c; + }, - this.normal = (normal && normal.isVector3) ? normal : new Vector3(); - this.vertexNormals = Array.isArray( normal ) ? normal : []; + intersectsBox: function ( box ) { - this.color = (color && color.isColor) ? color : new Color(); - this.vertexColors = Array.isArray( color ) ? color : []; + return box.intersectsPlane( this ); - this.materialIndex = materialIndex !== undefined ? materialIndex : 0; + }, - } + intersectsSphere: function ( sphere ) { - Face3.prototype = { + return sphere.intersectsPlane( this ); - constructor: Face3, + }, - clone: function () { + coplanarPoint: function ( optionalTarget ) { - return new this.constructor().copy( this ); + var result = optionalTarget || new Vector3(); + return result.copy( this.normal ).multiplyScalar( - this.constant ); }, - copy: function ( source ) { + applyMatrix4: function () { - this.a = source.a; - this.b = source.b; - this.c = source.c; + var v1 = new Vector3(); + var m1 = new Matrix3(); - this.normal.copy( source.normal ); - this.color.copy( source.color ); + return function applyMatrix4( matrix, optionalNormalMatrix ) { - this.materialIndex = source.materialIndex; + var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix ); - for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { + // transform normal based on theory here: + // http://www.songho.ca/opengl/gl_normaltransform.html + var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix ); + var normal = this.normal.applyMatrix3( normalMatrix ).normalize(); - this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); + // recalculate constant (like in setFromNormalAndCoplanarPoint) + this.constant = - referencePoint.dot( normal ); - } + return this; - for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { + }; - this.vertexColors[ i ] = source.vertexColors[ i ].clone(); + }(), - } + translate: function ( offset ) { + + this.constant = this.constant - offset.dot( this.normal ); return this; + }, + + equals: function ( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + } }; @@ -11993,663 +13707,712 @@ /** * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * shading: THREE.SmoothShading, - * depthTest: , - * depthWrite: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: - * } + * @author bhouston / http://clara.io */ - function MeshBasicMaterial( parameters ) { - - Material.call( this ); + function Frustum( p0, p1, p2, p3, p4, p5 ) { - this.type = 'MeshBasicMaterial'; + this.planes = [ - this.color = new Color( 0xffffff ); // emissive + ( p0 !== undefined ) ? p0 : new Plane(), + ( p1 !== undefined ) ? p1 : new Plane(), + ( p2 !== undefined ) ? p2 : new Plane(), + ( p3 !== undefined ) ? p3 : new Plane(), + ( p4 !== undefined ) ? p4 : new Plane(), + ( p5 !== undefined ) ? p5 : new Plane() - this.map = null; + ]; - this.aoMap = null; - this.aoMapIntensity = 1.0; + } - this.specularMap = null; + Frustum.prototype = { - this.alphaMap = null; + constructor: Frustum, - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + set: function ( p0, p1, p2, p3, p4, p5 ) { - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + var planes = this.planes; - this.skinning = false; - this.morphTargets = false; + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); - this.lights = false; + return this; - this.setValues( parameters ); + }, - } + clone: function () { - MeshBasicMaterial.prototype = Object.create( Material.prototype ); - MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; + return new this.constructor().copy( this ); - MeshBasicMaterial.prototype.isMeshBasicMaterial = true; + }, - MeshBasicMaterial.prototype.copy = function ( source ) { + copy: function ( frustum ) { - Material.prototype.copy.call( this, source ); + var planes = this.planes; - this.color.copy( source.color ); + for ( var i = 0; i < 6; i ++ ) { - this.map = source.map; + planes[ i ].copy( frustum.planes[ i ] ); - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + } - this.specularMap = source.specularMap; + return this; - this.alphaMap = source.alphaMap; + }, - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + setFromMatrix: function ( m ) { - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + var planes = this.planes; + var me = m.elements; + var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); - return this; + return this; - }; + }, - /** - * @author mrdoob / http://mrdoob.com/ - */ + intersectsObject: function () { - function BufferAttribute( array, itemSize, normalized ) { + var sphere = new Sphere(); - if ( Array.isArray( array ) ) { + return function intersectsObject( object ) { - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + var geometry = object.geometry; - } + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); - this.uuid = _Math.generateUUID(); + sphere.copy( geometry.boundingSphere ) + .applyMatrix4( object.matrixWorld ); - this.array = array; - this.itemSize = itemSize; - this.count = array !== undefined ? array.length / itemSize : 0; - this.normalized = normalized === true; + return this.intersectsSphere( sphere ); - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; + }; - this.version = 0; + }(), - } + intersectsSprite: function () { - BufferAttribute.prototype = { + var sphere = new Sphere(); - constructor: BufferAttribute, + return function intersectsSprite( sprite ) { - isBufferAttribute: true, + sphere.center.set( 0, 0, 0 ); + sphere.radius = 0.7071067811865476; + sphere.applyMatrix4( sprite.matrixWorld ); - set needsUpdate( value ) { + return this.intersectsSphere( sphere ); - if ( value === true ) this.version ++; + }; - }, + }(), - setArray: function ( array ) { + intersectsSphere: function ( sphere ) { - if ( Array.isArray( array ) ) { + var planes = this.planes; + var center = sphere.center; + var negRadius = - sphere.radius; - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + for ( var i = 0; i < 6; i ++ ) { - } + var distance = planes[ i ].distanceToPoint( center ); - this.count = array !== undefined ? array.length / this.itemSize : 0; - this.array = array; + if ( distance < negRadius ) { - }, + return false; - setDynamic: function ( value ) { + } - this.dynamic = value; + } - return this; + return true; }, - copy: function ( source ) { + intersectsBox: function () { - this.array = new source.array.constructor( source.array ); - this.itemSize = source.itemSize; - this.count = source.count; - this.normalized = source.normalized; + var p1 = new Vector3(), + p2 = new Vector3(); - this.dynamic = source.dynamic; + return function intersectsBox( box ) { - return this; + var planes = this.planes; - }, + for ( var i = 0; i < 6 ; i ++ ) { - copyAt: function ( index1, attribute, index2 ) { + var plane = planes[ i ]; - index1 *= this.itemSize; - index2 *= attribute.itemSize; + p1.x = plane.normal.x > 0 ? box.min.x : box.max.x; + p2.x = plane.normal.x > 0 ? box.max.x : box.min.x; + p1.y = plane.normal.y > 0 ? box.min.y : box.max.y; + p2.y = plane.normal.y > 0 ? box.max.y : box.min.y; + p1.z = plane.normal.z > 0 ? box.min.z : box.max.z; + p2.z = plane.normal.z > 0 ? box.max.z : box.min.z; - for ( var i = 0, l = this.itemSize; i < l; i ++ ) { + var d1 = plane.distanceToPoint( p1 ); + var d2 = plane.distanceToPoint( p2 ); - this.array[ index1 + i ] = attribute.array[ index2 + i ]; + // if both outside plane, no intersection - } + if ( d1 < 0 && d2 < 0 ) { - return this; + return false; - }, + } - copyArray: function ( array ) { + } - this.array.set( array ); + return true; - return this; + }; - }, + }(), - copyColorsArray: function ( colors ) { - var array = this.array, offset = 0; + containsPoint: function ( point ) { - for ( var i = 0, l = colors.length; i < l; i ++ ) { + var planes = this.planes; - var color = colors[ i ]; + for ( var i = 0; i < 6; i ++ ) { - if ( color === undefined ) { + if ( planes[ i ].distanceToPoint( point ) < 0 ) { - console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); - color = new Color(); + return false; } - array[ offset ++ ] = color.r; - array[ offset ++ ] = color.g; - array[ offset ++ ] = color.b; - } - return this; + return true; - }, + } - copyIndicesArray: function ( indices ) { + }; - var array = this.array, offset = 0; + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - for ( var i = 0, l = indices.length; i < l; i ++ ) { + function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) { - var index = indices[ i ]; + var _gl = _renderer.context, + _state = _renderer.state, + _frustum = new Frustum(), + _projScreenMatrix = new Matrix4(), - array[ offset ++ ] = index.a; - array[ offset ++ ] = index.b; - array[ offset ++ ] = index.c; + _lightShadows = _lights.shadows, - } + _shadowMapSize = new Vector2(), + _maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ), - return this; + _lookTarget = new Vector3(), + _lightPositionWorld = new Vector3(), - }, + _renderList = [], - copyVector2sArray: function ( vectors ) { + _MorphingFlag = 1, + _SkinningFlag = 2, - var array = this.array, offset = 0; + _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1, - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + _depthMaterials = new Array( _NumberOfMaterialVariants ), + _distanceMaterials = new Array( _NumberOfMaterialVariants ), - var vector = vectors[ i ]; + _materialCache = {}; - if ( vector === undefined ) { + var cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; - console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); - vector = new Vector2(); + var cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; - } + var cube2DViewPorts = [ + new Vector4(), new Vector4(), new Vector4(), + new Vector4(), new Vector4(), new Vector4() + ]; - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; + // init - } + var depthMaterialTemplate = new MeshDepthMaterial(); + depthMaterialTemplate.depthPacking = RGBADepthPacking; + depthMaterialTemplate.clipping = true; - return this; + var distanceShader = ShaderLib[ "distanceRGBA" ]; + var distanceUniforms = UniformsUtils.clone( distanceShader.uniforms ); - }, + for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) { - copyVector3sArray: function ( vectors ) { + var useMorphing = ( i & _MorphingFlag ) !== 0; + var useSkinning = ( i & _SkinningFlag ) !== 0; - var array = this.array, offset = 0; + var depthMaterial = depthMaterialTemplate.clone(); + depthMaterial.morphTargets = useMorphing; + depthMaterial.skinning = useSkinning; - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + _depthMaterials[ i ] = depthMaterial; - var vector = vectors[ i ]; + var distanceMaterial = new ShaderMaterial( { + defines: { + 'USE_SHADOWMAP': '' + }, + uniforms: distanceUniforms, + vertexShader: distanceShader.vertexShader, + fragmentShader: distanceShader.fragmentShader, + morphTargets: useMorphing, + skinning: useSkinning, + clipping: true + } ); - if ( vector === undefined ) { + _distanceMaterials[ i ] = distanceMaterial; - console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); - vector = new Vector3(); + } - } + // - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; + var scope = this; - } + this.enabled = false; - return this; + this.autoUpdate = true; + this.needsUpdate = false; - }, + this.type = PCFShadowMap; - copyVector4sArray: function ( vectors ) { + this.renderReverseSided = true; + this.renderSingleSided = true; - var array = this.array, offset = 0; + this.render = function ( scene, camera ) { - for ( var i = 0, l = vectors.length; i < l; i ++ ) { + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; - var vector = vectors[ i ]; + if ( _lightShadows.length === 0 ) return; - if ( vector === undefined ) { + // Set GL state for depth map. + _state.clearColor( 1, 1, 1, 1 ); + _state.disable( _gl.BLEND ); + _state.setDepthTest( true ); + _state.setScissorTest( false ); - console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); - vector = new Vector4(); + // render depth map - } + var faceCount, isPointLight; - array[ offset ++ ] = vector.x; - array[ offset ++ ] = vector.y; - array[ offset ++ ] = vector.z; - array[ offset ++ ] = vector.w; + for ( var i = 0, il = _lightShadows.length; i < il; i ++ ) { - } + var light = _lightShadows[ i ]; + var shadow = light.shadow; - return this; + if ( shadow === undefined ) { - }, + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; - set: function ( value, offset ) { + } - if ( offset === undefined ) offset = 0; + var shadowCamera = shadow.camera; - this.array.set( value, offset ); + _shadowMapSize.copy( shadow.mapSize ); + _shadowMapSize.min( _maxShadowMapSize ); - return this; + if ( (light && light.isPointLight) ) { - }, + faceCount = 6; + isPointLight = true; - getX: function ( index ) { + var vpWidth = _shadowMapSize.x; + var vpHeight = _shadowMapSize.y; - return this.array[ index * this.itemSize ]; + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction - }, + // positive X + cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight ); + // negative X + cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight ); + // positive Z + cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight ); + // negative Z + cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight ); + // positive Y + cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight ); + // negative Y + cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight ); - setX: function ( index, x ) { + _shadowMapSize.x *= 4.0; + _shadowMapSize.y *= 2.0; - this.array[ index * this.itemSize ] = x; + } else { - return this; + faceCount = 1; + isPointLight = false; - }, + } - getY: function ( index ) { + if ( shadow.map === null ) { - return this.array[ index * this.itemSize + 1 ]; + var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat }; - }, + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); - setY: function ( index, y ) { + shadowCamera.updateProjectionMatrix(); - this.array[ index * this.itemSize + 1 ] = y; + } - return this; + if ( (shadow && shadow.isSpotLightShadow) ) { - }, + shadow.update( light ); - getZ: function ( index ) { + } - return this.array[ index * this.itemSize + 2 ]; + var shadowMap = shadow.map; + var shadowMatrix = shadow.matrix; - }, + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld ); - setZ: function ( index, z ) { + _renderer.setRenderTarget( shadowMap ); + _renderer.clear(); - this.array[ index * this.itemSize + 2 ] = z; + // render shadow map for each cube face (if omni-directional) or + // run a single pass if not - return this; + for ( var face = 0; face < faceCount; face ++ ) { - }, + if ( isPointLight ) { - getW: function ( index ) { + _lookTarget.copy( shadowCamera.position ); + _lookTarget.add( cubeDirections[ face ] ); + shadowCamera.up.copy( cubeUps[ face ] ); + shadowCamera.lookAt( _lookTarget ); - return this.array[ index * this.itemSize + 3 ]; + var vpDimensions = cube2DViewPorts[ face ]; + _state.viewport( vpDimensions ); - }, + } else { - setW: function ( index, w ) { + _lookTarget.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget ); - this.array[ index * this.itemSize + 3 ] = w; + } - return this; + shadowCamera.updateMatrixWorld(); + shadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld ); - }, + // compute shadow matrix - setXY: function ( index, x, y ) { + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); - index *= this.itemSize; + shadowMatrix.multiply( shadowCamera.projectionMatrix ); + shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; + // update camera matrices and frustum - return this; + _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); - }, + // set object matrices & frustum culling - setXYZ: function ( index, x, y, z ) { + _renderList.length = 0; - index *= this.itemSize; + projectObject( scene, camera, shadowCamera ); - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; + // render shadow map + // render regular objects - return this; + for ( var j = 0, jl = _renderList.length; j < jl; j ++ ) { - }, + var object = _renderList[ j ]; + var geometry = _objects.update( object ); + var material = object.material; - setXYZW: function ( index, x, y, z, w ) { + if ( (material && material.isMultiMaterial) ) { - index *= this.itemSize; + var groups = geometry.groups; + var materials = material.materials; - this.array[ index + 0 ] = x; - this.array[ index + 1 ] = y; - this.array[ index + 2 ] = z; - this.array[ index + 3 ] = w; + for ( var k = 0, kl = groups.length; k < kl; k ++ ) { - return this; + var group = groups[ k ]; + var groupMaterial = materials[ group.materialIndex ]; - }, + if ( groupMaterial.visible === true ) { - clone: function () { + var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); - return new this.constructor().copy( this ); + } - } + } - }; + } else { - // + var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld ); + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); - function Int8Attribute( array, itemSize ) { + } - return new BufferAttribute( new Int8Array( array ), itemSize ); + } - } + } - function Uint8Attribute( array, itemSize ) { + } - return new BufferAttribute( new Uint8Array( array ), itemSize ); + // Restore GL state. + var clearColor = _renderer.getClearColor(), + clearAlpha = _renderer.getClearAlpha(); + _renderer.setClearColor( clearColor, clearAlpha ); - } + scope.needsUpdate = false; - function Uint8ClampedAttribute( array, itemSize ) { + }; - return new BufferAttribute( new Uint8ClampedArray( array ), itemSize ); + function getDepthMaterial( object, material, isPointLight, lightPositionWorld ) { - } + var geometry = object.geometry; - function Int16Attribute( array, itemSize ) { + var result = null; - return new BufferAttribute( new Int16Array( array ), itemSize ); + var materialVariants = _depthMaterials; + var customMaterial = object.customDepthMaterial; - } + if ( isPointLight ) { - function Uint16Attribute( array, itemSize ) { + materialVariants = _distanceMaterials; + customMaterial = object.customDistanceMaterial; - return new BufferAttribute( new Uint16Array( array ), itemSize ); + } - } + if ( ! customMaterial ) { - function Int32Attribute( array, itemSize ) { + var useMorphing = false; - return new BufferAttribute( new Int32Array( array ), itemSize ); + if ( material.morphTargets ) { - } + if ( (geometry && geometry.isBufferGeometry) ) { - function Uint32Attribute( array, itemSize ) { + useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0; - return new BufferAttribute( new Uint32Array( array ), itemSize ); + } else if ( (geometry && geometry.isGeometry) ) { - } + useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0; - function Float32Attribute( array, itemSize ) { + } - return new BufferAttribute( new Float32Array( array ), itemSize ); + } - } + var useSkinning = object.isSkinnedMesh && material.skinning; - function Float64Attribute( array, itemSize ) { + var variantIndex = 0; - return new BufferAttribute( new Float64Array( array ), itemSize ); + if ( useMorphing ) variantIndex |= _MorphingFlag; + if ( useSkinning ) variantIndex |= _SkinningFlag; - } + result = materialVariants[ variantIndex ]; - // Deprecated + } else { - function DynamicBufferAttribute( array, itemSize ) { + result = customMaterial; - console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); - return new BufferAttribute( array, itemSize ).setDynamic( true ); + } - } + if ( _renderer.localClippingEnabled && + material.clipShadows === true && + material.clippingPlanes.length !== 0 ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author kile / http://kile.stravaganza.org/ - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author bhouston / http://clara.io - */ + // in this case we need a unique material instance reflecting the + // appropriate state - function Geometry() { + var keyA = result.uuid, keyB = material.uuid; - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + var materialsForVariant = _materialCache[ keyA ]; - this.uuid = _Math.generateUUID(); + if ( materialsForVariant === undefined ) { - this.name = ''; - this.type = 'Geometry'; + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; - this.vertices = []; - this.colors = []; - this.faces = []; - this.faceVertexUvs = [ [] ]; + } - this.morphTargets = []; - this.morphNormals = []; + var cachedMaterial = materialsForVariant[ keyB ]; - this.skinWeights = []; - this.skinIndices = []; + if ( cachedMaterial === undefined ) { - this.lineDistances = []; + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; - this.boundingBox = null; - this.boundingSphere = null; + } - // update flags + result = cachedMaterial; - this.elementsNeedUpdate = false; - this.verticesNeedUpdate = false; - this.uvsNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.lineDistancesNeedUpdate = false; - this.groupsNeedUpdate = false; + } - } + result.visible = material.visible; + result.wireframe = material.wireframe; - Object.assign( Geometry.prototype, EventDispatcher.prototype, { + var side = material.side; - isGeometry: true, + if ( scope.renderSingleSided && side == DoubleSide ) { - applyMatrix: function ( matrix ) { + side = FrontSide; - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + } - for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { + if ( scope.renderReverseSided ) { - var vertex = this.vertices[ i ]; - vertex.applyMatrix4( matrix ); + if ( side === FrontSide ) side = BackSide; + else if ( side === BackSide ) side = FrontSide; } - for ( var i = 0, il = this.faces.length; i < il; i ++ ) { + result.side = side; - var face = this.faces[ i ]; - face.normal.applyMatrix3( normalMatrix ).normalize(); + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; - face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); + if ( isPointLight && result.uniforms.lightPos !== undefined ) { - } + result.uniforms.lightPos.value.copy( lightPositionWorld ); } - if ( this.boundingBox !== null ) { + return result; - this.computeBoundingBox(); + } - } + function projectObject( object, camera, shadowCamera ) { - if ( this.boundingSphere !== null ) { + if ( object.visible === false ) return; - this.computeBoundingSphere(); + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; - } + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { - this.verticesNeedUpdate = true; - this.normalsNeedUpdate = true; + if ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) { - return this; + var material = object.material; - }, + if ( material.visible === true ) { - rotateX: function () { + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + _renderList.push( object ); - // rotate geometry around world x-axis + } - var m1; + } - return function rotateX( angle ) { + } - if ( m1 === undefined ) m1 = new Matrix4(); + var children = object.children; - m1.makeRotationX( angle ); + for ( var i = 0, l = children.length; i < l; i ++ ) { - this.applyMatrix( m1 ); + projectObject( children[ i ], camera, shadowCamera ); - return this; + } - }; + } - }(), + } - rotateY: function () { + /** + * @author bhouston / http://clara.io + */ - // rotate geometry around world y-axis + function Ray( origin, direction ) { - var m1; + this.origin = ( origin !== undefined ) ? origin : new Vector3(); + this.direction = ( direction !== undefined ) ? direction : new Vector3(); - return function rotateY( angle ) { + } - if ( m1 === undefined ) m1 = new Matrix4(); + Ray.prototype = { - m1.makeRotationY( angle ); + constructor: Ray, - this.applyMatrix( m1 ); + set: function ( origin, direction ) { - return this; + this.origin.copy( origin ); + this.direction.copy( direction ); - }; + return this; - }(), + }, - rotateZ: function () { + clone: function () { - // rotate geometry around world z-axis + return new this.constructor().copy( this ); - var m1; + }, - return function rotateZ( angle ) { + copy: function ( ray ) { - if ( m1 === undefined ) m1 = new Matrix4(); + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); - m1.makeRotationZ( angle ); + return this; - this.applyMatrix( m1 ); + }, - return this; + at: function ( t, optionalTarget ) { - }; + var result = optionalTarget || new Vector3(); - }(), + return result.copy( this.direction ).multiplyScalar( t ).add( this.origin ); - translate: function () { + }, - // translate geometry + lookAt: function ( v ) { - var m1; + this.direction.copy( v ).sub( this.origin ).normalize(); - return function translate( x, y, z ) { + return this; - if ( m1 === undefined ) m1 = new Matrix4(); + }, - m1.makeTranslation( x, y, z ); + recast: function () { - this.applyMatrix( m1 ); + var v1 = new Vector3(); + + return function recast( t ) { + + this.origin.copy( this.at( t, v1 ) ); return this; @@ -12657,132 +14420,146 @@ }(), - scale: function () { - - // scale geometry - - var m1; - - return function scale( x, y, z ) { - - if ( m1 === undefined ) m1 = new Matrix4(); - - m1.makeScale( x, y, z ); + closestPointToPoint: function ( point, optionalTarget ) { - this.applyMatrix( m1 ); + var result = optionalTarget || new Vector3(); + result.subVectors( point, this.origin ); + var directionDistance = result.dot( this.direction ); - return this; + if ( directionDistance < 0 ) { - }; + return result.copy( this.origin ); - }(), + } - lookAt: function () { + return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); - var obj; + }, - return function lookAt( vector ) { + distanceToPoint: function ( point ) { - if ( obj === undefined ) obj = new Object3D(); + return Math.sqrt( this.distanceSqToPoint( point ) ); - obj.lookAt( vector ); + }, - obj.updateMatrix(); + distanceSqToPoint: function () { - this.applyMatrix( obj.matrix ); + var v1 = new Vector3(); - }; + return function distanceSqToPoint( point ) { - }(), + var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction ); - fromBufferGeometry: function ( geometry ) { + // point behind the ray - var scope = this; + if ( directionDistance < 0 ) { - var indices = geometry.index !== null ? geometry.index.array : undefined; - var attributes = geometry.attributes; + return this.origin.distanceToSquared( point ); - var positions = attributes.position.array; - var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; - var colors = attributes.color !== undefined ? attributes.color.array : undefined; - var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; - var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; + } - if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; + v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); - var tempNormals = []; - var tempUVs = []; - var tempUVs2 = []; + return v1.distanceToSquared( point ); - for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { + }; - scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); + }(), - if ( normals !== undefined ) { + distanceSqToSegment: function () { - tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); + var segCenter = new Vector3(); + var segDir = new Vector3(); + var diff = new Vector3(); - } + return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { - if ( colors !== undefined ) { + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment - scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); + segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + segDir.copy( v1 ).sub( v0 ).normalize(); + diff.copy( this.origin ).sub( segCenter ); - } + var segExtent = v0.distanceTo( v1 ) * 0.5; + var a01 = - this.direction.dot( segDir ); + var b0 = diff.dot( this.direction ); + var b1 = - diff.dot( segDir ); + var c = diff.lengthSq(); + var det = Math.abs( 1 - a01 * a01 ); + var s0, s1, sqrDist, extDet; - if ( uvs !== undefined ) { + if ( det > 0 ) { - tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); + // The ray and segment are not parallel. - } + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; - if ( uvs2 !== undefined ) { + if ( s0 >= 0 ) { - tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); + if ( s1 >= - extDet ) { - } + if ( s1 <= extDet ) { - } + // region 0 + // Minimum at interior points of ray and segment. - function addFace( a, b, c, materialIndex ) { + var invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; - var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; - var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; + } else { - var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); + // region 1 - scope.faces.push( face ); + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - if ( uvs !== undefined ) { + } - scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); + } else { - } + // region 5 - if ( uvs2 !== undefined ) { + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); + } - } + } else { - } + if ( s1 <= - extDet ) { - if ( indices !== undefined ) { + // region 4 - var groups = geometry.groups; + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; - if ( groups.length > 0 ) { + } else if ( s1 <= extDet ) { - for ( var i = 0; i < groups.length; i ++ ) { + // region 3 - var group = groups[ i ]; + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; - var start = group.start; - var count = group.count; + } else { - for ( var j = start, jl = start + count; j < jl; j += 3 ) { + // region 2 - addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; } @@ -12790,11703 +14567,11517 @@ } else { - for ( var i = 0; i < indices.length; i += 3 ) { - - addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); + // Ray and segment are parallel. - } + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; } - } else { - - for ( var i = 0; i < positions.length / 3; i += 3 ) { + if ( optionalPointOnRay ) { - addFace( i, i + 1, i + 2 ); + optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); } - } - - this.computeFaceNormals(); - - if ( geometry.boundingBox !== null ) { + if ( optionalPointOnSegment ) { - this.boundingBox = geometry.boundingBox.clone(); + optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter ); - } + } - if ( geometry.boundingSphere !== null ) { + return sqrDist; - this.boundingSphere = geometry.boundingSphere.clone(); + }; - } + }(), - return this; + intersectSphere: function () { - }, + var v1 = new Vector3(); - center: function () { + return function intersectSphere( sphere, optionalTarget ) { - this.computeBoundingBox(); + v1.subVectors( sphere.center, this.origin ); + var tca = v1.dot( this.direction ); + var d2 = v1.dot( v1 ) - tca * tca; + var radius2 = sphere.radius * sphere.radius; - var offset = this.boundingBox.getCenter().negate(); + if ( d2 > radius2 ) return null; - this.translate( offset.x, offset.y, offset.z ); + var thc = Math.sqrt( radius2 - d2 ); - return offset; + // t0 = first intersect point - entrance on front of sphere + var t0 = tca - thc; - }, + // t1 = second intersect point - exit point on back of sphere + var t1 = tca + thc; - normalize: function () { + // test to see if both t0 and t1 are behind the ray - if so, return null + if ( t0 < 0 && t1 < 0 ) return null; - this.computeBoundingSphere(); + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, optionalTarget ); - var center = this.boundingSphere.center; - var radius = this.boundingSphere.radius; + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, optionalTarget ); - var s = radius === 0 ? 1 : 1.0 / radius; + }; - var matrix = new Matrix4(); - matrix.set( - s, 0, 0, - s * center.x, - 0, s, 0, - s * center.y, - 0, 0, s, - s * center.z, - 0, 0, 0, 1 - ); + }(), - this.applyMatrix( matrix ); + intersectsSphere: function ( sphere ) { - return this; + return this.distanceToPoint( sphere.center ) <= sphere.radius; }, - computeFaceNormals: function () { + distanceToPlane: function ( plane ) { - var cb = new Vector3(), ab = new Vector3(); + var denominator = plane.normal.dot( this.direction ); - for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { + if ( denominator === 0 ) { - var face = this.faces[ f ]; + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { - var vA = this.vertices[ face.a ]; - var vB = this.vertices[ face.b ]; - var vC = this.vertices[ face.c ]; + return 0; - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); + } - cb.normalize(); + // Null is preferable to undefined since undefined means.... it is undefined - face.normal.copy( cb ); + return null; } - }, - - computeVertexNormals: function ( areaWeighted ) { + var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; - if ( areaWeighted === undefined ) areaWeighted = true; + // Return if the ray never intersects the plane - var v, vl, f, fl, face, vertices; + return t >= 0 ? t : null; - vertices = new Array( this.vertices.length ); + }, - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + intersectPlane: function ( plane, optionalTarget ) { - vertices[ v ] = new Vector3(); + var t = this.distanceToPlane( plane ); - } + if ( t === null ) { - if ( areaWeighted ) { + return null; - // vertex normals weighted by triangle areas - // http://www.iquilezles.org/www/articles/normals/normals.htm + } - var vA, vB, vC; - var cb = new Vector3(), ab = new Vector3(); + return this.at( t, optionalTarget ); - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + }, - face = this.faces[ f ]; - vA = this.vertices[ face.a ]; - vB = this.vertices[ face.b ]; - vC = this.vertices[ face.c ]; - cb.subVectors( vC, vB ); - ab.subVectors( vA, vB ); - cb.cross( ab ); + intersectsPlane: function ( plane ) { - vertices[ face.a ].add( cb ); - vertices[ face.b ].add( cb ); - vertices[ face.c ].add( cb ); + // check if the ray lies on the plane first - } + var distToPoint = plane.distanceToPoint( this.origin ); - } else { + if ( distToPoint === 0 ) { - this.computeFaceNormals(); + return true; - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + } - face = this.faces[ f ]; + var denominator = plane.normal.dot( this.direction ); - vertices[ face.a ].add( face.normal ); - vertices[ face.b ].add( face.normal ); - vertices[ face.c ].add( face.normal ); + if ( denominator * distToPoint < 0 ) { - } + return true; } - for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { + // ray origin is behind the plane (and is pointing behind it) - vertices[ v ].normalize(); + return false; - } + }, - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + intersectBox: function ( box, optionalTarget ) { - face = this.faces[ f ]; + var tmin, tmax, tymin, tymax, tzmin, tzmax; - var vertexNormals = face.vertexNormals; + var invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; - if ( vertexNormals.length === 3 ) { + var origin = this.origin; - vertexNormals[ 0 ].copy( vertices[ face.a ] ); - vertexNormals[ 1 ].copy( vertices[ face.b ] ); - vertexNormals[ 2 ].copy( vertices[ face.c ] ); + if ( invdirx >= 0 ) { - } else { + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; - vertexNormals[ 0 ] = vertices[ face.a ].clone(); - vertexNormals[ 1 ] = vertices[ face.b ].clone(); - vertexNormals[ 2 ] = vertices[ face.c ].clone(); + } else { - } + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; } - if ( this.faces.length > 0 ) { - - this.normalsNeedUpdate = true; - - } + if ( invdiry >= 0 ) { - }, + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; - computeFlatVertexNormals: function () { + } else { - var f, fl, face; + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; - this.computeFaceNormals(); + } - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; - face = this.faces[ f ]; + // These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN - var vertexNormals = face.vertexNormals; + if ( tymin > tmin || tmin !== tmin ) tmin = tymin; - if ( vertexNormals.length === 3 ) { + if ( tymax < tmax || tmax !== tmax ) tmax = tymax; - vertexNormals[ 0 ].copy( face.normal ); - vertexNormals[ 1 ].copy( face.normal ); - vertexNormals[ 2 ].copy( face.normal ); + if ( invdirz >= 0 ) { - } else { + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; - vertexNormals[ 0 ] = face.normal.clone(); - vertexNormals[ 1 ] = face.normal.clone(); - vertexNormals[ 2 ] = face.normal.clone(); + } else { - } + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; } - if ( this.faces.length > 0 ) { - - this.normalsNeedUpdate = true; + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; - } + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; - }, + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; - computeMorphNormals: function () { + //return point closest to the ray (positive side) - var i, il, f, fl, face; + if ( tmax < 0 ) return null; - // save original normals - // - create temp variables on first access - // otherwise just copy (for faster repeated calls) + return this.at( tmin >= 0 ? tmin : tmax, optionalTarget ); - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + }, - face = this.faces[ f ]; + intersectsBox: ( function () { - if ( ! face.__originalFaceNormal ) { + var v = new Vector3(); - face.__originalFaceNormal = face.normal.clone(); + return function intersectsBox( box ) { - } else { + return this.intersectBox( box, v ) !== null; - face.__originalFaceNormal.copy( face.normal ); + }; - } + } )(), - if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; + intersectTriangle: function () { - for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { + // Compute the offset origin, edges, and normal. + var diff = new Vector3(); + var edge1 = new Vector3(); + var edge2 = new Vector3(); + var normal = new Vector3(); - if ( ! face.__originalVertexNormals[ i ] ) { + return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) { - face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); + // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h - } else { + edge1.subVectors( b, a ); + edge2.subVectors( c, a ); + normal.crossVectors( edge1, edge2 ); - face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + var DdN = this.direction.dot( normal ); + var sign; - } + if ( DdN > 0 ) { + + if ( backfaceCulling ) return null; + sign = 1; + + } else if ( DdN < 0 ) { + + sign = - 1; + DdN = - DdN; + + } else { + + return null; } - } + diff.subVectors( this.origin, a ); + var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) ); - // use temp geometry to compute face and vertex normals for each morph + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { - var tmpGeo = new Geometry(); - tmpGeo.faces = this.faces; + return null; - for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { + } - // create on first access + var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) ); - if ( ! this.morphNormals[ i ] ) { + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { - this.morphNormals[ i ] = {}; - this.morphNormals[ i ].faceNormals = []; - this.morphNormals[ i ].vertexNormals = []; + return null; - var dstNormalsFace = this.morphNormals[ i ].faceNormals; - var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; + } - var faceNormal, vertexNormals; + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + return null; - faceNormal = new Vector3(); - vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; + } - dstNormalsFace.push( faceNormal ); - dstNormalsVertex.push( vertexNormals ); + // Line intersects triangle, check if ray does. + var QdN = - sign * diff.dot( normal ); - } + // t < 0, no intersection + if ( QdN < 0 ) { + + return null; } - var morphNormals = this.morphNormals[ i ]; + // Ray intersects triangle. + return this.at( QdN / DdN, optionalTarget ); - // set vertices to morph target + }; - tmpGeo.vertices = this.morphTargets[ i ].vertices; + }(), - // compute morph normals + applyMatrix4: function ( matrix4 ) { - tmpGeo.computeFaceNormals(); - tmpGeo.computeVertexNormals(); + this.direction.add( this.origin ).applyMatrix4( matrix4 ); + this.origin.applyMatrix4( matrix4 ); + this.direction.sub( this.origin ); + this.direction.normalize(); - // store morph normals + return this; - var faceNormal, vertexNormals; + }, - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + equals: function ( ray ) { - face = this.faces[ f ]; + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); - faceNormal = morphNormals.faceNormals[ f ]; - vertexNormals = morphNormals.vertexNormals[ f ]; + } - faceNormal.copy( face.normal ); + }; - vertexNormals.a.copy( face.vertexNormals[ 0 ] ); - vertexNormals.b.copy( face.vertexNormals[ 1 ] ); - vertexNormals.c.copy( face.vertexNormals[ 2 ] ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + * @author bhouston / http://clara.io + */ - } + function Euler( x, y, z, order ) { - } + this._x = x || 0; + this._y = y || 0; + this._z = z || 0; + this._order = order || Euler.DefaultOrder; - // restore original normals + } - for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { + Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; - face = this.faces[ f ]; + Euler.DefaultOrder = 'XYZ'; - face.normal = face.__originalFaceNormal; - face.vertexNormals = face.__originalVertexNormals; + Euler.prototype = { - } + constructor: Euler, + + isEuler: true, + + get x () { + + return this._x; }, - computeTangents: function () { + set x ( value ) { - console.warn( 'THREE.Geometry: .computeTangents() has been removed.' ); + this._x = value; + this.onChangeCallback(); }, - computeLineDistances: function () { + get y () { - var d = 0; - var vertices = this.vertices; + return this._y; - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + }, - if ( i > 0 ) { + set y ( value ) { - d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); + this._y = value; + this.onChangeCallback(); - } + }, - this.lineDistances[ i ] = d; + get z () { - } + return this._z; }, - computeBoundingBox: function () { + set z ( value ) { - if ( this.boundingBox === null ) { + this._z = value; + this.onChangeCallback(); - this.boundingBox = new Box3(); + }, - } + get order () { - this.boundingBox.setFromPoints( this.vertices ); + return this._order; }, - computeBoundingSphere: function () { + set order ( value ) { - if ( this.boundingSphere === null ) { + this._order = value; + this.onChangeCallback(); - this.boundingSphere = new Sphere(); + }, - } + set: function ( x, y, z, order ) { - this.boundingSphere.setFromPoints( this.vertices ); + this._x = x; + this._y = y; + this._z = z; + this._order = order || this._order; + + this.onChangeCallback(); + + return this; }, - merge: function ( geometry, matrix, materialIndexOffset ) { + clone: function () { - if ( (geometry && geometry.isGeometry) === false ) { + return new this.constructor( this._x, this._y, this._z, this._order ); - console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); - return; + }, - } + copy: function ( euler ) { - var normalMatrix, - vertexOffset = this.vertices.length, - vertices1 = this.vertices, - vertices2 = geometry.vertices, - faces1 = this.faces, - faces2 = geometry.faces, - uvs1 = this.faceVertexUvs[ 0 ], - uvs2 = geometry.faceVertexUvs[ 0 ], - colors1 = this.colors, - colors2 = geometry.colors; + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; - if ( materialIndexOffset === undefined ) materialIndexOffset = 0; + this.onChangeCallback(); - if ( matrix !== undefined ) { + return this; - normalMatrix = new Matrix3().getNormalMatrix( matrix ); + }, - } + setFromRotationMatrix: function ( m, order, update ) { - // vertices + var clamp = _Math.clamp; - for ( var i = 0, il = vertices2.length; i < il; i ++ ) { + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - var vertex = vertices2[ i ]; + var te = m.elements; + var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; - var vertexCopy = vertex.clone(); + order = order || this._order; - if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); + if ( order === 'XYZ' ) { - vertices1.push( vertexCopy ); + this._y = Math.asin( clamp( m13, - 1, 1 ) ); - } + if ( Math.abs( m13 ) < 0.99999 ) { - // colors + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); - for ( var i = 0, il = colors2.length; i < il; i ++ ) { + } else { - colors1.push( colors2[ i ].clone() ); + this._x = Math.atan2( m32, m22 ); + this._z = 0; - } + } - // faces + } else if ( order === 'YXZ' ) { - for ( i = 0, il = faces2.length; i < il; i ++ ) { + this._x = Math.asin( - clamp( m23, - 1, 1 ) ); - var face = faces2[ i ], faceCopy, normal, color, - faceVertexNormals = face.vertexNormals, - faceVertexColors = face.vertexColors; + if ( Math.abs( m23 ) < 0.99999 ) { - faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); - faceCopy.normal.copy( face.normal ); + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); - if ( normalMatrix !== undefined ) { + } else { - faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); + this._y = Math.atan2( - m31, m11 ); + this._z = 0; } - for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { + } else if ( order === 'ZXY' ) { - normal = faceVertexNormals[ j ].clone(); + this._x = Math.asin( clamp( m32, - 1, 1 ) ); - if ( normalMatrix !== undefined ) { + if ( Math.abs( m32 ) < 0.99999 ) { - normal.applyMatrix3( normalMatrix ).normalize(); + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); - } + } else { - faceCopy.vertexNormals.push( normal ); + this._y = 0; + this._z = Math.atan2( m21, m11 ); } - faceCopy.color.copy( face.color ); + } else if ( order === 'ZYX' ) { - for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { + this._y = Math.asin( - clamp( m31, - 1, 1 ) ); - color = faceVertexColors[ j ]; - faceCopy.vertexColors.push( color.clone() ); + if ( Math.abs( m31 ) < 0.99999 ) { - } + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); - faceCopy.materialIndex = face.materialIndex + materialIndexOffset; + } else { - faces1.push( faceCopy ); + this._x = 0; + this._z = Math.atan2( - m12, m22 ); - } + } - // uvs + } else if ( order === 'YZX' ) { - for ( i = 0, il = uvs2.length; i < il; i ++ ) { + this._z = Math.asin( clamp( m21, - 1, 1 ) ); - var uv = uvs2[ i ], uvCopy = []; + if ( Math.abs( m21 ) < 0.99999 ) { - if ( uv === undefined ) { + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); - continue; + } else { + + this._x = 0; + this._y = Math.atan2( m13, m33 ); } - for ( var j = 0, jl = uv.length; j < jl; j ++ ) { + } else if ( order === 'XZY' ) { - uvCopy.push( uv[ j ].clone() ); + this._z = Math.asin( - clamp( m12, - 1, 1 ) ); - } + if ( Math.abs( m12 ) < 0.99999 ) { - uvs1.push( uvCopy ); + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); - } + } else { - }, + this._x = Math.atan2( - m23, m33 ); + this._y = 0; - mergeMesh: function ( mesh ) { + } - if ( (mesh && mesh.isMesh) === false ) { + } else { - console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); - return; + console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order ); } - mesh.matrixAutoUpdate && mesh.updateMatrix(); - - this.merge( mesh.geometry, mesh.matrix ); - - }, + this._order = order; - /* - * Checks for duplicate vertices with hashmap. - * Duplicated vertices are removed - * and faces' vertices are updated. - */ + if ( update !== false ) this.onChangeCallback(); - mergeVertices: function () { + return this; - var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) - var unique = [], changes = []; + }, - var v, key; - var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 - var precision = Math.pow( 10, precisionPoints ); - var i, il, face; - var indices, j, jl; + setFromQuaternion: function () { - for ( i = 0, il = this.vertices.length; i < il; i ++ ) { + var matrix; - v = this.vertices[ i ]; - key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); + return function setFromQuaternion( q, order, update ) { - if ( verticesMap[ key ] === undefined ) { + if ( matrix === undefined ) matrix = new Matrix4(); - verticesMap[ key ] = i; - unique.push( this.vertices[ i ] ); - changes[ i ] = unique.length - 1; + matrix.makeRotationFromQuaternion( q ); - } else { + return this.setFromRotationMatrix( matrix, order, update ); - //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); - changes[ i ] = changes[ verticesMap[ key ] ]; + }; - } + }(), - } + setFromVector3: function ( v, order ) { + return this.set( v.x, v.y, v.z, order || this._order ); - // if faces are completely degenerate after merging vertices, we - // have to remove them from the geometry. - var faceIndicesToRemove = []; + }, - for ( i = 0, il = this.faces.length; i < il; i ++ ) { + reorder: function () { - face = this.faces[ i ]; + // WARNING: this discards revolution information -bhouston - face.a = changes[ face.a ]; - face.b = changes[ face.b ]; - face.c = changes[ face.c ]; + var q = new Quaternion(); - indices = [ face.a, face.b, face.c ]; + return function reorder( newOrder ) { - var dupIndex = - 1; + q.setFromEuler( this ); - // if any duplicate vertices are found in a Face3 - // we have to remove the face as nothing can be saved - for ( var n = 0; n < 3; n ++ ) { + return this.setFromQuaternion( q, newOrder ); - if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { + }; - dupIndex = n; - faceIndicesToRemove.push( i ); - break; + }(), - } + equals: function ( euler ) { - } + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); - } + }, - for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { + fromArray: function ( array ) { - var idx = faceIndicesToRemove[ i ]; + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; - this.faces.splice( idx, 1 ); + this.onChangeCallback(); - for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { + return this; - this.faceVertexUvs[ j ].splice( idx, 1 ); + }, - } + toArray: function ( array, offset ) { - } + if ( array === undefined ) array = []; + if ( offset === undefined ) offset = 0; - // Use unique set of vertices + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; - var diff = this.vertices.length - unique.length; - this.vertices = unique; - return diff; + return array; }, - sortFacesByMaterialIndex: function () { + toVector3: function ( optionalResult ) { - var faces = this.faces; - var length = faces.length; + if ( optionalResult ) { - // tag faces + return optionalResult.set( this._x, this._y, this._z ); - for ( var i = 0; i < length; i ++ ) { + } else { - faces[ i ]._id = i; + return new Vector3( this._x, this._y, this._z ); } - // sort faces + }, - function materialIndexSort( a, b ) { + onChange: function ( callback ) { - return a.materialIndex - b.materialIndex; + this.onChangeCallback = callback; - } + return this; - faces.sort( materialIndexSort ); + }, - // sort uvs + onChangeCallback: function () {} - var uvs1 = this.faceVertexUvs[ 0 ]; - var uvs2 = this.faceVertexUvs[ 1 ]; + }; - var newUvs1, newUvs2; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( uvs1 && uvs1.length === length ) newUvs1 = []; - if ( uvs2 && uvs2.length === length ) newUvs2 = []; + function Layers() { - for ( var i = 0; i < length; i ++ ) { + this.mask = 1; - var id = faces[ i ]._id; + } - if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); - if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); + Layers.prototype = { - } + constructor: Layers, - if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; - if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; + set: function ( channel ) { + + this.mask = 1 << channel; }, - toJSON: function () { + enable: function ( channel ) { - var data = { - metadata: { - version: 4.4, - type: 'Geometry', - generator: 'Geometry.toJSON' - } - }; + this.mask |= 1 << channel; - // standard Geometry serialization + }, - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; + toggle: function ( channel ) { - if ( this.parameters !== undefined ) { + this.mask ^= 1 << channel; - var parameters = this.parameters; + }, - for ( var key in parameters ) { + disable: function ( channel ) { - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + this.mask &= ~ ( 1 << channel ); - } + }, - return data; + test: function ( layers ) { - } + return ( this.mask & layers.mask ) !== 0; - var vertices = []; + } - for ( var i = 0; i < this.vertices.length; i ++ ) { + }; - var vertex = this.vertices[ i ]; - vertices.push( vertex.x, vertex.y, vertex.z ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author WestLangley / http://github.com/WestLangley + * @author elephantatwork / www.elephantatwork.ch + */ - } + function Object3D() { - var faces = []; - var normals = []; - var normalsHash = {}; - var colors = []; - var colorsHash = {}; - var uvs = []; - var uvsHash = {}; + Object.defineProperty( this, 'id', { value: Object3DIdCount() } ); - for ( var i = 0; i < this.faces.length; i ++ ) { + this.uuid = _Math.generateUUID(); - var face = this.faces[ i ]; + this.name = ''; + this.type = 'Object3D'; - var hasMaterial = true; - var hasFaceUv = false; // deprecated - var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; - var hasFaceNormal = face.normal.length() > 0; - var hasFaceVertexNormal = face.vertexNormals.length > 0; - var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; - var hasFaceVertexColor = face.vertexColors.length > 0; + this.parent = null; + this.children = []; - var faceType = 0; + this.up = Object3D.DefaultUp.clone(); - faceType = setBit( faceType, 0, 0 ); // isQuad - faceType = setBit( faceType, 1, hasMaterial ); - faceType = setBit( faceType, 2, hasFaceUv ); - faceType = setBit( faceType, 3, hasFaceVertexUv ); - faceType = setBit( faceType, 4, hasFaceNormal ); - faceType = setBit( faceType, 5, hasFaceVertexNormal ); - faceType = setBit( faceType, 6, hasFaceColor ); - faceType = setBit( faceType, 7, hasFaceVertexColor ); + var position = new Vector3(); + var rotation = new Euler(); + var quaternion = new Quaternion(); + var scale = new Vector3( 1, 1, 1 ); - faces.push( faceType ); - faces.push( face.a, face.b, face.c ); - faces.push( face.materialIndex ); + function onRotationChange() { - if ( hasFaceVertexUv ) { + quaternion.setFromEuler( rotation, false ); - var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; + } - faces.push( - getUvIndex( faceVertexUvs[ 0 ] ), - getUvIndex( faceVertexUvs[ 1 ] ), - getUvIndex( faceVertexUvs[ 2 ] ) - ); + function onQuaternionChange() { - } + rotation.setFromQuaternion( quaternion, undefined, false ); - if ( hasFaceNormal ) { + } - faces.push( getNormalIndex( face.normal ) ); + rotation.onChange( onRotationChange ); + quaternion.onChange( onQuaternionChange ); - } + Object.defineProperties( this, { + position: { + enumerable: true, + value: position + }, + rotation: { + enumerable: true, + value: rotation + }, + quaternion: { + enumerable: true, + value: quaternion + }, + scale: { + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); - if ( hasFaceVertexNormal ) { + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); - var vertexNormals = face.vertexNormals; + this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; + this.matrixWorldNeedsUpdate = false; - faces.push( - getNormalIndex( vertexNormals[ 0 ] ), - getNormalIndex( vertexNormals[ 1 ] ), - getNormalIndex( vertexNormals[ 2 ] ) - ); + this.layers = new Layers(); + this.visible = true; - } + this.castShadow = false; + this.receiveShadow = false; - if ( hasFaceColor ) { + this.frustumCulled = true; + this.renderOrder = 0; - faces.push( getColorIndex( face.color ) ); + this.userData = {}; - } + this.onBeforeRender = function(){}; + this.onAfterRender = function(){}; - if ( hasFaceVertexColor ) { + } - var vertexColors = face.vertexColors; + Object3D.DefaultUp = new Vector3( 0, 1, 0 ); + Object3D.DefaultMatrixAutoUpdate = true; - faces.push( - getColorIndex( vertexColors[ 0 ] ), - getColorIndex( vertexColors[ 1 ] ), - getColorIndex( vertexColors[ 2 ] ) - ); + Object.assign( Object3D.prototype, EventDispatcher.prototype, { - } + isObject3D: true, - } + applyMatrix: function ( matrix ) { - function setBit( value, position, enabled ) { + this.matrix.multiplyMatrices( matrix, this.matrix ); - return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); + this.matrix.decompose( this.position, this.quaternion, this.scale ); - } + }, - function getNormalIndex( normal ) { + setRotationFromAxisAngle: function ( axis, angle ) { - var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); + // assumes axis is normalized - if ( normalsHash[ hash ] !== undefined ) { + this.quaternion.setFromAxisAngle( axis, angle ); - return normalsHash[ hash ]; + }, - } + setRotationFromEuler: function ( euler ) { - normalsHash[ hash ] = normals.length / 3; - normals.push( normal.x, normal.y, normal.z ); + this.quaternion.setFromEuler( euler, true ); - return normalsHash[ hash ]; + }, - } + setRotationFromMatrix: function ( m ) { - function getColorIndex( color ) { + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) - var hash = color.r.toString() + color.g.toString() + color.b.toString(); + this.quaternion.setFromRotationMatrix( m ); - if ( colorsHash[ hash ] !== undefined ) { + }, - return colorsHash[ hash ]; + setRotationFromQuaternion: function ( q ) { - } + // assumes q is normalized - colorsHash[ hash ] = colors.length; - colors.push( color.getHex() ); + this.quaternion.copy( q ); - return colorsHash[ hash ]; + }, - } + rotateOnAxis: function () { - function getUvIndex( uv ) { + // rotate object on axis in object space + // axis is assumed to be normalized - var hash = uv.x.toString() + uv.y.toString(); + var q1 = new Quaternion(); - if ( uvsHash[ hash ] !== undefined ) { + return function rotateOnAxis( axis, angle ) { - return uvsHash[ hash ]; + q1.setFromAxisAngle( axis, angle ); - } + this.quaternion.multiply( q1 ); - uvsHash[ hash ] = uvs.length / 2; - uvs.push( uv.x, uv.y ); + return this; - return uvsHash[ hash ]; + }; - } + }(), - data.data = {}; + rotateX: function () { - data.data.vertices = vertices; - data.data.normals = normals; - if ( colors.length > 0 ) data.data.colors = colors; - if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility - data.data.faces = faces; + var v1 = new Vector3( 1, 0, 0 ); - return data; + return function rotateX( angle ) { - }, + return this.rotateOnAxis( v1, angle ); - clone: function () { + }; - /* - // Handle primitives + }(), - var parameters = this.parameters; + rotateY: function () { - if ( parameters !== undefined ) { + var v1 = new Vector3( 0, 1, 0 ); - var values = []; + return function rotateY( angle ) { - for ( var key in parameters ) { + return this.rotateOnAxis( v1, angle ); - values.push( parameters[ key ] ); + }; - } + }(), - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; + rotateZ: function () { - } + var v1 = new Vector3( 0, 0, 1 ); - return new this.constructor().copy( this ); - */ + return function rotateZ( angle ) { - return new Geometry().copy( this ); + return this.rotateOnAxis( v1, angle ); - }, + }; - copy: function ( source ) { + }(), - this.vertices = []; - this.faces = []; - this.faceVertexUvs = [ [] ]; - this.colors = []; + translateOnAxis: function () { - var vertices = source.vertices; + // translate object by distance along axis in object space + // axis is assumed to be normalized - for ( var i = 0, il = vertices.length; i < il; i ++ ) { + var v1 = new Vector3(); - this.vertices.push( vertices[ i ].clone() ); + return function translateOnAxis( axis, distance ) { - } + v1.copy( axis ).applyQuaternion( this.quaternion ); - var colors = source.colors; + this.position.add( v1.multiplyScalar( distance ) ); - for ( var i = 0, il = colors.length; i < il; i ++ ) { + return this; - this.colors.push( colors[ i ].clone() ); + }; - } + }(), - var faces = source.faces; + translateX: function () { - for ( var i = 0, il = faces.length; i < il; i ++ ) { + var v1 = new Vector3( 1, 0, 0 ); - this.faces.push( faces[ i ].clone() ); + return function translateX( distance ) { - } + return this.translateOnAxis( v1, distance ); - for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { + }; - var faceVertexUvs = source.faceVertexUvs[ i ]; + }(), - if ( this.faceVertexUvs[ i ] === undefined ) { + translateY: function () { - this.faceVertexUvs[ i ] = []; + var v1 = new Vector3( 0, 1, 0 ); - } + return function translateY( distance ) { - for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { + return this.translateOnAxis( v1, distance ); - var uvs = faceVertexUvs[ j ], uvsCopy = []; + }; - for ( var k = 0, kl = uvs.length; k < kl; k ++ ) { + }(), - var uv = uvs[ k ]; + translateZ: function () { - uvsCopy.push( uv.clone() ); + var v1 = new Vector3( 0, 0, 1 ); - } + return function translateZ( distance ) { - this.faceVertexUvs[ i ].push( uvsCopy ); + return this.translateOnAxis( v1, distance ); - } + }; - } + }(), - return this; + localToWorld: function ( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); }, - dispose: function () { + worldToLocal: function () { - this.dispatchEvent( { type: 'dispose' } ); + var m1 = new Matrix4(); - } + return function worldToLocal( vector ) { - } ); + return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) ); - var count$3 = 0; - function GeometryIdCount() { return count$3++; } + }; - /** - * @author mrdoob / http://mrdoob.com/ - */ + }(), - function DirectGeometry() { + lookAt: function () { - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + // This routine does not support objects with rotated and/or translated parent(s) - this.uuid = _Math.generateUUID(); + var m1 = new Matrix4(); - this.name = ''; - this.type = 'DirectGeometry'; + return function lookAt( vector ) { - this.indices = []; - this.vertices = []; - this.normals = []; - this.colors = []; - this.uvs = []; - this.uvs2 = []; + m1.lookAt( vector, this.position, this.up ); - this.groups = []; + this.quaternion.setFromRotationMatrix( m1 ); - this.morphTargets = {}; + }; - this.skinWeights = []; - this.skinIndices = []; + }(), - // this.lineDistances = []; + add: function ( object ) { - this.boundingBox = null; - this.boundingSphere = null; + if ( arguments.length > 1 ) { - // update flags + for ( var i = 0; i < arguments.length; i ++ ) { - this.verticesNeedUpdate = false; - this.normalsNeedUpdate = false; - this.colorsNeedUpdate = false; - this.uvsNeedUpdate = false; - this.groupsNeedUpdate = false; + this.add( arguments[ i ] ); - } + } - Object.assign( DirectGeometry.prototype, EventDispatcher.prototype, { + return this; - computeBoundingBox: Geometry.prototype.computeBoundingBox, - computeBoundingSphere: Geometry.prototype.computeBoundingSphere, + } - computeFaceNormals: function () { + if ( object === this ) { - console.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' ); + console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object ); + return this; - }, + } - computeVertexNormals: function () { + if ( (object && object.isObject3D) ) { - console.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' ); + if ( object.parent !== null ) { - }, + object.parent.remove( object ); - computeGroups: function ( geometry ) { + } - var group; - var groups = []; - var materialIndex; + object.parent = this; + object.dispatchEvent( { type: 'added' } ); - var faces = geometry.faces; + this.children.push( object ); - for ( var i = 0; i < faces.length; i ++ ) { + } else { - var face = faces[ i ]; + console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object ); - // materials + } - if ( face.materialIndex !== materialIndex ) { + return this; - materialIndex = face.materialIndex; + }, - if ( group !== undefined ) { + remove: function ( object ) { - group.count = ( i * 3 ) - group.start; - groups.push( group ); + if ( arguments.length > 1 ) { - } + for ( var i = 0; i < arguments.length; i ++ ) { - group = { - start: i * 3, - materialIndex: materialIndex - }; + this.remove( arguments[ i ] ); } } - if ( group !== undefined ) { + var index = this.children.indexOf( object ); - group.count = ( i * 3 ) - group.start; - groups.push( group ); + if ( index !== - 1 ) { - } + object.parent = null; - this.groups = groups; + object.dispatchEvent( { type: 'removed' } ); + + this.children.splice( index, 1 ); + + } }, - fromGeometry: function ( geometry ) { + getObjectById: function ( id ) { - var faces = geometry.faces; - var vertices = geometry.vertices; - var faceVertexUvs = geometry.faceVertexUvs; + return this.getObjectByProperty( 'id', id ); - var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; - var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; + }, - // morphs + getObjectByName: function ( name ) { - var morphTargets = geometry.morphTargets; - var morphTargetsLength = morphTargets.length; + return this.getObjectByProperty( 'name', name ); - var morphTargetsPosition; + }, - if ( morphTargetsLength > 0 ) { + getObjectByProperty: function ( name, value ) { - morphTargetsPosition = []; + if ( this[ name ] === value ) return this; - for ( var i = 0; i < morphTargetsLength; i ++ ) { + for ( var i = 0, l = this.children.length; i < l; i ++ ) { - morphTargetsPosition[ i ] = []; + var child = this.children[ i ]; + var object = child.getObjectByProperty( name, value ); - } + if ( object !== undefined ) { - this.morphTargets.position = morphTargetsPosition; + return object; + + } } - var morphNormals = geometry.morphNormals; - var morphNormalsLength = morphNormals.length; + return undefined; - var morphTargetsNormal; + }, - if ( morphNormalsLength > 0 ) { + getWorldPosition: function ( optionalTarget ) { - morphTargetsNormal = []; + var result = optionalTarget || new Vector3(); - for ( var i = 0; i < morphNormalsLength; i ++ ) { + this.updateMatrixWorld( true ); - morphTargetsNormal[ i ] = []; + return result.setFromMatrixPosition( this.matrixWorld ); - } + }, - this.morphTargets.normal = morphTargetsNormal; + getWorldQuaternion: function () { - } + var position = new Vector3(); + var scale = new Vector3(); - // skins + return function getWorldQuaternion( optionalTarget ) { - var skinIndices = geometry.skinIndices; - var skinWeights = geometry.skinWeights; + var result = optionalTarget || new Quaternion(); - var hasSkinIndices = skinIndices.length === vertices.length; - var hasSkinWeights = skinWeights.length === vertices.length; + this.updateMatrixWorld( true ); - // + this.matrixWorld.decompose( position, result, scale ); - for ( var i = 0; i < faces.length; i ++ ) { + return result; - var face = faces[ i ]; + }; - this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); + }(), - var vertexNormals = face.vertexNormals; + getWorldRotation: function () { - if ( vertexNormals.length === 3 ) { + var quaternion = new Quaternion(); - this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); + return function getWorldRotation( optionalTarget ) { - } else { + var result = optionalTarget || new Euler(); - var normal = face.normal; + this.getWorldQuaternion( quaternion ); - this.normals.push( normal, normal, normal ); + return result.setFromQuaternion( quaternion, this.rotation.order, false ); - } + }; - var vertexColors = face.vertexColors; + }(), - if ( vertexColors.length === 3 ) { + getWorldScale: function () { - this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); + var position = new Vector3(); + var quaternion = new Quaternion(); - } else { + return function getWorldScale( optionalTarget ) { - var color = face.color; + var result = optionalTarget || new Vector3(); - this.colors.push( color, color, color ); + this.updateMatrixWorld( true ); - } + this.matrixWorld.decompose( position, quaternion, result ); - if ( hasFaceVertexUv === true ) { + return result; - var vertexUvs = faceVertexUvs[ 0 ][ i ]; + }; - if ( vertexUvs !== undefined ) { + }(), - this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + getWorldDirection: function () { - } else { + var quaternion = new Quaternion(); - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); + return function getWorldDirection( optionalTarget ) { - this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); + var result = optionalTarget || new Vector3(); - } - - } - - if ( hasFaceVertexUv2 === true ) { + this.getWorldQuaternion( quaternion ); - var vertexUvs = faceVertexUvs[ 1 ][ i ]; + return result.set( 0, 0, 1 ).applyQuaternion( quaternion ); - if ( vertexUvs !== undefined ) { + }; - this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); + }(), - } else { + raycast: function () {}, - console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); + traverse: function ( callback ) { - this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); + callback( this ); - } + var children = this.children; - } + for ( var i = 0, l = children.length; i < l; i ++ ) { - // morphs + children[ i ].traverse( callback ); - for ( var j = 0; j < morphTargetsLength; j ++ ) { + } - var morphTarget = morphTargets[ j ].vertices; + }, - morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); + traverseVisible: function ( callback ) { - } + if ( this.visible === false ) return; - for ( var j = 0; j < morphNormalsLength; j ++ ) { + callback( this ); - var morphNormal = morphNormals[ j ].vertexNormals[ i ]; + var children = this.children; - morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c ); + for ( var i = 0, l = children.length; i < l; i ++ ) { - } + children[ i ].traverseVisible( callback ); - // skins + } - if ( hasSkinIndices ) { + }, - this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); + traverseAncestors: function ( callback ) { - } + var parent = this.parent; - if ( hasSkinWeights ) { + if ( parent !== null ) { - this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); + callback( parent ); - } + parent.traverseAncestors( callback ); } - this.computeGroups( geometry ); - - this.verticesNeedUpdate = geometry.verticesNeedUpdate; - this.normalsNeedUpdate = geometry.normalsNeedUpdate; - this.colorsNeedUpdate = geometry.colorsNeedUpdate; - this.uvsNeedUpdate = geometry.uvsNeedUpdate; - this.groupsNeedUpdate = geometry.groupsNeedUpdate; - - return this; - }, - dispose: function () { - - this.dispatchEvent( { type: 'dispose' } ); - - } + updateMatrix: function () { - } ); + this.matrix.compose( this.position, this.quaternion, this.scale ); - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + this.matrixWorldNeedsUpdate = true; - function BufferGeometry() { + }, - Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); + updateMatrixWorld: function ( force ) { - this.uuid = _Math.generateUUID(); + if ( this.matrixAutoUpdate === true ) this.updateMatrix(); - this.name = ''; - this.type = 'BufferGeometry'; + if ( this.matrixWorldNeedsUpdate === true || force === true ) { - this.index = null; - this.attributes = {}; + if ( this.parent === null ) { - this.morphAttributes = {}; + this.matrixWorld.copy( this.matrix ); - this.groups = []; + } else { - this.boundingBox = null; - this.boundingSphere = null; + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); - this.drawRange = { start: 0, count: Infinity }; + } - } + this.matrixWorldNeedsUpdate = false; - Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, { + force = true; - isBufferGeometry: true, + } - getIndex: function () { + // update children - return this.index; + var children = this.children; - }, + for ( var i = 0, l = children.length; i < l; i ++ ) { - setIndex: function ( index ) { + children[ i ].updateMatrixWorld( force ); - this.index = index; + } }, - addAttribute: function ( name, attribute ) { + toJSON: function ( meta ) { - if ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) { + // meta is '' when called from JSON.stringify + var isRootObject = ( meta === undefined || meta === '' ); - console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + var output = {}; - this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { - return; + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {} + }; - } + output.metadata = { + version: 4.4, + type: 'Object', + generator: 'Object3D.toJSON' + }; - if ( name === 'index' ) { + } - console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); - this.setIndex( attribute ); + // standard Object3D serialization - return; + var object = {}; - } + object.uuid = this.uuid; + object.type = this.type; - this.attributes[ name ] = attribute; + if ( this.name !== '' ) object.name = this.name; + if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; - return this; + object.matrix = this.matrix.toArray(); - }, + // - getAttribute: function ( name ) { + if ( this.geometry !== undefined ) { - return this.attributes[ name ]; + if ( meta.geometries[ this.geometry.uuid ] === undefined ) { - }, + meta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta ); - removeAttribute: function ( name ) { + } - delete this.attributes[ name ]; + object.geometry = this.geometry.uuid; - return this; + } - }, + if ( this.material !== undefined ) { - addGroup: function ( start, count, materialIndex ) { + if ( meta.materials[ this.material.uuid ] === undefined ) { - this.groups.push( { + meta.materials[ this.material.uuid ] = this.material.toJSON( meta ); - start: start, - count: count, - materialIndex: materialIndex !== undefined ? materialIndex : 0 + } - } ); + object.material = this.material.uuid; - }, + } - clearGroups: function () { + // - this.groups = []; + if ( this.children.length > 0 ) { - }, + object.children = []; - setDrawRange: function ( start, count ) { + for ( var i = 0; i < this.children.length; i ++ ) { - this.drawRange.start = start; - this.drawRange.count = count; + object.children.push( this.children[ i ].toJSON( meta ).object ); - }, + } - applyMatrix: function ( matrix ) { + } - var position = this.attributes.position; + if ( isRootObject ) { - if ( position !== undefined ) { + var geometries = extractFromCache( meta.geometries ); + var materials = extractFromCache( meta.materials ); + var textures = extractFromCache( meta.textures ); + var images = extractFromCache( meta.images ); - matrix.applyToVector3Array( position.array ); - position.needsUpdate = true; + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; } - var normal = this.attributes.normal; + output.object = object; - if ( normal !== undefined ) { + return output; - var normalMatrix = new Matrix3().getNormalMatrix( matrix ); + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { - normalMatrix.applyToVector3Array( normal.array ); - normal.needsUpdate = true; + var values = []; + for ( var key in cache ) { + + var data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + return values; } - if ( this.boundingBox !== null ) { + }, - this.computeBoundingBox(); + clone: function ( recursive ) { - } + return new this.constructor().copy( this, recursive ); - if ( this.boundingSphere !== null ) { + }, - this.computeBoundingSphere(); + copy: function ( source, recursive ) { - } + if ( recursive === undefined ) recursive = true; - return this; + this.name = source.name; - }, + this.up.copy( source.up ); - rotateX: function () { + this.position.copy( source.position ); + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); - // rotate geometry around world x-axis + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); - var m1; + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; - return function rotateX( angle ) { + this.visible = source.visible; - if ( m1 === undefined ) m1 = new Matrix4(); + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; - m1.makeRotationX( angle ); + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; - this.applyMatrix( m1 ); + this.userData = JSON.parse( JSON.stringify( source.userData ) ); - return this; + if ( recursive === true ) { - }; + for ( var i = 0; i < source.children.length; i ++ ) { - }(), + var child = source.children[ i ]; + this.add( child.clone() ); - rotateY: function () { + } - // rotate geometry around world y-axis + } - var m1; + return this; - return function rotateY( angle ) { + } - if ( m1 === undefined ) m1 = new Matrix4(); + } ); - m1.makeRotationY( angle ); + var count$2 = 0; + function Object3DIdCount() { return count$2++; } - this.applyMatrix( m1 ); + /** + * @author bhouston / http://clara.io + */ - return this; + function Line3( start, end ) { - }; + this.start = ( start !== undefined ) ? start : new Vector3(); + this.end = ( end !== undefined ) ? end : new Vector3(); - }(), + } - rotateZ: function () { + Line3.prototype = { - // rotate geometry around world z-axis + constructor: Line3, - var m1; + set: function ( start, end ) { - return function rotateZ( angle ) { + this.start.copy( start ); + this.end.copy( end ); - if ( m1 === undefined ) m1 = new Matrix4(); + return this; - m1.makeRotationZ( angle ); + }, - this.applyMatrix( m1 ); + clone: function () { - return this; + return new this.constructor().copy( this ); - }; + }, - }(), + copy: function ( line ) { - translate: function () { + this.start.copy( line.start ); + this.end.copy( line.end ); - // translate geometry + return this; - var m1; + }, - return function translate( x, y, z ) { + getCenter: function ( optionalTarget ) { - if ( m1 === undefined ) m1 = new Matrix4(); + var result = optionalTarget || new Vector3(); + return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); - m1.makeTranslation( x, y, z ); + }, - this.applyMatrix( m1 ); + delta: function ( optionalTarget ) { - return this; + var result = optionalTarget || new Vector3(); + return result.subVectors( this.end, this.start ); - }; + }, - }(), + distanceSq: function () { - scale: function () { + return this.start.distanceToSquared( this.end ); - // scale geometry + }, - var m1; + distance: function () { - return function scale( x, y, z ) { + return this.start.distanceTo( this.end ); - if ( m1 === undefined ) m1 = new Matrix4(); + }, - m1.makeScale( x, y, z ); + at: function ( t, optionalTarget ) { - this.applyMatrix( m1 ); + var result = optionalTarget || new Vector3(); - return this; + return this.delta( result ).multiplyScalar( t ).add( this.start ); - }; + }, - }(), + closestPointToPointParameter: function () { - lookAt: function () { + var startP = new Vector3(); + var startEnd = new Vector3(); - var obj; + return function closestPointToPointParameter( point, clampToLine ) { - return function lookAt( vector ) { + startP.subVectors( point, this.start ); + startEnd.subVectors( this.end, this.start ); - if ( obj === undefined ) obj = new Object3D(); + var startEnd2 = startEnd.dot( startEnd ); + var startEnd_startP = startEnd.dot( startP ); - obj.lookAt( vector ); + var t = startEnd_startP / startEnd2; - obj.updateMatrix(); + if ( clampToLine ) { - this.applyMatrix( obj.matrix ); + t = _Math.clamp( t, 0, 1 ); + + } + + return t; }; }(), - center: function () { - - this.computeBoundingBox(); + closestPointToPoint: function ( point, clampToLine, optionalTarget ) { - var offset = this.boundingBox.getCenter().negate(); + var t = this.closestPointToPointParameter( point, clampToLine ); - this.translate( offset.x, offset.y, offset.z ); + var result = optionalTarget || new Vector3(); - return offset; + return this.delta( result ).multiplyScalar( t ).add( this.start ); }, - setFromObject: function ( object ) { - - // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); + applyMatrix4: function ( matrix ) { - var geometry = object.geometry; + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); - if ( (object && object.isPoints) || (object && object.isLine) ) { + return this; - var positions = new Float32Attribute( geometry.vertices.length * 3, 3 ); - var colors = new Float32Attribute( geometry.colors.length * 3, 3 ); + }, - this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); - this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); + equals: function ( line ) { - if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { + return line.start.equals( this.start ) && line.end.equals( this.end ); - var lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 ); + } - this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); + }; - } + /** + * @author bhouston / http://clara.io + * @author mrdoob / http://mrdoob.com/ + */ - if ( geometry.boundingSphere !== null ) { + function Triangle( a, b, c ) { - this.boundingSphere = geometry.boundingSphere.clone(); + this.a = ( a !== undefined ) ? a : new Vector3(); + this.b = ( b !== undefined ) ? b : new Vector3(); + this.c = ( c !== undefined ) ? c : new Vector3(); - } + } - if ( geometry.boundingBox !== null ) { + Triangle.normal = function () { - this.boundingBox = geometry.boundingBox.clone(); + var v0 = new Vector3(); - } + return function normal( a, b, c, optionalTarget ) { - } else if ( (object && object.isMesh) ) { + var result = optionalTarget || new Vector3(); - if ( (geometry && geometry.isGeometry) ) { + result.subVectors( c, b ); + v0.subVectors( a, b ); + result.cross( v0 ); - this.fromGeometry( geometry ); + var resultLengthSq = result.lengthSq(); + if ( resultLengthSq > 0 ) { - } + return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) ); } - return this; + return result.set( 0, 0, 0 ); - }, + }; - updateFromObject: function ( object ) { + }(); - var geometry = object.geometry; + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + Triangle.barycoordFromPoint = function () { - if ( (object && object.isMesh) ) { + var v0 = new Vector3(); + var v1 = new Vector3(); + var v2 = new Vector3(); - var direct = geometry.__directGeometry; + return function barycoordFromPoint( point, a, b, c, optionalTarget ) { - if ( geometry.elementsNeedUpdate === true ) { + v0.subVectors( c, a ); + v1.subVectors( b, a ); + v2.subVectors( point, a ); - direct = undefined; - geometry.elementsNeedUpdate = false; + var dot00 = v0.dot( v0 ); + var dot01 = v0.dot( v1 ); + var dot02 = v0.dot( v2 ); + var dot11 = v1.dot( v1 ); + var dot12 = v1.dot( v2 ); - } + var denom = ( dot00 * dot11 - dot01 * dot01 ); - if ( direct === undefined ) { + var result = optionalTarget || new Vector3(); - return this.fromGeometry( geometry ); + // collinear or singular triangle + if ( denom === 0 ) { - } + // arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return result.set( - 2, - 1, - 1 ); - direct.verticesNeedUpdate = geometry.verticesNeedUpdate; - direct.normalsNeedUpdate = geometry.normalsNeedUpdate; - direct.colorsNeedUpdate = geometry.colorsNeedUpdate; - direct.uvsNeedUpdate = geometry.uvsNeedUpdate; - direct.groupsNeedUpdate = geometry.groupsNeedUpdate; + } - geometry.verticesNeedUpdate = false; - geometry.normalsNeedUpdate = false; - geometry.colorsNeedUpdate = false; - geometry.uvsNeedUpdate = false; - geometry.groupsNeedUpdate = false; + var invDenom = 1 / denom; + var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; - geometry = direct; + // barycentric coordinates must always sum to 1 + return result.set( 1 - u - v, v, u ); - } + }; - var attribute; + }(); - if ( geometry.verticesNeedUpdate === true ) { + Triangle.containsPoint = function () { - attribute = this.attributes.position; + var v1 = new Vector3(); - if ( attribute !== undefined ) { + return function containsPoint( point, a, b, c ) { - attribute.copyVector3sArray( geometry.vertices ); - attribute.needsUpdate = true; + var result = Triangle.barycoordFromPoint( point, a, b, c, v1 ); - } + return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 ); - geometry.verticesNeedUpdate = false; + }; - } + }(); - if ( geometry.normalsNeedUpdate === true ) { + Triangle.prototype = { - attribute = this.attributes.normal; + constructor: Triangle, - if ( attribute !== undefined ) { + set: function ( a, b, c ) { - attribute.copyVector3sArray( geometry.normals ); - attribute.needsUpdate = true; + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); - } + return this; - geometry.normalsNeedUpdate = false; + }, - } + setFromPointsAndIndices: function ( points, i0, i1, i2 ) { - if ( geometry.colorsNeedUpdate === true ) { + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); - attribute = this.attributes.color; + return this; - if ( attribute !== undefined ) { + }, - attribute.copyColorsArray( geometry.colors ); - attribute.needsUpdate = true; + clone: function () { - } + return new this.constructor().copy( this ); - geometry.colorsNeedUpdate = false; + }, - } + copy: function ( triangle ) { - if ( geometry.uvsNeedUpdate ) { + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); - attribute = this.attributes.uv; + return this; - if ( attribute !== undefined ) { + }, - attribute.copyVector2sArray( geometry.uvs ); - attribute.needsUpdate = true; + area: function () { - } + var v0 = new Vector3(); + var v1 = new Vector3(); - geometry.uvsNeedUpdate = false; + return function area() { - } + v0.subVectors( this.c, this.b ); + v1.subVectors( this.a, this.b ); - if ( geometry.lineDistancesNeedUpdate ) { + return v0.cross( v1 ).length() * 0.5; - attribute = this.attributes.lineDistance; + }; - if ( attribute !== undefined ) { + }(), - attribute.copyArray( geometry.lineDistances ); - attribute.needsUpdate = true; + midpoint: function ( optionalTarget ) { - } + var result = optionalTarget || new Vector3(); + return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); - geometry.lineDistancesNeedUpdate = false; + }, - } + normal: function ( optionalTarget ) { - if ( geometry.groupsNeedUpdate ) { + return Triangle.normal( this.a, this.b, this.c, optionalTarget ); - geometry.computeGroups( object.geometry ); - this.groups = geometry.groups; + }, - geometry.groupsNeedUpdate = false; + plane: function ( optionalTarget ) { - } + var result = optionalTarget || new Plane(); - return this; + return result.setFromCoplanarPoints( this.a, this.b, this.c ); }, - fromGeometry: function ( geometry ) { - - geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); + barycoordFromPoint: function ( point, optionalTarget ) { - return this.fromDirectGeometry( geometry.__directGeometry ); + return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget ); }, - fromDirectGeometry: function ( geometry ) { - - var positions = new Float32Array( geometry.vertices.length * 3 ); - this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); + containsPoint: function ( point ) { - if ( geometry.normals.length > 0 ) { + return Triangle.containsPoint( point, this.a, this.b, this.c ); - var normals = new Float32Array( geometry.normals.length * 3 ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); + }, - } + closestPointToPoint: function () { - if ( geometry.colors.length > 0 ) { + var plane, edgeList, projectedPoint, closestPoint; - var colors = new Float32Array( geometry.colors.length * 3 ); - this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); + return function closestPointToPoint( point, optionalTarget ) { - } + if ( plane === undefined ) { - if ( geometry.uvs.length > 0 ) { + plane = new Plane(); + edgeList = [ new Line3(), new Line3(), new Line3() ]; + projectedPoint = new Vector3(); + closestPoint = new Vector3(); - var uvs = new Float32Array( geometry.uvs.length * 2 ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); + } - } + var result = optionalTarget || new Vector3(); + var minDistance = Infinity; - if ( geometry.uvs2.length > 0 ) { + // project the point onto the plane of the triangle - var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); - this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); + plane.setFromCoplanarPoints( this.a, this.b, this.c ); + plane.projectPoint( point, projectedPoint ); - } + // check if the projection lies within the triangle - if ( geometry.indices.length > 0 ) { + if( this.containsPoint( projectedPoint ) === true ) { - var TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array; - var indices = new TypeArray( geometry.indices.length * 3 ); - this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); + // if so, this is the closest point - } + result.copy( projectedPoint ); - // groups + } else { - this.groups = geometry.groups; + // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices - // morphs + edgeList[ 0 ].set( this.a, this.b ); + edgeList[ 1 ].set( this.b, this.c ); + edgeList[ 2 ].set( this.c, this.a ); - for ( var name in geometry.morphTargets ) { + for( var i = 0; i < edgeList.length; i ++ ) { - var array = []; - var morphTargets = geometry.morphTargets[ name ]; + edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint ); - for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { + var distance = projectedPoint.distanceToSquared( closestPoint ); - var morphTarget = morphTargets[ i ]; + if( distance < minDistance ) { - var attribute = new Float32Attribute( morphTarget.length * 3, 3 ); + minDistance = distance; - array.push( attribute.copyVector3sArray( morphTarget ) ); + result.copy( closestPoint ); - } + } - this.morphAttributes[ name ] = array; + } - } + } - // skinning + return result; - if ( geometry.skinIndices.length > 0 ) { + }; - var skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 ); - this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); + }(), - } + equals: function ( triangle ) { - if ( geometry.skinWeights.length > 0 ) { + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); - var skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 ); - this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); + } - } + }; - // + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - if ( geometry.boundingSphere !== null ) { + function Face3( a, b, c, normal, color, materialIndex ) { - this.boundingSphere = geometry.boundingSphere.clone(); + this.a = a; + this.b = b; + this.c = c; - } + this.normal = (normal && normal.isVector3) ? normal : new Vector3(); + this.vertexNormals = Array.isArray( normal ) ? normal : []; - if ( geometry.boundingBox !== null ) { + this.color = (color && color.isColor) ? color : new Color(); + this.vertexColors = Array.isArray( color ) ? color : []; - this.boundingBox = geometry.boundingBox.clone(); + this.materialIndex = materialIndex !== undefined ? materialIndex : 0; - } + } - return this; + Face3.prototype = { - }, + constructor: Face3, - computeBoundingBox: function () { + clone: function () { - if ( this.boundingBox === null ) { + return new this.constructor().copy( this ); - this.boundingBox = new Box3(); + }, - } + copy: function ( source ) { - var positions = this.attributes.position.array; + this.a = source.a; + this.b = source.b; + this.c = source.c; - if ( positions !== undefined ) { + this.normal.copy( source.normal ); + this.color.copy( source.color ); - this.boundingBox.setFromArray( positions ); + this.materialIndex = source.materialIndex; - } else { + for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) { - this.boundingBox.makeEmpty(); + this.vertexNormals[ i ] = source.vertexNormals[ i ].clone(); } - if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) { - console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + this.vertexColors[ i ] = source.vertexColors[ i ].clone(); } - }, - - computeBoundingSphere: function () { - - var box = new Box3(); - var vector = new Vector3(); - - return function computeBoundingSphere() { - - if ( this.boundingSphere === null ) { - - this.boundingSphere = new Sphere(); - - } + return this; - var positions = this.attributes.position; + } - if ( positions ) { + }; - var array = positions.array; - var center = this.boundingSphere.center; + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * shading: THREE.SmoothShading, + * depthTest: , + * depthWrite: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: + * } + */ - box.setFromArray( array ); - box.getCenter( center ); + function MeshBasicMaterial( parameters ) { - // hoping to find a boundingSphere with a radius smaller than the - // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + Material.call( this ); - var maxRadiusSq = 0; + this.type = 'MeshBasicMaterial'; - for ( var i = 0, il = array.length; i < il; i += 3 ) { + this.color = new Color( 0xffffff ); // emissive - vector.fromArray( array, i ); - maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); + this.map = null; - } + this.aoMap = null; + this.aoMapIntensity = 1.0; - this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + this.specularMap = null; - if ( isNaN( this.boundingSphere.radius ) ) { + this.alphaMap = null; - console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - } + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - } + this.skinning = false; + this.morphTargets = false; - }; + this.lights = false; - }(), + this.setValues( parameters ); - computeFaceNormals: function () { + } - // backwards compatibility + MeshBasicMaterial.prototype = Object.create( Material.prototype ); + MeshBasicMaterial.prototype.constructor = MeshBasicMaterial; - }, + MeshBasicMaterial.prototype.isMeshBasicMaterial = true; - computeVertexNormals: function () { + MeshBasicMaterial.prototype.copy = function ( source ) { - var index = this.index; - var attributes = this.attributes; - var groups = this.groups; + Material.prototype.copy.call( this, source ); - if ( attributes.position ) { + this.color.copy( source.color ); - var positions = attributes.position.array; + this.map = source.map; - if ( attributes.normal === undefined ) { + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); + this.specularMap = source.specularMap; - } else { + this.alphaMap = source.alphaMap; - // reset existing normals to zero + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - var array = attributes.normal.array; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - for ( var i = 0, il = array.length; i < il; i ++ ) { + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; - array[ i ] = 0; + return this; - } + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - var normals = attributes.normal.array; + function BufferAttribute( array, itemSize, normalized ) { - var vA, vB, vC, + if ( Array.isArray( array ) ) { - pA = new Vector3(), - pB = new Vector3(), - pC = new Vector3(), + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - cb = new Vector3(), - ab = new Vector3(); + } - // indexed elements + this.uuid = _Math.generateUUID(); - if ( index ) { + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; - var indices = index.array; + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; - if ( groups.length === 0 ) { + this.version = 0; - this.addGroup( 0, indices.length ); + } - } + BufferAttribute.prototype = { - for ( var j = 0, jl = groups.length; j < jl; ++ j ) { + constructor: BufferAttribute, - var group = groups[ j ]; + isBufferAttribute: true, - var start = group.start; - var count = group.count; + set needsUpdate( value ) { - for ( var i = start, il = start + count; i < il; i += 3 ) { + if ( value === true ) this.version ++; - vA = indices[ i + 0 ] * 3; - vB = indices[ i + 1 ] * 3; - vC = indices[ i + 2 ] * 3; + }, - pA.fromArray( positions, vA ); - pB.fromArray( positions, vB ); - pC.fromArray( positions, vC ); + setArray: function ( array ) { - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); + if ( Array.isArray( array ) ) { - normals[ vA ] += cb.x; - normals[ vA + 1 ] += cb.y; - normals[ vA + 2 ] += cb.z; + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); - normals[ vB ] += cb.x; - normals[ vB + 1 ] += cb.y; - normals[ vB + 2 ] += cb.z; + } - normals[ vC ] += cb.x; - normals[ vC + 1 ] += cb.y; - normals[ vC + 2 ] += cb.z; + this.count = array !== undefined ? array.length / this.itemSize : 0; + this.array = array; - } + }, - } + setDynamic: function ( value ) { - } else { + this.dynamic = value; - // non-indexed elements (unconnected triangle soup) + return this; - for ( var i = 0, il = positions.length; i < il; i += 9 ) { + }, - pA.fromArray( positions, i ); - pB.fromArray( positions, i + 3 ); - pC.fromArray( positions, i + 6 ); + copy: function ( source ) { - cb.subVectors( pC, pB ); - ab.subVectors( pA, pB ); - cb.cross( ab ); + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; - normals[ i ] = cb.x; - normals[ i + 1 ] = cb.y; - normals[ i + 2 ] = cb.z; + this.dynamic = source.dynamic; - normals[ i + 3 ] = cb.x; - normals[ i + 4 ] = cb.y; - normals[ i + 5 ] = cb.z; + return this; - normals[ i + 6 ] = cb.x; - normals[ i + 7 ] = cb.y; - normals[ i + 8 ] = cb.z; + }, - } + copyAt: function ( index1, attribute, index2 ) { - } + index1 *= this.itemSize; + index2 *= attribute.itemSize; - this.normalizeNormals(); + for ( var i = 0, l = this.itemSize; i < l; i ++ ) { - attributes.normal.needsUpdate = true; + this.array[ index1 + i ] = attribute.array[ index2 + i ]; } - }, - - merge: function ( geometry, offset ) { - - if ( (geometry && geometry.isBufferGeometry) === false ) { + return this; - console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); - return; + }, - } + copyArray: function ( array ) { - if ( offset === undefined ) offset = 0; + this.array.set( array ); - var attributes = this.attributes; + return this; - for ( var key in attributes ) { + }, - if ( geometry.attributes[ key ] === undefined ) continue; + copyColorsArray: function ( colors ) { - var attribute1 = attributes[ key ]; - var attributeArray1 = attribute1.array; + var array = this.array, offset = 0; - var attribute2 = geometry.attributes[ key ]; - var attributeArray2 = attribute2.array; + for ( var i = 0, l = colors.length; i < l; i ++ ) { - var attributeSize = attribute2.itemSize; + var color = colors[ i ]; - for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { + if ( color === undefined ) { - attributeArray1[ j ] = attributeArray2[ i ]; + console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); + color = new Color(); } + array[ offset ++ ] = color.r; + array[ offset ++ ] = color.g; + array[ offset ++ ] = color.b; + } return this; }, - normalizeNormals: function () { + copyIndicesArray: function ( indices ) { - var normals = this.attributes.normal.array; + var array = this.array, offset = 0; - var x, y, z, n; - - for ( var i = 0, il = normals.length; i < il; i += 3 ) { - - x = normals[ i ]; - y = normals[ i + 1 ]; - z = normals[ i + 2 ]; + for ( var i = 0, l = indices.length; i < l; i ++ ) { - n = 1.0 / Math.sqrt( x * x + y * y + z * z ); + var index = indices[ i ]; - normals[ i ] *= n; - normals[ i + 1 ] *= n; - normals[ i + 2 ] *= n; + array[ offset ++ ] = index.a; + array[ offset ++ ] = index.b; + array[ offset ++ ] = index.c; } + return this; + }, - toNonIndexed: function () { + copyVector2sArray: function ( vectors ) { - if ( this.index === null ) { + var array = this.array, offset = 0; - console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); - return this; + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - } + var vector = vectors[ i ]; - var geometry2 = new BufferGeometry(); + if ( vector === undefined ) { - var indices = this.index.array; - var attributes = this.attributes; + console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); + vector = new Vector2(); - for ( var name in attributes ) { + } - var attribute = attributes[ name ]; + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; - var array = attribute.array; - var itemSize = attribute.itemSize; + } - var array2 = new array.constructor( indices.length * itemSize ); + return this; - var index = 0, index2 = 0; + }, - for ( var i = 0, l = indices.length; i < l; i ++ ) { + copyVector3sArray: function ( vectors ) { - index = indices[ i ] * itemSize; + var array = this.array, offset = 0; - for ( var j = 0; j < itemSize; j ++ ) { + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - array2[ index2 ++ ] = array[ index ++ ]; + var vector = vectors[ i ]; - } + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); + vector = new Vector3(); } - geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; } - return geometry2; + return this; }, - toJSON: function () { - - var data = { - metadata: { - version: 4.4, - type: 'BufferGeometry', - generator: 'BufferGeometry.toJSON' - } - }; - - // standard BufferGeometry serialization + copyVector4sArray: function ( vectors ) { - data.uuid = this.uuid; - data.type = this.type; - if ( this.name !== '' ) data.name = this.name; + var array = this.array, offset = 0; - if ( this.parameters !== undefined ) { + for ( var i = 0, l = vectors.length; i < l; i ++ ) { - var parameters = this.parameters; + var vector = vectors[ i ]; - for ( var key in parameters ) { + if ( vector === undefined ) { - if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); + vector = new Vector4(); } - return data; + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + array[ offset ++ ] = vector.w; } - data.data = { attributes: {} }; - - var index = this.index; + return this; - if ( index !== null ) { + }, - var array = Array.prototype.slice.call( index.array ); + set: function ( value, offset ) { - data.data.index = { - type: index.array.constructor.name, - array: array - }; + if ( offset === undefined ) offset = 0; - } + this.array.set( value, offset ); - var attributes = this.attributes; + return this; - for ( var key in attributes ) { + }, - var attribute = attributes[ key ]; + getX: function ( index ) { - var array = Array.prototype.slice.call( attribute.array ); + return this.array[ index * this.itemSize ]; - data.data.attributes[ key ] = { - itemSize: attribute.itemSize, - type: attribute.array.constructor.name, - array: array, - normalized: attribute.normalized - }; + }, - } + setX: function ( index, x ) { - var groups = this.groups; + this.array[ index * this.itemSize ] = x; - if ( groups.length > 0 ) { + return this; - data.data.groups = JSON.parse( JSON.stringify( groups ) ); + }, - } + getY: function ( index ) { - var boundingSphere = this.boundingSphere; + return this.array[ index * this.itemSize + 1 ]; - if ( boundingSphere !== null ) { + }, - data.data.boundingSphere = { - center: boundingSphere.center.toArray(), - radius: boundingSphere.radius - }; + setY: function ( index, y ) { - } + this.array[ index * this.itemSize + 1 ] = y; - return data; + return this; }, - clone: function () { + getZ: function ( index ) { - /* - // Handle primitives + return this.array[ index * this.itemSize + 2 ]; - var parameters = this.parameters; + }, - if ( parameters !== undefined ) { + setZ: function ( index, z ) { - var values = []; + this.array[ index * this.itemSize + 2 ] = z; - for ( var key in parameters ) { + return this; - values.push( parameters[ key ] ); + }, - } + getW: function ( index ) { - var geometry = Object.create( this.constructor.prototype ); - this.constructor.apply( geometry, values ); - return geometry; + return this.array[ index * this.itemSize + 3 ]; - } + }, - return new this.constructor().copy( this ); - */ + setW: function ( index, w ) { - return new BufferGeometry().copy( this ); + this.array[ index * this.itemSize + 3 ] = w; + + return this; }, - copy: function ( source ) { + setXY: function ( index, x, y ) { - var index = source.index; + index *= this.itemSize; - if ( index !== null ) { + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; - this.setIndex( index.clone() ); + return this; - } + }, - var attributes = source.attributes; + setXYZ: function ( index, x, y, z ) { - for ( var name in attributes ) { + index *= this.itemSize; - var attribute = attributes[ name ]; - this.addAttribute( name, attribute.clone() ); + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; - } + return this; - var groups = source.groups; + }, - for ( var i = 0, l = groups.length; i < l; i ++ ) { + setXYZW: function ( index, x, y, z, w ) { - var group = groups[ i ]; - this.addGroup( group.start, group.count, group.materialIndex ); + index *= this.itemSize; - } + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; return this; }, - dispose: function () { + clone: function () { - this.dispatchEvent( { type: 'dispose' } ); + return new this.constructor().copy( this ); } - } ); - - BufferGeometry.MaxIndex = 65535; - - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author mikael emtinger / http://gomo.se/ - * @author jonobr1 / http://jonobr1.com/ - */ + }; - function Mesh( geometry, material ) { + // - Object3D.call( this ); + function Int8Attribute( array, itemSize ) { - this.type = 'Mesh'; + return new BufferAttribute( new Int8Array( array ), itemSize ); - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); + } - this.drawMode = TrianglesDrawMode; + function Uint8Attribute( array, itemSize ) { - this.updateMorphTargets(); + return new BufferAttribute( new Uint8Array( array ), itemSize ); } - Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { - - constructor: Mesh, + function Uint8ClampedAttribute( array, itemSize ) { - isMesh: true, + return new BufferAttribute( new Uint8ClampedArray( array ), itemSize ); - setDrawMode: function ( value ) { + } - this.drawMode = value; + function Int16Attribute( array, itemSize ) { - }, + return new BufferAttribute( new Int16Array( array ), itemSize ); - copy: function ( source ) { + } - Object3D.prototype.copy.call( this, source ); + function Uint16Attribute( array, itemSize ) { - this.drawMode = source.drawMode; + return new BufferAttribute( new Uint16Array( array ), itemSize ); - return this; + } - }, + function Int32Attribute( array, itemSize ) { - updateMorphTargets: function () { + return new BufferAttribute( new Int32Array( array ), itemSize ); - var morphTargets = this.geometry.morphTargets; + } - if ( morphTargets !== undefined && morphTargets.length > 0 ) { + function Uint32Attribute( array, itemSize ) { - this.morphTargetInfluences = []; - this.morphTargetDictionary = {}; + return new BufferAttribute( new Uint32Array( array ), itemSize ); - for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { + } - this.morphTargetInfluences.push( 0 ); - this.morphTargetDictionary[ morphTargets[ m ].name ] = m; + function Float32Attribute( array, itemSize ) { - } + return new BufferAttribute( new Float32Array( array ), itemSize ); - } + } - }, + function Float64Attribute( array, itemSize ) { - raycast: ( function () { + return new BufferAttribute( new Float64Array( array ), itemSize ); - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + } - var vA = new Vector3(); - var vB = new Vector3(); - var vC = new Vector3(); + // Deprecated - var tempA = new Vector3(); - var tempB = new Vector3(); - var tempC = new Vector3(); + function DynamicBufferAttribute( array, itemSize ) { - var uvA = new Vector2(); - var uvB = new Vector2(); - var uvC = new Vector2(); + console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' ); + return new BufferAttribute( array, itemSize ).setDynamic( true ); - var barycoord = new Vector3(); + } - var intersectionPoint = new Vector3(); - var intersectionPointWorld = new Vector3(); + /** + * @author mrdoob / http://mrdoob.com/ + * @author kile / http://kile.stravaganza.org/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author bhouston / http://clara.io + */ - function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { + function Geometry() { - Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - uv1.multiplyScalar( barycoord.x ); - uv2.multiplyScalar( barycoord.y ); - uv3.multiplyScalar( barycoord.z ); + this.uuid = _Math.generateUUID(); - uv1.add( uv2 ).add( uv3 ); + this.name = ''; + this.type = 'Geometry'; - return uv1.clone(); + this.vertices = []; + this.colors = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; - } + this.morphTargets = []; + this.morphNormals = []; - function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { + this.skinWeights = []; + this.skinIndices = []; - var intersect; - var material = object.material; + this.lineDistances = []; - if ( material.side === BackSide ) { + this.boundingBox = null; + this.boundingSphere = null; - intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + // update flags - } else { + this.elementsNeedUpdate = false; + this.verticesNeedUpdate = false; + this.uvsNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.lineDistancesNeedUpdate = false; + this.groupsNeedUpdate = false; - intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); + } - } + Object.assign( Geometry.prototype, EventDispatcher.prototype, { - if ( intersect === null ) return null; + isGeometry: true, - intersectionPointWorld.copy( point ); - intersectionPointWorld.applyMatrix4( object.matrixWorld ); + applyMatrix: function ( matrix ) { - var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld ); + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - if ( distance < raycaster.near || distance > raycaster.far ) return null; + for ( var i = 0, il = this.vertices.length; i < il; i ++ ) { - return { - distance: distance, - point: intersectionPointWorld.clone(), - object: object - }; + var vertex = this.vertices[ i ]; + vertex.applyMatrix4( matrix ); } - function checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) { + for ( var i = 0, il = this.faces.length; i < il; i ++ ) { - vA.fromArray( positions, a * 3 ); - vB.fromArray( positions, b * 3 ); - vC.fromArray( positions, c * 3 ); + var face = this.faces[ i ]; + face.normal.applyMatrix3( normalMatrix ).normalize(); - var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - if ( intersection ) { + face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize(); - if ( uvs ) { + } - uvA.fromArray( uvs, a * 2 ); - uvB.fromArray( uvs, b * 2 ); - uvC.fromArray( uvs, c * 2 ); + } - intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); + if ( this.boundingBox !== null ) { - } + this.computeBoundingBox(); - intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); - intersection.faceIndex = a; + } - } + if ( this.boundingSphere !== null ) { - return intersection; + this.computeBoundingSphere(); } - return function raycast( raycaster, intersects ) { + this.verticesNeedUpdate = true; + this.normalsNeedUpdate = true; - var geometry = this.geometry; - var material = this.material; - var matrixWorld = this.matrixWorld; + return this; - if ( material === undefined ) return; + }, - // Checking boundingSphere distance to ray + rotateX: function () { - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + // rotate geometry around world x-axis - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + var m1; - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + return function rotateX( angle ) { - // + if ( m1 === undefined ) m1 = new Matrix4(); - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + m1.makeRotationX( angle ); - // Check boundingBox before continuing + this.applyMatrix( m1 ); - if ( geometry.boundingBox !== null ) { + return this; - if ( ray.intersectsBox( geometry.boundingBox ) === false ) return; + }; - } + }(), - var uvs, intersection; + rotateY: function () { - if ( (geometry && geometry.isBufferGeometry) ) { + // rotate geometry around world y-axis - var a, b, c; - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + var m1; - if ( attributes.uv !== undefined ) { + return function rotateY( angle ) { - uvs = attributes.uv.array; + if ( m1 === undefined ) m1 = new Matrix4(); - } + m1.makeRotationY( angle ); - if ( index !== null ) { + this.applyMatrix( m1 ); - var indices = index.array; + return this; - for ( var i = 0, l = indices.length; i < l; i += 3 ) { + }; - a = indices[ i ]; - b = indices[ i + 1 ]; - c = indices[ i + 2 ]; + }(), - intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + rotateZ: function () { - if ( intersection ) { + // rotate geometry around world z-axis - intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics - intersects.push( intersection ); + var m1; - } + return function rotateZ( angle ) { - } + if ( m1 === undefined ) m1 = new Matrix4(); - } else { + m1.makeRotationZ( angle ); + this.applyMatrix( m1 ); - for ( var i = 0, l = positions.length; i < l; i += 9 ) { + return this; - a = i / 3; - b = a + 1; - c = a + 2; + }; - intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); + }(), - if ( intersection ) { + translate: function () { - intersection.index = a; // triangle number in positions buffer semantics - intersects.push( intersection ); + // translate geometry - } + var m1; - } + return function translate( x, y, z ) { - } + if ( m1 === undefined ) m1 = new Matrix4(); - } else if ( (geometry && geometry.isGeometry) ) { + m1.makeTranslation( x, y, z ); - var fvA, fvB, fvC; - var isFaceMaterial = (material && material.isMultiMaterial); - var materials = isFaceMaterial === true ? material.materials : null; + this.applyMatrix( m1 ); - var vertices = geometry.vertices; - var faces = geometry.faces; - var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; - if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; + return this; - for ( var f = 0, fl = faces.length; f < fl; f ++ ) { + }; - var face = faces[ f ]; - var faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material; + }(), - if ( faceMaterial === undefined ) continue; + scale: function () { - fvA = vertices[ face.a ]; - fvB = vertices[ face.b ]; - fvC = vertices[ face.c ]; + // scale geometry - if ( faceMaterial.morphTargets === true ) { + var m1; - var morphTargets = geometry.morphTargets; - var morphInfluences = this.morphTargetInfluences; - - vA.set( 0, 0, 0 ); - vB.set( 0, 0, 0 ); - vC.set( 0, 0, 0 ); - - for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { + return function scale( x, y, z ) { - var influence = morphInfluences[ t ]; + if ( m1 === undefined ) m1 = new Matrix4(); - if ( influence === 0 ) continue; + m1.makeScale( x, y, z ); - var targets = morphTargets[ t ].vertices; + this.applyMatrix( m1 ); - vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); - vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); - vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); + return this; - } + }; - vA.add( fvA ); - vB.add( fvB ); - vC.add( fvC ); + }(), - fvA = vA; - fvB = vB; - fvC = vC; + lookAt: function () { - } + var obj; - intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); + return function lookAt( vector ) { - if ( intersection ) { + if ( obj === undefined ) obj = new Object3D(); - if ( uvs ) { + obj.lookAt( vector ); - var uvs_f = uvs[ f ]; - uvA.copy( uvs_f[ 0 ] ); - uvB.copy( uvs_f[ 1 ] ); - uvC.copy( uvs_f[ 2 ] ); + obj.updateMatrix(); - intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); + this.applyMatrix( obj.matrix ); - } + }; - intersection.face = face; - intersection.faceIndex = f; - intersects.push( intersection ); + }(), - } + fromBufferGeometry: function ( geometry ) { - } + var scope = this; - } + var indices = geometry.index !== null ? geometry.index.array : undefined; + var attributes = geometry.attributes; - }; + var positions = attributes.position.array; + var normals = attributes.normal !== undefined ? attributes.normal.array : undefined; + var colors = attributes.color !== undefined ? attributes.color.array : undefined; + var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined; + var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined; - }() ), + if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = []; - clone: function () { + var tempNormals = []; + var tempUVs = []; + var tempUVs2 = []; - return new this.constructor( this.geometry, this.material ).copy( this ); + for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) { - } + scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) ); - } ); + if ( normals !== undefined ) { - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) ); - function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + } - BufferGeometry.call( this ); + if ( colors !== undefined ) { - this.type = 'BoxBufferGeometry'; + scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) ); - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; + } - var scope = this; + if ( uvs !== undefined ) { - // segments - widthSegments = Math.floor( widthSegments ) || 1; - heightSegments = Math.floor( heightSegments ) || 1; - depthSegments = Math.floor( depthSegments ) || 1; + tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) ); - // these are used to calculate buffer length - var vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments ); - var indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments ); + } - // buffers - var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); - var vertices = new Float32Array( vertexCount * 3 ); - var normals = new Float32Array( vertexCount * 3 ); - var uvs = new Float32Array( vertexCount * 2 ); + if ( uvs2 !== undefined ) { - // offset variables - var vertexBufferOffset = 0; - var uvBufferOffset = 0; - var indexBufferOffset = 0; - var numberOfVertices = 0; + tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) ); - // group variables - var groupStart = 0; + } - // build each side of the box geometry - buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px - buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx - buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py - buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny - buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz - buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + } - // build geometry - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + function addFace( a, b, c, materialIndex ) { - // helper functions + var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : []; + var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : []; - function calculateVertexCount( w, h, d ) { + var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex ); - var vertices = 0; + scope.faces.push( face ); - // calculate the amount of vertices for each side (plane) - vertices += (w + 1) * (h + 1) * 2; // xy - vertices += (w + 1) * (d + 1) * 2; // xz - vertices += (d + 1) * (h + 1) * 2; // zy + if ( uvs !== undefined ) { - return vertices; + scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] ); - } + } - function calculateIndexCount( w, h, d ) { + if ( uvs2 !== undefined ) { - var index = 0; + scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] ); - // calculate the amount of squares for each side - index += w * h * 2; // xy - index += w * d * 2; // xz - index += d * h * 2; // zy + } - return index * 6; // two triangles per square => six vertices per square + } - } + if ( indices !== undefined ) { - function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + var groups = geometry.groups; - var segmentWidth = width / gridX; - var segmentHeight = height / gridY; + if ( groups.length > 0 ) { - var widthHalf = width / 2; - var heightHalf = height / 2; - var depthHalf = depth / 2; + for ( var i = 0; i < groups.length; i ++ ) { - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; + var group = groups[ i ]; - var vertexCounter = 0; - var groupCount = 0; + var start = group.start; + var count = group.count; - var vector = new Vector3(); + for ( var j = start, jl = start + count; j < jl; j += 3 ) { - // generate vertices, normals and uvs + addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex ); - for ( var iy = 0; iy < gridY1; iy ++ ) { + } - var y = iy * segmentHeight - heightHalf; + } - for ( var ix = 0; ix < gridX1; ix ++ ) { + } else { - var x = ix * segmentWidth - widthHalf; + for ( var i = 0; i < indices.length; i += 3 ) { - // set values to correct vector component - vector[ u ] = x * udir; - vector[ v ] = y * vdir; - vector[ w ] = depthHalf; + addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] ); - // now apply vector to vertex buffer - vertices[ vertexBufferOffset ] = vector.x; - vertices[ vertexBufferOffset + 1 ] = vector.y; - vertices[ vertexBufferOffset + 2 ] = vector.z; + } - // set values to correct vector component - vector[ u ] = 0; - vector[ v ] = 0; - vector[ w ] = depth > 0 ? 1 : - 1; + } - // now apply vector to normal buffer - normals[ vertexBufferOffset ] = vector.x; - normals[ vertexBufferOffset + 1 ] = vector.y; - normals[ vertexBufferOffset + 2 ] = vector.z; + } else { - // uvs - uvs[ uvBufferOffset ] = ix / gridX; - uvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY ); + for ( var i = 0; i < positions.length / 3; i += 3 ) { - // update offsets and counters - vertexBufferOffset += 3; - uvBufferOffset += 2; - vertexCounter += 1; + addFace( i, i + 1, i + 2 ); } } - // 1. you need three indices to draw a single face - // 2. a single segment consists of two faces - // 3. so we need to generate six (2*3) indices per segment - - for ( iy = 0; iy < gridY; iy ++ ) { - - for ( ix = 0; ix < gridX; ix ++ ) { + this.computeFaceNormals(); - // indices - var a = numberOfVertices + ix + gridX1 * iy; - var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); - var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + if ( geometry.boundingBox !== null ) { - // face one - indices[ indexBufferOffset ] = a; - indices[ indexBufferOffset + 1 ] = b; - indices[ indexBufferOffset + 2 ] = d; + this.boundingBox = geometry.boundingBox.clone(); - // face two - indices[ indexBufferOffset + 3 ] = b; - indices[ indexBufferOffset + 4 ] = c; - indices[ indexBufferOffset + 5 ] = d; + } - // update offsets and counters - indexBufferOffset += 6; - groupCount += 6; + if ( geometry.boundingSphere !== null ) { - } + this.boundingSphere = geometry.boundingSphere.clone(); } - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, materialIndex ); - - // calculate new start value for groups - groupStart += groupCount; + return this; - // update total number of vertices - numberOfVertices += vertexCounter; + }, - } + center: function () { - } + this.computeBoundingBox(); - BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; + var offset = this.boundingBox.getCenter().negate(); - /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as - */ + this.translate( offset.x, offset.y, offset.z ); - function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { + return offset; - BufferGeometry.call( this ); + }, - this.type = 'PlaneBufferGeometry'; + normalize: function () { - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; + this.computeBoundingSphere(); - var width_half = width / 2; - var height_half = height / 2; + var center = this.boundingSphere.center; + var radius = this.boundingSphere.radius; - var gridX = Math.floor( widthSegments ) || 1; - var gridY = Math.floor( heightSegments ) || 1; + var s = radius === 0 ? 1 : 1.0 / radius; - var gridX1 = gridX + 1; - var gridY1 = gridY + 1; + var matrix = new Matrix4(); + matrix.set( + s, 0, 0, - s * center.x, + 0, s, 0, - s * center.y, + 0, 0, s, - s * center.z, + 0, 0, 0, 1 + ); - var segment_width = width / gridX; - var segment_height = height / gridY; + this.applyMatrix( matrix ); - var vertices = new Float32Array( gridX1 * gridY1 * 3 ); - var normals = new Float32Array( gridX1 * gridY1 * 3 ); - var uvs = new Float32Array( gridX1 * gridY1 * 2 ); + return this; - var offset = 0; - var offset2 = 0; + }, - for ( var iy = 0; iy < gridY1; iy ++ ) { + computeFaceNormals: function () { - var y = iy * segment_height - height_half; + var cb = new Vector3(), ab = new Vector3(); - for ( var ix = 0; ix < gridX1; ix ++ ) { + for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) { - var x = ix * segment_width - width_half; + var face = this.faces[ f ]; - vertices[ offset ] = x; - vertices[ offset + 1 ] = - y; + var vA = this.vertices[ face.a ]; + var vB = this.vertices[ face.b ]; + var vC = this.vertices[ face.c ]; - normals[ offset + 2 ] = 1; + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); - uvs[ offset2 ] = ix / gridX; - uvs[ offset2 + 1 ] = 1 - ( iy / gridY ); + cb.normalize(); - offset += 3; - offset2 += 2; + face.normal.copy( cb ); } - } + }, - offset = 0; + computeVertexNormals: function ( areaWeighted ) { - var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 ); + if ( areaWeighted === undefined ) areaWeighted = true; - for ( var iy = 0; iy < gridY; iy ++ ) { + var v, vl, f, fl, face, vertices; - for ( var ix = 0; ix < gridX; ix ++ ) { + vertices = new Array( this.vertices.length ); - var a = ix + gridX1 * iy; - var b = ix + gridX1 * ( iy + 1 ); - var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); - var d = ( ix + 1 ) + gridX1 * iy; + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - indices[ offset ] = a; - indices[ offset + 1 ] = b; - indices[ offset + 2 ] = d; + vertices[ v ] = new Vector3(); - indices[ offset + 3 ] = b; - indices[ offset + 4 ] = c; - indices[ offset + 5 ] = d; + } - offset += 6; + if ( areaWeighted ) { - } + // vertex normals weighted by triangle areas + // http://www.iquilezles.org/www/articles/normals/normals.htm - } + var vA, vB, vC; + var cb = new Vector3(), ab = new Vector3(); - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - } + face = this.faces[ f ]; - PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; + vA = this.vertices[ face.a ]; + vB = this.vertices[ face.b ]; + vC = this.vertices[ face.c ]; - /** - * @author mrdoob / http://mrdoob.com/ - * @author mikael emtinger / http://gomo.se/ - * @author WestLangley / http://github.com/WestLangley - */ + cb.subVectors( vC, vB ); + ab.subVectors( vA, vB ); + cb.cross( ab ); - function Camera() { + vertices[ face.a ].add( cb ); + vertices[ face.b ].add( cb ); + vertices[ face.c ].add( cb ); - Object3D.call( this ); + } - this.type = 'Camera'; + } else { - this.matrixWorldInverse = new Matrix4(); - this.projectionMatrix = new Matrix4(); + this.computeFaceNormals(); - } + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - Camera.prototype = Object.create( Object3D.prototype ); - Camera.prototype.constructor = Camera; + face = this.faces[ f ]; - Camera.prototype.isCamera = true; + vertices[ face.a ].add( face.normal ); + vertices[ face.b ].add( face.normal ); + vertices[ face.c ].add( face.normal ); - Camera.prototype.getWorldDirection = function () { + } - var quaternion = new Quaternion(); + } - return function getWorldDirection( optionalTarget ) { + for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) { - var result = optionalTarget || new Vector3(); + vertices[ v ].normalize(); - this.getWorldQuaternion( quaternion ); + } - return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - }; + face = this.faces[ f ]; - }(); + var vertexNormals = face.vertexNormals; - Camera.prototype.lookAt = function () { + if ( vertexNormals.length === 3 ) { - // This routine does not support cameras with rotated and/or translated parent(s) + vertexNormals[ 0 ].copy( vertices[ face.a ] ); + vertexNormals[ 1 ].copy( vertices[ face.b ] ); + vertexNormals[ 2 ].copy( vertices[ face.c ] ); - var m1 = new Matrix4(); + } else { - return function lookAt( vector ) { + vertexNormals[ 0 ] = vertices[ face.a ].clone(); + vertexNormals[ 1 ] = vertices[ face.b ].clone(); + vertexNormals[ 2 ] = vertices[ face.c ].clone(); - m1.lookAt( this.position, vector, this.up ); + } - this.quaternion.setFromRotationMatrix( m1 ); + } - }; + if ( this.faces.length > 0 ) { - }(); + this.normalsNeedUpdate = true; - Camera.prototype.clone = function () { + } - return new this.constructor().copy( this ); + }, - }; + computeFlatVertexNormals: function () { - Camera.prototype.copy = function ( source ) { + var f, fl, face; - Object3D.prototype.copy.call( this, source ); + this.computeFaceNormals(); - this.matrixWorldInverse.copy( source.matrixWorldInverse ); - this.projectionMatrix.copy( source.projectionMatrix ); + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - return this; + face = this.faces[ f ]; - }; + var vertexNormals = face.vertexNormals; - /** - * @author mrdoob / http://mrdoob.com/ - * @author greggman / http://games.greggman.com/ - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author tschw - */ + if ( vertexNormals.length === 3 ) { - function PerspectiveCamera( fov, aspect, near, far ) { + vertexNormals[ 0 ].copy( face.normal ); + vertexNormals[ 1 ].copy( face.normal ); + vertexNormals[ 2 ].copy( face.normal ); - Camera.call( this ); + } else { - this.type = 'PerspectiveCamera'; + vertexNormals[ 0 ] = face.normal.clone(); + vertexNormals[ 1 ] = face.normal.clone(); + vertexNormals[ 2 ] = face.normal.clone(); - this.fov = fov !== undefined ? fov : 50; - this.zoom = 1; + } - this.near = near !== undefined ? near : 0.1; - this.far = far !== undefined ? far : 2000; - this.focus = 10; + } - this.aspect = aspect !== undefined ? aspect : 1; - this.view = null; + if ( this.faces.length > 0 ) { - this.filmGauge = 35; // width of the film (default in millimeters) - this.filmOffset = 0; // horizontal film offset (same unit as gauge) + this.normalsNeedUpdate = true; - this.updateProjectionMatrix(); + } - } + }, - PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + computeMorphNormals: function () { - constructor: PerspectiveCamera, + var i, il, f, fl, face; - isPerspectiveCamera: true, + // save original normals + // - create temp variables on first access + // otherwise just copy (for faster repeated calls) - copy: function ( source ) { + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - Camera.prototype.copy.call( this, source ); + face = this.faces[ f ]; - this.fov = source.fov; - this.zoom = source.zoom; + if ( ! face.__originalFaceNormal ) { - this.near = source.near; - this.far = source.far; - this.focus = source.focus; + face.__originalFaceNormal = face.normal.clone(); - this.aspect = source.aspect; - this.view = source.view === null ? null : Object.assign( {}, source.view ); + } else { - this.filmGauge = source.filmGauge; - this.filmOffset = source.filmOffset; + face.__originalFaceNormal.copy( face.normal ); - return this; + } - }, + if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = []; - /** - * Sets the FOV by focal length in respect to the current .filmGauge. - * - * The default film gauge is 35, so that the focal length can be specified for - * a 35mm (full frame) camera. - * - * Values for focal length and film gauge must have the same unit. - */ - setFocalLength: function ( focalLength ) { + for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) { - // see http://www.bobatkins.com/photography/technical/field_of_view.html - var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + if ( ! face.__originalVertexNormals[ i ] ) { - this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); - this.updateProjectionMatrix(); + face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone(); - }, + } else { - /** - * Calculates the focal length from the current .fov and .filmGauge. - */ - getFocalLength: function () { + face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] ); - var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); + } - return 0.5 * this.getFilmHeight() / vExtentSlope; + } - }, + } - getEffectiveFOV: function () { + // use temp geometry to compute face and vertex normals for each morph - return _Math.RAD2DEG * 2 * Math.atan( - Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); + var tmpGeo = new Geometry(); + tmpGeo.faces = this.faces; - }, + for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) { - getFilmWidth: function () { + // create on first access - // film not completely covered in portrait format (aspect < 1) - return this.filmGauge * Math.min( this.aspect, 1 ); + if ( ! this.morphNormals[ i ] ) { - }, + this.morphNormals[ i ] = {}; + this.morphNormals[ i ].faceNormals = []; + this.morphNormals[ i ].vertexNormals = []; - getFilmHeight: function () { + var dstNormalsFace = this.morphNormals[ i ].faceNormals; + var dstNormalsVertex = this.morphNormals[ i ].vertexNormals; - // film not completely covered in landscape format (aspect > 1) - return this.filmGauge / Math.max( this.aspect, 1 ); + var faceNormal, vertexNormals; - }, + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - /** - * Sets an offset in a larger frustum. This is useful for multi-window or - * multi-monitor/multi-machine setups. - * - * For example, if you have 3x2 monitors and each monitor is 1920x1080 and - * the monitors are in grid like this - * - * +---+---+---+ - * | A | B | C | - * +---+---+---+ - * | D | E | F | - * +---+---+---+ - * - * then for each monitor you would call it like this - * - * var w = 1920; - * var h = 1080; - * var fullWidth = w * 3; - * var fullHeight = h * 2; - * - * --A-- - * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); - * --B-- - * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); - * --C-- - * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); - * --D-- - * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); - * --E-- - * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); - * --F-- - * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); - * - * Note there is no reason monitors have to be the same size or in a grid. - */ - setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { + faceNormal = new Vector3(); + vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() }; - this.aspect = fullWidth / fullHeight; + dstNormalsFace.push( faceNormal ); + dstNormalsVertex.push( vertexNormals ); - this.view = { - fullWidth: fullWidth, - fullHeight: fullHeight, - offsetX: x, - offsetY: y, - width: width, - height: height - }; + } - this.updateProjectionMatrix(); + } - }, + var morphNormals = this.morphNormals[ i ]; - clearViewOffset: function() { + // set vertices to morph target - this.view = null; - this.updateProjectionMatrix(); + tmpGeo.vertices = this.morphTargets[ i ].vertices; - }, + // compute morph normals - updateProjectionMatrix: function () { + tmpGeo.computeFaceNormals(); + tmpGeo.computeVertexNormals(); - var near = this.near, - top = near * Math.tan( - _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, - height = 2 * top, - width = this.aspect * height, - left = - 0.5 * width, - view = this.view; + // store morph normals - if ( view !== null ) { + var faceNormal, vertexNormals; - var fullWidth = view.fullWidth, - fullHeight = view.fullHeight; + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - left += view.offsetX * width / fullWidth; - top -= view.offsetY * height / fullHeight; - width *= view.width / fullWidth; - height *= view.height / fullHeight; + face = this.faces[ f ]; - } + faceNormal = morphNormals.faceNormals[ f ]; + vertexNormals = morphNormals.vertexNormals[ f ]; - var skew = this.filmOffset; - if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + faceNormal.copy( face.normal ); - this.projectionMatrix.makeFrustum( - left, left + width, top - height, top, near, this.far ); + vertexNormals.a.copy( face.vertexNormals[ 0 ] ); + vertexNormals.b.copy( face.vertexNormals[ 1 ] ); + vertexNormals.c.copy( face.vertexNormals[ 2 ] ); - }, + } - toJSON: function ( meta ) { + } - var data = Object3D.prototype.toJSON.call( this, meta ); + // restore original normals - data.object.fov = this.fov; - data.object.zoom = this.zoom; + for ( f = 0, fl = this.faces.length; f < fl; f ++ ) { - data.object.near = this.near; - data.object.far = this.far; - data.object.focus = this.focus; + face = this.faces[ f ]; - data.object.aspect = this.aspect; + face.normal = face.__originalFaceNormal; + face.vertexNormals = face.__originalVertexNormals; - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + } - data.object.filmGauge = this.filmGauge; - data.object.filmOffset = this.filmOffset; + }, - return data; + computeTangents: function () { - } + console.warn( 'THREE.Geometry: .computeTangents() has been removed.' ); - } ); + }, - /** - * @author alteredq / http://alteredqualia.com/ - * @author arose / http://github.com/arose - */ + computeLineDistances: function () { - function OrthographicCamera( left, right, top, bottom, near, far ) { + var d = 0; + var vertices = this.vertices; - Camera.call( this ); + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - this.type = 'OrthographicCamera'; + if ( i > 0 ) { - this.zoom = 1; - this.view = null; + d += vertices[ i ].distanceTo( vertices[ i - 1 ] ); - this.left = left; - this.right = right; - this.top = top; - this.bottom = bottom; + } - this.near = ( near !== undefined ) ? near : 0.1; - this.far = ( far !== undefined ) ? far : 2000; + this.lineDistances[ i ] = d; - this.updateProjectionMatrix(); + } - } + }, - OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { + computeBoundingBox: function () { - constructor: OrthographicCamera, + if ( this.boundingBox === null ) { - isOrthographicCamera: true, + this.boundingBox = new Box3(); - copy: function ( source ) { + } - Camera.prototype.copy.call( this, source ); + this.boundingBox.setFromPoints( this.vertices ); - this.left = source.left; - this.right = source.right; - this.top = source.top; - this.bottom = source.bottom; - this.near = source.near; - this.far = source.far; + }, - this.zoom = source.zoom; - this.view = source.view === null ? null : Object.assign( {}, source.view ); + computeBoundingSphere: function () { - return this; + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + this.boundingSphere.setFromPoints( this.vertices ); }, - setViewOffset: function( fullWidth, fullHeight, x, y, width, height ) { + merge: function ( geometry, matrix, materialIndexOffset ) { - this.view = { - fullWidth: fullWidth, - fullHeight: fullHeight, - offsetX: x, - offsetY: y, - width: width, - height: height - }; + if ( (geometry && geometry.isGeometry) === false ) { - this.updateProjectionMatrix(); + console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry ); + return; - }, + } - clearViewOffset: function() { + var normalMatrix, + vertexOffset = this.vertices.length, + vertices1 = this.vertices, + vertices2 = geometry.vertices, + faces1 = this.faces, + faces2 = geometry.faces, + uvs1 = this.faceVertexUvs[ 0 ], + uvs2 = geometry.faceVertexUvs[ 0 ], + colors1 = this.colors, + colors2 = geometry.colors; - this.view = null; - this.updateProjectionMatrix(); + if ( materialIndexOffset === undefined ) materialIndexOffset = 0; - }, + if ( matrix !== undefined ) { - updateProjectionMatrix: function () { + normalMatrix = new Matrix3().getNormalMatrix( matrix ); - var dx = ( this.right - this.left ) / ( 2 * this.zoom ); - var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); - var cx = ( this.right + this.left ) / 2; - var cy = ( this.top + this.bottom ) / 2; + } - var left = cx - dx; - var right = cx + dx; - var top = cy + dy; - var bottom = cy - dy; + // vertices - if ( this.view !== null ) { + for ( var i = 0, il = vertices2.length; i < il; i ++ ) { - var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); - var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); - var scaleW = ( this.right - this.left ) / this.view.width; - var scaleH = ( this.top - this.bottom ) / this.view.height; + var vertex = vertices2[ i ]; - left += scaleW * ( this.view.offsetX / zoomW ); - right = left + scaleW * ( this.view.width / zoomW ); - top -= scaleH * ( this.view.offsetY / zoomH ); - bottom = top - scaleH * ( this.view.height / zoomH ); + var vertexCopy = vertex.clone(); + + if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix ); + + vertices1.push( vertexCopy ); } - this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + // colors - }, + for ( var i = 0, il = colors2.length; i < il; i ++ ) { - toJSON: function ( meta ) { + colors1.push( colors2[ i ].clone() ); - var data = Object3D.prototype.toJSON.call( this, meta ); + } - data.object.zoom = this.zoom; - data.object.left = this.left; - data.object.right = this.right; - data.object.top = this.top; - data.object.bottom = this.bottom; - data.object.near = this.near; - data.object.far = this.far; + // faces - if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + for ( i = 0, il = faces2.length; i < il; i ++ ) { - return data; + var face = faces2[ i ], faceCopy, normal, color, + faceVertexNormals = face.vertexNormals, + faceVertexColors = face.vertexColors; - } + faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset ); + faceCopy.normal.copy( face.normal ); - } ); + if ( normalMatrix !== undefined ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + faceCopy.normal.applyMatrix3( normalMatrix ).normalize(); - function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { + } - var mode; + for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) { - function setMode( value ) { + normal = faceVertexNormals[ j ].clone(); - mode = value; + if ( normalMatrix !== undefined ) { - } + normal.applyMatrix3( normalMatrix ).normalize(); - var type, size; + } - function setIndex( index ) { + faceCopy.vertexNormals.push( normal ); - if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { + } - type = gl.UNSIGNED_INT; - size = 4; + faceCopy.color.copy( face.color ); - } else { + for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) { - type = gl.UNSIGNED_SHORT; - size = 2; + color = faceVertexColors[ j ]; + faceCopy.vertexColors.push( color.clone() ); + + } + + faceCopy.materialIndex = face.materialIndex + materialIndexOffset; + + faces1.push( faceCopy ); } - } + // uvs - function render( start, count ) { + for ( i = 0, il = uvs2.length; i < il; i ++ ) { - gl.drawElements( mode, count, type, start * size ); + var uv = uvs2[ i ], uvCopy = []; - infoRender.calls ++; - infoRender.vertices += count; + if ( uv === undefined ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + continue; - } + } - function renderInstances( geometry, start, count ) { + for ( var j = 0, jl = uv.length; j < jl; j ++ ) { - var extension = extensions.get( 'ANGLE_instanced_arrays' ); + uvCopy.push( uv[ j ].clone() ); - if ( extension === null ) { + } - console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + uvs1.push( uvCopy ); } - extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); + }, - infoRender.calls ++; - infoRender.vertices += count * geometry.maxInstancedCount; + mergeMesh: function ( mesh ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + if ( (mesh && mesh.isMesh) === false ) { - } + console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh ); + return; - return { + } - setMode: setMode, - setIndex: setIndex, - render: render, - renderInstances: renderInstances + mesh.matrixAutoUpdate && mesh.updateMatrix(); - }; + this.merge( mesh.geometry, mesh.matrix ); - } + }, - /** - * @author mrdoob / http://mrdoob.com/ - */ + /* + * Checks for duplicate vertices with hashmap. + * Duplicated vertices are removed + * and faces' vertices are updated. + */ - function WebGLBufferRenderer( gl, extensions, infoRender ) { + mergeVertices: function () { - var mode; + var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique) + var unique = [], changes = []; - function setMode( value ) { + var v, key; + var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001 + var precision = Math.pow( 10, precisionPoints ); + var i, il, face; + var indices, j, jl; - mode = value; + for ( i = 0, il = this.vertices.length; i < il; i ++ ) { - } + v = this.vertices[ i ]; + key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision ); - function render( start, count ) { + if ( verticesMap[ key ] === undefined ) { - gl.drawArrays( mode, start, count ); + verticesMap[ key ] = i; + unique.push( this.vertices[ i ] ); + changes[ i ] = unique.length - 1; - infoRender.calls ++; - infoRender.vertices += count; + } else { - if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; + //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]); + changes[ i ] = changes[ verticesMap[ key ] ]; - } + } - function renderInstances( geometry ) { + } - var extension = extensions.get( 'ANGLE_instanced_arrays' ); - if ( extension === null ) { + // if faces are completely degenerate after merging vertices, we + // have to remove them from the geometry. + var faceIndicesToRemove = []; - console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + for ( i = 0, il = this.faces.length; i < il; i ++ ) { - } + face = this.faces[ i ]; - var position = geometry.attributes.position; + face.a = changes[ face.a ]; + face.b = changes[ face.b ]; + face.c = changes[ face.c ]; - var count = 0; + indices = [ face.a, face.b, face.c ]; - if ( (position && position.isInterleavedBufferAttribute) ) { + var dupIndex = - 1; - count = position.data.count; + // if any duplicate vertices are found in a Face3 + // we have to remove the face as nothing can be saved + for ( var n = 0; n < 3; n ++ ) { - extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) { - } else { + dupIndex = n; + faceIndicesToRemove.push( i ); + break; - count = position.count; + } - extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); + } } - infoRender.calls ++; - infoRender.vertices += count * geometry.maxInstancedCount; + for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) { - if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; + var idx = faceIndicesToRemove[ i ]; - } + this.faces.splice( idx, 1 ); - return { - setMode: setMode, - render: render, - renderInstances: renderInstances - }; + for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) { - } + this.faceVertexUvs[ j ].splice( idx, 1 ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function WebGLLights() { + } - var lights = {}; + // Use unique set of vertices - return { + var diff = this.vertices.length - unique.length; + this.vertices = unique; + return diff; - get: function ( light ) { + }, - if ( lights[ light.id ] !== undefined ) { + sortFacesByMaterialIndex: function () { - return lights[ light.id ]; + var faces = this.faces; + var length = faces.length; - } + // tag faces - var uniforms; + for ( var i = 0; i < length; i ++ ) { - switch ( light.type ) { + faces[ i ]._id = i; - case 'DirectionalLight': - uniforms = { - direction: new Vector3(), - color: new Color(), + } - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + // sort faces - case 'SpotLight': - uniforms = { - position: new Vector3(), - direction: new Vector3(), - color: new Color(), - distance: 0, - coneCos: 0, - penumbraCos: 0, - decay: 0, + function materialIndexSort( a, b ) { - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + return a.materialIndex - b.materialIndex; - case 'PointLight': - uniforms = { - position: new Vector3(), - color: new Color(), - distance: 0, - decay: 0, + } - shadow: false, - shadowBias: 0, - shadowRadius: 1, - shadowMapSize: new Vector2() - }; - break; + faces.sort( materialIndexSort ); - case 'HemisphereLight': - uniforms = { - direction: new Vector3(), - skyColor: new Color(), - groundColor: new Color() - }; - break; + // sort uvs - } + var uvs1 = this.faceVertexUvs[ 0 ]; + var uvs2 = this.faceVertexUvs[ 1 ]; - lights[ light.id ] = uniforms; + var newUvs1, newUvs2; - return uniforms; + if ( uvs1 && uvs1.length === length ) newUvs1 = []; + if ( uvs2 && uvs2.length === length ) newUvs2 = []; + + for ( var i = 0; i < length; i ++ ) { + + var id = faces[ i ]._id; + + if ( newUvs1 ) newUvs1.push( uvs1[ id ] ); + if ( newUvs2 ) newUvs2.push( uvs2[ id ] ); } - }; + if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1; + if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2; - } + }, - /** - * @author mrdoob / http://mrdoob.com/ - */ + toJSON: function () { - function addLineNumbers( string ) { + var data = { + metadata: { + version: 4.4, + type: 'Geometry', + generator: 'Geometry.toJSON' + } + }; - var lines = string.split( '\n' ); + // standard Geometry serialization - for ( var i = 0; i < lines.length; i ++ ) { + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; - lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; + if ( this.parameters !== undefined ) { - } + var parameters = this.parameters; - return lines.join( '\n' ); + for ( var key in parameters ) { - } + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - function WebGLShader( gl, type, string ) { + } - var shader = gl.createShader( type ); + return data; - gl.shaderSource( shader, string ); - gl.compileShader( shader ); + } - if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { + var vertices = []; - console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); + for ( var i = 0; i < this.vertices.length; i ++ ) { - } + var vertex = this.vertices[ i ]; + vertices.push( vertex.x, vertex.y, vertex.z ); - if ( gl.getShaderInfoLog( shader ) !== '' ) { + } - console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); + var faces = []; + var normals = []; + var normalsHash = {}; + var colors = []; + var colorsHash = {}; + var uvs = []; + var uvsHash = {}; - } + for ( var i = 0; i < this.faces.length; i ++ ) { - // --enable-privileged-webgl-extension - // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + var face = this.faces[ i ]; - return shader; + var hasMaterial = true; + var hasFaceUv = false; // deprecated + var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined; + var hasFaceNormal = face.normal.length() > 0; + var hasFaceVertexNormal = face.vertexNormals.length > 0; + var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1; + var hasFaceVertexColor = face.vertexColors.length > 0; - } + var faceType = 0; - /** - * @author mrdoob / http://mrdoob.com/ - */ + faceType = setBit( faceType, 0, 0 ); // isQuad + faceType = setBit( faceType, 1, hasMaterial ); + faceType = setBit( faceType, 2, hasFaceUv ); + faceType = setBit( faceType, 3, hasFaceVertexUv ); + faceType = setBit( faceType, 4, hasFaceNormal ); + faceType = setBit( faceType, 5, hasFaceVertexNormal ); + faceType = setBit( faceType, 6, hasFaceColor ); + faceType = setBit( faceType, 7, hasFaceVertexColor ); - var programIdCount = 0; + faces.push( faceType ); + faces.push( face.a, face.b, face.c ); + faces.push( face.materialIndex ); - function getEncodingComponents( encoding ) { + if ( hasFaceVertexUv ) { - switch ( encoding ) { + var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ]; - case LinearEncoding: - return [ 'Linear','( value )' ]; - case sRGBEncoding: - return [ 'sRGB','( value )' ]; - case RGBEEncoding: - return [ 'RGBE','( value )' ]; - case RGBM7Encoding: - return [ 'RGBM','( value, 7.0 )' ]; - case RGBM16Encoding: - return [ 'RGBM','( value, 16.0 )' ]; - case RGBDEncoding: - return [ 'RGBD','( value, 256.0 )' ]; - case GammaEncoding: - return [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ]; - default: - throw new Error( 'unsupported encoding: ' + encoding ); + faces.push( + getUvIndex( faceVertexUvs[ 0 ] ), + getUvIndex( faceVertexUvs[ 1 ] ), + getUvIndex( faceVertexUvs[ 2 ] ) + ); - } + } - } + if ( hasFaceNormal ) { - function getTexelDecodingFunction( functionName, encoding ) { + faces.push( getNormalIndex( face.normal ) ); - var components = getEncodingComponents( encoding ); - return "vec4 " + functionName + "( vec4 value ) { return " + components[ 0 ] + "ToLinear" + components[ 1 ] + "; }"; + } - } + if ( hasFaceVertexNormal ) { - function getTexelEncodingFunction( functionName, encoding ) { + var vertexNormals = face.vertexNormals; - var components = getEncodingComponents( encoding ); - return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[ 0 ] + components[ 1 ] + "; }"; + faces.push( + getNormalIndex( vertexNormals[ 0 ] ), + getNormalIndex( vertexNormals[ 1 ] ), + getNormalIndex( vertexNormals[ 2 ] ) + ); - } + } - function getToneMappingFunction( functionName, toneMapping ) { + if ( hasFaceColor ) { - var toneMappingName; + faces.push( getColorIndex( face.color ) ); - switch ( toneMapping ) { + } - case LinearToneMapping: - toneMappingName = "Linear"; - break; + if ( hasFaceVertexColor ) { - case ReinhardToneMapping: - toneMappingName = "Reinhard"; - break; + var vertexColors = face.vertexColors; - case Uncharted2ToneMapping: - toneMappingName = "Uncharted2"; - break; + faces.push( + getColorIndex( vertexColors[ 0 ] ), + getColorIndex( vertexColors[ 1 ] ), + getColorIndex( vertexColors[ 2 ] ) + ); - case CineonToneMapping: - toneMappingName = "OptimizedCineon"; - break; + } - default: - throw new Error( 'unsupported toneMapping: ' + toneMapping ); + } - } + function setBit( value, position, enabled ) { - return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; + return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) ); - } + } - function generateExtensions( extensions, parameters, rendererExtensions ) { + function getNormalIndex( normal ) { - extensions = extensions || {}; + var hash = normal.x.toString() + normal.y.toString() + normal.z.toString(); - var chunks = [ - ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', - ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', - ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', - ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '', - ]; + if ( normalsHash[ hash ] !== undefined ) { - return chunks.filter( filterEmptyLine ).join( '\n' ); + return normalsHash[ hash ]; - } + } - function generateDefines( defines ) { + normalsHash[ hash ] = normals.length / 3; + normals.push( normal.x, normal.y, normal.z ); - var chunks = []; + return normalsHash[ hash ]; - for ( var name in defines ) { + } - var value = defines[ name ]; + function getColorIndex( color ) { - if ( value === false ) continue; + var hash = color.r.toString() + color.g.toString() + color.b.toString(); - chunks.push( '#define ' + name + ' ' + value ); + if ( colorsHash[ hash ] !== undefined ) { - } + return colorsHash[ hash ]; - return chunks.join( '\n' ); + } - } + colorsHash[ hash ] = colors.length; + colors.push( color.getHex() ); - function fetchAttributeLocations( gl, program, identifiers ) { + return colorsHash[ hash ]; - var attributes = {}; + } - var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); + function getUvIndex( uv ) { - for ( var i = 0; i < n; i ++ ) { + var hash = uv.x.toString() + uv.y.toString(); - var info = gl.getActiveAttrib( program, i ); - var name = info.name; + if ( uvsHash[ hash ] !== undefined ) { - // console.log("THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:", name, i ); + return uvsHash[ hash ]; - attributes[ name ] = gl.getAttribLocation( program, name ); + } - } + uvsHash[ hash ] = uvs.length / 2; + uvs.push( uv.x, uv.y ); - return attributes; + return uvsHash[ hash ]; - } + } - function filterEmptyLine( string ) { + data.data = {}; - return string !== ''; + data.data.vertices = vertices; + data.data.normals = normals; + if ( colors.length > 0 ) data.data.colors = colors; + if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility + data.data.faces = faces; - } + return data; - function replaceLightNums( string, parameters ) { + }, - return string - .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) - .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) - .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) - .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ); + clone: function () { - } + /* + // Handle primitives - function parseIncludes( string ) { + var parameters = this.parameters; - var pattern = /#include +<([\w\d.]+)>/g; + if ( parameters !== undefined ) { - function replace( match, include ) { + var values = []; - var replace = ShaderChunk[ include ]; + for ( var key in parameters ) { - if ( replace === undefined ) { + values.push( parameters[ key ] ); - throw new Error( 'Can not resolve #include <' + include + '>' ); + } + + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; } - return parseIncludes( replace ); + return new this.constructor().copy( this ); + */ - } + return new Geometry().copy( this ); - return string.replace( pattern, replace ); + }, - } + copy: function ( source ) { - function unrollLoops( string ) { + this.vertices = []; + this.faces = []; + this.faceVertexUvs = [ [] ]; + this.colors = []; - var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; + var vertices = source.vertices; - function replace( match, start, end, snippet ) { + for ( var i = 0, il = vertices.length; i < il; i ++ ) { - var unroll = ''; + this.vertices.push( vertices[ i ].clone() ); - for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + } - unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); + var colors = source.colors; + + for ( var i = 0, il = colors.length; i < il; i ++ ) { + + this.colors.push( colors[ i ].clone() ); } - return unroll; + var faces = source.faces; - } + for ( var i = 0, il = faces.length; i < il; i ++ ) { - return string.replace( pattern, replace ); + this.faces.push( faces[ i ].clone() ); - } + } - function WebGLProgram( renderer, code, material, parameters ) { + for ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) { - var gl = renderer.context; + var faceVertexUvs = source.faceVertexUvs[ i ]; - var extensions = material.extensions; - var defines = material.defines; + if ( this.faceVertexUvs[ i ] === undefined ) { - var vertexShader = material.__webglShader.vertexShader; - var fragmentShader = material.__webglShader.fragmentShader; + this.faceVertexUvs[ i ] = []; - var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + } - if ( parameters.shadowMapType === PCFShadowMap ) { + for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) { - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + var uvs = faceVertexUvs[ j ], uvsCopy = []; - } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + for ( var k = 0, kl = uvs.length; k < kl; k ++ ) { - shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + var uv = uvs[ k ]; - } + uvsCopy.push( uv.clone() ); - var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; - var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + } - if ( parameters.envMap ) { + this.faceVertexUvs[ i ].push( uvsCopy ); - switch ( material.envMap.mapping ) { + } - case CubeReflectionMapping: - case CubeRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; - break; + } - case CubeUVReflectionMapping: - case CubeUVRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; - break; + return this; - case EquirectangularReflectionMapping: - case EquirectangularRefractionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; - break; + }, - case SphericalReflectionMapping: - envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; - break; + dispose: function () { - } + this.dispatchEvent( { type: 'dispose' } ); - switch ( material.envMap.mapping ) { + } - case CubeRefractionMapping: - case EquirectangularRefractionMapping: - envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; - break; + } ); - } + var count$3 = 0; + function GeometryIdCount() { return count$3++; } - switch ( material.combine ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - case MultiplyOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - break; + function DirectGeometry() { - case MixOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; - break; + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - case AddOperation: - envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; - break; + this.uuid = _Math.generateUUID(); - } + this.name = ''; + this.type = 'DirectGeometry'; - } + this.indices = []; + this.vertices = []; + this.normals = []; + this.colors = []; + this.uvs = []; + this.uvs2 = []; - var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; + this.groups = []; - // console.log( 'building new program ' ); + this.morphTargets = {}; - // + this.skinWeights = []; + this.skinIndices = []; - var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); + // this.lineDistances = []; - var customDefines = generateDefines( defines ); + this.boundingBox = null; + this.boundingSphere = null; - // + // update flags - var program = gl.createProgram(); + this.verticesNeedUpdate = false; + this.normalsNeedUpdate = false; + this.colorsNeedUpdate = false; + this.uvsNeedUpdate = false; + this.groupsNeedUpdate = false; - var prefixVertex, prefixFragment; + } - if ( material.isRawShaderMaterial ) { + Object.assign( DirectGeometry.prototype, EventDispatcher.prototype, { - prefixVertex = [ + computeBoundingBox: Geometry.prototype.computeBoundingBox, + computeBoundingSphere: Geometry.prototype.computeBoundingSphere, - customDefines, + computeFaceNormals: function () { - '\n' + console.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' ); - ].filter( filterEmptyLine ).join( '\n' ); + }, - prefixFragment = [ + computeVertexNormals: function () { - customExtensions, - customDefines, + console.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' ); - '\n' + }, - ].filter( filterEmptyLine ).join( '\n' ); + computeGroups: function ( geometry ) { - } else { + var group; + var groups = []; + var materialIndex; - prefixVertex = [ + var faces = geometry.faces; - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', + for ( var i = 0; i < faces.length; i ++ ) { - '#define SHADER_NAME ' + material.__webglShader.name, + var face = faces[ i ]; - customDefines, + // materials - parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + if ( face.materialIndex !== materialIndex ) { - '#define GAMMA_FACTOR ' + gammaFactorDefine, + materialIndex = face.materialIndex; - '#define MAX_BONES ' + parameters.maxBones, + if ( group !== undefined ) { - parameters.map ? '#define USE_MAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', + group.count = ( i * 3 ) - group.start; + groups.push( group ); - parameters.flatShading ? '#define FLAT_SHADED' : '', + } - parameters.skinning ? '#define USE_SKINNING' : '', - parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', + group = { + start: i * 3, + materialIndex: materialIndex + }; - parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', - parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', + } - '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + } - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + if ( group !== undefined ) { - parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + group.count = ( i * 3 ) - group.start; + groups.push( group ); - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + } - 'uniform mat4 modelMatrix;', - 'uniform mat4 modelViewMatrix;', - 'uniform mat4 projectionMatrix;', - 'uniform mat4 viewMatrix;', - 'uniform mat3 normalMatrix;', - 'uniform vec3 cameraPosition;', + this.groups = groups; - 'attribute vec3 position;', - 'attribute vec3 normal;', - 'attribute vec2 uv;', + }, - '#ifdef USE_COLOR', + fromGeometry: function ( geometry ) { - ' attribute vec3 color;', + var faces = geometry.faces; + var vertices = geometry.vertices; + var faceVertexUvs = geometry.faceVertexUvs; - '#endif', + var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0; + var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0; - '#ifdef USE_MORPHTARGETS', + // morphs - ' attribute vec3 morphTarget0;', - ' attribute vec3 morphTarget1;', - ' attribute vec3 morphTarget2;', - ' attribute vec3 morphTarget3;', + var morphTargets = geometry.morphTargets; + var morphTargetsLength = morphTargets.length; - ' #ifdef USE_MORPHNORMALS', + var morphTargetsPosition; - ' attribute vec3 morphNormal0;', - ' attribute vec3 morphNormal1;', - ' attribute vec3 morphNormal2;', - ' attribute vec3 morphNormal3;', + if ( morphTargetsLength > 0 ) { - ' #else', + morphTargetsPosition = []; - ' attribute vec3 morphTarget4;', - ' attribute vec3 morphTarget5;', - ' attribute vec3 morphTarget6;', - ' attribute vec3 morphTarget7;', + for ( var i = 0; i < morphTargetsLength; i ++ ) { - ' #endif', + morphTargetsPosition[ i ] = []; - '#endif', + } - '#ifdef USE_SKINNING', + this.morphTargets.position = morphTargetsPosition; - ' attribute vec4 skinIndex;', - ' attribute vec4 skinWeight;', + } - '#endif', + var morphNormals = geometry.morphNormals; + var morphNormalsLength = morphNormals.length; - '\n' + var morphTargetsNormal; - ].filter( filterEmptyLine ).join( '\n' ); + if ( morphNormalsLength > 0 ) { - prefixFragment = [ + morphTargetsNormal = []; - customExtensions, + for ( var i = 0; i < morphNormalsLength; i ++ ) { - 'precision ' + parameters.precision + ' float;', - 'precision ' + parameters.precision + ' int;', + morphTargetsNormal[ i ] = []; - '#define SHADER_NAME ' + material.__webglShader.name, + } - customDefines, + this.morphTargets.normal = morphTargetsNormal; - parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', + } - '#define GAMMA_FACTOR ' + gammaFactorDefine, + // skins - ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', - ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', + var skinIndices = geometry.skinIndices; + var skinWeights = geometry.skinWeights; - parameters.map ? '#define USE_MAP' : '', - parameters.envMap ? '#define USE_ENVMAP' : '', - parameters.envMap ? '#define ' + envMapTypeDefine : '', - parameters.envMap ? '#define ' + envMapModeDefine : '', - parameters.envMap ? '#define ' + envMapBlendingDefine : '', - parameters.lightMap ? '#define USE_LIGHTMAP' : '', - parameters.aoMap ? '#define USE_AOMAP' : '', - parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', - parameters.bumpMap ? '#define USE_BUMPMAP' : '', - parameters.normalMap ? '#define USE_NORMALMAP' : '', - parameters.specularMap ? '#define USE_SPECULARMAP' : '', - parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', - parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', - parameters.alphaMap ? '#define USE_ALPHAMAP' : '', - parameters.vertexColors ? '#define USE_COLOR' : '', + var hasSkinIndices = skinIndices.length === vertices.length; + var hasSkinWeights = skinWeights.length === vertices.length; - parameters.flatShading ? '#define FLAT_SHADED' : '', + // - parameters.doubleSided ? '#define DOUBLE_SIDED' : '', - parameters.flipSided ? '#define FLIP_SIDED' : '', + for ( var i = 0; i < faces.length; i ++ ) { - '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, - '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), + var face = faces[ i ]; - parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', - parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] ); - parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : '', + var vertexNormals = face.vertexNormals; - parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : '', + if ( vertexNormals.length === 3 ) { - parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', - parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] ); - parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', + } else { - 'uniform mat4 viewMatrix;', - 'uniform vec3 cameraPosition;', + var normal = face.normal; - ( parameters.toneMapping !== NoToneMapping ) ? "#define TONE_MAPPING" : '', - ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below - ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( "toneMapping", parameters.toneMapping ) : '', + this.normals.push( normal, normal, normal ); - ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below - parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', - parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', - parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', - parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', + } - parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', + var vertexColors = face.vertexColors; - '\n' + if ( vertexColors.length === 3 ) { - ].filter( filterEmptyLine ).join( '\n' ); + this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] ); - } + } else { - vertexShader = parseIncludes( vertexShader, parameters ); - vertexShader = replaceLightNums( vertexShader, parameters ); + var color = face.color; - fragmentShader = parseIncludes( fragmentShader, parameters ); - fragmentShader = replaceLightNums( fragmentShader, parameters ); + this.colors.push( color, color, color ); - if ( ! material.isShaderMaterial ) { + } - vertexShader = unrollLoops( vertexShader ); - fragmentShader = unrollLoops( fragmentShader ); + if ( hasFaceVertexUv === true ) { - } + var vertexUvs = faceVertexUvs[ 0 ][ i ]; - var vertexGlsl = prefixVertex + vertexShader; - var fragmentGlsl = prefixFragment + fragmentShader; + if ( vertexUvs !== undefined ) { - // console.log( '*VERTEX*', vertexGlsl ); - // console.log( '*FRAGMENT*', fragmentGlsl ); + this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); - var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); + } else { - gl.attachShader( program, glVertexShader ); - gl.attachShader( program, glFragmentShader ); + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i ); - // Force a particular attribute to index 0. + this.uvs.push( new Vector2(), new Vector2(), new Vector2() ); - if ( material.index0AttributeName !== undefined ) { + } - gl.bindAttribLocation( program, 0, material.index0AttributeName ); + } - } else if ( parameters.morphTargets === true ) { + if ( hasFaceVertexUv2 === true ) { - // programs with morphTargets displace position out of attribute 0 - gl.bindAttribLocation( program, 0, 'position' ); + var vertexUvs = faceVertexUvs[ 1 ][ i ]; - } + if ( vertexUvs !== undefined ) { - gl.linkProgram( program ); + this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] ); - var programLog = gl.getProgramInfoLog( program ); - var vertexLog = gl.getShaderInfoLog( glVertexShader ); - var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); + } else { - var runnable = true; - var haveDiagnostics = true; + console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i ); - // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); - // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); + this.uvs2.push( new Vector2(), new Vector2(), new Vector2() ); - if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { + } - runnable = false; + } - console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); + // morphs - } else if ( programLog !== '' ) { + for ( var j = 0; j < morphTargetsLength; j ++ ) { - console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); + var morphTarget = morphTargets[ j ].vertices; - } else if ( vertexLog === '' || fragmentLog === '' ) { + morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] ); - haveDiagnostics = false; + } - } + for ( var j = 0; j < morphNormalsLength; j ++ ) { - if ( haveDiagnostics ) { + var morphNormal = morphNormals[ j ].vertexNormals[ i ]; - this.diagnostics = { + morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c ); - runnable: runnable, - material: material, + } - programLog: programLog, + // skins - vertexShader: { + if ( hasSkinIndices ) { - log: vertexLog, - prefix: prefixVertex + this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] ); - }, + } - fragmentShader: { + if ( hasSkinWeights ) { - log: fragmentLog, - prefix: prefixFragment + this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] ); } - }; + } - } + this.computeGroups( geometry ); - // clean up + this.verticesNeedUpdate = geometry.verticesNeedUpdate; + this.normalsNeedUpdate = geometry.normalsNeedUpdate; + this.colorsNeedUpdate = geometry.colorsNeedUpdate; + this.uvsNeedUpdate = geometry.uvsNeedUpdate; + this.groupsNeedUpdate = geometry.groupsNeedUpdate; - gl.deleteShader( glVertexShader ); - gl.deleteShader( glFragmentShader ); + return this; - // set up caching for uniform locations + }, - var cachedUniforms; + dispose: function () { - this.getUniforms = function() { + this.dispatchEvent( { type: 'dispose' } ); - if ( cachedUniforms === undefined ) { + } - cachedUniforms = - new WebGLUniforms( gl, program, renderer ); + } ); - } + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - return cachedUniforms; + function BufferGeometry() { - }; + Object.defineProperty( this, 'id', { value: GeometryIdCount() } ); - // set up caching for attribute locations + this.uuid = _Math.generateUUID(); - var cachedAttributes; + this.name = ''; + this.type = 'BufferGeometry'; - this.getAttributes = function() { + this.index = null; + this.attributes = {}; - if ( cachedAttributes === undefined ) { + this.morphAttributes = {}; - cachedAttributes = fetchAttributeLocations( gl, program ); + this.groups = []; - } + this.boundingBox = null; + this.boundingSphere = null; - return cachedAttributes; + this.drawRange = { start: 0, count: Infinity }; - }; + } - // free resource + Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, { - this.destroy = function() { + isBufferGeometry: true, - gl.deleteProgram( program ); - this.program = undefined; + getIndex: function () { - }; + return this.index; - // DEPRECATED + }, - Object.defineProperties( this, { + setIndex: function ( index ) { - uniforms: { - get: function() { + this.index = index; - console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); - return this.getUniforms(); + }, - } - }, + addAttribute: function ( name, attribute ) { - attributes: { - get: function() { + if ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) { - console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); - return this.getAttributes(); + console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' ); + + this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) ); + + return; - } } - } ); + if ( name === 'index' ) { + console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' ); + this.setIndex( attribute ); - // + return; - this.id = programIdCount ++; - this.code = code; - this.usedTimes = 1; - this.program = program; - this.vertexShader = glVertexShader; - this.fragmentShader = glFragmentShader; + } - return this; + this.attributes[ name ] = attribute; - } + return this; - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function WebGLPrograms( renderer, capabilities ) { + getAttribute: function ( name ) { - var programs = []; + return this.attributes[ name ]; - var shaderIDs = { - MeshDepthMaterial: 'depth', - MeshNormalMaterial: 'normal', - MeshBasicMaterial: 'basic', - MeshLambertMaterial: 'lambert', - MeshPhongMaterial: 'phong', - MeshStandardMaterial: 'physical', - MeshPhysicalMaterial: 'physical', - LineBasicMaterial: 'basic', - LineDashedMaterial: 'dashed', - PointsMaterial: 'points' - }; + }, - var parameterNames = [ - "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", - "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", - "roughnessMap", "metalnessMap", - "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", - "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", - "maxBones", "useVertexTexture", "morphTargets", "morphNormals", - "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", - "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", - "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', - "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" - ]; + removeAttribute: function ( name ) { + delete this.attributes[ name ]; - function allocateBones( object ) { + return this; - if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { + }, - return 1024; + addGroup: function ( start, count, materialIndex ) { - } else { + this.groups.push( { - // default for when object is not specified - // ( for example when prebuilding shader to be used with multiple objects ) - // - // - leave some extra space for other uniforms - // - limit here is ANGLE's 254 max uniform vectors - // (up to 54 should be safe) + start: start, + count: count, + materialIndex: materialIndex !== undefined ? materialIndex : 0 - var nVertexUniforms = capabilities.maxVertexUniforms; - var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); + } ); - var maxBones = nVertexMatrices; + }, - if ( object !== undefined && (object && object.isSkinnedMesh) ) { + clearGroups: function () { - maxBones = Math.min( object.skeleton.bones.length, maxBones ); + this.groups = []; - if ( maxBones < object.skeleton.bones.length ) { + }, - console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); + setDrawRange: function ( start, count ) { - } + this.drawRange.start = start; + this.drawRange.count = count; - } + }, - return maxBones; + applyMatrix: function ( matrix ) { - } + var position = this.attributes.position; - } + if ( position !== undefined ) { - function getTextureEncodingFromMap( map, gammaOverrideLinear ) { + matrix.applyToVector3Array( position.array ); + position.needsUpdate = true; - var encoding; + } - if ( ! map ) { + var normal = this.attributes.normal; - encoding = LinearEncoding; + if ( normal !== undefined ) { - } else if ( (map && map.isTexture) ) { + var normalMatrix = new Matrix3().getNormalMatrix( matrix ); - encoding = map.encoding; + normalMatrix.applyToVector3Array( normal.array ); + normal.needsUpdate = true; - } else if ( (map && map.isWebGLRenderTarget) ) { + } - console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); - encoding = map.texture.encoding; + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); } - // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. - if ( encoding === LinearEncoding && gammaOverrideLinear ) { + if ( this.boundingSphere !== null ) { - encoding = GammaEncoding; + this.computeBoundingSphere(); } - return encoding; + return this; - } + }, - this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { + rotateX: function () { - var shaderID = shaderIDs[ material.type ]; + // rotate geometry around world x-axis - // heuristics to create shader parameters according to lights in the scene - // (not to blow over maxLights budget) + var m1; - var maxBones = allocateBones( object ); - var precision = renderer.getPrecision(); + return function rotateX( angle ) { - if ( material.precision !== null ) { + if ( m1 === undefined ) m1 = new Matrix4(); - precision = capabilities.getMaxPrecision( material.precision ); + m1.makeRotationX( angle ); - if ( precision !== material.precision ) { + this.applyMatrix( m1 ); - console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + return this; - } + }; - } + }(), - var currentRenderTarget = renderer.getCurrentRenderTarget(); + rotateY: function () { - var parameters = { + // rotate geometry around world y-axis - shaderID: shaderID, + var m1; - precision: precision, - supportsVertexTextures: capabilities.vertexTextures, - outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), - map: !! material.map, - mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), - envMap: !! material.envMap, - envMapMode: material.envMap && material.envMap.mapping, - envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), - envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), - lightMap: !! material.lightMap, - aoMap: !! material.aoMap, - emissiveMap: !! material.emissiveMap, - emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), - bumpMap: !! material.bumpMap, - normalMap: !! material.normalMap, - displacementMap: !! material.displacementMap, - roughnessMap: !! material.roughnessMap, - metalnessMap: !! material.metalnessMap, - specularMap: !! material.specularMap, - alphaMap: !! material.alphaMap, + return function rotateY( angle ) { - combine: material.combine, + if ( m1 === undefined ) m1 = new Matrix4(); - vertexColors: material.vertexColors, + m1.makeRotationY( angle ); - fog: !! fog, - useFog: material.fog, - fogExp: (fog && fog.isFogExp2), + this.applyMatrix( m1 ); - flatShading: material.shading === FlatShading, + return this; - sizeAttenuation: material.sizeAttenuation, - logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, + }; - skinning: material.skinning, - maxBones: maxBones, - useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, + }(), - morphTargets: material.morphTargets, - morphNormals: material.morphNormals, - maxMorphTargets: renderer.maxMorphTargets, - maxMorphNormals: renderer.maxMorphNormals, + rotateZ: function () { - numDirLights: lights.directional.length, - numPointLights: lights.point.length, - numSpotLights: lights.spot.length, - numHemiLights: lights.hemi.length, + // rotate geometry around world z-axis - numClippingPlanes: nClipPlanes, - numClipIntersection: nClipIntersection, + var m1; - shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, - shadowMapType: renderer.shadowMap.type, + return function rotateZ( angle ) { - toneMapping: renderer.toneMapping, - physicallyCorrectLights: renderer.physicallyCorrectLights, + if ( m1 === undefined ) m1 = new Matrix4(); - premultipliedAlpha: material.premultipliedAlpha, + m1.makeRotationZ( angle ); - alphaTest: material.alphaTest, - doubleSided: material.side === DoubleSide, - flipSided: material.side === BackSide, + this.applyMatrix( m1 ); - depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false + return this; }; - return parameters; + }(), - }; + translate: function () { - this.getProgramCode = function ( material, parameters ) { + // translate geometry - var array = []; + var m1; - if ( parameters.shaderID ) { + return function translate( x, y, z ) { - array.push( parameters.shaderID ); + if ( m1 === undefined ) m1 = new Matrix4(); - } else { + m1.makeTranslation( x, y, z ); - array.push( material.fragmentShader ); - array.push( material.vertexShader ); + this.applyMatrix( m1 ); - } + return this; - if ( material.defines !== undefined ) { + }; - for ( var name in material.defines ) { + }(), - array.push( name ); - array.push( material.defines[ name ] ); + scale: function () { - } + // scale geometry - } + var m1; - for ( var i = 0; i < parameterNames.length; i ++ ) { + return function scale( x, y, z ) { - array.push( parameters[ parameterNames[ i ] ] ); + if ( m1 === undefined ) m1 = new Matrix4(); - } + m1.makeScale( x, y, z ); - return array.join(); + this.applyMatrix( m1 ); - }; + return this; - this.acquireProgram = function ( material, parameters, code ) { + }; - var program; + }(), - // Check if code has been already compiled - for ( var p = 0, pl = programs.length; p < pl; p ++ ) { + lookAt: function () { - var programInfo = programs[ p ]; + var obj; - if ( programInfo.code === code ) { + return function lookAt( vector ) { - program = programInfo; - ++ program.usedTimes; + if ( obj === undefined ) obj = new Object3D(); - break; + obj.lookAt( vector ); - } + obj.updateMatrix(); - } + this.applyMatrix( obj.matrix ); - if ( program === undefined ) { + }; - program = new WebGLProgram( renderer, code, material, parameters ); - programs.push( program ); + }(), - } + center: function () { - return program; + this.computeBoundingBox(); - }; + var offset = this.boundingBox.getCenter().negate(); - this.releaseProgram = function( program ) { + this.translate( offset.x, offset.y, offset.z ); - if ( -- program.usedTimes === 0 ) { + return offset; - // Remove from unordered set - var i = programs.indexOf( program ); - programs[ i ] = programs[ programs.length - 1 ]; - programs.pop(); + }, - // Free WebGL resources - program.destroy(); + setFromObject: function ( object ) { - } + // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this ); - }; + var geometry = object.geometry; - // Exposed for resource monitoring & error feedback via renderer.info: - this.programs = programs; + if ( (object && object.isPoints) || (object && object.isLine) ) { - } + var positions = new Float32Attribute( geometry.vertices.length * 3, 3 ); + var colors = new Float32Attribute( geometry.colors.length * 3, 3 ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) ); + this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) ); - function WebGLGeometries( gl, properties, info ) { + if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) { - var geometries = {}; + var lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 ); - function onGeometryDispose( event ) { + this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) ); - var geometry = event.target; - var buffergeometry = geometries[ geometry.id ]; + } - if ( buffergeometry.index !== null ) { + if ( geometry.boundingSphere !== null ) { - deleteAttribute( buffergeometry.index ); + this.boundingSphere = geometry.boundingSphere.clone(); - } + } - deleteAttributes( buffergeometry.attributes ); + if ( geometry.boundingBox !== null ) { - geometry.removeEventListener( 'dispose', onGeometryDispose ); + this.boundingBox = geometry.boundingBox.clone(); - delete geometries[ geometry.id ]; + } - // TODO + } else if ( (object && object.isMesh) ) { - var property = properties.get( geometry ); + if ( (geometry && geometry.isGeometry) ) { - if ( property.wireframe ) { + this.fromGeometry( geometry ); - deleteAttribute( property.wireframe ); + } } - properties.delete( geometry ); - - var bufferproperty = properties.get( buffergeometry ); + return this; - if ( bufferproperty.wireframe ) { + }, - deleteAttribute( bufferproperty.wireframe ); + updateFromObject: function ( object ) { - } + var geometry = object.geometry; - properties.delete( buffergeometry ); + if ( (object && object.isMesh) ) { - // + var direct = geometry.__directGeometry; - info.memory.geometries --; + if ( geometry.elementsNeedUpdate === true ) { - } + direct = undefined; + geometry.elementsNeedUpdate = false; - function getAttributeBuffer( attribute ) { + } - if ( attribute.isInterleavedBufferAttribute ) { + if ( direct === undefined ) { - return properties.get( attribute.data ).__webglBuffer; + return this.fromGeometry( geometry ); - } + } - return properties.get( attribute ).__webglBuffer; + direct.verticesNeedUpdate = geometry.verticesNeedUpdate; + direct.normalsNeedUpdate = geometry.normalsNeedUpdate; + direct.colorsNeedUpdate = geometry.colorsNeedUpdate; + direct.uvsNeedUpdate = geometry.uvsNeedUpdate; + direct.groupsNeedUpdate = geometry.groupsNeedUpdate; - } + geometry.verticesNeedUpdate = false; + geometry.normalsNeedUpdate = false; + geometry.colorsNeedUpdate = false; + geometry.uvsNeedUpdate = false; + geometry.groupsNeedUpdate = false; - function deleteAttribute( attribute ) { + geometry = direct; - var buffer = getAttributeBuffer( attribute ); + } - if ( buffer !== undefined ) { + var attribute; - gl.deleteBuffer( buffer ); - removeAttributeBuffer( attribute ); + if ( geometry.verticesNeedUpdate === true ) { - } + attribute = this.attributes.position; - } + if ( attribute !== undefined ) { - function deleteAttributes( attributes ) { + attribute.copyVector3sArray( geometry.vertices ); + attribute.needsUpdate = true; - for ( var name in attributes ) { + } - deleteAttribute( attributes[ name ] ); + geometry.verticesNeedUpdate = false; } - } + if ( geometry.normalsNeedUpdate === true ) { - function removeAttributeBuffer( attribute ) { + attribute = this.attributes.normal; - if ( attribute.isInterleavedBufferAttribute ) { + if ( attribute !== undefined ) { - properties.delete( attribute.data ); + attribute.copyVector3sArray( geometry.normals ); + attribute.needsUpdate = true; - } else { + } - properties.delete( attribute ); + geometry.normalsNeedUpdate = false; } - } + if ( geometry.colorsNeedUpdate === true ) { - return { + attribute = this.attributes.color; - get: function ( object ) { + if ( attribute !== undefined ) { - var geometry = object.geometry; + attribute.copyColorsArray( geometry.colors ); + attribute.needsUpdate = true; - if ( geometries[ geometry.id ] !== undefined ) { + } - return geometries[ geometry.id ]; + geometry.colorsNeedUpdate = false; - } + } - geometry.addEventListener( 'dispose', onGeometryDispose ); + if ( geometry.uvsNeedUpdate ) { - var buffergeometry; + attribute = this.attributes.uv; - if ( geometry.isBufferGeometry ) { + if ( attribute !== undefined ) { - buffergeometry = geometry; + attribute.copyVector2sArray( geometry.uvs ); + attribute.needsUpdate = true; - } else if ( geometry.isGeometry ) { + } - if ( geometry._bufferGeometry === undefined ) { + geometry.uvsNeedUpdate = false; - geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); + } - } + if ( geometry.lineDistancesNeedUpdate ) { - buffergeometry = geometry._bufferGeometry; + attribute = this.attributes.lineDistance; - } + if ( attribute !== undefined ) { - geometries[ geometry.id ] = buffergeometry; + attribute.copyArray( geometry.lineDistances ); + attribute.needsUpdate = true; - info.memory.geometries ++; + } - return buffergeometry; + geometry.lineDistancesNeedUpdate = false; } - }; - - } + if ( geometry.groupsNeedUpdate ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + geometry.computeGroups( object.geometry ); + this.groups = geometry.groups; - function WebGLObjects( gl, properties, info ) { + geometry.groupsNeedUpdate = false; - var geometries = new WebGLGeometries( gl, properties, info ); + } - // + return this; - function update( object ) { + }, - // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. + fromGeometry: function ( geometry ) { - var geometry = geometries.get( object ); + geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry ); - if ( object.geometry.isGeometry ) { + return this.fromDirectGeometry( geometry.__directGeometry ); - geometry.updateFromObject( object ); + }, - } + fromDirectGeometry: function ( geometry ) { - var index = geometry.index; - var attributes = geometry.attributes; + var positions = new Float32Array( geometry.vertices.length * 3 ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) ); - if ( index !== null ) { + if ( geometry.normals.length > 0 ) { - updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); + var normals = new Float32Array( geometry.normals.length * 3 ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) ); } - for ( var name in attributes ) { + if ( geometry.colors.length > 0 ) { - updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); + var colors = new Float32Array( geometry.colors.length * 3 ); + this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) ); } - // morph targets - - var morphAttributes = geometry.morphAttributes; - - for ( var name in morphAttributes ) { + if ( geometry.uvs.length > 0 ) { - var array = morphAttributes[ name ]; + var uvs = new Float32Array( geometry.uvs.length * 2 ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) ); - for ( var i = 0, l = array.length; i < l; i ++ ) { + } - updateAttribute( array[ i ], gl.ARRAY_BUFFER ); + if ( geometry.uvs2.length > 0 ) { - } + var uvs2 = new Float32Array( geometry.uvs2.length * 2 ); + this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) ); } - return geometry; - - } + if ( geometry.indices.length > 0 ) { - function updateAttribute( attribute, bufferType ) { + var TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array; + var indices = new TypeArray( geometry.indices.length * 3 ); + this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) ); - var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; + } - var attributeProperties = properties.get( data ); + // groups - if ( attributeProperties.__webglBuffer === undefined ) { + this.groups = geometry.groups; - createBuffer( attributeProperties, data, bufferType ); + // morphs - } else if ( attributeProperties.version !== data.version ) { + for ( var name in geometry.morphTargets ) { - updateBuffer( attributeProperties, data, bufferType ); + var array = []; + var morphTargets = geometry.morphTargets[ name ]; - } + for ( var i = 0, l = morphTargets.length; i < l; i ++ ) { - } + var morphTarget = morphTargets[ i ]; - function createBuffer( attributeProperties, data, bufferType ) { + var attribute = new Float32Attribute( morphTarget.length * 3, 3 ); - attributeProperties.__webglBuffer = gl.createBuffer(); - gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + array.push( attribute.copyVector3sArray( morphTarget ) ); - var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; + } - gl.bufferData( bufferType, data.array, usage ); + this.morphAttributes[ name ] = array; - attributeProperties.version = data.version; + } - } + // skinning - function updateBuffer( attributeProperties, data, bufferType ) { + if ( geometry.skinIndices.length > 0 ) { - gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); + var skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 ); + this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) ); - if ( data.dynamic === false ) { + } - gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); + if ( geometry.skinWeights.length > 0 ) { - } else if ( data.updateRange.count === - 1 ) { + var skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 ); + this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) ); - // Not using update ranges + } - gl.bufferSubData( bufferType, 0, data.array ); + // - } else if ( data.updateRange.count === 0 ) { + if ( geometry.boundingSphere !== null ) { - console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); + this.boundingSphere = geometry.boundingSphere.clone(); - } else { + } - gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, - data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); + if ( geometry.boundingBox !== null ) { - data.updateRange.count = 0; // reset range + this.boundingBox = geometry.boundingBox.clone(); } - attributeProperties.version = data.version; + return this; - } + }, - function getAttributeBuffer( attribute ) { + computeBoundingBox: function () { - if ( attribute.isInterleavedBufferAttribute ) { + if ( this.boundingBox === null ) { - return properties.get( attribute.data ).__webglBuffer; + this.boundingBox = new Box3(); } - return properties.get( attribute ).__webglBuffer; - - } + var positions = this.attributes.position.array; - function getWireframeAttribute( geometry ) { + if ( positions !== undefined ) { - var property = properties.get( geometry ); + this.boundingBox.setFromArray( positions ); - if ( property.wireframe !== undefined ) { + } else { - return property.wireframe; + this.boundingBox.makeEmpty(); } - var indices = []; + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { - var index = geometry.index; - var attributes = geometry.attributes; - var position = attributes.position; + console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); - // console.time( 'wireframe' ); + } - if ( index !== null ) { + }, - var edges = {}; - var array = index.array; + computeBoundingSphere: function () { - for ( var i = 0, l = array.length; i < l; i += 3 ) { + var box = new Box3(); + var vector = new Vector3(); - var a = array[ i + 0 ]; - var b = array[ i + 1 ]; - var c = array[ i + 2 ]; + return function computeBoundingSphere() { - indices.push( a, b, b, c, c, a ); + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); } - } else { + var positions = this.attributes.position; - var array = attributes.position.array; + if ( positions ) { - for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + var array = positions.array; + var center = this.boundingSphere.center; - var a = i + 0; - var b = i + 1; - var c = i + 2; + box.setFromArray( array ); + box.getCenter( center ); - indices.push( a, b, b, c, c, a ); + // hoping to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case - } + var maxRadiusSq = 0; - } + for ( var i = 0, il = array.length; i < il; i += 3 ) { - // console.timeEnd( 'wireframe' ); + vector.fromArray( array, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) ); - var TypeArray = position.count > 65535 ? Uint32Array : Uint16Array; - var attribute = new BufferAttribute( new TypeArray( indices ), 1 ); + } - updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); - property.wireframe = attribute; + if ( isNaN( this.boundingSphere.radius ) ) { - return attribute; + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); - } + } - return { + } - getAttributeBuffer: getAttributeBuffer, - getWireframeAttribute: getWireframeAttribute, + }; - update: update + }(), - }; + computeFaceNormals: function () { - } + // backwards compatibility - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { + computeVertexNormals: function () { - var _infoMemory = info.memory; - var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); + var index = this.index; + var attributes = this.attributes; + var groups = this.groups; - // + if ( attributes.position ) { - function clampToMaxSize( image, maxSize ) { + var positions = attributes.position.array; - if ( image.width > maxSize || image.height > maxSize ) { + if ( attributes.normal === undefined ) { - // Warning: Scaling through the canvas will only work with images that use - // premultiplied alpha. + this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) ); - var scale = maxSize / Math.max( image.width, image.height ); + } else { - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = Math.floor( image.width * scale ); - canvas.height = Math.floor( image.height * scale ); + // reset existing normals to zero - var context = canvas.getContext( '2d' ); - context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); + var array = attributes.normal.array; - console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + for ( var i = 0, il = array.length; i < il; i ++ ) { - return canvas; + array[ i ] = 0; - } + } - return image; + } - } + var normals = attributes.normal.array; - function isPowerOfTwo( image ) { + var vA, vB, vC, - return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); + pA = new Vector3(), + pB = new Vector3(), + pC = new Vector3(), - } + cb = new Vector3(), + ab = new Vector3(); - function makePowerOfTwo( image ) { + // indexed elements - if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { + if ( index ) { - var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - canvas.width = _Math.nearestPowerOfTwo( image.width ); - canvas.height = _Math.nearestPowerOfTwo( image.height ); + var indices = index.array; - var context = canvas.getContext( '2d' ); - context.drawImage( image, 0, 0, canvas.width, canvas.height ); + if ( groups.length === 0 ) { - console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); + this.addGroup( 0, indices.length ); - return canvas; + } - } + for ( var j = 0, jl = groups.length; j < jl; ++ j ) { - return image; + var group = groups[ j ]; - } + var start = group.start; + var count = group.count; - function textureNeedsPowerOfTwo( texture ) { + for ( var i = start, il = start + count; i < il; i += 3 ) { - if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true; - if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true; + vA = indices[ i + 0 ] * 3; + vB = indices[ i + 1 ] * 3; + vC = indices[ i + 2 ] * 3; - return false; + pA.fromArray( positions, vA ); + pB.fromArray( positions, vB ); + pC.fromArray( positions, vC ); - } + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); - // Fallback filters for non-power-of-2 textures + normals[ vA ] += cb.x; + normals[ vA + 1 ] += cb.y; + normals[ vA + 2 ] += cb.z; - function filterFallback( f ) { + normals[ vB ] += cb.x; + normals[ vB + 1 ] += cb.y; + normals[ vB + 2 ] += cb.z; - if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { + normals[ vC ] += cb.x; + normals[ vC + 1 ] += cb.y; + normals[ vC + 2 ] += cb.z; - return _gl.NEAREST; + } - } + } - return _gl.LINEAR; + } else { - } + // non-indexed elements (unconnected triangle soup) - // + for ( var i = 0, il = positions.length; i < il; i += 9 ) { - function onTextureDispose( event ) { + pA.fromArray( positions, i ); + pB.fromArray( positions, i + 3 ); + pC.fromArray( positions, i + 6 ); - var texture = event.target; + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); - texture.removeEventListener( 'dispose', onTextureDispose ); + normals[ i ] = cb.x; + normals[ i + 1 ] = cb.y; + normals[ i + 2 ] = cb.z; - deallocateTexture( texture ); + normals[ i + 3 ] = cb.x; + normals[ i + 4 ] = cb.y; + normals[ i + 5 ] = cb.z; - _infoMemory.textures --; + normals[ i + 6 ] = cb.x; + normals[ i + 7 ] = cb.y; + normals[ i + 8 ] = cb.z; + } - } + } - function onRenderTargetDispose( event ) { + this.normalizeNormals(); - var renderTarget = event.target; + attributes.normal.needsUpdate = true; - renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + } - deallocateRenderTarget( renderTarget ); + }, - _infoMemory.textures --; + merge: function ( geometry, offset ) { - } + if ( (geometry && geometry.isBufferGeometry) === false ) { - // + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; - function deallocateTexture( texture ) { + } - var textureProperties = properties.get( texture ); + if ( offset === undefined ) offset = 0; - if ( texture.image && textureProperties.__image__webglTextureCube ) { + var attributes = this.attributes; - // cube texture + for ( var key in attributes ) { - _gl.deleteTexture( textureProperties.__image__webglTextureCube ); + if ( geometry.attributes[ key ] === undefined ) continue; - } else { + var attribute1 = attributes[ key ]; + var attributeArray1 = attribute1.array; - // 2D texture + var attribute2 = geometry.attributes[ key ]; + var attributeArray2 = attribute2.array; - if ( textureProperties.__webglInit === undefined ) return; + var attributeSize = attribute2.itemSize; - _gl.deleteTexture( textureProperties.__webglTexture ); + for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) { - } + attributeArray1[ j ] = attributeArray2[ i ]; - // remove all webgl properties - properties.delete( texture ); + } - } + } - function deallocateRenderTarget( renderTarget ) { + return this; - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); + }, - if ( ! renderTarget ) return; + normalizeNormals: function () { - if ( textureProperties.__webglTexture !== undefined ) { + var normals = this.attributes.normal.array; - _gl.deleteTexture( textureProperties.__webglTexture ); + var x, y, z, n; - } + for ( var i = 0, il = normals.length; i < il; i += 3 ) { - if ( renderTarget.depthTexture ) { + x = normals[ i ]; + y = normals[ i + 1 ]; + z = normals[ i + 2 ]; - renderTarget.depthTexture.dispose(); + n = 1.0 / Math.sqrt( x * x + y * y + z * z ); + + normals[ i ] *= n; + normals[ i + 1 ] *= n; + normals[ i + 2 ] *= n; } - if ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) { + }, - for ( var i = 0; i < 6; i ++ ) { + toNonIndexed: function () { - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + if ( this.index === null ) { - } + console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' ); + return this; - } else { + } - _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); - if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + var geometry2 = new BufferGeometry(); - } + var indices = this.index.array; + var attributes = this.attributes; - properties.delete( renderTarget.texture ); - properties.delete( renderTarget ); + for ( var name in attributes ) { - } + var attribute = attributes[ name ]; - // + var array = attribute.array; + var itemSize = attribute.itemSize; + var array2 = new array.constructor( indices.length * itemSize ); + var index = 0, index2 = 0; - function setTexture2D( texture, slot ) { + for ( var i = 0, l = indices.length; i < l; i ++ ) { - var textureProperties = properties.get( texture ); + index = indices[ i ] * itemSize; - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + for ( var j = 0; j < itemSize; j ++ ) { - var image = texture.image; + array2[ index2 ++ ] = array[ index ++ ]; - if ( image === undefined ) { + } - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture ); + } - } else if ( image.complete === false ) { + geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) ); - console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); + } - } else { + return geometry2; - uploadTexture( textureProperties, texture, slot ); - return; + }, + + toJSON: function () { + var data = { + metadata: { + version: 4.4, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' } + }; - } + // standard BufferGeometry serialization - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; - } + if ( this.parameters !== undefined ) { - function setTextureCube( texture, slot ) { + var parameters = this.parameters; - var textureProperties = properties.get( texture ); + for ( var key in parameters ) { - if ( texture.image.length === 6 ) { + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; - if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + } - if ( ! textureProperties.__image__webglTextureCube ) { + return data; - texture.addEventListener( 'dispose', onTextureDispose ); + } - textureProperties.__image__webglTextureCube = _gl.createTexture(); + data.data = { attributes: {} }; - _infoMemory.textures ++; + var index = this.index; - } + if ( index !== null ) { - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + var array = Array.prototype.slice.call( index.array ); - _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + data.data.index = { + type: index.array.constructor.name, + array: array + }; - var isCompressed = (texture && texture.isCompressedTexture); - var isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture); + } - var cubeImage = []; + var attributes = this.attributes; - for ( var i = 0; i < 6; i ++ ) { + for ( var key in attributes ) { - if ( ! isCompressed && ! isDataTexture ) { + var attribute = attributes[ key ]; - cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); + var array = Array.prototype.slice.call( attribute.array ); - } else { + data.data.attributes[ key ] = { + itemSize: attribute.itemSize, + type: attribute.array.constructor.name, + array: array, + normalized: attribute.normalized + }; - cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + } - } + var groups = this.groups; - } + if ( groups.length > 0 ) { - var image = cubeImage[ 0 ], - isPowerOfTwoImage = isPowerOfTwo( image ), - glFormat = paramThreeToGL( texture.format ), - glType = paramThreeToGL( texture.type ); + data.data.groups = JSON.parse( JSON.stringify( groups ) ); - setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); + } - for ( var i = 0; i < 6; i ++ ) { + var boundingSphere = this.boundingSphere; - if ( ! isCompressed ) { + if ( boundingSphere !== null ) { - if ( isDataTexture ) { + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + } - } else { + return data; - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); + }, - } + clone: function () { - } else { + /* + // Handle primitives - var mipmap, mipmaps = cubeImage[ i ].mipmaps; + var parameters = this.parameters; - for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { + if ( parameters !== undefined ) { - mipmap = mipmaps[ j ]; + var values = []; - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + for ( var key in parameters ) { - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + values.push( parameters[ key ] ); - state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + } - } else { + var geometry = Object.create( this.constructor.prototype ); + this.constructor.apply( geometry, values ); + return geometry; - console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); + } - } + return new this.constructor().copy( this ); + */ - } else { + return new BufferGeometry().copy( this ); - state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + }, - } + copy: function ( source ) { - } + var index = source.index; - } + if ( index !== null ) { - } + this.setIndex( index.clone() ); - if ( texture.generateMipmaps && isPowerOfTwoImage ) { + } - _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + var attributes = source.attributes; - } + for ( var name in attributes ) { - textureProperties.__version = texture.version; + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); - if ( texture.onUpdate ) texture.onUpdate( texture ); + } - } else { + var groups = source.groups; - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); + for ( var i = 0, l = groups.length; i < l; i ++ ) { - } + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); } - } + return this; - function setTextureCubeDynamic( texture, slot ) { + }, - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); + dispose: function () { - } + this.dispatchEvent( { type: 'dispose' } ); - function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { + } - var extension; + } ); - if ( isPowerOfTwoImage ) { + BufferGeometry.MaxIndex = 65535; - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * @author mikael emtinger / http://gomo.se/ + * @author jonobr1 / http://jonobr1.com/ + */ - _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); + function Mesh( geometry, material ) { - } else { + Object3D.call( this ); - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); - _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); + this.type = 'Mesh'; - if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } ); - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture ); + this.drawMode = TrianglesDrawMode; - } + this.updateMorphTargets(); - _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); - _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) ); + } - if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { + Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), { - console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture ); + constructor: Mesh, - } + isMesh: true, - } + setDrawMode: function ( value ) { - extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + this.drawMode = value; - if ( extension ) { + }, - if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; - if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return; + copy: function ( source ) { - if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + Object3D.prototype.copy.call( this, source ); - _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); - properties.get( texture ).__currentAnisotropy = texture.anisotropy; + this.drawMode = source.drawMode; - } + return this; - } + }, - } + updateMorphTargets: function () { - function uploadTexture( textureProperties, texture, slot ) { + var morphTargets = this.geometry.morphTargets; - if ( textureProperties.__webglInit === undefined ) { + if ( morphTargets !== undefined && morphTargets.length > 0 ) { - textureProperties.__webglInit = true; + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; - texture.addEventListener( 'dispose', onTextureDispose ); + for ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) { - textureProperties.__webglTexture = _gl.createTexture(); + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ morphTargets[ m ].name ] = m; - _infoMemory.textures ++; + } } - state.activeTexture( _gl.TEXTURE0 + slot ); - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + }, - _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); - _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); - _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + raycast: ( function () { - var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { + var vA = new Vector3(); + var vB = new Vector3(); + var vC = new Vector3(); - image = makePowerOfTwo( image ); + var tempA = new Vector3(); + var tempB = new Vector3(); + var tempC = new Vector3(); - } + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); - var isPowerOfTwoImage = isPowerOfTwo( image ), - glFormat = paramThreeToGL( texture.format ), - glType = paramThreeToGL( texture.type ); + var barycoord = new Vector3(); - setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); + var intersectionPoint = new Vector3(); + var intersectionPointWorld = new Vector3(); - var mipmap, mipmaps = texture.mipmaps; + function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) { - if ( (texture && texture.isDepthTexture) ) { + Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord ); - // populate depth texture with dummy data + uv1.multiplyScalar( barycoord.x ); + uv2.multiplyScalar( barycoord.y ); + uv3.multiplyScalar( barycoord.z ); - var internalFormat = _gl.DEPTH_COMPONENT; + uv1.add( uv2 ).add( uv3 ); - if ( texture.type === FloatType ) { + return uv1.clone(); - if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); - internalFormat = _gl.DEPTH_COMPONENT32F; + } - } else if ( _isWebGL2 ) { + function checkIntersection( object, raycaster, ray, pA, pB, pC, point ) { - // WebGL 2.0 requires signed internalformat for glTexImage2D - internalFormat = _gl.DEPTH_COMPONENT16; + var intersect; + var material = object.material; - } + if ( material.side === BackSide ) { - // Depth stencil textures need the DEPTH_STENCIL internal format - // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) - if ( texture.format === DepthStencilFormat ) { + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); - internalFormat = _gl.DEPTH_STENCIL; + } else { + + intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); } - state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null ); + if ( intersect === null ) return null; - } else if ( (texture && texture.isDataTexture) ) { + intersectionPointWorld.copy( point ); + intersectionPointWorld.applyMatrix4( object.matrixWorld ); - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels + var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld ); - if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + if ( distance < raycaster.near || distance > raycaster.far ) return null; - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + return { + distance: distance, + point: intersectionPointWorld.clone(), + object: object + }; - mipmap = mipmaps[ i ]; - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + } - } + function checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) { - texture.generateMipmaps = false; + vA.fromArray( positions, a * 3 ); + vB.fromArray( positions, b * 3 ); + vC.fromArray( positions, c * 3 ); - } else { + var intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint ); - state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); + if ( intersection ) { - } + if ( uvs ) { - } else if ( (texture && texture.isCompressedTexture) ) { + uvA.fromArray( uvs, a * 2 ); + uvB.fromArray( uvs, b * 2 ); + uvC.fromArray( uvs, c * 2 ); - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC ); - mipmap = mipmaps[ i ]; + } - if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { + intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) ); + intersection.faceIndex = a; - if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { + } - state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + return intersection; - } else { + } - console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); + return function raycast( raycaster, intersects ) { - } + var geometry = this.geometry; + var material = this.material; + var matrixWorld = this.matrixWorld; - } else { + if ( material === undefined ) return; - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + // Checking boundingSphere distance to ray - } + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - } + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - } else { + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - // regular Texture (image, video, canvas) + // - // use manually created mipmaps if available - // if there are no manual mipmaps - // set 0 level mipmap and then use GL to generate other mipmap levels + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - if ( mipmaps.length > 0 && isPowerOfTwoImage ) { + // Check boundingBox before continuing - for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { + if ( geometry.boundingBox !== null ) { - mipmap = mipmaps[ i ]; - state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); + if ( ray.intersectsBox( geometry.boundingBox ) === false ) return; - } + } - texture.generateMipmaps = false; + var uvs, intersection; - } else { + if ( (geometry && geometry.isBufferGeometry) ) { - state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); + var a, b, c; + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - } + if ( attributes.uv !== undefined ) { - } + uvs = attributes.uv.array; - if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); + } - textureProperties.__version = texture.version; + if ( index !== null ) { - if ( texture.onUpdate ) texture.onUpdate( texture ); + var indices = index.array; - } + for ( var i = 0, l = indices.length; i < l; i += 3 ) { - // Render targets + a = indices[ i ]; + b = indices[ i + 1 ]; + c = indices[ i + 2 ]; - // Setup storage for target texture and bind it to correct framebuffer - function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); - var glFormat = paramThreeToGL( renderTarget.texture.format ); - var glType = paramThreeToGL( renderTarget.texture.type ); - state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + if ( intersection ) { - } + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics + intersects.push( intersection ); - // Setup storage for internal depth/stencil buffers and bind to correct framebuffer - function setupRenderBufferStorage( renderbuffer, renderTarget ) { + } - _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + } - if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + } else { - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); - _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); - } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + for ( var i = 0, l = positions.length; i < l; i += 9 ) { - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); - _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); + a = i / 3; + b = a + 1; + c = a + 2; - } else { + intersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c ); - // FIXME: We don't support !depth !stencil - _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); + if ( intersection ) { - } + intersection.index = a; // triangle number in positions buffer semantics + intersects.push( intersection ); - _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + } - } + } - // Setup resources for a Depth Texture for a FBO (needs an extension) - function setupDepthTexture( framebuffer, renderTarget ) { + } - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); + } else if ( (geometry && geometry.isGeometry) ) { - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + var fvA, fvB, fvC; + var isFaceMaterial = (material && material.isMultiMaterial); + var materials = isFaceMaterial === true ? material.materials : null; - if ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) { + var vertices = geometry.vertices; + var faces = geometry.faces; + var faceVertexUvs = geometry.faceVertexUvs[ 0 ]; + if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs; - throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture'); + for ( var f = 0, fl = faces.length; f < fl; f ++ ) { - } + var face = faces[ f ]; + var faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material; - // upload an empty depth texture with framebuffer size - if ( !properties.get( renderTarget.depthTexture ).__webglTexture || - renderTarget.depthTexture.image.width !== renderTarget.width || - renderTarget.depthTexture.image.height !== renderTarget.height ) { - renderTarget.depthTexture.image.width = renderTarget.width; - renderTarget.depthTexture.image.height = renderTarget.height; - renderTarget.depthTexture.needsUpdate = true; - } + if ( faceMaterial === undefined ) continue; - setTexture2D( renderTarget.depthTexture, 0 ); + fvA = vertices[ face.a ]; + fvB = vertices[ face.b ]; + fvC = vertices[ face.c ]; - var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; + if ( faceMaterial.morphTargets === true ) { - if ( renderTarget.depthTexture.format === DepthFormat ) { + var morphTargets = geometry.morphTargets; + var morphInfluences = this.morphTargetInfluences; - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + vA.set( 0, 0, 0 ); + vB.set( 0, 0, 0 ); + vC.set( 0, 0, 0 ); - } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + var influence = morphInfluences[ t ]; - } else { + if ( influence === 0 ) continue; - throw new Error('Unknown depthTexture format') + var targets = morphTargets[ t ].vertices; - } + vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence ); + vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence ); + vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence ); - } + } - // Setup GL resources for a non-texture depth buffer - function setupDepthRenderbuffer( renderTarget ) { + vA.add( fvA ); + vB.add( fvB ); + vC.add( fvC ); - var renderTargetProperties = properties.get( renderTarget ); + fvA = vA; + fvB = vB; + fvC = vC; - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + } - if ( renderTarget.depthTexture ) { + intersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint ); - if ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets'); + if ( intersection ) { - setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + if ( uvs ) { - } else { + var uvs_f = uvs[ f ]; + uvA.copy( uvs_f[ 0 ] ); + uvB.copy( uvs_f[ 1 ] ); + uvC.copy( uvs_f[ 2 ] ); - if ( isCube ) { + intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC ); - renderTargetProperties.__webglDepthbuffer = []; + } - for ( var i = 0; i < 6; i ++ ) { + intersection.face = face; + intersection.faceIndex = f; + intersects.push( intersection ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); - renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); + } } - } else { + } - _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); - renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); - setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + }; - } + }() ), - } + clone: function () { - _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); + return new this.constructor( this.geometry, this.material ).copy( this ); } - // Set up GL resources for the render target - function setupRenderTarget( renderTarget ) { - - var renderTargetProperties = properties.get( renderTarget ); - var textureProperties = properties.get( renderTarget.texture ); + } ); - renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - textureProperties.__webglTexture = _gl.createTexture(); + function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - _infoMemory.textures ++; + BufferGeometry.call( this ); - var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); + this.type = 'BoxBufferGeometry'; - // Setup framebuffer + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; - if ( isCube ) { + var scope = this; - renderTargetProperties.__webglFramebuffer = []; + // segments + widthSegments = Math.floor( widthSegments ) || 1; + heightSegments = Math.floor( heightSegments ) || 1; + depthSegments = Math.floor( depthSegments ) || 1; - for ( var i = 0; i < 6; i ++ ) { + // these are used to calculate buffer length + var vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments ); + var indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments ); - renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); - } + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; + var numberOfVertices = 0; - } else { + // group variables + var groupStart = 0; - renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + // build each side of the box geometry + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz - } + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - // Setup color buffer + // helper functions - if ( isCube ) { + function calculateVertexCount( w, h, d ) { - state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); - setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); + var vertices = 0; - for ( var i = 0; i < 6; i ++ ) { + // calculate the amount of vertices for each side (plane) + vertices += (w + 1) * (h + 1) * 2; // xy + vertices += (w + 1) * (d + 1) * 2; // xz + vertices += (d + 1) * (h + 1) * 2; // zy - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); + return vertices; - } + } - if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); - state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); + function calculateIndexCount( w, h, d ) { - } else { + var index = 0; - state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); - setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); + // calculate the amount of squares for each side + index += w * h * 2; // xy + index += w * d * 2; // xz + index += d * h * 2; // zy - if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); - state.bindTexture( _gl.TEXTURE_2D, null ); + return index * 6; // two triangles per square => six vertices per square - } + } - // Setup depth and stencil buffers + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { - if ( renderTarget.depthBuffer ) { + var segmentWidth = width / gridX; + var segmentHeight = height / gridY; - setupDepthRenderbuffer( renderTarget ); + var widthHalf = width / 2; + var heightHalf = height / 2; + var depthHalf = depth / 2; - } + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; - } + var vertexCounter = 0; + var groupCount = 0; - function updateRenderTargetMipmap( renderTarget ) { + var vector = new Vector3(); - var texture = renderTarget.texture; + // generate vertices, normals and uvs - if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && - texture.minFilter !== NearestFilter && - texture.minFilter !== LinearFilter ) { + for ( var iy = 0; iy < gridY1; iy ++ ) { - var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; - var webglTexture = properties.get( texture ).__webglTexture; + var y = iy * segmentHeight - heightHalf; - state.bindTexture( target, webglTexture ); - _gl.generateMipmap( target ); - state.bindTexture( target, null ); + for ( var ix = 0; ix < gridX1; ix ++ ) { - } + var x = ix * segmentWidth - widthHalf; - } + // set values to correct vector component + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; - this.setTexture2D = setTexture2D; - this.setTextureCube = setTextureCube; - this.setTextureCubeDynamic = setTextureCubeDynamic; - this.setupRenderTarget = setupRenderTarget; - this.updateRenderTargetMipmap = updateRenderTargetMipmap; + // now apply vector to vertex buffer + vertices[ vertexBufferOffset ] = vector.x; + vertices[ vertexBufferOffset + 1 ] = vector.y; + vertices[ vertexBufferOffset + 2 ] = vector.z; - } + // set values to correct vector component + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; - /** - * @author fordacious / fordacious.github.io - */ + // now apply vector to normal buffer + normals[ vertexBufferOffset ] = vector.x; + normals[ vertexBufferOffset + 1 ] = vector.y; + normals[ vertexBufferOffset + 2 ] = vector.z; - function WebGLProperties() { + // uvs + uvs[ uvBufferOffset ] = ix / gridX; + uvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY ); - var properties = {}; + // update offsets and counters + vertexBufferOffset += 3; + uvBufferOffset += 2; + vertexCounter += 1; - return { + } - get: function ( object ) { + } - var uuid = object.uuid; - var map = properties[ uuid ]; + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment - if ( map === undefined ) { + for ( iy = 0; iy < gridY; iy ++ ) { - map = {}; - properties[ uuid ] = map; + for ( ix = 0; ix < gridX; ix ++ ) { - } + // indices + var a = numberOfVertices + ix + gridX1 * iy; + var b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; - return map; + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; - }, + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; - delete: function ( object ) { + // update offsets and counters + indexBufferOffset += 6; + groupCount += 6; - delete properties[ object.uuid ]; + } - }, + } - clear: function () { + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, materialIndex ); - properties = {}; + // calculate new start value for groups + groupStart += groupCount; - } + // update total number of vertices + numberOfVertices += vertexCounter; - }; + } } + BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + BoxBufferGeometry.prototype.constructor = BoxBufferGeometry; + /** * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as */ - function WebGLState( gl, extensions, paramThreeToGL ) { - - function ColorBuffer() { + function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) { - var locked = false; + BufferGeometry.call( this ); - var color = new Vector4(); - var currentColorMask = null; - var currentColorClear = new Vector4(); + this.type = 'PlaneBufferGeometry'; - return { + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; - setMask: function ( colorMask ) { + var width_half = width / 2; + var height_half = height / 2; - if ( currentColorMask !== colorMask && ! locked ) { + var gridX = Math.floor( widthSegments ) || 1; + var gridY = Math.floor( heightSegments ) || 1; - gl.colorMask( colorMask, colorMask, colorMask, colorMask ); - currentColorMask = colorMask; + var gridX1 = gridX + 1; + var gridY1 = gridY + 1; - } + var segment_width = width / gridX; + var segment_height = height / gridY; - }, + var vertices = new Float32Array( gridX1 * gridY1 * 3 ); + var normals = new Float32Array( gridX1 * gridY1 * 3 ); + var uvs = new Float32Array( gridX1 * gridY1 * 2 ); - setLocked: function ( lock ) { + var offset = 0; + var offset2 = 0; - locked = lock; + for ( var iy = 0; iy < gridY1; iy ++ ) { - }, + var y = iy * segment_height - height_half; - setClear: function ( r, g, b, a ) { + for ( var ix = 0; ix < gridX1; ix ++ ) { - color.set( r, g, b, a ); + var x = ix * segment_width - width_half; - if ( currentColorClear.equals( color ) === false ) { + vertices[ offset ] = x; + vertices[ offset + 1 ] = - y; - gl.clearColor( r, g, b, a ); - currentColorClear.copy( color ); + normals[ offset + 2 ] = 1; - } + uvs[ offset2 ] = ix / gridX; + uvs[ offset2 + 1 ] = 1 - ( iy / gridY ); - }, + offset += 3; + offset2 += 2; - reset: function () { + } - locked = false; + } - currentColorMask = null; - currentColorClear.set( 0, 0, 0, 1 ); + offset = 0; - } + var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 ); - }; + for ( var iy = 0; iy < gridY; iy ++ ) { - } + for ( var ix = 0; ix < gridX; ix ++ ) { - function DepthBuffer() { + var a = ix + gridX1 * iy; + var b = ix + gridX1 * ( iy + 1 ); + var c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + var d = ( ix + 1 ) + gridX1 * iy; - var locked = false; + indices[ offset ] = a; + indices[ offset + 1 ] = b; + indices[ offset + 2 ] = d; - var currentDepthMask = null; - var currentDepthFunc = null; - var currentDepthClear = null; + indices[ offset + 3 ] = b; + indices[ offset + 4 ] = c; + indices[ offset + 5 ] = d; - return { + offset += 6; - setTest: function ( depthTest ) { + } - if ( depthTest ) { + } - enable( gl.DEPTH_TEST ); + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - } else { + } - disable( gl.DEPTH_TEST ); + PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author mikael emtinger / http://gomo.se/ + * @author WestLangley / http://github.com/WestLangley + */ - }, + function Camera() { - setMask: function ( depthMask ) { + Object3D.call( this ); - if ( currentDepthMask !== depthMask && ! locked ) { + this.type = 'Camera'; - gl.depthMask( depthMask ); - currentDepthMask = depthMask; + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); - } + } - }, + Camera.prototype = Object.create( Object3D.prototype ); + Camera.prototype.constructor = Camera; - setFunc: function ( depthFunc ) { + Camera.prototype.isCamera = true; - if ( currentDepthFunc !== depthFunc ) { + Camera.prototype.getWorldDirection = function () { - if ( depthFunc ) { + var quaternion = new Quaternion(); - switch ( depthFunc ) { + return function getWorldDirection( optionalTarget ) { - case NeverDepth: + var result = optionalTarget || new Vector3(); - gl.depthFunc( gl.NEVER ); - break; + this.getWorldQuaternion( quaternion ); - case AlwaysDepth: + return result.set( 0, 0, - 1 ).applyQuaternion( quaternion ); - gl.depthFunc( gl.ALWAYS ); - break; + }; - case LessDepth: + }(); - gl.depthFunc( gl.LESS ); - break; + Camera.prototype.lookAt = function () { - case LessEqualDepth: + // This routine does not support cameras with rotated and/or translated parent(s) - gl.depthFunc( gl.LEQUAL ); - break; + var m1 = new Matrix4(); - case EqualDepth: + return function lookAt( vector ) { - gl.depthFunc( gl.EQUAL ); - break; + m1.lookAt( this.position, vector, this.up ); - case GreaterEqualDepth: + this.quaternion.setFromRotationMatrix( m1 ); - gl.depthFunc( gl.GEQUAL ); - break; + }; - case GreaterDepth: + }(); - gl.depthFunc( gl.GREATER ); - break; + Camera.prototype.clone = function () { - case NotEqualDepth: + return new this.constructor().copy( this ); - gl.depthFunc( gl.NOTEQUAL ); - break; + }; - default: + Camera.prototype.copy = function ( source ) { - gl.depthFunc( gl.LEQUAL ); + Object3D.prototype.copy.call( this, source ); - } + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + this.projectionMatrix.copy( source.projectionMatrix ); - } else { + return this; - gl.depthFunc( gl.LEQUAL ); + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author greggman / http://games.greggman.com/ + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author tschw + */ - currentDepthFunc = depthFunc; + function PerspectiveCamera( fov, aspect, near, far ) { - } + Camera.call( this ); - }, + this.type = 'PerspectiveCamera'; - setLocked: function ( lock ) { + this.fov = fov !== undefined ? fov : 50; + this.zoom = 1; - locked = lock; + this.near = near !== undefined ? near : 0.1; + this.far = far !== undefined ? far : 2000; + this.focus = 10; - }, + this.aspect = aspect !== undefined ? aspect : 1; + this.view = null; - setClear: function ( depth ) { + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) - if ( currentDepthClear !== depth ) { + this.updateProjectionMatrix(); - gl.clearDepth( depth ); - currentDepthClear = depth; + } - } + PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - }, + constructor: PerspectiveCamera, - reset: function () { + isPerspectiveCamera: true, - locked = false; + copy: function ( source ) { - currentDepthMask = null; - currentDepthFunc = null; - currentDepthClear = null; + Camera.prototype.copy.call( this, source ); - } + this.fov = source.fov; + this.zoom = source.zoom; - }; + this.near = source.near; + this.far = source.far; + this.focus = source.focus; - } + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); - function StencilBuffer() { + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; - var locked = false; + return this; - var currentStencilMask = null; - var currentStencilFunc = null; - var currentStencilRef = null; - var currentStencilFuncMask = null; - var currentStencilFail = null; - var currentStencilZFail = null; - var currentStencilZPass = null; - var currentStencilClear = null; + }, - return { + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength: function ( focalLength ) { - setTest: function ( stencilTest ) { + // see http://www.bobatkins.com/photography/technical/field_of_view.html + var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; - if ( stencilTest ) { + this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); - enable( gl.STENCIL_TEST ); + }, - } else { + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength: function () { - disable( gl.STENCIL_TEST ); + var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov ); - } + return 0.5 * this.getFilmHeight() / vExtentSlope; - }, + }, - setMask: function ( stencilMask ) { + getEffectiveFOV: function () { - if ( currentStencilMask !== stencilMask && ! locked ) { + return _Math.RAD2DEG * 2 * Math.atan( + Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom ); - gl.stencilMask( stencilMask ); - currentStencilMask = stencilMask; + }, - } + getFilmWidth: function () { - }, + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); - setFunc: function ( stencilFunc, stencilRef, stencilMask ) { + }, - if ( currentStencilFunc !== stencilFunc || - currentStencilRef !== stencilRef || - currentStencilFuncMask !== stencilMask ) { + getFilmHeight: function () { - gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); - currentStencilFunc = stencilFunc; - currentStencilRef = stencilRef; - currentStencilFuncMask = stencilMask; + }, - } + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * var w = 1920; + * var h = 1080; + * var fullWidth = w * 3; + * var fullHeight = h * 2; + * + * --A-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) { - }, + this.aspect = fullWidth / fullHeight; - setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; - if ( currentStencilFail !== stencilFail || - currentStencilZFail !== stencilZFail || - currentStencilZPass !== stencilZPass ) { + this.updateProjectionMatrix(); - gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + }, - currentStencilFail = stencilFail; - currentStencilZFail = stencilZFail; - currentStencilZPass = stencilZPass; + clearViewOffset: function() { - } + this.view = null; + this.updateProjectionMatrix(); - }, + }, - setLocked: function ( lock ) { + updateProjectionMatrix: function () { - locked = lock; + var near = this.near, + top = near * Math.tan( + _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom, + height = 2 * top, + width = this.aspect * height, + left = - 0.5 * width, + view = this.view; - }, + if ( view !== null ) { - setClear: function ( stencil ) { + var fullWidth = view.fullWidth, + fullHeight = view.fullHeight; - if ( currentStencilClear !== stencil ) { + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; - gl.clearStencil( stencil ); - currentStencilClear = stencil; + } - } + var skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); - }, + this.projectionMatrix.makeFrustum( + left, left + width, top - height, top, near, this.far ); - reset: function () { + }, - locked = false; + toJSON: function ( meta ) { - currentStencilMask = null; - currentStencilFunc = null; - currentStencilRef = null; - currentStencilFuncMask = null; - currentStencilFail = null; - currentStencilZFail = null; - currentStencilZPass = null; - currentStencilClear = null; + var data = Object3D.prototype.toJSON.call( this, meta ); - } + data.object.fov = this.fov; + data.object.zoom = this.zoom; - }; + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; - } + data.object.aspect = this.aspect; - // + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - var colorBuffer = new ColorBuffer(); - var depthBuffer = new DepthBuffer(); - var stencilBuffer = new StencilBuffer(); + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; - var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); - var newAttributes = new Uint8Array( maxVertexAttributes ); - var enabledAttributes = new Uint8Array( maxVertexAttributes ); - var attributeDivisors = new Uint8Array( maxVertexAttributes ); + return data; - var capabilities = {}; + } - var compressedTextureFormats = null; + } ); - var currentBlending = null; - var currentBlendEquation = null; - var currentBlendSrc = null; - var currentBlendDst = null; - var currentBlendEquationAlpha = null; - var currentBlendSrcAlpha = null; - var currentBlendDstAlpha = null; - var currentPremultipledAlpha = false; + /** + * @author alteredq / http://alteredqualia.com/ + * @author arose / http://github.com/arose + */ - var currentFlipSided = null; - var currentCullFace = null; + function OrthographicCamera( left, right, top, bottom, near, far ) { - var currentLineWidth = null; + Camera.call( this ); - var currentPolygonOffsetFactor = null; - var currentPolygonOffsetUnits = null; + this.type = 'OrthographicCamera'; - var currentScissorTest = null; + this.zoom = 1; + this.view = null; - var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; - var currentTextureSlot = null; - var currentBoundTextures = {}; + this.near = ( near !== undefined ) ? near : 0.1; + this.far = ( far !== undefined ) ? far : 2000; - var currentScissor = new Vector4(); - var currentViewport = new Vector4(); + this.updateProjectionMatrix(); - function createTexture( type, target, count ) { + } - var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. - var texture = gl.createTexture(); + OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), { - gl.bindTexture( type, texture ); - gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); - gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + constructor: OrthographicCamera, - for ( var i = 0; i < count; i ++ ) { + isOrthographicCamera: true, - gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + copy: function ( source ) { - } + Camera.prototype.copy.call( this, source ); - return texture; + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; - } + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); - var emptyTextures = {}; - emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); - emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); + return this; - // + }, - function init() { + setViewOffset: function( fullWidth, fullHeight, x, y, width, height ) { - clearColor( 0, 0, 0, 1 ); - clearDepth( 1 ); - clearStencil( 0 ); + this.view = { + fullWidth: fullWidth, + fullHeight: fullHeight, + offsetX: x, + offsetY: y, + width: width, + height: height + }; - enable( gl.DEPTH_TEST ); - setDepthFunc( LessEqualDepth ); + this.updateProjectionMatrix(); - setFlipSided( false ); - setCullFace( CullFaceBack ); - enable( gl.CULL_FACE ); + }, - enable( gl.BLEND ); - setBlending( NormalBlending ); + clearViewOffset: function() { - } + this.view = null; + this.updateProjectionMatrix(); - function initAttributes() { + }, - for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { + updateProjectionMatrix: function () { - newAttributes[ i ] = 0; + var dx = ( this.right - this.left ) / ( 2 * this.zoom ); + var dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + var cx = ( this.right + this.left ) / 2; + var cy = ( this.top + this.bottom ) / 2; - } + var left = cx - dx; + var right = cx + dx; + var top = cy + dy; + var bottom = cy - dy; - } + if ( this.view !== null ) { - function enableAttribute( attribute ) { - - newAttributes[ attribute ] = 1; - - if ( enabledAttributes[ attribute ] === 0 ) { + var zoomW = this.zoom / ( this.view.width / this.view.fullWidth ); + var zoomH = this.zoom / ( this.view.height / this.view.fullHeight ); + var scaleW = ( this.right - this.left ) / this.view.width; + var scaleH = ( this.top - this.bottom ) / this.view.height; - gl.enableVertexAttribArray( attribute ); - enabledAttributes[ attribute ] = 1; + left += scaleW * ( this.view.offsetX / zoomW ); + right = left + scaleW * ( this.view.width / zoomW ); + top -= scaleH * ( this.view.offsetY / zoomH ); + bottom = top - scaleH * ( this.view.height / zoomH ); } - if ( attributeDivisors[ attribute ] !== 0 ) { + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); - var extension = extensions.get( 'ANGLE_instanced_arrays' ); + }, - extension.vertexAttribDivisorANGLE( attribute, 0 ); - attributeDivisors[ attribute ] = 0; + toJSON: function ( meta ) { - } + var data = Object3D.prototype.toJSON.call( this, meta ); - } + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; - function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); - newAttributes[ attribute ] = 1; + return data; - if ( enabledAttributes[ attribute ] === 0 ) { + } - gl.enableVertexAttribArray( attribute ); - enabledAttributes[ attribute ] = 1; + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) { - extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute ); - attributeDivisors[ attribute ] = meshPerAttribute; + var mode; - } + function setMode( value ) { + + mode = value; } - function disableUnusedAttributes() { + var type, size; - for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { + function setIndex( index ) { - if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) { - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; + type = gl.UNSIGNED_INT; + size = 4; - } + } else { + + type = gl.UNSIGNED_SHORT; + size = 2; } } - function enable( id ) { + function render( start, count ) { - if ( capabilities[ id ] !== true ) { + gl.drawElements( mode, count, type, start * size ); - gl.enable( id ); - capabilities[ id ] = true; + infoRender.calls ++; + infoRender.vertices += count; - } + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; } - function disable( id ) { + function renderInstances( geometry, start, count ) { - if ( capabilities[ id ] !== false ) { + var extension = extensions.get( 'ANGLE_instanced_arrays' ); - gl.disable( id ); - capabilities[ id ] = false; + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; } - } + extension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount ); - function getCompressedTextureFormats() { + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; - if ( compressedTextureFormats === null ) { + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; - compressedTextureFormats = []; + } - if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || - extensions.get( 'WEBGL_compressed_texture_s3tc' ) || - extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { + return { - var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); + setMode: setMode, + setIndex: setIndex, + render: render, + renderInstances: renderInstances - for ( var i = 0; i < formats.length; i ++ ) { + }; - compressedTextureFormats.push( formats[ i ] ); + } - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function WebGLBufferRenderer( gl, extensions, infoRender ) { - } + var mode; - return compressedTextureFormats; + function setMode( value ) { + + mode = value; } - function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + function render( start, count ) { - if ( blending !== NoBlending ) { + gl.drawArrays( mode, start, count ); - enable( gl.BLEND ); + infoRender.calls ++; + infoRender.vertices += count; - } else { + if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3; - disable( gl.BLEND ); + } - } + function renderInstances( geometry ) { - if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + var extension = extensions.get( 'ANGLE_instanced_arrays' ); - if ( blending === AdditiveBlending ) { + if ( extension === null ) { - if ( premultipliedAlpha ) { + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); + } - } else { + var position = geometry.attributes.position; - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); + var count = 0; - } + if ( (position && position.isInterleavedBufferAttribute) ) { - } else if ( blending === SubtractiveBlending ) { + count = position.data.count; - if ( premultipliedAlpha ) { + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); + } else { - } else { + count = position.count; - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); + extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount ); - } + } - } else if ( blending === MultiplyBlending ) { + infoRender.calls ++; + infoRender.vertices += count * geometry.maxInstancedCount; - if ( premultipliedAlpha ) { + if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3; - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); + } - } else { + return { + setMode: setMode, + render: render, + renderInstances: renderInstances + }; - gl.blendEquation( gl.FUNC_ADD ); - gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); + } - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - } else { + function WebGLLights() { - if ( premultipliedAlpha ) { + var lights = {}; - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + return { - } else { + get: function ( light ) { - gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); - gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + if ( lights[ light.id ] !== undefined ) { - } + return lights[ light.id ]; } - currentBlending = blending; - currentPremultipledAlpha = premultipliedAlpha; - - } - - if ( blending === CustomBlending ) { + var uniforms; - blendEquationAlpha = blendEquationAlpha || blendEquation; - blendSrcAlpha = blendSrcAlpha || blendSrc; - blendDstAlpha = blendDstAlpha || blendDst; + switch ( light.type ) { - if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color(), - gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - currentBlendEquation = blendEquation; - currentBlendEquationAlpha = blendEquationAlpha; + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0, - } + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0, - gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); + shadow: false, + shadowBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; - currentBlendSrc = blendSrc; - currentBlendDst = blendDst; - currentBlendSrcAlpha = blendSrcAlpha; - currentBlendDstAlpha = blendDstAlpha; + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; } - } else { + lights[ light.id ] = uniforms; - currentBlendEquation = null; - currentBlendSrc = null; - currentBlendDst = null; - currentBlendEquationAlpha = null; - currentBlendSrcAlpha = null; - currentBlendDstAlpha = null; + return uniforms; } - } + }; - // TODO Deprecate + } - function setColorWrite( colorWrite ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - colorBuffer.setMask( colorWrite ); + function addLineNumbers( string ) { - } + var lines = string.split( '\n' ); - function setDepthTest( depthTest ) { + for ( var i = 0; i < lines.length; i ++ ) { - depthBuffer.setTest( depthTest ); + lines[ i ] = ( i + 1 ) + ': ' + lines[ i ]; } - function setDepthWrite( depthWrite ) { - - depthBuffer.setMask( depthWrite ); + return lines.join( '\n' ); - } + } - function setDepthFunc( depthFunc ) { + function WebGLShader( gl, type, string ) { - depthBuffer.setFunc( depthFunc ); + var shader = gl.createShader( type ); - } + gl.shaderSource( shader, string ); + gl.compileShader( shader ); - function setStencilTest( stencilTest ) { + if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) { - stencilBuffer.setTest( stencilTest ); + console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' ); } - function setStencilWrite( stencilWrite ) { + if ( gl.getShaderInfoLog( shader ) !== '' ) { - stencilBuffer.setMask( stencilWrite ); + console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) ); } - function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { - - stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); + // --enable-privileged-webgl-extension + // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); - } + return shader; - function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { + } - stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + var programIdCount = 0; - // + function getEncodingComponents( encoding ) { - function setFlipSided( flipSided ) { + switch ( encoding ) { - if ( currentFlipSided !== flipSided ) { + case LinearEncoding: + return [ 'Linear','( value )' ]; + case sRGBEncoding: + return [ 'sRGB','( value )' ]; + case RGBEEncoding: + return [ 'RGBE','( value )' ]; + case RGBM7Encoding: + return [ 'RGBM','( value, 7.0 )' ]; + case RGBM16Encoding: + return [ 'RGBM','( value, 16.0 )' ]; + case RGBDEncoding: + return [ 'RGBD','( value, 256.0 )' ]; + case GammaEncoding: + return [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ]; + default: + throw new Error( 'unsupported encoding: ' + encoding ); - if ( flipSided ) { + } - gl.frontFace( gl.CW ); + } - } else { + function getTexelDecodingFunction( functionName, encoding ) { - gl.frontFace( gl.CCW ); + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return " + components[ 0 ] + "ToLinear" + components[ 1 ] + "; }"; - } + } - currentFlipSided = flipSided; + function getTexelEncodingFunction( functionName, encoding ) { - } + var components = getEncodingComponents( encoding ); + return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[ 0 ] + components[ 1 ] + "; }"; - } + } - function setCullFace( cullFace ) { + function getToneMappingFunction( functionName, toneMapping ) { - if ( cullFace !== CullFaceNone ) { + var toneMappingName; - enable( gl.CULL_FACE ); + switch ( toneMapping ) { - if ( cullFace !== currentCullFace ) { + case LinearToneMapping: + toneMappingName = "Linear"; + break; - if ( cullFace === CullFaceBack ) { + case ReinhardToneMapping: + toneMappingName = "Reinhard"; + break; - gl.cullFace( gl.BACK ); + case Uncharted2ToneMapping: + toneMappingName = "Uncharted2"; + break; - } else if ( cullFace === CullFaceFront ) { + case CineonToneMapping: + toneMappingName = "OptimizedCineon"; + break; - gl.cullFace( gl.FRONT ); + default: + throw new Error( 'unsupported toneMapping: ' + toneMapping ); - } else { + } - gl.cullFace( gl.FRONT_AND_BACK ); + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; - } + } - } + function generateExtensions( extensions, parameters, rendererExtensions ) { - } else { + extensions = extensions || {}; - disable( gl.CULL_FACE ); + var chunks = [ + ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '', + ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '', + ]; - } + return chunks.filter( filterEmptyLine ).join( '\n' ); - currentCullFace = cullFace; + } - } + function generateDefines( defines ) { - function setLineWidth( width ) { + var chunks = []; - if ( width !== currentLineWidth ) { + for ( var name in defines ) { - gl.lineWidth( width ); + var value = defines[ name ]; - currentLineWidth = width; + if ( value === false ) continue; - } + chunks.push( '#define ' + name + ' ' + value ); } - function setPolygonOffset( polygonOffset, factor, units ) { - - if ( polygonOffset ) { + return chunks.join( '\n' ); - enable( gl.POLYGON_OFFSET_FILL ); + } - if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + function fetchAttributeLocations( gl, program, identifiers ) { - gl.polygonOffset( factor, units ); + var attributes = {}; - currentPolygonOffsetFactor = factor; - currentPolygonOffsetUnits = units; + var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); - } + for ( var i = 0; i < n; i ++ ) { - } else { + var info = gl.getActiveAttrib( program, i ); + var name = info.name; - disable( gl.POLYGON_OFFSET_FILL ); + // console.log("THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:", name, i ); - } + attributes[ name ] = gl.getAttribLocation( program, name ); } - function getScissorTest() { - - return currentScissorTest; - - } + return attributes; - function setScissorTest( scissorTest ) { + } - currentScissorTest = scissorTest; + function filterEmptyLine( string ) { - if ( scissorTest ) { + return string !== ''; - enable( gl.SCISSOR_TEST ); + } - } else { + function replaceLightNums( string, parameters ) { - disable( gl.SCISSOR_TEST ); + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ); - } + } - } + function parseIncludes( string ) { - // texture + var pattern = /#include +<([\w\d.]+)>/g; - function activeTexture( webglSlot ) { + function replace( match, include ) { - if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; + var replace = ShaderChunk[ include ]; - if ( currentTextureSlot !== webglSlot ) { + if ( replace === undefined ) { - gl.activeTexture( webglSlot ); - currentTextureSlot = webglSlot; + throw new Error( 'Can not resolve #include <' + include + '>' ); } + return parseIncludes( replace ); + } - function bindTexture( webglType, webglTexture ) { + return string.replace( pattern, replace ); - if ( currentTextureSlot === null ) { + } - activeTexture(); + function unrollLoops( string ) { - } + var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; - var boundTexture = currentBoundTextures[ currentTextureSlot ]; + function replace( match, start, end, snippet ) { - if ( boundTexture === undefined ) { + var unroll = ''; - boundTexture = { type: undefined, texture: undefined }; - currentBoundTextures[ currentTextureSlot ] = boundTexture; + for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) { + + unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' ); } - if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + return unroll; - gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + } - boundTexture.type = webglType; - boundTexture.texture = webglTexture; + return string.replace( pattern, replace ); - } + } - } + function WebGLProgram( renderer, code, material, parameters ) { - function compressedTexImage2D() { + var gl = renderer.context; - try { + var extensions = material.extensions; + var defines = material.defines; - gl.compressedTexImage2D.apply( gl, arguments ); + var vertexShader = material.__webglShader.vertexShader; + var fragmentShader = material.__webglShader.fragmentShader; - } catch ( error ) { + var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; - console.error( error ); + if ( parameters.shadowMapType === PCFShadowMap ) { - } + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; } - function texImage2D() { + var envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + var envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; - try { + if ( parameters.envMap ) { - gl.texImage2D.apply( gl, arguments ); + switch ( material.envMap.mapping ) { - } catch ( error ) { + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; - console.error( error ); + case CubeUVReflectionMapping: + case CubeUVRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; + + case EquirectangularReflectionMapping: + case EquirectangularRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC'; + break; + + case SphericalReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_SPHERE'; + break; } - } + switch ( material.envMap.mapping ) { - // TODO Deprecate + case CubeRefractionMapping: + case EquirectangularRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; - function clearColor( r, g, b, a ) { + } - colorBuffer.setClear( r, g, b, a ); + switch ( material.combine ) { - } + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; - function clearDepth( depth ) { + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; - depthBuffer.setClear( depth ); + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + + } } - function clearStencil( stencil ) { + var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0; - stencilBuffer.setClear( stencil ); + // console.log( 'building new program ' ); - } + // + + var customExtensions = generateExtensions( extensions, parameters, renderer.extensions ); + + var customDefines = generateDefines( defines ); // - function scissor( scissor ) { + var program = gl.createProgram(); - if ( currentScissor.equals( scissor ) === false ) { + var prefixVertex, prefixFragment; - gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); - currentScissor.copy( scissor ); + if ( material.isRawShaderMaterial ) { - } + prefixVertex = [ - } + customDefines, - function viewport( viewport ) { + '\n' - if ( currentViewport.equals( viewport ) === false ) { + ].filter( filterEmptyLine ).join( '\n' ); - gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); - currentViewport.copy( viewport ); + prefixFragment = [ - } + customExtensions, + customDefines, - } + '\n' - // + ].filter( filterEmptyLine ).join( '\n' ); - function reset() { + } else { - for ( var i = 0; i < enabledAttributes.length; i ++ ) { + prefixVertex = [ - if ( enabledAttributes[ i ] === 1 ) { + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', - gl.disableVertexAttribArray( i ); - enabledAttributes[ i ] = 0; + '#define SHADER_NAME ' + material.__webglShader.name, - } + customDefines, - } + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', - capabilities = {}; + '#define GAMMA_FACTOR ' + gammaFactorDefine, - compressedTextureFormats = null; + '#define MAX_BONES ' + parameters.maxBones, - currentTextureSlot = null; - currentBoundTextures = {}; + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', - currentBlending = null; + parameters.flatShading ? '#define FLAT_SHADED' : '', - currentFlipSided = null; - currentCullFace = null; + parameters.skinning ? '#define USE_SKINNING' : '', + parameters.useVertexTexture ? '#define BONE_TEXTURE' : '', - colorBuffer.reset(); - depthBuffer.reset(); - stencilBuffer.reset(); + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', - } + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, - return { + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - buffers: { - color: colorBuffer, - depth: depthBuffer, - stencil: stencilBuffer - }, + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', - init: init, - initAttributes: initAttributes, - enableAttribute: enableAttribute, - enableAttributeAndDivisor: enableAttributeAndDivisor, - disableUnusedAttributes: disableUnusedAttributes, - enable: enable, - disable: disable, - getCompressedTextureFormats: getCompressedTextureFormats, + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - setBlending: setBlending, + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', - setColorWrite: setColorWrite, - setDepthTest: setDepthTest, - setDepthWrite: setDepthWrite, - setDepthFunc: setDepthFunc, - setStencilTest: setStencilTest, - setStencilWrite: setStencilWrite, - setStencilFunc: setStencilFunc, - setStencilOp: setStencilOp, + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', - setFlipSided: setFlipSided, - setCullFace: setCullFace, + '#ifdef USE_COLOR', - setLineWidth: setLineWidth, - setPolygonOffset: setPolygonOffset, + ' attribute vec3 color;', - getScissorTest: getScissorTest, - setScissorTest: setScissorTest, + '#endif', - activeTexture: activeTexture, - bindTexture: bindTexture, - compressedTexImage2D: compressedTexImage2D, - texImage2D: texImage2D, + '#ifdef USE_MORPHTARGETS', - clearColor: clearColor, - clearDepth: clearDepth, - clearStencil: clearStencil, + ' attribute vec3 morphTarget0;', + ' attribute vec3 morphTarget1;', + ' attribute vec3 morphTarget2;', + ' attribute vec3 morphTarget3;', - scissor: scissor, - viewport: viewport, + ' #ifdef USE_MORPHNORMALS', - reset: reset + ' attribute vec3 morphNormal0;', + ' attribute vec3 morphNormal1;', + ' attribute vec3 morphNormal2;', + ' attribute vec3 morphNormal3;', - }; + ' #else', - } + ' attribute vec3 morphTarget4;', + ' attribute vec3 morphTarget5;', + ' attribute vec3 morphTarget6;', + ' attribute vec3 morphTarget7;', - /** - * @author mrdoob / http://mrdoob.com/ - */ + ' #endif', - function WebGLCapabilities( gl, extensions, parameters ) { + '#endif', - var maxAnisotropy; + '#ifdef USE_SKINNING', - function getMaxAnisotropy() { + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', - if ( maxAnisotropy !== undefined ) return maxAnisotropy; + '#endif', - var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + '\n' - if ( extension !== null ) { + ].filter( filterEmptyLine ).join( '\n' ); - maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + prefixFragment = [ - } else { + customExtensions, - maxAnisotropy = 0; + 'precision ' + parameters.precision + ' float;', + 'precision ' + parameters.precision + ' int;', - } + '#define SHADER_NAME ' + material.__webglShader.name, - return maxAnisotropy; + customDefines, - } + parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '', - function getMaxPrecision( precision ) { + '#define GAMMA_FACTOR ' + gammaFactorDefine, - if ( precision === 'highp' ) { + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '', - if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && - gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', - return 'highp'; + parameters.flatShading ? '#define FLAT_SHADED' : '', - } + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', - precision = 'mediump'; + '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes, + '#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection), - } + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', - if ( precision === 'mediump' ) { + parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : '', - if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && - gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { + parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : '', - return 'mediump'; + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '', - } + parameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '', - } + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', - return 'lowp'; + ( parameters.toneMapping !== NoToneMapping ) ? "#define TONE_MAPPING" : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( "toneMapping", parameters.toneMapping ) : '', + + ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below + parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '', + parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '', + parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '', + parameters.outputEncoding ? getTexelEncodingFunction( "linearToOutputTexel", parameters.outputEncoding ) : '', + + parameters.depthPacking ? "#define DEPTH_PACKING " + material.depthPacking : '', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); } - var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; - var maxPrecision = getMaxPrecision( precision ); + vertexShader = parseIncludes( vertexShader, parameters ); + vertexShader = replaceLightNums( vertexShader, parameters ); - if ( maxPrecision !== precision ) { + fragmentShader = parseIncludes( fragmentShader, parameters ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); - console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); - precision = maxPrecision; + if ( ! material.isShaderMaterial ) { + + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); } - var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' ); + var vertexGlsl = prefixVertex + vertexShader; + var fragmentGlsl = prefixFragment + fragmentShader; - var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); - var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); - var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); - var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); - var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); - var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); - var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); - var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); + var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); + var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); - var vertexTextures = maxVertexTextures > 0; - var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); - var floatVertexTextures = vertexTextures && floatFragmentTextures; + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); - return { + // Force a particular attribute to index 0. - getMaxAnisotropy: getMaxAnisotropy, - getMaxPrecision: getMaxPrecision, + if ( material.index0AttributeName !== undefined ) { - precision: precision, - logarithmicDepthBuffer: logarithmicDepthBuffer, + gl.bindAttribLocation( program, 0, material.index0AttributeName ); - maxTextures: maxTextures, - maxVertexTextures: maxVertexTextures, - maxTextureSize: maxTextureSize, - maxCubemapSize: maxCubemapSize, + } else if ( parameters.morphTargets === true ) { - maxAttributes: maxAttributes, - maxVertexUniforms: maxVertexUniforms, - maxVaryings: maxVaryings, - maxFragmentUniforms: maxFragmentUniforms, + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); - vertexTextures: vertexTextures, - floatFragmentTextures: floatFragmentTextures, - floatVertexTextures: floatVertexTextures + } - }; + gl.linkProgram( program ); - } + var programLog = gl.getProgramInfoLog( program ); + var vertexLog = gl.getShaderInfoLog( glVertexShader ); + var fragmentLog = gl.getShaderInfoLog( glFragmentShader ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + var runnable = true; + var haveDiagnostics = true; - function WebGLExtensions( gl ) { + // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) ); + // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) ); - var extensions = {}; + if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { - return { + runnable = false; - get: function ( name ) { + console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog ); - if ( extensions[ name ] !== undefined ) { + } else if ( programLog !== '' ) { - return extensions[ name ]; + console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog ); - } + } else if ( vertexLog === '' || fragmentLog === '' ) { - var extension; + haveDiagnostics = false; - switch ( name ) { + } - case 'WEBGL_depth_texture': - extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); - break; + if ( haveDiagnostics ) { - case 'EXT_texture_filter_anisotropic': - extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); - break; + this.diagnostics = { - case 'WEBGL_compressed_texture_s3tc': - extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); - break; + runnable: runnable, + material: material, - case 'WEBGL_compressed_texture_pvrtc': - extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); - break; + programLog: programLog, - case 'WEBGL_compressed_texture_etc1': - extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); - break; + vertexShader: { - default: - extension = gl.getExtension( name ); + log: vertexLog, + prefix: prefixVertex - } + }, - if ( extension === null ) { + fragmentShader: { - console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + log: fragmentLog, + prefix: prefixFragment } - extensions[ name ] = extension; - - return extension; + }; - } + } - }; + // clean up - } + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); - /** - * @author tschw - */ + // set up caching for uniform locations - function WebGLClipping() { + var cachedUniforms; - var scope = this, + this.getUniforms = function() { - globalState = null, - numGlobalPlanes = 0, - localClippingEnabled = false, - renderingShadows = false, + if ( cachedUniforms === undefined ) { - plane = new Plane(), - viewNormalMatrix = new Matrix3(), + cachedUniforms = + new WebGLUniforms( gl, program, renderer ); - uniform = { value: null, needsUpdate: false }; + } - this.uniform = uniform; - this.numPlanes = 0; - this.numIntersection = 0; + return cachedUniforms; - this.init = function( planes, enableLocalClipping, camera ) { + }; - var enabled = - planes.length !== 0 || - enableLocalClipping || - // enable state of previous frame - the clipping code has to - // run another frame in order to reset the state: - numGlobalPlanes !== 0 || - localClippingEnabled; + // set up caching for attribute locations - localClippingEnabled = enableLocalClipping; + var cachedAttributes; - globalState = projectPlanes( planes, camera, 0 ); - numGlobalPlanes = planes.length; + this.getAttributes = function() { - return enabled; + if ( cachedAttributes === undefined ) { - }; + cachedAttributes = fetchAttributeLocations( gl, program ); - this.beginShadows = function() { + } - renderingShadows = true; - projectPlanes( null ); + return cachedAttributes; }; - this.endShadows = function() { + // free resource - renderingShadows = false; - resetGlobalState(); + this.destroy = function() { + + gl.deleteProgram( program ); + this.program = undefined; }; - this.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { + // DEPRECATED - if ( ! localClippingEnabled || - planes === null || planes.length === 0 || - renderingShadows && ! clipShadows ) { - // there's no local clipping + Object.defineProperties( this, { - if ( renderingShadows ) { - // there's no global clipping - - projectPlanes( null ); + uniforms: { + get: function() { - } else { + console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' ); + return this.getUniforms(); - resetGlobalState(); } + }, - } else { - - var nGlobal = renderingShadows ? 0 : numGlobalPlanes, - lGlobal = nGlobal * 4, - - dstArray = cache.clippingState || null; - - uniform.value = dstArray; // ensure unique state - - dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); - - for ( var i = 0; i !== lGlobal; ++ i ) { + attributes: { + get: function() { - dstArray[ i ] = globalState[ i ]; + console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' ); + return this.getAttributes(); } + } - cache.clippingState = dstArray; - this.numIntersection = clipIntersection ? this.numPlanes : 0; - this.numPlanes += nGlobal; + } ); - } + // - }; + this.id = programIdCount ++; + this.code = code; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; - function resetGlobalState() { + return this; - if ( uniform.value !== globalState ) { + } - uniform.value = globalState; - uniform.needsUpdate = numGlobalPlanes > 0; + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function WebGLPrograms( renderer, capabilities ) { - scope.numPlanes = numGlobalPlanes; - scope.numIntersection = 0; + var programs = []; - } + var shaderIDs = { + MeshDepthMaterial: 'depth', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points' + }; - function projectPlanes( planes, camera, dstOffset, skipTransform ) { + var parameterNames = [ + "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding", + "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap", + "roughnessMap", "metalnessMap", + "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp", + "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", + "maxBones", "useVertexTexture", "morphTargets", "morphNormals", + "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", + "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", + "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights', + "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking" + ]; - var nPlanes = planes !== null ? planes.length : 0, - dstArray = null; - if ( nPlanes !== 0 ) { + function allocateBones( object ) { - dstArray = uniform.value; + if ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) { - if ( skipTransform !== true || dstArray === null ) { + return 1024; - var flatSize = dstOffset + nPlanes * 4, - viewMatrix = camera.matrixWorldInverse; + } else { - viewNormalMatrix.getNormalMatrix( viewMatrix ); + // default for when object is not specified + // ( for example when prebuilding shader to be used with multiple objects ) + // + // - leave some extra space for other uniforms + // - limit here is ANGLE's 254 max uniform vectors + // (up to 54 should be safe) - if ( dstArray === null || dstArray.length < flatSize ) { + var nVertexUniforms = capabilities.maxVertexUniforms; + var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 ); - dstArray = new Float32Array( flatSize ); + var maxBones = nVertexMatrices; - } + if ( object !== undefined && (object && object.isSkinnedMesh) ) { - for ( var i = 0, i4 = dstOffset; - i !== nPlanes; ++ i, i4 += 4 ) { + maxBones = Math.min( object.skeleton.bones.length, maxBones ); - plane.copy( planes[ i ] ). - applyMatrix4( viewMatrix, viewNormalMatrix ); + if ( maxBones < object.skeleton.bones.length ) { - plane.normal.toArray( dstArray, i4 ); - dstArray[ i4 + 3 ] = plane.constant; + console.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' ); } } - uniform.value = dstArray; - uniform.needsUpdate = true; + return maxBones; } - scope.numPlanes = nPlanes; - - return dstArray; - } - } + function getTextureEncodingFromMap( map, gammaOverrideLinear ) { - /** - * @author supereggbert / http://www.paulbrunt.co.uk/ - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * @author szimek / https://github.com/szimek/ - * @author tschw - */ + var encoding; - function WebGLRenderer( parameters ) { + if ( ! map ) { - console.log( 'THREE.WebGLRenderer', REVISION ); + encoding = LinearEncoding; - parameters = parameters || {}; + } else if ( (map && map.isTexture) ) { - var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), - _context = parameters.context !== undefined ? parameters.context : null, + encoding = map.encoding; - _alpha = parameters.alpha !== undefined ? parameters.alpha : false, - _depth = parameters.depth !== undefined ? parameters.depth : true, - _stencil = parameters.stencil !== undefined ? parameters.stencil : true, - _antialias = parameters.antialias !== undefined ? parameters.antialias : false, - _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, - _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false; + } else if ( (map && map.isWebGLRenderTarget) ) { - var lights = []; + console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." ); + encoding = map.texture.encoding; - var opaqueObjects = []; - var opaqueObjectsLastIndex = - 1; - var transparentObjects = []; - var transparentObjectsLastIndex = - 1; + } - var morphInfluences = new Float32Array( 8 ); + // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point. + if ( encoding === LinearEncoding && gammaOverrideLinear ) { - var sprites = []; - var lensFlares = []; + encoding = GammaEncoding; - // public properties + } - this.domElement = _canvas; - this.context = null; + return encoding; - // clearing + } - this.autoClear = true; - this.autoClearColor = true; - this.autoClearDepth = true; - this.autoClearStencil = true; + this.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) { - // scene graph + var shaderID = shaderIDs[ material.type ]; - this.sortObjects = true; + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) - // user-defined clipping + var maxBones = allocateBones( object ); + var precision = renderer.getPrecision(); - this.clippingPlanes = []; - this.localClippingEnabled = false; + if ( material.precision !== null ) { - // physically based shading + precision = capabilities.getMaxPrecision( material.precision ); - this.gammaFactor = 2.0; // for backwards compatibility - this.gammaInput = false; - this.gammaOutput = false; + if ( precision !== material.precision ) { - // physical lights + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); - this.physicallyCorrectLights = false; + } - // tone mapping + } - this.toneMapping = LinearToneMapping; - this.toneMappingExposure = 1.0; - this.toneMappingWhitePoint = 1.0; + var currentRenderTarget = renderer.getCurrentRenderTarget(); - // morphs + var parameters = { - this.maxMorphTargets = 8; - this.maxMorphNormals = 4; + shaderID: shaderID, - // internal properties + precision: precision, + supportsVertexTextures: capabilities.vertexTextures, + outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ), + map: !! material.map, + mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ), + envMap: !! material.envMap, + envMapMode: material.envMap && material.envMap.mapping, + envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ), + envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ), + lightMap: !! material.lightMap, + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ), + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + alphaMap: !! material.alphaMap, - var _this = this, + combine: material.combine, - // internal state cache + vertexColors: material.vertexColors, - _currentProgram = null, - _currentRenderTarget = null, - _currentFramebuffer = null, - _currentMaterialId = - 1, - _currentGeometryProgram = '', - _currentCamera = null, + fog: !! fog, + useFog: material.fog, + fogExp: (fog && fog.isFogExp2), - _currentScissor = new Vector4(), - _currentScissorTest = null, + flatShading: material.shading === FlatShading, - _currentViewport = new Vector4(), + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer, - // + skinning: material.skinning, + maxBones: maxBones, + useVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture, - _usedTextureUnits = 0, + morphTargets: material.morphTargets, + morphNormals: material.morphNormals, + maxMorphTargets: renderer.maxMorphTargets, + maxMorphNormals: renderer.maxMorphNormals, - // + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numHemiLights: lights.hemi.length, - _clearColor = new Color( 0x000000 ), - _clearAlpha = 0, + numClippingPlanes: nClipPlanes, + numClipIntersection: nClipIntersection, - _width = _canvas.width, - _height = _canvas.height, + shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0, + shadowMapType: renderer.shadowMap.type, - _pixelRatio = 1, + toneMapping: renderer.toneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, - _scissor = new Vector4( 0, 0, _width, _height ), - _scissorTest = false, + premultipliedAlpha: material.premultipliedAlpha, - _viewport = new Vector4( 0, 0, _width, _height ), + alphaTest: material.alphaTest, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, - // frustum + depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false - _frustum = new Frustum(), + }; - // clipping + return parameters; - _clipping = new WebGLClipping(), - _clippingEnabled = false, - _localClippingEnabled = false, + }; - _sphere = new Sphere(), + this.getProgramCode = function ( material, parameters ) { - // camera matrices cache + var array = []; - _projScreenMatrix = new Matrix4(), + if ( parameters.shaderID ) { - _vector3 = new Vector3(), + array.push( parameters.shaderID ); - // light arrays cache + } else { - _lights = { + array.push( material.fragmentShader ); + array.push( material.vertexShader ); - hash: '', + } - ambient: [ 0, 0, 0 ], - directional: [], - directionalShadowMap: [], - directionalShadowMatrix: [], - spot: [], - spotShadowMap: [], - spotShadowMatrix: [], - point: [], - pointShadowMap: [], - pointShadowMatrix: [], - hemi: [], + if ( material.defines !== undefined ) { - shadows: [] + for ( var name in material.defines ) { - }, + array.push( name ); + array.push( material.defines[ name ] ); - // info + } - _infoRender = { + } - calls: 0, - vertices: 0, - faces: 0, - points: 0 + for ( var i = 0; i < parameterNames.length; i ++ ) { + + array.push( parameters[ parameterNames[ i ] ] ); + + } + + return array.join(); }; - this.info = { + this.acquireProgram = function ( material, parameters, code ) { - render: _infoRender, - memory: { + var program; - geometries: 0, - textures: 0 + // Check if code has been already compiled + for ( var p = 0, pl = programs.length; p < pl; p ++ ) { - }, - programs: null + var programInfo = programs[ p ]; - }; + if ( programInfo.code === code ) { + program = programInfo; + ++ program.usedTimes; - // initialize + break; - var _gl; + } - try { + } - var attributes = { - alpha: _alpha, - depth: _depth, - stencil: _stencil, - antialias: _antialias, - premultipliedAlpha: _premultipliedAlpha, - preserveDrawingBuffer: _preserveDrawingBuffer - }; + if ( program === undefined ) { - _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); + program = new WebGLProgram( renderer, code, material, parameters ); + programs.push( program ); - if ( _gl === null ) { + } - if ( _canvas.getContext( 'webgl' ) !== null ) { + return program; - throw 'Error creating WebGL context with your selected attributes.'; + }; - } else { + this.releaseProgram = function( program ) { - throw 'Error creating WebGL context.'; + if ( -- program.usedTimes === 0 ) { - } + // Remove from unordered set + var i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); + + // Free WebGL resources + program.destroy(); } - // Some experimental-webgl implementations do not have getShaderPrecisionFormat + }; - if ( _gl.getShaderPrecisionFormat === undefined ) { + // Exposed for resource monitoring & error feedback via renderer.info: + this.programs = programs; - _gl.getShaderPrecisionFormat = function () { + } - return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + /** + * @author mrdoob / http://mrdoob.com/ + */ - }; + function WebGLGeometries( gl, properties, info ) { - } + var geometries = {}; - _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + function onGeometryDispose( event ) { - } catch ( error ) { + var geometry = event.target; + var buffergeometry = geometries[ geometry.id ]; - console.error( 'THREE.WebGLRenderer: ' + error ); + if ( buffergeometry.index !== null ) { - } + deleteAttribute( buffergeometry.index ); - var extensions = new WebGLExtensions( _gl ); + } - extensions.get( 'WEBGL_depth_texture' ); - extensions.get( 'OES_texture_float' ); - extensions.get( 'OES_texture_float_linear' ); - extensions.get( 'OES_texture_half_float' ); - extensions.get( 'OES_texture_half_float_linear' ); - extensions.get( 'OES_standard_derivatives' ); - extensions.get( 'ANGLE_instanced_arrays' ); + deleteAttributes( buffergeometry.attributes ); - if ( extensions.get( 'OES_element_index_uint' ) ) { + geometry.removeEventListener( 'dispose', onGeometryDispose ); - BufferGeometry.MaxIndex = 4294967296; + delete geometries[ geometry.id ]; - } + // TODO - var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + var property = properties.get( geometry ); - var state = new WebGLState( _gl, extensions, paramThreeToGL ); - var properties = new WebGLProperties(); - var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); - var objects = new WebGLObjects( _gl, properties, this.info ); - var programCache = new WebGLPrograms( this, capabilities ); - var lightCache = new WebGLLights(); + if ( property.wireframe ) { - this.info.programs = programCache.programs; + deleteAttribute( property.wireframe ); - var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); - var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); + } - // + properties.delete( geometry ); - var backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); - var backgroundCamera2 = new PerspectiveCamera(); - var backgroundPlaneMesh = new Mesh( - new PlaneBufferGeometry( 2, 2 ), - new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) - ); - var backgroundBoxShader = ShaderLib[ 'cube' ]; - var backgroundBoxMesh = new Mesh( - new BoxBufferGeometry( 5, 5, 5 ), - new ShaderMaterial( { - uniforms: backgroundBoxShader.uniforms, - vertexShader: backgroundBoxShader.vertexShader, - fragmentShader: backgroundBoxShader.fragmentShader, - side: BackSide, - depthTest: false, - depthWrite: false, - fog: false - } ) - ); + var bufferproperty = properties.get( buffergeometry ); - // + if ( bufferproperty.wireframe ) { - function getTargetPixelRatio() { + deleteAttribute( bufferproperty.wireframe ); - return _currentRenderTarget === null ? _pixelRatio : 1; + } + + properties.delete( buffergeometry ); + + // + + info.memory.geometries --; } - function glClearColor( r, g, b, a ) { + function getAttributeBuffer( attribute ) { - if ( _premultipliedAlpha === true ) { + if ( attribute.isInterleavedBufferAttribute ) { - r *= a; g *= a; b *= a; + return properties.get( attribute.data ).__webglBuffer; } - state.clearColor( r, g, b, a ); + return properties.get( attribute ).__webglBuffer; } - function setDefaultGLState() { + function deleteAttribute( attribute ) { - state.init(); + var buffer = getAttributeBuffer( attribute ); - state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); - state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); + if ( buffer !== undefined ) { - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + gl.deleteBuffer( buffer ); + removeAttributeBuffer( attribute ); + + } } - function resetGLState() { + function deleteAttributes( attributes ) { - _currentProgram = null; - _currentCamera = null; + for ( var name in attributes ) { - _currentGeometryProgram = ''; - _currentMaterialId = - 1; + deleteAttribute( attributes[ name ] ); - state.reset(); + } } - setDefaultGLState(); + function removeAttributeBuffer( attribute ) { - this.context = _gl; - this.capabilities = capabilities; - this.extensions = extensions; - this.properties = properties; - this.state = state; - - // shadow map - - var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); + if ( attribute.isInterleavedBufferAttribute ) { - this.shadowMap = shadowMap; + properties.delete( attribute.data ); + } else { - // Plugins + properties.delete( attribute ); - var spritePlugin = new SpritePlugin( this, sprites ); - var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); + } - // API + } - this.getContext = function () { + return { - return _gl; + get: function ( object ) { - }; + var geometry = object.geometry; - this.getContextAttributes = function () { + if ( geometries[ geometry.id ] !== undefined ) { - return _gl.getContextAttributes(); + return geometries[ geometry.id ]; - }; + } - this.forceContextLoss = function () { + geometry.addEventListener( 'dispose', onGeometryDispose ); - extensions.get( 'WEBGL_lose_context' ).loseContext(); + var buffergeometry; - }; + if ( geometry.isBufferGeometry ) { - this.getMaxAnisotropy = function () { + buffergeometry = geometry; - return capabilities.getMaxAnisotropy(); + } else if ( geometry.isGeometry ) { - }; + if ( geometry._bufferGeometry === undefined ) { - this.getPrecision = function () { + geometry._bufferGeometry = new BufferGeometry().setFromObject( object ); - return capabilities.precision; + } - }; + buffergeometry = geometry._bufferGeometry; - this.getPixelRatio = function () { + } - return _pixelRatio; + geometries[ geometry.id ] = buffergeometry; - }; + info.memory.geometries ++; - this.setPixelRatio = function ( value ) { + return buffergeometry; - if ( value === undefined ) return; + } - _pixelRatio = value; + }; - this.setSize( _viewport.z, _viewport.w, false ); + } - }; + /** + * @author mrdoob / http://mrdoob.com/ + */ - this.getSize = function () { + function WebGLObjects( gl, properties, info ) { - return { - width: _width, - height: _height - }; + var geometries = new WebGLGeometries( gl, properties, info ); - }; + // - this.setSize = function ( width, height, updateStyle ) { + function update( object ) { - _width = width; - _height = height; + // TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter. - _canvas.width = width * _pixelRatio; - _canvas.height = height * _pixelRatio; + var geometry = geometries.get( object ); - if ( updateStyle !== false ) { + if ( object.geometry.isGeometry ) { - _canvas.style.width = width + 'px'; - _canvas.style.height = height + 'px'; + geometry.updateFromObject( object ); } - this.setViewport( 0, 0, width, height ); + var index = geometry.index; + var attributes = geometry.attributes; - }; + if ( index !== null ) { - this.setViewport = function ( x, y, width, height ) { + updateAttribute( index, gl.ELEMENT_ARRAY_BUFFER ); - state.viewport( _viewport.set( x, y, width, height ) ); + } - }; + for ( var name in attributes ) { - this.setScissor = function ( x, y, width, height ) { + updateAttribute( attributes[ name ], gl.ARRAY_BUFFER ); - state.scissor( _scissor.set( x, y, width, height ) ); + } - }; + // morph targets - this.setScissorTest = function ( boolean ) { + var morphAttributes = geometry.morphAttributes; - state.setScissorTest( _scissorTest = boolean ); + for ( var name in morphAttributes ) { - }; + var array = morphAttributes[ name ]; - // Clearing + for ( var i = 0, l = array.length; i < l; i ++ ) { - this.getClearColor = function () { + updateAttribute( array[ i ], gl.ARRAY_BUFFER ); - return _clearColor; + } - }; + } - this.setClearColor = function ( color, alpha ) { + return geometry; - _clearColor.set( color ); + } - _clearAlpha = alpha !== undefined ? alpha : 1; + function updateAttribute( attribute, bufferType ) { - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + var data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute; - }; + var attributeProperties = properties.get( data ); - this.getClearAlpha = function () { + if ( attributeProperties.__webglBuffer === undefined ) { - return _clearAlpha; + createBuffer( attributeProperties, data, bufferType ); - }; + } else if ( attributeProperties.version !== data.version ) { - this.setClearAlpha = function ( alpha ) { + updateBuffer( attributeProperties, data, bufferType ); - _clearAlpha = alpha; + } - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + } - }; + function createBuffer( attributeProperties, data, bufferType ) { - this.clear = function ( color, depth, stencil ) { + attributeProperties.__webglBuffer = gl.createBuffer(); + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); - var bits = 0; + var usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW; - if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; - if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; - if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; + gl.bufferData( bufferType, data.array, usage ); - _gl.clear( bits ); + attributeProperties.version = data.version; - }; + } - this.clearColor = function () { + function updateBuffer( attributeProperties, data, bufferType ) { - this.clear( true, false, false ); + gl.bindBuffer( bufferType, attributeProperties.__webglBuffer ); - }; + if ( data.dynamic === false ) { - this.clearDepth = function () { + gl.bufferData( bufferType, data.array, gl.STATIC_DRAW ); - this.clear( false, true, false ); + } else if ( data.updateRange.count === - 1 ) { - }; + // Not using update ranges - this.clearStencil = function () { + gl.bufferSubData( bufferType, 0, data.array ); - this.clear( false, false, true ); + } else if ( data.updateRange.count === 0 ) { - }; + console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' ); - this.clearTarget = function ( renderTarget, color, depth, stencil ) { + } else { - this.setRenderTarget( renderTarget ); - this.clear( color, depth, stencil ); + gl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT, + data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) ); - }; + data.updateRange.count = 0; // reset range - // Reset + } - this.resetGLState = resetGLState; + attributeProperties.version = data.version; - this.dispose = function() { + } - transparentObjects = []; - transparentObjectsLastIndex = -1; - opaqueObjects = []; - opaqueObjectsLastIndex = -1; + function getAttributeBuffer( attribute ) { - _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + if ( attribute.isInterleavedBufferAttribute ) { - }; + return properties.get( attribute.data ).__webglBuffer; - // Events + } - function onContextLost( event ) { + return properties.get( attribute ).__webglBuffer; - event.preventDefault(); + } - resetGLState(); - setDefaultGLState(); + function getWireframeAttribute( geometry ) { - properties.clear(); + var property = properties.get( geometry ); - } + if ( property.wireframe !== undefined ) { - function onMaterialDispose( event ) { + return property.wireframe; - var material = event.target; + } - material.removeEventListener( 'dispose', onMaterialDispose ); + var indices = []; - deallocateMaterial( material ); + var index = geometry.index; + var attributes = geometry.attributes; + var position = attributes.position; - } + // console.time( 'wireframe' ); - // Buffer deallocation + if ( index !== null ) { - function deallocateMaterial( material ) { + var edges = {}; + var array = index.array; - releaseMaterialProgramReference( material ); + for ( var i = 0, l = array.length; i < l; i += 3 ) { - properties.delete( material ); + var a = array[ i + 0 ]; + var b = array[ i + 1 ]; + var c = array[ i + 2 ]; - } + indices.push( a, b, b, c, c, a ); + } - function releaseMaterialProgramReference( material ) { + } else { - var programInfo = properties.get( material ).program; + var array = attributes.position.array; - material.program = undefined; + for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { - if ( programInfo !== undefined ) { + var a = i + 0; + var b = i + 1; + var c = i + 2; - programCache.releaseProgram( programInfo ); + indices.push( a, b, b, c, c, a ); + + } } - } + // console.timeEnd( 'wireframe' ); - // Buffer rendering + var TypeArray = position.count > 65535 ? Uint32Array : Uint16Array; + var attribute = new BufferAttribute( new TypeArray( indices ), 1 ); - this.renderBufferImmediate = function ( object, program, material ) { + updateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); - state.initAttributes(); + property.wireframe = attribute; - var buffers = properties.get( object ); + return attribute; - if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); - if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); - if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); - if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); + } - var attributes = program.getAttributes(); + return { - if ( object.hasPositions ) { + getAttributeBuffer: getAttributeBuffer, + getWireframeAttribute: getWireframeAttribute, - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); + update: update - state.enableAttribute( attributes.position ); - _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); + }; - } + } - if ( object.hasNormals ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); + function WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) { - if ( ! material.isMeshPhongMaterial && - ! material.isMeshStandardMaterial && - material.shading === FlatShading ) { + var _infoMemory = info.memory; + var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext ); - for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { + // - var array = object.normalArray; + function clampToMaxSize( image, maxSize ) { - var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; - var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; - var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; + if ( image.width > maxSize || image.height > maxSize ) { - array[ i + 0 ] = nx; - array[ i + 1 ] = ny; - array[ i + 2 ] = nz; + // Warning: Scaling through the canvas will only work with images that use + // premultiplied alpha. - array[ i + 3 ] = nx; - array[ i + 4 ] = ny; - array[ i + 5 ] = nz; + var scale = maxSize / Math.max( image.width, image.height ); - array[ i + 6 ] = nx; - array[ i + 7 ] = ny; - array[ i + 8 ] = nz; + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = Math.floor( image.width * scale ); + canvas.height = Math.floor( image.height * scale ); - } + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height ); - } + console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); + return canvas; - state.enableAttribute( attributes.normal ); + } - _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); + return image; - } + } - if ( object.hasUvs && material.map ) { + function isPowerOfTwo( image ) { - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); + return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height ); - state.enableAttribute( attributes.uv ); + } - _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); + function makePowerOfTwo( image ) { - } + if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) { - if ( object.hasColors && material.vertexColors !== NoColors ) { + var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + canvas.width = _Math.nearestPowerOfTwo( image.width ); + canvas.height = _Math.nearestPowerOfTwo( image.height ); - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); - _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); + var context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, canvas.width, canvas.height ); - state.enableAttribute( attributes.color ); + console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image ); - _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); + return canvas; } - state.disableUnusedAttributes(); + return image; - _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); + } - object.count = 0; + function textureNeedsPowerOfTwo( texture ) { - }; + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true; + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true; - this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { + return false; - setMaterial( material ); + } - var program = setProgram( camera, fog, material, object ); + // Fallback filters for non-power-of-2 textures - var updateBuffers = false; - var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; + function filterFallback( f ) { - if ( geometryProgram !== _currentGeometryProgram ) { + if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) { - _currentGeometryProgram = geometryProgram; - updateBuffers = true; + return _gl.NEAREST; } - // morph targets + return _gl.LINEAR; - var morphTargetInfluences = object.morphTargetInfluences; + } - if ( morphTargetInfluences !== undefined ) { + // - var activeInfluences = []; + function onTextureDispose( event ) { - for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { + var texture = event.target; - var influence = morphTargetInfluences[ i ]; - activeInfluences.push( [ influence, i ] ); + texture.removeEventListener( 'dispose', onTextureDispose ); - } + deallocateTexture( texture ); - activeInfluences.sort( absNumericalSort ); + _infoMemory.textures --; - if ( activeInfluences.length > 8 ) { - activeInfluences.length = 8; + } - } + function onRenderTargetDispose( event ) { - var morphAttributes = geometry.morphAttributes; + var renderTarget = event.target; - for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); - var influence = activeInfluences[ i ]; - morphInfluences[ i ] = influence[ 0 ]; + deallocateRenderTarget( renderTarget ); - if ( influence[ 0 ] !== 0 ) { + _infoMemory.textures --; - var index = influence[ 1 ]; + } - if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); - if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); + // - } else { + function deallocateTexture( texture ) { - if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); - if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); + var textureProperties = properties.get( texture ); - } + if ( texture.image && textureProperties.__image__webglTextureCube ) { - } + // cube texture - for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { + _gl.deleteTexture( textureProperties.__image__webglTextureCube ); - morphInfluences[ i ] = 0.0; + } else { - } + // 2D texture - program.getUniforms().setValue( - _gl, 'morphTargetInfluences', morphInfluences ); + if ( textureProperties.__webglInit === undefined ) return; - updateBuffers = true; + _gl.deleteTexture( textureProperties.__webglTexture ); } - // + // remove all webgl properties + properties.delete( texture ); - var index = geometry.index; - var position = geometry.attributes.position; - var rangeFactor = 1; + } - if ( material.wireframe === true ) { + function deallocateRenderTarget( renderTarget ) { - index = objects.getWireframeAttribute( geometry ); - rangeFactor = 2; + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); - } + if ( ! renderTarget ) return; - var renderer; + if ( textureProperties.__webglTexture !== undefined ) { - if ( index !== null ) { + _gl.deleteTexture( textureProperties.__webglTexture ); - renderer = indexedBufferRenderer; - renderer.setIndex( index ); + } - } else { + if ( renderTarget.depthTexture ) { - renderer = bufferRenderer; + renderTarget.depthTexture.dispose(); } - if ( updateBuffers ) { - - setupVertexAttributes( material, program, geometry ); + if ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) { - if ( index !== null ) { + for ( var i = 0; i < 6; i ++ ) { - _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); } - } - - // + } else { - var dataCount = 0; + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); - if ( index !== null ) { + } - dataCount = index.count; + properties.delete( renderTarget.texture ); + properties.delete( renderTarget ); - } else if ( position !== undefined ) { + } - dataCount = position.count; + // - } - var rangeStart = geometry.drawRange.start * rangeFactor; - var rangeCount = geometry.drawRange.count * rangeFactor; - var groupStart = group !== null ? group.start * rangeFactor : 0; - var groupCount = group !== null ? group.count * rangeFactor : Infinity; + function setTexture2D( texture, slot ) { - var drawStart = Math.max( rangeStart, groupStart ); - var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; + var textureProperties = properties.get( texture ); - var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - if ( drawCount === 0 ) return; + var image = texture.image; - // + if ( image === undefined ) { - if ( object.isMesh ) { + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture ); - if ( material.wireframe === true ) { + } else if ( image.complete === false ) { - state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); - renderer.setMode( _gl.LINES ); + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture ); } else { - switch ( object.drawMode ) { + uploadTexture( textureProperties, texture, slot ); + return; - case TrianglesDrawMode: - renderer.setMode( _gl.TRIANGLES ); - break; + } - case TriangleStripDrawMode: - renderer.setMode( _gl.TRIANGLE_STRIP ); - break; + } - case TriangleFanDrawMode: - renderer.setMode( _gl.TRIANGLE_FAN ); - break; + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - } + } - } + function setTextureCube( texture, slot ) { + var textureProperties = properties.get( texture ); - } else if ( object.isLine ) { + if ( texture.image.length === 6 ) { - var lineWidth = material.linewidth; + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { - if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material + if ( ! textureProperties.__image__webglTextureCube ) { - state.setLineWidth( lineWidth * getTargetPixelRatio() ); + texture.addEventListener( 'dispose', onTextureDispose ); - if ( object.isLineSegments ) { + textureProperties.__image__webglTextureCube = _gl.createTexture(); - renderer.setMode( _gl.LINES ); + _infoMemory.textures ++; - } else { + } - renderer.setMode( _gl.LINE_STRIP ); + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); - } + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); - } else if ( object.isPoints ) { + var isCompressed = (texture && texture.isCompressedTexture); + var isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture); - renderer.setMode( _gl.POINTS ); + var cubeImage = []; - } + for ( var i = 0; i < 6; i ++ ) { - if ( geometry && geometry.isInstancedBufferGeometry ) { + if ( ! isCompressed && ! isDataTexture ) { - if ( geometry.maxInstancedCount > 0 ) { + cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize ); - renderer.renderInstances( geometry, drawStart, drawCount ); + } else { - } + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; - } else { + } - renderer.render( drawStart, drawCount ); + } - } + var image = cubeImage[ 0 ], + isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); - }; + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage ); - function setupVertexAttributes( material, program, geometry, startIndex ) { + for ( var i = 0; i < 6; i ++ ) { - var extension; + if ( ! isCompressed ) { - if ( geometry && geometry.isInstancedBufferGeometry ) { + if ( isDataTexture ) { - extension = extensions.get( 'ANGLE_instanced_arrays' ); + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); - if ( extension === null ) { + } else { - console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); - return; + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] ); - } + } - } + } else { - if ( startIndex === undefined ) startIndex = 0; + var mipmap, mipmaps = cubeImage[ i ].mipmaps; - state.initAttributes(); + for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) { - var geometryAttributes = geometry.attributes; + mipmap = mipmaps[ j ]; - var programAttributes = program.getAttributes(); + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { - var materialDefaultAttributeValues = material.defaultAttributeValues; + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { - for ( var name in programAttributes ) { + state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); - var programAttribute = programAttributes[ name ]; + } else { - if ( programAttribute >= 0 ) { + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()" ); - var geometryAttribute = geometryAttributes[ name ]; + } - if ( geometryAttribute !== undefined ) { + } else { - var type = _gl.FLOAT; - var array = geometryAttribute.array; - var normalized = geometryAttribute.normalized; + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - if ( array instanceof Float32Array ) { + } - type = _gl.FLOAT; + } - } else if ( array instanceof Float64Array ) { + } - console.warn( "Unsupported data buffer format: Float64Array" ); + } - } else if ( array instanceof Uint16Array ) { + if ( texture.generateMipmaps && isPowerOfTwoImage ) { - type = _gl.UNSIGNED_SHORT; + _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); - } else if ( array instanceof Int16Array ) { + } - type = _gl.SHORT; + textureProperties.__version = texture.version; - } else if ( array instanceof Uint32Array ) { + if ( texture.onUpdate ) texture.onUpdate( texture ); - type = _gl.UNSIGNED_INT; + } else { - } else if ( array instanceof Int32Array ) { + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube ); - type = _gl.INT; + } - } else if ( array instanceof Int8Array ) { + } - type = _gl.BYTE; + } - } else if ( array instanceof Uint8Array ) { + function setTextureCubeDynamic( texture, slot ) { - type = _gl.UNSIGNED_BYTE; + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture ); - } + } - var size = geometryAttribute.itemSize; - var buffer = objects.getAttributeBuffer( geometryAttribute ); + function setTextureParameters( textureType, texture, isPowerOfTwoImage ) { - if ( geometryAttribute.isInterleavedBufferAttribute ) { + var extension; - var data = geometryAttribute.data; - var stride = data.stride; - var offset = geometryAttribute.offset; + if ( isPowerOfTwoImage ) { - if ( data && data.isInstancedInterleavedBuffer ) { + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) ); - state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension ); + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) ); - if ( geometry.maxInstancedCount === undefined ) { + } else { - geometry.maxInstancedCount = data.meshPerAttribute * data.count; + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE ); - } + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { - } else { + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture ); - state.enableAttribute( programAttribute ); + } - } + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) ); - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT ); + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { - } else { + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture ); - if ( geometryAttribute.isInstancedBufferAttribute ) { + } - state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); + } - if ( geometry.maxInstancedCount === undefined ) { + extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + if ( extension ) { - } + if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return; + if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return; - } else { + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { - state.enableAttribute( programAttribute ); + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; - } + } - _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); - _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT ); + } - } + } - } else if ( materialDefaultAttributeValues !== undefined ) { + function uploadTexture( textureProperties, texture, slot ) { - var value = materialDefaultAttributeValues[ name ]; + if ( textureProperties.__webglInit === undefined ) { - if ( value !== undefined ) { + textureProperties.__webglInit = true; - switch ( value.length ) { + texture.addEventListener( 'dispose', onTextureDispose ); - case 2: - _gl.vertexAttrib2fv( programAttribute, value ); - break; + textureProperties.__webglTexture = _gl.createTexture(); - case 3: - _gl.vertexAttrib3fv( programAttribute, value ); - break; + _infoMemory.textures ++; - case 4: - _gl.vertexAttrib4fv( programAttribute, value ); - break; + } - default: - _gl.vertexAttrib1fv( programAttribute, value ); + state.activeTexture( _gl.TEXTURE0 + slot ); + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); - } + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); - } + var image = clampToMaxSize( texture.image, capabilities.maxTextureSize ); - } + if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) { - } + image = makePowerOfTwo( image ); } - state.disableUnusedAttributes(); + var isPowerOfTwoImage = isPowerOfTwo( image ), + glFormat = paramThreeToGL( texture.format ), + glType = paramThreeToGL( texture.type ); - } + setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage ); - // Sorting + var mipmap, mipmaps = texture.mipmaps; - function absNumericalSort( a, b ) { + if ( (texture && texture.isDepthTexture) ) { - return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); + // populate depth texture with dummy data - } + var internalFormat = _gl.DEPTH_COMPONENT; - function painterSortStable( a, b ) { + if ( texture.type === FloatType ) { - if ( a.object.renderOrder !== b.object.renderOrder ) { + if ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0'); + internalFormat = _gl.DEPTH_COMPONENT32F; - return a.object.renderOrder - b.object.renderOrder; + } else if ( _isWebGL2 ) { - } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { + // WebGL 2.0 requires signed internalformat for glTexImage2D + internalFormat = _gl.DEPTH_COMPONENT16; - return a.material.program.id - b.material.program.id; + } - } else if ( a.material.id !== b.material.id ) { + // Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.format === DepthStencilFormat ) { - return a.material.id - b.material.id; + internalFormat = _gl.DEPTH_STENCIL; - } else if ( a.z !== b.z ) { + } - return a.z - b.z; + state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null ); - } else { + } else if ( (texture && texture.isDataTexture) ) { - return a.id - b.id; + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels - } + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { - } + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - function reversePainterSortStable( a, b ) { + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - if ( a.object.renderOrder !== b.object.renderOrder ) { + } - return a.object.renderOrder - b.object.renderOrder; + texture.generateMipmaps = false; - } if ( a.z !== b.z ) { + } else { - return b.z - a.z; + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data ); - } else { + } - return a.id - b.id; + } else if ( (texture && texture.isCompressedTexture) ) { - } + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - } + mipmap = mipmaps[ i ]; - // Rendering + if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) { - this.render = function ( scene, camera, renderTarget, forceClear ) { + if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) { - if ( camera !== undefined && camera.isCamera !== true ) { + state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data ); - console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); - return; + } else { - } + console.warn( "THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()" ); - // reset caching for this frame + } - _currentGeometryProgram = ''; - _currentMaterialId = - 1; - _currentCamera = null; + } else { - // update scene graph + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); - if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + } - // update camera matrices and frustum + } - if ( camera.parent === null ) camera.updateMatrixWorld(); + } else { - camera.matrixWorldInverse.getInverse( camera.matrixWorld ); + // regular Texture (image, video, canvas) - _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); - _frustum.setFromMatrix( _projScreenMatrix ); + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels - lights.length = 0; + if ( mipmaps.length > 0 && isPowerOfTwoImage ) { - opaqueObjectsLastIndex = - 1; - transparentObjectsLastIndex = - 1; + for ( var i = 0, il = mipmaps.length; i < il; i ++ ) { - sprites.length = 0; - lensFlares.length = 0; + mipmap = mipmaps[ i ]; + state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap ); - _localClippingEnabled = this.localClippingEnabled; - _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + } - projectObject( scene, camera ); + texture.generateMipmaps = false; - opaqueObjects.length = opaqueObjectsLastIndex + 1; - transparentObjects.length = transparentObjectsLastIndex + 1; + } else { - if ( _this.sortObjects === true ) { + state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image ); - opaqueObjects.sort( painterSortStable ); - transparentObjects.sort( reversePainterSortStable ); + } } - // + if ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D ); - if ( _clippingEnabled ) _clipping.beginShadows(); + textureProperties.__version = texture.version; - setupShadows( lights ); + if ( texture.onUpdate ) texture.onUpdate( texture ); - shadowMap.render( scene, camera ); + } - setupLights( lights, camera ); + // Render targets - if ( _clippingEnabled ) _clipping.endShadows(); + // Setup storage for target texture and bind it to correct framebuffer + function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) { - // + var glFormat = paramThreeToGL( renderTarget.texture.format ); + var glType = paramThreeToGL( renderTarget.texture.type ); + state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); - _infoRender.calls = 0; - _infoRender.vertices = 0; - _infoRender.faces = 0; - _infoRender.points = 0; + } - if ( renderTarget === undefined ) { + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget ) { - renderTarget = null; + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); - } + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { - this.setRenderTarget( renderTarget ); + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); - // + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { - var background = scene.background; + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer ); - if ( background === null ) { + } else { - glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); + // FIXME: We don't support !depth !stencil + _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height ); - } else if ( background && background.isColor ) { + } - glClearColor( background.r, background.g, background.b, 1 ); - forceClear = true; + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); - } + } - if ( this.autoClear || forceClear ) { + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { - this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + if ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!'); - } + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - if ( background && background.isCubeTexture ) { + if ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) { - backgroundCamera2.projectionMatrix.copy( camera.projectionMatrix ); + throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture'); - backgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld ); - backgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld ); + } - backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; - backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); + // upload an empty depth texture with framebuffer size + if ( !properties.get( renderTarget.depthTexture ).__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } - objects.update( backgroundBoxMesh ); + setTexture2D( renderTarget.depthTexture, 0 ); - _this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); + var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; - } else if ( background && background.isTexture ) { + if ( renderTarget.depthTexture.format === DepthFormat ) { - backgroundPlaneMesh.material.map = background; + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); - objects.update( backgroundPlaneMesh ); + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { - _this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + + } else { + + throw new Error('Unknown depthTexture format') } - // + } - if ( scene.overrideMaterial ) { + // Setup GL resources for a non-texture depth buffer + function setupDepthRenderbuffer( renderTarget ) { - var overrideMaterial = scene.overrideMaterial; + var renderTargetProperties = properties.get( renderTarget ); - renderObjects( opaqueObjects, scene, camera, overrideMaterial ); - renderObjects( transparentObjects, scene, camera, overrideMaterial ); + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); - } else { + if ( renderTarget.depthTexture ) { - // opaque pass (front-to-back order) + if ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets'); - state.setBlending( NoBlending ); - renderObjects( opaqueObjects, scene, camera ); + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); - // transparent pass (back-to-front order) + } else { - renderObjects( transparentObjects, scene, camera ); + if ( isCube ) { - } + renderTargetProperties.__webglDepthbuffer = []; - // custom render plugins (post pass) + for ( var i = 0; i < 6; i ++ ) { - spritePlugin.render( scene, camera ); - lensFlarePlugin.render( scene, camera, _currentViewport ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget ); - // Generate mipmap if we're using any kind of mipmap filtering + } - if ( renderTarget ) { + } else { - textures.updateRenderTargetMipmap( renderTarget ); + _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget ); + + } } - // Ensure depth buffer writing is enabled so it can be cleared on next render + _gl.bindFramebuffer( _gl.FRAMEBUFFER, null ); - state.setDepthTest( true ); - state.setDepthWrite( true ); - state.setColorWrite( true ); + } - // _gl.finish(); + // Set up GL resources for the render target + function setupRenderTarget( renderTarget ) { - }; + var renderTargetProperties = properties.get( renderTarget ); + var textureProperties = properties.get( renderTarget.texture ); - function pushRenderItem( object, geometry, material, z, group ) { + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); - var array, index; + textureProperties.__webglTexture = _gl.createTexture(); - // allocate the next position in the appropriate array + _infoMemory.textures ++; - if ( material.transparent ) { + var isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ); + var isTargetPowerOfTwo = isPowerOfTwo( renderTarget ); - array = transparentObjects; - index = ++ transparentObjectsLastIndex; + // Setup framebuffer - } else { + if ( isCube ) { - array = opaqueObjects; - index = ++ opaqueObjectsLastIndex; + renderTargetProperties.__webglFramebuffer = []; - } + for ( var i = 0; i < 6; i ++ ) { - // recycle existing render item or grow the array + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); - var renderItem = array[ index ]; + } - if ( renderItem !== undefined ) { + } else { - renderItem.id = object.id; - renderItem.object = object; - renderItem.geometry = geometry; - renderItem.material = material; - renderItem.z = _vector3.z; - renderItem.group = group; - - } else { - - renderItem = { - id: object.id, - object: object, - geometry: geometry, - material: material, - z: _vector3.z, - group: group - }; - - // assert( index === array.length ); - array.push( renderItem ); + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); } - } + // Setup color buffer - // TODO Duplicated code (Frustum) + if ( isCube ) { - function isObjectViewable( object ) { + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo ); - var geometry = object.geometry; + for ( var i = 0; i < 6; i ++ ) { - if ( geometry.boundingSphere === null ) - geometry.computeBoundingSphere(); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i ); - _sphere.copy( geometry.boundingSphere ). - applyMatrix4( object.matrixWorld ); + } - return isSphereViewable( _sphere ); + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP ); + state.bindTexture( _gl.TEXTURE_CUBE_MAP, null ); - } + } else { - function isSpriteViewable( sprite ) { + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D ); - _sphere.center.set( 0, 0, 0 ); - _sphere.radius = 0.7071067811865476; - _sphere.applyMatrix4( sprite.matrixWorld ); + if ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D ); + state.bindTexture( _gl.TEXTURE_2D, null ); - return isSphereViewable( _sphere ); + } - } + // Setup depth and stencil buffers - function isSphereViewable( sphere ) { + if ( renderTarget.depthBuffer ) { - if ( ! _frustum.intersectsSphere( sphere ) ) return false; + setupDepthRenderbuffer( renderTarget ); - var numPlanes = _clipping.numPlanes; + } - if ( numPlanes === 0 ) return true; + } - var planes = _this.clippingPlanes, + function updateRenderTargetMipmap( renderTarget ) { - center = sphere.center, - negRad = - sphere.radius, - i = 0; + var texture = renderTarget.texture; - do { + if ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) && + texture.minFilter !== NearestFilter && + texture.minFilter !== LinearFilter ) { - // out when deeper than radius in the negative halfspace - if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; + var target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; + var webglTexture = properties.get( texture ).__webglTexture; - } while ( ++ i !== numPlanes ); + state.bindTexture( target, webglTexture ); + _gl.generateMipmap( target ); + state.bindTexture( target, null ); - return true; + } } - function projectObject( object, camera ) { - - if ( object.visible === false ) return; + this.setTexture2D = setTexture2D; + this.setTextureCube = setTextureCube; + this.setTextureCubeDynamic = setTextureCubeDynamic; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; - var visible = ( object.layers.mask & camera.layers.mask ) !== 0; + } - if ( visible ) { + /** + * @author fordacious / fordacious.github.io + */ - if ( object.isLight ) { + function WebGLProperties() { - lights.push( object ); + var properties = {}; - } else if ( object.isSprite ) { + return { - if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { + get: function ( object ) { - sprites.push( object ); + var uuid = object.uuid; + var map = properties[ uuid ]; - } + if ( map === undefined ) { - } else if ( object.isLensFlare ) { + map = {}; + properties[ uuid ] = map; - lensFlares.push( object ); + } - } else if ( object.isImmediateRenderObject ) { + return map; - if ( _this.sortObjects === true ) { + }, - _vector3.setFromMatrixPosition( object.matrixWorld ); - _vector3.applyProjection( _projScreenMatrix ); + delete: function ( object ) { - } + delete properties[ object.uuid ]; - pushRenderItem( object, null, object.material, _vector3.z, null ); + }, - } else if ( object.isMesh || object.isLine || object.isPoints ) { + clear: function () { - if ( object.isSkinnedMesh ) { + properties = {}; - object.skeleton.update(); + } - } + }; - if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { + } - var material = object.material; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( material.visible === true ) { + function WebGLState( gl, extensions, paramThreeToGL ) { - if ( _this.sortObjects === true ) { + function ColorBuffer() { - _vector3.setFromMatrixPosition( object.matrixWorld ); - _vector3.applyProjection( _projScreenMatrix ); + var locked = false; - } + var color = new Vector4(); + var currentColorMask = null; + var currentColorClear = new Vector4(); - var geometry = objects.update( object ); + return { - if ( material.isMultiMaterial ) { + setMask: function ( colorMask ) { - var groups = geometry.groups; - var materials = material.materials; + if ( currentColorMask !== colorMask && ! locked ) { - for ( var i = 0, l = groups.length; i < l; i ++ ) { + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; - var group = groups[ i ]; - var groupMaterial = materials[ group.materialIndex ]; + } - if ( groupMaterial.visible === true ) { + }, - pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); + setLocked: function ( lock ) { - } + locked = lock; - } + }, - } else { + setClear: function ( r, g, b, a ) { - pushRenderItem( object, geometry, material, _vector3.z, null ); + color.set( r, g, b, a ); - } + if ( currentColorClear.equals( color ) === false ) { - } + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); } - } + }, - } + reset: function () { - var children = object.children; + locked = false; - for ( var i = 0, l = children.length; i < l; i ++ ) { + currentColorMask = null; + currentColorClear.set( 0, 0, 0, 1 ); - projectObject( children[ i ], camera ); + } - } + }; } - function renderObjects( renderList, scene, camera, overrideMaterial ) { + function DepthBuffer() { - for ( var i = 0, l = renderList.length; i < l; i ++ ) { + var locked = false; - var renderItem = renderList[ i ]; + var currentDepthMask = null; + var currentDepthFunc = null; + var currentDepthClear = null; - var object = renderItem.object; - var geometry = renderItem.geometry; - var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; - var group = renderItem.group; + return { - object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); - object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + setTest: function ( depthTest ) { - object.onBeforeRender( _this, scene, camera, geometry, material, group ); + if ( depthTest ) { - if ( object.isImmediateRenderObject ) { + enable( gl.DEPTH_TEST ); - setMaterial( material ); + } else { - var program = setProgram( camera, scene.fog, material, object ); + disable( gl.DEPTH_TEST ); - _currentGeometryProgram = ''; + } - object.render( function ( object ) { + }, - _this.renderBufferImmediate( object, program, material ); + setMask: function ( depthMask ) { - } ); + if ( currentDepthMask !== depthMask && ! locked ) { - } else { + gl.depthMask( depthMask ); + currentDepthMask = depthMask; - _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); + } - } + }, - object.onAfterRender( _this, scene, camera, geometry, material, group ); + setFunc: function ( depthFunc ) { + if ( currentDepthFunc !== depthFunc ) { - } + if ( depthFunc ) { - } + switch ( depthFunc ) { - function initMaterial( material, fog, object ) { + case NeverDepth: - var materialProperties = properties.get( material ); + gl.depthFunc( gl.NEVER ); + break; - var parameters = programCache.getParameters( - material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); + case AlwaysDepth: - var code = programCache.getProgramCode( material, parameters ); + gl.depthFunc( gl.ALWAYS ); + break; - var program = materialProperties.program; - var programChange = true; + case LessDepth: - if ( program === undefined ) { + gl.depthFunc( gl.LESS ); + break; - // new material - material.addEventListener( 'dispose', onMaterialDispose ); + case LessEqualDepth: - } else if ( program.code !== code ) { + gl.depthFunc( gl.LEQUAL ); + break; - // changed glsl or parameters - releaseMaterialProgramReference( material ); + case EqualDepth: - } else if ( parameters.shaderID !== undefined ) { + gl.depthFunc( gl.EQUAL ); + break; - // same glsl and uniform list - return; + case GreaterEqualDepth: - } else { + gl.depthFunc( gl.GEQUAL ); + break; - // only rebuild uniform list - programChange = false; + case GreaterDepth: - } + gl.depthFunc( gl.GREATER ); + break; - if ( programChange ) { + case NotEqualDepth: - if ( parameters.shaderID ) { + gl.depthFunc( gl.NOTEQUAL ); + break; - var shader = ShaderLib[ parameters.shaderID ]; + default: - materialProperties.__webglShader = { - name: material.type, - uniforms: UniformsUtils.clone( shader.uniforms ), - vertexShader: shader.vertexShader, - fragmentShader: shader.fragmentShader - }; + gl.depthFunc( gl.LEQUAL ); - } else { + } - materialProperties.__webglShader = { - name: material.type, - uniforms: material.uniforms, - vertexShader: material.vertexShader, - fragmentShader: material.fragmentShader - }; + } else { - } + gl.depthFunc( gl.LEQUAL ); - material.__webglShader = materialProperties.__webglShader; + } - program = programCache.acquireProgram( material, parameters, code ); + currentDepthFunc = depthFunc; - materialProperties.program = program; - material.program = program; + } - } + }, - var attributes = program.getAttributes(); + setLocked: function ( lock ) { - if ( material.morphTargets ) { + locked = lock; - material.numSupportedMorphTargets = 0; + }, - for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { + setClear: function ( depth ) { - if ( attributes[ 'morphTarget' + i ] >= 0 ) { + if ( currentDepthClear !== depth ) { - material.numSupportedMorphTargets ++; + gl.clearDepth( depth ); + currentDepthClear = depth; } - } - - } - - if ( material.morphNormals ) { - - material.numSupportedMorphNormals = 0; - - for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { + }, - if ( attributes[ 'morphNormal' + i ] >= 0 ) { + reset: function () { - material.numSupportedMorphNormals ++; + locked = false; - } + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; } - } - - var uniforms = materialProperties.__webglShader.uniforms; + }; - if ( ! material.isShaderMaterial && - ! material.isRawShaderMaterial || - material.clipping === true ) { + } - materialProperties.numClippingPlanes = _clipping.numPlanes; - materialProperties.numIntersection = _clipping.numIntersection; - uniforms.clippingPlanes = _clipping.uniform; + function StencilBuffer() { - } + var locked = false; - materialProperties.fog = fog; + var currentStencilMask = null; + var currentStencilFunc = null; + var currentStencilRef = null; + var currentStencilFuncMask = null; + var currentStencilFail = null; + var currentStencilZFail = null; + var currentStencilZPass = null; + var currentStencilClear = null; - // store the light setup it was created for + return { - materialProperties.lightsHash = _lights.hash; + setTest: function ( stencilTest ) { - if ( material.lights ) { + if ( stencilTest ) { - // wire up the material to this renderer's lighting state + enable( gl.STENCIL_TEST ); - uniforms.ambientLightColor.value = _lights.ambient; - uniforms.directionalLights.value = _lights.directional; - uniforms.spotLights.value = _lights.spot; - uniforms.pointLights.value = _lights.point; - uniforms.hemisphereLights.value = _lights.hemi; + } else { - uniforms.directionalShadowMap.value = _lights.directionalShadowMap; - uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; - uniforms.spotShadowMap.value = _lights.spotShadowMap; - uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; - uniforms.pointShadowMap.value = _lights.pointShadowMap; - uniforms.pointShadowMatrix.value = _lights.pointShadowMatrix; + disable( gl.STENCIL_TEST ); - } + } - var progUniforms = materialProperties.program.getUniforms(), - uniformsList = - WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); + }, - materialProperties.uniformsList = uniformsList; + setMask: function ( stencilMask ) { - } + if ( currentStencilMask !== stencilMask && ! locked ) { - function setMaterial( material ) { + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; - material.side === DoubleSide - ? state.disable( _gl.CULL_FACE ) - : state.enable( _gl.CULL_FACE ); + } - state.setFlipSided( material.side === BackSide ); + }, - material.transparent === true - ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) - : state.setBlending( NoBlending ); + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { - state.setDepthFunc( material.depthFunc ); - state.setDepthTest( material.depthTest ); - state.setDepthWrite( material.depthWrite ); - state.setColorWrite( material.colorWrite ); - state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { - } + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); - function setProgram( camera, fog, material, object ) { + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; - _usedTextureUnits = 0; + } - var materialProperties = properties.get( material ); + }, - if ( _clippingEnabled ) { + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { - if ( _localClippingEnabled || camera !== _currentCamera ) { + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { - var useCache = - camera === _currentCamera && - material.id === _currentMaterialId; + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); - // we might want to call this function with some ClippingGroup - // object instead of the material, once it becomes feasible - // (#8465, #8379) - _clipping.setState( - material.clippingPlanes, material.clipIntersection, material.clipShadows, - camera, materialProperties, useCache ); + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; - } + } - } + }, - if ( material.needsUpdate === false ) { + setLocked: function ( lock ) { - if ( materialProperties.program === undefined ) { + locked = lock; - material.needsUpdate = true; + }, - } else if ( material.fog && materialProperties.fog !== fog ) { + setClear: function ( stencil ) { - material.needsUpdate = true; + if ( currentStencilClear !== stencil ) { - } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { + gl.clearStencil( stencil ); + currentStencilClear = stencil; - material.needsUpdate = true; + } - } else if ( materialProperties.numClippingPlanes !== undefined && - ( materialProperties.numClippingPlanes !== _clipping.numPlanes || - materialProperties.numIntersection !== _clipping.numIntersection ) ) { + }, - material.needsUpdate = true; + reset: function () { - } + locked = false; - } + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; - if ( material.needsUpdate ) { + } - initMaterial( material, fog, object ); - material.needsUpdate = false; + }; - } + } - var refreshProgram = false; - var refreshMaterial = false; - var refreshLights = false; + // - var program = materialProperties.program, - p_uniforms = program.getUniforms(), - m_uniforms = materialProperties.__webglShader.uniforms; + var colorBuffer = new ColorBuffer(); + var depthBuffer = new DepthBuffer(); + var stencilBuffer = new StencilBuffer(); - if ( program.id !== _currentProgram ) { + var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var newAttributes = new Uint8Array( maxVertexAttributes ); + var enabledAttributes = new Uint8Array( maxVertexAttributes ); + var attributeDivisors = new Uint8Array( maxVertexAttributes ); - _gl.useProgram( program.program ); - _currentProgram = program.id; + var capabilities = {}; - refreshProgram = true; - refreshMaterial = true; - refreshLights = true; + var compressedTextureFormats = null; - } + var currentBlending = null; + var currentBlendEquation = null; + var currentBlendSrc = null; + var currentBlendDst = null; + var currentBlendEquationAlpha = null; + var currentBlendSrcAlpha = null; + var currentBlendDstAlpha = null; + var currentPremultipledAlpha = false; - if ( material.id !== _currentMaterialId ) { + var currentFlipSided = null; + var currentCullFace = null; - _currentMaterialId = material.id; + var currentLineWidth = null; - refreshMaterial = true; + var currentPolygonOffsetFactor = null; + var currentPolygonOffsetUnits = null; - } + var currentScissorTest = null; - if ( refreshProgram || camera !== _currentCamera ) { + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); - p_uniforms.set( _gl, camera, 'projectionMatrix' ); + var currentTextureSlot = null; + var currentBoundTextures = {}; - if ( capabilities.logarithmicDepthBuffer ) { + var currentScissor = new Vector4(); + var currentViewport = new Vector4(); - p_uniforms.setValue( _gl, 'logDepthBufFC', - 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + function createTexture( type, target, count ) { - } + var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. + var texture = gl.createTexture(); + gl.bindTexture( type, texture ); + gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); - if ( camera !== _currentCamera ) { + for ( var i = 0; i < count; i ++ ) { - _currentCamera = camera; + gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); - // lighting uniforms depend on the camera so enforce an update - // now, in case this material supports lights - or later, when - // the next material that does gets activated: + } - refreshMaterial = true; // set to true on material change - refreshLights = true; // remains set until update done + return texture; - } + } - // load material specific uniforms - // (shader material also gets them for the sake of genericity) + var emptyTextures = {}; + emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); + emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); - if ( material.isShaderMaterial || - material.isMeshPhongMaterial || - material.isMeshStandardMaterial || - material.envMap ) { + // - var uCamPos = p_uniforms.map.cameraPosition; + function init() { - if ( uCamPos !== undefined ) { + clearColor( 0, 0, 0, 1 ); + clearDepth( 1 ); + clearStencil( 0 ); - uCamPos.setValue( _gl, - _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + enable( gl.DEPTH_TEST ); + setDepthFunc( LessEqualDepth ); - } + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( gl.CULL_FACE ); - } + enable( gl.BLEND ); + setBlending( NormalBlending ); - if ( material.isMeshPhongMaterial || - material.isMeshLambertMaterial || - material.isMeshBasicMaterial || - material.isMeshStandardMaterial || - material.isShaderMaterial || - material.skinning ) { + } - p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + function initAttributes() { - } + for ( var i = 0, l = newAttributes.length; i < l; i ++ ) { - p_uniforms.set( _gl, _this, 'toneMappingExposure' ); - p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); + newAttributes[ i ] = 0; } - // skinning uniforms must be set even if material didn't change - // auto-setting of texture unit for bone texture must go before other textures - // not sure why, but otherwise weird things happen + } - if ( material.skinning ) { + function enableAttribute( attribute ) { - p_uniforms.setOptional( _gl, object, 'bindMatrix' ); - p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + newAttributes[ attribute ] = 1; - var skeleton = object.skeleton; + if ( enabledAttributes[ attribute ] === 0 ) { - if ( skeleton ) { + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; - if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { + } - p_uniforms.set( _gl, skeleton, 'boneTexture' ); - p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); - p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); + if ( attributeDivisors[ attribute ] !== 0 ) { - } else { + var extension = extensions.get( 'ANGLE_instanced_arrays' ); - p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); + extension.vertexAttribDivisorANGLE( attribute, 0 ); + attributeDivisors[ attribute ] = 0; - } + } - } + } - } + function enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) { - if ( refreshMaterial ) { + newAttributes[ attribute ] = 1; - if ( material.lights ) { + if ( enabledAttributes[ attribute ] === 0 ) { - // the current material requires lighting info + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; - // note: all lighting uniforms are always set correctly - // they simply reference the renderer's state for their - // values - // - // use the current material's .needsUpdate flags to set - // the GL state when required + } - markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { - } + extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; - // refresh uniforms common to several materials + } - if ( fog && material.fog ) { + } - refreshUniformsFog( m_uniforms, fog ); + function disableUnusedAttributes() { - } + for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) { - if ( material.isMeshBasicMaterial || - material.isMeshLambertMaterial || - material.isMeshPhongMaterial || - material.isMeshStandardMaterial || - material.isMeshDepthMaterial ) { + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { - refreshUniformsCommon( m_uniforms, material ); + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; } - // refresh single material specific uniforms + } - if ( material.isLineBasicMaterial ) { + } - refreshUniformsLine( m_uniforms, material ); + function enable( id ) { - } else if ( material.isLineDashedMaterial ) { + if ( capabilities[ id ] !== true ) { - refreshUniformsLine( m_uniforms, material ); - refreshUniformsDash( m_uniforms, material ); + gl.enable( id ); + capabilities[ id ] = true; - } else if ( material.isPointsMaterial ) { + } - refreshUniformsPoints( m_uniforms, material ); + } - } else if ( material.isMeshLambertMaterial ) { + function disable( id ) { - refreshUniformsLambert( m_uniforms, material ); + if ( capabilities[ id ] !== false ) { - } else if ( material.isMeshPhongMaterial ) { + gl.disable( id ); + capabilities[ id ] = false; - refreshUniformsPhong( m_uniforms, material ); + } - } else if ( material.isMeshPhysicalMaterial ) { + } - refreshUniformsPhysical( m_uniforms, material ); + function getCompressedTextureFormats() { - } else if ( material.isMeshStandardMaterial ) { + if ( compressedTextureFormats === null ) { - refreshUniformsStandard( m_uniforms, material ); + compressedTextureFormats = []; - } else if ( material.isMeshDepthMaterial ) { + if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) || + extensions.get( 'WEBGL_compressed_texture_s3tc' ) || + extensions.get( 'WEBGL_compressed_texture_etc1' ) ) { - if ( material.displacementMap ) { + var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS ); - m_uniforms.displacementMap.value = material.displacementMap; - m_uniforms.displacementScale.value = material.displacementScale; - m_uniforms.displacementBias.value = material.displacementBias; + for ( var i = 0; i < formats.length; i ++ ) { + + compressedTextureFormats.push( formats[ i ] ); } - } else if ( material.isMeshNormalMaterial ) { + } - m_uniforms.opacity.value = material.opacity; + } - } + return compressedTextureFormats; - WebGLUniforms.upload( - _gl, materialProperties.uniformsList, m_uniforms, _this ); + } - } + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + if ( blending !== NoBlending ) { - // common matrices + enable( gl.BLEND ); - p_uniforms.set( _gl, object, 'modelViewMatrix' ); - p_uniforms.set( _gl, object, 'normalMatrix' ); - p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + } else { - return program; + disable( gl.BLEND ); - } + } - // Uniforms (refresh uniforms objects) + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { - function refreshUniformsCommon( uniforms, material ) { + if ( blending === AdditiveBlending ) { - uniforms.opacity.value = material.opacity; + if ( premultipliedAlpha ) { - uniforms.diffuse.value = material.color; + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE ); - if ( material.emissive ) { + } else { - uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); - } + } - uniforms.map.value = material.map; - uniforms.specularMap.value = material.specularMap; - uniforms.alphaMap.value = material.alphaMap; + } else if ( blending === SubtractiveBlending ) { - if ( material.aoMap ) { + if ( premultipliedAlpha ) { - uniforms.aoMap.value = material.aoMap; - uniforms.aoMapIntensity.value = material.aoMapIntensity; + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA ); - } + } else { - // uv repeat and offset setting priorities - // 1. color map - // 2. specular map - // 3. normal map - // 4. bump map - // 5. alpha map - // 6. emissive map + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR ); - var uvScaleMap; + } - if ( material.map ) { + } else if ( blending === MultiplyBlending ) { - uvScaleMap = material.map; + if ( premultipliedAlpha ) { - } else if ( material.specularMap ) { + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); - uvScaleMap = material.specularMap; + } else { - } else if ( material.displacementMap ) { + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); - uvScaleMap = material.displacementMap; + } - } else if ( material.normalMap ) { + } else { - uvScaleMap = material.normalMap; + if ( premultipliedAlpha ) { - } else if ( material.bumpMap ) { + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); - uvScaleMap = material.bumpMap; + } else { - } else if ( material.roughnessMap ) { + gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD ); + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); - uvScaleMap = material.roughnessMap; + } - } else if ( material.metalnessMap ) { + } - uvScaleMap = material.metalnessMap; + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; - } else if ( material.alphaMap ) { + } - uvScaleMap = material.alphaMap; + if ( blending === CustomBlending ) { - } else if ( material.emissiveMap ) { + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; - uvScaleMap = material.emissiveMap; + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { - } + gl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) ); - if ( uvScaleMap !== undefined ) { + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; - // backwards compatibility - if ( uvScaleMap.isWebGLRenderTarget ) { + } - uvScaleMap = uvScaleMap.texture; + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + + gl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) ); + + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; } - var offset = uvScaleMap.offset; - var repeat = uvScaleMap.repeat; + } else { - uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; } - uniforms.envMap.value = material.envMap; + } - // don't flip CubeTexture envMaps, flip everything else: - // WebGLRenderTargetCube will be flipped for backwards compatibility - // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture - // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future - uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; + // TODO Deprecate - uniforms.reflectivity.value = material.reflectivity; - uniforms.refractionRatio.value = material.refractionRatio; + function setColorWrite( colorWrite ) { + + colorBuffer.setMask( colorWrite ); } - function refreshUniformsLine( uniforms, material ) { + function setDepthTest( depthTest ) { - uniforms.diffuse.value = material.color; - uniforms.opacity.value = material.opacity; + depthBuffer.setTest( depthTest ); } - function refreshUniformsDash( uniforms, material ) { + function setDepthWrite( depthWrite ) { - uniforms.dashSize.value = material.dashSize; - uniforms.totalSize.value = material.dashSize + material.gapSize; - uniforms.scale.value = material.scale; + depthBuffer.setMask( depthWrite ); } - function refreshUniformsPoints( uniforms, material ) { + function setDepthFunc( depthFunc ) { - uniforms.diffuse.value = material.color; - uniforms.opacity.value = material.opacity; - uniforms.size.value = material.size * _pixelRatio; - uniforms.scale.value = _height * 0.5; + depthBuffer.setFunc( depthFunc ); - uniforms.map.value = material.map; + } - if ( material.map !== null ) { + function setStencilTest( stencilTest ) { - var offset = material.map.offset; - var repeat = material.map.repeat; + stencilBuffer.setTest( stencilTest ); - uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); + } - } + function setStencilWrite( stencilWrite ) { + + stencilBuffer.setMask( stencilWrite ); } - function refreshUniformsFog( uniforms, fog ) { + function setStencilFunc( stencilFunc, stencilRef, stencilMask ) { - uniforms.fogColor.value = fog.color; + stencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask ); - if ( fog.isFog ) { + } - uniforms.fogNear.value = fog.near; - uniforms.fogFar.value = fog.far; + function setStencilOp( stencilFail, stencilZFail, stencilZPass ) { - } else if ( fog.isFogExp2 ) { + stencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass ); - uniforms.fogDensity.value = fog.density; + } - } + // - } + function setFlipSided( flipSided ) { - function refreshUniformsLambert( uniforms, material ) { + if ( currentFlipSided !== flipSided ) { - if ( material.lightMap ) { + if ( flipSided ) { - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + gl.frontFace( gl.CW ); - } + } else { - if ( material.emissiveMap ) { + gl.frontFace( gl.CCW ); - uniforms.emissiveMap.value = material.emissiveMap; + } + + currentFlipSided = flipSided; } } - function refreshUniformsPhong( uniforms, material ) { - - uniforms.specular.value = material.specular; - uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) - - if ( material.lightMap ) { + function setCullFace( cullFace ) { - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + if ( cullFace !== CullFaceNone ) { - } + enable( gl.CULL_FACE ); - if ( material.emissiveMap ) { + if ( cullFace !== currentCullFace ) { - uniforms.emissiveMap.value = material.emissiveMap; + if ( cullFace === CullFaceBack ) { - } + gl.cullFace( gl.BACK ); - if ( material.bumpMap ) { + } else if ( cullFace === CullFaceFront ) { - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; + gl.cullFace( gl.FRONT ); - } + } else { - if ( material.normalMap ) { + gl.cullFace( gl.FRONT_AND_BACK ); - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); + } - } + } - if ( material.displacementMap ) { + } else { - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; + disable( gl.CULL_FACE ); } + currentCullFace = cullFace; + } - function refreshUniformsStandard( uniforms, material ) { + function setLineWidth( width ) { - uniforms.roughness.value = material.roughness; - uniforms.metalness.value = material.metalness; + if ( width !== currentLineWidth ) { - if ( material.roughnessMap ) { + gl.lineWidth( width ); - uniforms.roughnessMap.value = material.roughnessMap; + currentLineWidth = width; } - if ( material.metalnessMap ) { - - uniforms.metalnessMap.value = material.metalnessMap; + } - } + function setPolygonOffset( polygonOffset, factor, units ) { - if ( material.lightMap ) { + if ( polygonOffset ) { - uniforms.lightMap.value = material.lightMap; - uniforms.lightMapIntensity.value = material.lightMapIntensity; + enable( gl.POLYGON_OFFSET_FILL ); - } + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { - if ( material.emissiveMap ) { + gl.polygonOffset( factor, units ); - uniforms.emissiveMap.value = material.emissiveMap; + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; - } + } - if ( material.bumpMap ) { + } else { - uniforms.bumpMap.value = material.bumpMap; - uniforms.bumpScale.value = material.bumpScale; + disable( gl.POLYGON_OFFSET_FILL ); } - if ( material.normalMap ) { + } - uniforms.normalMap.value = material.normalMap; - uniforms.normalScale.value.copy( material.normalScale ); + function getScissorTest() { - } + return currentScissorTest; - if ( material.displacementMap ) { + } - uniforms.displacementMap.value = material.displacementMap; - uniforms.displacementScale.value = material.displacementScale; - uniforms.displacementBias.value = material.displacementBias; + function setScissorTest( scissorTest ) { - } + currentScissorTest = scissorTest; - if ( material.envMap ) { + if ( scissorTest ) { - //uniforms.envMap.value = material.envMap; // part of uniforms common - uniforms.envMapIntensity.value = material.envMapIntensity; + enable( gl.SCISSOR_TEST ); + + } else { + + disable( gl.SCISSOR_TEST ); } } - function refreshUniformsPhysical( uniforms, material ) { + // texture - uniforms.clearCoat.value = material.clearCoat; - uniforms.clearCoatRoughness.value = material.clearCoatRoughness; + function activeTexture( webglSlot ) { - refreshUniformsStandard( uniforms, material ); - - } - - // If uniforms are marked as clean, they don't need to be loaded to the GPU. + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; - function markUniformsLightsNeedsUpdate( uniforms, value ) { + if ( currentTextureSlot !== webglSlot ) { - uniforms.ambientLightColor.needsUpdate = value; + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; - uniforms.directionalLights.needsUpdate = value; - uniforms.pointLights.needsUpdate = value; - uniforms.spotLights.needsUpdate = value; - uniforms.hemisphereLights.needsUpdate = value; + } } - // Lighting - - function setupShadows( lights ) { + function bindTexture( webglType, webglTexture ) { - var lightShadowsLength = 0; + if ( currentTextureSlot === null ) { - for ( var i = 0, l = lights.length; i < l; i ++ ) { + activeTexture(); - var light = lights[ i ]; + } - if ( light.castShadow ) { + var boundTexture = currentBoundTextures[ currentTextureSlot ]; - _lights.shadows[ lightShadowsLength ++ ] = light; + if ( boundTexture === undefined ) { - } + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ currentTextureSlot ] = boundTexture; } - _lights.shadows.length = lightShadowsLength; - - } - - function setupLights( lights, camera ) { + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { - var l, ll, light, - r = 0, g = 0, b = 0, - color, - intensity, - distance, - shadowMap, + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); - viewMatrix = camera.matrixWorldInverse, + boundTexture.type = webglType; + boundTexture.texture = webglTexture; - directionalLength = 0, - pointLength = 0, - spotLength = 0, - hemiLength = 0; + } - for ( l = 0, ll = lights.length; l < ll; l ++ ) { + } - light = lights[ l ]; + function compressedTexImage2D() { - color = light.color; - intensity = light.intensity; - distance = light.distance; + try { - shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + gl.compressedTexImage2D.apply( gl, arguments ); - if ( light.isAmbientLight ) { + } catch ( error ) { - r += color.r * intensity; - g += color.g * intensity; - b += color.b * intensity; + console.error( error ); - } else if ( light.isDirectionalLight ) { + } - var uniforms = lightCache.get( light ); + } - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - _vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( _vector3 ); - uniforms.direction.transformDirection( viewMatrix ); + function texImage2D() { - uniforms.shadow = light.castShadow; + try { - if ( light.castShadow ) { + gl.texImage2D.apply( gl, arguments ); - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + } catch ( error ) { - } + console.error( error ); - _lights.directionalShadowMap[ directionalLength ] = shadowMap; - _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; - _lights.directional[ directionalLength ++ ] = uniforms; + } - } else if ( light.isSpotLight ) { + } - var uniforms = lightCache.get( light ); + // TODO Deprecate - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); + function clearColor( r, g, b, a ) { - uniforms.color.copy( color ).multiplyScalar( intensity ); - uniforms.distance = distance; + colorBuffer.setClear( r, g, b, a ); - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - _vector3.setFromMatrixPosition( light.target.matrixWorld ); - uniforms.direction.sub( _vector3 ); - uniforms.direction.transformDirection( viewMatrix ); + } - uniforms.coneCos = Math.cos( light.angle ); - uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); - uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + function clearDepth( depth ) { - uniforms.shadow = light.castShadow; + depthBuffer.setClear( depth ); - if ( light.castShadow ) { + } - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + function clearStencil( stencil ) { - } + stencilBuffer.setClear( stencil ); - _lights.spotShadowMap[ spotLength ] = shadowMap; - _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; - _lights.spot[ spotLength ++ ] = uniforms; + } - } else if ( light.isPointLight ) { + // - var uniforms = lightCache.get( light ); + function scissor( scissor ) { - uniforms.position.setFromMatrixPosition( light.matrixWorld ); - uniforms.position.applyMatrix4( viewMatrix ); + if ( currentScissor.equals( scissor ) === false ) { - uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); - uniforms.distance = light.distance; - uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); - uniforms.shadow = light.castShadow; + } - if ( light.castShadow ) { + } - uniforms.shadowBias = light.shadow.bias; - uniforms.shadowRadius = light.shadow.radius; - uniforms.shadowMapSize = light.shadow.mapSize; + function viewport( viewport ) { - } + if ( currentViewport.equals( viewport ) === false ) { - _lights.pointShadowMap[ pointLength ] = shadowMap; + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); - if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { + } - _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); + } - } + // - // for point lights we set the shadow matrix to be a translation-only matrix - // equal to inverse of the light's position - _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); - _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); + function reset() { - _lights.point[ pointLength ++ ] = uniforms; + for ( var i = 0; i < enabledAttributes.length; i ++ ) { - } else if ( light.isHemisphereLight ) { + if ( enabledAttributes[ i ] === 1 ) { - var uniforms = lightCache.get( light ); + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; - uniforms.direction.setFromMatrixPosition( light.matrixWorld ); - uniforms.direction.transformDirection( viewMatrix ); - uniforms.direction.normalize(); + } - uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); - uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + } - _lights.hemi[ hemiLength ++ ] = uniforms; + capabilities = {}; - } + compressedTextureFormats = null; - } + currentTextureSlot = null; + currentBoundTextures = {}; - _lights.ambient[ 0 ] = r; - _lights.ambient[ 1 ] = g; - _lights.ambient[ 2 ] = b; + currentBlending = null; - _lights.directional.length = directionalLength; - _lights.spot.length = spotLength; - _lights.point.length = pointLength; - _lights.hemi.length = hemiLength; + currentFlipSided = null; + currentCullFace = null; - _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length; + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); } - // GL state setting + return { - this.setFaceCulling = function ( cullFace, frontFaceDirection ) { + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, - state.setCullFace( cullFace ); - state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); + init: init, + initAttributes: initAttributes, + enableAttribute: enableAttribute, + enableAttributeAndDivisor: enableAttributeAndDivisor, + disableUnusedAttributes: disableUnusedAttributes, + enable: enable, + disable: disable, + getCompressedTextureFormats: getCompressedTextureFormats, - }; + setBlending: setBlending, - // Textures + setColorWrite: setColorWrite, + setDepthTest: setDepthTest, + setDepthWrite: setDepthWrite, + setDepthFunc: setDepthFunc, + setStencilTest: setStencilTest, + setStencilWrite: setStencilWrite, + setStencilFunc: setStencilFunc, + setStencilOp: setStencilOp, - function allocTextureUnit() { + setFlipSided: setFlipSided, + setCullFace: setCullFace, - var textureUnit = _usedTextureUnits; + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, - if ( textureUnit >= capabilities.maxTextures ) { + getScissorTest: getScissorTest, + setScissorTest: setScissorTest, - console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); + activeTexture: activeTexture, + bindTexture: bindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, - } + clearColor: clearColor, + clearDepth: clearDepth, + clearStencil: clearStencil, - _usedTextureUnits += 1; + scissor: scissor, + viewport: viewport, - return textureUnit; + reset: reset - } + }; - this.allocTextureUnit = allocTextureUnit; + } - // this.setTexture2D = setTexture2D; - this.setTexture2D = ( function() { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var warned = false; + function WebGLCapabilities( gl, extensions, parameters ) { - // backwards compatibility: peel texture.texture - return function setTexture2D( texture, slot ) { + var maxAnisotropy; - if ( texture && texture.isWebGLRenderTarget ) { + function getMaxAnisotropy() { - if ( ! warned ) { + if ( maxAnisotropy !== undefined ) return maxAnisotropy; - console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); - warned = true; + var extension = extensions.get( 'EXT_texture_filter_anisotropic' ); - } + if ( extension !== null ) { - texture = texture.texture; + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); - } + } else { - textures.setTexture2D( texture, slot ); + maxAnisotropy = 0; - }; + } - }() ); + return maxAnisotropy; - this.setTexture = ( function() { + } - var warned = false; + function getMaxPrecision( precision ) { - return function setTexture( texture, slot ) { + if ( precision === 'highp' ) { - if ( ! warned ) { + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { - console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); - warned = true; + return 'highp'; } - textures.setTexture2D( texture, slot ); + precision = 'mediump'; - }; + } - }() ); + if ( precision === 'mediump' ) { - this.setTextureCube = ( function() { + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { - var warned = false; + return 'mediump'; - return function setTextureCube( texture, slot ) { + } - // backwards compatibility: peel texture.texture - if ( texture && texture.isWebGLRenderTargetCube ) { + } - if ( ! warned ) { + return 'lowp'; - console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); - warned = true; + } - } + var precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + var maxPrecision = getMaxPrecision( precision ); - texture = texture.texture; + if ( maxPrecision !== precision ) { - } + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; - // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture - // TODO: unify these code paths - if ( ( texture && texture.isCubeTexture ) || - ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { + } - // CompressedTexture can have Array in image :/ + var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' ); - // this function alone should take care of cube textures - textures.setTextureCube( texture, slot ); + var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); + var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); + var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); - } else { + var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); + var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); + var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); - // assumed: texture property of THREE.WebGLRenderTargetCube + var vertexTextures = maxVertexTextures > 0; + var floatFragmentTextures = !! extensions.get( 'OES_texture_float' ); + var floatVertexTextures = vertexTextures && floatFragmentTextures; - textures.setTextureCubeDynamic( texture, slot ); + return { - } + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, - }; + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, - }() ); + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, - this.getCurrentRenderTarget = function() { + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, - return _currentRenderTarget; + vertexTextures: vertexTextures, + floatFragmentTextures: floatFragmentTextures, + floatVertexTextures: floatVertexTextures }; - this.setRenderTarget = function ( renderTarget ) { - - _currentRenderTarget = renderTarget; - - if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { - - textures.setupRenderTarget( renderTarget ); - - } + } - var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); - var framebuffer; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( renderTarget ) { + function WebGLExtensions( gl ) { - var renderTargetProperties = properties.get( renderTarget ); + var extensions = {}; - if ( isCube ) { + return { - framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; + get: function ( name ) { - } else { + if ( extensions[ name ] !== undefined ) { - framebuffer = renderTargetProperties.__webglFramebuffer; + return extensions[ name ]; } - _currentScissor.copy( renderTarget.scissor ); - _currentScissorTest = renderTarget.scissorTest; + var extension; - _currentViewport.copy( renderTarget.viewport ); + switch ( name ) { - } else { + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; - framebuffer = null; + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; - _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); - _currentScissorTest = _scissorTest; + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; - _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; - } + case 'WEBGL_compressed_texture_etc1': + extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' ); + break; - if ( _currentFramebuffer !== framebuffer ) { + default: + extension = gl.getExtension( name ); - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - _currentFramebuffer = framebuffer; + } - } + if ( extension === null ) { - state.scissor( _currentScissor ); - state.setScissorTest( _currentScissorTest ); + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); - state.viewport( _currentViewport ); + } - if ( isCube ) { + extensions[ name ] = extension; - var textureProperties = properties.get( renderTarget.texture ); - _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); + return extension; } }; - this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { - - if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { + } - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); - return; + /** + * @author tschw + */ - } + function WebGLClipping() { - var framebuffer = properties.get( renderTarget ).__webglFramebuffer; + var scope = this, - if ( framebuffer ) { + globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false, - var restore = false; + plane = new Plane(), + viewNormalMatrix = new Matrix3(), - if ( framebuffer !== _currentFramebuffer ) { + uniform = { value: null, needsUpdate: false }; - _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; - restore = true; + this.init = function( planes, enableLocalClipping, camera ) { - } + var enabled = + planes.length !== 0 || + enableLocalClipping || + // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || + localClippingEnabled; - try { + localClippingEnabled = enableLocalClipping; - var texture = renderTarget.texture; - var textureFormat = texture.format; - var textureType = texture.type; + globalState = projectPlanes( planes, camera, 0 ); + numGlobalPlanes = planes.length; - if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { + return enabled; - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); - return; + }; - } + this.beginShadows = function() { - if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) - ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox - ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) { + renderingShadows = true; + projectPlanes( null ); - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); - return; + }; - } + this.endShadows = function() { - if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { + renderingShadows = false; + resetGlobalState(); - // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + }; - if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + this.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) { - _gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); + if ( ! localClippingEnabled || + planes === null || planes.length === 0 || + renderingShadows && ! clipShadows ) { + // there's no local clipping - } - - } else { - - console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); - - } - - } finally { - - if ( restore ) { + if ( renderingShadows ) { + // there's no global clipping - _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); + projectPlanes( null ); - } + } else { + resetGlobalState(); } - } - - }; - - // Map three.js constants to WebGL constants - - function paramThreeToGL( p ) { - - var extension; + } else { - if ( p === RepeatWrapping ) return _gl.REPEAT; - if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; - if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; + var nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4, - if ( p === NearestFilter ) return _gl.NEAREST; - if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; - if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; + dstArray = cache.clippingState || null; - if ( p === LinearFilter ) return _gl.LINEAR; - if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; - if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; + uniform.value = dstArray; // ensure unique state - if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; - if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; - if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; - if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; + dstArray = projectPlanes( planes, camera, lGlobal, fromCache ); - if ( p === ByteType ) return _gl.BYTE; - if ( p === ShortType ) return _gl.SHORT; - if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; - if ( p === IntType ) return _gl.INT; - if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; - if ( p === FloatType ) return _gl.FLOAT; + for ( var i = 0; i !== lGlobal; ++ i ) { - if ( p === HalfFloatType ) { + dstArray[ i ] = globalState[ i ]; - extension = extensions.get( 'OES_texture_half_float' ); + } - if ( extension !== null ) return extension.HALF_FLOAT_OES; + cache.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; } - if ( p === AlphaFormat ) return _gl.ALPHA; - if ( p === RGBFormat ) return _gl.RGB; - if ( p === RGBAFormat ) return _gl.RGBA; - if ( p === LuminanceFormat ) return _gl.LUMINANCE; - if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; - if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; - if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; - - if ( p === AddEquation ) return _gl.FUNC_ADD; - if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; - if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; - - if ( p === ZeroFactor ) return _gl.ZERO; - if ( p === OneFactor ) return _gl.ONE; - if ( p === SrcColorFactor ) return _gl.SRC_COLOR; - if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; - if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; - if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; - if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; - if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; - - if ( p === DstColorFactor ) return _gl.DST_COLOR; - if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; - if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; - - if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || - p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { - extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + }; - if ( extension !== null ) { + function resetGlobalState() { - if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; - if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; - if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + if ( uniform.value !== globalState ) { - } + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; } - if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || - p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { - - extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; - if ( extension !== null ) { + } - if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; - if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; - if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; - if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + function projectPlanes( planes, camera, dstOffset, skipTransform ) { - } + var nPlanes = planes !== null ? planes.length : 0, + dstArray = null; - } + if ( nPlanes !== 0 ) { - if ( p === RGB_ETC1_Format ) { + dstArray = uniform.value; - extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + if ( skipTransform !== true || dstArray === null ) { - if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; + var flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; - } + viewNormalMatrix.getNormalMatrix( viewMatrix ); - if ( p === MinEquation || p === MaxEquation ) { + if ( dstArray === null || dstArray.length < flatSize ) { - extension = extensions.get( 'EXT_blend_minmax' ); + dstArray = new Float32Array( flatSize ); - if ( extension !== null ) { + } - if ( p === MinEquation ) return extension.MIN_EXT; - if ( p === MaxEquation ) return extension.MAX_EXT; + for ( var i = 0, i4 = dstOffset; + i !== nPlanes; ++ i, i4 += 4 ) { - } + plane.copy( planes[ i ] ). + applyMatrix4( viewMatrix, viewNormalMatrix ); - } + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; - if ( p === UnsignedInt248Type ) { + } - extension = extensions.get( 'WEBGL_depth_texture' ); + } - if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; + uniform.value = dstArray; + uniform.needsUpdate = true; } - return 0; + scope.numPlanes = nPlanes; + + return dstArray; } } /** + * @author supereggbert / http://www.paulbrunt.co.uk/ * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ + * @author szimek / https://github.com/szimek/ + * @author tschw */ - function FogExp2 ( color, density ) { - - this.name = ''; - - this.color = new Color( color ); - this.density = ( density !== undefined ) ? density : 0.00025; + function WebGLRenderer( parameters ) { - } + console.log( 'THREE.WebGLRenderer', REVISION ); - FogExp2.prototype.isFogExp2 = true; + parameters = parameters || {}; - FogExp2.prototype.clone = function () { + var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ), + _context = parameters.context !== undefined ? parameters.context : null, - return new FogExp2( this.color.getHex(), this.density ); + _alpha = parameters.alpha !== undefined ? parameters.alpha : false, + _depth = parameters.depth !== undefined ? parameters.depth : true, + _stencil = parameters.stencil !== undefined ? parameters.stencil : true, + _antialias = parameters.antialias !== undefined ? parameters.antialias : false, + _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, + _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false; - }; + var lights = []; - FogExp2.prototype.toJSON = function ( meta ) { + var opaqueObjects = []; + var opaqueObjectsLastIndex = - 1; + var transparentObjects = []; + var transparentObjectsLastIndex = - 1; - return { - type: 'FogExp2', - color: this.color.getHex(), - density: this.density - }; + var morphInfluences = new Float32Array( 8 ); - }; + var sprites = []; + var lensFlares = []; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + // public properties - function Fog ( color, near, far ) { + this.domElement = _canvas; + this.context = null; - this.name = ''; + // clearing - this.color = new Color( color ); + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; - this.near = ( near !== undefined ) ? near : 1; - this.far = ( far !== undefined ) ? far : 1000; + // scene graph - } + this.sortObjects = true; - Fog.prototype.isFog = true; + // user-defined clipping - Fog.prototype.clone = function () { + this.clippingPlanes = []; + this.localClippingEnabled = false; - return new Fog( this.color.getHex(), this.near, this.far ); + // physically based shading - }; + this.gammaFactor = 2.0; // for backwards compatibility + this.gammaInput = false; + this.gammaOutput = false; - Fog.prototype.toJSON = function ( meta ) { + // physical lights - return { - type: 'Fog', - color: this.color.getHex(), - near: this.near, - far: this.far - }; + this.physicallyCorrectLights = false; - }; + // tone mapping - /** - * @author mrdoob / http://mrdoob.com/ - */ + this.toneMapping = LinearToneMapping; + this.toneMappingExposure = 1.0; + this.toneMappingWhitePoint = 1.0; - function Scene () { + // morphs - Object3D.call( this ); + this.maxMorphTargets = 8; + this.maxMorphNormals = 4; - this.type = 'Scene'; + // internal properties - this.background = null; - this.fog = null; - this.overrideMaterial = null; + var _this = this, - this.autoUpdate = true; // checked by the renderer + // internal state cache - } + _currentProgram = null, + _currentRenderTarget = null, + _currentFramebuffer = null, + _currentMaterialId = - 1, + _currentGeometryProgram = '', + _currentCamera = null, - Scene.prototype = Object.create( Object3D.prototype ); + _currentScissor = new Vector4(), + _currentScissorTest = null, - Scene.prototype.constructor = Scene; + _currentViewport = new Vector4(), - Scene.prototype.copy = function ( source, recursive ) { + // - Object3D.prototype.copy.call( this, source, recursive ); + _usedTextureUnits = 0, - if ( source.background !== null ) this.background = source.background.clone(); - if ( source.fog !== null ) this.fog = source.fog.clone(); - if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + // - this.autoUpdate = source.autoUpdate; - this.matrixAutoUpdate = source.matrixAutoUpdate; + _clearColor = new Color( 0x000000 ), + _clearAlpha = 0, - return this; + _width = _canvas.width, + _height = _canvas.height, - }; + _pixelRatio = 1, - Scene.prototype.toJSON = function ( meta ) { + _scissor = new Vector4( 0, 0, _width, _height ), + _scissorTest = false, - var data = Object3D.prototype.toJSON.call( this, meta ); + _viewport = new Vector4( 0, 0, _width, _height ), - if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); - if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + // frustum - return data; + _frustum = new Frustum(), - }; + // clipping - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + _clipping = new WebGLClipping(), + _clippingEnabled = false, + _localClippingEnabled = false, - function LensFlare( texture, size, distance, blending, color ) { + _sphere = new Sphere(), - Object3D.call( this ); + // camera matrices cache - this.lensFlares = []; + _projScreenMatrix = new Matrix4(), - this.positionScreen = new Vector3(); - this.customUpdateCallback = undefined; + _vector3 = new Vector3(), - if ( texture !== undefined ) { + // light arrays cache - this.add( texture, size, distance, blending, color ); + _lights = { - } + hash: '', - } + ambient: [ 0, 0, 0 ], + directional: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadowMap: [], + spotShadowMatrix: [], + point: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], - LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), { + shadows: [] - constructor: LensFlare, + }, - isLensFlare: true, + // info - copy: function ( source ) { + _infoRender = { - Object3D.prototype.copy.call( this, source ); + calls: 0, + vertices: 0, + faces: 0, + points: 0 - this.positionScreen.copy( source.positionScreen ); - this.customUpdateCallback = source.customUpdateCallback; + }; - for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) { + this.info = { - this.lensFlares.push( source.lensFlares[ i ] ); + render: _infoRender, + memory: { - } + geometries: 0, + textures: 0 - return this; + }, + programs: null - }, + }; - add: function ( texture, size, distance, blending, color, opacity ) { - if ( size === undefined ) size = - 1; - if ( distance === undefined ) distance = 0; - if ( opacity === undefined ) opacity = 1; - if ( color === undefined ) color = new Color( 0xffffff ); - if ( blending === undefined ) blending = NormalBlending; + // initialize - distance = Math.min( distance, Math.max( 0, distance ) ); + var _gl; - this.lensFlares.push( { - texture: texture, // THREE.Texture - size: size, // size in pixels (-1 = use texture.width) - distance: distance, // distance (0-1) from light source (0=at light source) - x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back - scale: 1, // scale - rotation: 0, // rotation - opacity: opacity, // opacity - color: color, // color - blending: blending // blending - } ); + try { - }, + var attributes = { + alpha: _alpha, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer + }; - /* - * Update lens flares update positions on all flares based on the screen position - * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way. - */ + _gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes ); - updateLensFlares: function () { + if ( _gl === null ) { - var f, fl = this.lensFlares.length; - var flare; - var vecX = - this.positionScreen.x * 2; - var vecY = - this.positionScreen.y * 2; + if ( _canvas.getContext( 'webgl' ) !== null ) { - for ( f = 0; f < fl; f ++ ) { + throw 'Error creating WebGL context with your selected attributes.'; - flare = this.lensFlares[ f ]; + } else { - flare.x = this.positionScreen.x + vecX * flare.distance; - flare.y = this.positionScreen.y + vecY * flare.distance; + throw 'Error creating WebGL context.'; - flare.wantedRotation = flare.x * Math.PI * 0.25; - flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25; + } } - } + // Some experimental-webgl implementations do not have getShaderPrecisionFormat - } ); + if ( _gl.getShaderPrecisionFormat === undefined ) { - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * uvOffset: new THREE.Vector2(), - * uvScale: new THREE.Vector2() - * } - */ + _gl.getShaderPrecisionFormat = function () { - function SpriteMaterial( parameters ) { + return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; - Material.call( this ); + }; - this.type = 'SpriteMaterial'; + } - this.color = new Color( 0xffffff ); - this.map = null; + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); - this.rotation = 0; + } catch ( error ) { - this.fog = false; - this.lights = false; + console.error( 'THREE.WebGLRenderer: ' + error ); - this.setValues( parameters ); + } - } + var extensions = new WebGLExtensions( _gl ); - SpriteMaterial.prototype = Object.create( Material.prototype ); - SpriteMaterial.prototype.constructor = SpriteMaterial; + extensions.get( 'WEBGL_depth_texture' ); + extensions.get( 'OES_texture_float' ); + extensions.get( 'OES_texture_float_linear' ); + extensions.get( 'OES_texture_half_float' ); + extensions.get( 'OES_texture_half_float_linear' ); + extensions.get( 'OES_standard_derivatives' ); + extensions.get( 'ANGLE_instanced_arrays' ); - SpriteMaterial.prototype.copy = function ( source ) { + if ( extensions.get( 'OES_element_index_uint' ) ) { - Material.prototype.copy.call( this, source ); + BufferGeometry.MaxIndex = 4294967296; - this.color.copy( source.color ); - this.map = source.map; + } - this.rotation = source.rotation; + var capabilities = new WebGLCapabilities( _gl, extensions, parameters ); - return this; + var state = new WebGLState( _gl, extensions, paramThreeToGL ); + var properties = new WebGLProperties(); + var textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info ); + var objects = new WebGLObjects( _gl, properties, this.info ); + var programCache = new WebGLPrograms( this, capabilities ); + var lightCache = new WebGLLights(); - }; + this.info.programs = programCache.programs; - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - */ + var bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender ); + var indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender ); - function Sprite( material ) { + // - Object3D.call( this ); + var backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); + var backgroundCamera2 = new PerspectiveCamera(); + var backgroundPlaneMesh = new Mesh( + new PlaneBufferGeometry( 2, 2 ), + new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) + ); + var backgroundBoxShader = ShaderLib[ 'cube' ]; + var backgroundBoxMesh = new Mesh( + new BoxBufferGeometry( 5, 5, 5 ), + new ShaderMaterial( { + uniforms: backgroundBoxShader.uniforms, + vertexShader: backgroundBoxShader.vertexShader, + fragmentShader: backgroundBoxShader.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); - this.type = 'Sprite'; + // - this.material = ( material !== undefined ) ? material : new SpriteMaterial(); + function getTargetPixelRatio() { - } + return _currentRenderTarget === null ? _pixelRatio : 1; - Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { + } - constructor: Sprite, + function glClearColor( r, g, b, a ) { - isSprite: true, + if ( _premultipliedAlpha === true ) { - raycast: ( function () { + r *= a; g *= a; b *= a; - var matrixPosition = new Vector3(); + } - return function raycast( raycaster, intersects ) { + state.clearColor( r, g, b, a ); - matrixPosition.setFromMatrixPosition( this.matrixWorld ); + } - var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition ); - var guessSizeSq = this.scale.x * this.scale.y / 4; + function setDefaultGLState() { - if ( distanceSq > guessSizeSq ) { + state.init(); - return; + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) ); + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) ); - } + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - intersects.push( { + } - distance: Math.sqrt( distanceSq ), - point: this.position, - face: null, - object: this + function resetGLState() { - } ); + _currentProgram = null; + _currentCamera = null; - }; + _currentGeometryProgram = ''; + _currentMaterialId = - 1; - }() ), + state.reset(); - clone: function () { + } - return new this.constructor( this.material ).copy( this ); + setDefaultGLState(); - } + this.context = _gl; + this.capabilities = capabilities; + this.extensions = extensions; + this.properties = properties; + this.state = state; - } ); + // shadow map - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + var shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities ); - function LOD() { + this.shadowMap = shadowMap; - Object3D.call( this ); - this.type = 'LOD'; + // Plugins - Object.defineProperties( this, { - levels: { - enumerable: true, - value: [] - } - } ); + var spritePlugin = new SpritePlugin( this, sprites ); + var lensFlarePlugin = new LensFlarePlugin( this, lensFlares ); - } + // API + this.getContext = function () { - LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { + return _gl; - constructor: LOD, + }; - copy: function ( source ) { + this.getContextAttributes = function () { - Object3D.prototype.copy.call( this, source, false ); + return _gl.getContextAttributes(); - var levels = source.levels; + }; - for ( var i = 0, l = levels.length; i < l; i ++ ) { + this.forceContextLoss = function () { - var level = levels[ i ]; + extensions.get( 'WEBGL_lose_context' ).loseContext(); - this.addLevel( level.object.clone(), level.distance ); + }; - } + this.getMaxAnisotropy = function () { - return this; + return capabilities.getMaxAnisotropy(); - }, + }; - addLevel: function ( object, distance ) { + this.getPrecision = function () { - if ( distance === undefined ) distance = 0; + return capabilities.precision; - distance = Math.abs( distance ); + }; - var levels = this.levels; + this.getPixelRatio = function () { - for ( var l = 0; l < levels.length; l ++ ) { + return _pixelRatio; - if ( distance < levels[ l ].distance ) { + }; - break; + this.setPixelRatio = function ( value ) { - } + if ( value === undefined ) return; - } + _pixelRatio = value; - levels.splice( l, 0, { distance: distance, object: object } ); + this.setSize( _viewport.z, _viewport.w, false ); - this.add( object ); + }; - }, + this.getSize = function () { - getObjectForDistance: function ( distance ) { + return { + width: _width, + height: _height + }; - var levels = this.levels; + }; - for ( var i = 1, l = levels.length; i < l; i ++ ) { + this.setSize = function ( width, height, updateStyle ) { - if ( distance < levels[ i ].distance ) { + _width = width; + _height = height; - break; + _canvas.width = width * _pixelRatio; + _canvas.height = height * _pixelRatio; - } + if ( updateStyle !== false ) { + + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; } - return levels[ i - 1 ].object; + this.setViewport( 0, 0, width, height ); - }, + }; - raycast: ( function () { + this.setViewport = function ( x, y, width, height ) { - var matrixPosition = new Vector3(); + state.viewport( _viewport.set( x, y, width, height ) ); - return function raycast( raycaster, intersects ) { + }; - matrixPosition.setFromMatrixPosition( this.matrixWorld ); + this.setScissor = function ( x, y, width, height ) { - var distance = raycaster.ray.origin.distanceTo( matrixPosition ); + state.scissor( _scissor.set( x, y, width, height ) ); - this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + }; - }; + this.setScissorTest = function ( boolean ) { - }() ), + state.setScissorTest( _scissorTest = boolean ); - update: function () { + }; - var v1 = new Vector3(); - var v2 = new Vector3(); + // Clearing - return function update( camera ) { + this.getClearColor = function () { - var levels = this.levels; + return _clearColor; - if ( levels.length > 1 ) { + }; - v1.setFromMatrixPosition( camera.matrixWorld ); - v2.setFromMatrixPosition( this.matrixWorld ); + this.setClearColor = function ( color, alpha ) { - var distance = v1.distanceTo( v2 ); + _clearColor.set( color ); - levels[ 0 ].object.visible = true; + _clearAlpha = alpha !== undefined ? alpha : 1; - for ( var i = 1, l = levels.length; i < l; i ++ ) { + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - if ( distance >= levels[ i ].distance ) { + }; - levels[ i - 1 ].object.visible = false; - levels[ i ].object.visible = true; + this.getClearAlpha = function () { - } else { + return _clearAlpha; - break; + }; - } + this.setClearAlpha = function ( alpha ) { - } + _clearAlpha = alpha; - for ( ; i < l; i ++ ) { + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - levels[ i ].object.visible = false; + }; - } + this.clear = function ( color, depth, stencil ) { - } + var bits = 0; - }; + if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT; + if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT; + if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT; - }(), + _gl.clear( bits ); - toJSON: function ( meta ) { + }; - var data = Object3D.prototype.toJSON.call( this, meta ); + this.clearColor = function () { - data.object.levels = []; + this.clear( true, false, false ); - var levels = this.levels; + }; - for ( var i = 0, l = levels.length; i < l; i ++ ) { + this.clearDepth = function () { - var level = levels[ i ]; + this.clear( false, true, false ); - data.object.levels.push( { - object: level.object.uuid, - distance: level.distance - } ); + }; - } + this.clearStencil = function () { - return data; + this.clear( false, false, true ); - } + }; - } ); + this.clearTarget = function ( renderTarget, color, depth, stencil ) { - /** - * @author alteredq / http://alteredqualia.com/ - */ + this.setRenderTarget( renderTarget ); + this.clear( color, depth, stencil ); - function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + }; - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + // Reset - this.image = { data: data, width: width, height: height }; + this.resetGLState = resetGLState; - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + this.dispose = function() { - this.generateMipmaps = false; - this.flipY = false; - this.unpackAlignment = 1; + transparentObjects = []; + transparentObjectsLastIndex = -1; + opaqueObjects = []; + opaqueObjectsLastIndex = -1; - } + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); - DataTexture.prototype = Object.create( Texture.prototype ); - DataTexture.prototype.constructor = DataTexture; + }; - DataTexture.prototype.isDataTexture = true; + // Events - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author michael guerrero / http://realitymeltdown.com - * @author ikerr / http://verold.com - */ + function onContextLost( event ) { - function Skeleton( bones, boneInverses, useVertexTexture ) { + event.preventDefault(); - this.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true; + resetGLState(); + setDefaultGLState(); - this.identityMatrix = new Matrix4(); + properties.clear(); - // copy the bone array + } - bones = bones || []; + function onMaterialDispose( event ) { - this.bones = bones.slice( 0 ); + var material = event.target; - // create a bone texture or an array of floats + material.removeEventListener( 'dispose', onMaterialDispose ); - if ( this.useVertexTexture ) { + deallocateMaterial( material ); - // layout (1 matrix = 4 pixels) - // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) - // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) - // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) - // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) - // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + } + // Buffer deallocation - var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix - size = _Math.nextPowerOfTwo( Math.ceil( size ) ); - size = Math.max( size, 4 ); + function deallocateMaterial( material ) { - this.boneTextureWidth = size; - this.boneTextureHeight = size; + releaseMaterialProgramReference( material ); - this.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel - this.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType ); + properties.delete( material ); - } else { + } - this.boneMatrices = new Float32Array( 16 * this.bones.length ); - } + function releaseMaterialProgramReference( material ) { - // use the supplied bone inverses or calculate the inverses + var programInfo = properties.get( material ).program; - if ( boneInverses === undefined ) { + material.program = undefined; - this.calculateInverses(); + if ( programInfo !== undefined ) { - } else { + programCache.releaseProgram( programInfo ); - if ( this.bones.length === boneInverses.length ) { + } - this.boneInverses = boneInverses.slice( 0 ); + } - } else { + // Buffer rendering - console.warn( 'THREE.Skeleton bonInverses is the wrong length.' ); + this.renderBufferImmediate = function ( object, program, material ) { - this.boneInverses = []; + state.initAttributes(); - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + var buffers = properties.get( object ); - this.boneInverses.push( new Matrix4() ); + if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer(); + if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer(); + if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer(); + if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer(); - } + var attributes = program.getAttributes(); + + if ( object.hasPositions ) { + + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.position ); + _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 ); } - } + if ( object.hasNormals ) { - } + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal ); - Object.assign( Skeleton.prototype, { + if ( ! material.isMeshPhongMaterial && + ! material.isMeshStandardMaterial && + material.shading === FlatShading ) { - calculateInverses: function () { + for ( var i = 0, l = object.count * 3; i < l; i += 9 ) { - this.boneInverses = []; + var array = object.normalArray; - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3; + var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3; + var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3; - var inverse = new Matrix4(); + array[ i + 0 ] = nx; + array[ i + 1 ] = ny; + array[ i + 2 ] = nz; - if ( this.bones[ b ] ) { + array[ i + 3 ] = nx; + array[ i + 4 ] = ny; + array[ i + 5 ] = nz; - inverse.getInverse( this.bones[ b ].matrixWorld ); + array[ i + 6 ] = nx; + array[ i + 7 ] = ny; + array[ i + 8 ] = nz; + + } } - this.boneInverses.push( inverse ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW ); + + state.enableAttribute( attributes.normal ); + + _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 ); } - }, + if ( object.hasUvs && material.map ) { - pose: function () { + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW ); - var bone; + state.enableAttribute( attributes.uv ); - // recover the bind-time world matrices + _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 ); - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + } - bone = this.bones[ b ]; + if ( object.hasColors && material.vertexColors !== NoColors ) { - if ( bone ) { + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color ); + _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW ); - bone.matrixWorld.getInverse( this.boneInverses[ b ] ); + state.enableAttribute( attributes.color ); - } + _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 ); } - // compute the local matrices, positions, rotations and scales - - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + state.disableUnusedAttributes(); - bone = this.bones[ b ]; + _gl.drawArrays( _gl.TRIANGLES, 0, object.count ); - if ( bone ) { + object.count = 0; - if ( (bone.parent && bone.parent.isBone) ) { + }; - bone.matrix.getInverse( bone.parent.matrixWorld ); - bone.matrix.multiply( bone.matrixWorld ); + this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) { - } else { + setMaterial( material ); - bone.matrix.copy( bone.matrixWorld ); + var program = setProgram( camera, fog, material, object ); - } + var updateBuffers = false; + var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe; - bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + if ( geometryProgram !== _currentGeometryProgram ) { - } + _currentGeometryProgram = geometryProgram; + updateBuffers = true; } - }, + // morph targets - update: ( function () { + var morphTargetInfluences = object.morphTargetInfluences; - var offsetMatrix = new Matrix4(); + if ( morphTargetInfluences !== undefined ) { - return function update() { + var activeInfluences = []; - // flatten bone matrices to array + for ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) { - for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { + var influence = morphTargetInfluences[ i ]; + activeInfluences.push( [ influence, i ] ); - // compute the offset between the current and the original transform + } - var matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix; + activeInfluences.sort( absNumericalSort ); - offsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] ); - offsetMatrix.toArray( this.boneMatrices, b * 16 ); + if ( activeInfluences.length > 8 ) { + + activeInfluences.length = 8; } - if ( this.useVertexTexture ) { + var morphAttributes = geometry.morphAttributes; - this.boneTexture.needsUpdate = true; + for ( var i = 0, l = activeInfluences.length; i < l; i ++ ) { - } + var influence = activeInfluences[ i ]; + morphInfluences[ i ] = influence[ 0 ]; - }; + if ( influence[ 0 ] !== 0 ) { - } )(), + var index = influence[ 1 ]; - clone: function () { + if ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] ); + if ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] ); - return new Skeleton( this.bones, this.boneInverses, this.useVertexTexture ); + } else { - } + if ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i ); + if ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i ); - } ); + } - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ + } - function Bone( skin ) { + for ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) { - Object3D.call( this ); + morphInfluences[ i ] = 0.0; - this.type = 'Bone'; + } - this.skin = skin; + program.getUniforms().setValue( + _gl, 'morphTargetInfluences', morphInfluences ); - } + updateBuffers = true; - Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { + } - constructor: Bone, + // - isBone: true, + var index = geometry.index; + var position = geometry.attributes.position; + var rangeFactor = 1; - copy: function ( source ) { + if ( material.wireframe === true ) { - Object3D.prototype.copy.call( this, source ); + index = objects.getWireframeAttribute( geometry ); + rangeFactor = 2; - this.skin = source.skin; + } - return this; + var renderer; - } + if ( index !== null ) { - } ); + renderer = indexedBufferRenderer; + renderer.setIndex( index ); - /** - * @author mikael emtinger / http://gomo.se/ - * @author alteredq / http://alteredqualia.com/ - * @author ikerr / http://verold.com - */ + } else { - function SkinnedMesh( geometry, material, useVertexTexture ) { + renderer = bufferRenderer; - Mesh.call( this, geometry, material ); + } - this.type = 'SkinnedMesh'; + if ( updateBuffers ) { - this.bindMode = "attached"; - this.bindMatrix = new Matrix4(); - this.bindMatrixInverse = new Matrix4(); + setupVertexAttributes( material, program, geometry ); - // init bones + if ( index !== null ) { - // TODO: remove bone creation as there is no reason (other than - // convenience) for THREE.SkinnedMesh to do this. + _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) ); - var bones = []; + } - if ( this.geometry && this.geometry.bones !== undefined ) { + } - var bone, gbone; + // - for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + var dataCount = 0; - gbone = this.geometry.bones[ b ]; + if ( index !== null ) { - bone = new Bone( this ); - bones.push( bone ); + dataCount = index.count; - bone.name = gbone.name; - bone.position.fromArray( gbone.pos ); - bone.quaternion.fromArray( gbone.rotq ); - if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); + } else if ( position !== undefined ) { + + dataCount = position.count; } - for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { + var rangeStart = geometry.drawRange.start * rangeFactor; + var rangeCount = geometry.drawRange.count * rangeFactor; - gbone = this.geometry.bones[ b ]; + var groupStart = group !== null ? group.start * rangeFactor : 0; + var groupCount = group !== null ? group.count * rangeFactor : Infinity; - if ( gbone.parent !== - 1 && gbone.parent !== null && - bones[ gbone.parent ] !== undefined ) { + var drawStart = Math.max( rangeStart, groupStart ); + var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; - bones[ gbone.parent ].add( bones[ b ] ); + var drawCount = Math.max( 0, drawEnd - drawStart + 1 ); - } else { + if ( drawCount === 0 ) return; - this.add( bones[ b ] ); + // - } + if ( object.isMesh ) { - } + if ( material.wireframe === true ) { - } + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( _gl.LINES ); - this.normalizeSkinWeights(); + } else { - this.updateMatrixWorld( true ); - this.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld ); + switch ( object.drawMode ) { - } + case TrianglesDrawMode: + renderer.setMode( _gl.TRIANGLES ); + break; + case TriangleStripDrawMode: + renderer.setMode( _gl.TRIANGLE_STRIP ); + break; - SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { + case TriangleFanDrawMode: + renderer.setMode( _gl.TRIANGLE_FAN ); + break; - constructor: SkinnedMesh, + } - isSkinnedMesh: true, + } - bind: function( skeleton, bindMatrix ) { - this.skeleton = skeleton; + } else if ( object.isLine ) { - if ( bindMatrix === undefined ) { + var lineWidth = material.linewidth; - this.updateMatrixWorld( true ); + if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material - this.skeleton.calculateInverses(); + state.setLineWidth( lineWidth * getTargetPixelRatio() ); - bindMatrix = this.matrixWorld; + if ( object.isLineSegments ) { - } + renderer.setMode( _gl.LINES ); - this.bindMatrix.copy( bindMatrix ); - this.bindMatrixInverse.getInverse( bindMatrix ); + } else { - }, + renderer.setMode( _gl.LINE_STRIP ); - pose: function () { + } - this.skeleton.pose(); + } else if ( object.isPoints ) { - }, + renderer.setMode( _gl.POINTS ); - normalizeSkinWeights: function () { + } - if ( (this.geometry && this.geometry.isGeometry) ) { + if ( geometry && geometry.isInstancedBufferGeometry ) { - for ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) { + if ( geometry.maxInstancedCount > 0 ) { - var sw = this.geometry.skinWeights[ i ]; + renderer.renderInstances( geometry, drawStart, drawCount ); - var scale = 1.0 / sw.lengthManhattan(); + } - if ( scale !== Infinity ) { + } else { - sw.multiplyScalar( scale ); + renderer.render( drawStart, drawCount ); - } else { + } - sw.set( 1, 0, 0, 0 ); // do something reasonable + }; - } + function setupVertexAttributes( material, program, geometry, startIndex ) { - } + var extension; - } else if ( (this.geometry && this.geometry.isBufferGeometry) ) { + if ( geometry && geometry.isInstancedBufferGeometry ) { - var vec = new Vector4(); + extension = extensions.get( 'ANGLE_instanced_arrays' ); - var skinWeight = this.geometry.attributes.skinWeight; + if ( extension === null ) { - for ( var i = 0; i < skinWeight.count; i ++ ) { + console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; - vec.x = skinWeight.getX( i ); - vec.y = skinWeight.getY( i ); - vec.z = skinWeight.getZ( i ); - vec.w = skinWeight.getW( i ); + } - var scale = 1.0 / vec.lengthManhattan(); + } - if ( scale !== Infinity ) { + if ( startIndex === undefined ) startIndex = 0; - vec.multiplyScalar( scale ); + state.initAttributes(); - } else { + var geometryAttributes = geometry.attributes; - vec.set( 1, 0, 0, 0 ); // do something reasonable + var programAttributes = program.getAttributes(); - } + var materialDefaultAttributeValues = material.defaultAttributeValues; - skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w ); + for ( var name in programAttributes ) { - } + var programAttribute = programAttributes[ name ]; - } + if ( programAttribute >= 0 ) { - }, + var geometryAttribute = geometryAttributes[ name ]; - updateMatrixWorld: function( force ) { + if ( geometryAttribute !== undefined ) { - Mesh.prototype.updateMatrixWorld.call( this, true ); + var type = _gl.FLOAT; + var array = geometryAttribute.array; + var normalized = geometryAttribute.normalized; - if ( this.bindMode === "attached" ) { + if ( array instanceof Float32Array ) { - this.bindMatrixInverse.getInverse( this.matrixWorld ); + type = _gl.FLOAT; - } else if ( this.bindMode === "detached" ) { + } else if ( array instanceof Float64Array ) { - this.bindMatrixInverse.getInverse( this.bindMatrix ); + console.warn( "Unsupported data buffer format: Float64Array" ); - } else { + } else if ( array instanceof Uint16Array ) { - console.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode ); + type = _gl.UNSIGNED_SHORT; - } + } else if ( array instanceof Int16Array ) { - }, + type = _gl.SHORT; - clone: function() { + } else if ( array instanceof Uint32Array ) { - return new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this ); + type = _gl.UNSIGNED_INT; - } + } else if ( array instanceof Int32Array ) { - } ); + type = _gl.INT; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * linewidth: , - * linecap: "round", - * linejoin: "round" - * } - */ + } else if ( array instanceof Int8Array ) { - function LineBasicMaterial( parameters ) { + type = _gl.BYTE; - Material.call( this ); + } else if ( array instanceof Uint8Array ) { - this.type = 'LineBasicMaterial'; + type = _gl.UNSIGNED_BYTE; - this.color = new Color( 0xffffff ); + } - this.linewidth = 1; - this.linecap = 'round'; - this.linejoin = 'round'; + var size = geometryAttribute.itemSize; + var buffer = objects.getAttributeBuffer( geometryAttribute ); - this.lights = false; + if ( geometryAttribute.isInterleavedBufferAttribute ) { - this.setValues( parameters ); + var data = geometryAttribute.data; + var stride = data.stride; + var offset = geometryAttribute.offset; - } + if ( data && data.isInstancedInterleavedBuffer ) { - LineBasicMaterial.prototype = Object.create( Material.prototype ); - LineBasicMaterial.prototype.constructor = LineBasicMaterial; + state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension ); - LineBasicMaterial.prototype.isLineBasicMaterial = true; + if ( geometry.maxInstancedCount === undefined ) { - LineBasicMaterial.prototype.copy = function ( source ) { + geometry.maxInstancedCount = data.meshPerAttribute * data.count; - Material.prototype.copy.call( this, source ); + } - this.color.copy( source.color ); + } else { - this.linewidth = source.linewidth; - this.linecap = source.linecap; - this.linejoin = source.linejoin; + state.enableAttribute( programAttribute ); - return this; + } - }; + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } else { - function Line( geometry, material, mode ) { + if ( geometryAttribute.isInstancedBufferAttribute ) { - if ( mode === 1 ) { + state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension ); - console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' ); - return new LineSegments( geometry, material ); + if ( geometry.maxInstancedCount === undefined ) { - } + geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; - Object3D.call( this ); + } - this.type = 'Line'; + } else { - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); + state.enableAttribute( programAttribute ); - } + } - Line.prototype = Object.assign( Object.create( Object3D.prototype ), { + _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer ); + _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT ); - constructor: Line, + } - isLine: true, + } else if ( materialDefaultAttributeValues !== undefined ) { - raycast: ( function () { + var value = materialDefaultAttributeValues[ name ]; - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + if ( value !== undefined ) { - return function raycast( raycaster, intersects ) { + switch ( value.length ) { - var precision = raycaster.linePrecision; - var precisionSq = precision * precision; + case 2: + _gl.vertexAttrib2fv( programAttribute, value ); + break; - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; + case 3: + _gl.vertexAttrib3fv( programAttribute, value ); + break; - // Checking boundingSphere distance to ray + case 4: + _gl.vertexAttrib4fv( programAttribute, value ); + break; - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + default: + _gl.vertexAttrib1fv( programAttribute, value ); - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + } - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + } - // + } - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + } - var vStart = new Vector3(); - var vEnd = new Vector3(); - var interSegment = new Vector3(); - var interRay = new Vector3(); - var step = (this && this.isLineSegments) ? 2 : 1; + } - if ( (geometry && geometry.isBufferGeometry) ) { + state.disableUnusedAttributes(); - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + } - if ( index !== null ) { + // Sorting - var indices = index.array; + function absNumericalSort( a, b ) { - for ( var i = 0, l = indices.length - 1; i < l; i += step ) { + return Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] ); - var a = indices[ i ]; - var b = indices[ i + 1 ]; + } - vStart.fromArray( positions, a * 3 ); - vEnd.fromArray( positions, b * 3 ); + function painterSortStable( a, b ) { - var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + if ( a.object.renderOrder !== b.object.renderOrder ) { - if ( distSq > precisionSq ) continue; + return a.object.renderOrder - b.object.renderOrder; - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + } else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) { - var distance = raycaster.ray.origin.distanceTo( interRay ); + return a.material.program.id - b.material.program.id; - if ( distance < raycaster.near || distance > raycaster.far ) continue; + } else if ( a.material.id !== b.material.id ) { - intersects.push( { + return a.material.id - b.material.id; - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + } else if ( a.z !== b.z ) { - } ); + return a.z - b.z; - } + } else { - } else { + return a.id - b.id; - for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { + } - vStart.fromArray( positions, 3 * i ); - vEnd.fromArray( positions, 3 * i + 3 ); + } - var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + function reversePainterSortStable( a, b ) { - if ( distSq > precisionSq ) continue; + if ( a.object.renderOrder !== b.object.renderOrder ) { - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + return a.object.renderOrder - b.object.renderOrder; - var distance = raycaster.ray.origin.distanceTo( interRay ); + } if ( a.z !== b.z ) { - if ( distance < raycaster.near || distance > raycaster.far ) continue; + return b.z - a.z; - intersects.push( { + } else { - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + return a.id - b.id; - } ); + } - } + } - } + // Rendering - } else if ( (geometry && geometry.isGeometry) ) { + this.render = function ( scene, camera, renderTarget, forceClear ) { - var vertices = geometry.vertices; - var nbVertices = vertices.length; + if ( camera !== undefined && camera.isCamera !== true ) { - for ( var i = 0; i < nbVertices - 1; i += step ) { + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; - var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); + } - if ( distSq > precisionSq ) continue; + // reset caching for this frame - interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + _currentGeometryProgram = ''; + _currentMaterialId = - 1; + _currentCamera = null; - var distance = raycaster.ray.origin.distanceTo( interRay ); + // update scene graph - if ( distance < raycaster.near || distance > raycaster.far ) continue; + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); - intersects.push( { + // update camera matrices and frustum - distance: distance, - // What do we want? intersection point on the ray or on the segment?? - // point: raycaster.ray.at( distance ), - point: interSegment.clone().applyMatrix4( this.matrixWorld ), - index: i, - face: null, - faceIndex: null, - object: this + if ( camera.parent === null ) camera.updateMatrixWorld(); - } ); + camera.matrixWorldInverse.getInverse( camera.matrixWorld ); - } + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromMatrix( _projScreenMatrix ); - } + lights.length = 0; - }; + opaqueObjectsLastIndex = - 1; + transparentObjectsLastIndex = - 1; - }() ), + sprites.length = 0; + lensFlares.length = 0; - clone: function () { + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); - return new this.constructor( this.geometry, this.material ).copy( this ); + projectObject( scene, camera ); - } + opaqueObjects.length = opaqueObjectsLastIndex + 1; + transparentObjects.length = transparentObjectsLastIndex + 1; - } ); + if ( _this.sortObjects === true ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + opaqueObjects.sort( painterSortStable ); + transparentObjects.sort( reversePainterSortStable ); - function LineSegments( geometry, material ) { + } - Line.call( this, geometry, material ); + // - this.type = 'LineSegments'; + if ( _clippingEnabled ) _clipping.beginShadows(); - } + setupShadows( lights ); - LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { + shadowMap.render( scene, camera ); - constructor: LineSegments, + setupLights( lights, camera ); - isLineSegments: true + if ( _clippingEnabled ) _clipping.endShadows(); - } ); + // - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * map: new THREE.Texture( ), - * - * size: , - * sizeAttenuation: - * } - */ + _infoRender.calls = 0; + _infoRender.vertices = 0; + _infoRender.faces = 0; + _infoRender.points = 0; - function PointsMaterial( parameters ) { + if ( renderTarget === undefined ) { - Material.call( this ); + renderTarget = null; - this.type = 'PointsMaterial'; + } - this.color = new Color( 0xffffff ); + this.setRenderTarget( renderTarget ); - this.map = null; + // - this.size = 1; - this.sizeAttenuation = true; + var background = scene.background; - this.lights = false; + if ( background === null ) { - this.setValues( parameters ); + glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha ); - } + } else if ( background && background.isColor ) { - PointsMaterial.prototype = Object.create( Material.prototype ); - PointsMaterial.prototype.constructor = PointsMaterial; + glClearColor( background.r, background.g, background.b, 1 ); + forceClear = true; - PointsMaterial.prototype.isPointsMaterial = true; + } - PointsMaterial.prototype.copy = function ( source ) { + if ( this.autoClear || forceClear ) { - Material.prototype.copy.call( this, source ); + this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil ); - this.color.copy( source.color ); + } - this.map = source.map; + if ( background && background.isCubeTexture ) { - this.size = source.size; - this.sizeAttenuation = source.sizeAttenuation; + backgroundCamera2.projectionMatrix.copy( camera.projectionMatrix ); - return this; - - }; - - /** - * @author alteredq / http://alteredqualia.com/ - */ + backgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld ); + backgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld ); - function Points( geometry, material ) { + backgroundBoxMesh.material.uniforms[ "tCube" ].value = background; + backgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld ); - Object3D.call( this ); + objects.update( backgroundBoxMesh ); - this.type = 'Points'; + _this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null ); - this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); - this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); + } else if ( background && background.isTexture ) { - } + backgroundPlaneMesh.material.map = background; - Points.prototype = Object.assign( Object.create( Object3D.prototype ), { + objects.update( backgroundPlaneMesh ); - constructor: Points, + _this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null ); - isPoints: true, + } - raycast: ( function () { + // - var inverseMatrix = new Matrix4(); - var ray = new Ray(); - var sphere = new Sphere(); + if ( scene.overrideMaterial ) { - return function raycast( raycaster, intersects ) { + var overrideMaterial = scene.overrideMaterial; - var object = this; - var geometry = this.geometry; - var matrixWorld = this.matrixWorld; - var threshold = raycaster.params.Points.threshold; + renderObjects( opaqueObjects, scene, camera, overrideMaterial ); + renderObjects( transparentObjects, scene, camera, overrideMaterial ); - // Checking boundingSphere distance to ray + } else { - if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + // opaque pass (front-to-back order) - sphere.copy( geometry.boundingSphere ); - sphere.applyMatrix4( matrixWorld ); + state.setBlending( NoBlending ); + renderObjects( opaqueObjects, scene, camera ); - if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; + // transparent pass (back-to-front order) - // + renderObjects( transparentObjects, scene, camera ); - inverseMatrix.getInverse( matrixWorld ); - ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); + } - var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); - var localThresholdSq = localThreshold * localThreshold; - var position = new Vector3(); + // custom render plugins (post pass) - function testPoint( point, index ) { + spritePlugin.render( scene, camera ); + lensFlarePlugin.render( scene, camera, _currentViewport ); - var rayPointDistanceSq = ray.distanceSqToPoint( point ); + // Generate mipmap if we're using any kind of mipmap filtering - if ( rayPointDistanceSq < localThresholdSq ) { + if ( renderTarget ) { - var intersectPoint = ray.closestPointToPoint( point ); - intersectPoint.applyMatrix4( matrixWorld ); + textures.updateRenderTargetMipmap( renderTarget ); - var distance = raycaster.ray.origin.distanceTo( intersectPoint ); + } - if ( distance < raycaster.near || distance > raycaster.far ) return; + // Ensure depth buffer writing is enabled so it can be cleared on next render - intersects.push( { + state.setDepthTest( true ); + state.setDepthWrite( true ); + state.setColorWrite( true ); - distance: distance, - distanceToRay: Math.sqrt( rayPointDistanceSq ), - point: intersectPoint.clone(), - index: index, - face: null, - object: object + // _gl.finish(); - } ); + }; - } + function pushRenderItem( object, geometry, material, z, group ) { - } + var array, index; - if ( (geometry && geometry.isBufferGeometry) ) { + // allocate the next position in the appropriate array - var index = geometry.index; - var attributes = geometry.attributes; - var positions = attributes.position.array; + if ( material.transparent ) { - if ( index !== null ) { + array = transparentObjects; + index = ++ transparentObjectsLastIndex; - var indices = index.array; + } else { - for ( var i = 0, il = indices.length; i < il; i ++ ) { + array = opaqueObjects; + index = ++ opaqueObjectsLastIndex; - var a = indices[ i ]; + } - position.fromArray( positions, a * 3 ); + // recycle existing render item or grow the array - testPoint( position, a ); + var renderItem = array[ index ]; - } + if ( renderItem !== undefined ) { - } else { + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.z = _vector3.z; + renderItem.group = group; - for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { + } else { - position.fromArray( positions, i * 3 ); + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + z: _vector3.z, + group: group + }; - testPoint( position, i ); + // assert( index === array.length ); + array.push( renderItem ); - } + } - } + } - } else { + // TODO Duplicated code (Frustum) - var vertices = geometry.vertices; + function isObjectViewable( object ) { - for ( var i = 0, l = vertices.length; i < l; i ++ ) { + var geometry = object.geometry; - testPoint( vertices[ i ], i ); + if ( geometry.boundingSphere === null ) + geometry.computeBoundingSphere(); - } + _sphere.copy( geometry.boundingSphere ). + applyMatrix4( object.matrixWorld ); - } + return isSphereViewable( _sphere ); - }; + } - }() ), + function isSpriteViewable( sprite ) { - clone: function () { + _sphere.center.set( 0, 0, 0 ); + _sphere.radius = 0.7071067811865476; + _sphere.applyMatrix4( sprite.matrixWorld ); - return new this.constructor( this.geometry, this.material ).copy( this ); + return isSphereViewable( _sphere ); } - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ + function isSphereViewable( sphere ) { - function Group() { + if ( ! _frustum.intersectsSphere( sphere ) ) return false; - Object3D.call( this ); + var numPlanes = _clipping.numPlanes; - this.type = 'Group'; + if ( numPlanes === 0 ) return true; - } + var planes = _this.clippingPlanes, - Group.prototype = Object.assign( Object.create( Object3D.prototype ), { + center = sphere.center, + negRad = - sphere.radius, + i = 0; - constructor: Group + do { - } ); + // out when deeper than radius in the negative halfspace + if ( planes[ i ].distanceToPoint( center ) < negRad ) return false; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } while ( ++ i !== numPlanes ); - function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + return true; - Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + } - this.generateMipmaps = false; + function projectObject( object, camera ) { - var scope = this; + if ( object.visible === false ) return; - function update() { + var visible = ( object.layers.mask & camera.layers.mask ) !== 0; - requestAnimationFrame( update ); + if ( visible ) { - if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + if ( object.isLight ) { - scope.needsUpdate = true; + lights.push( object ); - } + } else if ( object.isSprite ) { - } + if ( object.frustumCulled === false || isSpriteViewable( object ) === true ) { - update(); + sprites.push( object ); - } + } - VideoTexture.prototype = Object.create( Texture.prototype ); - VideoTexture.prototype.constructor = VideoTexture; + } else if ( object.isLensFlare ) { - /** - * @author alteredq / http://alteredqualia.com/ - */ + lensFlares.push( object ); - function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + } else if ( object.isImmediateRenderObject ) { - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + if ( _this.sortObjects === true ) { - this.image = { width: width, height: height }; - this.mipmaps = mipmaps; + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); - // no flipping for cube textures - // (also flipping doesn't work for compressed textures ) + } - this.flipY = false; + pushRenderItem( object, null, object.material, _vector3.z, null ); - // can't generate mipmaps for compressed textures - // mips must be embedded in DDS files + } else if ( object.isMesh || object.isLine || object.isPoints ) { - this.generateMipmaps = false; + if ( object.isSkinnedMesh ) { - } + object.skeleton.update(); - CompressedTexture.prototype = Object.create( Texture.prototype ); - CompressedTexture.prototype.constructor = CompressedTexture; + } - CompressedTexture.prototype.isCompressedTexture = true; + if ( object.frustumCulled === false || isObjectViewable( object ) === true ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + var material = object.material; - function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + if ( material.visible === true ) { - Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + if ( _this.sortObjects === true ) { - this.needsUpdate = true; + _vector3.setFromMatrixPosition( object.matrixWorld ); + _vector3.applyProjection( _projScreenMatrix ); - } + } - CanvasTexture.prototype = Object.create( Texture.prototype ); - CanvasTexture.prototype.constructor = CanvasTexture; + var geometry = objects.update( object ); - /** - * @author Matt DesLauriers / @mattdesl - * @author atix / arthursilber.de - */ + if ( material.isMultiMaterial ) { - function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { + var groups = geometry.groups; + var materials = material.materials; - format = format !== undefined ? format : DepthFormat; + for ( var i = 0, l = groups.length; i < l; i ++ ) { - if ( format !== DepthFormat && format !== DepthStencilFormat ) { + var group = groups[ i ]; + var groupMaterial = materials[ group.materialIndex ]; - throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ) + if ( groupMaterial.visible === true ) { - } + pushRenderItem( object, geometry, groupMaterial, _vector3.z, group ); - Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + } - this.image = { width: width, height: height }; + } - this.type = type !== undefined ? type : UnsignedShortType; + } else { - this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; - this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + pushRenderItem( object, geometry, material, _vector3.z, null ); - this.flipY = false; - this.generateMipmaps = false; + } - } + } - DepthTexture.prototype = Object.create( Texture.prototype ); - DepthTexture.prototype.constructor = DepthTexture; - DepthTexture.prototype.isDepthTexture = true; + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function WireframeGeometry( geometry ) { + } - BufferGeometry.call( this ); + var children = object.children; - var edge = [ 0, 0 ], hash = {}; + for ( var i = 0, l = children.length; i < l; i ++ ) { - function sortFunction( a, b ) { + projectObject( children[ i ], camera ); - return a - b; + } } - var keys = [ 'a', 'b', 'c' ]; - - if ( (geometry && geometry.isGeometry) ) { - - var vertices = geometry.vertices; - var faces = geometry.faces; - var numEdges = 0; + function renderObjects( renderList, scene, camera, overrideMaterial ) { - // allocate maximal size - var edges = new Uint32Array( 6 * faces.length ); + for ( var i = 0, l = renderList.length; i < l; i ++ ) { - for ( var i = 0, l = faces.length; i < l; i ++ ) { + var renderItem = renderList[ i ]; - var face = faces[ i ]; + var object = renderItem.object; + var geometry = renderItem.geometry; + var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial; + var group = renderItem.group; - for ( var j = 0; j < 3; j ++ ) { + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); - edge[ 0 ] = face[ keys[ j ] ]; - edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; - edge.sort( sortFunction ); + object.onBeforeRender( _this, scene, camera, geometry, material, group ); - var key = edge.toString(); + if ( object.isImmediateRenderObject ) { - if ( hash[ key ] === undefined ) { + setMaterial( material ); - edges[ 2 * numEdges ] = edge[ 0 ]; - edges[ 2 * numEdges + 1 ] = edge[ 1 ]; - hash[ key ] = true; - numEdges ++; + var program = setProgram( camera, scene.fog, material, object ); - } + _currentGeometryProgram = ''; - } + object.render( function ( object ) { - } + _this.renderBufferImmediate( object, program, material ); - var coords = new Float32Array( numEdges * 2 * 3 ); + } ); - for ( var i = 0, l = numEdges; i < l; i ++ ) { + } else { - for ( var j = 0; j < 2; j ++ ) { + _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group ); - var vertex = vertices[ edges [ 2 * i + j ] ]; + } - var index = 6 * i + 3 * j; - coords[ index + 0 ] = vertex.x; - coords[ index + 1 ] = vertex.y; - coords[ index + 2 ] = vertex.z; + object.onAfterRender( _this, scene, camera, geometry, material, group ); - } } - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + } - } else if ( (geometry && geometry.isBufferGeometry) ) { + function initMaterial( material, fog, object ) { - if ( geometry.index !== null ) { + var materialProperties = properties.get( material ); - // Indexed BufferGeometry + var parameters = programCache.getParameters( + material, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object ); - var indices = geometry.index.array; - var vertices = geometry.attributes.position; - var groups = geometry.groups; - var numEdges = 0; + var code = programCache.getProgramCode( material, parameters ); - if ( groups.length === 0 ) { + var program = materialProperties.program; + var programChange = true; - geometry.addGroup( 0, indices.length ); + if ( program === undefined ) { - } + // new material + material.addEventListener( 'dispose', onMaterialDispose ); - // allocate maximal size - var edges = new Uint32Array( 2 * indices.length ); + } else if ( program.code !== code ) { - for ( var o = 0, ol = groups.length; o < ol; ++ o ) { + // changed glsl or parameters + releaseMaterialProgramReference( material ); - var group = groups[ o ]; + } else if ( parameters.shaderID !== undefined ) { - var start = group.start; - var count = group.count; + // same glsl and uniform list + return; - for ( var i = start, il = start + count; i < il; i += 3 ) { + } else { - for ( var j = 0; j < 3; j ++ ) { + // only rebuild uniform list + programChange = false; - edge[ 0 ] = indices[ i + j ]; - edge[ 1 ] = indices[ i + ( j + 1 ) % 3 ]; - edge.sort( sortFunction ); + } - var key = edge.toString(); + if ( programChange ) { - if ( hash[ key ] === undefined ) { + if ( parameters.shaderID ) { - edges[ 2 * numEdges ] = edge[ 0 ]; - edges[ 2 * numEdges + 1 ] = edge[ 1 ]; - hash[ key ] = true; - numEdges ++; + var shader = ShaderLib[ parameters.shaderID ]; - } + materialProperties.__webglShader = { + name: material.type, + uniforms: UniformsUtils.clone( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader + }; - } + } else { - } + materialProperties.__webglShader = { + name: material.type, + uniforms: material.uniforms, + vertexShader: material.vertexShader, + fragmentShader: material.fragmentShader + }; } - var coords = new Float32Array( numEdges * 2 * 3 ); + material.__webglShader = materialProperties.__webglShader; - for ( var i = 0, l = numEdges; i < l; i ++ ) { + program = programCache.acquireProgram( material, parameters, code ); - for ( var j = 0; j < 2; j ++ ) { + materialProperties.program = program; + material.program = program; - var index = 6 * i + 3 * j; - var index2 = edges[ 2 * i + j ]; + } - coords[ index + 0 ] = vertices.getX( index2 ); - coords[ index + 1 ] = vertices.getY( index2 ); - coords[ index + 2 ] = vertices.getZ( index2 ); + var attributes = program.getAttributes(); - } + if ( material.morphTargets ) { - } + material.numSupportedMorphTargets = 0; - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); + for ( var i = 0; i < _this.maxMorphTargets; i ++ ) { - } else { + if ( attributes[ 'morphTarget' + i ] >= 0 ) { - // non-indexed BufferGeometry + material.numSupportedMorphTargets ++; - var vertices = geometry.attributes.position.array; - var numEdges = vertices.length / 3; - var numTris = numEdges / 3; + } - var coords = new Float32Array( numEdges * 2 * 3 ); + } - for ( var i = 0, l = numTris; i < l; i ++ ) { + } - for ( var j = 0; j < 3; j ++ ) { + if ( material.morphNormals ) { - var index = 18 * i + 6 * j; + material.numSupportedMorphNormals = 0; - var index1 = 9 * i + 3 * j; - coords[ index + 0 ] = vertices[ index1 ]; - coords[ index + 1 ] = vertices[ index1 + 1 ]; - coords[ index + 2 ] = vertices[ index1 + 2 ]; + for ( var i = 0; i < _this.maxMorphNormals; i ++ ) { - var index2 = 9 * i + 3 * ( ( j + 1 ) % 3 ); - coords[ index + 3 ] = vertices[ index2 ]; - coords[ index + 4 ] = vertices[ index2 + 1 ]; - coords[ index + 5 ] = vertices[ index2 + 2 ]; + if ( attributes[ 'morphNormal' + i ] >= 0 ) { + + material.numSupportedMorphNormals ++; } } - this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - } - } + var uniforms = materialProperties.__webglShader.uniforms; - } + if ( ! material.isShaderMaterial && + ! material.isRawShaderMaterial || + material.clipping === true ) { - WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); - WireframeGeometry.prototype.constructor = WireframeGeometry; + materialProperties.numClippingPlanes = _clipping.numPlanes; + materialProperties.numIntersection = _clipping.numIntersection; + uniforms.clippingPlanes = _clipping.uniform; - /** - * @author Mugen87 / https://github.com/Mugen87 - * - * Parametric Surfaces Geometry - * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 - */ + } - function ParametricBufferGeometry( func, slices, stacks ) { + materialProperties.fog = fog; - BufferGeometry.call( this ); + // store the light setup it was created for - this.type = 'ParametricBufferGeometry'; + materialProperties.lightsHash = _lights.hash; - this.parameters = { - func: func, - slices: slices, - stacks: stacks - }; + if ( material.lights ) { - // generate vertices and uvs + // wire up the material to this renderer's lighting state - var vertices = []; - var uvs = []; + uniforms.ambientLightColor.value = _lights.ambient; + uniforms.directionalLights.value = _lights.directional; + uniforms.spotLights.value = _lights.spot; + uniforms.pointLights.value = _lights.point; + uniforms.hemisphereLights.value = _lights.hemi; - var i, j, p; - var u, v; + uniforms.directionalShadowMap.value = _lights.directionalShadowMap; + uniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix; + uniforms.spotShadowMap.value = _lights.spotShadowMap; + uniforms.spotShadowMatrix.value = _lights.spotShadowMatrix; + uniforms.pointShadowMap.value = _lights.pointShadowMap; + uniforms.pointShadowMatrix.value = _lights.pointShadowMatrix; - var sliceCount = slices + 1; + } - for ( i = 0; i <= stacks; i ++ ) { + var progUniforms = materialProperties.program.getUniforms(), + uniformsList = + WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); - v = i / stacks; + materialProperties.uniformsList = uniformsList; - for ( j = 0; j <= slices; j ++ ) { + } - u = j / slices; + function setMaterial( material ) { - p = func( u, v ); - vertices.push( p.x, p.y, p.z ); + material.side === DoubleSide + ? state.disable( _gl.CULL_FACE ) + : state.enable( _gl.CULL_FACE ); - uvs.push( u, v ); + state.setFlipSided( material.side === BackSide ); - } + material.transparent === true + ? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ) + : state.setBlending( NoBlending ); - } + state.setDepthFunc( material.depthFunc ); + state.setDepthTest( material.depthTest ); + state.setDepthWrite( material.depthWrite ); + state.setColorWrite( material.colorWrite ); + state.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); - // generate indices + } - var indices = []; - var a, b, c, d; + function setProgram( camera, fog, material, object ) { - for ( i = 0; i < stacks; i ++ ) { + _usedTextureUnits = 0; - for ( j = 0; j < slices; j ++ ) { + var materialProperties = properties.get( material ); - a = i * sliceCount + j; - b = i * sliceCount + j + 1; - c = ( i + 1 ) * sliceCount + j + 1; - d = ( i + 1 ) * sliceCount + j; + if ( _clippingEnabled ) { - // faces one and two + if ( _localClippingEnabled || camera !== _currentCamera ) { - indices.push( a, b, d ); - indices.push( b, c, d ); + var useCache = + camera === _currentCamera && + material.id === _currentMaterialId; - } + // we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + _clipping.setState( + material.clippingPlanes, material.clipIntersection, material.clipShadows, + camera, materialProperties, useCache ); - } + } - // build geometry + } - this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); + if ( material.needsUpdate === false ) { - // generate normals + if ( materialProperties.program === undefined ) { - this.computeVertexNormals(); + material.needsUpdate = true; - } + } else if ( material.fog && materialProperties.fog !== fog ) { - ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; + material.needsUpdate = true; - /** - * @author zz85 / https://github.com/zz85 - * - * Parametric Surfaces Geometry - * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 - */ + } else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) { - function ParametricGeometry( func, slices, stacks ) { + material.needsUpdate = true; - Geometry.call( this ); + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== _clipping.numPlanes || + materialProperties.numIntersection !== _clipping.numIntersection ) ) { - this.type = 'ParametricGeometry'; + material.needsUpdate = true; - this.parameters = { - func: func, - slices: slices, - stacks: stacks - }; + } - this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); - this.mergeVertices(); + } - } + if ( material.needsUpdate ) { - ParametricGeometry.prototype = Object.create( Geometry.prototype ); - ParametricGeometry.prototype.constructor = ParametricGeometry; + initMaterial( material, fog, object ); + material.needsUpdate = false; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } - function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { + var refreshProgram = false; + var refreshMaterial = false; + var refreshLights = false; - BufferGeometry.call( this ); + var program = materialProperties.program, + p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.__webglShader.uniforms; - this.type = 'PolyhedronBufferGeometry'; + if ( program.id !== _currentProgram ) { - this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail - }; + _gl.useProgram( program.program ); + _currentProgram = program.id; - radius = radius || 1; - detail = detail || 0; + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; - // default buffer data + } - var vertexBuffer = []; - var uvBuffer = []; + if ( material.id !== _currentMaterialId ) { - // the subdivision creates the vertex buffer data + _currentMaterialId = material.id; - subdivide( detail ); + refreshMaterial = true; - // all vertices should lie on a conceptual sphere with a given radius + } - appplyRadius( radius ); + if ( refreshProgram || camera !== _currentCamera ) { - // finally, create the uv data + p_uniforms.set( _gl, camera, 'projectionMatrix' ); - generateUVs(); + if ( capabilities.logarithmicDepthBuffer ) { - // build non-indexed geometry + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); - this.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) ); - this.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) ); - this.normalizeNormals(); + } - this.boundingSphere = new Sphere( new Vector3(), radius ); - // helper functions + if ( camera !== _currentCamera ) { - function subdivide( detail ) { + _currentCamera = camera; - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); + // lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: - // iterate over all faces and apply a subdivison with the given detail value + refreshMaterial = true; // set to true on material change + refreshLights = true; // remains set until update done - for ( var i = 0; i < indices.length; i += 3 ) { + } - // get the vertices of the face + // load material specific uniforms + // (shader material also gets them for the sake of genericity) - getVertexByIndex( indices[ i + 0 ], a ); - getVertexByIndex( indices[ i + 1 ], b ); - getVertexByIndex( indices[ i + 2 ], c ); + if ( material.isShaderMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.envMap ) { - // perform subdivision + var uCamPos = p_uniforms.map.cameraPosition; - subdivideFace( a, b, c, detail ); + if ( uCamPos !== undefined ) { - } + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); - } + } - function subdivideFace( a, b, c, detail ) { + } - var cols = Math.pow( 2, detail ); + if ( material.isMeshPhongMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.skinning ) { - // we use this multidimensional array as a data structure for creating the subdivision + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); - var v = []; + } - var i, j; + p_uniforms.set( _gl, _this, 'toneMappingExposure' ); + p_uniforms.set( _gl, _this, 'toneMappingWhitePoint' ); - // construct all of the vertices for this subdivision + } - for ( i = 0 ; i <= cols; i ++ ) { + // skinning uniforms must be set even if material didn't change + // auto-setting of texture unit for bone texture must go before other textures + // not sure why, but otherwise weird things happen - v[ i ] = []; + if ( material.skinning ) { - var aj = a.clone().lerp( c, i / cols ); - var bj = b.clone().lerp( c, i / cols ); + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); - var rows = cols - i; + var skeleton = object.skeleton; - for ( j = 0; j <= rows; j ++ ) { + if ( skeleton ) { - if ( j === 0 && i === cols ) { + if ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) { - v[ i ][ j ] = aj; + p_uniforms.set( _gl, skeleton, 'boneTexture' ); + p_uniforms.set( _gl, skeleton, 'boneTextureWidth' ); + p_uniforms.set( _gl, skeleton, 'boneTextureHeight' ); } else { - v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' ); } @@ -24494,3231 +26085,2874 @@ } - // construct all of the faces + if ( refreshMaterial ) { - for ( i = 0; i < cols ; i ++ ) { + if ( material.lights ) { - for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + // the current material requires lighting info - var k = Math.floor( j / 2 ); + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required - if ( j % 2 === 0 ) { + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); - pushVertex( v[ i ][ k ] ); + } - } else { + // refresh uniforms common to several materials - pushVertex( v[ i ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k + 1 ] ); - pushVertex( v[ i + 1 ][ k ] ); + if ( fog && material.fog ) { - } + refreshUniformsFog( m_uniforms, fog ); } - } + if ( material.isMeshBasicMaterial || + material.isMeshLambertMaterial || + material.isMeshPhongMaterial || + material.isMeshStandardMaterial || + material.isMeshDepthMaterial ) { - } + refreshUniformsCommon( m_uniforms, material ); - function appplyRadius( radius ) { + } - var vertex = new Vector3(); + // refresh single material specific uniforms - // iterate over the entire buffer and apply the radius to each vertex + if ( material.isLineBasicMaterial ) { - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + refreshUniformsLine( m_uniforms, material ); - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; + } else if ( material.isLineDashedMaterial ) { - vertex.normalize().multiplyScalar( radius ); + refreshUniformsLine( m_uniforms, material ); + refreshUniformsDash( m_uniforms, material ); - vertexBuffer[ i + 0 ] = vertex.x; - vertexBuffer[ i + 1 ] = vertex.y; - vertexBuffer[ i + 2 ] = vertex.z; + } else if ( material.isPointsMaterial ) { - } + refreshUniformsPoints( m_uniforms, material ); - } + } else if ( material.isMeshLambertMaterial ) { - function generateUVs() { + refreshUniformsLambert( m_uniforms, material ); - var vertex = new Vector3(); + } else if ( material.isMeshPhongMaterial ) { - for ( var i = 0; i < vertexBuffer.length; i += 3 ) { + refreshUniformsPhong( m_uniforms, material ); - vertex.x = vertexBuffer[ i + 0 ]; - vertex.y = vertexBuffer[ i + 1 ]; - vertex.z = vertexBuffer[ i + 2 ]; + } else if ( material.isMeshPhysicalMaterial ) { - var u = azimuth( vertex ) / 2 / Math.PI + 0.5; - var v = inclination( vertex ) / Math.PI + 0.5; - uvBuffer.push( u, 1 - v ); + refreshUniformsPhysical( m_uniforms, material ); - } + } else if ( material.isMeshStandardMaterial ) { - correctUVs(); + refreshUniformsStandard( m_uniforms, material ); - correctSeam(); + } else if ( material.isMeshDepthMaterial ) { - } + if ( material.displacementMap ) { - function correctSeam() { + m_uniforms.displacementMap.value = material.displacementMap; + m_uniforms.displacementScale.value = material.displacementScale; + m_uniforms.displacementBias.value = material.displacementBias; - // handle case when face straddles the seam, see #3269 + } - for ( var i = 0; i < uvBuffer.length; i += 6 ) { + } else if ( material.isMeshNormalMaterial ) { - // uv data of a single face + m_uniforms.opacity.value = material.opacity; - var x0 = uvBuffer[ i + 0 ]; - var x1 = uvBuffer[ i + 2 ]; - var x2 = uvBuffer[ i + 4 ]; + } - var max = Math.max( x0, x1, x2 ); - var min = Math.min( x0, x1, x2 ); + WebGLUniforms.upload( + _gl, materialProperties.uniformsList, m_uniforms, _this ); - // 0.9 is somewhat arbitrary + } - if ( max > 0.9 && min < 0.1 ) { - if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; - if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; - if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + // common matrices - } + p_uniforms.set( _gl, object, 'modelViewMatrix' ); + p_uniforms.set( _gl, object, 'normalMatrix' ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); - } + return program; } - function pushVertex( vertex ) { + // Uniforms (refresh uniforms objects) - vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + function refreshUniformsCommon( uniforms, material ) { - } + uniforms.opacity.value = material.opacity; - function getVertexByIndex( index, vertex ) { + uniforms.diffuse.value = material.color; - var stride = index * 3; + if ( material.emissive ) { - vertex.x = vertices[ stride + 0 ]; - vertex.y = vertices[ stride + 1 ]; - vertex.z = vertices[ stride + 2 ]; + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); - } + } - function correctUVs() { + uniforms.map.value = material.map; + uniforms.specularMap.value = material.specularMap; + uniforms.alphaMap.value = material.alphaMap; - var a = new Vector3(); - var b = new Vector3(); - var c = new Vector3(); + if ( material.aoMap ) { - var centroid = new Vector3(); + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; - var uvA = new Vector2(); - var uvB = new Vector2(); - var uvC = new Vector2(); + } - for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + // uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. normal map + // 4. bump map + // 5. alpha map + // 6. emissive map - a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); - b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); - c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + var uvScaleMap; - uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); - uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); - uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + if ( material.map ) { - centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + uvScaleMap = material.map; - var azi = azimuth( centroid ); + } else if ( material.specularMap ) { - correctUV( uvA, j + 0, a, azi ); - correctUV( uvB, j + 2, b, azi ); - correctUV( uvC, j + 4, c, azi ); + uvScaleMap = material.specularMap; - } + } else if ( material.displacementMap ) { - } + uvScaleMap = material.displacementMap; - function correctUV( uv, stride, vector, azimuth ) { + } else if ( material.normalMap ) { - if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + uvScaleMap = material.normalMap; - uvBuffer[ stride ] = uv.x - 1; + } else if ( material.bumpMap ) { - } + uvScaleMap = material.bumpMap; - if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + } else if ( material.roughnessMap ) { - uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + uvScaleMap = material.roughnessMap; - } + } else if ( material.metalnessMap ) { - } + uvScaleMap = material.metalnessMap; - // Angle around the Y axis, counter-clockwise when looking from above. + } else if ( material.alphaMap ) { - function azimuth( vector ) { + uvScaleMap = material.alphaMap; - return Math.atan2( vector.z, - vector.x ); + } else if ( material.emissiveMap ) { - } + uvScaleMap = material.emissiveMap; + } - // Angle above the XZ plane. + if ( uvScaleMap !== undefined ) { - function inclination( vector ) { + // backwards compatibility + if ( uvScaleMap.isWebGLRenderTarget ) { - return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + uvScaleMap = uvScaleMap.texture; - } + } - } + var offset = uvScaleMap.offset; + var repeat = uvScaleMap.repeat; - PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } - function TetrahedronBufferGeometry( radius, detail ) { + uniforms.envMap.value = material.envMap; - var vertices = [ - 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 - ]; + // don't flip CubeTexture envMaps, flip everything else: + // WebGLRenderTargetCube will be flipped for backwards compatibility + // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture + // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future + uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1; - var indices = [ - 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 - ]; + uniforms.reflectivity.value = material.reflectivity; + uniforms.refractionRatio.value = material.refractionRatio; - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + } - this.type = 'TetrahedronBufferGeometry'; + function refreshUniformsLine( uniforms, material ) { - this.parameters = { - radius: radius, - detail: detail - }; + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; - } + } - TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; + function refreshUniformsDash( uniforms, material ) { - /** - * @author timothypratley / https://github.com/timothypratley - */ + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; - function TetrahedronGeometry( radius, detail ) { + } - Geometry.call( this ); + function refreshUniformsPoints( uniforms, material ) { - this.type = 'TetrahedronGeometry'; + uniforms.diffuse.value = material.color; + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * _pixelRatio; + uniforms.scale.value = _height * 0.5; - this.parameters = { - radius: radius, - detail: detail - }; + uniforms.map.value = material.map; - this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + if ( material.map !== null ) { - } + var offset = material.map.offset; + var repeat = material.map.repeat; - TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); - TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; + uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y ); - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } - function OctahedronBufferGeometry( radius,detail ) { + } - var vertices = [ - 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1 - ]; + function refreshUniformsFog( uniforms, fog ) { - var indices = [ - 0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2 - ]; + uniforms.fogColor.value = fog.color; - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + if ( fog.isFog ) { - this.type = 'OctahedronBufferGeometry'; + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; - this.parameters = { - radius: radius, - detail: detail - }; + } else if ( fog.isFogExp2 ) { - } + uniforms.fogDensity.value = fog.density; - OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; + } - /** - * @author timothypratley / https://github.com/timothypratley - */ + } - function OctahedronGeometry( radius, detail ) { + function refreshUniformsLambert( uniforms, material ) { - Geometry.call( this ); + if ( material.lightMap ) { - this.type = 'OctahedronGeometry'; + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; - this.parameters = { - radius: radius, - detail: detail - }; + } - this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + if ( material.emissiveMap ) { - } + uniforms.emissiveMap.value = material.emissiveMap; - OctahedronGeometry.prototype = Object.create( Geometry.prototype ); - OctahedronGeometry.prototype.constructor = OctahedronGeometry; + } - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } - function IcosahedronBufferGeometry( radius, detail ) { + function refreshUniformsPhong( uniforms, material ) { - var t = ( 1 + Math.sqrt( 5 ) ) / 2; + uniforms.specular.value = material.specular; + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) - var vertices = [ - - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, - 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, - t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 - ]; + if ( material.lightMap ) { - var indices = [ - 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, - 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, - 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, - 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 - ]; + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + } - this.type = 'IcosahedronBufferGeometry'; + if ( material.emissiveMap ) { - this.parameters = { - radius: radius, - detail: detail - }; + uniforms.emissiveMap.value = material.emissiveMap; - } + } - IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; + if ( material.bumpMap ) { - /** - * @author timothypratley / https://github.com/timothypratley - */ + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; - function IcosahedronGeometry( radius, detail ) { + } - Geometry.call( this ); + if ( material.normalMap ) { - this.type = 'IcosahedronGeometry'; + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); - this.parameters = { - radius: radius, - detail: detail - }; + } - this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + if ( material.displacementMap ) { - } + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; - IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); - IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; + } - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } - function DodecahedronBufferGeometry( radius, detail ) { + function refreshUniformsStandard( uniforms, material ) { - var t = ( 1 + Math.sqrt( 5 ) ) / 2; - var r = 1 / t; + uniforms.roughness.value = material.roughness; + uniforms.metalness.value = material.metalness; - var vertices = [ + if ( material.roughnessMap ) { - // (±1, ±1, ±1) - - 1, - 1, - 1, - 1, - 1, 1, - - 1, 1, - 1, - 1, 1, 1, - 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, 1, 1, 1, + uniforms.roughnessMap.value = material.roughnessMap; - // (0, ±1/φ, ±φ) - 0, - r, - t, 0, - r, t, - 0, r, - t, 0, r, t, + } - // (±1/φ, ±φ, 0) - - r, - t, 0, - r, t, 0, - r, - t, 0, r, t, 0, + if ( material.metalnessMap ) { - // (±φ, 0, ±1/φ) - - t, 0, - r, t, 0, - r, - - t, 0, r, t, 0, r - ]; + uniforms.metalnessMap.value = material.metalnessMap; - var indices = [ - 3, 11, 7, 3, 7, 15, 3, 15, 13, - 7, 19, 17, 7, 17, 6, 7, 6, 15, - 17, 4, 8, 17, 8, 10, 17, 10, 6, - 8, 0, 16, 8, 16, 2, 8, 2, 10, - 0, 12, 1, 0, 1, 18, 0, 18, 16, - 6, 10, 2, 6, 2, 13, 6, 13, 15, - 2, 16, 18, 2, 18, 3, 2, 3, 13, - 18, 1, 9, 18, 9, 11, 18, 11, 3, - 4, 14, 12, 4, 12, 0, 4, 0, 8, - 11, 9, 5, 11, 5, 19, 11, 19, 7, - 19, 5, 14, 19, 14, 4, 19, 4, 17, - 1, 12, 14, 1, 14, 5, 1, 5, 9 - ]; + } - PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); + if ( material.lightMap ) { - this.type = 'DodecahedronBufferGeometry'; + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; - this.parameters = { - radius: radius, - detail: detail - }; + } - } + if ( material.emissiveMap ) { - DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); - DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; + uniforms.emissiveMap.value = material.emissiveMap; - /** - * @author Abe Pazos / https://hamoid.com - */ + } - function DodecahedronGeometry( radius, detail ) { + if ( material.bumpMap ) { - Geometry.call( this ); + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; - this.type = 'DodecahedronGeometry'; + } - this.parameters = { - radius: radius, - detail: detail - }; + if ( material.normalMap ) { - this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); - this.mergeVertices(); + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); - } + } - DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); - DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; + if ( material.displacementMap ) { - /** - * @author clockworkgeek / https://github.com/clockworkgeek - * @author timothypratley / https://github.com/timothypratley - * @author WestLangley / http://github.com/WestLangley - */ + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; - function PolyhedronGeometry( vertices, indices, radius, detail ) { + } - Geometry.call( this ); + if ( material.envMap ) { - this.type = 'PolyhedronGeometry'; + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; - this.parameters = { - vertices: vertices, - indices: indices, - radius: radius, - detail: detail - }; + } - this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); - this.mergeVertices(); + } - } + function refreshUniformsPhysical( uniforms, material ) { - PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); - PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; + uniforms.clearCoat.value = material.clearCoat; + uniforms.clearCoatRoughness.value = material.clearCoatRoughness; - /** - * @author Mugen87 / https://github.com/Mugen87 - * - * Creates a tube which extrudes along a 3d spline. - * - */ + refreshUniformsStandard( uniforms, material ); - function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { + } - BufferGeometry.call( this ); + // If uniforms are marked as clean, they don't need to be loaded to the GPU. - this.type = 'TubeBufferGeometry'; + function markUniformsLightsNeedsUpdate( uniforms, value ) { - this.parameters = { - path: path, - tubularSegments: tubularSegments, - radius: radius, - radialSegments: radialSegments, - closed: closed - }; + uniforms.ambientLightColor.needsUpdate = value; - tubularSegments = tubularSegments || 64; - radius = radius || 1; - radialSegments = radialSegments || 8; - closed = closed || false; + uniforms.directionalLights.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; - var frames = path.computeFrenetFrames( tubularSegments, closed ); + } - // expose internals + // Lighting - this.tangents = frames.tangents; - this.normals = frames.normals; - this.binormals = frames.binormals; + function setupShadows( lights ) { - // helper variables + var lightShadowsLength = 0; - var vertex = new Vector3(); - var normal = new Vector3(); - var uv = new Vector2(); + for ( var i = 0, l = lights.length; i < l; i ++ ) { - var i, j; + var light = lights[ i ]; - // buffer + if ( light.castShadow ) { - var vertices = []; - var normals = []; - var uvs = []; - var indices = []; + _lights.shadows[ lightShadowsLength ++ ] = light; - // create buffer data + } - generateBufferData(); + } - // build geometry + _lights.shadows.length = lightShadowsLength; - this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); - this.addAttribute( 'normal', Float32Attribute( normals, 3 ) ); - this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); + } - // functions + function setupLights( lights, camera ) { - function generateBufferData() { + var l, ll, light, + r = 0, g = 0, b = 0, + color, + intensity, + distance, + shadowMap, - for ( i = 0; i < tubularSegments; i ++ ) { + viewMatrix = camera.matrixWorldInverse, - generateSegment( i ); + directionalLength = 0, + pointLength = 0, + spotLength = 0, + hemiLength = 0; - } + for ( l = 0, ll = lights.length; l < ll; l ++ ) { - // if the geometry is not closed, generate the last row of vertices and normals - // at the regular position on the given path - // - // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + light = lights[ l ]; - generateSegment( ( closed === false ) ? tubularSegments : 0 ); + color = light.color; + intensity = light.intensity; + distance = light.distance; - // uvs are generated in a separate function. - // this makes it easy compute correct values for closed geometries + shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; - generateUVs(); + if ( light.isAmbientLight ) { - // finally create faces + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; - generateIndices(); + } else if ( light.isDirectionalLight ) { - } + var uniforms = lightCache.get( light ); - function generateSegment( i ) { + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); - // we use getPointAt to sample evenly distributed points from the given path + uniforms.shadow = light.castShadow; - var P = path.getPointAt( i / tubularSegments ); + if ( light.castShadow ) { - // retrieve corresponding normal and binormal + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - var N = frames.normals[ i ]; - var B = frames.binormals[ i ]; + } - // generate normals and vertices for the current segment + _lights.directionalShadowMap[ directionalLength ] = shadowMap; + _lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + _lights.directional[ directionalLength ++ ] = uniforms; - for ( j = 0; j <= radialSegments; j ++ ) { + } else if ( light.isSpotLight ) { - var v = j / radialSegments * Math.PI * 2; + var uniforms = lightCache.get( light ); - var sin = Math.sin( v ); - var cos = - Math.cos( v ); + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); - // normal + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.distance = distance; - normal.x = ( cos * N.x + sin * B.x ); - normal.y = ( cos * N.y + sin * B.y ); - normal.z = ( cos * N.z + sin * B.z ); - normal.normalize(); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + _vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( _vector3 ); + uniforms.direction.transformDirection( viewMatrix ); - normals.push( normal.x, normal.y, normal.z ); + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; - // vertex + uniforms.shadow = light.castShadow; - vertex.x = P.x + radius * normal.x; - vertex.y = P.y + radius * normal.y; - vertex.z = P.z + radius * normal.z; + if ( light.castShadow ) { - vertices.push( vertex.x, vertex.y, vertex.z ); + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - } + } - } + _lights.spotShadowMap[ spotLength ] = shadowMap; + _lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + _lights.spot[ spotLength ++ ] = uniforms; - function generateIndices() { + } else if ( light.isPointLight ) { - for ( j = 1; j <= tubularSegments; j ++ ) { + var uniforms = lightCache.get( light ); - for ( i = 1; i <= radialSegments; i ++ ) { + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.distance = light.distance; + uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay; - // faces + uniforms.shadow = light.castShadow; - indices.push( a, b, d ); - indices.push( b, c, d ); + if ( light.castShadow ) { - } + uniforms.shadowBias = light.shadow.bias; + uniforms.shadowRadius = light.shadow.radius; + uniforms.shadowMapSize = light.shadow.mapSize; - } + } - } + _lights.pointShadowMap[ pointLength ] = shadowMap; - function generateUVs() { + if ( _lights.pointShadowMatrix[ pointLength ] === undefined ) { - for ( i = 0; i <= tubularSegments; i ++ ) { + _lights.pointShadowMatrix[ pointLength ] = new Matrix4(); - for ( j = 0; j <= radialSegments; j ++ ) { + } - uv.x = i / tubularSegments; - uv.y = j / radialSegments; + // for point lights we set the shadow matrix to be a translation-only matrix + // equal to inverse of the light's position + _vector3.setFromMatrixPosition( light.matrixWorld ).negate(); + _lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 ); - uvs.push( uv.x, uv.y ); + _lights.point[ pointLength ++ ] = uniforms; + + } else if ( light.isHemisphereLight ) { + + var uniforms = lightCache.get( light ); + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + uniforms.direction.normalize(); + + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + + _lights.hemi[ hemiLength ++ ] = uniforms; } } - } + _lights.ambient[ 0 ] = r; + _lights.ambient[ 1 ] = g; + _lights.ambient[ 2 ] = b; - } + _lights.directional.length = directionalLength; + _lights.spot.length = spotLength; + _lights.point.length = pointLength; + _lights.hemi.length = hemiLength; - TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; + _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length; - /** - * @author oosmoxiecode / https://github.com/oosmoxiecode - * @author WestLangley / https://github.com/WestLangley - * @author zz85 / https://github.com/zz85 - * @author miningold / https://github.com/miningold - * @author jonobr1 / https://github.com/jonobr1 - * - * Creates a tube which extrudes along a 3d spline. - */ + } - function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { + // GL state setting - Geometry.call( this ); + this.setFaceCulling = function ( cullFace, frontFaceDirection ) { - this.type = 'TubeGeometry'; + state.setCullFace( cullFace ); + state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW ); - this.parameters = { - path: path, - tubularSegments: tubularSegments, - radius: radius, - radialSegments: radialSegments, - closed: closed }; - if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); + // Textures - var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); + function allocTextureUnit() { - // expose internals + var textureUnit = _usedTextureUnits; - this.tangents = bufferGeometry.tangents; - this.normals = bufferGeometry.normals; - this.binormals = bufferGeometry.binormals; + if ( textureUnit >= capabilities.maxTextures ) { - // create geometry + console.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); - this.fromBufferGeometry( bufferGeometry ); - this.mergeVertices(); + } - } + _usedTextureUnits += 1; - TubeGeometry.prototype = Object.create( Geometry.prototype ); - TubeGeometry.prototype.constructor = TubeGeometry; - - /** - * @author Mugen87 / https://github.com/Mugen87 - * - * see: http://www.blackpawn.com/texts/pqtorus/ - */ - function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { - - BufferGeometry.call( this ); - - this.type = 'TorusKnotBufferGeometry'; - - this.parameters = { - radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q - }; + return textureUnit; - radius = radius || 100; - tube = tube || 40; - tubularSegments = Math.floor( tubularSegments ) || 64; - radialSegments = Math.floor( radialSegments ) || 8; - p = p || 2; - q = q || 3; + } - // used to calculate buffer length - var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); - var indexCount = radialSegments * tubularSegments * 2 * 3; + this.allocTextureUnit = allocTextureUnit; - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + // this.setTexture2D = setTexture2D; + this.setTexture2D = ( function() { - // helper variables - var i, j, index = 0, indexOffset = 0; + var warned = false; - var vertex = new Vector3(); - var normal = new Vector3(); - var uv = new Vector2(); + // backwards compatibility: peel texture.texture + return function setTexture2D( texture, slot ) { - var P1 = new Vector3(); - var P2 = new Vector3(); + if ( texture && texture.isWebGLRenderTarget ) { - var B = new Vector3(); - var T = new Vector3(); - var N = new Vector3(); + if ( ! warned ) { - // generate vertices, normals and uvs + console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." ); + warned = true; - for ( i = 0; i <= tubularSegments; ++ i ) { + } - // the radian "u" is used to calculate the position on the torus curve of the current tubular segement + texture = texture.texture; - var u = i / tubularSegments * p * Math.PI * 2; + } - // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. - // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + textures.setTexture2D( texture, slot ); - calculatePositionOnCurve( u, p, q, radius, P1 ); - calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + }; - // calculate orthonormal basis + }() ); - T.subVectors( P2, P1 ); - N.addVectors( P2, P1 ); - B.crossVectors( T, N ); - N.crossVectors( B, T ); + this.setTexture = ( function() { - // normalize B, N. T can be ignored, we don't use it + var warned = false; - B.normalize(); - N.normalize(); + return function setTexture( texture, slot ) { - for ( j = 0; j <= radialSegments; ++ j ) { + if ( ! warned ) { - // now calculate the vertices. they are nothing more than an extrusion of the torus curve. - // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." ); + warned = true; - var v = j / radialSegments * Math.PI * 2; - var cx = - tube * Math.cos( v ); - var cy = tube * Math.sin( v ); + } - // now calculate the final vertex position. - // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve + textures.setTexture2D( texture, slot ); - vertex.x = P1.x + ( cx * N.x + cy * B.x ); - vertex.y = P1.y + ( cx * N.y + cy * B.y ); - vertex.z = P1.z + ( cx * N.z + cy * B.z ); + }; - // vertex - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + }() ); - // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) - normal.subVectors( vertex, P1 ).normalize(); - normals.setXYZ( index, normal.x, normal.y, normal.z ); + this.setTextureCube = ( function() { - // uv - uv.x = i / tubularSegments; - uv.y = j / radialSegments; - uvs.setXY( index, uv.x, uv.y ); + var warned = false; - // increase index - index ++; + return function setTextureCube( texture, slot ) { - } + // backwards compatibility: peel texture.texture + if ( texture && texture.isWebGLRenderTargetCube ) { - } + if ( ! warned ) { - // generate indices + console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." ); + warned = true; - for ( j = 1; j <= tubularSegments; j ++ ) { + } - for ( i = 1; i <= radialSegments; i ++ ) { + texture = texture.texture; - // indices - var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); - var b = ( radialSegments + 1 ) * j + ( i - 1 ); - var c = ( radialSegments + 1 ) * j + i; - var d = ( radialSegments + 1 ) * ( j - 1 ) + i; + } - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture + // TODO: unify these code paths + if ( ( texture && texture.isCubeTexture ) || + ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) { - // face two - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + // CompressedTexture can have Array in image :/ - } + // this function alone should take care of cube textures + textures.setTextureCube( texture, slot ); - } + } else { - // build geometry + // assumed: texture property of THREE.WebGLRenderTargetCube - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + textures.setTextureCubeDynamic( texture, slot ); - // this function calculates the current position on the torus curve + } - function calculatePositionOnCurve( u, p, q, radius, position ) { + }; - var cu = Math.cos( u ); - var su = Math.sin( u ); - var quOverP = q / p * u; - var cs = Math.cos( quOverP ); + }() ); - position.x = radius * ( 2 + cs ) * 0.5 * cu; - position.y = radius * ( 2 + cs ) * su * 0.5; - position.z = radius * Math.sin( quOverP ) * 0.5; + this.getCurrentRenderTarget = function() { - } + return _currentRenderTarget; - } + }; - TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; + this.setRenderTarget = function ( renderTarget ) { - /** - * @author oosmoxiecode - */ + _currentRenderTarget = renderTarget; - function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { + if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) { - Geometry.call( this ); + textures.setupRenderTarget( renderTarget ); - this.type = 'TorusKnotGeometry'; + } - this.parameters = { - radius: radius, - tube: tube, - tubularSegments: tubularSegments, - radialSegments: radialSegments, - p: p, - q: q - }; + var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube ); + var framebuffer; - if( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); + if ( renderTarget ) { - this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); - this.mergeVertices(); + var renderTargetProperties = properties.get( renderTarget ); - } + if ( isCube ) { - TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); - TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; + framebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ]; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + } else { - function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + framebuffer = renderTargetProperties.__webglFramebuffer; - BufferGeometry.call( this ); + } - this.type = 'TorusBufferGeometry'; + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; + _currentViewport.copy( renderTarget.viewport ); - radius = radius || 100; - tube = tube || 40; - radialSegments = Math.floor( radialSegments ) || 8; - tubularSegments = Math.floor( tubularSegments ) || 6; - arc = arc || Math.PI * 2; + } else { - // used to calculate buffer length - var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); - var indexCount = radialSegments * tubularSegments * 2 * 3; + framebuffer = null; - // buffers - var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); - var vertices = new Float32Array( vertexCount * 3 ); - var normals = new Float32Array( vertexCount * 3 ); - var uvs = new Float32Array( vertexCount * 2 ); + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ); + _currentScissorTest = _scissorTest; - // offset variables - var vertexBufferOffset = 0; - var uvBufferOffset = 0; - var indexBufferOffset = 0; + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ); - // helper variables - var center = new Vector3(); - var vertex = new Vector3(); - var normal = new Vector3(); + } - var j, i; + if ( _currentFramebuffer !== framebuffer ) { - // generate vertices, normals and uvs + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + _currentFramebuffer = framebuffer; - for ( j = 0; j <= radialSegments; j ++ ) { + } - for ( i = 0; i <= tubularSegments; i ++ ) { + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); - var u = i / tubularSegments * arc; - var v = j / radialSegments * Math.PI * 2; + state.viewport( _currentViewport ); - // vertex - vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); - vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); - vertex.z = tube * Math.sin( v ); + if ( isCube ) { - vertices[ vertexBufferOffset ] = vertex.x; - vertices[ vertexBufferOffset + 1 ] = vertex.y; - vertices[ vertexBufferOffset + 2 ] = vertex.z; + var textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel ); - // this vector is used to calculate the normal - center.x = radius * Math.cos( u ); - center.y = radius * Math.sin( u ); + } - // normal - normal.subVectors( vertex, center ).normalize(); + }; - normals[ vertexBufferOffset ] = normal.x; - normals[ vertexBufferOffset + 1 ] = normal.y; - normals[ vertexBufferOffset + 2 ] = normal.z; + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) { - // uv - uvs[ uvBufferOffset ] = i / tubularSegments; - uvs[ uvBufferOffset + 1 ] = j / radialSegments; + if ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) { - // update offsets - vertexBufferOffset += 3; - uvBufferOffset += 2; + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; } - } + var framebuffer = properties.get( renderTarget ).__webglFramebuffer; - // generate indices + if ( framebuffer ) { - for ( j = 1; j <= radialSegments; j ++ ) { + var restore = false; - for ( i = 1; i <= tubularSegments; i ++ ) { + if ( framebuffer !== _currentFramebuffer ) { - // indices - var a = ( tubularSegments + 1 ) * j + i - 1; - var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; - var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; - var d = ( tubularSegments + 1 ) * j + i; + _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); - // face one - indices[ indexBufferOffset ] = a; - indices[ indexBufferOffset + 1 ] = b; - indices[ indexBufferOffset + 2 ] = d; + restore = true; - // face two - indices[ indexBufferOffset + 3 ] = b; - indices[ indexBufferOffset + 4 ] = c; - indices[ indexBufferOffset + 5 ] = d; + } - // update offset - indexBufferOffset += 6; + try { - } + var texture = renderTarget.texture; + var textureFormat = texture.format; + var textureType = texture.type; - } + if ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { - // build geometry - this.setIndex( new BufferAttribute( indices, 1 ) ); - this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; - } + } - TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; + if ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) { - /** - * @author oosmoxiecode - * @author mrdoob / http://mrdoob.com/ - * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 - */ + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; - function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { + } - Geometry.call( this ); + if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) { - this.type = 'TorusGeometry'; + // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) - this.parameters = { - radius: radius, - tube: tube, - radialSegments: radialSegments, - tubularSegments: tubularSegments, - arc: arc - }; + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { - this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); + _gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer ); - } + } - TorusGeometry.prototype = Object.create( Geometry.prototype ); - TorusGeometry.prototype.constructor = TorusGeometry; + } else { - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - */ + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' ); - var ShapeUtils = { + } - // calculate area of the contour polygon + } finally { - area: function ( contour ) { + if ( restore ) { - var n = contour.length; - var a = 0.0; + _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer ); - for ( var p = n - 1, q = 0; q < n; p = q ++ ) { + } - a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + } } - return a * 0.5; + }; - }, + // Map three.js constants to WebGL constants - triangulate: ( function () { + function paramThreeToGL( p ) { - /** - * This code is a quick port of code written in C++ which was submitted to - * flipcode.com by John W. Ratcliff // July 22, 2000 - * See original code and more information here: - * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml - * - * ported to actionscript by Zevan Rosser - * www.actionsnippet.com - * - * ported to javascript by Joshua Koo - * http://www.lab4games.net/zz85/blog - * - */ + var extension; - function snip( contour, u, v, w, n, verts ) { + if ( p === RepeatWrapping ) return _gl.REPEAT; + if ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE; + if ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT; - var p; - var ax, ay, bx, by; - var cx, cy, px, py; + if ( p === NearestFilter ) return _gl.NEAREST; + if ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST; + if ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR; - ax = contour[ verts[ u ] ].x; - ay = contour[ verts[ u ] ].y; + if ( p === LinearFilter ) return _gl.LINEAR; + if ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST; + if ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR; - bx = contour[ verts[ v ] ].x; - by = contour[ verts[ v ] ].y; + if ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5; - cx = contour[ verts[ w ] ].x; - cy = contour[ verts[ w ] ].y; + if ( p === ByteType ) return _gl.BYTE; + if ( p === ShortType ) return _gl.SHORT; + if ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT; + if ( p === IntType ) return _gl.INT; + if ( p === UnsignedIntType ) return _gl.UNSIGNED_INT; + if ( p === FloatType ) return _gl.FLOAT; - if ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false; + if ( p === HalfFloatType ) { - var aX, aY, bX, bY, cX, cY; - var apx, apy, bpx, bpy, cpx, cpy; - var cCROSSap, bCROSScp, aCROSSbp; + extension = extensions.get( 'OES_texture_half_float' ); - aX = cx - bx; aY = cy - by; - bX = ax - cx; bY = ay - cy; - cX = bx - ax; cY = by - ay; + if ( extension !== null ) return extension.HALF_FLOAT_OES; - for ( p = 0; p < n; p ++ ) { + } - px = contour[ verts[ p ] ].x; - py = contour[ verts[ p ] ].y; + if ( p === AlphaFormat ) return _gl.ALPHA; + if ( p === RGBFormat ) return _gl.RGB; + if ( p === RGBAFormat ) return _gl.RGBA; + if ( p === LuminanceFormat ) return _gl.LUMINANCE; + if ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA; + if ( p === DepthFormat ) return _gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL; - if ( ( ( px === ax ) && ( py === ay ) ) || - ( ( px === bx ) && ( py === by ) ) || - ( ( px === cx ) && ( py === cy ) ) ) continue; + if ( p === AddEquation ) return _gl.FUNC_ADD; + if ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT; + if ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT; - apx = px - ax; apy = py - ay; - bpx = px - bx; bpy = py - by; - cpx = px - cx; cpy = py - cy; + if ( p === ZeroFactor ) return _gl.ZERO; + if ( p === OneFactor ) return _gl.ONE; + if ( p === SrcColorFactor ) return _gl.SRC_COLOR; + if ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR; + if ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA; + if ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA; + if ( p === DstAlphaFactor ) return _gl.DST_ALPHA; + if ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA; - // see if p is inside triangle abc + if ( p === DstColorFactor ) return _gl.DST_COLOR; + if ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR; + if ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE; - aCROSSbp = aX * bpy - aY * bpx; - cCROSSap = cX * apy - cY * apx; - bCROSScp = bX * cpy - bY * cpx; + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || + p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { - if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false; + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); - } + if ( extension !== null ) { - return true; + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + + } } - // takes in an contour array and returns + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || + p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { - return function triangulate( contour, indices ) { + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - var n = contour.length; + if ( extension !== null ) { - if ( n < 3 ) return null; + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; - var result = [], - verts = [], - vertIndices = []; + } - /* we want a counter-clockwise polygon in verts */ + } - var u, v, w; + if ( p === RGB_ETC1_Format ) { - if ( ShapeUtils.area( contour ) > 0.0 ) { + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); - for ( v = 0; v < n; v ++ ) verts[ v ] = v; + if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL; - } else { + } - for ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v; + if ( p === MinEquation || p === MaxEquation ) { - } + extension = extensions.get( 'EXT_blend_minmax' ); - var nv = n; + if ( extension !== null ) { - /* remove nv - 2 vertices, creating 1 triangle every time */ + if ( p === MinEquation ) return extension.MIN_EXT; + if ( p === MaxEquation ) return extension.MAX_EXT; - var count = 2 * nv; /* error detection */ + } - for ( v = nv - 1; nv > 2; ) { + } - /* if we loop, it is probably a non-simple polygon */ + if ( p === UnsignedInt248Type ) { - if ( ( count -- ) <= 0 ) { + extension = extensions.get( 'WEBGL_depth_texture' ); - //** Triangulate: ERROR - probable bad polygon! + if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL; - //throw ( "Warning, unable to triangulate polygon!" ); - //return null; - // Sometimes warning is fine, especially polygons are triangulated in reverse. - console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' ); + } - if ( indices ) return vertIndices; - return result; + return 0; - } + } - /* three consecutive vertices in current polygon, */ + } - u = v; if ( nv <= u ) u = 0; /* previous */ - v = u + 1; if ( nv <= v ) v = 0; /* new v */ - w = v + 1; if ( nv <= w ) w = 0; /* next */ + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - if ( snip( contour, u, v, w, nv, verts ) ) { + function FogExp2 ( color, density ) { - var a, b, c, s, t; + this.name = ''; - /* true names of the vertices */ + this.color = new Color( color ); + this.density = ( density !== undefined ) ? density : 0.00025; - a = verts[ u ]; - b = verts[ v ]; - c = verts[ w ]; + } - /* output Triangle */ + FogExp2.prototype.isFogExp2 = true; - result.push( [ contour[ a ], - contour[ b ], - contour[ c ] ] ); + FogExp2.prototype.clone = function () { + return new FogExp2( this.color.getHex(), this.density ); - vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] ); + }; - /* remove v from the remaining polygon */ + FogExp2.prototype.toJSON = function ( meta ) { - for ( s = v, t = v + 1; t < nv; s ++, t ++ ) { + return { + type: 'FogExp2', + color: this.color.getHex(), + density: this.density + }; - verts[ s ] = verts[ t ]; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - nv --; + function Fog ( color, near, far ) { - /* reset error detection counter */ + this.name = ''; - count = 2 * nv; + this.color = new Color( color ); - } + this.near = ( near !== undefined ) ? near : 1; + this.far = ( far !== undefined ) ? far : 1000; - } + } - if ( indices ) return vertIndices; - return result; + Fog.prototype.isFog = true; - } + Fog.prototype.clone = function () { - } )(), + return new Fog( this.color.getHex(), this.near, this.far ); - triangulateShape: function ( contour, holes ) { + }; - function removeDupEndPts(points) { + Fog.prototype.toJSON = function ( meta ) { - var l = points.length; + return { + type: 'Fog', + color: this.color.getHex(), + near: this.near, + far: this.far + }; - if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + }; - points.pop(); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function Scene () { - } + Object3D.call( this ); - removeDupEndPts( contour ); - holes.forEach( removeDupEndPts ); + this.type = 'Scene'; - function point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) { + this.background = null; + this.fog = null; + this.overrideMaterial = null; - // inOtherPt needs to be collinear to the inSegment - if ( inSegPt1.x !== inSegPt2.x ) { + this.autoUpdate = true; // checked by the renderer - if ( inSegPt1.x < inSegPt2.x ) { + } - return ( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) ); + Scene.prototype = Object.create( Object3D.prototype ); - } else { + Scene.prototype.constructor = Scene; - return ( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) ); + Scene.prototype.copy = function ( source, recursive ) { - } + Object3D.prototype.copy.call( this, source, recursive ); - } else { + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); - if ( inSegPt1.y < inSegPt2.y ) { + this.autoUpdate = source.autoUpdate; + this.matrixAutoUpdate = source.matrixAutoUpdate; - return ( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) ); + return this; - } else { + }; - return ( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) ); + Scene.prototype.toJSON = function ( meta ) { - } + var data = Object3D.prototype.toJSON.call( this, meta ); - } + if ( this.background !== null ) data.object.background = this.background.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); - } + return data; - function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) { + }; - var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y; - var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - var seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x; - var seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y; + function LensFlare( texture, size, distance, blending, color ) { - var limit = seg1dy * seg2dx - seg1dx * seg2dy; - var perpSeg1 = seg1dy * seg1seg2dx - seg1dx * seg1seg2dy; + Object3D.call( this ); - if ( Math.abs( limit ) > Number.EPSILON ) { + this.lensFlares = []; - // not parallel + this.positionScreen = new Vector3(); + this.customUpdateCallback = undefined; - var perpSeg2; - if ( limit > 0 ) { + if ( texture !== undefined ) { - if ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) return []; - perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; - if ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) return []; + this.add( texture, size, distance, blending, color ); - } else { + } - if ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) return []; - perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; - if ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) return []; + } - } + LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), { - // i.e. to reduce rounding errors - // intersection at endpoint of segment#1? - if ( perpSeg2 === 0 ) { + constructor: LensFlare, - if ( ( inExcludeAdjacentSegs ) && - ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; - return [ inSeg1Pt1 ]; + isLensFlare: true, - } - if ( perpSeg2 === limit ) { + copy: function ( source ) { - if ( ( inExcludeAdjacentSegs ) && - ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; - return [ inSeg1Pt2 ]; + Object3D.prototype.copy.call( this, source ); - } - // intersection at endpoint of segment#2? - if ( perpSeg1 === 0 ) return [ inSeg2Pt1 ]; - if ( perpSeg1 === limit ) return [ inSeg2Pt2 ]; + this.positionScreen.copy( source.positionScreen ); + this.customUpdateCallback = source.customUpdateCallback; - // return real intersection point - var factorSeg1 = perpSeg2 / limit; - return [ { x: inSeg1Pt1.x + factorSeg1 * seg1dx, - y: inSeg1Pt1.y + factorSeg1 * seg1dy } ]; + for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) { - } else { + this.lensFlares.push( source.lensFlares[ i ] ); - // parallel or collinear - if ( ( perpSeg1 !== 0 ) || - ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) return []; + } - // they are collinear or degenerate - var seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) ); // segment1 is just a point? - var seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) ); // segment2 is just a point? - // both segments are points - if ( seg1Pt && seg2Pt ) { + return this; - if ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) || - ( inSeg1Pt1.y !== inSeg2Pt1.y ) ) return []; // they are distinct points - return [ inSeg1Pt1 ]; // they are the same point + }, - } - // segment#1 is a single point - if ( seg1Pt ) { + add: function ( texture, size, distance, blending, color, opacity ) { - if ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) ) return []; // but not in segment#2 - return [ inSeg1Pt1 ]; + if ( size === undefined ) size = - 1; + if ( distance === undefined ) distance = 0; + if ( opacity === undefined ) opacity = 1; + if ( color === undefined ) color = new Color( 0xffffff ); + if ( blending === undefined ) blending = NormalBlending; - } - // segment#2 is a single point - if ( seg2Pt ) { + distance = Math.min( distance, Math.max( 0, distance ) ); - if ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) ) return []; // but not in segment#1 - return [ inSeg2Pt1 ]; + this.lensFlares.push( { + texture: texture, // THREE.Texture + size: size, // size in pixels (-1 = use texture.width) + distance: distance, // distance (0-1) from light source (0=at light source) + x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back + scale: 1, // scale + rotation: 0, // rotation + opacity: opacity, // opacity + color: color, // color + blending: blending // blending + } ); - } + }, - // they are collinear segments, which might overlap - var seg1min, seg1max, seg1minVal, seg1maxVal; - var seg2min, seg2max, seg2minVal, seg2maxVal; - if ( seg1dx !== 0 ) { + /* + * Update lens flares update positions on all flares based on the screen position + * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way. + */ - // the segments are NOT on a vertical line - if ( inSeg1Pt1.x < inSeg1Pt2.x ) { + updateLensFlares: function () { - seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x; - seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x; + var f, fl = this.lensFlares.length; + var flare; + var vecX = - this.positionScreen.x * 2; + var vecY = - this.positionScreen.y * 2; - } else { + for ( f = 0; f < fl; f ++ ) { - seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x; - seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x; + flare = this.lensFlares[ f ]; - } - if ( inSeg2Pt1.x < inSeg2Pt2.x ) { + flare.x = this.positionScreen.x + vecX * flare.distance; + flare.y = this.positionScreen.y + vecY * flare.distance; - seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x; - seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x; + flare.wantedRotation = flare.x * Math.PI * 0.25; + flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25; - } else { + } - seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x; - seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x; + } - } + } ); - } else { + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * uvOffset: new THREE.Vector2(), + * uvScale: new THREE.Vector2() + * } + */ - // the segments are on a vertical line - if ( inSeg1Pt1.y < inSeg1Pt2.y ) { + function SpriteMaterial( parameters ) { - seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y; - seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y; + Material.call( this ); - } else { + this.type = 'SpriteMaterial'; - seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y; - seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y; + this.color = new Color( 0xffffff ); + this.map = null; - } - if ( inSeg2Pt1.y < inSeg2Pt2.y ) { + this.rotation = 0; - seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y; - seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y; + this.fog = false; + this.lights = false; - } else { + this.setValues( parameters ); - seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y; - seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y; + } - } + SpriteMaterial.prototype = Object.create( Material.prototype ); + SpriteMaterial.prototype.constructor = SpriteMaterial; - } - if ( seg1minVal <= seg2minVal ) { + SpriteMaterial.prototype.copy = function ( source ) { - if ( seg1maxVal < seg2minVal ) return []; - if ( seg1maxVal === seg2minVal ) { + Material.prototype.copy.call( this, source ); - if ( inExcludeAdjacentSegs ) return []; - return [ seg2min ]; + this.color.copy( source.color ); + this.map = source.map; - } - if ( seg1maxVal <= seg2maxVal ) return [ seg2min, seg1max ]; - return [ seg2min, seg2max ]; + this.rotation = source.rotation; - } else { + return this; - if ( seg1minVal > seg2maxVal ) return []; - if ( seg1minVal === seg2maxVal ) { + }; - if ( inExcludeAdjacentSegs ) return []; - return [ seg1min ]; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + */ - } - if ( seg1maxVal <= seg2maxVal ) return [ seg1min, seg1max ]; - return [ seg1min, seg2max ]; + function Sprite( material ) { - } + Object3D.call( this ); - } + this.type = 'Sprite'; - } + this.material = ( material !== undefined ) ? material : new SpriteMaterial(); - function isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) { + } - // The order of legs is important + Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), { - // translation of all points, so that Vertex is at (0,0) - var legFromPtX = inLegFromPt.x - inVertex.x, legFromPtY = inLegFromPt.y - inVertex.y; - var legToPtX = inLegToPt.x - inVertex.x, legToPtY = inLegToPt.y - inVertex.y; - var otherPtX = inOtherPt.x - inVertex.x, otherPtY = inOtherPt.y - inVertex.y; + constructor: Sprite, - // main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg. - var from2toAngle = legFromPtX * legToPtY - legFromPtY * legToPtX; - var from2otherAngle = legFromPtX * otherPtY - legFromPtY * otherPtX; + isSprite: true, - if ( Math.abs( from2toAngle ) > Number.EPSILON ) { + raycast: ( function () { - // angle != 180 deg. + var matrixPosition = new Vector3(); - var other2toAngle = otherPtX * legToPtY - otherPtY * legToPtX; - // console.log( "from2to: " + from2toAngle + ", from2other: " + from2otherAngle + ", other2to: " + other2toAngle ); + return function raycast( raycaster, intersects ) { - if ( from2toAngle > 0 ) { + matrixPosition.setFromMatrixPosition( this.matrixWorld ); - // main angle < 180 deg. - return ( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) ); + var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition ); + var guessSizeSq = this.scale.x * this.scale.y / 4; - } else { + if ( distanceSq > guessSizeSq ) { - // main angle > 180 deg. - return ( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) ); + return; - } + } - } else { + intersects.push( { - // angle == 180 deg. - // console.log( "from2to: 180 deg., from2other: " + from2otherAngle ); - return ( from2otherAngle > 0 ); + distance: Math.sqrt( distanceSq ), + point: this.position, + face: null, + object: this - } + } ); - } + }; + }() ), - function removeHoles( contour, holes ) { + clone: function () { - var shape = contour.concat(); // work on this shape - var hole; + return new this.constructor( this.material ).copy( this ); - function isCutLineInsideAngles( inShapeIdx, inHoleIdx ) { + } - // Check if hole point lies within angle around shape point - var lastShapeIdx = shape.length - 1; + } ); - var prevShapeIdx = inShapeIdx - 1; - if ( prevShapeIdx < 0 ) prevShapeIdx = lastShapeIdx; + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - var nextShapeIdx = inShapeIdx + 1; - if ( nextShapeIdx > lastShapeIdx ) nextShapeIdx = 0; + function LOD() { - var insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] ); - if ( ! insideAngle ) { + Object3D.call( this ); - // console.log( "Vertex (Shape): " + inShapeIdx + ", Point: " + hole[inHoleIdx].x + "/" + hole[inHoleIdx].y ); - return false; + this.type = 'LOD'; - } + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + } + } ); - // Check if shape point lies within angle around hole point - var lastHoleIdx = hole.length - 1; + } - var prevHoleIdx = inHoleIdx - 1; - if ( prevHoleIdx < 0 ) prevHoleIdx = lastHoleIdx; - var nextHoleIdx = inHoleIdx + 1; - if ( nextHoleIdx > lastHoleIdx ) nextHoleIdx = 0; + LOD.prototype = Object.assign( Object.create( Object3D.prototype ), { - insideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] ); - if ( ! insideAngle ) { + constructor: LOD, - // console.log( "Vertex (Hole): " + inHoleIdx + ", Point: " + shape[inShapeIdx].x + "/" + shape[inShapeIdx].y ); - return false; + copy: function ( source ) { - } + Object3D.prototype.copy.call( this, source, false ); - return true; + var levels = source.levels; - } + for ( var i = 0, l = levels.length; i < l; i ++ ) { - function intersectsShapeEdge( inShapePt, inHolePt ) { + var level = levels[ i ]; - // checks for intersections with shape edges - var sIdx, nextIdx, intersection; - for ( sIdx = 0; sIdx < shape.length; sIdx ++ ) { + this.addLevel( level.object.clone(), level.distance ); - nextIdx = sIdx + 1; nextIdx %= shape.length; - intersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true ); - if ( intersection.length > 0 ) return true; + } - } + return this; - return false; + }, - } + addLevel: function ( object, distance ) { - var indepHoles = []; + if ( distance === undefined ) distance = 0; - function intersectsHoleEdge( inShapePt, inHolePt ) { + distance = Math.abs( distance ); - // checks for intersections with hole edges - var ihIdx, chkHole, - hIdx, nextIdx, intersection; - for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) { + var levels = this.levels; - chkHole = holes[ indepHoles[ ihIdx ]]; - for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) { + for ( var l = 0; l < levels.length; l ++ ) { - nextIdx = hIdx + 1; nextIdx %= chkHole.length; - intersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true ); - if ( intersection.length > 0 ) return true; + if ( distance < levels[ l ].distance ) { - } - - } - return false; + break; } - var holeIndex, shapeIndex, - shapePt, holePt, - holeIdx, cutKey, failedCuts = [], - tmpShape1, tmpShape2, - tmpHole1, tmpHole2; + } - for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + levels.splice( l, 0, { distance: distance, object: object } ); - indepHoles.push( h ); + this.add( object ); - } + }, - var minShapeIndex = 0; - var counter = indepHoles.length * 2; - while ( indepHoles.length > 0 ) { + getObjectForDistance: function ( distance ) { - counter --; - if ( counter < 0 ) { + var levels = this.levels; - console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" ); - break; + for ( var i = 1, l = levels.length; i < l; i ++ ) { - } + if ( distance < levels[ i ].distance ) { - // search for shape-vertex and hole-vertex, - // which can be connected without intersections - for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) { + break; - shapePt = shape[ shapeIndex ]; - holeIndex = - 1; + } - // search for hole which can be reached without intersections - for ( var h = 0; h < indepHoles.length; h ++ ) { + } - holeIdx = indepHoles[ h ]; + return levels[ i - 1 ].object; - // prevent multiple checks - cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx; - if ( failedCuts[ cutKey ] !== undefined ) continue; + }, - hole = holes[ holeIdx ]; - for ( var h2 = 0; h2 < hole.length; h2 ++ ) { + raycast: ( function () { - holePt = hole[ h2 ]; - if ( ! isCutLineInsideAngles( shapeIndex, h2 ) ) continue; - if ( intersectsShapeEdge( shapePt, holePt ) ) continue; - if ( intersectsHoleEdge( shapePt, holePt ) ) continue; + var matrixPosition = new Vector3(); - holeIndex = h2; - indepHoles.splice( h, 1 ); + return function raycast( raycaster, intersects ) { - tmpShape1 = shape.slice( 0, shapeIndex + 1 ); - tmpShape2 = shape.slice( shapeIndex ); - tmpHole1 = hole.slice( holeIndex ); - tmpHole2 = hole.slice( 0, holeIndex + 1 ); + matrixPosition.setFromMatrixPosition( this.matrixWorld ); - shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 ); + var distance = raycaster.ray.origin.distanceTo( matrixPosition ); - minShapeIndex = shapeIndex; + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); - // Debug only, to show the selected cuts - // glob_CutLines.push( [ shapePt, holePt ] ); + }; - break; + }() ), - } - if ( holeIndex >= 0 ) break; // hole-vertex found + update: function () { - failedCuts[ cutKey ] = true; // remember failure + var v1 = new Vector3(); + var v2 = new Vector3(); - } - if ( holeIndex >= 0 ) break; // hole-vertex found + return function update( camera ) { - } + var levels = this.levels; - } + if ( levels.length > 1 ) { - return shape; /* shape with no holes */ + v1.setFromMatrixPosition( camera.matrixWorld ); + v2.setFromMatrixPosition( this.matrixWorld ); - } + var distance = v1.distanceTo( v2 ); + levels[ 0 ].object.visible = true; - var i, il, f, face, - key, index, - allPointsMap = {}; + for ( var i = 1, l = levels.length; i < l; i ++ ) { - // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first. + if ( distance >= levels[ i ].distance ) { - var allpoints = contour.concat(); + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; - for ( var h = 0, hl = holes.length; h < hl; h ++ ) { + } else { - Array.prototype.push.apply( allpoints, holes[ h ] ); + break; - } + } - //console.log( "allpoints",allpoints, allpoints.length ); + } - // prepare all points map + for ( ; i < l; i ++ ) { - for ( i = 0, il = allpoints.length; i < il; i ++ ) { + levels[ i ].object.visible = false; - key = allpoints[ i ].x + ":" + allpoints[ i ].y; + } - if ( allPointsMap[ key ] !== undefined ) { + } - console.warn( "THREE.ShapeUtils: Duplicate point", key, i ); + }; - } + }(), - allPointsMap[ key ] = i; + toJSON: function ( meta ) { - } + var data = Object3D.prototype.toJSON.call( this, meta ); - // remove holes by cutting paths to holes and adding them to the shape - var shapeWithoutHoles = removeHoles( contour, holes ); + data.object.levels = []; - var triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape - //console.log( "triangles",triangles, triangles.length ); + var levels = this.levels; - // check all face vertices against all points map + for ( var i = 0, l = levels.length; i < l; i ++ ) { - for ( i = 0, il = triangles.length; i < il; i ++ ) { + var level = levels[ i ]; - face = triangles[ i ]; + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance + } ); - for ( f = 0; f < 3; f ++ ) { + } - key = face[ f ].x + ":" + face[ f ].y; + return data; - index = allPointsMap[ key ]; + } - if ( index !== undefined ) { + } ); - face[ f ] = index; + /** + * @author alteredq / http://alteredqualia.com/ + */ - } + function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - } + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - } + this.image = { data: data, width: width, height: height }; - return triangles.concat(); + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - }, + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; - isClockWise: function ( pts ) { + } - return ShapeUtils.area( pts ) < 0; + DataTexture.prototype = Object.create( Texture.prototype ); + DataTexture.prototype.constructor = DataTexture; - }, + DataTexture.prototype.isDataTexture = true; - // Bezier Curves formulas obtained from - // http://en.wikipedia.org/wiki/B%C3%A9zier_curve + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author michael guerrero / http://realitymeltdown.com + * @author ikerr / http://verold.com + */ - // Quad Bezier Functions + function Skeleton( bones, boneInverses, useVertexTexture ) { - b2: ( function () { + this.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true; - function b2p0( t, p ) { + this.identityMatrix = new Matrix4(); - var k = 1 - t; - return k * k * p; + // copy the bone array - } + bones = bones || []; - function b2p1( t, p ) { + this.bones = bones.slice( 0 ); - return 2 * ( 1 - t ) * t * p; + // create a bone texture or an array of floats - } + if ( this.useVertexTexture ) { - function b2p2( t, p ) { + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) - return t * t * p; - } + var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix + size = _Math.nextPowerOfTwo( Math.ceil( size ) ); + size = Math.max( size, 4 ); - return function b2( t, p0, p1, p2 ) { + this.boneTextureWidth = size; + this.boneTextureHeight = size; - return b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 ); + this.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel + this.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType ); - }; + } else { - } )(), + this.boneMatrices = new Float32Array( 16 * this.bones.length ); - // Cubic Bezier Functions + } - b3: ( function () { + // use the supplied bone inverses or calculate the inverses - function b3p0( t, p ) { + if ( boneInverses === undefined ) { - var k = 1 - t; - return k * k * k * p; + this.calculateInverses(); - } + } else { - function b3p1( t, p ) { + if ( this.bones.length === boneInverses.length ) { - var k = 1 - t; - return 3 * k * k * t * p; + this.boneInverses = boneInverses.slice( 0 ); - } + } else { - function b3p2( t, p ) { + console.warn( 'THREE.Skeleton bonInverses is the wrong length.' ); - var k = 1 - t; - return 3 * k * t * t * p; + this.boneInverses = []; - } + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - function b3p3( t, p ) { + this.boneInverses.push( new Matrix4() ); - return t * t * t * p; + } } - return function b3( t, p0, p1, p2, p3 ) { + } - return b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 ); + } - }; + Object.assign( Skeleton.prototype, { - } )() + calculateInverses: function () { - }; + this.boneInverses = []; - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - * Creates extruded geometry from a path shape. - * - * parameters = { - * - * curveSegments: , // number of points on the curves - * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too - * amount: , // Depth to extrude the shape - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into the original shape bevel goes - * bevelSize: , // how far from shape outline is bevel - * bevelSegments: , // number of bevel layers - * - * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined) - * frames: // containing arrays of tangents, normals, binormals - * - * uvGenerator: // object that provides UV generator functions - * - * } - **/ + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - function ExtrudeGeometry( shapes, options ) { + var inverse = new Matrix4(); - if ( typeof( shapes ) === "undefined" ) { + if ( this.bones[ b ] ) { - shapes = []; - return; + inverse.getInverse( this.bones[ b ].matrixWorld ); - } + } - Geometry.call( this ); + this.boneInverses.push( inverse ); - this.type = 'ExtrudeGeometry'; + } - shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + }, - this.addShapeList( shapes, options ); + pose: function () { - this.computeFaceNormals(); + var bone; - // can't really use automatic vertex normals - // as then front and back sides get smoothed too - // should do separate smoothing just for sides + // recover the bind-time world matrices - //this.computeVertexNormals(); + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - //console.log( "took", ( Date.now() - startTime ) ); + bone = this.bones[ b ]; - } + if ( bone ) { - ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); - ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; + bone.matrixWorld.getInverse( this.boneInverses[ b ] ); - ExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) { + } - var sl = shapes.length; + } - for ( var s = 0; s < sl; s ++ ) { + // compute the local matrices, positions, rotations and scales - var shape = shapes[ s ]; - this.addShape( shape, options ); + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - } + bone = this.bones[ b ]; - }; + if ( bone ) { - ExtrudeGeometry.prototype.addShape = function ( shape, options ) { + if ( (bone.parent && bone.parent.isBone) ) { - var amount = options.amount !== undefined ? options.amount : 100; + bone.matrix.getInverse( bone.parent.matrixWorld ); + bone.matrix.multiply( bone.matrixWorld ); - var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10 - var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8 - var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + } else { - var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false + bone.matrix.copy( bone.matrixWorld ); - var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + } - var steps = options.steps !== undefined ? options.steps : 1; + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); - var extrudePath = options.extrudePath; - var extrudePts, extrudeByPath = false; + } - // Use default WorldUVGenerator if no UV generators are specified. - var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator; + } - var splineTube, binormal, normal, position2; - if ( extrudePath ) { + }, - extrudePts = extrudePath.getSpacedPoints( steps ); + update: ( function () { - extrudeByPath = true; - bevelEnabled = false; // bevels not supported for path extrusion + var offsetMatrix = new Matrix4(); - // SETUP TNB variables + return function update() { - // TODO1 - have a .isClosed in spline? + // flatten bone matrices to array - splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false ); + for ( var b = 0, bl = this.bones.length; b < bl; b ++ ) { - // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + // compute the offset between the current and the original transform - binormal = new Vector3(); - normal = new Vector3(); - position2 = new Vector3(); + var matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix; - } + offsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] ); + offsetMatrix.toArray( this.boneMatrices, b * 16 ); - // Safeguards if bevels are not enabled + } - if ( ! bevelEnabled ) { + if ( this.useVertexTexture ) { - bevelSegments = 0; - bevelThickness = 0; - bevelSize = 0; + this.boneTexture.needsUpdate = true; - } + } - // Variables initialization + }; - var ahole, h, hl; // looping of holes - var scope = this; + } )(), - var shapesOffset = this.vertices.length; + clone: function () { - var shapePoints = shape.extractPoints( curveSegments ); + return new Skeleton( this.bones, this.boneInverses, this.useVertexTexture ); - var vertices = shapePoints.shape; - var holes = shapePoints.holes; + } - var reverse = ! ShapeUtils.isClockWise( vertices ); + } ); - if ( reverse ) { + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ - vertices = vertices.reverse(); + function Bone( skin ) { - // Maybe we should also check if holes are in the opposite direction, just to be safe ... + Object3D.call( this ); - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + this.type = 'Bone'; - ahole = holes[ h ]; + this.skin = skin; - if ( ShapeUtils.isClockWise( ahole ) ) { + } - holes[ h ] = ahole.reverse(); + Bone.prototype = Object.assign( Object.create( Object3D.prototype ), { - } + constructor: Bone, - } + isBone: true, - reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)! + copy: function ( source ) { - } + Object3D.prototype.copy.call( this, source ); + this.skin = source.skin; - var faces = ShapeUtils.triangulateShape( vertices, holes ); + return this; - /* Vertices */ + } - var contour = vertices; // vertices has all points but contour has only points of circumference + } ); - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + /** + * @author mikael emtinger / http://gomo.se/ + * @author alteredq / http://alteredqualia.com/ + * @author ikerr / http://verold.com + */ - ahole = holes[ h ]; + function SkinnedMesh( geometry, material, useVertexTexture ) { - vertices = vertices.concat( ahole ); + Mesh.call( this, geometry, material ); - } + this.type = 'SkinnedMesh'; + this.bindMode = "attached"; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); - function scalePt2( pt, vec, size ) { + // init bones - if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); + // TODO: remove bone creation as there is no reason (other than + // convenience) for THREE.SkinnedMesh to do this. - return vec.clone().multiplyScalar( size ).add( pt ); + var bones = []; - } + if ( this.geometry && this.geometry.bones !== undefined ) { - var b, bs, t, z, - vert, vlen = vertices.length, - face, flen = faces.length; + var bone, gbone; + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { - // Find directions for point movement + gbone = this.geometry.bones[ b ]; + bone = new Bone( this ); + bones.push( bone ); - function getBevelVec( inPt, inPrev, inNext ) { + bone.name = gbone.name; + bone.position.fromArray( gbone.pos ); + bone.quaternion.fromArray( gbone.rotq ); + if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); - // computes for inPt the corresponding point inPt' on a new contour - // shifted by 1 unit (length of normalized vector) to the left - // if we walk along contour clockwise, this new contour is outside the old one - // - // inPt' is the intersection of the two lines parallel to the two - // adjacent edges of inPt at a distance of 1 unit on the left side. + } - var v_trans_x, v_trans_y, shrink_by = 1; // resulting translation vector for inPt + for ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) { - // good reading for geometry algorithms (here: line-line intersection) - // http://geomalgorithms.com/a05-_intersect-1.html + gbone = this.geometry.bones[ b ]; - var v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; - var v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; + if ( gbone.parent !== - 1 && gbone.parent !== null && + bones[ gbone.parent ] !== undefined ) { - var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + bones[ gbone.parent ].add( bones[ b ] ); - // check for collinear edges - var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + } else { - if ( Math.abs( collinear0 ) > Number.EPSILON ) { + this.add( bones[ b ] ); - // not collinear + } - // length of vectors for normalizing + } - var v_prev_len = Math.sqrt( v_prev_lensq ); - var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + } - // shift adjacent points by unit vectors to the left + this.normalizeSkinWeights(); - var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); - var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + this.updateMatrixWorld( true ); + this.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld ); - var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); - var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + } - // scaling factor for v_prev to intersection point - var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - - ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / - ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), { - // vector from inPt to intersection point + constructor: SkinnedMesh, - v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); - v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + isSkinnedMesh: true, - // Don't normalize!, otherwise sharp corners become ugly - // but prevent crazy spikes - var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); - if ( v_trans_lensq <= 2 ) { + bind: function( skeleton, bindMatrix ) { - return new Vector2( v_trans_x, v_trans_y ); + this.skeleton = skeleton; - } else { + if ( bindMatrix === undefined ) { - shrink_by = Math.sqrt( v_trans_lensq / 2 ); + this.updateMatrixWorld( true ); - } + this.skeleton.calculateInverses(); - } else { + bindMatrix = this.matrixWorld; - // handle special case of collinear edges + } - var direction_eq = false; // assumes: opposite - if ( v_prev_x > Number.EPSILON ) { + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.getInverse( bindMatrix ); - if ( v_next_x > Number.EPSILON ) { + }, - direction_eq = true; + pose: function () { - } + this.skeleton.pose(); - } else { + }, - if ( v_prev_x < - Number.EPSILON ) { + normalizeSkinWeights: function () { - if ( v_next_x < - Number.EPSILON ) { + if ( (this.geometry && this.geometry.isGeometry) ) { - direction_eq = true; + for ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) { - } + var sw = this.geometry.skinWeights[ i ]; - } else { + var scale = 1.0 / sw.lengthManhattan(); - if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + if ( scale !== Infinity ) { - direction_eq = true; + sw.multiplyScalar( scale ); - } + } else { + + sw.set( 1, 0, 0, 0 ); // do something reasonable } } - if ( direction_eq ) { + } else if ( (this.geometry && this.geometry.isBufferGeometry) ) { - // console.log("Warning: lines are a straight sequence"); - v_trans_x = - v_prev_y; - v_trans_y = v_prev_x; - shrink_by = Math.sqrt( v_prev_lensq ); + var vec = new Vector4(); - } else { + var skinWeight = this.geometry.attributes.skinWeight; - // console.log("Warning: lines are a straight spike"); - v_trans_x = v_prev_x; - v_trans_y = v_prev_y; - shrink_by = Math.sqrt( v_prev_lensq / 2 ); + for ( var i = 0; i < skinWeight.count; i ++ ) { - } + vec.x = skinWeight.getX( i ); + vec.y = skinWeight.getY( i ); + vec.z = skinWeight.getZ( i ); + vec.w = skinWeight.getW( i ); - } + var scale = 1.0 / vec.lengthManhattan(); - return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + if ( scale !== Infinity ) { - } + vec.multiplyScalar( scale ); + } else { - var contourMovements = []; + vec.set( 1, 0, 0, 0 ); // do something reasonable - for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + } - if ( j === il ) j = 0; - if ( k === il ) k = 0; + skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w ); - // (j)---(i)---(k) - // console.log('i,j,k', i, j , k) + } - contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + } - } + }, - var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat(); + updateMatrixWorld: function( force ) { - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + Mesh.prototype.updateMatrixWorld.call( this, true ); - ahole = holes[ h ]; + if ( this.bindMode === "attached" ) { - oneHoleMovements = []; + this.bindMatrixInverse.getInverse( this.matrixWorld ); - for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + } else if ( this.bindMode === "detached" ) { - if ( j === il ) j = 0; - if ( k === il ) k = 0; + this.bindMatrixInverse.getInverse( this.bindMatrix ); - // (j)---(i)---(k) - oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + } else { + + console.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode ); } - holesMovements.push( oneHoleMovements ); - verticesMovements = verticesMovements.concat( oneHoleMovements ); + }, + + clone: function() { + + return new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this ); } + } ); - // Loop bevelSegments, 1 for the front, 1 for the back + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * linecap: "round", + * linejoin: "round" + * } + */ - for ( b = 0; b < bevelSegments; b ++ ) { + function LineBasicMaterial( parameters ) { - //for ( b = bevelSegments; b > 0; b -- ) { + Material.call( this ); - t = b / bevelSegments; - z = bevelThickness * Math.cos( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ); + this.type = 'LineBasicMaterial'; - // contract shape + this.color = new Color( 0xffffff ); - for ( i = 0, il = contour.length; i < il; i ++ ) { + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + this.lights = false; - v( vert.x, vert.y, - z ); + this.setValues( parameters ); - } + } - // expand holes + LineBasicMaterial.prototype = Object.create( Material.prototype ); + LineBasicMaterial.prototype.constructor = LineBasicMaterial; - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + LineBasicMaterial.prototype.isLineBasicMaterial = true; - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; + LineBasicMaterial.prototype.copy = function ( source ) { - for ( i = 0, il = ahole.length; i < il; i ++ ) { + Material.prototype.copy.call( this, source ); - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + this.color.copy( source.color ); - v( vert.x, vert.y, - z ); + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; - } + return this; - } + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - bs = bevelSize; + function Line( geometry, material, mode ) { - // Back facing vertices + if ( mode === 1 ) { - for ( i = 0; i < vlen; i ++ ) { + console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' ); + return new LineSegments( geometry, material ); - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + } - if ( ! extrudeByPath ) { + Object3D.call( this ); - v( vert.x, vert.y, 0 ); + this.type = 'Line'; - } else { + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } ); - // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + } - normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + Line.prototype = Object.assign( Object.create( Object3D.prototype ), { - position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + constructor: Line, - v( position2.x, position2.y, position2.z ); + isLine: true, - } + raycast: ( function () { - } + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - // Add stepped vertices... - // Including front facing vertices + return function raycast( raycaster, intersects ) { - var s; + var precision = raycaster.linePrecision; + var precisionSq = precision * precision; - for ( s = 1; s <= steps; s ++ ) { + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; - for ( i = 0; i < vlen; i ++ ) { + // Checking boundingSphere distance to ray - vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - if ( ! extrudeByPath ) { + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - v( vert.x, vert.y, amount / steps * s ); + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - } else { + // - // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); - binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + var vStart = new Vector3(); + var vEnd = new Vector3(); + var interSegment = new Vector3(); + var interRay = new Vector3(); + var step = (this && this.isLineSegments) ? 2 : 1; - position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + if ( (geometry && geometry.isBufferGeometry) ) { - v( position2.x, position2.y, position2.z ); + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - } + if ( index !== null ) { - } + var indices = index.array; - } + for ( var i = 0, l = indices.length - 1; i < l; i += step ) { + var a = indices[ i ]; + var b = indices[ i + 1 ]; - // Add bevel segments planes + vStart.fromArray( positions, a * 3 ); + vEnd.fromArray( positions, b * 3 ); - //for ( b = 1; b <= bevelSegments; b ++ ) { - for ( b = bevelSegments - 1; b >= 0; b -- ) { + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - t = b / bevelSegments; - z = bevelThickness * Math.cos ( t * Math.PI / 2 ); - bs = bevelSize * Math.sin( t * Math.PI / 2 ); + if ( distSq > precisionSq ) continue; - // contract shape + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - for ( i = 0, il = contour.length; i < il; i ++ ) { + var distance = raycaster.ray.origin.distanceTo( interRay ); - vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - v( vert.x, vert.y, amount + z ); + if ( distance < raycaster.near || distance > raycaster.far ) continue; - } + intersects.push( { - // expand holes + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + } ); - ahole = holes[ h ]; - oneHoleMovements = holesMovements[ h ]; + } - for ( i = 0, il = ahole.length; i < il; i ++ ) { + } else { - vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) { - if ( ! extrudeByPath ) { + vStart.fromArray( positions, 3 * i ); + vEnd.fromArray( positions, 3 * i + 3 ); - v( vert.x, vert.y, amount + z ); + var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); - } else { + if ( distSq > precisionSq ) continue; - v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - } + var distance = raycaster.ray.origin.distanceTo( interRay ); - } + if ( distance < raycaster.near || distance > raycaster.far ) continue; - } + intersects.push( { - } + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - /* Faces */ + } ); - // Top and bottom faces + } - buildLidFaces(); + } - // Sides faces + } else if ( (geometry && geometry.isGeometry) ) { - buildSideFaces(); + var vertices = geometry.vertices; + var nbVertices = vertices.length; + for ( var i = 0; i < nbVertices - 1; i += step ) { - ///// Internal functions + var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment ); - function buildLidFaces() { + if ( distSq > precisionSq ) continue; - if ( bevelEnabled ) { + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation - var layer = 0; // steps + 1 - var offset = vlen * layer; + var distance = raycaster.ray.origin.distanceTo( interRay ); - // Bottom faces + if ( distance < raycaster.near || distance > raycaster.far ) continue; - for ( i = 0; i < flen; i ++ ) { + intersects.push( { - face = faces[ i ]; - f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this - } + } ); - layer = steps + bevelSegments * 2; - offset = vlen * layer; + } - // Top faces + } - for ( i = 0; i < flen; i ++ ) { + }; - face = faces[ i ]; - f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + }() ), - } + clone: function () { - } else { + return new this.constructor( this.geometry, this.material ).copy( this ); - // Bottom faces + } - for ( i = 0; i < flen; i ++ ) { + } ); - face = faces[ i ]; - f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function LineSegments( geometry, material ) { - // Top faces + Line.call( this, geometry, material ); - for ( i = 0; i < flen; i ++ ) { + this.type = 'LineSegments'; - face = faces[ i ]; - f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + } - } + LineSegments.prototype = Object.assign( Object.create( Line.prototype ), { - } + constructor: LineSegments, - } + isLineSegments: true - // Create faces for the z-sides of the shape + } ); - function buildSideFaces() { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * map: new THREE.Texture( ), + * + * size: , + * sizeAttenuation: + * } + */ - var layeroffset = 0; - sidewalls( contour, layeroffset ); - layeroffset += contour.length; + function PointsMaterial( parameters ) { - for ( h = 0, hl = holes.length; h < hl; h ++ ) { + Material.call( this ); - ahole = holes[ h ]; - sidewalls( ahole, layeroffset ); + this.type = 'PointsMaterial'; - //, true - layeroffset += ahole.length; + this.color = new Color( 0xffffff ); - } + this.map = null; - } + this.size = 1; + this.sizeAttenuation = true; - function sidewalls( contour, layeroffset ) { + this.lights = false; - var j, k; - i = contour.length; + this.setValues( parameters ); - while ( -- i >= 0 ) { + } - j = i; - k = i - 1; - if ( k < 0 ) k = contour.length - 1; + PointsMaterial.prototype = Object.create( Material.prototype ); + PointsMaterial.prototype.constructor = PointsMaterial; - //console.log('b', i,j, i-1, k,vertices.length); + PointsMaterial.prototype.isPointsMaterial = true; - var s = 0, sl = steps + bevelSegments * 2; + PointsMaterial.prototype.copy = function ( source ) { - for ( s = 0; s < sl; s ++ ) { + Material.prototype.copy.call( this, source ); - var slen1 = vlen * s; - var slen2 = vlen * ( s + 1 ); + this.color.copy( source.color ); - var a = layeroffset + j + slen1, - b = layeroffset + k + slen1, - c = layeroffset + k + slen2, - d = layeroffset + j + slen2; + this.map = source.map; - f4( a, b, c, d, contour, s, sl, j, k ); + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; - } + return this; - } + }; - } + /** + * @author alteredq / http://alteredqualia.com/ + */ + function Points( geometry, material ) { - function v( x, y, z ) { + Object3D.call( this ); - scope.vertices.push( new Vector3( x, y, z ) ); + this.type = 'Points'; - } + this.geometry = geometry !== undefined ? geometry : new BufferGeometry(); + this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } ); - function f3( a, b, c ) { + } - a += shapesOffset; - b += shapesOffset; - c += shapesOffset; + Points.prototype = Object.assign( Object.create( Object3D.prototype ), { - scope.faces.push( new Face3( a, b, c, null, null, 0 ) ); + constructor: Points, - var uvs = uvgen.generateTopUV( scope, a, b, c ); + isPoints: true, - scope.faceVertexUvs[ 0 ].push( uvs ); + raycast: ( function () { - } + var inverseMatrix = new Matrix4(); + var ray = new Ray(); + var sphere = new Sphere(); - function f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) { + return function raycast( raycaster, intersects ) { - a += shapesOffset; - b += shapesOffset; - c += shapesOffset; - d += shapesOffset; + var object = this; + var geometry = this.geometry; + var matrixWorld = this.matrixWorld; + var threshold = raycaster.params.Points.threshold; - scope.faces.push( new Face3( a, b, d, null, null, 1 ) ); - scope.faces.push( new Face3( b, c, d, null, null, 1 ) ); + // Checking boundingSphere distance to ray - var uvs = uvgen.generateSideWallUV( scope, a, b, c, d ); + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); - scope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] ); - scope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] ); + sphere.copy( geometry.boundingSphere ); + sphere.applyMatrix4( matrixWorld ); - } + if ( raycaster.ray.intersectsSphere( sphere ) === false ) return; - }; + // - ExtrudeGeometry.WorldUVGenerator = { + inverseMatrix.getInverse( matrixWorld ); + ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix ); - generateTopUV: function ( geometry, indexA, indexB, indexC ) { + var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + var localThresholdSq = localThreshold * localThreshold; + var position = new Vector3(); - var vertices = geometry.vertices; + function testPoint( point, index ) { - var a = vertices[ indexA ]; - var b = vertices[ indexB ]; - var c = vertices[ indexC ]; + var rayPointDistanceSq = ray.distanceSqToPoint( point ); - return [ - new Vector2( a.x, a.y ), - new Vector2( b.x, b.y ), - new Vector2( c.x, c.y ) - ]; + if ( rayPointDistanceSq < localThresholdSq ) { - }, + var intersectPoint = ray.closestPointToPoint( point ); + intersectPoint.applyMatrix4( matrixWorld ); - generateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) { + var distance = raycaster.ray.origin.distanceTo( intersectPoint ); - var vertices = geometry.vertices; + if ( distance < raycaster.near || distance > raycaster.far ) return; - var a = vertices[ indexA ]; - var b = vertices[ indexB ]; - var c = vertices[ indexC ]; - var d = vertices[ indexD ]; + intersects.push( { - if ( Math.abs( a.y - b.y ) < 0.01 ) { + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint.clone(), + index: index, + face: null, + object: object - return [ - new Vector2( a.x, 1 - a.z ), - new Vector2( b.x, 1 - b.z ), - new Vector2( c.x, 1 - c.z ), - new Vector2( d.x, 1 - d.z ) - ]; + } ); - } else { + } - return [ - new Vector2( a.y, 1 - a.z ), - new Vector2( b.y, 1 - b.z ), - new Vector2( c.y, 1 - c.z ), - new Vector2( d.y, 1 - d.z ) - ]; + } - } + if ( (geometry && geometry.isBufferGeometry) ) { - } - }; + var index = geometry.index; + var attributes = geometry.attributes; + var positions = attributes.position.array; - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author alteredq / http://alteredqualia.com/ - * - * Text = 3D Text - * - * parameters = { - * font: , // font - * - * size: , // size of the text - * height: , // thickness to extrude text - * curveSegments: , // number of points on the curves - * - * bevelEnabled: , // turn on bevel - * bevelThickness: , // how deep into text bevel goes - * bevelSize: // how far from text outline is bevel - * } - */ + if ( index !== null ) { - function TextGeometry( text, parameters ) { + var indices = index.array; - parameters = parameters || {}; + for ( var i = 0, il = indices.length; i < il; i ++ ) { - var font = parameters.font; + var a = indices[ i ]; - if ( (font && font.isFont) === false ) { + position.fromArray( positions, a * 3 ); - console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); - return new Geometry(); + testPoint( position, a ); - } + } - var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments ); + } else { - // translate parameters to ExtrudeGeometry API + for ( var i = 0, l = positions.length / 3; i < l; i ++ ) { - parameters.amount = parameters.height !== undefined ? parameters.height : 50; + position.fromArray( positions, i * 3 ); - // defaults + testPoint( position, i ); - if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; - if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; - if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; + } - ExtrudeGeometry.call( this, shapes, parameters ); + } - this.type = 'TextGeometry'; + } else { - } + var vertices = geometry.vertices; - TextGeometry.prototype = Object.create( ExtrudeGeometry.prototype ); - TextGeometry.prototype.constructor = TextGeometry; + for ( var i = 0, l = vertices.length; i < l; i ++ ) { - /** - * @author benaadams / https://twitter.com/ben_a_adams - * based on THREE.SphereGeometry - */ + testPoint( vertices[ i ], i ); - function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { + } - BufferGeometry.call( this ); + } - this.type = 'SphereBufferGeometry'; + }; - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + }() ), - radius = radius || 50; + clone: function () { - widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); - heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); + return new this.constructor( this.geometry, this.material ).copy( this ); - phiStart = phiStart !== undefined ? phiStart : 0; - phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; + } - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; + } ); - var thetaEnd = thetaStart + thetaLength; + /** + * @author mrdoob / http://mrdoob.com/ + */ - var vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) ); + function Group() { - var positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + Object3D.call( this ); - var index = 0, vertices = [], normal = new Vector3(); + this.type = 'Group'; - for ( var y = 0; y <= heightSegments; y ++ ) { + } - var verticesRow = []; + Group.prototype = Object.assign( Object.create( Object3D.prototype ), { - var v = y / heightSegments; + constructor: Group - for ( var x = 0; x <= widthSegments; x ++ ) { + } ); - var u = x / widthSegments; + /** + * @author mrdoob / http://mrdoob.com/ + */ - var px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - var py = radius * Math.cos( thetaStart + v * thetaLength ); - var pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - normal.set( px, py, pz ).normalize(); + Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - positions.setXYZ( index, px, py, pz ); - normals.setXYZ( index, normal.x, normal.y, normal.z ); - uvs.setXY( index, u, 1 - v ); + this.generateMipmaps = false; - verticesRow.push( index ); + var scope = this; - index ++; + function update() { - } + requestAnimationFrame( update ); - vertices.push( verticesRow ); + if ( video.readyState >= video.HAVE_CURRENT_DATA ) { + + scope.needsUpdate = true; + + } } - var indices = []; + update(); - for ( var y = 0; y < heightSegments; y ++ ) { + } - for ( var x = 0; x < widthSegments; x ++ ) { + VideoTexture.prototype = Object.create( Texture.prototype ); + VideoTexture.prototype.constructor = VideoTexture; - var v1 = vertices[ y ][ x + 1 ]; - var v2 = vertices[ y ][ x ]; - var v3 = vertices[ y + 1 ][ x ]; - var v4 = vertices[ y + 1 ][ x + 1 ]; + /** + * @author alteredq / http://alteredqualia.com/ + */ - if ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 ); - if ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 ); + function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { - } + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); - } + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; - this.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); - this.addAttribute( 'position', positions ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) - this.boundingSphere = new Sphere( new Vector3(), radius ); + this.flipY = false; + + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + + this.generateMipmaps = false; } - SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; + CompressedTexture.prototype = Object.create( Texture.prototype ); + CompressedTexture.prototype.constructor = CompressedTexture; + + CompressedTexture.prototype.isCompressedTexture = true; /** * @author mrdoob / http://mrdoob.com/ */ - function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - - Geometry.call( this ); - - this.type = 'SphereGeometry'; + function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { - this.parameters = { - radius: radius, - widthSegments: widthSegments, - heightSegments: heightSegments, - phiStart: phiStart, - phiLength: phiLength, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); + this.needsUpdate = true; } - SphereGeometry.prototype = Object.create( Geometry.prototype ); - SphereGeometry.prototype.constructor = SphereGeometry; + CanvasTexture.prototype = Object.create( Texture.prototype ); + CanvasTexture.prototype.constructor = CanvasTexture; /** - * @author Mugen87 / https://github.com/Mugen87 + * @author Matt DesLauriers / @mattdesl + * @author atix / arthursilber.de */ - function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { - BufferGeometry.call( this ); + format = format !== undefined ? format : DepthFormat; - this.type = 'RingBufferGeometry'; + if ( format !== DepthFormat && format !== DepthStencilFormat ) { - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ) - innerRadius = innerRadius || 20; - outerRadius = outerRadius || 50; + } - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); - thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; - phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; + this.image = { width: width, height: height }; - // these are used to calculate buffer length - var vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 ); - var indexCount = thetaSegments * phiSegments * 2 * 3; + this.type = type !== undefined ? type : UnsignedShortType; - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; - // some helper variables - var index = 0, indexOffset = 0, segment; - var radius = innerRadius; - var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); - var vertex = new Vector3(); - var uv = new Vector2(); - var j, i; + this.flipY = false; + this.generateMipmaps = false; - // generate vertices, normals and uvs + } - // values are generate from the inside of the ring to the outside + DepthTexture.prototype = Object.create( Texture.prototype ); + DepthTexture.prototype.constructor = DepthTexture; + DepthTexture.prototype.isDepthTexture = true; - for ( j = 0; j <= phiSegments; j ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - for ( i = 0; i <= thetaSegments; i ++ ) { + function WireframeGeometry( geometry ) { - segment = thetaStart + i / thetaSegments * thetaLength; + BufferGeometry.call( this ); - // vertex - vertex.x = radius * Math.cos( segment ); - vertex.y = radius * Math.sin( segment ); - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + var edge = [ 0, 0 ], hash = {}; - // normal - normals.setXYZ( index, 0, 0, 1 ); + function sortFunction( a, b ) { - // uv - uv.x = ( vertex.x / outerRadius + 1 ) / 2; - uv.y = ( vertex.y / outerRadius + 1 ) / 2; - uvs.setXY( index, uv.x, uv.y ); + return a - b; - // increase index - index++; + } - } + var keys = [ 'a', 'b', 'c' ]; - // increase the radius for next row of vertices - radius += radiusStep; + if ( (geometry && geometry.isGeometry) ) { - } + var vertices = geometry.vertices; + var faces = geometry.faces; + var numEdges = 0; - // generate indices + // allocate maximal size + var edges = new Uint32Array( 6 * faces.length ); - for ( j = 0; j < phiSegments; j ++ ) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - var thetaSegmentLevel = j * ( thetaSegments + 1 ); + var face = faces[ i ]; - for ( i = 0; i < thetaSegments; i ++ ) { + for ( var j = 0; j < 3; j ++ ) { - segment = i + thetaSegmentLevel; + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); - // indices - var a = segment; - var b = segment + thetaSegments + 1; - var c = segment + thetaSegments + 2; - var d = segment + 1; + var key = edge.toString(); - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; + if ( hash[ key ] === undefined ) { - // face two - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; - } + } - } + } - // build geometry + } - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + var coords = new Float32Array( numEdges * 2 * 3 ); - } + for ( var i = 0, l = numEdges; i < l; i ++ ) { - RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - RingBufferGeometry.prototype.constructor = RingBufferGeometry; + for ( var j = 0; j < 2; j ++ ) { - /** - * @author Kaleb Murphy - */ + var vertex = vertices[ edges [ 2 * i + j ] ]; - function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { + var index = 6 * i + 3 * j; + coords[ index + 0 ] = vertex.x; + coords[ index + 1 ] = vertex.y; + coords[ index + 2 ] = vertex.z; - Geometry.call( this ); + } - this.type = 'RingGeometry'; + } - this.parameters = { - innerRadius: innerRadius, - outerRadius: outerRadius, - thetaSegments: thetaSegments, - phiSegments: phiSegments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); + } else if ( (geometry && geometry.isBufferGeometry) ) { - } + if ( geometry.index !== null ) { - RingGeometry.prototype = Object.create( Geometry.prototype ); - RingGeometry.prototype.constructor = RingGeometry; + // Indexed BufferGeometry - /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as - */ + var indices = geometry.index.array; + var vertices = geometry.attributes.position; + var groups = geometry.groups; + var numEdges = 0; - function PlaneGeometry( width, height, widthSegments, heightSegments ) { + if ( groups.length === 0 ) { - Geometry.call( this ); + geometry.addGroup( 0, indices.length ); - this.type = 'PlaneGeometry'; + } - this.parameters = { - width: width, - height: height, - widthSegments: widthSegments, - heightSegments: heightSegments - }; + // allocate maximal size + var edges = new Uint32Array( 2 * indices.length ); - this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); + for ( var o = 0, ol = groups.length; o < ol; ++ o ) { - } + var group = groups[ o ]; - PlaneGeometry.prototype = Object.create( Geometry.prototype ); - PlaneGeometry.prototype.constructor = PlaneGeometry; + var start = group.start; + var count = group.count; - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + for ( var i = start, il = start + count; i < il; i += 3 ) { - // points - to create a closed torus, one must use a set of points - // like so: [ a, b, c, d, a ], see first is the same as last. - // segments - the number of circumference segments to create - // phiStart - the starting radian - // phiLength - the radian (0 to 2PI) range of the lathed section - // 2PI is a closed lathe, less than 2PI is a portion. + for ( var j = 0; j < 3; j ++ ) { - function LatheBufferGeometry( points, segments, phiStart, phiLength ) { + edge[ 0 ] = indices[ i + j ]; + edge[ 1 ] = indices[ i + ( j + 1 ) % 3 ]; + edge.sort( sortFunction ); - BufferGeometry.call( this ); + var key = edge.toString(); - this.type = 'LatheBufferGeometry'; + if ( hash[ key ] === undefined ) { - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; + edges[ 2 * numEdges ] = edge[ 0 ]; + edges[ 2 * numEdges + 1 ] = edge[ 1 ]; + hash[ key ] = true; + numEdges ++; - segments = Math.floor( segments ) || 12; - phiStart = phiStart || 0; - phiLength = phiLength || Math.PI * 2; + } - // clamp phiLength so it's in range of [ 0, 2PI ] - phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); + } - // these are used to calculate buffer length - var vertexCount = ( segments + 1 ) * points.length; - var indexCount = segments * points.length * 2 * 3; + } - // buffers - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + } - // helper variables - var index = 0, indexOffset = 0, base; - var inverseSegments = 1.0 / segments; - var vertex = new Vector3(); - var uv = new Vector2(); - var i, j; + var coords = new Float32Array( numEdges * 2 * 3 ); - // generate vertices and uvs + for ( var i = 0, l = numEdges; i < l; i ++ ) { - for ( i = 0; i <= segments; i ++ ) { + for ( var j = 0; j < 2; j ++ ) { - var phi = phiStart + i * inverseSegments * phiLength; + var index = 6 * i + 3 * j; + var index2 = edges[ 2 * i + j ]; - var sin = Math.sin( phi ); - var cos = Math.cos( phi ); + coords[ index + 0 ] = vertices.getX( index2 ); + coords[ index + 1 ] = vertices.getY( index2 ); + coords[ index + 2 ] = vertices.getZ( index2 ); - for ( j = 0; j <= ( points.length - 1 ); j ++ ) { + } - // vertex - vertex.x = points[ j ].x * sin; - vertex.y = points[ j ].y; - vertex.z = points[ j ].x * cos; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + } - // uv - uv.x = i / segments; - uv.y = j / ( points.length - 1 ); - uvs.setXY( index, uv.x, uv.y ); + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); - // increase index - index ++; + } else { - } + // non-indexed BufferGeometry - } + var vertices = geometry.attributes.position.array; + var numEdges = vertices.length / 3; + var numTris = numEdges / 3; - // generate indices + var coords = new Float32Array( numEdges * 2 * 3 ); - for ( i = 0; i < segments; i ++ ) { + for ( var i = 0, l = numTris; i < l; i ++ ) { - for ( j = 0; j < ( points.length - 1 ); j ++ ) { + for ( var j = 0; j < 3; j ++ ) { - base = j + i * points.length; + var index = 18 * i + 6 * j; - // indices - var a = base; - var b = base + points.length; - var c = base + points.length + 1; - var d = base + 1; + var index1 = 9 * i + 3 * j; + coords[ index + 0 ] = vertices[ index1 ]; + coords[ index + 1 ] = vertices[ index1 + 1 ]; + coords[ index + 2 ] = vertices[ index1 + 2 ]; - // face one - indices.setX( indexOffset, a ); indexOffset++; - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + var index2 = 9 * i + 3 * ( ( j + 1 ) % 3 ); + coords[ index + 3 ] = vertices[ index2 ]; + coords[ index + 4 ] = vertices[ index2 + 1 ]; + coords[ index + 5 ] = vertices[ index2 + 2 ]; - // face two - indices.setX( indexOffset, b ); indexOffset++; - indices.setX( indexOffset, c ); indexOffset++; - indices.setX( indexOffset, d ); indexOffset++; + } + + } + + this.addAttribute( 'position', new BufferAttribute( coords, 3 ) ); } } - // build geometry - - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'uv', uvs ); + } - // generate normals + WireframeGeometry.prototype = Object.create( BufferGeometry.prototype ); + WireframeGeometry.prototype.constructor = WireframeGeometry; - this.computeVertexNormals(); + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 + */ - // if the geometry is closed, we need to average the normals along the seam. - // because the corresponding vertices are identical (but still have different UVs). + function ParametricBufferGeometry( func, slices, stacks ) { - if( phiLength === Math.PI * 2 ) { + BufferGeometry.call( this ); - var normals = this.attributes.normal.array; - var n1 = new Vector3(); - var n2 = new Vector3(); - var n = new Vector3(); + this.type = 'ParametricBufferGeometry'; - // this is the buffer offset for the last line of vertices - base = segments * points.length * 3; + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; - for( i = 0, j = 0; i < points.length; i ++, j += 3 ) { + // generate vertices and uvs - // select the normal of the vertex in the first line - n1.x = normals[ j + 0 ]; - n1.y = normals[ j + 1 ]; - n1.z = normals[ j + 2 ]; + var vertices = []; + var uvs = []; - // select the normal of the vertex in the last line - n2.x = normals[ base + j + 0 ]; - n2.y = normals[ base + j + 1 ]; - n2.z = normals[ base + j + 2 ]; + var i, j, p; + var u, v; - // average normals - n.addVectors( n1, n2 ).normalize(); + var sliceCount = slices + 1; - // assign the new values to both normals - normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; - normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; - normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; + for ( i = 0; i <= stacks; i ++ ) { - } // next row + v = i / stacks; - } + for ( j = 0; j <= slices; j ++ ) { - } + u = j / slices; - LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; + p = func( u, v ); + vertices.push( p.x, p.y, p.z ); - /** - * @author astrodud / http://astrodud.isgreat.org/ - * @author zz85 / https://github.com/zz85 - * @author bhouston / http://clara.io - */ + uvs.push( u, v ); - // points - to create a closed torus, one must use a set of points - // like so: [ a, b, c, d, a ], see first is the same as last. - // segments - the number of circumference segments to create - // phiStart - the starting radian - // phiLength - the radian (0 to 2PI) range of the lathed section - // 2PI is a closed lathe, less than 2PI is a portion. + } - function LatheGeometry( points, segments, phiStart, phiLength ) { + } - Geometry.call( this ); + // generate indices - this.type = 'LatheGeometry'; + var indices = []; + var a, b, c, d; - this.parameters = { - points: points, - segments: segments, - phiStart: phiStart, - phiLength: phiLength - }; + for ( i = 0; i < stacks; i ++ ) { - this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); - this.mergeVertices(); + for ( j = 0; j < slices; j ++ ) { - } + a = i * sliceCount + j; + b = i * sliceCount + j + 1; + c = ( i + 1 ) * sliceCount + j + 1; + d = ( i + 1 ) * sliceCount + j; - LatheGeometry.prototype = Object.create( Geometry.prototype ); - LatheGeometry.prototype.constructor = LatheGeometry; + // faces one and two - /** - * @author jonobr1 / http://jonobr1.com - * - * Creates a one-sided polygonal geometry from a path shape. Similar to - * ExtrudeGeometry. - * - * parameters = { - * - * curveSegments: , // number of points on the curves. NOT USED AT THE MOMENT. - * - * material: // material index for front and back faces - * uvGenerator: // object that provides UV generator functions - * - * } - **/ + indices.push( a, b, d ); + indices.push( b, c, d ); - function ShapeGeometry( shapes, options ) { + } - Geometry.call( this ); + } - this.type = 'ShapeGeometry'; + // build geometry - if ( Array.isArray( shapes ) === false ) shapes = [ shapes ]; + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); - this.addShapeList( shapes, options ); + // generate normals - this.computeFaceNormals(); + this.computeVertexNormals(); } - ShapeGeometry.prototype = Object.create( Geometry.prototype ); - ShapeGeometry.prototype.constructor = ShapeGeometry; + ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry; /** - * Add an array of shapes to THREE.ShapeGeometry. + * @author zz85 / https://github.com/zz85 + * + * Parametric Surfaces Geometry + * based on the brilliant article by @prideout http://prideout.net/blog/?p=44 */ - ShapeGeometry.prototype.addShapeList = function ( shapes, options ) { - - for ( var i = 0, l = shapes.length; i < l; i ++ ) { - - this.addShape( shapes[ i ], options ); - - } - return this; - - }; - - /** - * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry. - */ - ShapeGeometry.prototype.addShape = function ( shape, options ) { + function ParametricGeometry( func, slices, stacks ) { - if ( options === undefined ) options = {}; - var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + Geometry.call( this ); - var material = options.material; - var uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator; + this.type = 'ParametricGeometry'; - // + this.parameters = { + func: func, + slices: slices, + stacks: stacks + }; - var i, l, hole; + this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) ); + this.mergeVertices(); - var shapesOffset = this.vertices.length; - var shapePoints = shape.extractPoints( curveSegments ); + } - var vertices = shapePoints.shape; - var holes = shapePoints.holes; + ParametricGeometry.prototype = Object.create( Geometry.prototype ); + ParametricGeometry.prototype.constructor = ParametricGeometry; - var reverse = ! ShapeUtils.isClockWise( vertices ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - if ( reverse ) { + function PolyhedronBufferGeometry( vertices, indices, radius, detail ) { - vertices = vertices.reverse(); + BufferGeometry.call( this ); - // Maybe we should also check if holes are in the opposite direction, just to be safe... + this.type = 'PolyhedronBufferGeometry'; - for ( i = 0, l = holes.length; i < l; i ++ ) { + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; - hole = holes[ i ]; + radius = radius || 1; + detail = detail || 0; - if ( ShapeUtils.isClockWise( hole ) ) { + // default buffer data - holes[ i ] = hole.reverse(); + var vertexBuffer = []; + var uvBuffer = []; - } + // the subdivision creates the vertex buffer data - } + subdivide( detail ); - reverse = false; + // all vertices should lie on a conceptual sphere with a given radius - } + appplyRadius( radius ); - var faces = ShapeUtils.triangulateShape( vertices, holes ); + // finally, create the uv data - // Vertices + generateUVs(); - for ( i = 0, l = holes.length; i < l; i ++ ) { + // build non-indexed geometry - hole = holes[ i ]; - vertices = vertices.concat( hole ); + this.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) ); + this.normalizeNormals(); - } + this.boundingSphere = new Sphere( new Vector3(), radius ); - // + // helper functions - var vert, vlen = vertices.length; - var face, flen = faces.length; + function subdivide( detail ) { - for ( i = 0; i < vlen; i ++ ) { + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); - vert = vertices[ i ]; + // iterate over all faces and apply a subdivison with the given detail value - this.vertices.push( new Vector3( vert.x, vert.y, 0 ) ); + for ( var i = 0; i < indices.length; i += 3 ) { - } + // get the vertices of the face - for ( i = 0; i < flen; i ++ ) { + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); - face = faces[ i ]; + // perform subdivision - var a = face[ 0 ] + shapesOffset; - var b = face[ 1 ] + shapesOffset; - var c = face[ 2 ] + shapesOffset; + subdivideFace( a, b, c, detail ); - this.faces.push( new Face3( a, b, c, null, null, material ) ); - this.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) ); + } } - }; - - /** - * @author WestLangley / http://github.com/WestLangley - */ + function subdivideFace( a, b, c, detail ) { - function EdgesGeometry( geometry, thresholdAngle ) { + var cols = Math.pow( 2, detail ); - BufferGeometry.call( this ); + // we use this multidimensional array as a data structure for creating the subdivision - thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; + var v = []; - var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); + var i, j; - var edge = [ 0, 0 ], hash = {}; + // construct all of the vertices for this subdivision - function sortFunction( a, b ) { + for ( i = 0 ; i <= cols; i ++ ) { - return a - b; + v[ i ] = []; - } + var aj = a.clone().lerp( c, i / cols ); + var bj = b.clone().lerp( c, i / cols ); - var keys = [ 'a', 'b', 'c' ]; + var rows = cols - i; - var geometry2; + for ( j = 0; j <= rows; j ++ ) { - if ( (geometry && geometry.isBufferGeometry) ) { + if ( j === 0 && i === cols ) { - geometry2 = new Geometry(); - geometry2.fromBufferGeometry( geometry ); + v[ i ][ j ] = aj; - } else { + } else { - geometry2 = geometry.clone(); + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); - } + } - geometry2.mergeVertices(); - geometry2.computeFaceNormals(); + } - var vertices = geometry2.vertices; - var faces = geometry2.faces; + } - for ( var i = 0, l = faces.length; i < l; i ++ ) { + // construct all of the faces - var face = faces[ i ]; + for ( i = 0; i < cols ; i ++ ) { - for ( var j = 0; j < 3; j ++ ) { + for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { - edge[ 0 ] = face[ keys[ j ] ]; - edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; - edge.sort( sortFunction ); + var k = Math.floor( j / 2 ); - var key = edge.toString(); + if ( j % 2 === 0 ) { - if ( hash[ key ] === undefined ) { + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); - hash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined }; + } else { - } else { + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); - hash[ key ].face2 = i; + } } @@ -27726,5359 +28960,5460 @@ } - var coords = []; + function appplyRadius( radius ) { - for ( var key in hash ) { + var vertex = new Vector3(); - var h = hash[ key ]; + // iterate over the entire buffer and apply the radius to each vertex - if ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) { + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - var vertex = vertices[ h.vert1 ]; - coords.push( vertex.x ); - coords.push( vertex.y ); - coords.push( vertex.z ); + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; - vertex = vertices[ h.vert2 ]; - coords.push( vertex.x ); - coords.push( vertex.y ); - coords.push( vertex.z ); + vertex.normalize().multiplyScalar( radius ); + + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; } } - this.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) ); + function generateUVs() { - } + var vertex = new Vector3(); - EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); - EdgesGeometry.prototype.constructor = EdgesGeometry; + for ( var i = 0; i < vertexBuffer.length; i += 3 ) { - /** - * @author Mugen87 / https://github.com/Mugen87 - */ + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; - function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + var u = azimuth( vertex ) / 2 / Math.PI + 0.5; + var v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); - BufferGeometry.call( this ); + } - this.type = 'CylinderBufferGeometry'; + correctUVs(); - this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + correctSeam(); - var scope = this; + } - radiusTop = radiusTop !== undefined ? radiusTop : 20; - radiusBottom = radiusBottom !== undefined ? radiusBottom : 20; - height = height !== undefined ? height : 100; + function correctSeam() { - radialSegments = Math.floor( radialSegments ) || 8; - heightSegments = Math.floor( heightSegments ) || 1; + // handle case when face straddles the seam, see #3269 - openEnded = openEnded !== undefined ? openEnded : false; - thetaStart = thetaStart !== undefined ? thetaStart : 0.0; - thetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI; + for ( var i = 0; i < uvBuffer.length; i += 6 ) { - // used to calculate buffer length + // uv data of a single face - var nbCap = 0; + var x0 = uvBuffer[ i + 0 ]; + var x1 = uvBuffer[ i + 2 ]; + var x2 = uvBuffer[ i + 4 ]; - if ( openEnded === false ) { + var max = Math.max( x0, x1, x2 ); + var min = Math.min( x0, x1, x2 ); - if ( radiusTop > 0 ) nbCap ++; - if ( radiusBottom > 0 ) nbCap ++; + // 0.9 is somewhat arbitrary - } + if ( max > 0.9 && min < 0.1 ) { - var vertexCount = calculateVertexCount(); - var indexCount = calculateIndexCount(); + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; - // buffers + } - var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 ); - var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); - var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); + } - // helper variables + } - var index = 0, - indexOffset = 0, - indexArray = [], - halfHeight = height / 2; + function pushVertex( vertex ) { - // group variables - var groupStart = 0; + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); - // generate geometry + } - generateTorso(); + function getVertexByIndex( index, vertex ) { - if ( openEnded === false ) { + var stride = index * 3; - if ( radiusTop > 0 ) generateCap( true ); - if ( radiusBottom > 0 ) generateCap( false ); + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; } - // build geometry + function correctUVs() { - this.setIndex( indices ); - this.addAttribute( 'position', vertices ); - this.addAttribute( 'normal', normals ); - this.addAttribute( 'uv', uvs ); + var a = new Vector3(); + var b = new Vector3(); + var c = new Vector3(); - // helper functions + var centroid = new Vector3(); - function calculateVertexCount() { + var uvA = new Vector2(); + var uvB = new Vector2(); + var uvC = new Vector2(); - var count = ( radialSegments + 1 ) * ( heightSegments + 1 ); + for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { - if ( openEnded === false ) { + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); - count += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap ); + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); - } + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); - return count; + var azi = azimuth( centroid ); - } + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); - function calculateIndexCount() { + } - var count = radialSegments * heightSegments * 2 * 3; + } - if ( openEnded === false ) { + function correctUV( uv, stride, vector, azimuth ) { - count += radialSegments * nbCap * 3; + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; } - return count; + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { - } + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; - function generateTorso() { + } - var x, y; - var normal = new Vector3(); - var vertex = new Vector3(); + } - var groupCount = 0; + // Angle around the Y axis, counter-clockwise when looking from above. - // this will be used to calculate the normal - var slope = ( radiusBottom - radiusTop ) / height; + function azimuth( vector ) { - // generate vertices, normals and uvs + return Math.atan2( vector.z, - vector.x ); - for ( y = 0; y <= heightSegments; y ++ ) { + } - var indexRow = []; - var v = y / heightSegments; + // Angle above the XZ plane. - // calculate the radius of the current row - var radius = v * ( radiusBottom - radiusTop ) + radiusTop; + function inclination( vector ) { - for ( x = 0; x <= radialSegments; x ++ ) { + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); - var u = x / radialSegments; + } - var theta = u * thetaLength + thetaStart; + } - var sinTheta = Math.sin( theta ); - var cosTheta = Math.cos( theta ); + PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry; - // vertex - vertex.x = radius * sinTheta; - vertex.y = - v * height + halfHeight; - vertex.z = radius * cosTheta; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - // normal - normal.set( sinTheta, slope, cosTheta ).normalize(); - normals.setXYZ( index, normal.x, normal.y, normal.z ); + function TetrahedronBufferGeometry( radius, detail ) { - // uv - uvs.setXY( index, u, 1 - v ); + var vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; - // save index of vertex in respective row - indexRow.push( index ); + var indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; - // increase index - index ++; + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - } + this.type = 'TetrahedronBufferGeometry'; - // now save vertices of the row in our index array - indexArray.push( indexRow ); + this.parameters = { + radius: radius, + detail: detail + }; - } + } - // generate indices + TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry; - for ( x = 0; x < radialSegments; x ++ ) { + /** + * @author timothypratley / https://github.com/timothypratley + */ - for ( y = 0; y < heightSegments; y ++ ) { + function TetrahedronGeometry( radius, detail ) { - // we use the index array to access the correct indices - var i1 = indexArray[ y ][ x ]; - var i2 = indexArray[ y + 1 ][ x ]; - var i3 = indexArray[ y + 1 ][ x + 1 ]; - var i4 = indexArray[ y ][ x + 1 ]; + Geometry.call( this ); - // face one - indices.setX( indexOffset, i1 ); indexOffset ++; - indices.setX( indexOffset, i2 ); indexOffset ++; - indices.setX( indexOffset, i4 ); indexOffset ++; + this.type = 'TetrahedronGeometry'; - // face two - indices.setX( indexOffset, i2 ); indexOffset ++; - indices.setX( indexOffset, i3 ); indexOffset ++; - indices.setX( indexOffset, i4 ); indexOffset ++; + this.parameters = { + radius: radius, + detail: detail + }; - // update counters - groupCount += 6; + this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - } + } - } + TetrahedronGeometry.prototype = Object.create( Geometry.prototype ); + TetrahedronGeometry.prototype.constructor = TetrahedronGeometry; - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, 0 ); + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - // calculate new start value for groups - groupStart += groupCount; + function OctahedronBufferGeometry( radius,detail ) { - } + var vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; - function generateCap( top ) { + var indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2 + ]; - var x, centerIndexStart, centerIndexEnd; + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - var uv = new Vector2(); - var vertex = new Vector3(); + this.type = 'OctahedronBufferGeometry'; - var groupCount = 0; + this.parameters = { + radius: radius, + detail: detail + }; - var radius = ( top === true ) ? radiusTop : radiusBottom; - var sign = ( top === true ) ? 1 : - 1; + } - // save the index of the first center vertex - centerIndexStart = index; + OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry; - // first we generate the center vertex data of the cap. - // because the geometry needs one set of uvs per face, - // we must generate a center vertex per face/segment + /** + * @author timothypratley / https://github.com/timothypratley + */ - for ( x = 1; x <= radialSegments; x ++ ) { + function OctahedronGeometry( radius, detail ) { - // vertex - vertices.setXYZ( index, 0, halfHeight * sign, 0 ); + Geometry.call( this ); - // normal - normals.setXYZ( index, 0, sign, 0 ); + this.type = 'OctahedronGeometry'; - // uv - uv.x = 0.5; - uv.y = 0.5; + this.parameters = { + radius: radius, + detail: detail + }; - uvs.setXY( index, uv.x, uv.y ); + this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - // increase index - index ++; + } - } + OctahedronGeometry.prototype = Object.create( Geometry.prototype ); + OctahedronGeometry.prototype.constructor = OctahedronGeometry; - // save the index of the last center vertex - centerIndexEnd = index; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - // now we generate the surrounding vertices, normals and uvs + function IcosahedronBufferGeometry( radius, detail ) { - for ( x = 0; x <= radialSegments; x ++ ) { + var t = ( 1 + Math.sqrt( 5 ) ) / 2; - var u = x / radialSegments; - var theta = u * thetaLength + thetaStart; + var vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; - var cosTheta = Math.cos( theta ); - var sinTheta = Math.sin( theta ); + var indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; - // vertex - vertex.x = radius * sinTheta; - vertex.y = halfHeight * sign; - vertex.z = radius * cosTheta; - vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - // normal - normals.setXYZ( index, 0, sign, 0 ); + this.type = 'IcosahedronBufferGeometry'; - // uv - uv.x = ( cosTheta * 0.5 ) + 0.5; - uv.y = ( sinTheta * 0.5 * sign ) + 0.5; - uvs.setXY( index, uv.x, uv.y ); + this.parameters = { + radius: radius, + detail: detail + }; - // increase index - index ++; + } - } + IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry; - // generate indices + /** + * @author timothypratley / https://github.com/timothypratley + */ - for ( x = 0; x < radialSegments; x ++ ) { + function IcosahedronGeometry( radius, detail ) { - var c = centerIndexStart + x; - var i = centerIndexEnd + x; + Geometry.call( this ); - if ( top === true ) { + this.type = 'IcosahedronGeometry'; - // face top - indices.setX( indexOffset, i ); indexOffset ++; - indices.setX( indexOffset, i + 1 ); indexOffset ++; - indices.setX( indexOffset, c ); indexOffset ++; + this.parameters = { + radius: radius, + detail: detail + }; - } else { + this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); - // face bottom - indices.setX( indexOffset, i + 1 ); indexOffset ++; - indices.setX( indexOffset, i ); indexOffset ++; - indices.setX( indexOffset, c ); indexOffset ++; + } - } + IcosahedronGeometry.prototype = Object.create( Geometry.prototype ); + IcosahedronGeometry.prototype.constructor = IcosahedronGeometry; - // update counters - groupCount += 3; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - } + function DodecahedronBufferGeometry( radius, detail ) { - // add a group to the geometry. this will ensure multi material support - scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + var t = ( 1 + Math.sqrt( 5 ) ) / 2; + var r = 1 / t; - // calculate new start value for groups - groupStart += groupCount; + var vertices = [ - } + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, - } + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, - CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, - /** - * @author mrdoob / http://mrdoob.com/ - */ + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; - function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + var indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; - Geometry.call( this ); + PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail ); - this.type = 'CylinderGeometry'; + this.type = 'DodecahedronBufferGeometry'; this.parameters = { - radiusTop: radiusTop, - radiusBottom: radiusBottom, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength + radius: radius, + detail: detail }; - this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); - this.mergeVertices(); - } - CylinderGeometry.prototype = Object.create( Geometry.prototype ); - CylinderGeometry.prototype.constructor = CylinderGeometry; + DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype ); + DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry; /** - * @author abelnation / http://github.com/abelnation + * @author Abe Pazos / https://hamoid.com */ - function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + function DodecahedronGeometry( radius, detail ) { - CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + Geometry.call( this ); - this.type = 'ConeGeometry'; + this.type = 'DodecahedronGeometry'; this.parameters = { radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength + detail: detail }; + this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) ); + this.mergeVertices(); + } - ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); - ConeGeometry.prototype.constructor = ConeGeometry; + DodecahedronGeometry.prototype = Object.create( Geometry.prototype ); + DodecahedronGeometry.prototype.constructor = DodecahedronGeometry; /** - * @author: abelnation / http://github.com/abelnation - */ + * @author clockworkgeek / https://github.com/clockworkgeek + * @author timothypratley / https://github.com/timothypratley + * @author WestLangley / http://github.com/WestLangley + */ - function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { + function PolyhedronGeometry( vertices, indices, radius, detail ) { - CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + Geometry.call( this ); - this.type = 'ConeBufferGeometry'; + this.type = 'PolyhedronGeometry'; this.parameters = { + vertices: vertices, + indices: indices, radius: radius, - height: height, - radialSegments: radialSegments, - heightSegments: heightSegments, - openEnded: openEnded, - thetaStart: thetaStart, - thetaLength: thetaLength + detail: detail }; + this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) ); + this.mergeVertices(); + } - ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); - ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; + PolyhedronGeometry.prototype = Object.create( Geometry.prototype ); + PolyhedronGeometry.prototype.constructor = PolyhedronGeometry; /** - * @author benaadams / https://twitter.com/ben_a_adams + * @author Mugen87 / https://github.com/Mugen87 + * + * Creates a tube which extrudes along a 3d spline. + * */ - function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { + function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) { BufferGeometry.call( this ); - this.type = 'CircleBufferGeometry'; + this.type = 'TubeBufferGeometry'; this.parameters = { + path: path, + tubularSegments: tubularSegments, radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength + radialSegments: radialSegments, + closed: closed }; - radius = radius || 50; - segments = segments !== undefined ? Math.max( 3, segments ) : 8; + tubularSegments = tubularSegments || 64; + radius = radius || 1; + radialSegments = radialSegments || 8; + closed = closed || false; - thetaStart = thetaStart !== undefined ? thetaStart : 0; - thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; + var frames = path.computeFrenetFrames( tubularSegments, closed ); - var vertices = segments + 2; + // expose internals - var positions = new Float32Array( vertices * 3 ); - var normals = new Float32Array( vertices * 3 ); - var uvs = new Float32Array( vertices * 2 ); + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; - // center data is already zero, but need to set a few extras - normals[ 2 ] = 1.0; - uvs[ 0 ] = 0.5; - uvs[ 1 ] = 0.5; + // helper variables - for ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) { + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); - var segment = thetaStart + s / segments * thetaLength; + var i, j; - positions[ i ] = radius * Math.cos( segment ); - positions[ i + 1 ] = radius * Math.sin( segment ); + // buffer - normals[ i + 2 ] = 1; // normal z + var vertices = []; + var normals = []; + var uvs = []; + var indices = []; - uvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2; - uvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2; + // create buffer data - } + generateBufferData(); - var indices = []; + // build geometry - for ( var i = 1; i <= segments; i ++ ) { + this.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', Float32Attribute( vertices, 3 ) ); + this.addAttribute( 'normal', Float32Attribute( normals, 3 ) ); + this.addAttribute( 'uv', Float32Attribute( uvs, 2 ) ); - indices.push( i, i + 1, 0 ); + // functions - } + function generateBufferData() { - this.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) ); - this.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); - this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); + for ( i = 0; i < tubularSegments; i ++ ) { - this.boundingSphere = new Sphere( new Vector3(), radius ); + generateSegment( i ); - } + } - CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) - /** - * @author hughes - */ + generateSegment( ( closed === false ) ? tubularSegments : 0 ); - function CircleGeometry( radius, segments, thetaStart, thetaLength ) { + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries - Geometry.call( this ); + generateUVs(); - this.type = 'CircleGeometry'; + // finally create faces - this.parameters = { - radius: radius, - segments: segments, - thetaStart: thetaStart, - thetaLength: thetaLength - }; + generateIndices(); - this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); + } - } + function generateSegment( i ) { - CircleGeometry.prototype = Object.create( Geometry.prototype ); - CircleGeometry.prototype.constructor = CircleGeometry; + // we use getPointAt to sample evenly distributed points from the given path - /** - * @author mrdoob / http://mrdoob.com/ - * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as - */ + var P = path.getPointAt( i / tubularSegments ); - function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { + // retrieve corresponding normal and binormal - Geometry.call( this ); + var N = frames.normals[ i ]; + var B = frames.binormals[ i ]; - this.type = 'BoxGeometry'; + // generate normals and vertices for the current segment - this.parameters = { - width: width, - height: height, - depth: depth, - widthSegments: widthSegments, - heightSegments: heightSegments, - depthSegments: depthSegments - }; + for ( j = 0; j <= radialSegments; j ++ ) { - this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); - this.mergeVertices(); - - } - - BoxGeometry.prototype = Object.create( Geometry.prototype ); - BoxGeometry.prototype.constructor = BoxGeometry; + var v = j / radialSegments * Math.PI * 2; + var sin = Math.sin( v ); + var cos = - Math.cos( v ); + // normal - var Geometries = Object.freeze({ - WireframeGeometry: WireframeGeometry, - ParametricGeometry: ParametricGeometry, - ParametricBufferGeometry: ParametricBufferGeometry, - TetrahedronGeometry: TetrahedronGeometry, - TetrahedronBufferGeometry: TetrahedronBufferGeometry, - OctahedronGeometry: OctahedronGeometry, - OctahedronBufferGeometry: OctahedronBufferGeometry, - IcosahedronGeometry: IcosahedronGeometry, - IcosahedronBufferGeometry: IcosahedronBufferGeometry, - DodecahedronGeometry: DodecahedronGeometry, - DodecahedronBufferGeometry: DodecahedronBufferGeometry, - PolyhedronGeometry: PolyhedronGeometry, - PolyhedronBufferGeometry: PolyhedronBufferGeometry, - TubeGeometry: TubeGeometry, - TubeBufferGeometry: TubeBufferGeometry, - TorusKnotGeometry: TorusKnotGeometry, - TorusKnotBufferGeometry: TorusKnotBufferGeometry, - TorusGeometry: TorusGeometry, - TorusBufferGeometry: TorusBufferGeometry, - TextGeometry: TextGeometry, - SphereBufferGeometry: SphereBufferGeometry, - SphereGeometry: SphereGeometry, - RingGeometry: RingGeometry, - RingBufferGeometry: RingBufferGeometry, - PlaneBufferGeometry: PlaneBufferGeometry, - PlaneGeometry: PlaneGeometry, - LatheGeometry: LatheGeometry, - LatheBufferGeometry: LatheBufferGeometry, - ShapeGeometry: ShapeGeometry, - ExtrudeGeometry: ExtrudeGeometry, - EdgesGeometry: EdgesGeometry, - ConeGeometry: ConeGeometry, - ConeBufferGeometry: ConeBufferGeometry, - CylinderGeometry: CylinderGeometry, - CylinderBufferGeometry: CylinderBufferGeometry, - CircleBufferGeometry: CircleBufferGeometry, - CircleGeometry: CircleGeometry, - BoxBufferGeometry: BoxBufferGeometry, - BoxGeometry: BoxGeometry - }); + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); - /** - * @author mrdoob / http://mrdoob.com/ - */ + normals.push( normal.x, normal.y, normal.z ); - function ShadowMaterial() { + // vertex - ShaderMaterial.call( this, { - uniforms: UniformsUtils.merge( [ - UniformsLib[ "lights" ], - { - opacity: { value: 1.0 } - } - ] ), - vertexShader: ShaderChunk[ 'shadow_vert' ], - fragmentShader: ShaderChunk[ 'shadow_frag' ] - } ); + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; - this.lights = true; - this.transparent = true; + vertices.push( vertex.x, vertex.y, vertex.z ); - Object.defineProperties( this, { - opacity: { - enumerable: true, - get: function () { - return this.uniforms.opacity.value; - }, - set: function ( value ) { - this.uniforms.opacity.value = value; - } } - } ); - - } - ShadowMaterial.prototype = Object.create( ShaderMaterial.prototype ); - ShadowMaterial.prototype.constructor = ShadowMaterial; + } - ShadowMaterial.prototype.isShadowMaterial = true; + function generateIndices() { - /** - * @author mrdoob / http://mrdoob.com/ - */ + for ( j = 1; j <= tubularSegments; j ++ ) { - function RawShaderMaterial( parameters ) { + for ( i = 1; i <= radialSegments; i ++ ) { - ShaderMaterial.call( this, parameters ); + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; - this.type = 'RawShaderMaterial'; + // faces - } + indices.push( a, b, d ); + indices.push( b, c, d ); - RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); - RawShaderMaterial.prototype.constructor = RawShaderMaterial; + } - RawShaderMaterial.prototype.isRawShaderMaterial = true; + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function MultiMaterial( materials ) { + function generateUVs() { - this.uuid = _Math.generateUUID(); + for ( i = 0; i <= tubularSegments; i ++ ) { - this.type = 'MultiMaterial'; + for ( j = 0; j <= radialSegments; j ++ ) { - this.materials = materials instanceof Array ? materials : []; + uv.x = i / tubularSegments; + uv.y = j / radialSegments; - this.visible = true; + uvs.push( uv.x, uv.y ); - } + } - MultiMaterial.prototype = { + } - constructor: MultiMaterial, + } - isMultiMaterial: true, + } - toJSON: function ( meta ) { + TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TubeBufferGeometry.prototype.constructor = TubeBufferGeometry; - var output = { - metadata: { - version: 4.2, - type: 'material', - generator: 'MaterialExporter' - }, - uuid: this.uuid, - type: this.type, - materials: [] - }; + /** + * @author oosmoxiecode / https://github.com/oosmoxiecode + * @author WestLangley / https://github.com/WestLangley + * @author zz85 / https://github.com/zz85 + * @author miningold / https://github.com/miningold + * @author jonobr1 / https://github.com/jonobr1 + * + * Creates a tube which extrudes along a 3d spline. + */ - var materials = this.materials; + function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) { - for ( var i = 0, l = materials.length; i < l; i ++ ) { + Geometry.call( this ); - var material = materials[ i ].toJSON( meta ); - delete material.metadata; + this.type = 'TubeGeometry'; - output.materials.push( material ); + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; - } + if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' ); - output.visible = this.visible; + var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ); - return output; + // expose internals - }, + this.tangents = bufferGeometry.tangents; + this.normals = bufferGeometry.normals; + this.binormals = bufferGeometry.binormals; - clone: function () { + // create geometry - var material = new this.constructor(); + this.fromBufferGeometry( bufferGeometry ); + this.mergeVertices(); - for ( var i = 0; i < this.materials.length; i ++ ) { + } - material.materials.push( this.materials[ i ].clone() ); + TubeGeometry.prototype = Object.create( Geometry.prototype ); + TubeGeometry.prototype.constructor = TubeGeometry; - } + /** + * @author Mugen87 / https://github.com/Mugen87 + * + * see: http://www.blackpawn.com/texts/pqtorus/ + */ + function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) { - material.visible = this.visible; + BufferGeometry.call( this ); - return material; + this.type = 'TorusKnotBufferGeometry'; - } + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; - }; + radius = radius || 100; + tube = tube || 40; + tubularSegments = Math.floor( tubularSegments ) || 64; + radialSegments = Math.floor( radialSegments ) || 8; + p = p || 2; + q = q || 3; - /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * color: , - * roughness: , - * metalness: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * roughnessMap: new THREE.Texture( ), - * - * metalnessMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), - * envMapIntensity: - * - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; - function MeshStandardMaterial( parameters ) { + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - Material.call( this ); + // helper variables + var i, j, index = 0, indexOffset = 0; - this.defines = { 'STANDARD': '' }; + var vertex = new Vector3(); + var normal = new Vector3(); + var uv = new Vector2(); - this.type = 'MeshStandardMaterial'; + var P1 = new Vector3(); + var P2 = new Vector3(); - this.color = new Color( 0xffffff ); // diffuse - this.roughness = 0.5; - this.metalness = 0.5; + var B = new Vector3(); + var T = new Vector3(); + var N = new Vector3(); - this.map = null; + // generate vertices, normals and uvs - this.lightMap = null; - this.lightMapIntensity = 1.0; + for ( i = 0; i <= tubularSegments; ++ i ) { - this.aoMap = null; - this.aoMapIntensity = 1.0; + // the radian "u" is used to calculate the position on the torus curve of the current tubular segement - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + var u = i / tubularSegments * p * Math.PI * 2; - this.bumpMap = null; - this.bumpScale = 1; + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions - this.normalMap = null; - this.normalScale = new Vector2( 1, 1 ); + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + // calculate orthonormal basis - this.roughnessMap = null; + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); - this.metalnessMap = null; + // normalize B, N. T can be ignored, we don't use it - this.alphaMap = null; + B.normalize(); + N.normalize(); - this.envMap = null; - this.envMapIntensity = 1.0; + for ( j = 0; j <= radialSegments; ++ j ) { - this.refractionRatio = 0.98; + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + var v = j / radialSegments * Math.PI * 2; + var cx = - tube * Math.cos( v ); + var cy = tube * Math.sin( v ); - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve - this.setValues( parameters ); + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); - } + // vertex + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - MeshStandardMaterial.prototype = Object.create( Material.prototype ); - MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + normal.subVectors( vertex, P1 ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); - MeshStandardMaterial.prototype.isMeshStandardMaterial = true; + // uv + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.setXY( index, uv.x, uv.y ); - MeshStandardMaterial.prototype.copy = function ( source ) { + // increase index + index ++; - Material.prototype.copy.call( this, source ); + } - this.defines = { 'STANDARD': '' }; + } - this.color.copy( source.color ); - this.roughness = source.roughness; - this.metalness = source.metalness; + // generate indices - this.map = source.map; + for ( j = 1; j <= tubularSegments; j ++ ) { - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; + for ( i = 1; i <= radialSegments; i ++ ) { - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + // indices + var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + var b = ( radialSegments + 1 ) * j + ( i - 1 ); + var c = ( radialSegments + 1 ) * j + i; + var d = ( radialSegments + 1 ) * ( j - 1 ) + i; - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - this.normalMap = source.normalMap; - this.normalScale.copy( source.normalScale ); + } - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + } - this.roughnessMap = source.roughnessMap; + // build geometry - this.metalnessMap = source.metalnessMap; + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - this.alphaMap = source.alphaMap; + // this function calculates the current position on the torus curve - this.envMap = source.envMap; - this.envMapIntensity = source.envMapIntensity; + function calculatePositionOnCurve( u, p, q, radius, position ) { - this.refractionRatio = source.refractionRatio; + var cu = Math.cos( u ); + var su = Math.sin( u ); + var quOverP = q / p * u; + var cs = Math.cos( quOverP ); - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + } - return this; + } - }; + TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry; /** - * @author WestLangley / http://github.com/WestLangley - * - * parameters = { - * reflectivity: - * } + * @author oosmoxiecode */ - function MeshPhysicalMaterial( parameters ) { - - MeshStandardMaterial.call( this ); + function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) { - this.defines = { 'PHYSICAL': '' }; + Geometry.call( this ); - this.type = 'MeshPhysicalMaterial'; + this.type = 'TorusKnotGeometry'; - this.reflectivity = 0.5; // maps to F0 = 0.04 + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; - this.clearCoat = 0.0; - this.clearCoatRoughness = 0.0; + if( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' ); - this.setValues( parameters ); + this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) ); + this.mergeVertices(); } - MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); - MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; + TorusKnotGeometry.prototype = Object.create( Geometry.prototype ); + TorusKnotGeometry.prototype.constructor = TorusKnotGeometry; - MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - MeshPhysicalMaterial.prototype.copy = function ( source ) { + function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - MeshStandardMaterial.prototype.copy.call( this, source ); + BufferGeometry.call( this ); - this.defines = { 'PHYSICAL': '' }; + this.type = 'TorusBufferGeometry'; - this.reflectivity = source.reflectivity; + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; - this.clearCoat = source.clearCoat; - this.clearCoatRoughness = source.clearCoatRoughness; + radius = radius || 100; + tube = tube || 40; + radialSegments = Math.floor( radialSegments ) || 8; + tubularSegments = Math.floor( tubularSegments ) || 6; + arc = arc || Math.PI * 2; - return this; + // used to calculate buffer length + var vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) ); + var indexCount = radialSegments * tubularSegments * 2 * 3; - }; + // buffers + var indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ); + var vertices = new Float32Array( vertexCount * 3 ); + var normals = new Float32Array( vertexCount * 3 ); + var uvs = new Float32Array( vertexCount * 2 ); - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * specular: , - * shininess: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * bumpMap: new THREE.Texture( ), - * bumpScale: , - * - * normalMap: new THREE.Texture( ), - * normalScale: , - * - * displacementMap: new THREE.Texture( ), - * displacementScale: , - * displacementBias: , - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ - - function MeshPhongMaterial( parameters ) { - - Material.call( this ); + // offset variables + var vertexBufferOffset = 0; + var uvBufferOffset = 0; + var indexBufferOffset = 0; - this.type = 'MeshPhongMaterial'; + // helper variables + var center = new Vector3(); + var vertex = new Vector3(); + var normal = new Vector3(); - this.color = new Color( 0xffffff ); // diffuse - this.specular = new Color( 0x111111 ); - this.shininess = 30; + var j, i; - this.map = null; + // generate vertices, normals and uvs - this.lightMap = null; - this.lightMapIntensity = 1.0; + for ( j = 0; j <= radialSegments; j ++ ) { - this.aoMap = null; - this.aoMapIntensity = 1.0; + for ( i = 0; i <= tubularSegments; i ++ ) { - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + var u = i / tubularSegments * arc; + var v = j / radialSegments * Math.PI * 2; - this.bumpMap = null; - this.bumpScale = 1; + // vertex + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); - this.normalMap = null; - this.normalScale = new Vector2( 1, 1 ); + vertices[ vertexBufferOffset ] = vertex.x; + vertices[ vertexBufferOffset + 1 ] = vertex.y; + vertices[ vertexBufferOffset + 2 ] = vertex.z; - this.displacementMap = null; - this.displacementScale = 1; - this.displacementBias = 0; + // this vector is used to calculate the normal + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); - this.specularMap = null; + // normal + normal.subVectors( vertex, center ).normalize(); - this.alphaMap = null; + normals[ vertexBufferOffset ] = normal.x; + normals[ vertexBufferOffset + 1 ] = normal.y; + normals[ vertexBufferOffset + 2 ] = normal.z; - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + // uv + uvs[ uvBufferOffset ] = i / tubularSegments; + uvs[ uvBufferOffset + 1 ] = j / radialSegments; - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + // update offsets + vertexBufferOffset += 3; + uvBufferOffset += 2; - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + } - this.setValues( parameters ); + } - } + // generate indices - MeshPhongMaterial.prototype = Object.create( Material.prototype ); - MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; + for ( j = 1; j <= radialSegments; j ++ ) { - MeshPhongMaterial.prototype.isMeshPhongMaterial = true; + for ( i = 1; i <= tubularSegments; i ++ ) { - MeshPhongMaterial.prototype.copy = function ( source ) { + // indices + var a = ( tubularSegments + 1 ) * j + i - 1; + var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + var c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + var d = ( tubularSegments + 1 ) * j + i; - Material.prototype.copy.call( this, source ); + // face one + indices[ indexBufferOffset ] = a; + indices[ indexBufferOffset + 1 ] = b; + indices[ indexBufferOffset + 2 ] = d; - this.color.copy( source.color ); - this.specular.copy( source.specular ); - this.shininess = source.shininess; + // face two + indices[ indexBufferOffset + 3 ] = b; + indices[ indexBufferOffset + 4 ] = c; + indices[ indexBufferOffset + 5 ] = d; - this.map = source.map; + // update offset + indexBufferOffset += 6; - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; + } - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + } - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + // build geometry + this.setIndex( new BufferAttribute( indices, 1 ) ); + this.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - this.bumpMap = source.bumpMap; - this.bumpScale = source.bumpScale; + } - this.normalMap = source.normalMap; - this.normalScale.copy( source.normalScale ); + TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + TorusBufferGeometry.prototype.constructor = TorusBufferGeometry; - this.displacementMap = source.displacementMap; - this.displacementScale = source.displacementScale; - this.displacementBias = source.displacementBias; + /** + * @author oosmoxiecode + * @author mrdoob / http://mrdoob.com/ + * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888 + */ - this.specularMap = source.specularMap; + function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) { - this.alphaMap = source.alphaMap; + Geometry.call( this ); - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + this.type = 'TorusGeometry'; - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) ); - return this; + } - }; + TorusGeometry.prototype = Object.create( Geometry.prototype ); + TorusGeometry.prototype.constructor = TorusGeometry; /** - * @author mrdoob / http://mrdoob.com/ - * - * parameters = { - * opacity: , - * - * wireframe: , - * wireframeLinewidth: - * } + * @author zz85 / http://www.lab4games.net/zz85/blog */ - function MeshNormalMaterial( parameters ) { + var ShapeUtils = { - Material.call( this, parameters ); + // calculate area of the contour polygon - this.type = 'MeshNormalMaterial'; + area: function ( contour ) { - this.wireframe = false; - this.wireframeLinewidth = 1; + var n = contour.length; + var a = 0.0; - this.fog = false; - this.lights = false; - this.morphTargets = false; + for ( var p = n - 1, q = 0; q < n; p = q ++ ) { - this.setValues( parameters ); + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; - } + } - MeshNormalMaterial.prototype = Object.create( Material.prototype ); - MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; + return a * 0.5; - MeshNormalMaterial.prototype.isMeshNormalMaterial = true; + }, - MeshNormalMaterial.prototype.copy = function ( source ) { + triangulate: ( function () { - Material.prototype.copy.call( this, source ); + /** + * This code is a quick port of code written in C++ which was submitted to + * flipcode.com by John W. Ratcliff // July 22, 2000 + * See original code and more information here: + * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml + * + * ported to actionscript by Zevan Rosser + * www.actionsnippet.com + * + * ported to javascript by Joshua Koo + * http://www.lab4games.net/zz85/blog + * + */ - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; + function snip( contour, u, v, w, n, verts ) { - return this; + var p; + var ax, ay, bx, by; + var cx, cy, px, py; - }; + ax = contour[ verts[ u ] ].x; + ay = contour[ verts[ u ] ].y; - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * map: new THREE.Texture( ), - * - * lightMap: new THREE.Texture( ), - * lightMapIntensity: - * - * aoMap: new THREE.Texture( ), - * aoMapIntensity: - * - * emissive: , - * emissiveIntensity: - * emissiveMap: new THREE.Texture( ), - * - * specularMap: new THREE.Texture( ), - * - * alphaMap: new THREE.Texture( ), - * - * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), - * combine: THREE.Multiply, - * reflectivity: , - * refractionRatio: , - * - * wireframe: , - * wireframeLinewidth: , - * - * skinning: , - * morphTargets: , - * morphNormals: - * } - */ + bx = contour[ verts[ v ] ].x; + by = contour[ verts[ v ] ].y; - function MeshLambertMaterial( parameters ) { + cx = contour[ verts[ w ] ].x; + cy = contour[ verts[ w ] ].y; - Material.call( this ); + if ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false; - this.type = 'MeshLambertMaterial'; + var aX, aY, bX, bY, cX, cY; + var apx, apy, bpx, bpy, cpx, cpy; + var cCROSSap, bCROSScp, aCROSSbp; - this.color = new Color( 0xffffff ); // diffuse + aX = cx - bx; aY = cy - by; + bX = ax - cx; bY = ay - cy; + cX = bx - ax; cY = by - ay; - this.map = null; + for ( p = 0; p < n; p ++ ) { - this.lightMap = null; - this.lightMapIntensity = 1.0; + px = contour[ verts[ p ] ].x; + py = contour[ verts[ p ] ].y; - this.aoMap = null; - this.aoMapIntensity = 1.0; + if ( ( ( px === ax ) && ( py === ay ) ) || + ( ( px === bx ) && ( py === by ) ) || + ( ( px === cx ) && ( py === cy ) ) ) continue; - this.emissive = new Color( 0x000000 ); - this.emissiveIntensity = 1.0; - this.emissiveMap = null; + apx = px - ax; apy = py - ay; + bpx = px - bx; bpy = py - by; + cpx = px - cx; cpy = py - cy; - this.specularMap = null; + // see if p is inside triangle abc - this.alphaMap = null; + aCROSSbp = aX * bpy - aY * bpx; + cCROSSap = cX * apy - cY * apx; + bCROSScp = bX * cpy - bY * cpx; - this.envMap = null; - this.combine = MultiplyOperation; - this.reflectivity = 1; - this.refractionRatio = 0.98; + if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false; - this.wireframe = false; - this.wireframeLinewidth = 1; - this.wireframeLinecap = 'round'; - this.wireframeLinejoin = 'round'; + } - this.skinning = false; - this.morphTargets = false; - this.morphNormals = false; + return true; - this.setValues( parameters ); + } - } + // takes in an contour array and returns - MeshLambertMaterial.prototype = Object.create( Material.prototype ); - MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; + return function triangulate( contour, indices ) { - MeshLambertMaterial.prototype.isMeshLambertMaterial = true; + var n = contour.length; - MeshLambertMaterial.prototype.copy = function ( source ) { + if ( n < 3 ) return null; - Material.prototype.copy.call( this, source ); + var result = [], + verts = [], + vertIndices = []; - this.color.copy( source.color ); + /* we want a counter-clockwise polygon in verts */ - this.map = source.map; + var u, v, w; - this.lightMap = source.lightMap; - this.lightMapIntensity = source.lightMapIntensity; + if ( ShapeUtils.area( contour ) > 0.0 ) { - this.aoMap = source.aoMap; - this.aoMapIntensity = source.aoMapIntensity; + for ( v = 0; v < n; v ++ ) verts[ v ] = v; - this.emissive.copy( source.emissive ); - this.emissiveMap = source.emissiveMap; - this.emissiveIntensity = source.emissiveIntensity; + } else { - this.specularMap = source.specularMap; + for ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v; - this.alphaMap = source.alphaMap; + } - this.envMap = source.envMap; - this.combine = source.combine; - this.reflectivity = source.reflectivity; - this.refractionRatio = source.refractionRatio; + var nv = n; - this.wireframe = source.wireframe; - this.wireframeLinewidth = source.wireframeLinewidth; - this.wireframeLinecap = source.wireframeLinecap; - this.wireframeLinejoin = source.wireframeLinejoin; + /* remove nv - 2 vertices, creating 1 triangle every time */ - this.skinning = source.skinning; - this.morphTargets = source.morphTargets; - this.morphNormals = source.morphNormals; + var count = 2 * nv; /* error detection */ - return this; + for ( v = nv - 1; nv > 2; ) { - }; + /* if we loop, it is probably a non-simple polygon */ - /** - * @author alteredq / http://alteredqualia.com/ - * - * parameters = { - * color: , - * opacity: , - * - * linewidth: , - * - * scale: , - * dashSize: , - * gapSize: - * } - */ + if ( ( count -- ) <= 0 ) { - function LineDashedMaterial( parameters ) { + //** Triangulate: ERROR - probable bad polygon! - Material.call( this ); + //throw ( "Warning, unable to triangulate polygon!" ); + //return null; + // Sometimes warning is fine, especially polygons are triangulated in reverse. + console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' ); - this.type = 'LineDashedMaterial'; + if ( indices ) return vertIndices; + return result; - this.color = new Color( 0xffffff ); + } - this.linewidth = 1; + /* three consecutive vertices in current polygon, */ - this.scale = 1; - this.dashSize = 3; - this.gapSize = 1; + u = v; if ( nv <= u ) u = 0; /* previous */ + v = u + 1; if ( nv <= v ) v = 0; /* new v */ + w = v + 1; if ( nv <= w ) w = 0; /* next */ - this.lights = false; + if ( snip( contour, u, v, w, nv, verts ) ) { - this.setValues( parameters ); + var a, b, c, s, t; - } + /* true names of the vertices */ - LineDashedMaterial.prototype = Object.create( Material.prototype ); - LineDashedMaterial.prototype.constructor = LineDashedMaterial; + a = verts[ u ]; + b = verts[ v ]; + c = verts[ w ]; - LineDashedMaterial.prototype.isLineDashedMaterial = true; + /* output Triangle */ - LineDashedMaterial.prototype.copy = function ( source ) { + result.push( [ contour[ a ], + contour[ b ], + contour[ c ] ] ); - Material.prototype.copy.call( this, source ); - this.color.copy( source.color ); + vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] ); - this.linewidth = source.linewidth; + /* remove v from the remaining polygon */ - this.scale = source.scale; - this.dashSize = source.dashSize; - this.gapSize = source.gapSize; + for ( s = v, t = v + 1; t < nv; s ++, t ++ ) { - return this; + verts[ s ] = verts[ t ]; - }; + } + nv --; + /* reset error detection counter */ - var Materials = Object.freeze({ - ShadowMaterial: ShadowMaterial, - SpriteMaterial: SpriteMaterial, - RawShaderMaterial: RawShaderMaterial, - ShaderMaterial: ShaderMaterial, - PointsMaterial: PointsMaterial, - MultiMaterial: MultiMaterial, - MeshPhysicalMaterial: MeshPhysicalMaterial, - MeshStandardMaterial: MeshStandardMaterial, - MeshPhongMaterial: MeshPhongMaterial, - MeshNormalMaterial: MeshNormalMaterial, - MeshLambertMaterial: MeshLambertMaterial, - MeshDepthMaterial: MeshDepthMaterial, - MeshBasicMaterial: MeshBasicMaterial, - LineDashedMaterial: LineDashedMaterial, - LineBasicMaterial: LineBasicMaterial, - Material: Material - }); + count = 2 * nv; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - var Cache = { + } - enabled: false, + if ( indices ) return vertIndices; + return result; - files: {}, + } - add: function ( key, file ) { + } )(), - if ( this.enabled === false ) return; + triangulateShape: function ( contour, holes ) { - // console.log( 'THREE.Cache', 'Adding key:', key ); + function removeDupEndPts(points) { - this.files[ key ] = file; + var l = points.length; - }, + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { - get: function ( key ) { - - if ( this.enabled === false ) return; + points.pop(); - // console.log( 'THREE.Cache', 'Checking key:', key ); + } - return this.files[ key ]; + } - }, + removeDupEndPts( contour ); + holes.forEach( removeDupEndPts ); - remove: function ( key ) { + function point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) { - delete this.files[ key ]; + // inOtherPt needs to be collinear to the inSegment + if ( inSegPt1.x !== inSegPt2.x ) { - }, + if ( inSegPt1.x < inSegPt2.x ) { - clear: function () { + return ( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) ); - this.files = {}; + } else { - } + return ( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) ); - }; + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } else { - function LoadingManager( onLoad, onProgress, onError ) { + if ( inSegPt1.y < inSegPt2.y ) { - var scope = this; + return ( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) ); - var isLoading = false, itemsLoaded = 0, itemsTotal = 0; + } else { - this.onStart = undefined; - this.onLoad = onLoad; - this.onProgress = onProgress; - this.onError = onError; + return ( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) ); - this.itemStart = function ( url ) { + } - itemsTotal ++; + } - if ( isLoading === false ) { + } - if ( scope.onStart !== undefined ) { + function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) { - scope.onStart( url, itemsLoaded, itemsTotal ); + var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y; + var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y; - } + var seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x; + var seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y; - } + var limit = seg1dy * seg2dx - seg1dx * seg2dy; + var perpSeg1 = seg1dy * seg1seg2dx - seg1dx * seg1seg2dy; - isLoading = true; + if ( Math.abs( limit ) > Number.EPSILON ) { - }; + // not parallel - this.itemEnd = function ( url ) { + var perpSeg2; + if ( limit > 0 ) { - itemsLoaded ++; + if ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) return []; - if ( scope.onProgress !== undefined ) { + } else { - scope.onProgress( url, itemsLoaded, itemsTotal ); + if ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) return []; + perpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy; + if ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) return []; - } + } - if ( itemsLoaded === itemsTotal ) { + // i.e. to reduce rounding errors + // intersection at endpoint of segment#1? + if ( perpSeg2 === 0 ) { - isLoading = false; + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt1 ]; - if ( scope.onLoad !== undefined ) { + } + if ( perpSeg2 === limit ) { - scope.onLoad(); + if ( ( inExcludeAdjacentSegs ) && + ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) ) return []; + return [ inSeg1Pt2 ]; - } + } + // intersection at endpoint of segment#2? + if ( perpSeg1 === 0 ) return [ inSeg2Pt1 ]; + if ( perpSeg1 === limit ) return [ inSeg2Pt2 ]; - } + // return real intersection point + var factorSeg1 = perpSeg2 / limit; + return [ { x: inSeg1Pt1.x + factorSeg1 * seg1dx, + y: inSeg1Pt1.y + factorSeg1 * seg1dy } ]; - }; + } else { - this.itemError = function ( url ) { + // parallel or collinear + if ( ( perpSeg1 !== 0 ) || + ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) return []; - if ( scope.onError !== undefined ) { + // they are collinear or degenerate + var seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) ); // segment1 is just a point? + var seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) ); // segment2 is just a point? + // both segments are points + if ( seg1Pt && seg2Pt ) { - scope.onError( url ); + if ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) || + ( inSeg1Pt1.y !== inSeg2Pt1.y ) ) return []; // they are distinct points + return [ inSeg1Pt1 ]; // they are the same point - } + } + // segment#1 is a single point + if ( seg1Pt ) { - }; + if ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) ) return []; // but not in segment#2 + return [ inSeg1Pt1 ]; - } + } + // segment#2 is a single point + if ( seg2Pt ) { - var DefaultLoadingManager = new LoadingManager(); + if ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) ) return []; // but not in segment#1 + return [ inSeg2Pt1 ]; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function XHRLoader( manager ) { + // they are collinear segments, which might overlap + var seg1min, seg1max, seg1minVal, seg1maxVal; + var seg2min, seg2max, seg2minVal, seg2maxVal; + if ( seg1dx !== 0 ) { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + // the segments are NOT on a vertical line + if ( inSeg1Pt1.x < inSeg1Pt2.x ) { - } + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x; - Object.assign( XHRLoader.prototype, { + } else { - load: function ( url, onLoad, onProgress, onError ) { + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x; - if ( url === undefined ) url = ''; + } + if ( inSeg2Pt1.x < inSeg2Pt2.x ) { - if ( this.path !== undefined ) url = this.path + url; + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x; - var scope = this; + } else { - var cached = Cache.get( url ); + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x; - if ( cached !== undefined ) { + } - scope.manager.itemStart( url ); + } else { - setTimeout( function () { + // the segments are on a vertical line + if ( inSeg1Pt1.y < inSeg1Pt2.y ) { - if ( onLoad ) onLoad( cached ); + seg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y; + seg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y; - scope.manager.itemEnd( url ); + } else { - }, 0 ); + seg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y; + seg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y; - return cached; + } + if ( inSeg2Pt1.y < inSeg2Pt2.y ) { - } + seg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y; + seg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y; - // Check for data: URI - var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; - var dataUriRegexResult = url.match( dataUriRegex ); + } else { - // Safari can not handle Data URIs through XMLHttpRequest so process manually - if ( dataUriRegexResult ) { + seg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y; + seg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y; - var mimeType = dataUriRegexResult[1]; - var isBase64 = !!dataUriRegexResult[2]; - var data = dataUriRegexResult[3]; + } - data = window.decodeURIComponent(data); + } + if ( seg1minVal <= seg2minVal ) { - if( isBase64 ) { - data = window.atob(data); - } + if ( seg1maxVal < seg2minVal ) return []; + if ( seg1maxVal === seg2minVal ) { - try { + if ( inExcludeAdjacentSegs ) return []; + return [ seg2min ]; - var response; - var responseType = ( this.responseType || '' ).toLowerCase(); + } + if ( seg1maxVal <= seg2maxVal ) return [ seg2min, seg1max ]; + return [ seg2min, seg2max ]; - switch ( responseType ) { + } else { - case 'arraybuffer': - case 'blob': + if ( seg1minVal > seg2maxVal ) return []; + if ( seg1minVal === seg2maxVal ) { - response = new ArrayBuffer( data.length ); - var view = new Uint8Array( response ); - for ( var i = 0; i < data.length; i ++ ) { + if ( inExcludeAdjacentSegs ) return []; + return [ seg1min ]; - view[ i ] = data.charCodeAt( i ); + } + if ( seg1maxVal <= seg2maxVal ) return [ seg1min, seg1max ]; + return [ seg1min, seg2max ]; - } + } - if ( responseType === 'blob' ) { + } - response = new Blob( [ response ], { "type" : mimeType } ); + } - } + function isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) { - break; + // The order of legs is important - case 'document': + // translation of all points, so that Vertex is at (0,0) + var legFromPtX = inLegFromPt.x - inVertex.x, legFromPtY = inLegFromPt.y - inVertex.y; + var legToPtX = inLegToPt.x - inVertex.x, legToPtY = inLegToPt.y - inVertex.y; + var otherPtX = inOtherPt.x - inVertex.x, otherPtY = inOtherPt.y - inVertex.y; - var parser = new DOMParser(); - response = parser.parseFromString( data, mimeType ); + // main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg. + var from2toAngle = legFromPtX * legToPtY - legFromPtY * legToPtX; + var from2otherAngle = legFromPtX * otherPtY - legFromPtY * otherPtX; - break; + if ( Math.abs( from2toAngle ) > Number.EPSILON ) { - case 'json': + // angle != 180 deg. - response = JSON.parse( data ); + var other2toAngle = otherPtX * legToPtY - otherPtY * legToPtX; + // console.log( "from2to: " + from2toAngle + ", from2other: " + from2otherAngle + ", other2to: " + other2toAngle ); - break; + if ( from2toAngle > 0 ) { - default: // 'text' or other + // main angle < 180 deg. + return ( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) ); - response = data; + } else { - break; + // main angle > 180 deg. + return ( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) ); } - // Wait for next browser tick - window.setTimeout( function() { - - if ( onLoad ) onLoad( response ); + } else { - scope.manager.itemEnd( url ); + // angle == 180 deg. + // console.log( "from2to: 180 deg., from2other: " + from2otherAngle ); + return ( from2otherAngle > 0 ); - }, 0); + } - } catch ( error ) { + } - // Wait for next browser tick - window.setTimeout( function() { - if ( onError ) onError( error ); + function removeHoles( contour, holes ) { - scope.manager.itemError( url ); + var shape = contour.concat(); // work on this shape + var hole; - }, 0); + function isCutLineInsideAngles( inShapeIdx, inHoleIdx ) { - } + // Check if hole point lies within angle around shape point + var lastShapeIdx = shape.length - 1; - } else { + var prevShapeIdx = inShapeIdx - 1; + if ( prevShapeIdx < 0 ) prevShapeIdx = lastShapeIdx; - var request = new XMLHttpRequest(); - request.open( 'GET', url, true ); + var nextShapeIdx = inShapeIdx + 1; + if ( nextShapeIdx > lastShapeIdx ) nextShapeIdx = 0; - request.addEventListener( 'load', function ( event ) { + var insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] ); + if ( ! insideAngle ) { - var response = event.target.response; + // console.log( "Vertex (Shape): " + inShapeIdx + ", Point: " + hole[inHoleIdx].x + "/" + hole[inHoleIdx].y ); + return false; - Cache.add( url, response ); + } - if ( this.status === 200 ) { + // Check if shape point lies within angle around hole point + var lastHoleIdx = hole.length - 1; - if ( onLoad ) onLoad( response ); + var prevHoleIdx = inHoleIdx - 1; + if ( prevHoleIdx < 0 ) prevHoleIdx = lastHoleIdx; - scope.manager.itemEnd( url ); + var nextHoleIdx = inHoleIdx + 1; + if ( nextHoleIdx > lastHoleIdx ) nextHoleIdx = 0; - } else if ( this.status === 0 ) { + insideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] ); + if ( ! insideAngle ) { - // Some browsers return HTTP Status 0 when using non-http protocol - // e.g. 'file://' or 'data://'. Handle as success. + // console.log( "Vertex (Hole): " + inHoleIdx + ", Point: " + shape[inShapeIdx].x + "/" + shape[inShapeIdx].y ); + return false; - console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' ); + } - if ( onLoad ) onLoad( response ); + return true; - scope.manager.itemEnd( url ); + } - } else { + function intersectsShapeEdge( inShapePt, inHolePt ) { - if ( onError ) onError( event ); + // checks for intersections with shape edges + var sIdx, nextIdx, intersection; + for ( sIdx = 0; sIdx < shape.length; sIdx ++ ) { - scope.manager.itemError( url ); + nextIdx = sIdx + 1; nextIdx %= shape.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; } - }, false ); + return false; - if ( onProgress !== undefined ) { + } - request.addEventListener( 'progress', function ( event ) { + var indepHoles = []; - onProgress( event ); + function intersectsHoleEdge( inShapePt, inHolePt ) { - }, false ); + // checks for intersections with hole edges + var ihIdx, chkHole, + hIdx, nextIdx, intersection; + for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) { - } + chkHole = holes[ indepHoles[ ihIdx ]]; + for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) { - request.addEventListener( 'error', function ( event ) { + nextIdx = hIdx + 1; nextIdx %= chkHole.length; + intersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true ); + if ( intersection.length > 0 ) return true; - if ( onError ) onError( event ); + } - scope.manager.itemError( url ); + } + return false; - }, false ); + } - if ( this.responseType !== undefined ) request.responseType = this.responseType; - if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; + var holeIndex, shapeIndex, + shapePt, holePt, + holeIdx, cutKey, failedCuts = [], + tmpShape1, tmpShape2, + tmpHole1, tmpHole2; - if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' ); + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { - request.send( null ); + indepHoles.push( h ); - } + } - scope.manager.itemStart( url ); + var minShapeIndex = 0; + var counter = indepHoles.length * 2; + while ( indepHoles.length > 0 ) { - return request; + counter --; + if ( counter < 0 ) { - }, + console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" ); + break; - setPath: function ( value ) { + } - this.path = value; - return this; + // search for shape-vertex and hole-vertex, + // which can be connected without intersections + for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) { - }, + shapePt = shape[ shapeIndex ]; + holeIndex = - 1; - setResponseType: function ( value ) { + // search for hole which can be reached without intersections + for ( var h = 0; h < indepHoles.length; h ++ ) { - this.responseType = value; - return this; + holeIdx = indepHoles[ h ]; - }, + // prevent multiple checks + cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx; + if ( failedCuts[ cutKey ] !== undefined ) continue; - setWithCredentials: function ( value ) { + hole = holes[ holeIdx ]; + for ( var h2 = 0; h2 < hole.length; h2 ++ ) { - this.withCredentials = value; - return this; + holePt = hole[ h2 ]; + if ( ! isCutLineInsideAngles( shapeIndex, h2 ) ) continue; + if ( intersectsShapeEdge( shapePt, holePt ) ) continue; + if ( intersectsHoleEdge( shapePt, holePt ) ) continue; - } + holeIndex = h2; + indepHoles.splice( h, 1 ); - } ); + tmpShape1 = shape.slice( 0, shapeIndex + 1 ); + tmpShape2 = shape.slice( shapeIndex ); + tmpHole1 = hole.slice( holeIndex ); + tmpHole2 = hole.slice( 0, holeIndex + 1 ); - /** - * @author mrdoob / http://mrdoob.com/ - * - * Abstract Base class to block based textures loader (dds, pvr, ...) - */ + shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 ); - function CompressedTextureLoader( manager ) { + minShapeIndex = shapeIndex; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + // Debug only, to show the selected cuts + // glob_CutLines.push( [ shapePt, holePt ] ); - // override in sub classes - this._parser = null; + break; - } + } + if ( holeIndex >= 0 ) break; // hole-vertex found - Object.assign( CompressedTextureLoader.prototype, { + failedCuts[ cutKey ] = true; // remember failure - load: function ( url, onLoad, onProgress, onError ) { + } + if ( holeIndex >= 0 ) break; // hole-vertex found - var scope = this; + } - var images = []; + } - var texture = new CompressedTexture(); - texture.image = images; + return shape; /* shape with no holes */ - var loader = new XHRLoader( this.manager ); - loader.setPath( this.path ); - loader.setResponseType( 'arraybuffer' ); + } - function loadTexture( i ) { - loader.load( url[ i ], function ( buffer ) { + var i, il, f, face, + key, index, + allPointsMap = {}; - var texDatas = scope._parser( buffer, true ); + // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first. - images[ i ] = { - width: texDatas.width, - height: texDatas.height, - format: texDatas.format, - mipmaps: texDatas.mipmaps - }; + var allpoints = contour.concat(); - loaded += 1; + for ( var h = 0, hl = holes.length; h < hl; h ++ ) { - if ( loaded === 6 ) { + Array.prototype.push.apply( allpoints, holes[ h ] ); - if ( texDatas.mipmapCount === 1 ) - texture.minFilter = LinearFilter; + } - texture.format = texDatas.format; - texture.needsUpdate = true; + //console.log( "allpoints",allpoints, allpoints.length ); - if ( onLoad ) onLoad( texture ); + // prepare all points map - } + for ( i = 0, il = allpoints.length; i < il; i ++ ) { - }, onProgress, onError ); + key = allpoints[ i ].x + ":" + allpoints[ i ].y; - } + if ( allPointsMap[ key ] !== undefined ) { - if ( Array.isArray( url ) ) { + console.warn( "THREE.ShapeUtils: Duplicate point", key, i ); - var loaded = 0; + } - for ( var i = 0, il = url.length; i < il; ++ i ) { + allPointsMap[ key ] = i; - loadTexture( i ); + } - } + // remove holes by cutting paths to holes and adding them to the shape + var shapeWithoutHoles = removeHoles( contour, holes ); - } else { + var triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape + //console.log( "triangles",triangles, triangles.length ); - // compressed cubemap texture stored in a single DDS file + // check all face vertices against all points map - loader.load( url, function ( buffer ) { + for ( i = 0, il = triangles.length; i < il; i ++ ) { - var texDatas = scope._parser( buffer, true ); + face = triangles[ i ]; - if ( texDatas.isCubemap ) { + for ( f = 0; f < 3; f ++ ) { - var faces = texDatas.mipmaps.length / texDatas.mipmapCount; + key = face[ f ].x + ":" + face[ f ].y; - for ( var f = 0; f < faces; f ++ ) { - - images[ f ] = { mipmaps : [] }; - - for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { - - images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); - images[ f ].format = texDatas.format; - images[ f ].width = texDatas.width; - images[ f ].height = texDatas.height; - - } - - } + index = allPointsMap[ key ]; - } else { + if ( index !== undefined ) { - texture.image.width = texDatas.width; - texture.image.height = texDatas.height; - texture.mipmaps = texDatas.mipmaps; + face[ f ] = index; } - if ( texDatas.mipmapCount === 1 ) { + } - texture.minFilter = LinearFilter; + } - } + return triangles.concat(); - texture.format = texDatas.format; - texture.needsUpdate = true; + }, - if ( onLoad ) onLoad( texture ); + isClockWise: function ( pts ) { - }, onProgress, onError ); + return ShapeUtils.area( pts ) < 0; - } + }, - return texture; + // Bezier Curves formulas obtained from + // http://en.wikipedia.org/wiki/B%C3%A9zier_curve - }, + // Quad Bezier Functions - setPath: function ( value ) { + b2: ( function () { - this.path = value; - return this; + function b2p0( t, p ) { - } + var k = 1 - t; + return k * k * p; - } ); + } - /** - * @author Nikos M. / https://github.com/foo123/ - * - * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) - */ + function b2p1( t, p ) { - var DataTextureLoader = BinaryTextureLoader; - function BinaryTextureLoader( manager ) { + return 2 * ( 1 - t ) * t * p; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + } - // override in sub classes - this._parser = null; + function b2p2( t, p ) { - } + return t * t * p; - Object.assign( BinaryTextureLoader.prototype, { + } - load: function ( url, onLoad, onProgress, onError ) { + return function b2( t, p0, p1, p2 ) { - var scope = this; + return b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 ); - var texture = new DataTexture(); + }; - var loader = new XHRLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); + } )(), - loader.load( url, function ( buffer ) { + // Cubic Bezier Functions - var texData = scope._parser( buffer ); + b3: ( function () { - if ( ! texData ) return; + function b3p0( t, p ) { - if ( undefined !== texData.image ) { + var k = 1 - t; + return k * k * k * p; - texture.image = texData.image; + } - } else if ( undefined !== texData.data ) { + function b3p1( t, p ) { - texture.image.width = texData.width; - texture.image.height = texData.height; - texture.image.data = texData.data; + var k = 1 - t; + return 3 * k * k * t * p; - } + } - texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping; - texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping; + function b3p2( t, p ) { - texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter; - texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter; + var k = 1 - t; + return 3 * k * t * t * p; - texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1; + } - if ( undefined !== texData.format ) { + function b3p3( t, p ) { - texture.format = texData.format; + return t * t * t * p; - } - if ( undefined !== texData.type ) { + } - texture.type = texData.type; + return function b3( t, p0, p1, p2, p3 ) { - } + return b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 ); - if ( undefined !== texData.mipmaps ) { + }; - texture.mipmaps = texData.mipmaps; + } )() - } + }; - if ( 1 === texData.mipmapCount ) { + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * amount: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline is bevel + * bevelSegments: , // number of bevel layers + * + * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined) + * frames: // containing arrays of tangents, normals, binormals + * + * uvGenerator: // object that provides UV generator functions + * + * } + **/ - texture.minFilter = LinearFilter; + function ExtrudeGeometry( shapes, options ) { - } + if ( typeof( shapes ) === "undefined" ) { - texture.needsUpdate = true; + shapes = []; + return; - if ( onLoad ) onLoad( texture, texData ); + } - }, onProgress, onError ); + Geometry.call( this ); + this.type = 'ExtrudeGeometry'; - return texture; + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; - } + this.addShapeList( shapes, options ); - } ); + this.computeFaceNormals(); - /** - * @author mrdoob / http://mrdoob.com/ - */ + // can't really use automatic vertex normals + // as then front and back sides get smoothed too + // should do separate smoothing just for sides - function ImageLoader( manager ) { + //this.computeVertexNormals(); - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + //console.log( "took", ( Date.now() - startTime ) ); } - Object.assign( ImageLoader.prototype, { + ExtrudeGeometry.prototype = Object.create( Geometry.prototype ); + ExtrudeGeometry.prototype.constructor = ExtrudeGeometry; - load: function ( url, onLoad, onProgress, onError ) { + ExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) { - var scope = this; + var sl = shapes.length; - var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); - image.onload = function () { + for ( var s = 0; s < sl; s ++ ) { - image.onload = null; + var shape = shapes[ s ]; + this.addShape( shape, options ); - URL.revokeObjectURL( image.src ); + } - if ( onLoad ) onLoad( image ); + }; - scope.manager.itemEnd( url ); + ExtrudeGeometry.prototype.addShape = function ( shape, options ) { - }; - image.onerror = onError; + var amount = options.amount !== undefined ? options.amount : 100; - if ( url.indexOf( 'data:' ) === 0 ) { + var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10 + var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8 + var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; - image.src = url; + var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false - } else { + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; - var loader = new XHRLoader(); - loader.setPath( this.path ); - loader.setResponseType( 'blob' ); - loader.setWithCredentials( this.withCredentials ); - loader.load( url, function ( blob ) { + var steps = options.steps !== undefined ? options.steps : 1; - image.src = URL.createObjectURL( blob ); + var extrudePath = options.extrudePath; + var extrudePts, extrudeByPath = false; - }, onProgress, onError ); + // Use default WorldUVGenerator if no UV generators are specified. + var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator; - } + var splineTube, binormal, normal, position2; + if ( extrudePath ) { - scope.manager.itemStart( url ); + extrudePts = extrudePath.getSpacedPoints( steps ); - return image; + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion - }, + // SETUP TNB variables - setCrossOrigin: function ( value ) { + // TODO1 - have a .isClosed in spline? - this.crossOrigin = value; - return this; + splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false ); - }, + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); - setWithCredentials: function ( value ) { + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); - this.withCredentials = value; - return this; + } - }, + // Safeguards if bevels are not enabled - setPath: function ( value ) { + if ( ! bevelEnabled ) { - this.path = value; - return this; + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; } - } ); - - /** - * @author mrdoob / http://mrdoob.com/ - */ + // Variables initialization - function CubeTextureLoader( manager ) { + var ahole, h, hl; // looping of holes + var scope = this; - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + var shapesOffset = this.vertices.length; - } + var shapePoints = shape.extractPoints( curveSegments ); - Object.assign( CubeTextureLoader.prototype, { + var vertices = shapePoints.shape; + var holes = shapePoints.holes; - load: function ( urls, onLoad, onProgress, onError ) { + var reverse = ! ShapeUtils.isClockWise( vertices ); - var texture = new CubeTexture(); + if ( reverse ) { - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setPath( this.path ); + vertices = vertices.reverse(); - var loaded = 0; + // Maybe we should also check if holes are in the opposite direction, just to be safe ... - function loadTexture( i ) { + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - loader.load( urls[ i ], function ( image ) { + ahole = holes[ h ]; - texture.images[ i ] = image; + if ( ShapeUtils.isClockWise( ahole ) ) { - loaded ++; + holes[ h ] = ahole.reverse(); - if ( loaded === 6 ) { + } - texture.needsUpdate = true; + } - if ( onLoad ) onLoad( texture ); + reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)! - } + } - }, undefined, onError ); - } + var faces = ShapeUtils.triangulateShape( vertices, holes ); - for ( var i = 0; i < urls.length; ++ i ) { + /* Vertices */ - loadTexture( i ); + var contour = vertices; // vertices has all points but contour has only points of circumference - } + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - return texture; + ahole = holes[ h ]; - }, + vertices = vertices.concat( ahole ); - setCrossOrigin: function ( value ) { + } - this.crossOrigin = value; - return this; - }, + function scalePt2( pt, vec, size ) { - setPath: function ( value ) { + if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" ); - this.path = value; - return this; + return vec.clone().multiplyScalar( size ).add( pt ); } - } ); + var b, bs, t, z, + vert, vlen = vertices.length, + face, flen = faces.length; - /** - * @author mrdoob / http://mrdoob.com/ - */ - function TextureLoader( manager ) { + // Find directions for point movement - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - } + function getBevelVec( inPt, inPrev, inNext ) { - Object.assign( TextureLoader.prototype, { + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. - load: function ( url, onLoad, onProgress, onError ) { + var v_trans_x, v_trans_y, shrink_by = 1; // resulting translation vector for inPt - var texture = new Texture(); + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html - var loader = new ImageLoader( this.manager ); - loader.setCrossOrigin( this.crossOrigin ); - loader.setWithCredentials( this.withCredentials ); - loader.setPath( this.path ); - loader.load( url, function ( image ) { + var v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; + var v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; - // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. - var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; + var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); - texture.format = isJPEG ? RGBFormat : RGBAFormat; - texture.image = image; - texture.needsUpdate = true; + // check for collinear edges + var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - if ( onLoad !== undefined ) { + if ( Math.abs( collinear0 ) > Number.EPSILON ) { - onLoad( texture ); + // not collinear - } + // length of vectors for normalizing - }, onProgress, onError ); + var v_prev_len = Math.sqrt( v_prev_lensq ); + var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); - return texture; + // shift adjacent points by unit vectors to the left - }, + var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); - setCrossOrigin: function ( value ) { + var ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + var ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); - this.crossOrigin = value; - return this; + // scaling factor for v_prev to intersection point - }, + var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); - setWithCredentials: function ( value ) { + // vector from inPt to intersection point - this.withCredentials = value; - return this; + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); - }, + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { - setPath: function ( value ) { + return new Vector2( v_trans_x, v_trans_y ); - this.path = value; - return this; + } else { - } + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + } + } else { - } ); + // handle special case of collinear edges - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + var direction_eq = false; // assumes: opposite + if ( v_prev_x > Number.EPSILON ) { - function Light( color, intensity ) { + if ( v_next_x > Number.EPSILON ) { - Object3D.call( this ); + direction_eq = true; - this.type = 'Light'; + } - this.color = new Color( color ); - this.intensity = intensity !== undefined ? intensity : 1; + } else { - this.receiveShadow = undefined; + if ( v_prev_x < - Number.EPSILON ) { - } + if ( v_next_x < - Number.EPSILON ) { - Light.prototype = Object.assign( Object.create( Object3D.prototype ), { + direction_eq = true; - constructor: Light, + } - isLight: true, + } else { - copy: function ( source ) { + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { - Object3D.prototype.copy.call( this, source ); + direction_eq = true; - this.color.copy( source.color ); - this.intensity = source.intensity; + } - return this; + } - }, + } - toJSON: function ( meta ) { + if ( direction_eq ) { - var data = Object3D.prototype.toJSON.call( this, meta ); + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); - data.object.color = this.color.getHex(); - data.object.intensity = this.intensity; + } else { - if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); - if ( this.distance !== undefined ) data.object.distance = this.distance; - if ( this.angle !== undefined ) data.object.angle = this.angle; - if ( this.decay !== undefined ) data.object.decay = this.decay; - if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + } - if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + } - return data; + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); } - } ); - /** - * @author alteredq / http://alteredqualia.com/ - */ + var contourMovements = []; - function HemisphereLight( skyColor, groundColor, intensity ) { + for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - Light.call( this, skyColor, intensity ); + if ( j === il ) j = 0; + if ( k === il ) k = 0; - this.type = 'HemisphereLight'; + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) - this.castShadow = undefined; + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + } - this.groundColor = new Color( groundColor ); + var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat(); - } + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { + ahole = holes[ h ]; - constructor: HemisphereLight, + oneHoleMovements = []; - isHemisphereLight: true, + for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { - copy: function ( source ) { + if ( j === il ) j = 0; + if ( k === il ) k = 0; - Light.prototype.copy.call( this, source ); + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); - this.groundColor.copy( source.groundColor ); + } - return this; + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); } - } ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + // Loop bevelSegments, 1 for the front, 1 for the back - function LightShadow( camera ) { + for ( b = 0; b < bevelSegments; b ++ ) { - this.camera = camera; + //for ( b = bevelSegments; b > 0; b -- ) { - this.bias = 0; - this.radius = 1; - - this.mapSize = new Vector2( 512, 512 ); + t = b / bevelSegments; + z = bevelThickness * Math.cos( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); - this.map = null; - this.matrix = new Matrix4(); + // contract shape - } + for ( i = 0, il = contour.length; i < il; i ++ ) { - Object.assign( LightShadow.prototype, { + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); - copy: function ( source ) { + v( vert.x, vert.y, - z ); - this.camera = source.camera.clone(); + } - this.bias = source.bias; - this.radius = source.radius; + // expand holes - this.mapSize.copy( source.mapSize ); + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - return this; + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; - }, + for ( i = 0, il = ahole.length; i < il; i ++ ) { - clone: function () { + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - return new this.constructor().copy( this ); + v( vert.x, vert.y, - z ); - }, + } - toJSON: function () { + } - var object = {}; + } - if ( this.bias !== 0 ) object.bias = this.bias; - if ( this.radius !== 1 ) object.radius = this.radius; - if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + bs = bevelSize; - object.camera = this.camera.toJSON( false ).object; - delete object.camera.matrix; + // Back facing vertices - return object; + for ( i = 0; i < vlen; i ++ ) { - } + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - } ); + if ( ! extrudeByPath ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + v( vert.x, vert.y, 0 ); - function SpotLightShadow() { + } else { - LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); - } + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); - SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); - constructor: SpotLightShadow, + v( position2.x, position2.y, position2.z ); - isSpotLightShadow: true, + } - update: function ( light ) { + } - var fov = _Math.RAD2DEG * 2 * light.angle; - var aspect = this.mapSize.width / this.mapSize.height; - var far = light.distance || 500; + // Add stepped vertices... + // Including front facing vertices - var camera = this.camera; + var s; - if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + for ( s = 1; s <= steps; s ++ ) { - camera.fov = fov; - camera.aspect = aspect; - camera.far = far; - camera.updateProjectionMatrix(); + for ( i = 0; i < vlen; i ++ ) { - } + vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; - } + if ( ! extrudeByPath ) { - } ); + v( vert.x, vert.y, amount / steps * s ); - /** - * @author alteredq / http://alteredqualia.com/ - */ + } else { - function SpotLight( color, intensity, distance, angle, penumbra, decay ) { + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); - Light.call( this, color, intensity ); + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); - this.type = 'SpotLight'; + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + v( position2.x, position2.y, position2.z ); - this.target = new Object3D(); + } - Object.defineProperty( this, 'power', { - get: function () { - // intensity = power per solid angle. - // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - return this.intensity * Math.PI; - }, - set: function ( power ) { - // intensity = power per solid angle. - // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - this.intensity = power / Math.PI; } - } ); - this.distance = ( distance !== undefined ) ? distance : 0; - this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; - this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + } - this.shadow = new SpotLightShadow(); - } + // Add bevel segments planes - SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( b = bevelSegments - 1; b >= 0; b -- ) { - constructor: SpotLight, + t = b / bevelSegments; + z = bevelThickness * Math.cos ( t * Math.PI / 2 ); + bs = bevelSize * Math.sin( t * Math.PI / 2 ); - isSpotLight: true, + // contract shape - copy: function ( source ) { + for ( i = 0, il = contour.length; i < il; i ++ ) { - Light.prototype.copy.call( this, source ); + vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, amount + z ); - this.distance = source.distance; - this.angle = source.angle; - this.penumbra = source.penumbra; - this.decay = source.decay; + } - this.target = source.target.clone(); + // expand holes - this.shadow = source.shadow.clone(); + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - return this; + ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; - } + for ( i = 0, il = ahole.length; i < il; i ++ ) { - } ); + vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( ! extrudeByPath ) { + v( vert.x, vert.y, amount + z ); - function PointLight( color, intensity, distance, decay ) { + } else { - Light.call( this, color, intensity ); + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); - this.type = 'PointLight'; + } - Object.defineProperty( this, 'power', { - get: function () { - // intensity = power per solid angle. - // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - return this.intensity * 4 * Math.PI; + } - }, - set: function ( power ) { - // intensity = power per solid angle. - // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf - this.intensity = power / ( 4 * Math.PI ); } - } ); - this.distance = ( distance !== undefined ) ? distance : 0; - this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. + } - this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + /* Faces */ - } + // Top and bottom faces - PointLight.prototype = Object.assign( Object.create( Light.prototype ), { + buildLidFaces(); - constructor: PointLight, + // Sides faces - isPointLight: true, + buildSideFaces(); - copy: function ( source ) { - Light.prototype.copy.call( this, source ); + ///// Internal functions - this.distance = source.distance; - this.decay = source.decay; + function buildLidFaces() { - this.shadow = source.shadow.clone(); + if ( bevelEnabled ) { - return this; + var layer = 0; // steps + 1 + var offset = vlen * layer; - } + // Bottom faces - } ); + for ( i = 0; i < flen; i ++ ) { - /** - * @author mrdoob / http://mrdoob.com/ - */ + face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); - function DirectionalLightShadow( light ) { + } - LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + layer = steps + bevelSegments * 2; + offset = vlen * layer; - } + // Top faces - DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { + for ( i = 0; i < flen; i ++ ) { - constructor: DirectionalLightShadow + face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); - } ); + } - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + } else { - function DirectionalLight( color, intensity ) { + // Bottom faces - Light.call( this, color, intensity ); + for ( i = 0; i < flen; i ++ ) { - this.type = 'DirectionalLight'; + face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); - this.position.copy( Object3D.DefaultUp ); - this.updateMatrix(); + } - this.target = new Object3D(); + // Top faces - this.shadow = new DirectionalLightShadow(); + for ( i = 0; i < flen; i ++ ) { - } + face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); - DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { + } - constructor: DirectionalLight, + } - isDirectionalLight: true, + } - copy: function ( source ) { + // Create faces for the z-sides of the shape - Light.prototype.copy.call( this, source ); + function buildSideFaces() { - this.target = source.target.clone(); + var layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; - this.shadow = source.shadow.clone(); + for ( h = 0, hl = holes.length; h < hl; h ++ ) { - return this; + ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); - } + //, true + layeroffset += ahole.length; - } ); + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function AmbientLight( color, intensity ) { + function sidewalls( contour, layeroffset ) { - Light.call( this, color, intensity ); + var j, k; + i = contour.length; - this.type = 'AmbientLight'; + while ( -- i >= 0 ) { - this.castShadow = undefined; + j = i; + k = i - 1; + if ( k < 0 ) k = contour.length - 1; - } + //console.log('b', i,j, i-1, k,vertices.length); - AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { + var s = 0, sl = steps + bevelSegments * 2; - constructor: AmbientLight, + for ( s = 0; s < sl; s ++ ) { - isAmbientLight: true, + var slen1 = vlen * s; + var slen2 = vlen * ( s + 1 ); - } ); + var a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; - /** - * @author tschw - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - */ + f4( a, b, c, d, contour, s, sl, j, k ); - var AnimationUtils = { + } - // same as Array.prototype.slice, but also works on typed arrays - arraySlice: function( array, from, to ) { + } - if ( AnimationUtils.isTypedArray( array ) ) { + } - return new array.constructor( array.subarray( from, to ) ); - } + function v( x, y, z ) { - return array.slice( from, to ); + scope.vertices.push( new Vector3( x, y, z ) ); - }, + } - // converts an array to a specific type - convertArray: function( array, type, forceClone ) { + function f3( a, b, c ) { - if ( ! array || // let 'undefined' and 'null' pass - ! forceClone && array.constructor === type ) return array; + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; - if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + scope.faces.push( new Face3( a, b, c, null, null, 0 ) ); - return new type( array ); // create typed array + var uvs = uvgen.generateTopUV( scope, a, b, c ); - } + scope.faceVertexUvs[ 0 ].push( uvs ); - return Array.prototype.slice.call( array ); // create Array + } - }, + function f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) { - isTypedArray: function( object ) { + a += shapesOffset; + b += shapesOffset; + c += shapesOffset; + d += shapesOffset; - return ArrayBuffer.isView( object ) && - ! ( object instanceof DataView ); + scope.faces.push( new Face3( a, b, d, null, null, 1 ) ); + scope.faces.push( new Face3( b, c, d, null, null, 1 ) ); - }, + var uvs = uvgen.generateSideWallUV( scope, a, b, c, d ); - // returns an array by which times and values can be sorted - getKeyframeOrder: function( times ) { + scope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] ); + scope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] ); - function compareTime( i, j ) { + } - return times[ i ] - times[ j ]; + }; - } + ExtrudeGeometry.WorldUVGenerator = { - var n = times.length; - var result = new Array( n ); - for ( var i = 0; i !== n; ++ i ) result[ i ] = i; + generateTopUV: function ( geometry, indexA, indexB, indexC ) { - result.sort( compareTime ); + var vertices = geometry.vertices; - return result; + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; + + return [ + new Vector2( a.x, a.y ), + new Vector2( b.x, b.y ), + new Vector2( c.x, c.y ) + ]; }, - // uses the array previously returned by 'getKeyframeOrder' to sort data - sortedArray: function( values, stride, order ) { + generateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) { - var nValues = values.length; - var result = new values.constructor( nValues ); + var vertices = geometry.vertices; - for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + var a = vertices[ indexA ]; + var b = vertices[ indexB ]; + var c = vertices[ indexC ]; + var d = vertices[ indexD ]; - var srcOffset = order[ i ] * stride; + if ( Math.abs( a.y - b.y ) < 0.01 ) { - for ( var j = 0; j !== stride; ++ j ) { + return [ + new Vector2( a.x, 1 - a.z ), + new Vector2( b.x, 1 - b.z ), + new Vector2( c.x, 1 - c.z ), + new Vector2( d.x, 1 - d.z ) + ]; - result[ dstOffset ++ ] = values[ srcOffset + j ]; + } else { - } + return [ + new Vector2( a.y, 1 - a.z ), + new Vector2( b.y, 1 - b.z ), + new Vector2( c.y, 1 - c.z ), + new Vector2( d.y, 1 - d.z ) + ]; } - return result; + } + }; - }, + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author alteredq / http://alteredqualia.com/ + * + * Text = 3D Text + * + * parameters = { + * font: , // font + * + * size: , // size of the text + * height: , // thickness to extrude text + * curveSegments: , // number of points on the curves + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into text bevel goes + * bevelSize: // how far from text outline is bevel + * } + */ - // function for parsing AOS keyframe formats - flattenJSON: function( jsonKeys, times, values, valuePropertyName ) { + function TextGeometry( text, parameters ) { - var i = 1, key = jsonKeys[ 0 ]; + parameters = parameters || {}; - while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + var font = parameters.font; - key = jsonKeys[ i ++ ]; + if ( (font && font.isFont) === false ) { - } + console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' ); + return new Geometry(); - if ( key === undefined ) return; // no data + } - var value = key[ valuePropertyName ]; - if ( value === undefined ) return; // no data + var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments ); - if ( Array.isArray( value ) ) { + // translate parameters to ExtrudeGeometry API - do { + parameters.amount = parameters.height !== undefined ? parameters.height : 50; - value = key[ valuePropertyName ]; + // defaults - if ( value !== undefined ) { + if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10; + if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8; + if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false; - times.push( key.time ); - values.push.apply( values, value ); // push all elements + ExtrudeGeometry.call( this, shapes, parameters ); - } + this.type = 'TextGeometry'; - key = jsonKeys[ i ++ ]; + } - } while ( key !== undefined ); + TextGeometry.prototype = Object.create( ExtrudeGeometry.prototype ); + TextGeometry.prototype.constructor = TextGeometry; - } else if ( value.toArray !== undefined ) { - // ...assume THREE.Math-ish + /** + * @author benaadams / https://twitter.com/ben_a_adams + * based on THREE.SphereGeometry + */ - do { + function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - value = key[ valuePropertyName ]; + BufferGeometry.call( this ); - if ( value !== undefined ) { + this.type = 'SphereBufferGeometry'; - times.push( key.time ); - value.toArray( values, values.length ); + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } + radius = radius || 50; - key = jsonKeys[ i ++ ]; + widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 ); - } while ( key !== undefined ); + phiStart = phiStart !== undefined ? phiStart : 0; + phiLength = phiLength !== undefined ? phiLength : Math.PI * 2; - } else { - // otherwise push as-is + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI; - do { + var thetaEnd = thetaStart + thetaLength; - value = key[ valuePropertyName ]; + var vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) ); - if ( value !== undefined ) { + var positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - times.push( key.time ); - values.push( value ); + var index = 0, vertices = [], normal = new Vector3(); - } + for ( var y = 0; y <= heightSegments; y ++ ) { - key = jsonKeys[ i ++ ]; + var verticesRow = []; - } while ( key !== undefined ); + var v = y / heightSegments; - } + for ( var x = 0; x <= widthSegments; x ++ ) { - } + var u = x / widthSegments; - }; + var px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + var py = radius * Math.cos( thetaStart + v * thetaLength ); + var pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); - /** - * Abstract base class of interpolants over parametric samples. - * - * The parameter domain is one dimensional, typically the time or a path - * along a curve defined by the data. - * - * The sample values can have any dimensionality and derived classes may - * apply special interpretations to the data. - * - * This class provides the interval seek in a Template Method, deferring - * the actual interpolation to derived classes. - * - * Time complexity is O(1) for linear access crossing at most two points - * and O(log N) for random access, where N is the number of positions. - * - * References: - * - * http://www.oodesign.com/template-method-pattern.html - * - * @author tschw - */ + normal.set( px, py, pz ).normalize(); - function Interpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + positions.setXYZ( index, px, py, pz ); + normals.setXYZ( index, normal.x, normal.y, normal.z ); + uvs.setXY( index, u, 1 - v ); - this.parameterPositions = parameterPositions; - this._cachedIndex = 0; + verticesRow.push( index ); - this.resultBuffer = resultBuffer !== undefined ? - resultBuffer : new sampleValues.constructor( sampleSize ); - this.sampleValues = sampleValues; - this.valueSize = sampleSize; + index ++; - } + } - Interpolant.prototype = { + vertices.push( verticesRow ); - constructor: Interpolant, + } - evaluate: function( t ) { + var indices = []; - var pp = this.parameterPositions, - i1 = this._cachedIndex, + for ( var y = 0; y < heightSegments; y ++ ) { - t1 = pp[ i1 ], - t0 = pp[ i1 - 1 ]; + for ( var x = 0; x < widthSegments; x ++ ) { - validate_interval: { + var v1 = vertices[ y ][ x + 1 ]; + var v2 = vertices[ y ][ x ]; + var v3 = vertices[ y + 1 ][ x ]; + var v4 = vertices[ y + 1 ][ x + 1 ]; - seek: { + if ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 ); + if ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 ); - var right; + } - linear_scan: { - //- See http://jsperf.com/comparison-to-undefined/3 - //- slower code: - //- - //- if ( t >= t1 || t1 === undefined ) { - forward_scan: if ( ! ( t < t1 ) ) { + } - for ( var giveUpAt = i1 + 2; ;) { + this.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) ); + this.addAttribute( 'position', positions ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - if ( t1 === undefined ) { + this.boundingSphere = new Sphere( new Vector3(), radius ); - if ( t < t0 ) break forward_scan; + } - // after end + SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + SphereBufferGeometry.prototype.constructor = SphereBufferGeometry; - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t, t0 ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - } + function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) { - if ( i1 === giveUpAt ) break; // this loop + Geometry.call( this ); - t0 = t1; - t1 = pp[ ++ i1 ]; + this.type = 'SphereGeometry'; - if ( t < t1 ) { + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - // we have arrived at the sought interval - break seek; + this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) ); - } + } - } + SphereGeometry.prototype = Object.create( Geometry.prototype ); + SphereGeometry.prototype.constructor = SphereGeometry; - // prepare binary search on the right side of the index - right = pp.length; - break linear_scan; + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - } + function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { - //- slower code: - //- if ( t < t0 || t0 === undefined ) { - if ( ! ( t >= t0 ) ) { + BufferGeometry.call( this ); - // looping? + this.type = 'RingBufferGeometry'; - var t1global = pp[ 1 ]; + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - if ( t < t1global ) { + innerRadius = innerRadius || 20; + outerRadius = outerRadius || 50; - i1 = 2; // + 1, using the scan for the details - t0 = t1global; + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - } + thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8; + phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1; - // linear reverse scan + // these are used to calculate buffer length + var vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 ); + var indexCount = thetaSegments * phiSegments * 2 * 3; - for ( var giveUpAt = i1 - 2; ;) { + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - if ( t0 === undefined ) { + // some helper variables + var index = 0, indexOffset = 0, segment; + var radius = innerRadius; + var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + var vertex = new Vector3(); + var uv = new Vector2(); + var j, i; - // before start + // generate vertices, normals and uvs - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); + // values are generate from the inside of the ring to the outside - } + for ( j = 0; j <= phiSegments; j ++ ) { - if ( i1 === giveUpAt ) break; // this loop + for ( i = 0; i <= thetaSegments; i ++ ) { - t1 = t0; - t0 = pp[ -- i1 - 1 ]; + segment = thetaStart + i / thetaSegments * thetaLength; - if ( t >= t0 ) { + // vertex + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - // we have arrived at the sought interval - break seek; + // normal + normals.setXYZ( index, 0, 0, 1 ); - } + // uv + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + uvs.setXY( index, uv.x, uv.y ); - } + // increase index + index++; - // prepare binary search on the left side of the index - right = i1; - i1 = 0; - break linear_scan; + } - } + // increase the radius for next row of vertices + radius += radiusStep; - // the interval is valid + } - break validate_interval; + // generate indices - } // linear scan + for ( j = 0; j < phiSegments; j ++ ) { - // binary search + var thetaSegmentLevel = j * ( thetaSegments + 1 ); - while ( i1 < right ) { + for ( i = 0; i < thetaSegments; i ++ ) { - var mid = ( i1 + right ) >>> 1; + segment = i + thetaSegmentLevel; - if ( t < pp[ mid ] ) { + // indices + var a = segment; + var b = segment + thetaSegments + 1; + var c = segment + thetaSegments + 2; + var d = segment + 1; - right = mid; + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; - } else { + // face two + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - i1 = mid + 1; + } - } + } - } + // build geometry - t1 = pp[ i1 ]; - t0 = pp[ i1 - 1 ]; + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - // check boundary cases, again + } - if ( t0 === undefined ) { + RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + RingBufferGeometry.prototype.constructor = RingBufferGeometry; - this._cachedIndex = 0; - return this.beforeStart_( 0, t, t1 ); + /** + * @author Kaleb Murphy + */ - } + function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) { - if ( t1 === undefined ) { + Geometry.call( this ); - i1 = pp.length; - this._cachedIndex = i1; - return this.afterEnd_( i1 - 1, t0, t ); + this.type = 'RingGeometry'; - } + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } // seek + this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) ); - this._cachedIndex = i1; + } - this.intervalChanged_( i1, t0, t1 ); + RingGeometry.prototype = Object.create( Geometry.prototype ); + RingGeometry.prototype.constructor = RingGeometry; - } // validate_interval + /** + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as + */ - return this.interpolate_( i1, t0, t, t1 ); + function PlaneGeometry( width, height, widthSegments, heightSegments ) { - }, + Geometry.call( this ); - settings: null, // optional, subclass-specific settings structure - // Note: The indirection allows central control of many interpolants. + this.type = 'PlaneGeometry'; - // --- Protected interface + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; - DefaultSettings_: {}, + this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) ); - getSettings_: function() { + } - return this.settings || this.DefaultSettings_; + PlaneGeometry.prototype = Object.create( Geometry.prototype ); + PlaneGeometry.prototype.constructor = PlaneGeometry; - }, + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - copySampleValue_: function( index ) { + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. - // copies a sample value to the result buffer + function LatheBufferGeometry( points, segments, phiStart, phiLength ) { - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, - offset = index * stride; + BufferGeometry.call( this ); - for ( var i = 0; i !== stride; ++ i ) { + this.type = 'LatheBufferGeometry'; - result[ i ] = values[ offset + i ]; + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; - } + segments = Math.floor( segments ) || 12; + phiStart = phiStart || 0; + phiLength = phiLength || Math.PI * 2; - return result; + // clamp phiLength so it's in range of [ 0, 2PI ] + phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 ); - }, + // these are used to calculate buffer length + var vertexCount = ( segments + 1 ) * points.length; + var indexCount = segments * points.length * 2 * 3; - // Template methods for derived classes: + // buffers + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - interpolate_: function( i1, t0, t, t1 ) { + // helper variables + var index = 0, indexOffset = 0, base; + var inverseSegments = 1.0 / segments; + var vertex = new Vector3(); + var uv = new Vector2(); + var i, j; - throw new Error( "call to abstract method" ); - // implementations shall return this.resultBuffer + // generate vertices and uvs - }, + for ( i = 0; i <= segments; i ++ ) { - intervalChanged_: function( i1, t0, t1 ) { + var phi = phiStart + i * inverseSegments * phiLength; - // empty + var sin = Math.sin( phi ); + var cos = Math.cos( phi ); - } + for ( j = 0; j <= ( points.length - 1 ); j ++ ) { - }; + // vertex + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - Object.assign( Interpolant.prototype, { + // uv + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + uvs.setXY( index, uv.x, uv.y ); - beforeStart_: //( 0, t, t0 ), returns this.resultBuffer - Interpolant.prototype.copySampleValue_, + // increase index + index ++; - afterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer - Interpolant.prototype.copySampleValue_ + } - } ); + } - /** - * Fast and simple cubic spline interpolant. - * - * It was derived from a Hermitian construction setting the first derivative - * at each sample position to the linear slope between neighboring positions - * over their parameter interval. - * - * @author tschw - */ + // generate indices - function CubicInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + for ( i = 0; i < segments; i ++ ) { - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + for ( j = 0; j < ( points.length - 1 ); j ++ ) { - this._weightPrev = -0; - this._offsetPrev = -0; - this._weightNext = -0; - this._offsetNext = -0; + base = j + i * points.length; - } + // indices + var a = base; + var b = base + points.length; + var c = base + points.length + 1; + var d = base + 1; - CubicInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + // face one + indices.setX( indexOffset, a ); indexOffset++; + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - constructor: CubicInterpolant, + // face two + indices.setX( indexOffset, b ); indexOffset++; + indices.setX( indexOffset, c ); indexOffset++; + indices.setX( indexOffset, d ); indexOffset++; - DefaultSettings_: { + } - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding + } - }, + // build geometry - intervalChanged_: function( i1, t0, t1 ) { + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'uv', uvs ); - var pp = this.parameterPositions, - iPrev = i1 - 2, - iNext = i1 + 1, + // generate normals - tPrev = pp[ iPrev ], - tNext = pp[ iNext ]; + this.computeVertexNormals(); - if ( tPrev === undefined ) { + // if the geometry is closed, we need to average the normals along the seam. + // because the corresponding vertices are identical (but still have different UVs). - switch ( this.getSettings_().endingStart ) { + if( phiLength === Math.PI * 2 ) { - case ZeroSlopeEnding: + var normals = this.attributes.normal.array; + var n1 = new Vector3(); + var n2 = new Vector3(); + var n = new Vector3(); - // f'(t0) = 0 - iPrev = i1; - tPrev = 2 * t0 - t1; + // this is the buffer offset for the last line of vertices + base = segments * points.length * 3; - break; + for( i = 0, j = 0; i < points.length; i ++, j += 3 ) { - case WrapAroundEnding: + // select the normal of the vertex in the first line + n1.x = normals[ j + 0 ]; + n1.y = normals[ j + 1 ]; + n1.z = normals[ j + 2 ]; - // use the other end of the curve - iPrev = pp.length - 2; - tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + // select the normal of the vertex in the last line + n2.x = normals[ base + j + 0 ]; + n2.y = normals[ base + j + 1 ]; + n2.z = normals[ base + j + 2 ]; - break; + // average normals + n.addVectors( n1, n2 ).normalize(); - default: // ZeroCurvatureEnding + // assign the new values to both normals + normals[ j + 0 ] = normals[ base + j + 0 ] = n.x; + normals[ j + 1 ] = normals[ base + j + 1 ] = n.y; + normals[ j + 2 ] = normals[ base + j + 2 ] = n.z; - // f''(t0) = 0 a.k.a. Natural Spline - iPrev = i1; - tPrev = t1; + } // next row - } + } - } + } - if ( tNext === undefined ) { + LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + LatheBufferGeometry.prototype.constructor = LatheBufferGeometry; - switch ( this.getSettings_().endingEnd ) { + /** + * @author astrodud / http://astrodud.isgreat.org/ + * @author zz85 / https://github.com/zz85 + * @author bhouston / http://clara.io + */ - case ZeroSlopeEnding: + // points - to create a closed torus, one must use a set of points + // like so: [ a, b, c, d, a ], see first is the same as last. + // segments - the number of circumference segments to create + // phiStart - the starting radian + // phiLength - the radian (0 to 2PI) range of the lathed section + // 2PI is a closed lathe, less than 2PI is a portion. - // f'(tN) = 0 - iNext = i1; - tNext = 2 * t1 - t0; + function LatheGeometry( points, segments, phiStart, phiLength ) { - break; + Geometry.call( this ); - case WrapAroundEnding: - - // use the other end of the curve - iNext = 1; - tNext = t1 + pp[ 1 ] - pp[ 0 ]; - - break; - - default: // ZeroCurvatureEnding - - // f''(tN) = 0, a.k.a. Natural Spline - iNext = i1 - 1; - tNext = t0; + this.type = 'LatheGeometry'; - } + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; - } + this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) ); + this.mergeVertices(); - var halfDt = ( t1 - t0 ) * 0.5, - stride = this.valueSize; + } - this._weightPrev = halfDt / ( t0 - tPrev ); - this._weightNext = halfDt / ( tNext - t1 ); - this._offsetPrev = iPrev * stride; - this._offsetNext = iNext * stride; + LatheGeometry.prototype = Object.create( Geometry.prototype ); + LatheGeometry.prototype.constructor = LatheGeometry; - }, + /** + * @author jonobr1 / http://jonobr1.com + * + * Creates a one-sided polygonal geometry from a path shape. Similar to + * ExtrudeGeometry. + * + * parameters = { + * + * curveSegments: , // number of points on the curves. NOT USED AT THE MOMENT. + * + * material: // material index for front and back faces + * uvGenerator: // object that provides UV generator functions + * + * } + **/ - interpolate_: function( i1, t0, t, t1 ) { + function ShapeGeometry( shapes, options ) { - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + Geometry.call( this ); - o1 = i1 * stride, o0 = o1 - stride, - oP = this._offsetPrev, oN = this._offsetNext, - wP = this._weightPrev, wN = this._weightNext, + this.type = 'ShapeGeometry'; - p = ( t - t0 ) / ( t1 - t0 ), - pp = p * p, - ppp = pp * p; + if ( Array.isArray( shapes ) === false ) shapes = [ shapes ]; - // evaluate polynomials + this.addShapeList( shapes, options ); - var sP = - wP * ppp + 2 * wP * pp - wP * p; - var s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; - var s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; - var sN = wN * ppp - wN * pp; + this.computeFaceNormals(); - // combine data linearly + } - for ( var i = 0; i !== stride; ++ i ) { + ShapeGeometry.prototype = Object.create( Geometry.prototype ); + ShapeGeometry.prototype.constructor = ShapeGeometry; - result[ i ] = - sP * values[ oP + i ] + - s0 * values[ o0 + i ] + - s1 * values[ o1 + i ] + - sN * values[ oN + i ]; + /** + * Add an array of shapes to THREE.ShapeGeometry. + */ + ShapeGeometry.prototype.addShapeList = function ( shapes, options ) { - } + for ( var i = 0, l = shapes.length; i < l; i ++ ) { - return result; + this.addShape( shapes[ i ], options ); } - } ); + return this; + + }; /** - * @author tschw + * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry. */ + ShapeGeometry.prototype.addShape = function ( shape, options ) { - function LinearInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + if ( options === undefined ) options = {}; + var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; - } + var material = options.material; + var uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator; - LinearInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + // - constructor: LinearInterpolant, + var i, l, hole; - interpolate_: function( i1, t0, t, t1 ) { + var shapesOffset = this.vertices.length; + var shapePoints = shape.extractPoints( curveSegments ); - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + var vertices = shapePoints.shape; + var holes = shapePoints.holes; - offset1 = i1 * stride, - offset0 = offset1 - stride, + var reverse = ! ShapeUtils.isClockWise( vertices ); - weight1 = ( t - t0 ) / ( t1 - t0 ), - weight0 = 1 - weight1; + if ( reverse ) { - for ( var i = 0; i !== stride; ++ i ) { + vertices = vertices.reverse(); - result[ i ] = - values[ offset0 + i ] * weight0 + - values[ offset1 + i ] * weight1; + // Maybe we should also check if holes are in the opposite direction, just to be safe... - } + for ( i = 0, l = holes.length; i < l; i ++ ) { - return result; + hole = holes[ i ]; - } + if ( ShapeUtils.isClockWise( hole ) ) { - } ); + holes[ i ] = hole.reverse(); - /** - * - * Interpolant that evaluates to the sample value at the position preceeding - * the parameter. - * - * @author tschw - */ + } - function DiscreteInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { + } - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); + reverse = false; - } + } - DiscreteInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + var faces = ShapeUtils.triangulateShape( vertices, holes ); - constructor: DiscreteInterpolant, + // Vertices - interpolate_: function( i1, t0, t, t1 ) { + for ( i = 0, l = holes.length; i < l; i ++ ) { - return this.copySampleValue_( i1 - 1 ); + hole = holes[ i ]; + vertices = vertices.concat( hole ); } - } ); + // - var KeyframeTrackPrototype; + var vert, vlen = vertices.length; + var face, flen = faces.length; - KeyframeTrackPrototype = { + for ( i = 0; i < vlen; i ++ ) { - TimeBufferType: Float32Array, - ValueBufferType: Float32Array, + vert = vertices[ i ]; - DefaultInterpolation: InterpolateLinear, + this.vertices.push( new Vector3( vert.x, vert.y, 0 ) ); - InterpolantFactoryMethodDiscrete: function( result ) { + } - return new DiscreteInterpolant( - this.times, this.values, this.getValueSize(), result ); + for ( i = 0; i < flen; i ++ ) { - }, + face = faces[ i ]; - InterpolantFactoryMethodLinear: function( result ) { + var a = face[ 0 ] + shapesOffset; + var b = face[ 1 ] + shapesOffset; + var c = face[ 2 ] + shapesOffset; - return new LinearInterpolant( - this.times, this.values, this.getValueSize(), result ); + this.faces.push( new Face3( a, b, c, null, null, material ) ); + this.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) ); - }, + } - InterpolantFactoryMethodSmooth: function( result ) { + }; - return new CubicInterpolant( - this.times, this.values, this.getValueSize(), result ); + /** + * @author WestLangley / http://github.com/WestLangley + */ - }, + function EdgesGeometry( geometry, thresholdAngle ) { - setInterpolation: function( interpolation ) { + BufferGeometry.call( this ); - var factoryMethod; + thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1; - switch ( interpolation ) { + var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle ); - case InterpolateDiscrete: + var edge = [ 0, 0 ], hash = {}; - factoryMethod = this.InterpolantFactoryMethodDiscrete; + function sortFunction( a, b ) { - break; + return a - b; - case InterpolateLinear: + } - factoryMethod = this.InterpolantFactoryMethodLinear; + var keys = [ 'a', 'b', 'c' ]; - break; + var geometry2; - case InterpolateSmooth: + if ( (geometry && geometry.isBufferGeometry) ) { - factoryMethod = this.InterpolantFactoryMethodSmooth; + geometry2 = new Geometry(); + geometry2.fromBufferGeometry( geometry ); - break; + } else { - } + geometry2 = geometry.clone(); - if ( factoryMethod === undefined ) { + } - var message = "unsupported interpolation for " + - this.ValueTypeName + " keyframe track named " + this.name; + geometry2.mergeVertices(); + geometry2.computeFaceNormals(); - if ( this.createInterpolant === undefined ) { + var vertices = geometry2.vertices; + var faces = geometry2.faces; - // fall back to default, unless the default itself is messed up - if ( interpolation !== this.DefaultInterpolation ) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - this.setInterpolation( this.DefaultInterpolation ); + var face = faces[ i ]; - } else { + for ( var j = 0; j < 3; j ++ ) { - throw new Error( message ); // fatal, in this case + edge[ 0 ] = face[ keys[ j ] ]; + edge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ]; + edge.sort( sortFunction ); - } + var key = edge.toString(); - } + if ( hash[ key ] === undefined ) { - console.warn( message ); - return; + hash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined }; - } + } else { - this.createInterpolant = factoryMethod; + hash[ key ].face2 = i; - }, + } - getInterpolation: function() { + } - switch ( this.createInterpolant ) { + } - case this.InterpolantFactoryMethodDiscrete: + var coords = []; - return InterpolateDiscrete; + for ( var key in hash ) { - case this.InterpolantFactoryMethodLinear: + var h = hash[ key ]; - return InterpolateLinear; + if ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) { - case this.InterpolantFactoryMethodSmooth: + var vertex = vertices[ h.vert1 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); - return InterpolateSmooth; + vertex = vertices[ h.vert2 ]; + coords.push( vertex.x ); + coords.push( vertex.y ); + coords.push( vertex.z ); } - }, + } - getValueSize: function() { + this.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) ); - return this.values.length / this.times.length; + } - }, + EdgesGeometry.prototype = Object.create( BufferGeometry.prototype ); + EdgesGeometry.prototype.constructor = EdgesGeometry; - // move all keyframes either forwards or backwards in time - shift: function( timeOffset ) { + /** + * @author Mugen87 / https://github.com/Mugen87 + */ - if( timeOffset !== 0.0 ) { + function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - var times = this.times; + BufferGeometry.call( this ); - for( var i = 0, n = times.length; i !== n; ++ i ) { + this.type = 'CylinderBufferGeometry'; - times[ i ] += timeOffset; + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } + var scope = this; - } + radiusTop = radiusTop !== undefined ? radiusTop : 20; + radiusBottom = radiusBottom !== undefined ? radiusBottom : 20; + height = height !== undefined ? height : 100; - return this; + radialSegments = Math.floor( radialSegments ) || 8; + heightSegments = Math.floor( heightSegments ) || 1; - }, + openEnded = openEnded !== undefined ? openEnded : false; + thetaStart = thetaStart !== undefined ? thetaStart : 0.0; + thetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI; - // scale all keyframe times by a factor (useful for frame <-> seconds conversions) - scale: function( timeScale ) { + // used to calculate buffer length - if( timeScale !== 1.0 ) { + var nbCap = 0; - var times = this.times; + if ( openEnded === false ) { - for( var i = 0, n = times.length; i !== n; ++ i ) { + if ( radiusTop > 0 ) nbCap ++; + if ( radiusBottom > 0 ) nbCap ++; - times[ i ] *= timeScale; + } - } + var vertexCount = calculateVertexCount(); + var indexCount = calculateIndexCount(); - } + // buffers - return this; + var indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 ); + var vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 ); + var uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 ); - }, + // helper variables - // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. - // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values - trim: function( startTime, endTime ) { + var index = 0, + indexOffset = 0, + indexArray = [], + halfHeight = height / 2; - var times = this.times, - nKeys = times.length, - from = 0, - to = nKeys - 1; + // group variables + var groupStart = 0; - while ( from !== nKeys && times[ from ] < startTime ) ++ from; - while ( to !== -1 && times[ to ] > endTime ) -- to; + // generate geometry - ++ to; // inclusive -> exclusive bound + generateTorso(); - if( from !== 0 || to !== nKeys ) { + if ( openEnded === false ) { - // empty tracks are forbidden, so keep at least one keyframe - if ( from >= to ) to = Math.max( to , 1 ), from = to - 1; + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); - var stride = this.getValueSize(); - this.times = AnimationUtils.arraySlice( times, from, to ); - this.values = AnimationUtils. - arraySlice( this.values, from * stride, to * stride ); + } - } + // build geometry - return this; + this.setIndex( indices ); + this.addAttribute( 'position', vertices ); + this.addAttribute( 'normal', normals ); + this.addAttribute( 'uv', uvs ); - }, + // helper functions - // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable - validate: function() { + function calculateVertexCount() { - var valid = true; + var count = ( radialSegments + 1 ) * ( heightSegments + 1 ); - var valueSize = this.getValueSize(); - if ( valueSize - Math.floor( valueSize ) !== 0 ) { + if ( openEnded === false ) { - console.error( "invalid value size in track", this ); - valid = false; + count += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap ); } - var times = this.times, - values = this.values, + return count; - nKeys = times.length; + } - if( nKeys === 0 ) { + function calculateIndexCount() { - console.error( "track is empty", this ); - valid = false; + var count = radialSegments * heightSegments * 2 * 3; + + if ( openEnded === false ) { + + count += radialSegments * nbCap * 3; } - var prevTime = null; + return count; - for( var i = 0; i !== nKeys; i ++ ) { + } - var currTime = times[ i ]; + function generateTorso() { - if ( typeof currTime === 'number' && isNaN( currTime ) ) { + var x, y; + var normal = new Vector3(); + var vertex = new Vector3(); - console.error( "time is not a valid number", this, i, currTime ); - valid = false; - break; + var groupCount = 0; - } + // this will be used to calculate the normal + var slope = ( radiusBottom - radiusTop ) / height; - if( prevTime !== null && prevTime > currTime ) { + // generate vertices, normals and uvs - console.error( "out of order keys", this, i, currTime, prevTime ); - valid = false; - break; + for ( y = 0; y <= heightSegments; y ++ ) { - } + var indexRow = []; - prevTime = currTime; + var v = y / heightSegments; - } + // calculate the radius of the current row + var radius = v * ( radiusBottom - radiusTop ) + radiusTop; - if ( values !== undefined ) { + for ( x = 0; x <= radialSegments; x ++ ) { - if ( AnimationUtils.isTypedArray( values ) ) { + var u = x / radialSegments; - for ( var i = 0, n = values.length; i !== n; ++ i ) { + var theta = u * thetaLength + thetaStart; - var value = values[ i ]; + var sinTheta = Math.sin( theta ); + var cosTheta = Math.cos( theta ); - if ( isNaN( value ) ) { + // vertex + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - console.error( "value is not a valid number", this, i, value ); - valid = false; - break; + // normal + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.setXYZ( index, normal.x, normal.y, normal.z ); - } + // uv + uvs.setXY( index, u, 1 - v ); - } + // save index of vertex in respective row + indexRow.push( index ); + + // increase index + index ++; } + // now save vertices of the row in our index array + indexArray.push( indexRow ); + } - return valid; + // generate indices - }, + for ( x = 0; x < radialSegments; x ++ ) { - // removes equivalent sequential keys as common in morph target sequences - // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) - optimize: function() { + for ( y = 0; y < heightSegments; y ++ ) { - var times = this.times, - values = this.values, - stride = this.getValueSize(), + // we use the index array to access the correct indices + var i1 = indexArray[ y ][ x ]; + var i2 = indexArray[ y + 1 ][ x ]; + var i3 = indexArray[ y + 1 ][ x + 1 ]; + var i4 = indexArray[ y ][ x + 1 ]; - smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + // face one + indices.setX( indexOffset, i1 ); indexOffset ++; + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; - writeIndex = 1, - lastIndex = times.length - 1; + // face two + indices.setX( indexOffset, i2 ); indexOffset ++; + indices.setX( indexOffset, i3 ); indexOffset ++; + indices.setX( indexOffset, i4 ); indexOffset ++; - for( var i = 1; i < lastIndex; ++ i ) { + // update counters + groupCount += 6; - var keep = false; + } - var time = times[ i ]; - var timeNext = times[ i + 1 ]; + } - // remove adjacent keyframes scheduled at the same time - - if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { - - if ( ! smoothInterpolation ) { - - // remove unnecessary keyframes same as their neighbors - - var offset = i * stride, - offsetP = offset - stride, - offsetN = offset + stride; - - for ( var j = 0; j !== stride; ++ j ) { - - var value = values[ offset + j ]; - - if ( value !== values[ offsetP + j ] || - value !== values[ offsetN + j ] ) { + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, 0 ); - keep = true; - break; + // calculate new start value for groups + groupStart += groupCount; - } + } - } + function generateCap( top ) { - } else keep = true; + var x, centerIndexStart, centerIndexEnd; - } + var uv = new Vector2(); + var vertex = new Vector3(); - // in-place compaction + var groupCount = 0; - if ( keep ) { + var radius = ( top === true ) ? radiusTop : radiusBottom; + var sign = ( top === true ) ? 1 : - 1; - if ( i !== writeIndex ) { + // save the index of the first center vertex + centerIndexStart = index; - times[ writeIndex ] = times[ i ]; + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment - var readOffset = i * stride, - writeOffset = writeIndex * stride; + for ( x = 1; x <= radialSegments; x ++ ) { - for ( var j = 0; j !== stride; ++ j ) + // vertex + vertices.setXYZ( index, 0, halfHeight * sign, 0 ); - values[ writeOffset + j ] = values[ readOffset + j ]; + // normal + normals.setXYZ( index, 0, sign, 0 ); - } + // uv + uv.x = 0.5; + uv.y = 0.5; - ++ writeIndex; + uvs.setXY( index, uv.x, uv.y ); - } + // increase index + index ++; } - // flush last keyframe (compaction looks ahead) + // save the index of the last center vertex + centerIndexEnd = index; - if ( lastIndex > 0 ) { + // now we generate the surrounding vertices, normals and uvs - times[ writeIndex ] = times[ lastIndex ]; + for ( x = 0; x <= radialSegments; x ++ ) { - for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) + var u = x / radialSegments; + var theta = u * thetaLength + thetaStart; - values[ writeOffset + j ] = values[ readOffset + j ]; + var cosTheta = Math.cos( theta ); + var sinTheta = Math.sin( theta ); - ++ writeIndex; + // vertex + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.setXYZ( index, vertex.x, vertex.y, vertex.z ); - } + // normal + normals.setXYZ( index, 0, sign, 0 ); - if ( writeIndex !== times.length ) { + // uv + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.setXY( index, uv.x, uv.y ); - this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); - this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); + // increase index + index ++; } - return this; + // generate indices - } + for ( x = 0; x < radialSegments; x ++ ) { - }; + var c = centerIndexStart + x; + var i = centerIndexEnd + x; - function KeyframeTrackConstructor( name, times, values, interpolation ) { + if ( top === true ) { - if( name === undefined ) throw new Error( "track name is undefined" ); + // face top + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; - if( times === undefined || times.length === 0 ) { + } else { - throw new Error( "no keyframes in track named " + name ); + // face bottom + indices.setX( indexOffset, i + 1 ); indexOffset ++; + indices.setX( indexOffset, i ); indexOffset ++; + indices.setX( indexOffset, c ); indexOffset ++; - } + } - this.name = name; + // update counters + groupCount += 3; - this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); - this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); + } - this.setInterpolation( interpolation || this.DefaultInterpolation ); + // add a group to the geometry. this will ensure multi material support + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); - this.validate(); - this.optimize(); + // calculate new start value for groups + groupStart += groupCount; + + } } + CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry; + /** - * - * A Track of vectored keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author mrdoob / http://mrdoob.com/ */ - function VectorKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - - } + function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - VectorKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + Geometry.call( this ); - constructor: VectorKeyframeTrack, + this.type = 'CylinderGeometry'; - ValueTypeName: 'vector' + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - // ValueBufferType is inherited + this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) ); + this.mergeVertices(); - // DefaultInterpolation is inherited + } - } ); + CylinderGeometry.prototype = Object.create( Geometry.prototype ); + CylinderGeometry.prototype.constructor = CylinderGeometry; /** - * Spherical linear unit quaternion interpolant. - * - * @author tschw + * @author abelnation / http://github.com/abelnation */ - function QuaternionLinearInterpolant( - parameterPositions, sampleValues, sampleSize, resultBuffer ) { - - Interpolant.call( - this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - - } + function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - QuaternionLinearInterpolant.prototype = - Object.assign( Object.create( Interpolant.prototype ), { + CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - constructor: QuaternionLinearInterpolant, + this.type = 'ConeGeometry'; - interpolate_: function( i1, t0, t, t1 ) { + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - var result = this.resultBuffer, - values = this.sampleValues, - stride = this.valueSize, + } - offset = i1 * stride, + ConeGeometry.prototype = Object.create( CylinderGeometry.prototype ); + ConeGeometry.prototype.constructor = ConeGeometry; - alpha = ( t - t0 ) / ( t1 - t0 ); + /** + * @author: abelnation / http://github.com/abelnation + */ - for ( var end = offset + stride; offset !== end; offset += 4 ) { + function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) { - Quaternion.slerpFlat( result, 0, - values, offset - stride, values, offset, alpha ); + CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); - } + this.type = 'ConeBufferGeometry'; - return result; + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - } + } - } ); + ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype ); + ConeBufferGeometry.prototype.constructor = ConeBufferGeometry; /** - * - * A Track of quaternion keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author benaadams / https://twitter.com/ben_a_adams */ - function QuaternionKeyframeTrack( name, times, values, interpolation ) { + function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) { - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + BufferGeometry.call( this ); - } + this.type = 'CircleBufferGeometry'; - QuaternionKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - constructor: QuaternionKeyframeTrack, + radius = radius || 50; + segments = segments !== undefined ? Math.max( 3, segments ) : 8; - ValueTypeName: 'quaternion', + thetaStart = thetaStart !== undefined ? thetaStart : 0; + thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2; - // ValueBufferType is inherited + var vertices = segments + 2; - DefaultInterpolation: InterpolateLinear, + var positions = new Float32Array( vertices * 3 ); + var normals = new Float32Array( vertices * 3 ); + var uvs = new Float32Array( vertices * 2 ); - InterpolantFactoryMethodLinear: function( result ) { + // center data is already zero, but need to set a few extras + normals[ 2 ] = 1.0; + uvs[ 0 ] = 0.5; + uvs[ 1 ] = 0.5; - return new QuaternionLinearInterpolant( - this.times, this.values, this.getValueSize(), result ); + for ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) { - }, + var segment = thetaStart + s / segments * thetaLength; - InterpolantFactoryMethodSmooth: undefined // not yet implemented + positions[ i ] = radius * Math.cos( segment ); + positions[ i + 1 ] = radius * Math.sin( segment ); - } ); + normals[ i + 2 ] = 1; // normal z - /** - * - * A Track of numeric keyframe values. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + uvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2; + uvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2; - function NumberKeyframeTrack( name, times, values, interpolation ) { + } - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + var indices = []; - } + for ( var i = 1; i <= segments; i ++ ) { - NumberKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + indices.push( i, i + 1, 0 ); - constructor: NumberKeyframeTrack, + } - ValueTypeName: 'number', + this.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) ); + this.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + this.addAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) ); - // ValueBufferType is inherited + this.boundingSphere = new Sphere( new Vector3(), radius ); - // DefaultInterpolation is inherited + } - } ); + CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + CircleBufferGeometry.prototype.constructor = CircleBufferGeometry; /** - * - * A Track that interpolates Strings - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author hughes */ - function StringKeyframeTrack( name, times, values, interpolation ) { - - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - - } - - StringKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + function CircleGeometry( radius, segments, thetaStart, thetaLength ) { - constructor: StringKeyframeTrack, + Geometry.call( this ); - ValueTypeName: 'string', - ValueBufferType: Array, + this.type = 'CircleGeometry'; - DefaultInterpolation: InterpolateDiscrete, + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; - InterpolantFactoryMethodLinear: undefined, + this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) ); - InterpolantFactoryMethodSmooth: undefined + } - } ); + CircleGeometry.prototype = Object.create( Geometry.prototype ); + CircleGeometry.prototype.constructor = CircleGeometry; /** - * - * A Track of Boolean keyframe values. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author mrdoob / http://mrdoob.com/ + * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as */ - function BooleanKeyframeTrack( name, times, values ) { + function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) { - KeyframeTrackConstructor.call( this, name, times, values ); + Geometry.call( this ); - } + this.type = 'BoxGeometry'; - BooleanKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; - constructor: BooleanKeyframeTrack, + this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) ); + this.mergeVertices(); - ValueTypeName: 'bool', - ValueBufferType: Array, + } - DefaultInterpolation: InterpolateDiscrete, + BoxGeometry.prototype = Object.create( Geometry.prototype ); + BoxGeometry.prototype.constructor = BoxGeometry; - InterpolantFactoryMethodLinear: undefined, - InterpolantFactoryMethodSmooth: undefined - // Note: Actually this track could have a optimized / compressed - // representation of a single value and a custom interpolant that - // computes "firstValue ^ isOdd( index )". - } ); + var Geometries = Object.freeze({ + WireframeGeometry: WireframeGeometry, + ParametricGeometry: ParametricGeometry, + ParametricBufferGeometry: ParametricBufferGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TetrahedronBufferGeometry: TetrahedronBufferGeometry, + OctahedronGeometry: OctahedronGeometry, + OctahedronBufferGeometry: OctahedronBufferGeometry, + IcosahedronGeometry: IcosahedronGeometry, + IcosahedronBufferGeometry: IcosahedronBufferGeometry, + DodecahedronGeometry: DodecahedronGeometry, + DodecahedronBufferGeometry: DodecahedronBufferGeometry, + PolyhedronGeometry: PolyhedronGeometry, + PolyhedronBufferGeometry: PolyhedronBufferGeometry, + TubeGeometry: TubeGeometry, + TubeBufferGeometry: TubeBufferGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TorusKnotBufferGeometry: TorusKnotBufferGeometry, + TorusGeometry: TorusGeometry, + TorusBufferGeometry: TorusBufferGeometry, + TextGeometry: TextGeometry, + SphereBufferGeometry: SphereBufferGeometry, + SphereGeometry: SphereGeometry, + RingGeometry: RingGeometry, + RingBufferGeometry: RingBufferGeometry, + PlaneBufferGeometry: PlaneBufferGeometry, + PlaneGeometry: PlaneGeometry, + LatheGeometry: LatheGeometry, + LatheBufferGeometry: LatheBufferGeometry, + ShapeGeometry: ShapeGeometry, + ExtrudeGeometry: ExtrudeGeometry, + EdgesGeometry: EdgesGeometry, + ConeGeometry: ConeGeometry, + ConeBufferGeometry: ConeBufferGeometry, + CylinderGeometry: CylinderGeometry, + CylinderBufferGeometry: CylinderBufferGeometry, + CircleBufferGeometry: CircleBufferGeometry, + CircleGeometry: CircleGeometry, + BoxBufferGeometry: BoxBufferGeometry, + BoxGeometry: BoxGeometry + }); /** - * - * A Track of keyframe values that represent color. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author mrdoob / http://mrdoob.com/ */ - function ColorKeyframeTrack( name, times, values, interpolation ) { + function ShadowMaterial() { - KeyframeTrackConstructor.call( this, name, times, values, interpolation ); + ShaderMaterial.call( this, { + uniforms: UniformsUtils.merge( [ + UniformsLib[ "lights" ], + { + opacity: { value: 1.0 } + } + ] ), + vertexShader: ShaderChunk[ 'shadow_vert' ], + fragmentShader: ShaderChunk[ 'shadow_frag' ] + } ); + + this.lights = true; + this.transparent = true; + + Object.defineProperties( this, { + opacity: { + enumerable: true, + get: function () { + return this.uniforms.opacity.value; + }, + set: function ( value ) { + this.uniforms.opacity.value = value; + } + } + } ); } - ColorKeyframeTrack.prototype = - Object.assign( Object.create( KeyframeTrackPrototype ), { + ShadowMaterial.prototype = Object.create( ShaderMaterial.prototype ); + ShadowMaterial.prototype.constructor = ShadowMaterial; - constructor: ColorKeyframeTrack, + ShadowMaterial.prototype.isShadowMaterial = true; - ValueTypeName: 'color' + /** + * @author mrdoob / http://mrdoob.com/ + */ - // ValueBufferType is inherited + function RawShaderMaterial( parameters ) { - // DefaultInterpolation is inherited + ShaderMaterial.call( this, parameters ); + this.type = 'RawShaderMaterial'; - // Note: Very basic implementation and nothing special yet. - // However, this is the place for color space parameterization. + } - } ); + RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype ); + RawShaderMaterial.prototype.constructor = RawShaderMaterial; + + RawShaderMaterial.prototype.isRawShaderMaterial = true; /** - * - * A timed sequence of keyframes for a specific property. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author mrdoob / http://mrdoob.com/ */ - function KeyframeTrack( name, times, values, interpolation ) { + function MultiMaterial( materials ) { - KeyframeTrackConstructor.apply( this, arguments ); + this.uuid = _Math.generateUUID(); - } + this.type = 'MultiMaterial'; - KeyframeTrack.prototype = KeyframeTrackPrototype; - KeyframeTrackPrototype.constructor = KeyframeTrack; + this.materials = materials instanceof Array ? materials : []; - // Static methods: + this.visible = true; - Object.assign( KeyframeTrack, { + } - // Serialization (in static context, because of constructor invocation - // and automatic invocation of .toJSON): - - parse: function( json ) { + MultiMaterial.prototype = { - if( json.type === undefined ) { + constructor: MultiMaterial, - throw new Error( "track type undefined, can not parse" ); + isMultiMaterial: true, - } + toJSON: function ( meta ) { - var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type ); + var output = { + metadata: { + version: 4.2, + type: 'material', + generator: 'MaterialExporter' + }, + uuid: this.uuid, + type: this.type, + materials: [] + }; - if ( json.times === undefined ) { + var materials = this.materials; - var times = [], values = []; + for ( var i = 0, l = materials.length; i < l; i ++ ) { - AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); + var material = materials[ i ].toJSON( meta ); + delete material.metadata; - json.times = times; - json.values = values; + output.materials.push( material ); } - // derived classes can define a static parse method - if ( trackType.parse !== undefined ) { + output.visible = this.visible; - return trackType.parse( json ); + return output; - } else { + }, - // by default, we asssume a constructor compatible with the base - return new trackType( - json.name, json.times, json.values, json.interpolation ); + clone: function () { - } + var material = new this.constructor(); - }, + for ( var i = 0; i < this.materials.length; i ++ ) { - toJSON: function( track ) { + material.materials.push( this.materials[ i ].clone() ); - var trackType = track.constructor; + } - var json; + material.visible = this.visible; - // derived classes can define a static toJSON method - if ( trackType.toJSON !== undefined ) { + return material; - json = trackType.toJSON( track ); + } - } else { + }; - // by default, we assume the data can be serialized as-is - json = { + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * color: , + * roughness: , + * metalness: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * roughnessMap: new THREE.Texture( ), + * + * metalnessMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ), + * envMapIntensity: + * + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - 'name': track.name, - 'times': AnimationUtils.convertArray( track.times, Array ), - 'values': AnimationUtils.convertArray( track.values, Array ) + function MeshStandardMaterial( parameters ) { - }; + Material.call( this ); - var interpolation = track.getInterpolation(); + this.defines = { 'STANDARD': '' }; - if ( interpolation !== track.DefaultInterpolation ) { + this.type = 'MeshStandardMaterial'; - json.interpolation = interpolation; + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 0.5; + this.metalness = 0.5; - } + this.map = null; - } + this.lightMap = null; + this.lightMapIntensity = 1.0; - json.type = track.ValueTypeName; // mandatory + this.aoMap = null; + this.aoMapIntensity = 1.0; - return json; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; - }, + this.bumpMap = null; + this.bumpScale = 1; - _getTrackTypeForValueTypeName: function( typeName ) { + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); - switch( typeName.toLowerCase() ) { + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - case "scalar": - case "double": - case "float": - case "number": - case "integer": + this.roughnessMap = null; - return NumberKeyframeTrack; + this.metalnessMap = null; - case "vector": - case "vector2": - case "vector3": - case "vector4": + this.alphaMap = null; - return VectorKeyframeTrack; + this.envMap = null; + this.envMapIntensity = 1.0; - case "color": + this.refractionRatio = 0.98; - return ColorKeyframeTrack; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - case "quaternion": + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - return QuaternionKeyframeTrack; + this.setValues( parameters ); - case "bool": - case "boolean": + } - return BooleanKeyframeTrack; + MeshStandardMaterial.prototype = Object.create( Material.prototype ); + MeshStandardMaterial.prototype.constructor = MeshStandardMaterial; - case "string": + MeshStandardMaterial.prototype.isMeshStandardMaterial = true; - return StringKeyframeTrack; + MeshStandardMaterial.prototype.copy = function ( source ) { - } + Material.prototype.copy.call( this, source ); - throw new Error( "Unsupported typeName: " + typeName ); + this.defines = { 'STANDARD': '' }; - } + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; - } ); + this.map = source.map; - /** - * - * Reusable set of Tracks that represent an animation. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - */ + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - function AnimationClip( name, duration, tracks ) { + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - this.name = name; - this.tracks = tracks; - this.duration = ( duration !== undefined ) ? duration : -1; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - this.uuid = _Math.generateUUID(); + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; - // this means it should figure out its duration by scanning the tracks - if ( this.duration < 0 ) { + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); - this.resetDuration(); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - } + this.roughnessMap = source.roughnessMap; - this.optimize(); + this.metalnessMap = source.metalnessMap; - } + this.alphaMap = source.alphaMap; - AnimationClip.prototype = { + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; - constructor: AnimationClip, + this.refractionRatio = source.refractionRatio; - resetDuration: function() { + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - var tracks = this.tracks, - duration = 0; + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - for ( var i = 0, n = tracks.length; i !== n; ++ i ) { + return this; - var track = this.tracks[ i ]; + }; - duration = Math.max( - duration, track.times[ track.times.length - 1 ] ); + /** + * @author WestLangley / http://github.com/WestLangley + * + * parameters = { + * reflectivity: + * } + */ - } + function MeshPhysicalMaterial( parameters ) { - this.duration = duration; + MeshStandardMaterial.call( this ); - }, + this.defines = { 'PHYSICAL': '' }; - trim: function() { + this.type = 'MeshPhysicalMaterial'; - for ( var i = 0; i < this.tracks.length; i ++ ) { + this.reflectivity = 0.5; // maps to F0 = 0.04 - this.tracks[ i ].trim( 0, this.duration ); + this.clearCoat = 0.0; + this.clearCoatRoughness = 0.0; - } + this.setValues( parameters ); - return this; + } - }, + MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype ); + MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial; - optimize: function() { + MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true; - for ( var i = 0; i < this.tracks.length; i ++ ) { + MeshPhysicalMaterial.prototype.copy = function ( source ) { - this.tracks[ i ].optimize(); + MeshStandardMaterial.prototype.copy.call( this, source ); - } + this.defines = { 'PHYSICAL': '' }; - return this; + this.reflectivity = source.reflectivity; - } + this.clearCoat = source.clearCoat; + this.clearCoatRoughness = source.clearCoatRoughness; + + return this; }; - // Static methods: + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * specular: , + * shininess: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * bumpMap: new THREE.Texture( ), + * bumpScale: , + * + * normalMap: new THREE.Texture( ), + * normalScale: , + * + * displacementMap: new THREE.Texture( ), + * displacementScale: , + * displacementBias: , + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - Object.assign( AnimationClip, { + function MeshPhongMaterial( parameters ) { - parse: function( json ) { + Material.call( this ); - var tracks = [], - jsonTracks = json.tracks, - frameTime = 1.0 / ( json.fps || 1.0 ); + this.type = 'MeshPhongMaterial'; - for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; - tracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) ); + this.map = null; - } + this.lightMap = null; + this.lightMapIntensity = 1.0; - return new AnimationClip( json.name, json.duration, tracks ); + this.aoMap = null; + this.aoMapIntensity = 1.0; - }, + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; - toJSON: function( clip ) { + this.normalMap = null; + this.normalScale = new Vector2( 1, 1 ); - var tracks = [], - clipTracks = clip.tracks; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; - var json = { + this.specularMap = null; - 'name': clip.name, - 'duration': clip.duration, - 'tracks': tracks + this.alphaMap = null; - }; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - } + this.setValues( parameters ); - return json; + } - }, + MeshPhongMaterial.prototype = Object.create( Material.prototype ); + MeshPhongMaterial.prototype.constructor = MeshPhongMaterial; + MeshPhongMaterial.prototype.isMeshPhongMaterial = true; - CreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) { + MeshPhongMaterial.prototype.copy = function ( source ) { - var numMorphTargets = morphTargetSequence.length; - var tracks = []; + Material.prototype.copy.call( this, source ); - for ( var i = 0; i < numMorphTargets; i ++ ) { + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; - var times = []; - var values = []; + this.map = source.map; - times.push( - ( i + numMorphTargets - 1 ) % numMorphTargets, - i, - ( i + 1 ) % numMorphTargets ); + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - values.push( 0, 1, 0 ); + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - var order = AnimationUtils.getKeyframeOrder( times ); - times = AnimationUtils.sortedArray( times, 1, order ); - values = AnimationUtils.sortedArray( values, 1, order ); + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - // if there is a key at the first frame, duplicate it as the - // last frame as well for perfect loop. - if ( ! noLoop && times[ 0 ] === 0 ) { + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; - times.push( numMorphTargets ); - values.push( values[ 0 ] ); + this.normalMap = source.normalMap; + this.normalScale.copy( source.normalScale ); - } + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; - tracks.push( - new NumberKeyframeTrack( - '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', - times, values - ).scale( 1.0 / fps ) ); - } + this.specularMap = source.specularMap; - return new AnimationClip( name, -1, tracks ); + this.alphaMap = source.alphaMap; - }, + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - findByName: function( objectOrClipArray, name ) { + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - var clipArray = objectOrClipArray; + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - if ( ! Array.isArray( objectOrClipArray ) ) { + return this; - var o = objectOrClipArray; - clipArray = o.geometry && o.geometry.animations || o.animations; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + * + * parameters = { + * opacity: , + * + * wireframe: , + * wireframeLinewidth: + * } + */ - for ( var i = 0; i < clipArray.length; i ++ ) { + function MeshNormalMaterial( parameters ) { - if ( clipArray[ i ].name === name ) { + Material.call( this, parameters ); - return clipArray[ i ]; + this.type = 'MeshNormalMaterial'; - } - } + this.wireframe = false; + this.wireframeLinewidth = 1; - return null; + this.fog = false; + this.lights = false; + this.morphTargets = false; - }, + this.setValues( parameters ); - CreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) { + } - var animationToMorphTargets = {}; + MeshNormalMaterial.prototype = Object.create( Material.prototype ); + MeshNormalMaterial.prototype.constructor = MeshNormalMaterial; - // tested with https://regex101.com/ on trick sequences - // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 - var pattern = /^([\w-]*?)([\d]+)$/; + MeshNormalMaterial.prototype.isMeshNormalMaterial = true; - // sort morph target names into animation groups based - // patterns like Walk_001, Walk_002, Run_001, Run_002 - for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { - - var morphTarget = morphTargets[ i ]; - var parts = morphTarget.name.match( pattern ); - - if ( parts && parts.length > 1 ) { - - var name = parts[ 1 ]; - - var animationMorphTargets = animationToMorphTargets[ name ]; - if ( ! animationMorphTargets ) { - - animationToMorphTargets[ name ] = animationMorphTargets = []; - - } + MeshNormalMaterial.prototype.copy = function ( source ) { - animationMorphTargets.push( morphTarget ); + Material.prototype.copy.call( this, source ); - } + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; - } + return this; - var clips = []; + }; - for ( var name in animationToMorphTargets ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * map: new THREE.Texture( ), + * + * lightMap: new THREE.Texture( ), + * lightMapIntensity: + * + * aoMap: new THREE.Texture( ), + * aoMapIntensity: + * + * emissive: , + * emissiveIntensity: + * emissiveMap: new THREE.Texture( ), + * + * specularMap: new THREE.Texture( ), + * + * alphaMap: new THREE.Texture( ), + * + * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ), + * combine: THREE.Multiply, + * reflectivity: , + * refractionRatio: , + * + * wireframe: , + * wireframeLinewidth: , + * + * skinning: , + * morphTargets: , + * morphNormals: + * } + */ - clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + function MeshLambertMaterial( parameters ) { - } + Material.call( this ); - return clips; + this.type = 'MeshLambertMaterial'; - }, + this.color = new Color( 0xffffff ); // diffuse - // parse the animation.hierarchy format - parseAnimation: function( animation, bones ) { + this.map = null; - if ( ! animation ) { + this.lightMap = null; + this.lightMapIntensity = 1.0; - console.error( " no animation in JSONLoader data" ); - return null; + this.aoMap = null; + this.aoMapIntensity = 1.0; - } + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; - var addNonemptyTrack = function( - trackType, trackName, animationKeys, propertyName, destTracks ) { + this.specularMap = null; - // only return track if there are actually keys. - if ( animationKeys.length !== 0 ) { + this.alphaMap = null; - var times = []; - var values = []; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; - AnimationUtils.flattenJSON( - animationKeys, times, values, propertyName ); + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; - // empty keys are filtered out, so check again - if ( times.length !== 0 ) { + this.skinning = false; + this.morphTargets = false; + this.morphNormals = false; - destTracks.push( new trackType( trackName, times, values ) ); + this.setValues( parameters ); - } + } - } + MeshLambertMaterial.prototype = Object.create( Material.prototype ); + MeshLambertMaterial.prototype.constructor = MeshLambertMaterial; - }; + MeshLambertMaterial.prototype.isMeshLambertMaterial = true; - var tracks = []; + MeshLambertMaterial.prototype.copy = function ( source ) { - var clipName = animation.name || 'default'; - // automatic length determination in AnimationClip. - var duration = animation.length || -1; - var fps = animation.fps || 30; + Material.prototype.copy.call( this, source ); - var hierarchyTracks = animation.hierarchy || []; + this.color.copy( source.color ); - for ( var h = 0; h < hierarchyTracks.length; h ++ ) { + this.map = source.map; - var animationKeys = hierarchyTracks[ h ].keys; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; - // skip empty tracks - if ( ! animationKeys || animationKeys.length === 0 ) continue; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; - // process morph targets in a way exactly compatible - // with AnimationHandler.init( animation ) - if ( animationKeys[0].morphTargets ) { + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; - // figure out all morph targets used in this track - var morphTargetNames = {}; - for ( var k = 0; k < animationKeys.length; k ++ ) { + this.specularMap = source.specularMap; - if ( animationKeys[k].morphTargets ) { + this.alphaMap = source.alphaMap; - for ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) { + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; - morphTargetNames[ animationKeys[k].morphTargets[m] ] = -1; - } + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; - } + this.skinning = source.skinning; + this.morphTargets = source.morphTargets; + this.morphNormals = source.morphNormals; - } + return this; - // create a track for each morph target with all zero - // morphTargetInfluences except for the keys in which - // the morphTarget is named. - for ( var morphTargetName in morphTargetNames ) { + }; - var times = []; - var values = []; + /** + * @author alteredq / http://alteredqualia.com/ + * + * parameters = { + * color: , + * opacity: , + * + * linewidth: , + * + * scale: , + * dashSize: , + * gapSize: + * } + */ - for ( var m = 0; - m !== animationKeys[k].morphTargets.length; ++ m ) { + function LineDashedMaterial( parameters ) { - var animationKey = animationKeys[k]; + Material.call( this ); - times.push( animationKey.time ); - values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + this.type = 'LineDashedMaterial'; - } + this.color = new Color( 0xffffff ); - tracks.push( new NumberKeyframeTrack( - '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + this.linewidth = 1; - } + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; - duration = morphTargetNames.length * ( fps || 1.0 ); + this.lights = false; - } else { - // ...assume skeletal animation + this.setValues( parameters ); - var boneName = '.bones[' + bones[ h ].name + ']'; + } - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.position', - animationKeys, 'pos', tracks ); + LineDashedMaterial.prototype = Object.create( Material.prototype ); + LineDashedMaterial.prototype.constructor = LineDashedMaterial; - addNonemptyTrack( - QuaternionKeyframeTrack, boneName + '.quaternion', - animationKeys, 'rot', tracks ); + LineDashedMaterial.prototype.isLineDashedMaterial = true; - addNonemptyTrack( - VectorKeyframeTrack, boneName + '.scale', - animationKeys, 'scl', tracks ); + LineDashedMaterial.prototype.copy = function ( source ) { - } + Material.prototype.copy.call( this, source ); - } + this.color.copy( source.color ); - if ( tracks.length === 0 ) { + this.linewidth = source.linewidth; - return null; + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; - } + return this; - var clip = new AnimationClip( clipName, duration, tracks ); + }; - return clip; - } - } ); + var Materials = Object.freeze({ + ShadowMaterial: ShadowMaterial, + SpriteMaterial: SpriteMaterial, + RawShaderMaterial: RawShaderMaterial, + ShaderMaterial: ShaderMaterial, + PointsMaterial: PointsMaterial, + MultiMaterial: MultiMaterial, + MeshPhysicalMaterial: MeshPhysicalMaterial, + MeshStandardMaterial: MeshStandardMaterial, + MeshPhongMaterial: MeshPhongMaterial, + MeshNormalMaterial: MeshNormalMaterial, + MeshLambertMaterial: MeshLambertMaterial, + MeshDepthMaterial: MeshDepthMaterial, + MeshBasicMaterial: MeshBasicMaterial, + LineDashedMaterial: LineDashedMaterial, + LineBasicMaterial: LineBasicMaterial, + Material: Material + }); /** * @author mrdoob / http://mrdoob.com/ */ - function MaterialLoader( manager ) { + var Cache = { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - this.textures = {}; + enabled: false, - } + files: {}, - Object.assign( MaterialLoader.prototype, { + add: function ( key, file ) { - load: function ( url, onLoad, onProgress, onError ) { + if ( this.enabled === false ) return; - var scope = this; + // console.log( 'THREE.Cache', 'Adding key:', key ); - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + this.files[ key ] = file; - onLoad( scope.parse( JSON.parse( text ) ) ); + }, - }, onProgress, onError ); + get: function ( key ) { - }, + if ( this.enabled === false ) return; - setTextures: function ( value ) { + // console.log( 'THREE.Cache', 'Checking key:', key ); - this.textures = value; + return this.files[ key ]; }, - parse: function ( json ) { + remove: function ( key ) { - var textures = this.textures; + delete this.files[ key ]; - function getTexture( name ) { + }, - if ( textures[ name ] === undefined ) { + clear: function () { - console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + this.files = {}; - } + } - return textures[ name ]; + }; - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - var material = new Materials[ json.type ](); + function LoadingManager( onLoad, onProgress, onError ) { - if ( json.uuid !== undefined ) material.uuid = json.uuid; - if ( json.name !== undefined ) material.name = json.name; - if ( json.color !== undefined ) material.color.setHex( json.color ); - if ( json.roughness !== undefined ) material.roughness = json.roughness; - if ( json.metalness !== undefined ) material.metalness = json.metalness; - if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); - if ( json.specular !== undefined ) material.specular.setHex( json.specular ); - if ( json.shininess !== undefined ) material.shininess = json.shininess; - if ( json.uniforms !== undefined ) material.uniforms = json.uniforms; - if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; - if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; - if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; - if ( json.fog !== undefined ) material.fog = json.fog; - if ( json.shading !== undefined ) material.shading = json.shading; - if ( json.blending !== undefined ) material.blending = json.blending; - if ( json.side !== undefined ) material.side = json.side; - if ( json.opacity !== undefined ) material.opacity = json.opacity; - if ( json.transparent !== undefined ) material.transparent = json.transparent; - if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; - if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; - if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; - if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; - if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; - if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; - if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; - if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; - if ( json.skinning !== undefined ) material.skinning = json.skinning; - if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; + var scope = this; - // for PointsMaterial + var isLoading = false, itemsLoaded = 0, itemsTotal = 0; - if ( json.size !== undefined ) material.size = json.size; - if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; - // maps + this.itemStart = function ( url ) { - if ( json.map !== undefined ) material.map = getTexture( json.map ); + itemsTotal ++; - if ( json.alphaMap !== undefined ) { + if ( isLoading === false ) { - material.alphaMap = getTexture( json.alphaMap ); - material.transparent = true; + if ( scope.onStart !== undefined ) { - } + scope.onStart( url, itemsLoaded, itemsTotal ); - if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); - if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + } - if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); - if ( json.normalScale !== undefined ) { + } - var normalScale = json.normalScale; + isLoading = true; - if ( Array.isArray( normalScale ) === false ) { + }; - // Blender exporter used to export a scalar. See #7459 + this.itemEnd = function ( url ) { - normalScale = [ normalScale, normalScale ]; + itemsLoaded ++; - } + if ( scope.onProgress !== undefined ) { - material.normalScale = new Vector2().fromArray( normalScale ); + scope.onProgress( url, itemsLoaded, itemsTotal ); } - if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); - if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; - if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; - - if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); - if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); - - if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); - if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; - - if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + if ( itemsLoaded === itemsTotal ) { - if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + isLoading = false; - if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + if ( scope.onLoad !== undefined ) { - if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); - if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + scope.onLoad(); - if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); - if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + } - // MultiMaterial + } - if ( json.materials !== undefined ) { + }; - for ( var i = 0, l = json.materials.length; i < l; i ++ ) { + this.itemError = function ( url ) { - material.materials.push( this.parse( json.materials[ i ] ) ); + if ( scope.onError !== undefined ) { - } + scope.onError( url ); } - return material; + }; - } + } - } ); + var DefaultLoadingManager = new LoadingManager(); /** * @author mrdoob / http://mrdoob.com/ */ - function BufferGeometryLoader( manager ) { + function XHRLoader( manager ) { this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; } - Object.assign( BufferGeometryLoader.prototype, { + Object.assign( XHRLoader.prototype, { load: function ( url, onLoad, onProgress, onError ) { - var scope = this; + if ( url === undefined ) url = ''; - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + if ( this.path !== undefined ) url = this.path + url; - onLoad( scope.parse( JSON.parse( text ) ) ); + var scope = this; - }, onProgress, onError ); + var cached = Cache.get( url ); - }, + if ( cached !== undefined ) { - parse: function ( json ) { + scope.manager.itemStart( url ); - var geometry = new BufferGeometry(); + setTimeout( function () { - var index = json.data.index; + if ( onLoad ) onLoad( cached ); - var TYPED_ARRAYS = { - 'Int8Array': Int8Array, - 'Uint8Array': Uint8Array, - 'Uint8ClampedArray': Uint8ClampedArray, - 'Int16Array': Int16Array, - 'Uint16Array': Uint16Array, - 'Int32Array': Int32Array, - 'Uint32Array': Uint32Array, - 'Float32Array': Float32Array, - 'Float64Array': Float64Array - }; + scope.manager.itemEnd( url ); - if ( index !== undefined ) { + }, 0 ); - var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); - geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + return cached; } - var attributes = json.data.attributes; + // Check for data: URI + var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/; + var dataUriRegexResult = url.match( dataUriRegex ); - for ( var key in attributes ) { + // Safari can not handle Data URIs through XMLHttpRequest so process manually + if ( dataUriRegexResult ) { - var attribute = attributes[ key ]; - var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); + var mimeType = dataUriRegexResult[1]; + var isBase64 = !!dataUriRegexResult[2]; + var data = dataUriRegexResult[3]; - geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); + data = window.decodeURIComponent(data); - } + if( isBase64 ) { + data = window.atob(data); + } - var groups = json.data.groups || json.data.drawcalls || json.data.offsets; + try { - if ( groups !== undefined ) { + var response; + var responseType = ( this.responseType || '' ).toLowerCase(); - for ( var i = 0, n = groups.length; i !== n; ++ i ) { + switch ( responseType ) { - var group = groups[ i ]; + case 'arraybuffer': + case 'blob': - geometry.addGroup( group.start, group.count, group.materialIndex ); + response = new ArrayBuffer( data.length ); + var view = new Uint8Array( response ); + for ( var i = 0; i < data.length; i ++ ) { - } + view[ i ] = data.charCodeAt( i ); - } + } - var boundingSphere = json.data.boundingSphere; + if ( responseType === 'blob' ) { - if ( boundingSphere !== undefined ) { + response = new Blob( [ response ], { "type" : mimeType } ); - var center = new Vector3(); + } - if ( boundingSphere.center !== undefined ) { + break; - center.fromArray( boundingSphere.center ); + case 'document': - } + var parser = new DOMParser(); + response = parser.parseFromString( data, mimeType ); - geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + break; - } + case 'json': - return geometry; + response = JSON.parse( data ); - } + break; - } ); + default: // 'text' or other - /** - * @author alteredq / http://alteredqualia.com/ - */ + response = data; - function Loader() { + break; - this.onLoadStart = function () {}; - this.onLoadProgress = function () {}; - this.onLoadComplete = function () {}; + } - } + // Wait for next browser tick + window.setTimeout( function() { - Loader.prototype = { + if ( onLoad ) onLoad( response ); - constructor: Loader, + scope.manager.itemEnd( url ); - crossOrigin: undefined, + }, 0); - extractUrlBase: function ( url ) { + } catch ( error ) { - var parts = url.split( '/' ); + // Wait for next browser tick + window.setTimeout( function() { - if ( parts.length === 1 ) return './'; + if ( onError ) onError( error ); - parts.pop(); + scope.manager.itemError( url ); - return parts.join( '/' ) + '/'; + }, 0); - }, + } - initMaterials: function ( materials, texturePath, crossOrigin ) { + } else { - var array = []; + var request = new XMLHttpRequest(); + request.open( 'GET', url, true ); - for ( var i = 0; i < materials.length; ++ i ) { + request.addEventListener( 'load', function ( event ) { - array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin ); + var response = event.target.response; - } + Cache.add( url, response ); - return array; + if ( this.status === 200 ) { - }, + if ( onLoad ) onLoad( response ); - createMaterial: ( function () { + scope.manager.itemEnd( url ); - var color, textureLoader, materialLoader; + } else if ( this.status === 0 ) { - return function createMaterial( m, texturePath, crossOrigin ) { + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. - if ( color === undefined ) color = new Color(); - if ( textureLoader === undefined ) textureLoader = new TextureLoader(); - if ( materialLoader === undefined ) materialLoader = new MaterialLoader(); + console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' ); - // convert from old material format + if ( onLoad ) onLoad( response ); - var textures = {}; + scope.manager.itemEnd( url ); - function loadTexture( path, repeat, offset, wrap, anisotropy ) { + } else { - var fullPath = texturePath + path; - var loader = Loader.Handlers.get( fullPath ); + if ( onError ) onError( event ); - var texture; + scope.manager.itemError( url ); - if ( loader !== null ) { + } - texture = loader.load( fullPath ); + }, false ); - } else { + if ( onProgress !== undefined ) { - textureLoader.setCrossOrigin( crossOrigin ); - texture = textureLoader.load( fullPath ); + request.addEventListener( 'progress', function ( event ) { - } + onProgress( event ); - if ( repeat !== undefined ) { + }, false ); - texture.repeat.fromArray( repeat ); + } - if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping; - if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping; + request.addEventListener( 'error', function ( event ) { - } + if ( onError ) onError( event ); - if ( offset !== undefined ) { + scope.manager.itemError( url ); - texture.offset.fromArray( offset ); + }, false ); - } + if ( this.responseType !== undefined ) request.responseType = this.responseType; + if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials; - if ( wrap !== undefined ) { + if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' ); - if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping; - if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping; + request.send( null ); - if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping; - if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping; + } - } + scope.manager.itemStart( url ); - if ( anisotropy !== undefined ) { + return request; - texture.anisotropy = anisotropy; + }, - } + setPath: function ( value ) { - var uuid = _Math.generateUUID(); + this.path = value; + return this; - textures[ uuid ] = texture; + }, - return uuid; + setResponseType: function ( value ) { - } + this.responseType = value; + return this; - // + }, - var json = { - uuid: _Math.generateUUID(), - type: 'MeshLambertMaterial' - }; + setWithCredentials: function ( value ) { - for ( var name in m ) { + this.withCredentials = value; + return this; - var value = m[ name ]; + } - switch ( name ) { - case 'DbgColor': - case 'DbgIndex': - case 'opticalDensity': - case 'illumination': - break; - case 'DbgName': - json.name = value; - break; - case 'blending': - json.blending = BlendingMode[ value ]; - break; - case 'colorAmbient': - case 'mapAmbient': - console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' ); - break; - case 'colorDiffuse': - json.color = color.fromArray( value ).getHex(); - break; - case 'colorSpecular': - json.specular = color.fromArray( value ).getHex(); - break; - case 'colorEmissive': - json.emissive = color.fromArray( value ).getHex(); - break; - case 'specularCoef': - json.shininess = value; - break; - case 'shading': - if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial'; - if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial'; - if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial'; - break; - case 'mapDiffuse': - json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy ); - break; - case 'mapDiffuseRepeat': - case 'mapDiffuseOffset': - case 'mapDiffuseWrap': - case 'mapDiffuseAnisotropy': - break; - case 'mapEmissive': - json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy ); - break; - case 'mapEmissiveRepeat': - case 'mapEmissiveOffset': - case 'mapEmissiveWrap': - case 'mapEmissiveAnisotropy': - break; - case 'mapLight': - json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy ); - break; - case 'mapLightRepeat': - case 'mapLightOffset': - case 'mapLightWrap': - case 'mapLightAnisotropy': - break; - case 'mapAO': - json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy ); - break; - case 'mapAORepeat': - case 'mapAOOffset': - case 'mapAOWrap': - case 'mapAOAnisotropy': - break; - case 'mapBump': - json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy ); - break; - case 'mapBumpScale': - json.bumpScale = value; - break; - case 'mapBumpRepeat': - case 'mapBumpOffset': - case 'mapBumpWrap': - case 'mapBumpAnisotropy': - break; - case 'mapNormal': - json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy ); - break; - case 'mapNormalFactor': - json.normalScale = [ value, value ]; - break; - case 'mapNormalRepeat': - case 'mapNormalOffset': - case 'mapNormalWrap': - case 'mapNormalAnisotropy': - break; - case 'mapSpecular': - json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy ); - break; - case 'mapSpecularRepeat': - case 'mapSpecularOffset': - case 'mapSpecularWrap': - case 'mapSpecularAnisotropy': - break; - case 'mapMetalness': - json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy ); - break; - case 'mapMetalnessRepeat': - case 'mapMetalnessOffset': - case 'mapMetalnessWrap': - case 'mapMetalnessAnisotropy': - break; - case 'mapRoughness': - json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy ); - break; - case 'mapRoughnessRepeat': - case 'mapRoughnessOffset': - case 'mapRoughnessWrap': - case 'mapRoughnessAnisotropy': - break; - case 'mapAlpha': - json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy ); - break; - case 'mapAlphaRepeat': - case 'mapAlphaOffset': - case 'mapAlphaWrap': - case 'mapAlphaAnisotropy': - break; - case 'flipSided': - json.side = BackSide; - break; - case 'doubleSided': - json.side = DoubleSide; - break; - case 'transparency': - console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' ); - json.opacity = value; - break; - case 'depthTest': - case 'depthWrite': - case 'colorWrite': - case 'opacity': - case 'reflectivity': - case 'transparent': - case 'visible': - case 'wireframe': - json[ name ] = value; - break; - case 'vertexColors': - if ( value === true ) json.vertexColors = VertexColors; - if ( value === 'face' ) json.vertexColors = FaceColors; - break; - default: - console.error( 'THREE.Loader.createMaterial: Unsupported', name, value ); - break; - } + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + * + * Abstract Base class to block based textures loader (dds, pvr, ...) + */ - if ( json.type === 'MeshBasicMaterial' ) delete json.emissive; - if ( json.type !== 'MeshPhongMaterial' ) delete json.specular; + function CompressedTextureLoader( manager ) { - if ( json.opacity < 1 ) json.transparent = true; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - materialLoader.setTextures( textures ); + // override in sub classes + this._parser = null; - return materialLoader.parse( json ); + } - }; + Object.assign( CompressedTextureLoader.prototype, { - } )() + load: function ( url, onLoad, onProgress, onError ) { - }; + var scope = this; - Loader.Handlers = { + var images = []; - handlers: [], + var texture = new CompressedTexture(); + texture.image = images; - add: function ( regex, loader ) { + var loader = new XHRLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); - this.handlers.push( regex, loader ); + function loadTexture( i ) { - }, + loader.load( url[ i ], function ( buffer ) { - get: function ( file ) { + var texDatas = scope._parser( buffer, true ); - var handlers = this.handlers; + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; - for ( var i = 0, l = handlers.length; i < l; i += 2 ) { + loaded += 1; - var regex = handlers[ i ]; - var loader = handlers[ i + 1 ]; + if ( loaded === 6 ) { - if ( regex.test( file ) ) { + if ( texDatas.mipmapCount === 1 ) + texture.minFilter = LinearFilter; - return loader; + texture.format = texDatas.format; + texture.needsUpdate = true; - } + if ( onLoad ) onLoad( texture ); - } + } - return null; + }, onProgress, onError ); - } + } - }; + if ( Array.isArray( url ) ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + var loaded = 0; - function JSONLoader( manager ) { + for ( var i = 0, il = url.length; i < il; ++ i ) { - if ( typeof manager === 'boolean' ) { + loadTexture( i ); - console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' ); - manager = undefined; + } - } + } else { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + // compressed cubemap texture stored in a single DDS file - this.withCredentials = false; + loader.load( url, function ( buffer ) { - } + var texDatas = scope._parser( buffer, true ); - Object.assign( JSONLoader.prototype, { + if ( texDatas.isCubemap ) { - load: function( url, onLoad, onProgress, onError ) { + var faces = texDatas.mipmaps.length / texDatas.mipmapCount; - var scope = this; + for ( var f = 0; f < faces; f ++ ) { - var texturePath = this.texturePath && ( typeof this.texturePath === "string" ) ? this.texturePath : Loader.prototype.extractUrlBase( url ); + images[ f ] = { mipmaps : [] }; - var loader = new XHRLoader( this.manager ); - loader.setWithCredentials( this.withCredentials ); - loader.load( url, function ( text ) { + for ( var i = 0; i < texDatas.mipmapCount; i ++ ) { - var json = JSON.parse( text ); - var metadata = json.metadata; + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; - if ( metadata !== undefined ) { + } - var type = metadata.type; + } - if ( type !== undefined ) { + } else { - if ( type.toLowerCase() === 'object' ) { + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; - console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' ); - return; + } - } + if ( texDatas.mipmapCount === 1 ) { - if ( type.toLowerCase() === 'scene' ) { + texture.minFilter = LinearFilter; - console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' ); - return; + } - } + texture.format = texDatas.format; + texture.needsUpdate = true; - } + if ( onLoad ) onLoad( texture ); - } + }, onProgress, onError ); - var object = scope.parse( json, texturePath ); - onLoad( object.geometry, object.materials ); + } - }, onProgress, onError ); + return texture; }, - setTexturePath: function ( value ) { + setPath: function ( value ) { - this.texturePath = value; + this.path = value; + return this; - }, + } - parse: function ( json, texturePath ) { + } ); - var geometry = new Geometry(), - scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0; + /** + * @author Nikos M. / https://github.com/foo123/ + * + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + */ - parseModel( scale ); + var DataTextureLoader = BinaryTextureLoader; + function BinaryTextureLoader( manager ) { - parseSkin(); - parseMorphing( scale ); - parseAnimations(); + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - geometry.computeFaceNormals(); - geometry.computeBoundingSphere(); + // override in sub classes + this._parser = null; - function parseModel( scale ) { + } - function isBitSet( value, position ) { + Object.assign( BinaryTextureLoader.prototype, { - return value & ( 1 << position ); + load: function ( url, onLoad, onProgress, onError ) { - } + var scope = this; - var i, j, fi, + var texture = new DataTexture(); - offset, zLength, + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); - colorIndex, normalIndex, uvIndex, materialIndex, + loader.load( url, function ( buffer ) { - type, - isQuad, - hasMaterial, - hasFaceVertexUv, - hasFaceNormal, hasFaceVertexNormal, - hasFaceColor, hasFaceVertexColor, + var texData = scope._parser( buffer ); - vertex, face, faceA, faceB, hex, normal, + if ( ! texData ) return; - uvLayer, uv, u, v, + if ( undefined !== texData.image ) { - faces = json.faces, - vertices = json.vertices, - normals = json.normals, - colors = json.colors, + texture.image = texData.image; - nUvLayers = 0; + } else if ( undefined !== texData.data ) { - if ( json.uvs !== undefined ) { + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; - // disregard empty arrays + } - for ( i = 0; i < json.uvs.length; i ++ ) { + texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping; - if ( json.uvs[ i ].length ) nUvLayers ++; + texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter; + texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter; - } + texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1; - for ( i = 0; i < nUvLayers; i ++ ) { + if ( undefined !== texData.format ) { - geometry.faceVertexUvs[ i ] = []; + texture.format = texData.format; - } + } + if ( undefined !== texData.type ) { + + texture.type = texData.type; } - offset = 0; - zLength = vertices.length; + if ( undefined !== texData.mipmaps ) { - while ( offset < zLength ) { + texture.mipmaps = texData.mipmaps; - vertex = new Vector3(); + } - vertex.x = vertices[ offset ++ ] * scale; - vertex.y = vertices[ offset ++ ] * scale; - vertex.z = vertices[ offset ++ ] * scale; + if ( 1 === texData.mipmapCount ) { - geometry.vertices.push( vertex ); + texture.minFilter = LinearFilter; } - offset = 0; - zLength = faces.length; + texture.needsUpdate = true; - while ( offset < zLength ) { + if ( onLoad ) onLoad( texture, texData ); - type = faces[ offset ++ ]; + }, onProgress, onError ); - isQuad = isBitSet( type, 0 ); - hasMaterial = isBitSet( type, 1 ); - hasFaceVertexUv = isBitSet( type, 3 ); - hasFaceNormal = isBitSet( type, 4 ); - hasFaceVertexNormal = isBitSet( type, 5 ); - hasFaceColor = isBitSet( type, 6 ); - hasFaceVertexColor = isBitSet( type, 7 ); + return texture; - // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor); + } - if ( isQuad ) { + } ); - faceA = new Face3(); - faceA.a = faces[ offset ]; - faceA.b = faces[ offset + 1 ]; - faceA.c = faces[ offset + 3 ]; + /** + * @author mrdoob / http://mrdoob.com/ + */ - faceB = new Face3(); - faceB.a = faces[ offset + 1 ]; - faceB.b = faces[ offset + 2 ]; - faceB.c = faces[ offset + 3 ]; + function ImageLoader( manager ) { - offset += 4; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - if ( hasMaterial ) { + } - materialIndex = faces[ offset ++ ]; - faceA.materialIndex = materialIndex; - faceB.materialIndex = materialIndex; + Object.assign( ImageLoader.prototype, { - } + load: function ( url, onLoad, onProgress, onError ) { - // to get face <=> uv index correspondence + var scope = this; - fi = geometry.faces.length; + var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' ); + image.onload = function () { - if ( hasFaceVertexUv ) { + image.onload = null; - for ( i = 0; i < nUvLayers; i ++ ) { + URL.revokeObjectURL( image.src ); - uvLayer = json.uvs[ i ]; + if ( onLoad ) onLoad( image ); - geometry.faceVertexUvs[ i ][ fi ] = []; - geometry.faceVertexUvs[ i ][ fi + 1 ] = []; + scope.manager.itemEnd( url ); - for ( j = 0; j < 4; j ++ ) { + }; + image.onerror = onError; - uvIndex = faces[ offset ++ ]; + if ( url.indexOf( 'data:' ) === 0 ) { - u = uvLayer[ uvIndex * 2 ]; - v = uvLayer[ uvIndex * 2 + 1 ]; + image.src = url; - uv = new Vector2( u, v ); + } else { - if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv ); - if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv ); + var loader = new XHRLoader(); + loader.setPath( this.path ); + loader.setResponseType( 'blob' ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( blob ) { - } + image.src = URL.createObjectURL( blob ); - } + }, onProgress, onError ); - } + } - if ( hasFaceNormal ) { + scope.manager.itemStart( url ); - normalIndex = faces[ offset ++ ] * 3; + return image; - faceA.normal.set( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + }, - faceB.normal.copy( faceA.normal ); + setCrossOrigin: function ( value ) { - } + this.crossOrigin = value; + return this; - if ( hasFaceVertexNormal ) { + }, - for ( i = 0; i < 4; i ++ ) { + setWithCredentials: function ( value ) { - normalIndex = faces[ offset ++ ] * 3; + this.withCredentials = value; + return this; - normal = new Vector3( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + }, + setPath: function ( value ) { - if ( i !== 2 ) faceA.vertexNormals.push( normal ); - if ( i !== 0 ) faceB.vertexNormals.push( normal ); + this.path = value; + return this; - } + } - } + } ); + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( hasFaceColor ) { + function CubeTextureLoader( manager ) { - colorIndex = faces[ offset ++ ]; - hex = colors[ colorIndex ]; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - faceA.color.setHex( hex ); - faceB.color.setHex( hex ); + } - } + Object.assign( CubeTextureLoader.prototype, { + load: function ( urls, onLoad, onProgress, onError ) { - if ( hasFaceVertexColor ) { + var texture = new CubeTexture(); - for ( i = 0; i < 4; i ++ ) { + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); - colorIndex = faces[ offset ++ ]; - hex = colors[ colorIndex ]; + var loaded = 0; - if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) ); - if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) ); + function loadTexture( i ) { - } + loader.load( urls[ i ], function ( image ) { - } + texture.images[ i ] = image; - geometry.faces.push( faceA ); - geometry.faces.push( faceB ); + loaded ++; - } else { + if ( loaded === 6 ) { - face = new Face3(); - face.a = faces[ offset ++ ]; - face.b = faces[ offset ++ ]; - face.c = faces[ offset ++ ]; + texture.needsUpdate = true; - if ( hasMaterial ) { + if ( onLoad ) onLoad( texture ); - materialIndex = faces[ offset ++ ]; - face.materialIndex = materialIndex; + } - } + }, undefined, onError ); - // to get face <=> uv index correspondence + } - fi = geometry.faces.length; + for ( var i = 0; i < urls.length; ++ i ) { - if ( hasFaceVertexUv ) { + loadTexture( i ); - for ( i = 0; i < nUvLayers; i ++ ) { + } - uvLayer = json.uvs[ i ]; + return texture; - geometry.faceVertexUvs[ i ][ fi ] = []; + }, - for ( j = 0; j < 3; j ++ ) { + setCrossOrigin: function ( value ) { - uvIndex = faces[ offset ++ ]; + this.crossOrigin = value; + return this; - u = uvLayer[ uvIndex * 2 ]; - v = uvLayer[ uvIndex * 2 + 1 ]; + }, - uv = new Vector2( u, v ); + setPath: function ( value ) { - geometry.faceVertexUvs[ i ][ fi ].push( uv ); + this.path = value; + return this; - } + } - } + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( hasFaceNormal ) { + function TextureLoader( manager ) { - normalIndex = faces[ offset ++ ] * 3; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - face.normal.set( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + } - } + Object.assign( TextureLoader.prototype, { - if ( hasFaceVertexNormal ) { + load: function ( url, onLoad, onProgress, onError ) { - for ( i = 0; i < 3; i ++ ) { + var texture = new Texture(); - normalIndex = faces[ offset ++ ] * 3; + var loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setWithCredentials( this.withCredentials ); + loader.setPath( this.path ); + loader.load( url, function ( image ) { - normal = new Vector3( - normals[ normalIndex ++ ], - normals[ normalIndex ++ ], - normals[ normalIndex ] - ); + // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB. + var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0; - face.vertexNormals.push( normal ); + texture.format = isJPEG ? RGBFormat : RGBAFormat; + texture.image = image; + texture.needsUpdate = true; - } + if ( onLoad !== undefined ) { - } + onLoad( texture ); + } - if ( hasFaceColor ) { + }, onProgress, onError ); - colorIndex = faces[ offset ++ ]; - face.color.setHex( colors[ colorIndex ] ); + return texture; - } + }, + setCrossOrigin: function ( value ) { - if ( hasFaceVertexColor ) { + this.crossOrigin = value; + return this; - for ( i = 0; i < 3; i ++ ) { + }, - colorIndex = faces[ offset ++ ]; - face.vertexColors.push( new Color( colors[ colorIndex ] ) ); + setWithCredentials: function ( value ) { - } + this.withCredentials = value; + return this; - } + }, - geometry.faces.push( face ); + setPath: function ( value ) { - } + this.path = value; + return this; - } + } - } - function parseSkin() { - var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2; + } ); - if ( json.skinWeights ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) { + function Light( color, intensity ) { - var x = json.skinWeights[ i ]; - var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0; - var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0; - var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0; + Object3D.call( this ); - geometry.skinWeights.push( new Vector4( x, y, z, w ) ); + this.type = 'Light'; - } + this.color = new Color( color ); + this.intensity = intensity !== undefined ? intensity : 1; - } + this.receiveShadow = undefined; - if ( json.skinIndices ) { + } - for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) { + Light.prototype = Object.assign( Object.create( Object3D.prototype ), { - var a = json.skinIndices[ i ]; - var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0; - var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0; - var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0; + constructor: Light, - geometry.skinIndices.push( new Vector4( a, b, c, d ) ); + isLight: true, - } + copy: function ( source ) { - } + Object3D.prototype.copy.call( this, source ); - geometry.bones = json.bones; + this.color.copy( source.color ); + this.intensity = source.intensity; - if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) { + return this; - console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' + - geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' ); + }, - } + toJSON: function ( meta ) { - } + var data = Object3D.prototype.toJSON.call( this, meta ); - function parseMorphing( scale ) { + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; - if ( json.morphTargets !== undefined ) { + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); - for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) { + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; - geometry.morphTargets[ i ] = {}; - geometry.morphTargets[ i ].name = json.morphTargets[ i ].name; - geometry.morphTargets[ i ].vertices = []; + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); - var dstVertices = geometry.morphTargets[ i ].vertices; - var srcVertices = json.morphTargets[ i ].vertices; + return data; - for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) { + } - var vertex = new Vector3(); - vertex.x = srcVertices[ v ] * scale; - vertex.y = srcVertices[ v + 1 ] * scale; - vertex.z = srcVertices[ v + 2 ] * scale; + } ); - dstVertices.push( vertex ); + /** + * @author alteredq / http://alteredqualia.com/ + */ - } + function HemisphereLight( skyColor, groundColor, intensity ) { - } + Light.call( this, skyColor, intensity ); - } + this.type = 'HemisphereLight'; - if ( json.morphColors !== undefined && json.morphColors.length > 0 ) { + this.castShadow = undefined; - console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' ); + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - var faces = geometry.faces; - var morphColors = json.morphColors[ 0 ].colors; + this.groundColor = new Color( groundColor ); - for ( var i = 0, l = faces.length; i < l; i ++ ) { + } - faces[ i ].color.fromArray( morphColors, i * 3 ); + HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), { - } + constructor: HemisphereLight, - } + isHemisphereLight: true, - } + copy: function ( source ) { - function parseAnimations() { + Light.prototype.copy.call( this, source ); - var outputAnimations = []; + this.groundColor.copy( source.groundColor ); - // parse old style Bone/Hierarchy animations - var animations = []; + return this; - if ( json.animation !== undefined ) { + } - animations.push( json.animation ); + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( json.animations !== undefined ) { + function LightShadow( camera ) { - if ( json.animations.length ) { + this.camera = camera; - animations = animations.concat( json.animations ); + this.bias = 0; + this.radius = 1; - } else { + this.mapSize = new Vector2( 512, 512 ); - animations.push( json.animations ); + this.map = null; + this.matrix = new Matrix4(); - } + } - } + Object.assign( LightShadow.prototype, { - for ( var i = 0; i < animations.length; i ++ ) { + copy: function ( source ) { - var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones ); - if ( clip ) outputAnimations.push( clip ); + this.camera = source.camera.clone(); - } + this.bias = source.bias; + this.radius = source.radius; - // parse implicit morph animations - if ( geometry.morphTargets ) { + this.mapSize.copy( source.mapSize ); - // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary. - var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 ); - outputAnimations = outputAnimations.concat( morphAnimationClips ); + return this; - } + }, - if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations; + clone: function () { - } + return new this.constructor().copy( this ); - if ( json.materials === undefined || json.materials.length === 0 ) { + }, - return { geometry: geometry }; + toJSON: function () { - } else { + var object = {}; - var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin ); + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); - return { geometry: geometry, materials: materials }; + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; - } + return object; } @@ -33088,3351 +34423,3586 @@ * @author mrdoob / http://mrdoob.com/ */ - function ObjectLoader ( manager ) { + function SpotLightShadow() { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - this.texturePath = ''; + LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) ); } - Object.assign( ObjectLoader.prototype, { + SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - load: function ( url, onLoad, onProgress, onError ) { + constructor: SpotLightShadow, - if ( this.texturePath === '' ) { + isSpotLightShadow: true, - this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 ); + update: function ( light ) { - } + var fov = _Math.RAD2DEG * 2 * light.angle; + var aspect = this.mapSize.width / this.mapSize.height; + var far = light.distance || 500; - var scope = this; + var camera = this.camera; - var loader = new XHRLoader( scope.manager ); - loader.load( url, function ( text ) { + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { - scope.parse( JSON.parse( text ), onLoad ); + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); - }, onProgress, onError ); + } - }, + } - setTexturePath: function ( value ) { + } ); - this.texturePath = value; + /** + * @author alteredq / http://alteredqualia.com/ + */ - }, + function SpotLight( color, intensity, distance, angle, penumbra, decay ) { - setCrossOrigin: function ( value ) { + Light.call( this, color, intensity ); - this.crossOrigin = value; + this.type = 'SpotLight'; - }, + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - parse: function ( json, onLoad ) { + this.target = new Object3D(); - var geometries = this.parseGeometries( json.geometries ); + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * Math.PI; + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / Math.PI; + } + } ); - var images = this.parseImages( json.images, function () { + this.distance = ( distance !== undefined ) ? distance : 0; + this.angle = ( angle !== undefined ) ? angle : Math.PI / 3; + this.penumbra = ( penumbra !== undefined ) ? penumbra : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - if ( onLoad !== undefined ) onLoad( object ); + this.shadow = new SpotLightShadow(); - } ); + } - var textures = this.parseTextures( json.textures, images ); - var materials = this.parseMaterials( json.materials, textures ); + SpotLight.prototype = Object.assign( Object.create( Light.prototype ), { - var object = this.parseObject( json.object, geometries, materials ); + constructor: SpotLight, - if ( json.animations ) { + isSpotLight: true, - object.animations = this.parseAnimations( json.animations ); + copy: function ( source ) { - } + Light.prototype.copy.call( this, source ); - if ( json.images === undefined || json.images.length === 0 ) { + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; - if ( onLoad !== undefined ) onLoad( object ); + this.target = source.target.clone(); - } - - return object; - - }, - - parseGeometries: function ( json ) { + this.shadow = source.shadow.clone(); - var geometries = {}; + return this; - if ( json !== undefined ) { + } - var geometryLoader = new JSONLoader(); - var bufferGeometryLoader = new BufferGeometryLoader(); + } ); - for ( var i = 0, l = json.length; i < l; i ++ ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var geometry; - var data = json[ i ]; - switch ( data.type ) { + function PointLight( color, intensity, distance, decay ) { - case 'PlaneGeometry': - case 'PlaneBufferGeometry': + Light.call( this, color, intensity ); - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.widthSegments, - data.heightSegments - ); + this.type = 'PointLight'; - break; + Object.defineProperty( this, 'power', { + get: function () { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + return this.intensity * 4 * Math.PI; - case 'BoxGeometry': - case 'BoxBufferGeometry': - case 'CubeGeometry': // backwards compatible + }, + set: function ( power ) { + // intensity = power per solid angle. + // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf + this.intensity = power / ( 4 * Math.PI ); + } + } ); - geometry = new Geometries[ data.type ]( - data.width, - data.height, - data.depth, - data.widthSegments, - data.heightSegments, - data.depthSegments - ); + this.distance = ( distance !== undefined ) ? distance : 0; + this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2. - break; + this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); - case 'CircleGeometry': - case 'CircleBufferGeometry': + } - geometry = new Geometries[ data.type ]( - data.radius, - data.segments, - data.thetaStart, - data.thetaLength - ); + PointLight.prototype = Object.assign( Object.create( Light.prototype ), { - break; + constructor: PointLight, - case 'CylinderGeometry': - case 'CylinderBufferGeometry': + isPointLight: true, - geometry = new Geometries[ data.type ]( - data.radiusTop, - data.radiusBottom, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); + copy: function ( source ) { - break; + Light.prototype.copy.call( this, source ); - case 'ConeGeometry': - case 'ConeBufferGeometry': + this.distance = source.distance; + this.decay = source.decay; - geometry = new Geometries[ data.type ]( - data.radius, - data.height, - data.radialSegments, - data.heightSegments, - data.openEnded, - data.thetaStart, - data.thetaLength - ); + this.shadow = source.shadow.clone(); - break; + return this; - case 'SphereGeometry': - case 'SphereBufferGeometry': + } - geometry = new Geometries[ data.type ]( - data.radius, - data.widthSegments, - data.heightSegments, - data.phiStart, - data.phiLength, - data.thetaStart, - data.thetaLength - ); + } ); - break; + /** + * @author mrdoob / http://mrdoob.com/ + */ - case 'DodecahedronGeometry': - case 'IcosahedronGeometry': - case 'OctahedronGeometry': - case 'TetrahedronGeometry': + function DirectionalLightShadow( light ) { - geometry = new Geometries[ data.type ]( - data.radius, - data.detail - ); + LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); - break; + } - case 'RingGeometry': - case 'RingBufferGeometry': + DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), { - geometry = new Geometries[ data.type ]( - data.innerRadius, - data.outerRadius, - data.thetaSegments, - data.phiSegments, - data.thetaStart, - data.thetaLength - ); + constructor: DirectionalLightShadow - break; + } ); - case 'TorusGeometry': - case 'TorusBufferGeometry': + /** + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.radialSegments, - data.tubularSegments, - data.arc - ); + function DirectionalLight( color, intensity ) { - break; + Light.call( this, color, intensity ); - case 'TorusKnotGeometry': - case 'TorusKnotBufferGeometry': + this.type = 'DirectionalLight'; - geometry = new Geometries[ data.type ]( - data.radius, - data.tube, - data.tubularSegments, - data.radialSegments, - data.p, - data.q - ); + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); - break; + this.target = new Object3D(); - case 'LatheGeometry': - case 'LatheBufferGeometry': + this.shadow = new DirectionalLightShadow(); - geometry = new Geometries[ data.type ]( - data.points, - data.segments, - data.phiStart, - data.phiLength - ); + } - break; + DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), { - case 'BufferGeometry': + constructor: DirectionalLight, - geometry = bufferGeometryLoader.parse( data ); + isDirectionalLight: true, - break; + copy: function ( source ) { - case 'Geometry': + Light.prototype.copy.call( this, source ); - geometry = geometryLoader.parse( data.data, this.texturePath ).geometry; + this.target = source.target.clone(); - break; + this.shadow = source.shadow.clone(); - default: + return this; - console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); + } - continue; + } ); - } + /** + * @author mrdoob / http://mrdoob.com/ + */ - geometry.uuid = data.uuid; + function AmbientLight( color, intensity ) { - if ( data.name !== undefined ) geometry.name = data.name; + Light.call( this, color, intensity ); - geometries[ data.uuid ] = geometry; + this.type = 'AmbientLight'; - } + this.castShadow = undefined; - } + } - return geometries; + AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), { - }, + constructor: AmbientLight, - parseMaterials: function ( json, textures ) { + isAmbientLight: true, - var materials = {}; + } ); - if ( json !== undefined ) { + /** + * @author tschw + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ - var loader = new MaterialLoader(); - loader.setTextures( textures ); + var AnimationUtils = { - for ( var i = 0, l = json.length; i < l; i ++ ) { + // same as Array.prototype.slice, but also works on typed arrays + arraySlice: function( array, from, to ) { - var material = loader.parse( json[ i ] ); - materials[ material.uuid ] = material; + if ( AnimationUtils.isTypedArray( array ) ) { - } + return new array.constructor( array.subarray( from, to ) ); } - return materials; + return array.slice( from, to ); }, - parseAnimations: function ( json ) { - - var animations = []; + // converts an array to a specific type + convertArray: function( array, type, forceClone ) { - for ( var i = 0; i < json.length; i ++ ) { + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; - var clip = AnimationClip.parse( json[ i ] ); + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { - animations.push( clip ); + return new type( array ); // create typed array } - return animations; + return Array.prototype.slice.call( array ); // create Array }, - parseImages: function ( json, onLoad ) { + isTypedArray: function( object ) { - var scope = this; - var images = {}; + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); - function loadImage( url ) { + }, - scope.manager.itemStart( url ); + // returns an array by which times and values can be sorted + getKeyframeOrder: function( times ) { - return loader.load( url, function () { + function compareTime( i, j ) { - scope.manager.itemEnd( url ); + return times[ i ] - times[ j ]; - }, undefined, function () { + } - scope.manager.itemError( url ); + var n = times.length; + var result = new Array( n ); + for ( var i = 0; i !== n; ++ i ) result[ i ] = i; - } ); + result.sort( compareTime ); - } + return result; - if ( json !== undefined && json.length > 0 ) { + }, - var manager = new LoadingManager( onLoad ); + // uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray: function( values, stride, order ) { - var loader = new ImageLoader( manager ); - loader.setCrossOrigin( this.crossOrigin ); + var nValues = values.length; + var result = new values.constructor( nValues ); - for ( var i = 0, l = json.length; i < l; i ++ ) { + for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { - var image = json[ i ]; - var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url; + var srcOffset = order[ i ] * stride; - images[ image.uuid ] = loadImage( path ); + for ( var j = 0; j !== stride; ++ j ) { + + result[ dstOffset ++ ] = values[ srcOffset + j ]; } } - return images; + return result; }, - parseTextures: function ( json, images ) { - - function parseConstant( value, type ) { + // function for parsing AOS keyframe formats + flattenJSON: function( jsonKeys, times, values, valuePropertyName ) { - if ( typeof( value ) === 'number' ) return value; + var i = 1, key = jsonKeys[ 0 ]; - console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { - return type[ value ]; + key = jsonKeys[ i ++ ]; } - var textures = {}; - - if ( json !== undefined ) { - - for ( var i = 0, l = json.length; i < l; i ++ ) { + if ( key === undefined ) return; // no data - var data = json[ i ]; + var value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data - if ( data.image === undefined ) { + if ( Array.isArray( value ) ) { - console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + do { - } + value = key[ valuePropertyName ]; - if ( images[ data.image ] === undefined ) { + if ( value !== undefined ) { - console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + times.push( key.time ); + values.push.apply( values, value ); // push all elements } - var texture = new Texture( images[ data.image ] ); - texture.needsUpdate = true; + key = jsonKeys[ i ++ ]; - texture.uuid = data.uuid; + } while ( key !== undefined ); - if ( data.name !== undefined ) texture.name = data.name; + } else if ( value.toArray !== undefined ) { + // ...assume THREE.Math-ish - if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping ); + do { - if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); - if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); - if ( data.wrap !== undefined ) { + value = key[ valuePropertyName ]; - texture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping ); - texture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping ); + if ( value !== undefined ) { + + times.push( key.time ); + value.toArray( values, values.length ); } - if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter ); - if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter ); - if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + key = jsonKeys[ i ++ ]; - if ( data.flipY !== undefined ) texture.flipY = data.flipY; + } while ( key !== undefined ); - textures[ data.uuid ] = texture; + } else { + // otherwise push as-is - } + do { - } + value = key[ valuePropertyName ]; - return textures; + if ( value !== undefined ) { - }, + times.push( key.time ); + values.push( value ); - parseObject: function () { + } - var matrix = new Matrix4(); + key = jsonKeys[ i ++ ]; - return function parseObject( data, geometries, materials ) { + } while ( key !== undefined ); - var object; + } - function getGeometry( name ) { + } - if ( geometries[ name ] === undefined ) { + }; - console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + /** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + * @author tschw + */ - } + function Interpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - return geometries[ name ]; + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; - } + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; - function getMaterial( name ) { + } - if ( name === undefined ) return undefined; + Interpolant.prototype = { - if ( materials[ name ] === undefined ) { + constructor: Interpolant, - console.warn( 'THREE.ObjectLoader: Undefined material', name ); + evaluate: function( t ) { - } + var pp = this.parameterPositions, + i1 = this._cachedIndex, - return materials[ name ]; + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; - } + validate_interval: { - switch ( data.type ) { + seek: { - case 'Scene': + var right; - object = new Scene(); + linear_scan: { + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { - if ( data.background !== undefined ) { + for ( var giveUpAt = i1 + 2; ;) { - if ( Number.isInteger( data.background ) ) { + if ( t1 === undefined ) { - object.background = new Color( data.background ); + if ( t < t0 ) break forward_scan; - } + // after end - } + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t, t0 ); - if ( data.fog !== undefined ) { + } - if ( data.fog.type === 'Fog' ) { + if ( i1 === giveUpAt ) break; // this loop - object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + t0 = t1; + t1 = pp[ ++ i1 ]; - } else if ( data.fog.type === 'FogExp2' ) { + if ( t < t1 ) { - object.fog = new FogExp2( data.fog.color, data.fog.density ); + // we have arrived at the sought interval + break seek; + + } } + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; + } - break; + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { - case 'PerspectiveCamera': + // looping? - object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + var t1global = pp[ 1 ]; - if ( data.focus !== undefined ) object.focus = data.focus; - if ( data.zoom !== undefined ) object.zoom = data.zoom; - if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; - if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; - if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + if ( t < t1global ) { - break; + i1 = 2; // + 1, using the scan for the details + t0 = t1global; - case 'OrthographicCamera': + } - object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + // linear reverse scan - break; + for ( var giveUpAt = i1 - 2; ;) { - case 'AmbientLight': + if ( t0 === undefined ) { - object = new AmbientLight( data.color, data.intensity ); + // before start - break; + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); - case 'DirectionalLight': + } - object = new DirectionalLight( data.color, data.intensity ); + if ( i1 === giveUpAt ) break; // this loop - break; + t1 = t0; + t0 = pp[ -- i1 - 1 ]; - case 'PointLight': + if ( t >= t0 ) { - object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + // we have arrived at the sought interval + break seek; - break; + } - case 'SpotLight': + } - object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; - break; + } - case 'HemisphereLight': + // the interval is valid - object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + break validate_interval; - break; + } // linear scan - case 'Mesh': + // binary search - var geometry = getGeometry( data.geometry ); - var material = getMaterial( data.material ); + while ( i1 < right ) { - if ( geometry.bones && geometry.bones.length > 0 ) { + var mid = ( i1 + right ) >>> 1; - object = new SkinnedMesh( geometry, material ); + if ( t < pp[ mid ] ) { + + right = mid; } else { - object = new Mesh( geometry, material ); + i1 = mid + 1; } - break; - - case 'LOD': - - object = new LOD(); + } - break; + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; - case 'Line': + // check boundary cases, again - object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); + if ( t0 === undefined ) { - break; + this._cachedIndex = 0; + return this.beforeStart_( 0, t, t1 ); - case 'LineSegments': + } - object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + if ( t1 === undefined ) { - break; + i1 = pp.length; + this._cachedIndex = i1; + return this.afterEnd_( i1 - 1, t0, t ); - case 'PointCloud': - case 'Points': + } - object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + } // seek - break; + this._cachedIndex = i1; - case 'Sprite': + this.intervalChanged_( i1, t0, t1 ); - object = new Sprite( getMaterial( data.material ) ); + } // validate_interval - break; + return this.interpolate_( i1, t0, t, t1 ); - case 'Group': + }, - object = new Group(); + settings: null, // optional, subclass-specific settings structure + // Note: The indirection allows central control of many interpolants. - break; + // --- Protected interface - default: + DefaultSettings_: {}, - object = new Object3D(); + getSettings_: function() { - } + return this.settings || this.DefaultSettings_; - object.uuid = data.uuid; + }, - if ( data.name !== undefined ) object.name = data.name; - if ( data.matrix !== undefined ) { + copySampleValue_: function( index ) { - matrix.fromArray( data.matrix ); - matrix.decompose( object.position, object.quaternion, object.scale ); + // copies a sample value to the result buffer - } else { + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; - if ( data.position !== undefined ) object.position.fromArray( data.position ); - if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); - if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); - if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + for ( var i = 0; i !== stride; ++ i ) { - } + result[ i ] = values[ offset + i ]; - if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; - if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + } - if ( data.shadow ) { + return result; - if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; - if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; - if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); - if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + }, - } + // Template methods for derived classes: - if ( data.visible !== undefined ) object.visible = data.visible; - if ( data.userData !== undefined ) object.userData = data.userData; + interpolate_: function( i1, t0, t, t1 ) { - if ( data.children !== undefined ) { + throw new Error( "call to abstract method" ); + // implementations shall return this.resultBuffer - for ( var child in data.children ) { + }, - object.add( this.parseObject( data.children[ child ], geometries, materials ) ); + intervalChanged_: function( i1, t0, t1 ) { - } + // empty - } + } - if ( data.type === 'LOD' ) { + }; - var levels = data.levels; + Object.assign( Interpolant.prototype, { - for ( var l = 0; l < levels.length; l ++ ) { + beforeStart_: //( 0, t, t0 ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_, - var level = levels[ l ]; - var child = object.getObjectByProperty( 'uuid', level.object ); + afterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer + Interpolant.prototype.copySampleValue_ - if ( child !== undefined ) { + } ); - object.addLevel( child, level.distance ); + /** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + * + * @author tschw + */ - } + function CubicInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - } + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - } + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; - return object; + } - }; + CubicInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - }() + constructor: CubicInterpolant, - } ); + DefaultSettings_: { - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Extensible curve object - * - * Some common of Curve methods - * .getPoint(t), getTangent(t) - * .getPointAt(u), getTangentAt(u) - * .getPoints(), .getSpacedPoints() - * .getLength() - * .updateArcLengths() - * - * This following classes subclasses THREE.Curve: - * - * -- 2d classes -- - * THREE.LineCurve - * THREE.QuadraticBezierCurve - * THREE.CubicBezierCurve - * THREE.SplineCurve - * THREE.ArcCurve - * THREE.EllipseCurve - * - * -- 3d classes -- - * THREE.LineCurve3 - * THREE.QuadraticBezierCurve3 - * THREE.CubicBezierCurve3 - * THREE.SplineCurve3 - * - * A series of curves can be represented as a THREE.CurvePath - * - **/ + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding - /************************************************************** - * Abstract Curve base class - **************************************************************/ + }, - function Curve() {} + intervalChanged_: function( i1, t0, t1 ) { - Curve.prototype = { + var pp = this.parameterPositions, + iPrev = i1 - 2, + iNext = i1 + 1, - constructor: Curve, + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; - // Virtual base class method to overwrite and implement in subclasses - // - t [0 .. 1] + if ( tPrev === undefined ) { - getPoint: function ( t ) { + switch ( this.getSettings_().endingStart ) { - console.warn( "THREE.Curve: Warning, getPoint() not implemented!" ); - return null; + case ZeroSlopeEnding: - }, + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; - // Get point at relative position in curve according to arc length - // - u [0 .. 1] + break; - getPointAt: function ( u ) { + case WrapAroundEnding: - var t = this.getUtoTmapping( u ); - return this.getPoint( t ); + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; - }, + break; - // Get sequence of points using getPoint( t ) + default: // ZeroCurvatureEnding - getPoints: function ( divisions ) { + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; - if ( ! divisions ) divisions = 5; + } - var points = []; + } - for ( var d = 0; d <= divisions; d ++ ) { + if ( tNext === undefined ) { - points.push( this.getPoint( d / divisions ) ); + switch ( this.getSettings_().endingEnd ) { - } + case ZeroSlopeEnding: - return points; + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; - }, + break; - // Get sequence of points using getPointAt( u ) + case WrapAroundEnding: - getSpacedPoints: function ( divisions ) { + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; - if ( ! divisions ) divisions = 5; + break; - var points = []; + default: // ZeroCurvatureEnding - for ( var d = 0; d <= divisions; d ++ ) { + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; - points.push( this.getPointAt( d / divisions ) ); + } } - return points; + var halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; }, - // Get total curve arc length + interpolate_: function( i1, t0, t, t1 ) { - getLength: function () { + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - var lengths = this.getLengths(); - return lengths[ lengths.length - 1 ]; + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, - }, + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; - // Get list of cumulative segment lengths + // evaluate polynomials - getLengths: function ( divisions ) { + var sP = - wP * ppp + 2 * wP * pp - wP * p; + var s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; + var s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + var sN = wN * ppp - wN * pp; - if ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200; + // combine data linearly - if ( this.cacheArcLengths - && ( this.cacheArcLengths.length === divisions + 1 ) - && ! this.needsUpdate ) { + for ( var i = 0; i !== stride; ++ i ) { - //console.log( "cached", this.cacheArcLengths ); - return this.cacheArcLengths; + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; } - this.needsUpdate = false; + return result; - var cache = []; - var current, last = this.getPoint( 0 ); - var p, sum = 0; + } - cache.push( 0 ); + } ); - for ( p = 1; p <= divisions; p ++ ) { + /** + * @author tschw + */ - current = this.getPoint ( p / divisions ); - sum += current.distanceTo( last ); - cache.push( sum ); - last = current; + function LinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - } + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - this.cacheArcLengths = cache; + } - return cache; // { sums: cache, sum:sum }; Sum is in the last element. + LinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - }, + constructor: LinearInterpolant, - updateArcLengths: function() { + interpolate_: function( i1, t0, t, t1 ) { - this.needsUpdate = true; - this.getLengths(); + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - }, + offset1 = i1 * stride, + offset0 = offset1 - stride, - // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; - getUtoTmapping: function ( u, distance ) { + for ( var i = 0; i !== stride; ++ i ) { - var arcLengths = this.getLengths(); + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; - var i = 0, il = arcLengths.length; + } - var targetArcLength; // The targeted u distance value to get + return result; - if ( distance ) { + } - targetArcLength = distance; + } ); - } else { + /** + * + * Interpolant that evaluates to the sample value at the position preceeding + * the parameter. + * + * @author tschw + */ - targetArcLength = u * arcLengths[ il - 1 ]; + function DiscreteInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - } + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - //var time = Date.now(); + } - // binary search for the index with largest value smaller than target u distance + DiscreteInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - var low = 0, high = il - 1, comparison; + constructor: DiscreteInterpolant, - while ( low <= high ) { + interpolate_: function( i1, t0, t, t1 ) { - i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + return this.copySampleValue_( i1 - 1 ); - comparison = arcLengths[ i ] - targetArcLength; + } - if ( comparison < 0 ) { + } ); - low = i + 1; + var KeyframeTrackPrototype; - } else if ( comparison > 0 ) { + KeyframeTrackPrototype = { - high = i - 1; + TimeBufferType: Float32Array, + ValueBufferType: Float32Array, - } else { + DefaultInterpolation: InterpolateLinear, - high = i; - break; + InterpolantFactoryMethodDiscrete: function( result ) { - // DONE + return new DiscreteInterpolant( + this.times, this.values, this.getValueSize(), result ); - } + }, - } + InterpolantFactoryMethodLinear: function( result ) { - i = high; + return new LinearInterpolant( + this.times, this.values, this.getValueSize(), result ); - //console.log('b' , i, low, high, Date.now()- time); + }, - if ( arcLengths[ i ] === targetArcLength ) { + InterpolantFactoryMethodSmooth: function( result ) { - var t = i / ( il - 1 ); - return t; + return new CubicInterpolant( + this.times, this.values, this.getValueSize(), result ); - } + }, - // we could get finer grain at lengths, or use simple interpolation between two points + setInterpolation: function( interpolation ) { - var lengthBefore = arcLengths[ i ]; - var lengthAfter = arcLengths[ i + 1 ]; + var factoryMethod; - var segmentLength = lengthAfter - lengthBefore; + switch ( interpolation ) { - // determine where we are between the 'before' and 'after' points + case InterpolateDiscrete: - var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + factoryMethod = this.InterpolantFactoryMethodDiscrete; - // add that fractional amount to t + break; - var t = ( i + segmentFraction ) / ( il - 1 ); + case InterpolateLinear: - return t; + factoryMethod = this.InterpolantFactoryMethodLinear; - }, + break; - // Returns a unit vector tangent at t - // In case any sub curve does not implement its tangent derivation, - // 2 points a small delta apart will be used to find its gradient - // which seems to give a reasonable approximation + case InterpolateSmooth: - getTangent: function( t ) { + factoryMethod = this.InterpolantFactoryMethodSmooth; - var delta = 0.0001; - var t1 = t - delta; - var t2 = t + delta; + break; - // Capping in case of danger + } - if ( t1 < 0 ) t1 = 0; - if ( t2 > 1 ) t2 = 1; + if ( factoryMethod === undefined ) { - var pt1 = this.getPoint( t1 ); - var pt2 = this.getPoint( t2 ); + var message = "unsupported interpolation for " + + this.ValueTypeName + " keyframe track named " + this.name; - var vec = pt2.clone().sub( pt1 ); - return vec.normalize(); + if ( this.createInterpolant === undefined ) { - }, + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { - getTangentAt: function ( u ) { + this.setInterpolation( this.DefaultInterpolation ); - var t = this.getUtoTmapping( u ); - return this.getTangent( t ); + } else { - }, + throw new Error( message ); // fatal, in this case - computeFrenetFrames: function ( segments, closed ) { + } - // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + } - var normal = new Vector3(); + console.warn( message ); + return; - var tangents = []; - var normals = []; - var binormals = []; + } - var vec = new Vector3(); - var mat = new Matrix4(); + this.createInterpolant = factoryMethod; - var i, u, theta; + }, - // compute the tangent vectors for each segment on the curve - - for ( i = 0; i <= segments; i ++ ) { + getInterpolation: function() { - u = i / segments; + switch ( this.createInterpolant ) { - tangents[ i ] = this.getTangentAt( u ); - tangents[ i ].normalize(); + case this.InterpolantFactoryMethodDiscrete: - } + return InterpolateDiscrete; - // select an initial normal vector perpendicular to the first tangent vector, - // and in the direction of the minimum tangent xyz component + case this.InterpolantFactoryMethodLinear: - normals[ 0 ] = new Vector3(); - binormals[ 0 ] = new Vector3(); - var min = Number.MAX_VALUE; - var tx = Math.abs( tangents[ 0 ].x ); - var ty = Math.abs( tangents[ 0 ].y ); - var tz = Math.abs( tangents[ 0 ].z ); + return InterpolateLinear; - if ( tx <= min ) { + case this.InterpolantFactoryMethodSmooth: - min = tx; - normal.set( 1, 0, 0 ); + return InterpolateSmooth; } - if ( ty <= min ) { + }, - min = ty; - normal.set( 0, 1, 0 ); + getValueSize: function() { - } + return this.values.length / this.times.length; - if ( tz <= min ) { + }, - normal.set( 0, 0, 1 ); + // move all keyframes either forwards or backwards in time + shift: function( timeOffset ) { - } + if( timeOffset !== 0.0 ) { - vec.crossVectors( tangents[ 0 ], normal ).normalize(); + var times = this.times; - normals[ 0 ].crossVectors( tangents[ 0 ], vec ); - binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + for( var i = 0, n = times.length; i !== n; ++ i ) { + times[ i ] += timeOffset; - // compute the slowly-varying normal and binormal vectors for each segment on the curve + } - for ( i = 1; i <= segments; i ++ ) { + } - normals[ i ] = normals[ i - 1 ].clone(); + return this; - binormals[ i ] = binormals[ i - 1 ].clone(); + }, - vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale: function( timeScale ) { - if ( vec.length() > Number.EPSILON ) { + if( timeScale !== 1.0 ) { - vec.normalize(); + var times = this.times; - theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + for( var i = 0, n = times.length; i !== n; ++ i ) { - normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + times[ i ] *= timeScale; } - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - } - // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + return this; - if ( closed === true ) { + }, - theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); - theta /= segments; + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim: function( startTime, endTime ) { - if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + var times = this.times, + nKeys = times.length, + from = 0, + to = nKeys - 1; - theta = - theta; + while ( from !== nKeys && times[ from ] < startTime ) ++ from; + while ( to !== -1 && times[ to ] > endTime ) -- to; - } + ++ to; // inclusive -> exclusive bound - for ( i = 1; i <= segments; i ++ ) { + if( from !== 0 || to !== nKeys ) { - // twist a little... - normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); - binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) to = Math.max( to , 1 ), from = to - 1; - } + var stride = this.getValueSize(); + this.times = AnimationUtils.arraySlice( times, from, to ); + this.values = AnimationUtils. + arraySlice( this.values, from * stride, to * stride ); } - return { - tangents: tangents, - normals: normals, - binormals: binormals - }; - - } + return this; - }; + }, - // TODO: Transformation for Curves? + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate: function() { - /************************************************************** - * 3D Curves - **************************************************************/ + var valid = true; - // A Factory method for creating new curve subclasses + var valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { - Curve.create = function ( constructor, getPointFunc ) { + console.error( "invalid value size in track", this ); + valid = false; - constructor.prototype = Object.create( Curve.prototype ); - constructor.prototype.constructor = constructor; - constructor.prototype.getPoint = getPointFunc; + } - return constructor; + var times = this.times, + values = this.values, - }; + nKeys = times.length; - /************************************************************** - * Line - **************************************************************/ + if( nKeys === 0 ) { - function LineCurve( v1, v2 ) { + console.error( "track is empty", this ); + valid = false; - this.v1 = v1; - this.v2 = v2; + } - } + var prevTime = null; - LineCurve.prototype = Object.create( Curve.prototype ); - LineCurve.prototype.constructor = LineCurve; + for( var i = 0; i !== nKeys; i ++ ) { - LineCurve.prototype.isLineCurve = true; + var currTime = times[ i ]; - LineCurve.prototype.getPoint = function ( t ) { + if ( typeof currTime === 'number' && isNaN( currTime ) ) { - if ( t === 1 ) { + console.error( "time is not a valid number", this, i, currTime ); + valid = false; + break; - return this.v2.clone(); + } - } + if( prevTime !== null && prevTime > currTime ) { - var point = this.v2.clone().sub( this.v1 ); - point.multiplyScalar( t ).add( this.v1 ); + console.error( "out of order keys", this, i, currTime, prevTime ); + valid = false; + break; - return point; + } - }; + prevTime = currTime; - // Line curve is linear, so we can overwrite default getPointAt + } - LineCurve.prototype.getPointAt = function ( u ) { + if ( values !== undefined ) { - return this.getPoint( u ); + if ( AnimationUtils.isTypedArray( values ) ) { - }; + for ( var i = 0, n = values.length; i !== n; ++ i ) { - LineCurve.prototype.getTangent = function( t ) { + var value = values[ i ]; - var tangent = this.v2.clone().sub( this.v1 ); + if ( isNaN( value ) ) { - return tangent.normalize(); + console.error( "value is not a valid number", this, i, value ); + valid = false; + break; - }; + } - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * - **/ + } - /************************************************************** - * Curved Path - a curve path is simply a array of connected - * curves, but retains the api of a curve - **************************************************************/ + } - function CurvePath() { + } - this.curves = []; + return valid; - this.autoClose = false; // Automatically closes the path + }, - } + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize: function() { - CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { + var times = this.times, + values = this.values, + stride = this.getValueSize(), - constructor: CurvePath, + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, - add: function ( curve ) { + writeIndex = 1, + lastIndex = times.length - 1; - this.curves.push( curve ); + for( var i = 1; i < lastIndex; ++ i ) { - }, + var keep = false; - closePath: function () { + var time = times[ i ]; + var timeNext = times[ i + 1 ]; - // Add a line curve if start and end of lines are not connected - var startPoint = this.curves[ 0 ].getPoint( 0 ); - var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + // remove adjacent keyframes scheduled at the same time - if ( ! startPoint.equals( endPoint ) ) { + if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) { - this.curves.push( new LineCurve( endPoint, startPoint ) ); + if ( ! smoothInterpolation ) { - } + // remove unnecessary keyframes same as their neighbors - }, + var offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; - // To get accurate point with reference to - // entire path distance at time t, - // following has to be done: + for ( var j = 0; j !== stride; ++ j ) { - // 1. Length of each sub path have to be known - // 2. Locate and identify type of curve - // 3. Get t for the curve - // 4. Return curve.getPointAt(t') + var value = values[ offset + j ]; - getPoint: function ( t ) { + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { - var d = t * this.getLength(); - var curveLengths = this.getCurveLengths(); - var i = 0; + keep = true; + break; - // To think about boundaries points. + } - while ( i < curveLengths.length ) { + } - if ( curveLengths[ i ] >= d ) { + } else keep = true; - var diff = curveLengths[ i ] - d; - var curve = this.curves[ i ]; + } - var segmentLength = curve.getLength(); - var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + // in-place compaction - return curve.getPointAt( u ); + if ( keep ) { - } + if ( i !== writeIndex ) { - i ++; + times[ writeIndex ] = times[ i ]; - } + var readOffset = i * stride, + writeOffset = writeIndex * stride; - return null; + for ( var j = 0; j !== stride; ++ j ) - // loop where sum != 0, sum > d , sum+1 0 ) { - this.needsUpdate = true; - this.cacheLengths = null; - this.getLengths(); + times[ writeIndex ] = times[ lastIndex ]; - }, + for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) - // Compute lengths and cache them - // We cannot overwrite getLengths() because UtoT mapping uses it. + values[ writeOffset + j ] = values[ readOffset + j ]; - getCurveLengths: function () { + ++ writeIndex; - // We use cache values if curves and cache array are same length + } - if ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) { + if ( writeIndex !== times.length ) { - return this.cacheLengths; + this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); + this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); } - // Get length of sub-curve - // Push sums into cached array + return this; - var lengths = [], sums = 0; + } - for ( var i = 0, l = this.curves.length; i < l; i ++ ) { + }; - sums += this.curves[ i ].getLength(); - lengths.push( sums ); + function KeyframeTrackConstructor( name, times, values, interpolation ) { - } + if( name === undefined ) throw new Error( "track name is undefined" ); - this.cacheLengths = lengths; + if( times === undefined || times.length === 0 ) { - return lengths; + throw new Error( "no keyframes in track named " + name ); - }, + } - getSpacedPoints: function ( divisions ) { + this.name = name; - if ( ! divisions ) divisions = 40; + this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); + this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); - var points = []; + this.setInterpolation( interpolation || this.DefaultInterpolation ); - for ( var i = 0; i <= divisions; i ++ ) { + this.validate(); + this.optimize(); - points.push( this.getPoint( i / divisions ) ); + } - } + /** + * + * A Track of vectored keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - if ( this.autoClose ) { + function VectorKeyframeTrack( name, times, values, interpolation ) { - points.push( points[ 0 ] ); + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - } + } - return points; + VectorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - }, + constructor: VectorKeyframeTrack, - getPoints: function ( divisions ) { + ValueTypeName: 'vector' - divisions = divisions || 12; + // ValueBufferType is inherited - var points = [], last; + // DefaultInterpolation is inherited - for ( var i = 0, curves = this.curves; i < curves.length; i ++ ) { + } ); - var curve = curves[ i ]; - var resolution = (curve && curve.isEllipseCurve) ? divisions * 2 - : (curve && curve.isLineCurve) ? 1 - : (curve && curve.isSplineCurve) ? divisions * curve.points.length - : divisions; + /** + * Spherical linear unit quaternion interpolant. + * + * @author tschw + */ - var pts = curve.getPoints( resolution ); + function QuaternionLinearInterpolant( + parameterPositions, sampleValues, sampleSize, resultBuffer ) { - for ( var j = 0; j < pts.length; j++ ) { + Interpolant.call( + this, parameterPositions, sampleValues, sampleSize, resultBuffer ); - var point = pts[ j ]; + } - if ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates + QuaternionLinearInterpolant.prototype = + Object.assign( Object.create( Interpolant.prototype ), { - points.push( point ); - last = point; + constructor: QuaternionLinearInterpolant, - } + interpolate_: function( i1, t0, t, t1 ) { - } + var result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, - if ( this.autoClose && points.length > 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) { + offset = i1 * stride, - points.push( points[ 0 ] ); + alpha = ( t - t0 ) / ( t1 - t0 ); - } + for ( var end = offset + stride; offset !== end; offset += 4 ) { - return points; + Quaternion.slerpFlat( result, 0, + values, offset - stride, values, offset, alpha ); - }, + } - /************************************************************** - * Create Geometries Helpers - **************************************************************/ + return result; - /// Generate geometry from path points (for Line or Points objects) + } - createPointsGeometry: function ( divisions ) { + } ); - var pts = this.getPoints( divisions ); - return this.createGeometry( pts ); + /** + * + * A Track of quaternion keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - }, + function QuaternionKeyframeTrack( name, times, values, interpolation ) { - // Generate geometry from equidistant sampling along the path + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - createSpacedPointsGeometry: function ( divisions ) { + } - var pts = this.getSpacedPoints( divisions ); - return this.createGeometry( pts ); + QuaternionKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - }, + constructor: QuaternionKeyframeTrack, - createGeometry: function ( points ) { + ValueTypeName: 'quaternion', - var geometry = new Geometry(); + // ValueBufferType is inherited - for ( var i = 0, l = points.length; i < l; i ++ ) { + DefaultInterpolation: InterpolateLinear, - var point = points[ i ]; - geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); + InterpolantFactoryMethodLinear: function( result ) { - } + return new QuaternionLinearInterpolant( + this.times, this.values, this.getValueSize(), result ); - return geometry; + }, - } + InterpolantFactoryMethodSmooth: undefined // not yet implemented } ); - /************************************************************** - * Ellipse curve - **************************************************************/ - - function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + /** + * + * A Track of numeric keyframe values. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - this.aX = aX; - this.aY = aY; + function NumberKeyframeTrack( name, times, values, interpolation ) { - this.xRadius = xRadius; - this.yRadius = yRadius; + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - this.aStartAngle = aStartAngle; - this.aEndAngle = aEndAngle; + } - this.aClockwise = aClockwise; + NumberKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - this.aRotation = aRotation || 0; + constructor: NumberKeyframeTrack, - } + ValueTypeName: 'number', - EllipseCurve.prototype = Object.create( Curve.prototype ); - EllipseCurve.prototype.constructor = EllipseCurve; + // ValueBufferType is inherited - EllipseCurve.prototype.isEllipseCurve = true; + // DefaultInterpolation is inherited - EllipseCurve.prototype.getPoint = function( t ) { + } ); - var twoPi = Math.PI * 2; - var deltaAngle = this.aEndAngle - this.aStartAngle; - var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + /** + * + * A Track that interpolates Strings + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - // ensures that deltaAngle is 0 .. 2 PI - while ( deltaAngle < 0 ) deltaAngle += twoPi; - while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + function StringKeyframeTrack( name, times, values, interpolation ) { - if ( deltaAngle < Number.EPSILON ) { + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - if ( samePoints ) { + } - deltaAngle = 0; - - } else { - - deltaAngle = twoPi; + StringKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - } + constructor: StringKeyframeTrack, - } + ValueTypeName: 'string', + ValueBufferType: Array, - if ( this.aClockwise === true && ! samePoints ) { + DefaultInterpolation: InterpolateDiscrete, - if ( deltaAngle === twoPi ) { + InterpolantFactoryMethodLinear: undefined, - deltaAngle = - twoPi; + InterpolantFactoryMethodSmooth: undefined - } else { + } ); - deltaAngle = deltaAngle - twoPi; + /** + * + * A Track of Boolean keyframe values. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - } + function BooleanKeyframeTrack( name, times, values ) { - } + KeyframeTrackConstructor.call( this, name, times, values ); - var angle = this.aStartAngle + t * deltaAngle; - var x = this.aX + this.xRadius * Math.cos( angle ); - var y = this.aY + this.yRadius * Math.sin( angle ); + } - if ( this.aRotation !== 0 ) { + BooleanKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - var cos = Math.cos( this.aRotation ); - var sin = Math.sin( this.aRotation ); + constructor: BooleanKeyframeTrack, - var tx = x - this.aX; - var ty = y - this.aY; + ValueTypeName: 'bool', + ValueBufferType: Array, - // Rotate the point about the center of the ellipse. - x = tx * cos - ty * sin + this.aX; - y = tx * sin + ty * cos + this.aY; + DefaultInterpolation: InterpolateDiscrete, - } + InterpolantFactoryMethodLinear: undefined, + InterpolantFactoryMethodSmooth: undefined - return new Vector2( x, y ); + // Note: Actually this track could have a optimized / compressed + // representation of a single value and a custom interpolant that + // computes "firstValue ^ isOdd( index )". - }; + } ); /** - * @author zz85 / http://www.lab4games.net/zz85/blog + * + * A Track of keyframe values that represent color. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw */ - var CurveUtils = { + function ColorKeyframeTrack( name, times, values, interpolation ) { - tangentQuadraticBezier: function ( t, p0, p1, p2 ) { + KeyframeTrackConstructor.call( this, name, times, values, interpolation ); - return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 ); + } - }, + ColorKeyframeTrack.prototype = + Object.assign( Object.create( KeyframeTrackPrototype ), { - // Puay Bing, thanks for helping with this derivative! + constructor: ColorKeyframeTrack, - tangentCubicBezier: function ( t, p0, p1, p2, p3 ) { + ValueTypeName: 'color' - return - 3 * p0 * ( 1 - t ) * ( 1 - t ) + - 3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) + - 6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 + - 3 * t * t * p3; + // ValueBufferType is inherited - }, + // DefaultInterpolation is inherited - tangentSpline: function ( t, p0, p1, p2, p3 ) { - // To check if my formulas are correct + // Note: Very basic implementation and nothing special yet. + // However, this is the place for color space parameterization. - var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1 - var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t - var h01 = - 6 * t * t + 6 * t; // − 2t3 + 3t2 - var h11 = 3 * t * t - 2 * t; // t3 − t2 + } ); - return h00 + h10 + h01 + h11; + /** + * + * A timed sequence of keyframes for a specific property. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - }, + function KeyframeTrack( name, times, values, interpolation ) { - // Catmull-Rom + KeyframeTrackConstructor.apply( this, arguments ); - interpolate: function( p0, p1, p2, p3, t ) { + } - var v0 = ( p2 - p0 ) * 0.5; - var v1 = ( p3 - p1 ) * 0.5; - var t2 = t * t; - var t3 = t * t2; - return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + KeyframeTrack.prototype = KeyframeTrackPrototype; + KeyframeTrackPrototype.constructor = KeyframeTrack; - } + // Static methods: - }; + Object.assign( KeyframeTrack, { - /************************************************************** - * Spline curve - **************************************************************/ + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): - function SplineCurve( points /* array of Vector2 */ ) { + parse: function( json ) { - this.points = ( points === undefined ) ? [] : points; + if( json.type === undefined ) { - } + throw new Error( "track type undefined, can not parse" ); - SplineCurve.prototype = Object.create( Curve.prototype ); - SplineCurve.prototype.constructor = SplineCurve; + } - SplineCurve.prototype.isSplineCurve = true; + var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type ); - SplineCurve.prototype.getPoint = function ( t ) { + if ( json.times === undefined ) { - var points = this.points; - var point = ( points.length - 1 ) * t; + var times = [], values = []; - var intPoint = Math.floor( point ); - var weight = point - intPoint; + AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); - var point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; - var point1 = points[ intPoint ]; - var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; - var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + json.times = times; + json.values = values; - var interpolate = CurveUtils.interpolate; + } - return new Vector2( - interpolate( point0.x, point1.x, point2.x, point3.x, weight ), - interpolate( point0.y, point1.y, point2.y, point3.y, weight ) - ); + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { - }; + return trackType.parse( json ); - /************************************************************** - * Cubic Bezier curve - **************************************************************/ + } else { - function CubicBezierCurve( v0, v1, v2, v3 ) { + // by default, we asssume a constructor compatible with the base + return new trackType( + json.name, json.times, json.values, json.interpolation ); - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; + } - } + }, - CubicBezierCurve.prototype = Object.create( Curve.prototype ); - CubicBezierCurve.prototype.constructor = CubicBezierCurve; + toJSON: function( track ) { - CubicBezierCurve.prototype.getPoint = function ( t ) { + var trackType = track.constructor; - var b3 = ShapeUtils.b3; + var json; - return new Vector2( - b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) - ); + // derived classes can define a static toJSON method + if ( trackType.toJSON !== undefined ) { - }; + json = trackType.toJSON( track ); - CubicBezierCurve.prototype.getTangent = function( t ) { + } else { - var tangentCubicBezier = CurveUtils.tangentCubicBezier; + // by default, we assume the data can be serialized as-is + json = { - return new Vector2( - tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) - ).normalize(); + 'name': track.name, + 'times': AnimationUtils.convertArray( track.times, Array ), + 'values': AnimationUtils.convertArray( track.values, Array ) - }; + }; - /************************************************************** - * Quadratic Bezier curve - **************************************************************/ + var interpolation = track.getInterpolation(); + if ( interpolation !== track.DefaultInterpolation ) { - function QuadraticBezierCurve( v0, v1, v2 ) { + json.interpolation = interpolation; - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; + } - } + } - QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); - QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; + json.type = track.ValueTypeName; // mandatory + return json; - QuadraticBezierCurve.prototype.getPoint = function ( t ) { + }, - var b2 = ShapeUtils.b2; + _getTrackTypeForValueTypeName: function( typeName ) { - return new Vector2( - b2( t, this.v0.x, this.v1.x, this.v2.x ), - b2( t, this.v0.y, this.v1.y, this.v2.y ) - ); + switch( typeName.toLowerCase() ) { - }; + case "scalar": + case "double": + case "float": + case "number": + case "integer": + return NumberKeyframeTrack; - QuadraticBezierCurve.prototype.getTangent = function( t ) { + case "vector": + case "vector2": + case "vector3": + case "vector4": - var tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier; + return VectorKeyframeTrack; - return new Vector2( - tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ), - tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y ) - ).normalize(); + case "color": - }; + return ColorKeyframeTrack; - var PathPrototype = Object.assign( Object.create( CurvePath.prototype ), { + case "quaternion": - fromPoints: function ( vectors ) { + return QuaternionKeyframeTrack; - this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y ); + case "bool": + case "boolean": - for ( var i = 1, l = vectors.length; i < l; i ++ ) { + return BooleanKeyframeTrack; - this.lineTo( vectors[ i ].x, vectors[ i ].y ); + case "string": - } + return StringKeyframeTrack; - }, + } - moveTo: function ( x, y ) { + throw new Error( "Unsupported typeName: " + typeName ); - this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + } - }, + } ); - lineTo: function ( x, y ) { + /** + * + * Reusable set of Tracks that represent an animation. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + */ - var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); - this.curves.push( curve ); + function AnimationClip( name, duration, tracks ) { - this.currentPoint.set( x, y ); + this.name = name; + this.tracks = tracks; + this.duration = ( duration !== undefined ) ? duration : -1; - }, + this.uuid = _Math.generateUUID(); - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { - var curve = new QuadraticBezierCurve( - this.currentPoint.clone(), - new Vector2( aCPx, aCPy ), - new Vector2( aX, aY ) - ); + this.resetDuration(); - this.curves.push( curve ); + } - this.currentPoint.set( aX, aY ); + this.optimize(); - }, + } - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + AnimationClip.prototype = { - var curve = new CubicBezierCurve( - this.currentPoint.clone(), - new Vector2( aCP1x, aCP1y ), - new Vector2( aCP2x, aCP2y ), - new Vector2( aX, aY ) - ); + constructor: AnimationClip, - this.curves.push( curve ); + resetDuration: function() { - this.currentPoint.set( aX, aY ); + var tracks = this.tracks, + duration = 0; - }, + for ( var i = 0, n = tracks.length; i !== n; ++ i ) { - splineThru: function ( pts /*Array of Vector*/ ) { + var track = this.tracks[ i ]; - var npts = [ this.currentPoint.clone() ].concat( pts ); + duration = Math.max( + duration, track.times[ track.times.length - 1 ] ); - var curve = new SplineCurve( npts ); - this.curves.push( curve ); + } - this.currentPoint.copy( pts[ pts.length - 1 ] ); + this.duration = duration; }, - arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; + trim: function() { - this.absarc( aX + x0, aY + y0, aRadius, - aStartAngle, aEndAngle, aClockwise ); + for ( var i = 0; i < this.tracks.length; i ++ ) { - }, + this.tracks[ i ].trim( 0, this.duration ); - absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + } - this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + return this; }, - ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + optimize: function() { - var x0 = this.currentPoint.x; - var y0 = this.currentPoint.y; + for ( var i = 0; i < this.tracks.length; i ++ ) { - this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + this.tracks[ i ].optimize(); - }, + } - absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + return this; - var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + } - if ( this.curves.length > 0 ) { + }; - // if a previous curve is present, attempt to join - var firstPoint = curve.getPoint( 0 ); + // Static methods: - if ( ! firstPoint.equals( this.currentPoint ) ) { + Object.assign( AnimationClip, { - this.lineTo( firstPoint.x, firstPoint.y ); + parse: function( json ) { - } + var tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); - } + for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) { - this.curves.push( curve ); + tracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) ); - var lastPoint = curve.getPoint( 1 ); - this.currentPoint.copy( lastPoint ); + } - } + return new AnimationClip( json.name, json.duration, tracks ); - } ); + }, - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Defines a 2d shape plane using paths. - **/ - // STEP 1 Create a path. - // STEP 2 Turn path into shape. - // STEP 3 ExtrudeGeometry takes in Shape/Shapes - // STEP 3a - Extract points from each shape, turn to vertices - // STEP 3b - Triangulate each shape, add faces. + toJSON: function( clip ) { - function Shape() { + var tracks = [], + clipTracks = clip.tracks; - Path.apply( this, arguments ); + var json = { - this.holes = []; + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks - } + }; - Shape.prototype = Object.assign( Object.create( PathPrototype ), { + for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) { - constructor: Shape, + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); - getPointsHoles: function ( divisions ) { + } - var holesPts = []; + return json; - for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + }, - holesPts[ i ] = this.holes[ i ].getPoints( divisions ); - } + CreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) { - return holesPts; + var numMorphTargets = morphTargetSequence.length; + var tracks = []; - }, + for ( var i = 0; i < numMorphTargets; i ++ ) { - // Get points of shape and holes (keypoints based on segments parameter) + var times = []; + var values = []; - extractAllPoints: function ( divisions ) { + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); - return { + values.push( 0, 1, 0 ); - shape: this.getPoints( divisions ), - holes: this.getPointsHoles( divisions ) + var order = AnimationUtils.getKeyframeOrder( times ); + times = AnimationUtils.sortedArray( times, 1, order ); + values = AnimationUtils.sortedArray( values, 1, order ); - }; + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { - }, + times.push( numMorphTargets ); + values.push( values[ 0 ] ); - extractPoints: function ( divisions ) { + } - return this.extractAllPoints( divisions ); + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + } - } + return new AnimationClip( name, -1, tracks ); - } ); + }, - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * Creates free form 2d path using series of points, lines or curves. - * - **/ + findByName: function( objectOrClipArray, name ) { - function Path( points ) { + var clipArray = objectOrClipArray; - CurvePath.call( this ); - this.currentPoint = new Vector2(); + if ( ! Array.isArray( objectOrClipArray ) ) { - if ( points ) { + var o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; - this.fromPoints( points ); + } - } + for ( var i = 0; i < clipArray.length; i ++ ) { - } + if ( clipArray[ i ].name === name ) { - Path.prototype = PathPrototype; - PathPrototype.constructor = Path; + return clipArray[ i ]; + } + } - // minimal class for proxing functions to Path. Replaces old "extractSubpaths()" - function ShapePath() { - this.subPaths = []; - this.currentPath = null; - } + return null; - ShapePath.prototype = { - moveTo: function ( x, y ) { - this.currentPath = new Path(); - this.subPaths.push(this.currentPath); - this.currentPath.moveTo( x, y ); - }, - lineTo: function ( x, y ) { - this.currentPath.lineTo( x, y ); - }, - quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); - }, - bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); - }, - splineThru: function ( pts ) { - this.currentPath.splineThru( pts ); }, - toShapes: function ( isCCW, noHoles ) { + CreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) { - function toShapesNoHoles( inSubpaths ) { + var animationToMorphTargets = {}; - var shapes = []; + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + var pattern = /^([\w-]*?)([\d]+)$/; - for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( var i = 0, il = morphTargets.length; i < il; i ++ ) { - var tmpPath = inSubpaths[ i ]; + var morphTarget = morphTargets[ i ]; + var parts = morphTarget.name.match( pattern ); - var tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; + if ( parts && parts.length > 1 ) { - shapes.push( tmpShape ); + var name = parts[ 1 ]; - } + var animationMorphTargets = animationToMorphTargets[ name ]; + if ( ! animationMorphTargets ) { - return shapes; + animationToMorphTargets[ name ] = animationMorphTargets = []; + + } + + animationMorphTargets.push( morphTarget ); + + } } - function isPointInsidePolygon( inPt, inPolygon ) { + var clips = []; - var polyLen = inPolygon.length; + for ( var name in animationToMorphTargets ) { - // inPt on polygon contour => immediate success or - // toggling of inside/outside at every single! intersection point of an edge - // with the horizontal line through inPt, left of inPt - // not counting lowerY endpoints of edges and whole edges on that line - var inside = false; - for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); - var edgeLowPt = inPolygon[ p ]; - var edgeHighPt = inPolygon[ q ]; + } - var edgeDx = edgeHighPt.x - edgeLowPt.x; - var edgeDy = edgeHighPt.y - edgeLowPt.y; + return clips; - if ( Math.abs( edgeDy ) > Number.EPSILON ) { + }, - // not parallel - if ( edgeDy < 0 ) { + // parse the animation.hierarchy format + parseAnimation: function( animation, bones ) { - edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; - edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + if ( ! animation ) { - } - if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + console.error( " no animation in JSONLoader data" ); + return null; - if ( inPt.y === edgeLowPt.y ) { + } - if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? - // continue; // no intersection or edgeLowPt => doesn't count !!! + var addNonemptyTrack = function( + trackType, trackName, animationKeys, propertyName, destTracks ) { - } else { + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { - var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); - if ( perpEdge === 0 ) return true; // inPt is on contour ? - if ( perpEdge < 0 ) continue; - inside = ! inside; // true intersection left of inPt + var times = []; + var values = []; - } + AnimationUtils.flattenJSON( + animationKeys, times, values, propertyName ); - } else { + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { - // parallel or collinear - if ( inPt.y !== edgeLowPt.y ) continue; // parallel - // edge lies on the same horizontal line as inPt - if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || - ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! - // continue; + destTracks.push( new trackType( trackName, times, values ) ); } } - return inside; - - } - - var isClockWise = ShapeUtils.isClockWise; + }; - var subPaths = this.subPaths; - if ( subPaths.length === 0 ) return []; + var tracks = []; - if ( noHoles === true ) return toShapesNoHoles( subPaths ); + var clipName = animation.name || 'default'; + // automatic length determination in AnimationClip. + var duration = animation.length || -1; + var fps = animation.fps || 30; + var hierarchyTracks = animation.hierarchy || []; - var solid, tmpPath, tmpShape, shapes = []; + for ( var h = 0; h < hierarchyTracks.length; h ++ ) { - if ( subPaths.length === 1 ) { + var animationKeys = hierarchyTracks[ h ].keys; - tmpPath = subPaths[ 0 ]; - tmpShape = new Shape(); - tmpShape.curves = tmpPath.curves; - shapes.push( tmpShape ); - return shapes; + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; - } + // process morph targets in a way exactly compatible + // with AnimationHandler.init( animation ) + if ( animationKeys[0].morphTargets ) { - var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); - holesFirst = isCCW ? ! holesFirst : holesFirst; + // figure out all morph targets used in this track + var morphTargetNames = {}; + for ( var k = 0; k < animationKeys.length; k ++ ) { - // console.log("Holes first", holesFirst); + if ( animationKeys[k].morphTargets ) { - var betterShapeHoles = []; - var newShapes = []; - var newShapeHoles = []; - var mainIdx = 0; - var tmpPoints; + for ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) { - newShapes[ mainIdx ] = undefined; - newShapeHoles[ mainIdx ] = []; + morphTargetNames[ animationKeys[k].morphTargets[m] ] = -1; + } - for ( var i = 0, l = subPaths.length; i < l; i ++ ) { + } - tmpPath = subPaths[ i ]; - tmpPoints = tmpPath.getPoints(); - solid = isClockWise( tmpPoints ); - solid = isCCW ? ! solid : solid; + } - if ( solid ) { + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( var morphTargetName in morphTargetNames ) { - if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + var times = []; + var values = []; - newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; - newShapes[ mainIdx ].s.curves = tmpPath.curves; + for ( var m = 0; + m !== animationKeys[k].morphTargets.length; ++ m ) { - if ( holesFirst ) mainIdx ++; - newShapeHoles[ mainIdx ] = []; + var animationKey = animationKeys[k]; - //console.log('cw', i); + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); - } else { + } - newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + tracks.push( new NumberKeyframeTrack( + '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); - //console.log('ccw', i); + } - } + duration = morphTargetNames.length * ( fps || 1.0 ); - } + } else { + // ...assume skeletal animation - // only Holes? -> probably all Shapes with wrong orientation - if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + var boneName = '.bones[' + bones[ h ].name + ']'; + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); - if ( newShapes.length > 1 ) { + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); - var ambiguous = false; - var toChange = []; + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + } - betterShapeHoles[ sIdx ] = []; + } - } + if ( tracks.length === 0 ) { - for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + return null; - var sho = newShapeHoles[ sIdx ]; + } - for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { + var clip = new AnimationClip( clipName, duration, tracks ); - var ho = sho[ hIdx ]; - var hole_unassigned = true; + return clip; - for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + } - if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + } ); - if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); - if ( hole_unassigned ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - hole_unassigned = false; - betterShapeHoles[ s2Idx ].push( ho ); + function MaterialLoader( manager ) { - } else { + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.textures = {}; - ambiguous = true; + } - } + Object.assign( MaterialLoader.prototype, { - } + load: function ( url, onLoad, onProgress, onError ) { - } - if ( hole_unassigned ) { + var scope = this; - betterShapeHoles[ sIdx ].push( ho ); + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - } + onLoad( scope.parse( JSON.parse( text ) ) ); - } + }, onProgress, onError ); - } - // console.log("ambiguous: ", ambiguous); - if ( toChange.length > 0 ) { + }, - // console.log("to change: ", toChange); - if ( ! ambiguous ) newShapeHoles = betterShapeHoles; + setTextures: function ( value ) { - } + this.textures = value; - } + }, - var tmpHoles; + parse: function ( json ) { - for ( var i = 0, il = newShapes.length; i < il; i ++ ) { + var textures = this.textures; - tmpShape = newShapes[ i ].s; - shapes.push( tmpShape ); - tmpHoles = newShapeHoles[ i ]; + function getTexture( name ) { - for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + if ( textures[ name ] === undefined ) { - tmpShape.holes.push( tmpHoles[ j ].h ); + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); } - } + return textures[ name ]; - //console.log("shape", shapes); + } - return shapes; + var material = new Materials[ json.type ](); - } - }; + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.uniforms !== undefined ) material.uniforms = json.uniforms; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.shading !== undefined ) material.shading = json.shading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.side !== undefined ) material.side = json.side; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + if ( json.skinning !== undefined ) material.skinning = json.skinning; + if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets; - /** - * @author zz85 / http://www.lab4games.net/zz85/blog - * @author mrdoob / http://mrdoob.com/ - */ + // for PointsMaterial - function Font( data ) { + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; - this.data = data; + // maps - } + if ( json.map !== undefined ) material.map = getTexture( json.map ); - Object.assign( Font.prototype, { + if ( json.alphaMap !== undefined ) { - isFont: true, + material.alphaMap = getTexture( json.alphaMap ); + material.transparent = true; - generateShapes: function ( text, size, divisions ) { + } - function createPaths( text ) { + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; - var chars = String( text ).split( '' ); - var scale = size / data.resolution; - var offset = 0; + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalScale !== undefined ) { - var paths = []; + var normalScale = json.normalScale; - for ( var i = 0; i < chars.length; i ++ ) { + if ( Array.isArray( normalScale ) === false ) { - var ret = createPath( chars[ i ], scale, offset ); - offset += ret.offset; + // Blender exporter used to export a scalar. See #7459 - paths.push( ret.path ); + normalScale = [ normalScale, normalScale ]; } - return paths; + material.normalScale = new Vector2().fromArray( normalScale ); } - function createPath( c, scale, offset ) { + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; - var glyph = data.glyphs[ c ] || data.glyphs[ '?' ]; + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); - if ( ! glyph ) return; + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; - var path = new ShapePath(); + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); - var pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3; - var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste; + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); - if ( glyph.o ) { + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; - var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; - for ( var i = 0, l = outline.length; i < l; ) { + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; - var action = outline[ i ++ ]; + // MultiMaterial - switch ( action ) { + if ( json.materials !== undefined ) { - case 'm': // moveTo + for ( var i = 0, l = json.materials.length; i < l; i ++ ) { - x = outline[ i ++ ] * scale + offset; - y = outline[ i ++ ] * scale; + material.materials.push( this.parse( json.materials[ i ] ) ); - path.moveTo( x, y ); + } - break; + } - case 'l': // lineTo + return material; - x = outline[ i ++ ] * scale + offset; - y = outline[ i ++ ] * scale; + } - path.lineTo( x, y ); + } ); - break; + /** + * @author mrdoob / http://mrdoob.com/ + */ - case 'q': // quadraticCurveTo + function BufferGeometryLoader( manager ) { - cpx = outline[ i ++ ] * scale + offset; - cpy = outline[ i ++ ] * scale; - cpx1 = outline[ i ++ ] * scale + offset; - cpy1 = outline[ i ++ ] * scale; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); + } - laste = pts[ pts.length - 1 ]; + Object.assign( BufferGeometryLoader.prototype, { - if ( laste ) { + load: function ( url, onLoad, onProgress, onError ) { - cpx0 = laste.x; - cpy0 = laste.y; + var scope = this; - for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - var t = i2 / divisions; - b2( t, cpx0, cpx1, cpx ); - b2( t, cpy0, cpy1, cpy ); + onLoad( scope.parse( JSON.parse( text ) ) ); - } + }, onProgress, onError ); - } + }, - break; + parse: function ( json ) { - case 'b': // bezierCurveTo + var geometry = new BufferGeometry(); - cpx = outline[ i ++ ] * scale + offset; - cpy = outline[ i ++ ] * scale; - cpx1 = outline[ i ++ ] * scale + offset; - cpy1 = outline[ i ++ ] * scale; - cpx2 = outline[ i ++ ] * scale + offset; - cpy2 = outline[ i ++ ] * scale; + var index = json.data.index; - path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); + var TYPED_ARRAYS = { + 'Int8Array': Int8Array, + 'Uint8Array': Uint8Array, + 'Uint8ClampedArray': Uint8ClampedArray, + 'Int16Array': Int16Array, + 'Uint16Array': Uint16Array, + 'Int32Array': Int32Array, + 'Uint32Array': Uint32Array, + 'Float32Array': Float32Array, + 'Float64Array': Float64Array + }; - laste = pts[ pts.length - 1 ]; + if ( index !== undefined ) { - if ( laste ) { + var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); - cpx0 = laste.x; - cpy0 = laste.y; + } - for ( var i2 = 1; i2 <= divisions; i2 ++ ) { + var attributes = json.data.attributes; - var t = i2 / divisions; - b3( t, cpx0, cpx1, cpx2, cpx ); - b3( t, cpy0, cpy1, cpy2, cpy ); + for ( var key in attributes ) { - } + var attribute = attributes[ key ]; + var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); - } + geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); - break; + } - } + var groups = json.data.groups || json.data.drawcalls || json.data.offsets; - } + if ( groups !== undefined ) { - } + for ( var i = 0, n = groups.length; i !== n; ++ i ) { - return { offset: glyph.ha * scale, path: path }; + var group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); + + } } - // + var boundingSphere = json.data.boundingSphere; - if ( size === undefined ) size = 100; - if ( divisions === undefined ) divisions = 4; + if ( boundingSphere !== undefined ) { - var data = this.data; + var center = new Vector3(); - var paths = createPaths( text ); - var shapes = []; + if ( boundingSphere.center !== undefined ) { - for ( var p = 0, pl = paths.length; p < pl; p ++ ) { + center.fromArray( boundingSphere.center ); - Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); + } + + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); } - return shapes; + return geometry; } } ); /** - * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ */ - function FontLoader( manager ) { + function Loader() { - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.onLoadStart = function () {}; + this.onLoadProgress = function () {}; + this.onLoadComplete = function () {}; } - Object.assign( FontLoader.prototype, { + Loader.prototype = { - load: function ( url, onLoad, onProgress, onError ) { + constructor: Loader, - var scope = this; + crossOrigin: undefined, - var loader = new XHRLoader( this.manager ); - loader.load( url, function ( text ) { + extractUrlBase: function ( url ) { - var json; + var parts = url.split( '/' ); - try { + if ( parts.length === 1 ) return './'; - json = JSON.parse( text ); + parts.pop(); - } catch ( e ) { + return parts.join( '/' ) + '/'; - console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); - json = JSON.parse( text.substring( 65, text.length - 2 ) ); + }, - } + initMaterials: function ( materials, texturePath, crossOrigin ) { - var font = scope.parse( json ); + var array = []; - if ( onLoad ) onLoad( font ); + for ( var i = 0; i < materials.length; ++ i ) { - }, onProgress, onError ); + array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin ); - }, + } - parse: function ( json ) { + return array; - return new Font( json ); + }, - } + createMaterial: ( function () { - } ); + var color, textureLoader, materialLoader; - var context; + return function createMaterial( m, texturePath, crossOrigin ) { - function getAudioContext() { + if ( color === undefined ) color = new Color(); + if ( textureLoader === undefined ) textureLoader = new TextureLoader(); + if ( materialLoader === undefined ) materialLoader = new MaterialLoader(); - if ( context === undefined ) { + // convert from old material format - context = new ( window.AudioContext || window.webkitAudioContext )(); + var textures = {}; - } + function loadTexture( path, repeat, offset, wrap, anisotropy ) { - return context; + var fullPath = texturePath + path; + var loader = Loader.Handlers.get( fullPath ); - } + var texture; - /** - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ + if ( loader !== null ) { - function AudioLoader( manager ) { + texture = loader.load( fullPath ); - this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + } else { - } + textureLoader.setCrossOrigin( crossOrigin ); + texture = textureLoader.load( fullPath ); - Object.assign( AudioLoader.prototype, { + } - load: function ( url, onLoad, onProgress, onError ) { + if ( repeat !== undefined ) { - var loader = new XHRLoader( this.manager ); - loader.setResponseType( 'arraybuffer' ); - loader.load( url, function ( buffer ) { + texture.repeat.fromArray( repeat ); - var context = getAudioContext(); + if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping; + if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping; - context.decodeAudioData( buffer, function ( audioBuffer ) { + } - onLoad( audioBuffer ); + if ( offset !== undefined ) { - } ); + texture.offset.fromArray( offset ); - }, onProgress, onError ); + } - } + if ( wrap !== undefined ) { - } ); + if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping; + if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping; - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping; + if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping; - function StereoCamera() { + } - this.type = 'StereoCamera'; + if ( anisotropy !== undefined ) { - this.aspect = 1; + texture.anisotropy = anisotropy; - this.eyeSep = 0.064; + } - this.cameraL = new PerspectiveCamera(); - this.cameraL.layers.enable( 1 ); - this.cameraL.matrixAutoUpdate = false; + var uuid = _Math.generateUUID(); - this.cameraR = new PerspectiveCamera(); - this.cameraR.layers.enable( 2 ); - this.cameraR.matrixAutoUpdate = false; + textures[ uuid ] = texture; - } + return uuid; - Object.assign( StereoCamera.prototype, { + } - update: ( function () { + // - var instance, focus, fov, aspect, near, far, zoom; + var json = { + uuid: _Math.generateUUID(), + type: 'MeshLambertMaterial' + }; - var eyeRight = new Matrix4(); - var eyeLeft = new Matrix4(); + for ( var name in m ) { - return function update( camera ) { + var value = m[ name ]; - var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov || - aspect !== camera.aspect * this.aspect || near !== camera.near || - far !== camera.far || zoom !== camera.zoom; + switch ( name ) { + case 'DbgColor': + case 'DbgIndex': + case 'opticalDensity': + case 'illumination': + break; + case 'DbgName': + json.name = value; + break; + case 'blending': + json.blending = BlendingMode[ value ]; + break; + case 'colorAmbient': + case 'mapAmbient': + console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' ); + break; + case 'colorDiffuse': + json.color = color.fromArray( value ).getHex(); + break; + case 'colorSpecular': + json.specular = color.fromArray( value ).getHex(); + break; + case 'colorEmissive': + json.emissive = color.fromArray( value ).getHex(); + break; + case 'specularCoef': + json.shininess = value; + break; + case 'shading': + if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial'; + if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial'; + if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial'; + break; + case 'mapDiffuse': + json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy ); + break; + case 'mapDiffuseRepeat': + case 'mapDiffuseOffset': + case 'mapDiffuseWrap': + case 'mapDiffuseAnisotropy': + break; + case 'mapEmissive': + json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy ); + break; + case 'mapEmissiveRepeat': + case 'mapEmissiveOffset': + case 'mapEmissiveWrap': + case 'mapEmissiveAnisotropy': + break; + case 'mapLight': + json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy ); + break; + case 'mapLightRepeat': + case 'mapLightOffset': + case 'mapLightWrap': + case 'mapLightAnisotropy': + break; + case 'mapAO': + json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy ); + break; + case 'mapAORepeat': + case 'mapAOOffset': + case 'mapAOWrap': + case 'mapAOAnisotropy': + break; + case 'mapBump': + json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy ); + break; + case 'mapBumpScale': + json.bumpScale = value; + break; + case 'mapBumpRepeat': + case 'mapBumpOffset': + case 'mapBumpWrap': + case 'mapBumpAnisotropy': + break; + case 'mapNormal': + json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy ); + break; + case 'mapNormalFactor': + json.normalScale = [ value, value ]; + break; + case 'mapNormalRepeat': + case 'mapNormalOffset': + case 'mapNormalWrap': + case 'mapNormalAnisotropy': + break; + case 'mapSpecular': + json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy ); + break; + case 'mapSpecularRepeat': + case 'mapSpecularOffset': + case 'mapSpecularWrap': + case 'mapSpecularAnisotropy': + break; + case 'mapMetalness': + json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy ); + break; + case 'mapMetalnessRepeat': + case 'mapMetalnessOffset': + case 'mapMetalnessWrap': + case 'mapMetalnessAnisotropy': + break; + case 'mapRoughness': + json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy ); + break; + case 'mapRoughnessRepeat': + case 'mapRoughnessOffset': + case 'mapRoughnessWrap': + case 'mapRoughnessAnisotropy': + break; + case 'mapAlpha': + json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy ); + break; + case 'mapAlphaRepeat': + case 'mapAlphaOffset': + case 'mapAlphaWrap': + case 'mapAlphaAnisotropy': + break; + case 'flipSided': + json.side = BackSide; + break; + case 'doubleSided': + json.side = DoubleSide; + break; + case 'transparency': + console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' ); + json.opacity = value; + break; + case 'depthTest': + case 'depthWrite': + case 'colorWrite': + case 'opacity': + case 'reflectivity': + case 'transparent': + case 'visible': + case 'wireframe': + json[ name ] = value; + break; + case 'vertexColors': + if ( value === true ) json.vertexColors = VertexColors; + if ( value === 'face' ) json.vertexColors = FaceColors; + break; + default: + console.error( 'THREE.Loader.createMaterial: Unsupported', name, value ); + break; + } - if ( needsUpdate ) { + } - instance = this; - focus = camera.focus; - fov = camera.fov; - aspect = camera.aspect * this.aspect; - near = camera.near; - far = camera.far; - zoom = camera.zoom; + if ( json.type === 'MeshBasicMaterial' ) delete json.emissive; + if ( json.type !== 'MeshPhongMaterial' ) delete json.specular; - // Off-axis stereoscopic effect based on - // http://paulbourke.net/stereographics/stereorender/ + if ( json.opacity < 1 ) json.transparent = true; - var projectionMatrix = camera.projectionMatrix.clone(); - var eyeSep = this.eyeSep / 2; - var eyeSepOnProjection = eyeSep * near / focus; - var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom; - var xmin, xmax; + materialLoader.setTextures( textures ); - // translate xOffset + return materialLoader.parse( json ); - eyeLeft.elements[ 12 ] = - eyeSep; - eyeRight.elements[ 12 ] = eyeSep; + }; - // for left eye + } )() - xmin = - ymax * aspect + eyeSepOnProjection; - xmax = ymax * aspect + eyeSepOnProjection; + }; - projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + Loader.Handlers = { - this.cameraL.projectionMatrix.copy( projectionMatrix ); + handlers: [], - // for right eye + add: function ( regex, loader ) { - xmin = - ymax * aspect - eyeSepOnProjection; - xmax = ymax * aspect - eyeSepOnProjection; + this.handlers.push( regex, loader ); - projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); - projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + }, - this.cameraR.projectionMatrix.copy( projectionMatrix ); + get: function ( file ) { + + var handlers = this.handlers; + + for ( var i = 0, l = handlers.length; i < l; i += 2 ) { + + var regex = handlers[ i ]; + var loader = handlers[ i + 1 ]; + + if ( regex.test( file ) ) { + + return loader; } - this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft ); - this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight ); + } - }; + return null; - } )() + } - } ); + }; /** - * Camera for rendering cube maps - * - renders scene into axis-aligned cube - * + * @author mrdoob / http://mrdoob.com/ * @author alteredq / http://alteredqualia.com/ */ - function CubeCamera( near, far, cubeResolution ) { - - Object3D.call( this ); + function JSONLoader( manager ) { - this.type = 'CubeCamera'; + if ( typeof manager === 'boolean' ) { - var fov = 90, aspect = 1; + console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' ); + manager = undefined; - var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); - cameraPX.up.set( 0, - 1, 0 ); - cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); - this.add( cameraPX ); + } - var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); - cameraNX.up.set( 0, - 1, 0 ); - cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); - this.add( cameraNX ); + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); - cameraPY.up.set( 0, 0, 1 ); - cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); - this.add( cameraPY ); + this.withCredentials = false; - var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); - cameraNY.up.set( 0, 0, - 1 ); - cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); - this.add( cameraNY ); + } - var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraPZ.up.set( 0, - 1, 0 ); - cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); - this.add( cameraPZ ); + Object.assign( JSONLoader.prototype, { - var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); - cameraNZ.up.set( 0, - 1, 0 ); - cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); - this.add( cameraNZ ); + load: function( url, onLoad, onProgress, onError ) { - var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; + var scope = this; - this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); + var texturePath = this.texturePath && ( typeof this.texturePath === "string" ) ? this.texturePath : Loader.prototype.extractUrlBase( url ); - this.updateCubeMap = function ( renderer, scene ) { + var loader = new XHRLoader( this.manager ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { - if ( this.parent === null ) this.updateMatrixWorld(); + var json = JSON.parse( text ); + var metadata = json.metadata; - var renderTarget = this.renderTarget; - var generateMipmaps = renderTarget.texture.generateMipmaps; + if ( metadata !== undefined ) { - renderTarget.texture.generateMipmaps = false; + var type = metadata.type; - renderTarget.activeCubeFace = 0; - renderer.render( scene, cameraPX, renderTarget ); + if ( type !== undefined ) { - renderTarget.activeCubeFace = 1; - renderer.render( scene, cameraNX, renderTarget ); + if ( type.toLowerCase() === 'object' ) { - renderTarget.activeCubeFace = 2; - renderer.render( scene, cameraPY, renderTarget ); + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' ); + return; - renderTarget.activeCubeFace = 3; - renderer.render( scene, cameraNY, renderTarget ); + } - renderTarget.activeCubeFace = 4; - renderer.render( scene, cameraPZ, renderTarget ); + if ( type.toLowerCase() === 'scene' ) { - renderTarget.texture.generateMipmaps = generateMipmaps; + console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' ); + return; - renderTarget.activeCubeFace = 5; - renderer.render( scene, cameraNZ, renderTarget ); + } - renderer.setRenderTarget( null ); + } - }; + } - } + var object = scope.parse( json, texturePath ); + onLoad( object.geometry, object.materials ); - CubeCamera.prototype = Object.create( Object3D.prototype ); - CubeCamera.prototype.constructor = CubeCamera; + }, onProgress, onError ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function AudioListener() { + setTexturePath: function ( value ) { - Object3D.call( this ); + this.texturePath = value; - this.type = 'AudioListener'; + }, - this.context = getAudioContext(); + parse: function ( json, texturePath ) { - this.gain = this.context.createGain(); - this.gain.connect( this.context.destination ); + var geometry = new Geometry(), + scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0; - this.filter = null; + parseModel( scale ); - } + parseSkin(); + parseMorphing( scale ); + parseAnimations(); - AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { + geometry.computeFaceNormals(); + geometry.computeBoundingSphere(); - constructor: AudioListener, + function parseModel( scale ) { - getInput: function () { + function isBitSet( value, position ) { - return this.gain; + return value & ( 1 << position ); - }, + } - removeFilter: function ( ) { + var i, j, fi, - if ( this.filter !== null ) { + offset, zLength, - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); - this.gain.connect( this.context.destination ); - this.filter = null; + colorIndex, normalIndex, uvIndex, materialIndex, - } + type, + isQuad, + hasMaterial, + hasFaceVertexUv, + hasFaceNormal, hasFaceVertexNormal, + hasFaceColor, hasFaceVertexColor, - }, + vertex, face, faceA, faceB, hex, normal, - getFilter: function () { + uvLayer, uv, u, v, - return this.filter; + faces = json.faces, + vertices = json.vertices, + normals = json.normals, + colors = json.colors, - }, + nUvLayers = 0; - setFilter: function ( value ) { + if ( json.uvs !== undefined ) { - if ( this.filter !== null ) { + // disregard empty arrays - this.gain.disconnect( this.filter ); - this.filter.disconnect( this.context.destination ); + for ( i = 0; i < json.uvs.length; i ++ ) { - } else { + if ( json.uvs[ i ].length ) nUvLayers ++; - this.gain.disconnect( this.context.destination ); + } - } + for ( i = 0; i < nUvLayers; i ++ ) { - this.filter = value; - this.gain.connect( this.filter ); - this.filter.connect( this.context.destination ); + geometry.faceVertexUvs[ i ] = []; - }, + } - getMasterVolume: function () { + } - return this.gain.gain.value; + offset = 0; + zLength = vertices.length; - }, + while ( offset < zLength ) { - setMasterVolume: function ( value ) { + vertex = new Vector3(); - this.gain.gain.value = value; + vertex.x = vertices[ offset ++ ] * scale; + vertex.y = vertices[ offset ++ ] * scale; + vertex.z = vertices[ offset ++ ] * scale; - }, + geometry.vertices.push( vertex ); - updateMatrixWorld: ( function () { + } - var position = new Vector3(); - var quaternion = new Quaternion(); - var scale = new Vector3(); + offset = 0; + zLength = faces.length; - var orientation = new Vector3(); + while ( offset < zLength ) { - return function updateMatrixWorld( force ) { + type = faces[ offset ++ ]; - Object3D.prototype.updateMatrixWorld.call( this, force ); - var listener = this.context.listener; - var up = this.up; + isQuad = isBitSet( type, 0 ); + hasMaterial = isBitSet( type, 1 ); + hasFaceVertexUv = isBitSet( type, 3 ); + hasFaceNormal = isBitSet( type, 4 ); + hasFaceVertexNormal = isBitSet( type, 5 ); + hasFaceColor = isBitSet( type, 6 ); + hasFaceVertexColor = isBitSet( type, 7 ); - this.matrixWorld.decompose( position, quaternion, scale ); + // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor); - orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion ); + if ( isQuad ) { - listener.setPosition( position.x, position.y, position.z ); - listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z ); + faceA = new Face3(); + faceA.a = faces[ offset ]; + faceA.b = faces[ offset + 1 ]; + faceA.c = faces[ offset + 3 ]; - }; + faceB = new Face3(); + faceB.a = faces[ offset + 1 ]; + faceB.b = faces[ offset + 2 ]; + faceB.c = faces[ offset + 3 ]; - } )() + offset += 4; - } ); + if ( hasMaterial ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author Reece Aaron Lecrivain / http://reecenotes.com/ - */ + materialIndex = faces[ offset ++ ]; + faceA.materialIndex = materialIndex; + faceB.materialIndex = materialIndex; - function Audio( listener ) { + } - Object3D.call( this ); + // to get face <=> uv index correspondence - this.type = 'Audio'; + fi = geometry.faces.length; - this.context = listener.context; - this.source = this.context.createBufferSource(); - this.source.onended = this.onEnded.bind( this ); + if ( hasFaceVertexUv ) { - this.gain = this.context.createGain(); - this.gain.connect( listener.getInput() ); + for ( i = 0; i < nUvLayers; i ++ ) { - this.autoplay = false; + uvLayer = json.uvs[ i ]; - this.startTime = 0; - this.playbackRate = 1; - this.isPlaying = false; - this.hasPlaybackControl = true; - this.sourceType = 'empty'; + geometry.faceVertexUvs[ i ][ fi ] = []; + geometry.faceVertexUvs[ i ][ fi + 1 ] = []; - this.filters = []; + for ( j = 0; j < 4; j ++ ) { - } + uvIndex = faces[ offset ++ ]; - Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; - constructor: Audio, + uv = new Vector2( u, v ); - getOutput: function () { + if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv ); + if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv ); - return this.gain; + } - }, + } - setNodeSource: function ( audioNode ) { + } - this.hasPlaybackControl = false; - this.sourceType = 'audioNode'; - this.source = audioNode; - this.connect(); + if ( hasFaceNormal ) { - return this; + normalIndex = faces[ offset ++ ] * 3; - }, + faceA.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - setBuffer: function ( audioBuffer ) { + faceB.normal.copy( faceA.normal ); - this.source.buffer = audioBuffer; - this.sourceType = 'buffer'; + } - if ( this.autoplay ) this.play(); + if ( hasFaceVertexNormal ) { - return this; + for ( i = 0; i < 4; i ++ ) { - }, + normalIndex = faces[ offset ++ ] * 3; - play: function () { + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - if ( this.isPlaying === true ) { - console.warn( 'THREE.Audio: Audio is already playing.' ); - return; + if ( i !== 2 ) faceA.vertexNormals.push( normal ); + if ( i !== 0 ) faceB.vertexNormals.push( normal ); - } + } - if ( this.hasPlaybackControl === false ) { + } - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; - } + if ( hasFaceColor ) { - var source = this.context.createBufferSource(); + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; - source.buffer = this.source.buffer; - source.loop = this.source.loop; - source.onended = this.source.onended; - source.start( 0, this.startTime ); - source.playbackRate.value = this.playbackRate; + faceA.color.setHex( hex ); + faceB.color.setHex( hex ); - this.isPlaying = true; + } - this.source = source; - return this.connect(); + if ( hasFaceVertexColor ) { - }, + for ( i = 0; i < 4; i ++ ) { - pause: function () { + colorIndex = faces[ offset ++ ]; + hex = colors[ colorIndex ]; - if ( this.hasPlaybackControl === false ) { + if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) ); + if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) ); - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + } - } + } - this.source.stop(); - this.startTime = this.context.currentTime; - this.isPlaying = false; + geometry.faces.push( faceA ); + geometry.faces.push( faceB ); - return this; + } else { - }, + face = new Face3(); + face.a = faces[ offset ++ ]; + face.b = faces[ offset ++ ]; + face.c = faces[ offset ++ ]; - stop: function () { + if ( hasMaterial ) { - if ( this.hasPlaybackControl === false ) { + materialIndex = faces[ offset ++ ]; + face.materialIndex = materialIndex; - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + } - } + // to get face <=> uv index correspondence - this.source.stop(); - this.startTime = 0; - this.isPlaying = false; + fi = geometry.faces.length; - return this; + if ( hasFaceVertexUv ) { - }, + for ( i = 0; i < nUvLayers; i ++ ) { - connect: function () { + uvLayer = json.uvs[ i ]; - if ( this.filters.length > 0 ) { + geometry.faceVertexUvs[ i ][ fi ] = []; - this.source.connect( this.filters[ 0 ] ); + for ( j = 0; j < 3; j ++ ) { - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + uvIndex = faces[ offset ++ ]; - this.filters[ i - 1 ].connect( this.filters[ i ] ); + u = uvLayer[ uvIndex * 2 ]; + v = uvLayer[ uvIndex * 2 + 1 ]; - } + uv = new Vector2( u, v ); - this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + geometry.faceVertexUvs[ i ][ fi ].push( uv ); - } else { + } - this.source.connect( this.getOutput() ); + } - } + } - return this; + if ( hasFaceNormal ) { - }, + normalIndex = faces[ offset ++ ] * 3; - disconnect: function () { + face.normal.set( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - if ( this.filters.length > 0 ) { + } - this.source.disconnect( this.filters[ 0 ] ); + if ( hasFaceVertexNormal ) { - for ( var i = 1, l = this.filters.length; i < l; i ++ ) { + for ( i = 0; i < 3; i ++ ) { - this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + normalIndex = faces[ offset ++ ] * 3; - } + normal = new Vector3( + normals[ normalIndex ++ ], + normals[ normalIndex ++ ], + normals[ normalIndex ] + ); - this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + face.vertexNormals.push( normal ); - } else { + } - this.source.disconnect( this.getOutput() ); + } - } - return this; + if ( hasFaceColor ) { - }, + colorIndex = faces[ offset ++ ]; + face.color.setHex( colors[ colorIndex ] ); - getFilters: function () { + } - return this.filters; - }, + if ( hasFaceVertexColor ) { - setFilters: function ( value ) { + for ( i = 0; i < 3; i ++ ) { - if ( ! value ) value = []; + colorIndex = faces[ offset ++ ]; + face.vertexColors.push( new Color( colors[ colorIndex ] ) ); - if ( this.isPlaying === true ) { + } - this.disconnect(); - this.filters = value; - this.connect(); + } - } else { + geometry.faces.push( face ); - this.filters = value; + } + + } } - return this; + function parseSkin() { - }, + var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2; - getFilter: function () { + if ( json.skinWeights ) { - return this.getFilters()[ 0 ]; + for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) { - }, + var x = json.skinWeights[ i ]; + var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0; + var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0; + var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0; - setFilter: function ( filter ) { + geometry.skinWeights.push( new Vector4( x, y, z, w ) ); - return this.setFilters( filter ? [ filter ] : [] ); + } - }, + } - setPlaybackRate: function ( value ) { + if ( json.skinIndices ) { - if ( this.hasPlaybackControl === false ) { + for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) { - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + var a = json.skinIndices[ i ]; + var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0; + var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0; + var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0; - } + geometry.skinIndices.push( new Vector4( a, b, c, d ) ); - this.playbackRate = value; + } - if ( this.isPlaying === true ) { + } - this.source.playbackRate.value = this.playbackRate; + geometry.bones = json.bones; + + if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) { + + console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' + + geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' ); + + } } - return this; + function parseMorphing( scale ) { - }, + if ( json.morphTargets !== undefined ) { - getPlaybackRate: function () { + for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) { - return this.playbackRate; + geometry.morphTargets[ i ] = {}; + geometry.morphTargets[ i ].name = json.morphTargets[ i ].name; + geometry.morphTargets[ i ].vertices = []; - }, + var dstVertices = geometry.morphTargets[ i ].vertices; + var srcVertices = json.morphTargets[ i ].vertices; - onEnded: function () { + for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) { - this.isPlaying = false; + var vertex = new Vector3(); + vertex.x = srcVertices[ v ] * scale; + vertex.y = srcVertices[ v + 1 ] * scale; + vertex.z = srcVertices[ v + 2 ] * scale; - }, + dstVertices.push( vertex ); - getLoop: function () { + } - if ( this.hasPlaybackControl === false ) { + } - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return false; + } - } + if ( json.morphColors !== undefined && json.morphColors.length > 0 ) { - return this.source.loop; + console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' ); - }, + var faces = geometry.faces; + var morphColors = json.morphColors[ 0 ].colors; - setLoop: function ( value ) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - if ( this.hasPlaybackControl === false ) { + faces[ i ].color.fromArray( morphColors, i * 3 ); - console.warn( 'THREE.Audio: this Audio has no playback control.' ); - return; + } + + } } - this.source.loop = value; + function parseAnimations() { - }, + var outputAnimations = []; - getVolume: function () { + // parse old style Bone/Hierarchy animations + var animations = []; - return this.gain.gain.value; + if ( json.animation !== undefined ) { - }, + animations.push( json.animation ); + } - setVolume: function ( value ) { + if ( json.animations !== undefined ) { - this.gain.gain.value = value; + if ( json.animations.length ) { - return this; + animations = animations.concat( json.animations ); - } + } else { - } ); + animations.push( json.animations ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + } - function PositionalAudio( listener ) { + } - Audio.call( this, listener ); + for ( var i = 0; i < animations.length; i ++ ) { - this.panner = this.context.createPanner(); - this.panner.connect( this.gain ); + var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones ); + if ( clip ) outputAnimations.push( clip ); - } + } - PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { + // parse implicit morph animations + if ( geometry.morphTargets ) { - constructor: PositionalAudio, + // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary. + var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 ); + outputAnimations = outputAnimations.concat( morphAnimationClips ); - getOutput: function () { + } - return this.panner; + if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations; - }, + } - getRefDistance: function () { + if ( json.materials === undefined || json.materials.length === 0 ) { - return this.panner.refDistance; + return { geometry: geometry }; - }, + } else { - setRefDistance: function ( value ) { + var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin ); - this.panner.refDistance = value; + return { geometry: geometry, materials: materials }; - }, + } - getRolloffFactor: function () { + } - return this.panner.rolloffFactor; + } ); - }, + /** + * @author mrdoob / http://mrdoob.com/ + */ - setRolloffFactor: function ( value ) { + function ObjectLoader ( manager ) { - this.panner.rolloffFactor = value; + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.texturePath = ''; - }, + } - getDistanceModel: function () { + Object.assign( ObjectLoader.prototype, { - return this.panner.distanceModel; + load: function ( url, onLoad, onProgress, onError ) { - }, + if ( this.texturePath === '' ) { - setDistanceModel: function ( value ) { + this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 ); - this.panner.distanceModel = value; + } - }, + var scope = this; - getMaxDistance: function () { + var loader = new XHRLoader( scope.manager ); + loader.load( url, function ( text ) { - return this.panner.maxDistance; + scope.parse( JSON.parse( text ), onLoad ); + + }, onProgress, onError ); }, - setMaxDistance: function ( value ) { + setTexturePath: function ( value ) { - this.panner.maxDistance = value; + this.texturePath = value; }, - updateMatrixWorld: ( function () { + setCrossOrigin: function ( value ) { - var position = new Vector3(); + this.crossOrigin = value; - return function updateMatrixWorld( force ) { + }, - Object3D.prototype.updateMatrixWorld.call( this, force ); + parse: function ( json, onLoad ) { - position.setFromMatrixPosition( this.matrixWorld ); + var geometries = this.parseGeometries( json.geometries ); - this.panner.setPosition( position.x, position.y, position.z ); + var images = this.parseImages( json.images, function () { - }; + if ( onLoad !== undefined ) onLoad( object ); - } )() + } ); + var textures = this.parseTextures( json.textures, images ); + var materials = this.parseMaterials( json.materials, textures ); - } ); + var object = this.parseObject( json.object, geometries, materials ); - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( json.animations ) { - function AudioAnalyser( audio, fftSize ) { + object.animations = this.parseAnimations( json.animations ); - this.analyser = audio.context.createAnalyser(); - this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; + } - this.data = new Uint8Array( this.analyser.frequencyBinCount ); + if ( json.images === undefined || json.images.length === 0 ) { - audio.getOutput().connect( this.analyser ); + if ( onLoad !== undefined ) onLoad( object ); - } + } - Object.assign( AudioAnalyser.prototype, { + return object; - getFrequencyData: function () { + }, - this.analyser.getByteFrequencyData( this.data ); + parseGeometries: function ( json ) { - return this.data; + var geometries = {}; - }, + if ( json !== undefined ) { - getAverageFrequency: function () { + var geometryLoader = new JSONLoader(); + var bufferGeometryLoader = new BufferGeometryLoader(); - var value = 0, data = this.getFrequencyData(); + for ( var i = 0, l = json.length; i < l; i ++ ) { - for ( var i = 0; i < data.length; i ++ ) { + var geometry; + var data = json[ i ]; - value += data[ i ]; + switch ( data.type ) { - } + case 'PlaneGeometry': + case 'PlaneBufferGeometry': - return value / data.length; + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.widthSegments, + data.heightSegments + ); - } + break; - } ); + case 'BoxGeometry': + case 'BoxBufferGeometry': + case 'CubeGeometry': // backwards compatible - /** - * - * Buffered scene graph property that allows weighted accumulation. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + geometry = new Geometries[ data.type ]( + data.width, + data.height, + data.depth, + data.widthSegments, + data.heightSegments, + data.depthSegments + ); - function PropertyMixer( binding, typeName, valueSize ) { + break; - this.binding = binding; - this.valueSize = valueSize; + case 'CircleGeometry': + case 'CircleBufferGeometry': - var bufferType = Float64Array, - mixFunction; + geometry = new Geometries[ data.type ]( + data.radius, + data.segments, + data.thetaStart, + data.thetaLength + ); - switch ( typeName ) { + break; - case 'quaternion': mixFunction = this._slerp; break; + case 'CylinderGeometry': + case 'CylinderBufferGeometry': - case 'string': - case 'bool': + geometry = new Geometries[ data.type ]( + data.radiusTop, + data.radiusBottom, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); - bufferType = Array, mixFunction = this._select; break; + break; - default: mixFunction = this._lerp; + case 'ConeGeometry': + case 'ConeBufferGeometry': - } + geometry = new Geometries[ data.type ]( + data.radius, + data.height, + data.radialSegments, + data.heightSegments, + data.openEnded, + data.thetaStart, + data.thetaLength + ); - this.buffer = new bufferType( valueSize * 4 ); - // layout: [ incoming | accu0 | accu1 | orig ] - // - // interpolators can use .buffer as their .result - // the data then goes to 'incoming' - // - // 'accu0' and 'accu1' are used frame-interleaved for - // the cumulative result and are compared to detect - // changes - // - // 'orig' stores the original state of the property + break; - this._mixBufferRegion = mixFunction; + case 'SphereGeometry': + case 'SphereBufferGeometry': - this.cumulativeWeight = 0; + geometry = new Geometries[ data.type ]( + data.radius, + data.widthSegments, + data.heightSegments, + data.phiStart, + data.phiLength, + data.thetaStart, + data.thetaLength + ); - this.useCount = 0; - this.referenceCount = 0; + break; - } + case 'DodecahedronGeometry': + case 'IcosahedronGeometry': + case 'OctahedronGeometry': + case 'TetrahedronGeometry': - PropertyMixer.prototype = { + geometry = new Geometries[ data.type ]( + data.radius, + data.detail + ); - constructor: PropertyMixer, + break; - // accumulate data in the 'incoming' region into 'accu' - accumulate: function( accuIndex, weight ) { + case 'RingGeometry': + case 'RingBufferGeometry': - // note: happily accumulating nothing when weight = 0, the caller knows - // the weight and shouldn't have made the call in the first place + geometry = new Geometries[ data.type ]( + data.innerRadius, + data.outerRadius, + data.thetaSegments, + data.phiSegments, + data.thetaStart, + data.thetaLength + ); - var buffer = this.buffer, - stride = this.valueSize, - offset = accuIndex * stride + stride, + break; - currentWeight = this.cumulativeWeight; + case 'TorusGeometry': + case 'TorusBufferGeometry': - if ( currentWeight === 0 ) { + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.radialSegments, + data.tubularSegments, + data.arc + ); - // accuN := incoming * weight + break; - for ( var i = 0; i !== stride; ++ i ) { + case 'TorusKnotGeometry': + case 'TorusKnotBufferGeometry': - buffer[ offset + i ] = buffer[ i ]; + geometry = new Geometries[ data.type ]( + data.radius, + data.tube, + data.tubularSegments, + data.radialSegments, + data.p, + data.q + ); - } + break; - currentWeight = weight; + case 'LatheGeometry': + case 'LatheBufferGeometry': - } else { + geometry = new Geometries[ data.type ]( + data.points, + data.segments, + data.phiStart, + data.phiLength + ); - // accuN := accuN + incoming * weight + break; - currentWeight += weight; - var mix = weight / currentWeight; - this._mixBufferRegion( buffer, offset, 0, mix, stride ); + case 'BufferGeometry': - } + geometry = bufferGeometryLoader.parse( data ); - this.cumulativeWeight = currentWeight; + break; - }, + case 'Geometry': - // apply the state of 'accu' to the binding when accus differ - apply: function( accuIndex ) { + geometry = geometryLoader.parse( data.data, this.texturePath ).geometry; - var stride = this.valueSize, - buffer = this.buffer, - offset = accuIndex * stride + stride, + break; - weight = this.cumulativeWeight, + default: - binding = this.binding; + console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' ); - this.cumulativeWeight = 0; + continue; - if ( weight < 1 ) { + } - // accuN := accuN + original * ( 1 - cumulativeWeight ) + geometry.uuid = data.uuid; - var originalValueOffset = stride * 3; + if ( data.name !== undefined ) geometry.name = data.name; - this._mixBufferRegion( - buffer, offset, originalValueOffset, 1 - weight, stride ); + geometries[ data.uuid ] = geometry; + + } } - for ( var i = stride, e = stride + stride; i !== e; ++ i ) { + return geometries; - if ( buffer[ i ] !== buffer[ i + stride ] ) { + }, - // value has changed -> update scene graph + parseMaterials: function ( json, textures ) { - binding.setValue( buffer, offset ); - break; + var materials = {}; + + if ( json !== undefined ) { + + var loader = new MaterialLoader(); + loader.setTextures( textures ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var material = loader.parse( json[ i ] ); + materials[ material.uuid ] = material; } } - }, - - // remember the state of the bound property and copy it to both accus - saveOriginalState: function() { + return materials; - var binding = this.binding; + }, - var buffer = this.buffer, - stride = this.valueSize, + parseAnimations: function ( json ) { - originalValueOffset = stride * 3; + var animations = []; - binding.getValue( buffer, originalValueOffset ); + for ( var i = 0; i < json.length; i ++ ) { - // accu[0..1] := orig -- initially detect changes against the original - for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { + var clip = AnimationClip.parse( json[ i ] ); - buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + animations.push( clip ); } - this.cumulativeWeight = 0; + return animations; }, - // apply the state previously taken via 'saveOriginalState' to the binding - restoreOriginalState: function() { + parseImages: function ( json, onLoad ) { - var originalValueOffset = this.valueSize * 3; - this.binding.setValue( this.buffer, originalValueOffset ); + var scope = this; + var images = {}; - }, + function loadImage( url ) { + scope.manager.itemStart( url ); - // mix functions + return loader.load( url, function () { - _select: function( buffer, dstOffset, srcOffset, t, stride ) { + scope.manager.itemEnd( url ); - if ( t >= 0.5 ) { + }, undefined, function () { - for ( var i = 0; i !== stride; ++ i ) { + scope.manager.itemError( url ); - buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + } ); + + } + + if ( json !== undefined && json.length > 0 ) { + + var manager = new LoadingManager( onLoad ); + + var loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( var i = 0, l = json.length; i < l; i ++ ) { + + var image = json[ i ]; + var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url; + + images[ image.uuid ] = loadImage( path ); } } + return images; + }, - _slerp: function( buffer, dstOffset, srcOffset, t, stride ) { + parseTextures: function ( json, images ) { - Quaternion.slerpFlat( buffer, dstOffset, - buffer, dstOffset, buffer, srcOffset, t ); + function parseConstant( value, type ) { - }, + if ( typeof( value ) === 'number' ) return value; - _lerp: function( buffer, dstOffset, srcOffset, t, stride ) { + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); - var s = 1 - t; + return type[ value ]; - for ( var i = 0; i !== stride; ++ i ) { + } - var j = dstOffset + i; + var textures = {}; - buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + if ( json !== undefined ) { - } + for ( var i = 0, l = json.length; i < l; i ++ ) { - } + var data = json[ i ]; - }; + if ( data.image === undefined ) { - /** - * - * A reference to a real property in the scene graph. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - */ + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); - function PropertyBinding( rootNode, path, parsedPath ) { + } - this.path = path; - this.parsedPath = parsedPath || - PropertyBinding.parseTrackName( path ); + if ( images[ data.image ] === undefined ) { - this.node = PropertyBinding.findNode( - rootNode, this.parsedPath.nodeName ) || rootNode; + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); - this.rootNode = rootNode; + } - } + var texture = new Texture( images[ data.image ] ); + texture.needsUpdate = true; - PropertyBinding.prototype = { + texture.uuid = data.uuid; - constructor: PropertyBinding, + if ( data.name !== undefined ) texture.name = data.name; - getValue: function getValue_unbound( targetArray, offset ) { + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping ); - this.bind(); - this.getValue( targetArray, offset ); + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.wrap !== undefined ) { - // Note: This class uses a State pattern on a per-method basis: - // 'bind' sets 'this.getValue' / 'setValue' and shadows the - // prototype version of these methods with one that represents - // the bound state. When the property is not found, the methods - // become no-ops. + texture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping ); - }, + } - setValue: function getValue_unbound( sourceArray, offset ) { + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; - this.bind(); - this.setValue( sourceArray, offset ); + if ( data.flipY !== undefined ) texture.flipY = data.flipY; - }, + textures[ data.uuid ] = texture; - // create getter / setter pair for a property in the scene graph - bind: function() { + } - var targetObject = this.node, - parsedPath = this.parsedPath, + } - objectName = parsedPath.objectName, - propertyName = parsedPath.propertyName, - propertyIndex = parsedPath.propertyIndex; + return textures; - if ( ! targetObject ) { + }, - targetObject = PropertyBinding.findNode( - this.rootNode, parsedPath.nodeName ) || this.rootNode; + parseObject: function () { - this.node = targetObject; + var matrix = new Matrix4(); - } + return function parseObject( data, geometries, materials ) { - // set fail state so we can just 'return' on error - this.getValue = this._getValue_unavailable; - this.setValue = this._setValue_unavailable; + var object; - // ensure there is a value node - if ( ! targetObject ) { + function getGeometry( name ) { - console.error( " trying to update node for track: " + this.path + " but it wasn't found." ); - return; + if ( geometries[ name ] === undefined ) { - } + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); - if ( objectName ) { + } - var objectIndex = parsedPath.objectIndex; + return geometries[ name ]; - // special cases were we need to reach deeper into the hierarchy to get the face materials.... - switch ( objectName ) { + } - case 'materials': + function getMaterial( name ) { - if ( ! targetObject.material ) { + if ( name === undefined ) return undefined; - console.error( ' can not bind to material as node does not have a material', this ); - return; + if ( materials[ name ] === undefined ) { - } + console.warn( 'THREE.ObjectLoader: Undefined material', name ); - if ( ! targetObject.material.materials ) { + } - console.error( ' can not bind to material.materials as node.material does not have a materials array', this ); - return; + return materials[ name ]; - } + } - targetObject = targetObject.material.materials; + switch ( data.type ) { - break; + case 'Scene': - case 'bones': + object = new Scene(); - if ( ! targetObject.skeleton ) { + if ( data.background !== undefined ) { - console.error( ' can not bind to bones as node does not have a skeleton', this ); - return; + if ( Number.isInteger( data.background ) ) { + + object.background = new Color( data.background ); + + } } - // potential future optimization: skip this if propertyIndex is already an integer - // and convert the integer string to a true integer. + if ( data.fog !== undefined ) { - targetObject = targetObject.skeleton.bones; + if ( data.fog.type === 'Fog' ) { - // support resolving morphTarget names into indices. - for ( var i = 0; i < targetObject.length; i ++ ) { + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); - if ( targetObject[ i ].name === objectIndex ) { + } else if ( data.fog.type === 'FogExp2' ) { - objectIndex = i; - break; + object.fog = new FogExp2( data.fog.color, data.fog.density ); } @@ -36440,10724 +38010,9048 @@ break; - default: + case 'PerspectiveCamera': - if ( targetObject[ objectName ] === undefined ) { + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); - console.error( ' can not bind to objectName of node, undefined', this ); - return; + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); - } + break; - targetObject = targetObject[ objectName ]; + case 'OrthographicCamera': - } + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + break; - if ( objectIndex !== undefined ) { + case 'AmbientLight': - if ( targetObject[ objectIndex ] === undefined ) { + object = new AmbientLight( data.color, data.intensity ); - console.error( " trying to bind to objectIndex of objectName, but is undefined:", this, targetObject ); - return; + break; - } + case 'DirectionalLight': - targetObject = targetObject[ objectIndex ]; + object = new DirectionalLight( data.color, data.intensity ); - } + break; - } + case 'PointLight': - // resolve property - var nodeProperty = targetObject[ propertyName ]; + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); - if ( nodeProperty === undefined ) { + break; - var nodeName = parsedPath.nodeName; + case 'SpotLight': - console.error( " trying to update property for track: " + nodeName + - '.' + propertyName + " but it wasn't found.", targetObject ); - return; + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); - } + break; - // determine versioning scheme - var versioning = this.Versioning.None; + case 'HemisphereLight': - if ( targetObject.needsUpdate !== undefined ) { // material + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); - versioning = this.Versioning.NeedsUpdate; - this.targetObject = targetObject; + break; - } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + case 'Mesh': - versioning = this.Versioning.MatrixWorldNeedsUpdate; - this.targetObject = targetObject; + var geometry = getGeometry( data.geometry ); + var material = getMaterial( data.material ); - } + if ( geometry.bones && geometry.bones.length > 0 ) { - // determine how the property gets bound - var bindingType = this.BindingType.Direct; + object = new SkinnedMesh( geometry, material ); - if ( propertyIndex !== undefined ) { - // access a sub element of the property array (only primitives are supported right now) + } else { - if ( propertyName === "morphTargetInfluences" ) { - // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + object = new Mesh( geometry, material ); - // support resolving morphTarget names into indices. - if ( ! targetObject.geometry ) { + } - console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this ); - return; + break; - } + case 'LOD': - if ( ! targetObject.geometry.morphTargets ) { + object = new LOD(); - console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this ); - return; - - } - - for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { + break; - if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { + case 'Line': - propertyIndex = i; - break; + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode ); - } + break; - } + case 'LineSegments': - } + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); - bindingType = this.BindingType.ArrayElement; + break; - this.resolvedProperty = nodeProperty; - this.propertyIndex = propertyIndex; + case 'PointCloud': + case 'Points': - } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { - // must use copy for Object3D.Euler/Quaternion + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); - bindingType = this.BindingType.HasFromToArray; + break; - this.resolvedProperty = nodeProperty; + case 'Sprite': - } else if ( nodeProperty.length !== undefined ) { + object = new Sprite( getMaterial( data.material ) ); - bindingType = this.BindingType.EntireArray; + break; - this.resolvedProperty = nodeProperty; + case 'Group': - } else { + object = new Group(); - this.propertyName = propertyName; + break; - } + default: - // select getter / setter - this.getValue = this.GetterByBindingType[ bindingType ]; - this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + object = new Object3D(); - }, + } - unbind: function() { + object.uuid = data.uuid; - this.node = null; + if ( data.name !== undefined ) object.name = data.name; + if ( data.matrix !== undefined ) { - // back to the prototype version of getValue / setValue - // note: avoiding to mutate the shape of 'this' via 'delete' - this.getValue = this._getValue_unbound; - this.setValue = this._setValue_unbound; + matrix.fromArray( data.matrix ); + matrix.decompose( object.position, object.quaternion, object.scale ); - } + } else { - }; + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); - Object.assign( PropertyBinding.prototype, { // prototype, continued + } - // these are used to "bind" a nonexistent property - _getValue_unavailable: function() {}, - _setValue_unavailable: function() {}, + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; - // initial state of these methods that calls 'bind' - _getValue_unbound: PropertyBinding.prototype.getValue, - _setValue_unbound: PropertyBinding.prototype.setValue, + if ( data.shadow ) { - BindingType: { - Direct: 0, - EntireArray: 1, - ArrayElement: 2, - HasFromToArray: 3 - }, + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); - Versioning: { - None: 0, - NeedsUpdate: 1, - MatrixWorldNeedsUpdate: 2 - }, + } - GetterByBindingType: [ + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.userData !== undefined ) object.userData = data.userData; - function getValue_direct( buffer, offset ) { + if ( data.children !== undefined ) { - buffer[ offset ] = this.node[ this.propertyName ]; + for ( var child in data.children ) { - }, + object.add( this.parseObject( data.children[ child ], geometries, materials ) ); - function getValue_array( buffer, offset ) { + } - var source = this.resolvedProperty; + } - for ( var i = 0, n = source.length; i !== n; ++ i ) { + if ( data.type === 'LOD' ) { - buffer[ offset ++ ] = source[ i ]; + var levels = data.levels; - } + for ( var l = 0; l < levels.length; l ++ ) { - }, + var level = levels[ l ]; + var child = object.getObjectByProperty( 'uuid', level.object ); - function getValue_arrayElement( buffer, offset ) { + if ( child !== undefined ) { - buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + object.addLevel( child, level.distance ); - }, + } - function getValue_toArray( buffer, offset ) { + } - this.resolvedProperty.toArray( buffer, offset ); + } - } + return object; - ], + }; - SetterByBindingTypeAndVersioning: [ + }() - [ - // Direct + } ); - function setValue_direct( buffer, offset ) { + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Extensible curve object + * + * Some common of Curve methods + * .getPoint(t), getTangent(t) + * .getPointAt(u), getTangentAt(u) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following classes subclasses THREE.Curve: + * + * -- 2d classes -- + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.CubicBezierCurve + * THREE.SplineCurve + * THREE.ArcCurve + * THREE.EllipseCurve + * + * -- 3d classes -- + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * THREE.CubicBezierCurve3 + * THREE.SplineCurve3 + * + * A series of curves can be represented as a THREE.CurvePath + * + **/ - this.node[ this.propertyName ] = buffer[ offset ]; + /************************************************************** + * Abstract Curve base class + **************************************************************/ - }, + function Curve() {} - function setValue_direct_setNeedsUpdate( buffer, offset ) { + Curve.prototype = { - this.node[ this.propertyName ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; + constructor: Curve, - }, + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] - function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + getPoint: function ( t ) { - this.node[ this.propertyName ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; + console.warn( "THREE.Curve: Warning, getPoint() not implemented!" ); + return null; - } + }, - ], [ + // Get point at relative position in curve according to arc length + // - u [0 .. 1] - // EntireArray + getPointAt: function ( u ) { - function setValue_array( buffer, offset ) { + var t = this.getUtoTmapping( u ); + return this.getPoint( t ); - var dest = this.resolvedProperty; + }, - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + // Get sequence of points using getPoint( t ) - dest[ i ] = buffer[ offset ++ ]; + getPoints: function ( divisions ) { - } + if ( ! divisions ) divisions = 5; - }, + var points = []; - function setValue_array_setNeedsUpdate( buffer, offset ) { + for ( var d = 0; d <= divisions; d ++ ) { - var dest = this.resolvedProperty; + points.push( this.getPoint( d / divisions ) ); - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + } - dest[ i ] = buffer[ offset ++ ]; + return points; - } + }, - this.targetObject.needsUpdate = true; + // Get sequence of points using getPointAt( u ) - }, + getSpacedPoints: function ( divisions ) { - function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + if ( ! divisions ) divisions = 5; - var dest = this.resolvedProperty; + var points = []; - for ( var i = 0, n = dest.length; i !== n; ++ i ) { + for ( var d = 0; d <= divisions; d ++ ) { - dest[ i ] = buffer[ offset ++ ]; + points.push( this.getPointAt( d / divisions ) ); - } + } - this.targetObject.matrixWorldNeedsUpdate = true; + return points; - } + }, - ], [ + // Get total curve arc length - // ArrayElement + getLength: function () { - function setValue_arrayElement( buffer, offset ) { + var lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + }, - }, + // Get list of cumulative segment lengths - function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + getLengths: function ( divisions ) { - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.needsUpdate = true; + if ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200; - }, + if ( this.cacheArcLengths + && ( this.cacheArcLengths.length === divisions + 1 ) + && ! this.needsUpdate ) { - function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + //console.log( "cached", this.cacheArcLengths ); + return this.cacheArcLengths; - this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - this.targetObject.matrixWorldNeedsUpdate = true; + } - } + this.needsUpdate = false; - ], [ + var cache = []; + var current, last = this.getPoint( 0 ); + var p, sum = 0; - // HasToFromArray + cache.push( 0 ); - function setValue_fromArray( buffer, offset ) { + for ( p = 1; p <= divisions; p ++ ) { - this.resolvedProperty.fromArray( buffer, offset ); + current = this.getPoint ( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; - }, + } - function setValue_fromArray_setNeedsUpdate( buffer, offset ) { + this.cacheArcLengths = cache; - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.needsUpdate = true; + return cache; // { sums: cache, sum:sum }; Sum is in the last element. - }, + }, - function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + updateArcLengths: function() { - this.resolvedProperty.fromArray( buffer, offset ); - this.targetObject.matrixWorldNeedsUpdate = true; + this.needsUpdate = true; + this.getLengths(); - } + }, - ] + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant - ] + getUtoTmapping: function ( u, distance ) { - } ); + var arcLengths = this.getLengths(); - PropertyBinding.Composite = - function( targetGroup, path, optionalParsedPath ) { + var i = 0, il = arcLengths.length; - var parsedPath = optionalParsedPath || - PropertyBinding.parseTrackName( path ); + var targetArcLength; // The targeted u distance value to get - this._targetGroup = targetGroup; - this._bindings = targetGroup.subscribe_( path, parsedPath ); + if ( distance ) { - }; + targetArcLength = distance; - PropertyBinding.Composite.prototype = { + } else { - constructor: PropertyBinding.Composite, + targetArcLength = u * arcLengths[ il - 1 ]; - getValue: function( array, offset ) { + } - this.bind(); // bind all binding + //var time = Date.now(); - var firstValidIndex = this._targetGroup.nCachedObjects_, - binding = this._bindings[ firstValidIndex ]; + // binary search for the index with largest value smaller than target u distance - // and only call .getValue on the first - if ( binding !== undefined ) binding.getValue( array, offset ); + var low = 0, high = il - 1, comparison; - }, + while ( low <= high ) { - setValue: function( array, offset ) { + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats - var bindings = this._bindings; + comparison = arcLengths[ i ] - targetArcLength; - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + if ( comparison < 0 ) { - bindings[ i ].setValue( array, offset ); + low = i + 1; - } + } else if ( comparison > 0 ) { - }, + high = i - 1; - bind: function() { + } else { - var bindings = this._bindings; + high = i; + break; - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + // DONE - bindings[ i ].bind(); + } } - }, - - unbind: function() { + i = high; - var bindings = this._bindings; + //console.log('b' , i, low, high, Date.now()- time); - for ( var i = this._targetGroup.nCachedObjects_, - n = bindings.length; i !== n; ++ i ) { + if ( arcLengths[ i ] === targetArcLength ) { - bindings[ i ].unbind(); + var t = i / ( il - 1 ); + return t; } - } + // we could get finer grain at lengths, or use simple interpolation between two points - }; + var lengthBefore = arcLengths[ i ]; + var lengthAfter = arcLengths[ i + 1 ]; - PropertyBinding.create = function( root, path, parsedPath ) { + var segmentLength = lengthAfter - lengthBefore; - if ( ! ( (root && root.isAnimationObjectGroup) ) ) { + // determine where we are between the 'before' and 'after' points - return new PropertyBinding( root, path, parsedPath ); + var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; - } else { + // add that fractional amount to t - return new PropertyBinding.Composite( root, path, parsedPath ); + var t = ( i + segmentFraction ) / ( il - 1 ); - } + return t; - }; + }, - PropertyBinding.parseTrackName = function( trackName ) { + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation - // matches strings in the form of: - // nodeName.property - // nodeName.property[accessor] - // nodeName.material.property[accessor] - // uuid.property[accessor] - // uuid.objectName[objectIndex].propertyName[propertyIndex] - // parentName/nodeName.property - // parentName/parentName/nodeName.property[index] - // .bone[Armature.DEF_cog].position - // scene:helium_balloon_model:helium_balloon_model.position - // created and tested via https://regex101.com/#javascript + getTangent: function( t ) { - var re = /^((?:\w+[\/:])*)(\w+)?(?:\.(\w+)(?:\[(.+)\])?)?\.(\w+)(?:\[(.+)\])?$/; - var matches = re.exec( trackName ); + var delta = 0.0001; + var t1 = t - delta; + var t2 = t + delta; - if ( ! matches ) { + // Capping in case of danger - throw new Error( "cannot parse trackName at all: " + trackName ); + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; - } + var pt1 = this.getPoint( t1 ); + var pt2 = this.getPoint( t2 ); - var results = { - // directoryName: matches[ 1 ], // (tschw) currently unused - nodeName: matches[ 2 ], // allowed to be null, specified root node. - objectName: matches[ 3 ], - objectIndex: matches[ 4 ], - propertyName: matches[ 5 ], - propertyIndex: matches[ 6 ] // allowed to be null, specifies that the whole property is set. - }; + var vec = pt2.clone().sub( pt1 ); + return vec.normalize(); - if ( results.propertyName === null || results.propertyName.length === 0 ) { + }, - throw new Error( "can not parse propertyName from trackName: " + trackName ); + getTangentAt: function ( u ) { - } + var t = this.getUtoTmapping( u ); + return this.getTangent( t ); - return results; + }, - }; + computeFrenetFrames: function ( segments, closed ) { - PropertyBinding.findNode = function( root, nodeName ) { + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf - if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { + var normal = new Vector3(); - return root; + var tangents = []; + var normals = []; + var binormals = []; - } + var vec = new Vector3(); + var mat = new Matrix4(); - // search into skeleton bones. - if ( root.skeleton ) { + var i, u, theta; - var searchSkeleton = function( skeleton ) { + // compute the tangent vectors for each segment on the curve - for( var i = 0; i < skeleton.bones.length; i ++ ) { + for ( i = 0; i <= segments; i ++ ) { - var bone = skeleton.bones[ i ]; + u = i / segments; - if ( bone.name === nodeName ) { + tangents[ i ] = this.getTangentAt( u ); + tangents[ i ].normalize(); - return bone; + } - } - } + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component - return null; + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + var min = Number.MAX_VALUE; + var tx = Math.abs( tangents[ 0 ].x ); + var ty = Math.abs( tangents[ 0 ].y ); + var tz = Math.abs( tangents[ 0 ].z ); - }; + if ( tx <= min ) { - var bone = searchSkeleton( root.skeleton ); + min = tx; + normal.set( 1, 0, 0 ); - if ( bone ) { + } - return bone; + if ( ty <= min ) { + + min = ty; + normal.set( 0, 1, 0 ); } - } - // search into node subtree. - if ( root.children ) { + if ( tz <= min ) { - var searchNodeSubtree = function( children ) { + normal.set( 0, 0, 1 ); - for( var i = 0; i < children.length; i ++ ) { + } - var childNode = children[ i ]; + vec.crossVectors( tangents[ 0 ], normal ).normalize(); - if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); - return childNode; - } + // compute the slowly-varying normal and binormal vectors for each segment on the curve - var result = searchNodeSubtree( childNode.children ); + for ( i = 1; i <= segments; i ++ ) { - if ( result ) return result; + normals[ i ] = normals[ i - 1 ].clone(); - } + binormals[ i ] = binormals[ i - 1 ].clone(); - return null; + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); - }; + if ( vec.length() > Number.EPSILON ) { - var subTreeNode = searchNodeSubtree( root.children ); + vec.normalize(); - if ( subTreeNode ) { + theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors - return subTreeNode; + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); - } + } - } - - return null; + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - }; + } - /** - * - * A group of objects that receives a shared animation state. - * - * Usage: - * - * - Add objects you would otherwise pass as 'root' to the - * constructor or the .clipAction method of AnimationMixer. - * - * - Instead pass this object as 'root'. - * - * - You can also add and remove objects later when the mixer - * is running. - * - * Note: - * - * Objects of this class appear as one object to the mixer, - * so cache control of the individual objects must be done - * on the group. - * - * Limitation: - * - * - The animated properties must be compatible among the - * all objects in the group. - * - * - A single property can either be controlled through a - * target group or directly, but not both. - * - * @author tschw - */ + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same - function AnimationObjectGroup( var_args ) { + if ( closed === true ) { - this.uuid = _Math.generateUUID(); + theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; - // cached objects followed by the active ones - this._objects = Array.prototype.slice.call( arguments ); + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { - this.nCachedObjects_ = 0; // threshold - // note: read by PropertyBinding.Composite + theta = - theta; - var indices = {}; - this._indicesByUUID = indices; // for bookkeeping + } - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + for ( i = 1; i <= segments; i ++ ) { - indices[ arguments[ i ].uuid ] = i; + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); - } + } - this._paths = []; // inside: string - this._parsedPaths = []; // inside: { we don't care, here } - this._bindings = []; // inside: Array< PropertyBinding > - this._bindingsIndicesByPath = {}; // inside: indices in these arrays + } - var scope = this; + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; - this.stats = { + } - objects: { - get total() { return scope._objects.length; }, - get inUse() { return this.total - scope.nCachedObjects_; } - }, + }; - get bindingsPerObject() { return scope._bindings.length; } + // TODO: Transformation for Curves? - }; + /************************************************************** + * 3D Curves + **************************************************************/ - } + // A Factory method for creating new curve subclasses - AnimationObjectGroup.prototype = { + Curve.create = function ( constructor, getPointFunc ) { - constructor: AnimationObjectGroup, + constructor.prototype = Object.create( Curve.prototype ); + constructor.prototype.constructor = constructor; + constructor.prototype.getPoint = getPointFunc; - isAnimationObjectGroup: true, + return constructor; - add: function( var_args ) { + }; - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - paths = this._paths, - parsedPaths = this._parsedPaths, - bindings = this._bindings, - nBindings = bindings.length; + /************************************************************** + * Line + **************************************************************/ - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + function LineCurve( v1, v2 ) { - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; + this.v1 = v1; + this.v2 = v2; - if ( index === undefined ) { + } - // unknown object -> add it to the ACTIVE region + LineCurve.prototype = Object.create( Curve.prototype ); + LineCurve.prototype.constructor = LineCurve; - index = nObjects ++; - indicesByUUID[ uuid ] = index; - objects.push( object ); + LineCurve.prototype.isLineCurve = true; - // accounting is done, now do the same for all bindings + LineCurve.prototype.getPoint = function ( t ) { - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + if ( t === 1 ) { - bindings[ j ].push( - new PropertyBinding( - object, paths[ j ], parsedPaths[ j ] ) ); + return this.v2.clone(); - } + } - } else if ( index < nCachedObjects ) { + var point = this.v2.clone().sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); - var knownObject = objects[ index ]; + return point; - // move existing object to the ACTIVE region + }; - var firstActiveIndex = -- nCachedObjects, - lastCachedObject = objects[ firstActiveIndex ]; + // Line curve is linear, so we can overwrite default getPointAt - indicesByUUID[ lastCachedObject.uuid ] = index; - objects[ index ] = lastCachedObject; + LineCurve.prototype.getPointAt = function ( u ) { - indicesByUUID[ uuid ] = firstActiveIndex; - objects[ firstActiveIndex ] = object; + return this.getPoint( u ); - // accounting is done, now do the same for all bindings + }; - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + LineCurve.prototype.getTangent = function( t ) { - var bindingsForPath = bindings[ j ], - lastCached = bindingsForPath[ firstActiveIndex ], - binding = bindingsForPath[ index ]; + var tangent = this.v2.clone().sub( this.v1 ); - bindingsForPath[ index ] = lastCached; + return tangent.normalize(); - if ( binding === undefined ) { + }; - // since we do not bother to create new bindings - // for objects that are cached, the binding may - // or may not exist + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * + **/ - binding = new PropertyBinding( - object, paths[ j ], parsedPaths[ j ] ); + /************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ - } + function CurvePath() { - bindingsForPath[ firstActiveIndex ] = binding; + this.curves = []; - } + this.autoClose = false; // Automatically closes the path - } else if ( objects[ index ] !== knownObject) { + } - console.error( "Different objects with the same UUID " + - "detected. Clean the caches or recreate your " + - "infrastructure when reloading scenes..." ); + CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), { - } // else the object is already where we want it to be + constructor: CurvePath, - } // for arguments + add: function ( curve ) { - this.nCachedObjects_ = nCachedObjects; + this.curves.push( curve ); }, - remove: function( var_args ) { + closePath: function () { - var objects = this._objects, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; + // Add a line curve if start and end of lines are not connected + var startPoint = this.curves[ 0 ].getPoint( 0 ); + var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + if ( ! startPoint.equals( endPoint ) ) { - var object = arguments[ i ], - uuid = object.uuid, - index = indicesByUUID[ uuid ]; + this.curves.push( new LineCurve( endPoint, startPoint ) ); - if ( index !== undefined && index >= nCachedObjects ) { + } - // move existing object into the CACHED region + }, - var lastCachedIndex = nCachedObjects ++, - firstActiveObject = objects[ lastCachedIndex ]; + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: - indicesByUUID[ firstActiveObject.uuid ] = index; - objects[ index ] = firstActiveObject; + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') - indicesByUUID[ uuid ] = lastCachedIndex; - objects[ lastCachedIndex ] = object; + getPoint: function ( t ) { - // accounting is done, now do the same for all bindings + var d = t * this.getLength(); + var curveLengths = this.getCurveLengths(); + var i = 0; - for ( var j = 0, m = nBindings; j !== m; ++ j ) { + // To think about boundaries points. - var bindingsForPath = bindings[ j ], - firstActive = bindingsForPath[ lastCachedIndex ], - binding = bindingsForPath[ index ]; + while ( i < curveLengths.length ) { - bindingsForPath[ index ] = firstActive; - bindingsForPath[ lastCachedIndex ] = binding; + if ( curveLengths[ i ] >= d ) { - } + var diff = curveLengths[ i ] - d; + var curve = this.curves[ i ]; - } + var segmentLength = curve.getLength(); + var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; - } // for arguments + return curve.getPointAt( u ); - this.nCachedObjects_ = nCachedObjects; + } - }, + i ++; - // remove & forget - uncache: function( var_args ) { + } - var objects = this._objects, - nObjects = objects.length, - nCachedObjects = this.nCachedObjects_, - indicesByUUID = this._indicesByUUID, - bindings = this._bindings, - nBindings = bindings.length; + return null; - for ( var i = 0, n = arguments.length; i !== n; ++ i ) { + // loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) { - bindings[ index ] = lastBindings; - bindings.pop(); + points.push( points[ 0 ] ); - parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; - parsedPaths.pop(); + } - paths[ index ] = paths[ lastBindingsIndex ]; - paths.pop(); + return points; - } + }, - } + /************************************************************** + * Create Geometries Helpers + **************************************************************/ - }; + /// Generate geometry from path points (for Line or Points objects) - /** - * - * Action provided by AnimationMixer for scheduling clip playback on specific - * objects. - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw - * - */ + createPointsGeometry: function ( divisions ) { - function AnimationAction( mixer, clip, localRoot ) { + var pts = this.getPoints( divisions ); + return this.createGeometry( pts ); - this._mixer = mixer; - this._clip = clip; - this._localRoot = localRoot || null; + }, - var tracks = clip.tracks, - nTracks = tracks.length, - interpolants = new Array( nTracks ); + // Generate geometry from equidistant sampling along the path - var interpolantSettings = { - endingStart: ZeroCurvatureEnding, - endingEnd: ZeroCurvatureEnding - }; + createSpacedPointsGeometry: function ( divisions ) { - for ( var i = 0; i !== nTracks; ++ i ) { + var pts = this.getSpacedPoints( divisions ); + return this.createGeometry( pts ); - var interpolant = tracks[ i ].createInterpolant( null ); - interpolants[ i ] = interpolant; - interpolant.settings = interpolantSettings; + }, - } + createGeometry: function ( points ) { - this._interpolantSettings = interpolantSettings; + var geometry = new Geometry(); - this._interpolants = interpolants; // bound by the mixer + for ( var i = 0, l = points.length; i < l; i ++ ) { - // inside: PropertyMixer (managed by the mixer) - this._propertyBindings = new Array( nTracks ); + var point = points[ i ]; + geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) ); - this._cacheIndex = null; // for the memory manager - this._byClipCacheIndex = null; // for the memory manager + } - this._timeScaleInterpolant = null; - this._weightInterpolant = null; + return geometry; - this.loop = LoopRepeat; - this._loopCount = -1; + } - // global mixer time when the action is to be started - // it's set back to 'null' upon start of the action - this._startTime = null; + } ); - // scaled local time of the action - // gets clamped or wrapped to 0..clip.duration according to loop - this.time = 0; + /************************************************************** + * Ellipse curve + **************************************************************/ - this.timeScale = 1; - this._effectiveTimeScale = 1; + function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - this.weight = 1; - this._effectiveWeight = 1; + this.aX = aX; + this.aY = aY; - this.repetitions = Infinity; // no. of repetitions when looping + this.xRadius = xRadius; + this.yRadius = yRadius; - this.paused = false; // false -> zero effective time scale - this.enabled = true; // true -> zero effective weight + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; - this.clampWhenFinished = false; // keep feeding the last frame? + this.aClockwise = aClockwise; - this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate - this.zeroSlopeAtEnd = true; // clips for start, loop and end + this.aRotation = aRotation || 0; } - AnimationAction.prototype = { + EllipseCurve.prototype = Object.create( Curve.prototype ); + EllipseCurve.prototype.constructor = EllipseCurve; - constructor: AnimationAction, + EllipseCurve.prototype.isEllipseCurve = true; - // State & Scheduling + EllipseCurve.prototype.getPoint = function( t ) { - play: function() { + var twoPi = Math.PI * 2; + var deltaAngle = this.aEndAngle - this.aStartAngle; + var samePoints = Math.abs( deltaAngle ) < Number.EPSILON; - this._mixer._activateAction( this ); + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; - return this; + if ( deltaAngle < Number.EPSILON ) { - }, + if ( samePoints ) { - stop: function() { + deltaAngle = 0; - this._mixer._deactivateAction( this ); + } else { - return this.reset(); + deltaAngle = twoPi; - }, + } - reset: function() { + } - this.paused = false; - this.enabled = true; + if ( this.aClockwise === true && ! samePoints ) { - this.time = 0; // restart clip - this._loopCount = -1; // forget previous loops - this._startTime = null; // forget scheduling + if ( deltaAngle === twoPi ) { - return this.stopFading().stopWarping(); + deltaAngle = - twoPi; - }, + } else { - isRunning: function() { + deltaAngle = deltaAngle - twoPi; - return this.enabled && ! this.paused && this.timeScale !== 0 && - this._startTime === null && this._mixer._isActiveAction( this ); + } - }, + } - // return true when play has been called - isScheduled: function() { + var angle = this.aStartAngle + t * deltaAngle; + var x = this.aX + this.xRadius * Math.cos( angle ); + var y = this.aY + this.yRadius * Math.sin( angle ); - return this._mixer._isActiveAction( this ); + if ( this.aRotation !== 0 ) { - }, + var cos = Math.cos( this.aRotation ); + var sin = Math.sin( this.aRotation ); - startAt: function( time ) { + var tx = x - this.aX; + var ty = y - this.aY; - this._startTime = time; + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; - return this; + } - }, + return new Vector2( x, y ); - setLoop: function( mode, repetitions ) { + }; - this.loop = mode; - this.repetitions = repetitions; + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + */ - return this; + var CurveUtils = { - }, + tangentQuadraticBezier: function ( t, p0, p1, p2 ) { - // Weight + return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 ); - // set the weight stopping any scheduled fading - // although .enabled = false yields an effective weight of zero, this - // method does *not* change .enabled, because it would be confusing - setEffectiveWeight: function( weight ) { + }, - this.weight = weight; + // Puay Bing, thanks for helping with this derivative! - // note: same logic as when updated at runtime - this._effectiveWeight = this.enabled ? weight : 0; + tangentCubicBezier: function ( t, p0, p1, p2, p3 ) { - return this.stopFading(); + return - 3 * p0 * ( 1 - t ) * ( 1 - t ) + + 3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) + + 6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 + + 3 * t * t * p3; }, - // return the weight considering fading and .enabled - getEffectiveWeight: function() { - - return this._effectiveWeight; + tangentSpline: function ( t, p0, p1, p2, p3 ) { - }, + // To check if my formulas are correct - fadeIn: function( duration ) { + var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1 + var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t + var h01 = - 6 * t * t + 6 * t; // − 2t3 + 3t2 + var h11 = 3 * t * t - 2 * t; // t3 − t2 - return this._scheduleFading( duration, 0, 1 ); + return h00 + h10 + h01 + h11; }, - fadeOut: function( duration ) { + // Catmull-Rom - return this._scheduleFading( duration, 1, 0 ); + interpolate: function( p0, p1, p2, p3, t ) { - }, + var v0 = ( p2 - p0 ) * 0.5; + var v1 = ( p3 - p1 ) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; - crossFadeFrom: function( fadeOutAction, duration, warp ) { + } - fadeOutAction.fadeOut( duration ); - this.fadeIn( duration ); + }; - if( warp ) { + /************************************************************** + * Spline curve + **************************************************************/ - var fadeInDuration = this._clip.duration, - fadeOutDuration = fadeOutAction._clip.duration, + function SplineCurve( points /* array of Vector2 */ ) { - startEndRatio = fadeOutDuration / fadeInDuration, - endStartRatio = fadeInDuration / fadeOutDuration; + this.points = ( points === undefined ) ? [] : points; - fadeOutAction.warp( 1.0, startEndRatio, duration ); - this.warp( endStartRatio, 1.0, duration ); + } - } + SplineCurve.prototype = Object.create( Curve.prototype ); + SplineCurve.prototype.constructor = SplineCurve; - return this; + SplineCurve.prototype.isSplineCurve = true; - }, + SplineCurve.prototype.getPoint = function ( t ) { - crossFadeTo: function( fadeInAction, duration, warp ) { + var points = this.points; + var point = ( points.length - 1 ) * t; - return fadeInAction.crossFadeFrom( this, duration, warp ); + var intPoint = Math.floor( point ); + var weight = point - intPoint; - }, + var point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - stopFading: function() { + var interpolate = CurveUtils.interpolate; - var weightInterpolant = this._weightInterpolant; + return new Vector2( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ) + ); - if ( weightInterpolant !== null ) { + }; - this._weightInterpolant = null; - this._mixer._takeBackControlInterpolant( weightInterpolant ); + /************************************************************** + * Cubic Bezier curve + **************************************************************/ - } + function CubicBezierCurve( v0, v1, v2, v3 ) { - return this; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; - }, + } - // Time Scale Control + CubicBezierCurve.prototype = Object.create( Curve.prototype ); + CubicBezierCurve.prototype.constructor = CubicBezierCurve; - // set the weight stopping any scheduled warping - // although .paused = true yields an effective time scale of zero, this - // method does *not* change .paused, because it would be confusing - setEffectiveTimeScale: function( timeScale ) { + CubicBezierCurve.prototype.getPoint = function ( t ) { - this.timeScale = timeScale; - this._effectiveTimeScale = this.paused ? 0 :timeScale; + var b3 = ShapeUtils.b3; - return this.stopWarping(); + return new Vector2( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ); - }, + }; - // return the time scale considering warping and .paused - getEffectiveTimeScale: function() { + CubicBezierCurve.prototype.getTangent = function( t ) { - return this._effectiveTimeScale; + var tangentCubicBezier = CurveUtils.tangentCubicBezier; - }, + return new Vector2( + tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ) + ).normalize(); - setDuration: function( duration ) { + }; - this.timeScale = this._clip.duration / duration; + /************************************************************** + * Quadratic Bezier curve + **************************************************************/ - return this.stopWarping(); - }, + function QuadraticBezierCurve( v0, v1, v2 ) { - syncWith: function( action ) { + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; - this.time = action.time; - this.timeScale = action.timeScale; + } - return this.stopWarping(); + QuadraticBezierCurve.prototype = Object.create( Curve.prototype ); + QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve; - }, - halt: function( duration ) { + QuadraticBezierCurve.prototype.getPoint = function ( t ) { - return this.warp( this._effectiveTimeScale, 0, duration ); + var b2 = ShapeUtils.b2; - }, + return new Vector2( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ) + ); - warp: function( startTimeScale, endTimeScale, duration ) { + }; - var mixer = this._mixer, now = mixer.time, - interpolant = this._timeScaleInterpolant, - timeScale = this.timeScale; + QuadraticBezierCurve.prototype.getTangent = function( t ) { - if ( interpolant === null ) { + var tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier; - interpolant = mixer._lendControlInterpolant(), - this._timeScaleInterpolant = interpolant; + return new Vector2( + tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ), + tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y ) + ).normalize(); - } + }; - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; + var PathPrototype = Object.assign( Object.create( CurvePath.prototype ), { - times[ 0 ] = now; - times[ 1 ] = now + duration; + fromPoints: function ( vectors ) { - values[ 0 ] = startTimeScale / timeScale; - values[ 1 ] = endTimeScale / timeScale; + this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y ); - return this; + for ( var i = 1, l = vectors.length; i < l; i ++ ) { + + this.lineTo( vectors[ i ].x, vectors[ i ].y ); + + } }, - stopWarping: function() { + moveTo: function ( x, y ) { - var timeScaleInterpolant = this._timeScaleInterpolant; + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? - if ( timeScaleInterpolant !== null ) { + }, - this._timeScaleInterpolant = null; - this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + lineTo: function ( x, y ) { - } + var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); - return this; + this.currentPoint.set( x, y ); }, - // Object Accessors + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { - getMixer: function() { + var curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); - return this._mixer; + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); }, - getClip: function() { + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { - return this._clip; + var curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); }, - getRoot: function() { + splineThru: function ( pts /*Array of Vector*/ ) { - return this._localRoot || this._mixer._root; + var npts = [ this.currentPoint.clone() ].concat( pts ); - }, + var curve = new SplineCurve( npts ); + this.curves.push( curve ); - // Interna + this.currentPoint.copy( pts[ pts.length - 1 ] ); - _update: function( time, deltaTime, timeDirection, accuIndex ) { - // called by the mixer + }, - var startTime = this._startTime; + arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - if ( startTime !== null ) { + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; - // check for scheduled start of action + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); - var timeRunning = ( time - startTime ) * timeDirection; - if ( timeRunning < 0 || timeDirection === 0 ) { + }, - return; // yet to come / don't decide when delta = 0 + absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - } + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - // start + }, - this._startTime = null; // unschedule - deltaTime = timeDirection * timeRunning; + ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - } + var x0 = this.currentPoint.x; + var y0 = this.currentPoint.y; - // apply time scale and advance time + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - deltaTime *= this._updateTimeScale( time ); - var clipTime = this._updateTime( deltaTime ); + }, - // note: _updateTime may disable the action resulting in - // an effective weight of 0 + absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { - var weight = this._updateWeight( time ); + var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); - if ( weight > 0 ) { + if ( this.curves.length > 0 ) { - var interpolants = this._interpolants; - var propertyMixers = this._propertyBindings; + // if a previous curve is present, attempt to join + var firstPoint = curve.getPoint( 0 ); - for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { + if ( ! firstPoint.equals( this.currentPoint ) ) { - interpolants[ j ].evaluate( clipTime ); - propertyMixers[ j ].accumulate( accuIndex, weight ); + this.lineTo( firstPoint.x, firstPoint.y ); } } - }, + this.curves.push( curve ); - _updateWeight: function( time ) { + var lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); - var weight = 0; + } - if ( this.enabled ) { + } ); - weight = this.weight; - var interpolant = this._weightInterpolant; + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Defines a 2d shape plane using paths. + **/ - if ( interpolant !== null ) { + // STEP 1 Create a path. + // STEP 2 Turn path into shape. + // STEP 3 ExtrudeGeometry takes in Shape/Shapes + // STEP 3a - Extract points from each shape, turn to vertices + // STEP 3b - Triangulate each shape, add faces. - var interpolantValue = interpolant.evaluate( time )[ 0 ]; + function Shape() { - weight *= interpolantValue; + Path.apply( this, arguments ); - if ( time > interpolant.parameterPositions[ 1 ] ) { + this.holes = []; - this.stopFading(); + } - if ( interpolantValue === 0 ) { + Shape.prototype = Object.assign( Object.create( PathPrototype ), { - // faded out, disable - this.enabled = false; + constructor: Shape, - } + getPointsHoles: function ( divisions ) { - } + var holesPts = []; - } + for ( var i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); } - this._effectiveWeight = weight; - return weight; + return holesPts; }, - _updateTimeScale: function( time ) { + // Get points of shape and holes (keypoints based on segments parameter) - var timeScale = 0; + extractAllPoints: function ( divisions ) { - if ( ! this.paused ) { + return { - timeScale = this.timeScale; + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) - var interpolant = this._timeScaleInterpolant; + }; - if ( interpolant !== null ) { + }, - var interpolantValue = interpolant.evaluate( time )[ 0 ]; + extractPoints: function ( divisions ) { - timeScale *= interpolantValue; + return this.extractAllPoints( divisions ); - if ( time > interpolant.parameterPositions[ 1 ] ) { + } - this.stopWarping(); + } ); - if ( timeScale === 0 ) { + /** + * @author zz85 / http://www.lab4games.net/zz85/blog + * Creates free form 2d path using series of points, lines or curves. + * + **/ - // motion has halted, pause - this.paused = true; + function Path( points ) { - } else { + CurvePath.call( this ); + this.currentPoint = new Vector2(); - // warp done - apply final time scale - this.timeScale = timeScale; + if ( points ) { - } + this.fromPoints( points ); - } + } - } + } - } + Path.prototype = PathPrototype; + PathPrototype.constructor = Path; - this._effectiveTimeScale = timeScale; - return timeScale; - }, + // minimal class for proxing functions to Path. Replaces old "extractSubpaths()" + function ShapePath() { + this.subPaths = []; + this.currentPath = null; + } - _updateTime: function( deltaTime ) { + ShapePath.prototype = { + moveTo: function ( x, y ) { + this.currentPath = new Path(); + this.subPaths.push(this.currentPath); + this.currentPath.moveTo( x, y ); + }, + lineTo: function ( x, y ) { + this.currentPath.lineTo( x, y ); + }, + quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) { + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + }, + bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + }, + splineThru: function ( pts ) { + this.currentPath.splineThru( pts ); + }, - var time = this.time + deltaTime; + toShapes: function ( isCCW, noHoles ) { - if ( deltaTime === 0 ) return time; + function toShapesNoHoles( inSubpaths ) { - var duration = this._clip.duration, + var shapes = []; - loop = this.loop, - loopCount = this._loopCount; + for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) { - if ( loop === LoopOnce ) { + var tmpPath = inSubpaths[ i ]; - if ( loopCount === -1 ) { - // just started + var tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; - this.loopCount = 0; - this._setEndings( true, true, false ); + shapes.push( tmpShape ); } - handle_stop: { + return shapes; - if ( time >= duration ) { + } - time = duration; + function isPointInsidePolygon( inPt, inPolygon ) { - } else if ( time < 0 ) { + var polyLen = inPolygon.length; - time = 0; + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + var inside = false; + for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { - } else break handle_stop; + var edgeLowPt = inPolygon[ p ]; + var edgeHighPt = inPolygon[ q ]; - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; + var edgeDx = edgeHighPt.x - edgeLowPt.x; + var edgeDy = edgeHighPt.y - edgeLowPt.y; - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime < 0 ? -1 : 1 - } ); + if ( Math.abs( edgeDy ) > Number.EPSILON ) { - } + // not parallel + if ( edgeDy < 0 ) { - } else { // repetitive Repeat or PingPong + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; - var pingPong = ( loop === LoopPingPong ); + } + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; - if ( loopCount === -1 ) { - // just started + if ( inPt.y === edgeLowPt.y ) { - if ( deltaTime >= 0 ) { + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! - loopCount = 0; + } else { - this._setEndings( - true, this.repetitions === 0, pingPong ); + var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt - } else { + } - // when looping in reverse direction, the initial - // transition through zero counts as a repetition, - // so leave loopCount at -1 + } else { - this._setEndings( - this.repetitions === 0, true, pingPong ); + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; } } - if ( time >= duration || time < 0 ) { - // wrap around + return inside; - var loopDelta = Math.floor( time / duration ); // signed - time -= duration * loopDelta; + } - loopCount += Math.abs( loopDelta ); + var isClockWise = ShapeUtils.isClockWise; - var pending = this.repetitions - loopCount; + var subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; - if ( pending < 0 ) { - // have to stop (switch state, clamp time, fire event) + if ( noHoles === true ) return toShapesNoHoles( subPaths ); - if ( this.clampWhenFinished ) this.paused = true; - else this.enabled = false; - time = deltaTime > 0 ? duration : 0; + var solid, tmpPath, tmpShape, shapes = []; - this._mixer.dispatchEvent( { - type: 'finished', action: this, - direction: deltaTime > 0 ? 1 : -1 - } ); + if ( subPaths.length === 1 ) { - } else { - // keep running + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; - if ( pending === 0 ) { - // entering the last round + } - var atStart = deltaTime < 0; - this._setEndings( atStart, ! atStart, pingPong ); + var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; - } else { + // console.log("Holes first", holesFirst); - this._setEndings( false, false, pingPong ); + var betterShapeHoles = []; + var newShapes = []; + var newShapeHoles = []; + var mainIdx = 0; + var tmpPoints; - } + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; - this._loopCount = loopCount; + for ( var i = 0, l = subPaths.length; i < l; i ++ ) { - this._mixer.dispatchEvent( { - type: 'loop', action: this, loopDelta: loopDelta - } ); + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; - } + if ( solid ) { - } + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; - if ( pingPong && ( loopCount & 1 ) === 1 ) { - // invert time for the "pong round" + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; - this.time = time; - return duration - time; + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + + //console.log('cw', i); + + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); } } - this.time = time; - return time; + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); - }, - _setEndings: function( atStart, atEnd, pingPong ) { + if ( newShapes.length > 1 ) { - var settings = this._interpolantSettings; + var ambiguous = false; + var toChange = []; - if ( pingPong ) { + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - settings.endingStart = ZeroSlopeEnding; - settings.endingEnd = ZeroSlopeEnding; + betterShapeHoles[ sIdx ] = []; - } else { + } - // assuming for LoopOnce atStart == atEnd == true + for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { - if ( atStart ) { + var sho = newShapeHoles[ sIdx ]; - settings.endingStart = this.zeroSlopeAtStart ? - ZeroSlopeEnding : ZeroCurvatureEnding; + for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) { - } else { + var ho = sho[ hIdx ]; + var hole_unassigned = true; - settings.endingStart = WrapAroundEnding; + for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { - } + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { - if ( atEnd ) { + if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } ); + if ( hole_unassigned ) { - settings.endingEnd = this.zeroSlopeAtEnd ? - ZeroSlopeEnding : ZeroCurvatureEnding; + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); - } else { + } else { - settings.endingEnd = WrapAroundEnding; + ambiguous = true; + + } + + } + + } + if ( hole_unassigned ) { + + betterShapeHoles[ sIdx ].push( ho ); + + } + + } + + } + // console.log("ambiguous: ", ambiguous); + if ( toChange.length > 0 ) { + + // console.log("to change: ", toChange); + if ( ! ambiguous ) newShapeHoles = betterShapeHoles; } } - }, + var tmpHoles; - _scheduleFading: function( duration, weightNow, weightThen ) { + for ( var i = 0, il = newShapes.length; i < il; i ++ ) { - var mixer = this._mixer, now = mixer.time, - interpolant = this._weightInterpolant; + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; - if ( interpolant === null ) { + for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) { - interpolant = mixer._lendControlInterpolant(), - this._weightInterpolant = interpolant; + tmpShape.holes.push( tmpHoles[ j ].h ); - } + } - var times = interpolant.parameterPositions, - values = interpolant.sampleValues; + } - times[ 0 ] = now; values[ 0 ] = weightNow; - times[ 1 ] = now + duration; values[ 1 ] = weightThen; + //console.log("shape", shapes); - return this; + return shapes; } - }; /** - * - * Player for AnimationClips. - * - * - * @author Ben Houston / http://clara.io/ - * @author David Sarno / http://lighthaus.us/ - * @author tschw + * @author zz85 / http://www.lab4games.net/zz85/blog + * @author mrdoob / http://mrdoob.com/ */ - function AnimationMixer( root ) { + function Font( data ) { - this._root = root; - this._initMemoryManager(); - this._accuIndex = 0; + this.data = data; - this.time = 0; + } - this.timeScale = 1.0; + Object.assign( Font.prototype, { - } + isFont: true, - Object.assign( AnimationMixer.prototype, EventDispatcher.prototype, { + generateShapes: function ( text, size, divisions ) { - // return an action for a clip optionally using a custom root target - // object (this method allocates a lot of dynamic memory in case a - // previously unknown clip/root combination is specified) - clipAction: function( clip, optionalRoot ) { + function createPaths( text ) { - var root = optionalRoot || this._root, - rootUuid = root.uuid, + var chars = String( text ).split( '' ); + var scale = size / data.resolution; + var offset = 0; - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, + var paths = []; - clipUuid = clipObject !== null ? clipObject.uuid : clip, + for ( var i = 0; i < chars.length; i ++ ) { - actionsForClip = this._actionsByClip[ clipUuid ], - prototypeAction = null; + var ret = createPath( chars[ i ], scale, offset ); + offset += ret.offset; - if ( actionsForClip !== undefined ) { + paths.push( ret.path ); - var existingAction = - actionsForClip.actionByRoot[ rootUuid ]; + } - if ( existingAction !== undefined ) { + return paths; - return existingAction; + } - } + function createPath( c, scale, offset ) { - // we know the clip, so we don't have to parse all - // the bindings again but can just copy - prototypeAction = actionsForClip.knownActions[ 0 ]; + var glyph = data.glyphs[ c ] || data.glyphs[ '?' ]; - // also, take the clip from the prototype action - if ( clipObject === null ) - clipObject = prototypeAction._clip; + if ( ! glyph ) return; - } + var path = new ShapePath(); - // clip must be known when specified via string - if ( clipObject === null ) return null; + var pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3; + var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste; - // allocate all resources required to run it - var newAction = new AnimationAction( this, clipObject, optionalRoot ); + if ( glyph.o ) { - this._bindAction( newAction, prototypeAction ); + var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); - // and make the action known to the memory manager - this._addInactiveAction( newAction, clipUuid, rootUuid ); + for ( var i = 0, l = outline.length; i < l; ) { - return newAction; + var action = outline[ i ++ ]; - }, + switch ( action ) { - // get an existing action - existingAction: function( clip, optionalRoot ) { + case 'm': // moveTo - var root = optionalRoot || this._root, - rootUuid = root.uuid, + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; - clipObject = typeof clip === 'string' ? - AnimationClip.findByName( root, clip ) : clip, + path.moveTo( x, y ); - clipUuid = clipObject ? clipObject.uuid : clip, + break; - actionsForClip = this._actionsByClip[ clipUuid ]; + case 'l': // lineTo - if ( actionsForClip !== undefined ) { + x = outline[ i ++ ] * scale + offset; + y = outline[ i ++ ] * scale; - return actionsForClip.actionByRoot[ rootUuid ] || null; + path.lineTo( x, y ); - } + break; - return null; + case 'q': // quadraticCurveTo - }, + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; - // deactivates all previously scheduled actions - stopAllAction: function() { + path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); - var actions = this._actions, - nActions = this._nActiveActions, - bindings = this._bindings, - nBindings = this._nActiveBindings; + laste = pts[ pts.length - 1 ]; - this._nActiveActions = 0; - this._nActiveBindings = 0; + if ( laste ) { - for ( var i = 0; i !== nActions; ++ i ) { + cpx0 = laste.x; + cpy0 = laste.y; - actions[ i ].reset(); + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { - } + var t = i2 / divisions; + b2( t, cpx0, cpx1, cpx ); + b2( t, cpy0, cpy1, cpy ); - for ( var i = 0; i !== nBindings; ++ i ) { + } - bindings[ i ].useCount = 0; + } - } + break; - return this; + case 'b': // bezierCurveTo - }, + cpx = outline[ i ++ ] * scale + offset; + cpy = outline[ i ++ ] * scale; + cpx1 = outline[ i ++ ] * scale + offset; + cpy1 = outline[ i ++ ] * scale; + cpx2 = outline[ i ++ ] * scale + offset; + cpy2 = outline[ i ++ ] * scale; - // advance the time and update apply the animation - update: function( deltaTime ) { + path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); - deltaTime *= this.timeScale; + laste = pts[ pts.length - 1 ]; - var actions = this._actions, - nActions = this._nActiveActions, + if ( laste ) { - time = this.time += deltaTime, - timeDirection = Math.sign( deltaTime ), + cpx0 = laste.x; + cpy0 = laste.y; - accuIndex = this._accuIndex ^= 1; + for ( var i2 = 1; i2 <= divisions; i2 ++ ) { - // run active actions + var t = i2 / divisions; + b3( t, cpx0, cpx1, cpx2, cpx ); + b3( t, cpy0, cpy1, cpy2, cpy ); - for ( var i = 0; i !== nActions; ++ i ) { + } - var action = actions[ i ]; + } - if ( action.enabled ) { + break; - action._update( time, deltaTime, timeDirection, accuIndex ); + } + + } } + return { offset: glyph.ha * scale, path: path }; + } - // update scene graph + // - var bindings = this._bindings, - nBindings = this._nActiveBindings; + if ( size === undefined ) size = 100; + if ( divisions === undefined ) divisions = 4; - for ( var i = 0; i !== nBindings; ++ i ) { + var data = this.data; - bindings[ i ].apply( accuIndex ); + var paths = createPaths( text ); + var shapes = []; - } + for ( var p = 0, pl = paths.length; p < pl; p ++ ) { - return this; + Array.prototype.push.apply( shapes, paths[ p ].toShapes() ); - }, + } - // return this mixer's root target object - getRoot: function() { + return shapes; - return this._root; + } - }, + } ); - // free all resources specific to a particular clip - uncacheClip: function( clip ) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - var actions = this._actions, - clipUuid = clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; + function FontLoader( manager ) { - if ( actionsForClip !== undefined ) { + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - // note: just calling _removeInactiveAction would mess up the - // iteration state and also require updating the state we can - // just throw away + } - var actionsToRemove = actionsForClip.knownActions; + Object.assign( FontLoader.prototype, { - for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + load: function ( url, onLoad, onProgress, onError ) { - var action = actionsToRemove[ i ]; + var scope = this; - this._deactivateAction( action ); + var loader = new XHRLoader( this.manager ); + loader.load( url, function ( text ) { - var cacheIndex = action._cacheIndex, - lastInactiveAction = actions[ actions.length - 1 ]; + var json; - action._cacheIndex = null; - action._byClipCacheIndex = null; + try { - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); + json = JSON.parse( text ); - this._removeInactiveBindingsForAction( action ); + } catch ( e ) { + + console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' ); + json = JSON.parse( text.substring( 65, text.length - 2 ) ); } - delete actionsByClip[ clipUuid ]; + var font = scope.parse( json ); - } + if ( onLoad ) onLoad( font ); + + }, onProgress, onError ); }, - // free all resources specific to a particular root target object - uncacheRoot: function( root ) { + parse: function ( json ) { - var rootUuid = root.uuid, - actionsByClip = this._actionsByClip; + return new Font( json ); - for ( var clipUuid in actionsByClip ) { + } - var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, - action = actionByRoot[ rootUuid ]; + } ); - if ( action !== undefined ) { + var context; - this._deactivateAction( action ); - this._removeInactiveAction( action ); + function getAudioContext() { - } + if ( context === undefined ) { - } + context = new ( window.AudioContext || window.webkitAudioContext )(); - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ]; + } - if ( bindingByName !== undefined ) { + return context; - for ( var trackName in bindingByName ) { + } - var binding = bindingByName[ trackName ]; - binding.restoreOriginalState(); - this._removeInactiveBinding( binding ); + /** + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ - } + function AudioLoader( manager ) { - } + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; - }, + } - // remove a targeted clip from the cache - uncacheAction: function( clip, optionalRoot ) { + Object.assign( AudioLoader.prototype, { - var action = this.existingAction( clip, optionalRoot ); + load: function ( url, onLoad, onProgress, onError ) { - if ( action !== null ) { + var loader = new XHRLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.load( url, function ( buffer ) { - this._deactivateAction( action ); - this._removeInactiveAction( action ); + var context = getAudioContext(); - } + context.decodeAudioData( buffer, function ( audioBuffer ) { - } + onLoad( audioBuffer ); - } ); + } ); - // Implementation details: + }, onProgress, onError ); - Object.assign( AnimationMixer.prototype, { + } - _bindAction: function( action, prototypeAction ) { + } ); - var root = action._localRoot || this._root, - tracks = action._clip.tracks, - nTracks = tracks.length, - bindings = action._propertyBindings, - interpolants = action._interpolants, - rootUuid = root.uuid, - bindingsByRoot = this._bindingsByRootAndName, - bindingsByName = bindingsByRoot[ rootUuid ]; + /** + * @author mrdoob / http://mrdoob.com/ + */ - if ( bindingsByName === undefined ) { + function StereoCamera() { - bindingsByName = {}; - bindingsByRoot[ rootUuid ] = bindingsByName; + this.type = 'StereoCamera'; - } + this.aspect = 1; - for ( var i = 0; i !== nTracks; ++ i ) { + this.eyeSep = 0.064; - var track = tracks[ i ], - trackName = track.name, - binding = bindingsByName[ trackName ]; + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; - if ( binding !== undefined ) { + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; - bindings[ i ] = binding; + } - } else { + Object.assign( StereoCamera.prototype, { - binding = bindings[ i ]; + update: ( function () { - if ( binding !== undefined ) { + var instance, focus, fov, aspect, near, far, zoom; - // existing binding, make sure the cache knows + var eyeRight = new Matrix4(); + var eyeLeft = new Matrix4(); - if ( binding._cacheIndex === null ) { + return function update( camera ) { - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); + var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov || + aspect !== camera.aspect * this.aspect || near !== camera.near || + far !== camera.far || zoom !== camera.zoom; - } + if ( needsUpdate ) { - continue; + instance = this; + focus = camera.focus; + fov = camera.fov; + aspect = camera.aspect * this.aspect; + near = camera.near; + far = camera.far; + zoom = camera.zoom; - } + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ - var path = prototypeAction && prototypeAction. - _propertyBindings[ i ].binding.parsedPath; + var projectionMatrix = camera.projectionMatrix.clone(); + var eyeSep = this.eyeSep / 2; + var eyeSepOnProjection = eyeSep * near / focus; + var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom; + var xmin, xmax; - binding = new PropertyMixer( - PropertyBinding.create( root, trackName, path ), - track.ValueTypeName, track.getValueSize() ); + // translate xOffset - ++ binding.referenceCount; - this._addInactiveBinding( binding, rootUuid, trackName ); + eyeLeft.elements[ 12 ] = - eyeSep; + eyeRight.elements[ 12 ] = eyeSep; - bindings[ i ] = binding; + // for left eye - } + xmin = - ymax * aspect + eyeSepOnProjection; + xmax = ymax * aspect + eyeSepOnProjection; - interpolants[ i ].resultBuffer = binding.buffer; + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - } + this.cameraL.projectionMatrix.copy( projectionMatrix ); - }, + // for right eye - _activateAction: function( action ) { + xmin = - ymax * aspect - eyeSepOnProjection; + xmax = ymax * aspect - eyeSepOnProjection; - if ( ! this._isActiveAction( action ) ) { + projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin ); + projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); - if ( action._cacheIndex === null ) { + this.cameraR.projectionMatrix.copy( projectionMatrix ); - // this action has been forgotten by the cache, but the user - // appears to be still using it -> rebind + } - var rootUuid = ( action._localRoot || this._root ).uuid, - clipUuid = action._clip.uuid, - actionsForClip = this._actionsByClip[ clipUuid ]; + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight ); - this._bindAction( action, - actionsForClip && actionsForClip.knownActions[ 0 ] ); + }; - this._addInactiveAction( action, clipUuid, rootUuid ); + } )() - } + } ); - var bindings = action._propertyBindings; + /** + * Camera for rendering cube maps + * - renders scene into axis-aligned cube + * + * @author alteredq / http://alteredqualia.com/ + */ - // increment reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + function CubeCamera( near, far, cubeResolution ) { - var binding = bindings[ i ]; + Object3D.call( this ); - if ( binding.useCount ++ === 0 ) { + this.type = 'CubeCamera'; - this._lendBinding( binding ); - binding.saveOriginalState(); + var fov = 90, aspect = 1; - } + var cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); + this.add( cameraPX ); - } + var cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); + this.add( cameraNX ); - this._lendAction( action ); + var cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); + this.add( cameraPY ); - } + var cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); + this.add( cameraNY ); - }, + var cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); + this.add( cameraPZ ); - _deactivateAction: function( action ) { + var cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); + this.add( cameraNZ ); - if ( this._isActiveAction( action ) ) { + var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter }; - var bindings = action._propertyBindings; + this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options ); - // decrement reference counts / sort out state - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + this.updateCubeMap = function ( renderer, scene ) { - var binding = bindings[ i ]; + if ( this.parent === null ) this.updateMatrixWorld(); - if ( -- binding.useCount === 0 ) { + var renderTarget = this.renderTarget; + var generateMipmaps = renderTarget.texture.generateMipmaps; - binding.restoreOriginalState(); - this._takeBackBinding( binding ); + renderTarget.texture.generateMipmaps = false; - } + renderTarget.activeCubeFace = 0; + renderer.render( scene, cameraPX, renderTarget ); - } + renderTarget.activeCubeFace = 1; + renderer.render( scene, cameraNX, renderTarget ); - this._takeBackAction( action ); + renderTarget.activeCubeFace = 2; + renderer.render( scene, cameraPY, renderTarget ); - } + renderTarget.activeCubeFace = 3; + renderer.render( scene, cameraNY, renderTarget ); - }, + renderTarget.activeCubeFace = 4; + renderer.render( scene, cameraPZ, renderTarget ); - // Memory manager + renderTarget.texture.generateMipmaps = generateMipmaps; - _initMemoryManager: function() { + renderTarget.activeCubeFace = 5; + renderer.render( scene, cameraNZ, renderTarget ); - this._actions = []; // 'nActiveActions' followed by inactive ones - this._nActiveActions = 0; + renderer.setRenderTarget( null ); - this._actionsByClip = {}; - // inside: - // { - // knownActions: Array< AnimationAction > - used as prototypes - // actionByRoot: AnimationAction - lookup - // } + }; + } - this._bindings = []; // 'nActiveBindings' followed by inactive ones - this._nActiveBindings = 0; + CubeCamera.prototype = Object.create( Object3D.prototype ); + CubeCamera.prototype.constructor = CubeCamera; - this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + /** + * @author mrdoob / http://mrdoob.com/ + */ + function AudioListener() { - this._controlInterpolants = []; // same game as above - this._nActiveControlInterpolants = 0; + Object3D.call( this ); - var scope = this; + this.type = 'AudioListener'; - this.stats = { + this.context = getAudioContext(); - actions: { - get total() { return scope._actions.length; }, - get inUse() { return scope._nActiveActions; } - }, - bindings: { - get total() { return scope._bindings.length; }, - get inUse() { return scope._nActiveBindings; } - }, - controlInterpolants: { - get total() { return scope._controlInterpolants.length; }, - get inUse() { return scope._nActiveControlInterpolants; } - } + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); - }; + this.filter = null; - }, + } - // Memory management for AnimationAction objects + AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), { - _isActiveAction: function( action ) { + constructor: AudioListener, - var index = action._cacheIndex; - return index !== null && index < this._nActiveActions; + getInput: function () { + + return this.gain; }, - _addInactiveAction: function( action, clipUuid, rootUuid ) { + removeFilter: function ( ) { - var actions = this._actions, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ]; + if ( this.filter !== null ) { - if ( actionsForClip === undefined ) { + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; - actionsForClip = { + } - knownActions: [ action ], - actionByRoot: {} + }, - }; + getFilter: function () { - action._byClipCacheIndex = 0; + return this.filter; - actionsByClip[ clipUuid ] = actionsForClip; + }, - } else { + setFilter: function ( value ) { - var knownActions = actionsForClip.knownActions; + if ( this.filter !== null ) { - action._byClipCacheIndex = knownActions.length; - knownActions.push( action ); + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); - } + } else { - action._cacheIndex = actions.length; - actions.push( action ); + this.gain.disconnect( this.context.destination ); - actionsForClip.actionByRoot[ rootUuid ] = action; + } - }, + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); - _removeInactiveAction: function( action ) { + }, - var actions = this._actions, - lastInactiveAction = actions[ actions.length - 1 ], - cacheIndex = action._cacheIndex; + getMasterVolume: function () { - lastInactiveAction._cacheIndex = cacheIndex; - actions[ cacheIndex ] = lastInactiveAction; - actions.pop(); + return this.gain.gain.value; - action._cacheIndex = null; + }, + setMasterVolume: function ( value ) { - var clipUuid = action._clip.uuid, - actionsByClip = this._actionsByClip, - actionsForClip = actionsByClip[ clipUuid ], - knownActionsForClip = actionsForClip.knownActions, + this.gain.gain.value = value; - lastKnownAction = - knownActionsForClip[ knownActionsForClip.length - 1 ], + }, - byClipCacheIndex = action._byClipCacheIndex; + updateMatrixWorld: ( function () { - lastKnownAction._byClipCacheIndex = byClipCacheIndex; - knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; - knownActionsForClip.pop(); + var position = new Vector3(); + var quaternion = new Quaternion(); + var scale = new Vector3(); - action._byClipCacheIndex = null; + var orientation = new Vector3(); + return function updateMatrixWorld( force ) { - var actionByRoot = actionsForClip.actionByRoot, - rootUuid = ( actions._localRoot || this._root ).uuid; + Object3D.prototype.updateMatrixWorld.call( this, force ); - delete actionByRoot[ rootUuid ]; + var listener = this.context.listener; + var up = this.up; - if ( knownActionsForClip.length === 0 ) { + this.matrixWorld.decompose( position, quaternion, scale ); - delete actionsByClip[ clipUuid ]; + orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion ); - } + listener.setPosition( position.x, position.y, position.z ); + listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z ); - this._removeInactiveBindingsForAction( action ); + }; - }, + } )() - _removeInactiveBindingsForAction: function( action ) { + } ); - var bindings = action._propertyBindings; - for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author Reece Aaron Lecrivain / http://reecenotes.com/ + */ - var binding = bindings[ i ]; + function Audio( listener ) { - if ( -- binding.referenceCount === 0 ) { + Object3D.call( this ); - this._removeInactiveBinding( binding ); + this.type = 'Audio'; - } + this.context = listener.context; + this.source = this.context.createBufferSource(); + this.source.onended = this.onEnded.bind( this ); - } + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); - }, + this.autoplay = false; - _lendAction: function( action ) { + this.startTime = 0; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.sourceType = 'empty'; - // [ active actions | inactive actions ] - // [ active actions >| inactive actions ] - // s a - // <-swap-> - // a s + this.filters = []; - var actions = this._actions, - prevIndex = action._cacheIndex, + } - lastActiveIndex = this._nActiveActions ++, + Audio.prototype = Object.assign( Object.create( Object3D.prototype ), { - firstInactiveAction = actions[ lastActiveIndex ]; + constructor: Audio, - action._cacheIndex = lastActiveIndex; - actions[ lastActiveIndex ] = action; + getOutput: function () { - firstInactiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = firstInactiveAction; + return this.gain; }, - _takeBackAction: function( action ) { + setNodeSource: function ( audioNode ) { - // [ active actions | inactive actions ] - // [ active actions |< inactive actions ] - // a s - // <-swap-> - // s a + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); - var actions = this._actions, - prevIndex = action._cacheIndex, + return this; - firstInactiveIndex = -- this._nActiveActions, + }, - lastActiveAction = actions[ firstInactiveIndex ]; + setBuffer: function ( audioBuffer ) { - action._cacheIndex = firstInactiveIndex; - actions[ firstInactiveIndex ] = action; + this.source.buffer = audioBuffer; + this.sourceType = 'buffer'; - lastActiveAction._cacheIndex = prevIndex; - actions[ prevIndex ] = lastActiveAction; + if ( this.autoplay ) this.play(); + + return this; }, - // Memory management for PropertyMixer objects + play: function () { - _addInactiveBinding: function( binding, rootUuid, trackName ) { + if ( this.isPlaying === true ) { - var bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; - bindings = this._bindings; + } - if ( bindingByName === undefined ) { + if ( this.hasPlaybackControl === false ) { - bindingByName = {}; - bindingsByRoot[ rootUuid ] = bindingByName; + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; } - bindingByName[ trackName ] = binding; + var source = this.context.createBufferSource(); - binding._cacheIndex = bindings.length; - bindings.push( binding ); + source.buffer = this.source.buffer; + source.loop = this.source.loop; + source.onended = this.source.onended; + source.start( 0, this.startTime ); + source.playbackRate.value = this.playbackRate; - }, + this.isPlaying = true; - _removeInactiveBinding: function( binding ) { + this.source = source; - var bindings = this._bindings, - propBinding = binding.binding, - rootUuid = propBinding.rootNode.uuid, - trackName = propBinding.path, - bindingsByRoot = this._bindingsByRootAndName, - bindingByName = bindingsByRoot[ rootUuid ], + return this.connect(); - lastInactiveBinding = bindings[ bindings.length - 1 ], - cacheIndex = binding._cacheIndex; + }, - lastInactiveBinding._cacheIndex = cacheIndex; - bindings[ cacheIndex ] = lastInactiveBinding; - bindings.pop(); + pause: function () { - delete bindingByName[ trackName ]; + if ( this.hasPlaybackControl === false ) { - remove_empty_map: { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - for ( var _ in bindingByName ) break remove_empty_map; + } - delete bindingsByRoot[ rootUuid ]; + this.source.stop(); + this.startTime = this.context.currentTime; + this.isPlaying = false; - } + return this; }, - _lendBinding: function( binding ) { + stop: function () { - var bindings = this._bindings, - prevIndex = binding._cacheIndex, + if ( this.hasPlaybackControl === false ) { - lastActiveIndex = this._nActiveBindings ++, + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - firstInactiveBinding = bindings[ lastActiveIndex ]; + } - binding._cacheIndex = lastActiveIndex; - bindings[ lastActiveIndex ] = binding; + this.source.stop(); + this.startTime = 0; + this.isPlaying = false; - firstInactiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = firstInactiveBinding; + return this; }, - _takeBackBinding: function( binding ) { + connect: function () { - var bindings = this._bindings, - prevIndex = binding._cacheIndex, + if ( this.filters.length > 0 ) { - firstInactiveIndex = -- this._nActiveBindings, + this.source.connect( this.filters[ 0 ] ); - lastActiveBinding = bindings[ firstInactiveIndex ]; + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - binding._cacheIndex = firstInactiveIndex; - bindings[ firstInactiveIndex ] = binding; + this.filters[ i - 1 ].connect( this.filters[ i ] ); - lastActiveBinding._cacheIndex = prevIndex; - bindings[ prevIndex ] = lastActiveBinding; + } - }, + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + } else { - // Memory management of Interpolants for weight and time scale + this.source.connect( this.getOutput() ); - _lendControlInterpolant: function() { + } - var interpolants = this._controlInterpolants, - lastActiveIndex = this._nActiveControlInterpolants ++, - interpolant = interpolants[ lastActiveIndex ]; + return this; - if ( interpolant === undefined ) { + }, - interpolant = new LinearInterpolant( - new Float32Array( 2 ), new Float32Array( 2 ), - 1, this._controlInterpolantsResultBuffer ); + disconnect: function () { - interpolant.__cacheIndex = lastActiveIndex; - interpolants[ lastActiveIndex ] = interpolant; + if ( this.filters.length > 0 ) { - } + this.source.disconnect( this.filters[ 0 ] ); - return interpolant; + for ( var i = 1, l = this.filters.length; i < l; i ++ ) { - }, + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); - _takeBackControlInterpolant: function( interpolant ) { + } - var interpolants = this._controlInterpolants, - prevIndex = interpolant.__cacheIndex, + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); - firstInactiveIndex = -- this._nActiveControlInterpolants, + } else { - lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + this.source.disconnect( this.getOutput() ); - interpolant.__cacheIndex = firstInactiveIndex; - interpolants[ firstInactiveIndex ] = interpolant; + } - lastActiveInterpolant.__cacheIndex = prevIndex; - interpolants[ prevIndex ] = lastActiveInterpolant; + return this; }, - _controlInterpolantsResultBuffer: new Float32Array( 1 ) + getFilters: function () { - } ); + return this.filters; - /** - * @author mrdoob / http://mrdoob.com/ - */ + }, - function Uniform( value ) { + setFilters: function ( value ) { - if ( typeof value === 'string' ) { + if ( ! value ) value = []; - console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); - value = arguments[ 1 ]; + if ( this.isPlaying === true ) { - } + this.disconnect(); + this.filters = value; + this.connect(); - this.value = value; + } else { - } + this.filters = value; - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + } - function InstancedBufferGeometry() { + return this; - BufferGeometry.call( this ); + }, - this.type = 'InstancedBufferGeometry'; - this.maxInstancedCount = undefined; + getFilter: function () { - } + return this.getFilters()[ 0 ]; - InstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); - InstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry; + }, - InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true; + setFilter: function ( filter ) { - InstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) { + return this.setFilters( filter ? [ filter ] : [] ); - this.groups.push( { + }, - start: start, - count: count, - materialIndex: materialIndex + setPlaybackRate: function ( value ) { - } ); + if ( this.hasPlaybackControl === false ) { - }; + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - InstancedBufferGeometry.prototype.copy = function ( source ) { + } - var index = source.index; + this.playbackRate = value; - if ( index !== null ) { + if ( this.isPlaying === true ) { - this.setIndex( index.clone() ); + this.source.playbackRate.value = this.playbackRate; - } + } - var attributes = source.attributes; + return this; - for ( var name in attributes ) { + }, - var attribute = attributes[ name ]; - this.addAttribute( name, attribute.clone() ); + getPlaybackRate: function () { - } + return this.playbackRate; - var groups = source.groups; + }, - for ( var i = 0, l = groups.length; i < l; i ++ ) { + onEnded: function () { - var group = groups[ i ]; - this.addGroup( group.start, group.count, group.materialIndex ); + this.isPlaying = false; - } + }, - return this; + getLoop: function () { - }; + if ( this.hasPlaybackControl === false ) { - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; - function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { + } - this.uuid = _Math.generateUUID(); + return this.source.loop; - this.data = interleavedBuffer; - this.itemSize = itemSize; - this.offset = offset; + }, - this.normalized = normalized === true; + setLoop: function ( value ) { - } + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; - InterleavedBufferAttribute.prototype = { + } - constructor: InterleavedBufferAttribute, + this.source.loop = value; - isInterleavedBufferAttribute: true, + }, - get count() { + getVolume: function () { - return this.data.count; + return this.gain.gain.value; }, - get array() { - return this.data.array; + setVolume: function ( value ) { - }, + this.gain.gain.value = value; - setX: function ( index, x ) { + return this; - this.data.array[ index * this.data.stride + this.offset ] = x; + } - return this; + } ); - }, + /** + * @author mrdoob / http://mrdoob.com/ + */ - setY: function ( index, y ) { + function PositionalAudio( listener ) { - this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + Audio.call( this, listener ); - return this; + this.panner = this.context.createPanner(); + this.panner.connect( this.gain ); - }, + } - setZ: function ( index, z ) { + PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), { - this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + constructor: PositionalAudio, - return this; + getOutput: function () { - }, + return this.panner; - setW: function ( index, w ) { + }, - this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + getRefDistance: function () { - return this; + return this.panner.refDistance; }, - getX: function ( index ) { + setRefDistance: function ( value ) { - return this.data.array[ index * this.data.stride + this.offset ]; + this.panner.refDistance = value; }, - getY: function ( index ) { + getRolloffFactor: function () { - return this.data.array[ index * this.data.stride + this.offset + 1 ]; + return this.panner.rolloffFactor; }, - getZ: function ( index ) { + setRolloffFactor: function ( value ) { - return this.data.array[ index * this.data.stride + this.offset + 2 ]; + this.panner.rolloffFactor = value; }, - getW: function ( index ) { + getDistanceModel: function () { - return this.data.array[ index * this.data.stride + this.offset + 3 ]; + return this.panner.distanceModel; }, - setXY: function ( index, x, y ) { + setDistanceModel: function ( value ) { - index = index * this.data.stride + this.offset; + this.panner.distanceModel = value; - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; + }, - return this; + getMaxDistance: function () { + + return this.panner.maxDistance; }, - setXYZ: function ( index, x, y, z ) { + setMaxDistance: function ( value ) { - index = index * this.data.stride + this.offset; + this.panner.maxDistance = value; - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; + }, - return this; + updateMatrixWorld: ( function () { - }, + var position = new Vector3(); - setXYZW: function ( index, x, y, z, w ) { + return function updateMatrixWorld( force ) { - index = index * this.data.stride + this.offset; + Object3D.prototype.updateMatrixWorld.call( this, force ); - this.data.array[ index + 0 ] = x; - this.data.array[ index + 1 ] = y; - this.data.array[ index + 2 ] = z; - this.data.array[ index + 3 ] = w; + position.setFromMatrixPosition( this.matrixWorld ); - return this; + this.panner.setPosition( position.x, position.y, position.z ); - } + }; - }; + } )() + + + } ); /** - * @author benaadams / https://twitter.com/ben_a_adams + * @author mrdoob / http://mrdoob.com/ */ - function InterleavedBuffer( array, stride ) { - - this.uuid = _Math.generateUUID(); + function AudioAnalyser( audio, fftSize ) { - this.array = array; - this.stride = stride; - this.count = array !== undefined ? array.length / stride : 0; + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048; - this.dynamic = false; - this.updateRange = { offset: 0, count: - 1 }; + this.data = new Uint8Array( this.analyser.frequencyBinCount ); - this.version = 0; + audio.getOutput().connect( this.analyser ); } - InterleavedBuffer.prototype = { - - constructor: InterleavedBuffer, + Object.assign( AudioAnalyser.prototype, { - isInterleavedBuffer: true, + getFrequencyData: function () { - set needsUpdate( value ) { + this.analyser.getByteFrequencyData( this.data ); - if ( value === true ) this.version ++; + return this.data; }, - setArray: function ( array ) { + getAverageFrequency: function () { - if ( Array.isArray( array ) ) { + var value = 0, data = this.getFrequencyData(); - throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + for ( var i = 0; i < data.length; i ++ ) { + + value += data[ i ]; } - this.count = array !== undefined ? array.length / this.stride : 0; - this.array = array; + return value / data.length; - }, + } - setDynamic: function ( value ) { + } ); - this.dynamic = value; + /** + * + * Buffered scene graph property that allows weighted accumulation. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - return this; + function PropertyMixer( binding, typeName, valueSize ) { - }, + this.binding = binding; + this.valueSize = valueSize; - copy: function ( source ) { + var bufferType = Float64Array, + mixFunction; - this.array = new source.array.constructor( source.array ); - this.count = source.count; - this.stride = source.stride; - this.dynamic = source.dynamic; + switch ( typeName ) { - return this; + case 'quaternion': mixFunction = this._slerp; break; - }, + case 'string': + case 'bool': - copyAt: function ( index1, attribute, index2 ) { + bufferType = Array, mixFunction = this._select; break; - index1 *= this.stride; - index2 *= attribute.stride; + default: mixFunction = this._lerp; - for ( var i = 0, l = this.stride; i < l; i ++ ) { + } - this.array[ index1 + i ] = attribute.array[ index2 + i ]; + this.buffer = new bufferType( valueSize * 4 ); + // layout: [ incoming | accu0 | accu1 | orig ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property - } + this._mixBufferRegion = mixFunction; - return this; + this.cumulativeWeight = 0; - }, + this.useCount = 0; + this.referenceCount = 0; - set: function ( value, offset ) { + } - if ( offset === undefined ) offset = 0; + PropertyMixer.prototype = { - this.array.set( value, offset ); + constructor: PropertyMixer, - return this; + // accumulate data in the 'incoming' region into 'accu' + accumulate: function( accuIndex, weight ) { - }, + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place - clone: function () { + var buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride, - return new this.constructor().copy( this ); + currentWeight = this.cumulativeWeight; - } + if ( currentWeight === 0 ) { - }; + // accuN := incoming * weight - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + for ( var i = 0; i !== stride; ++ i ) { - function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { + buffer[ offset + i ] = buffer[ i ]; - InterleavedBuffer.call( this, array, stride ); + } - this.meshPerAttribute = meshPerAttribute || 1; + currentWeight = weight; - } + } else { - InstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype ); - InstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer; + // accuN := accuN + incoming * weight - InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true; + currentWeight += weight; + var mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); - InstancedInterleavedBuffer.prototype.copy = function ( source ) { + } - InterleavedBuffer.prototype.copy.call( this, source ); + this.cumulativeWeight = currentWeight; - this.meshPerAttribute = source.meshPerAttribute; + }, - return this; + // apply the state of 'accu' to the binding when accus differ + apply: function( accuIndex ) { - }; + var stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, - /** - * @author benaadams / https://twitter.com/ben_a_adams - */ + weight = this.cumulativeWeight, - function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) { + binding = this.binding; - BufferAttribute.call( this, array, itemSize ); + this.cumulativeWeight = 0; - this.meshPerAttribute = meshPerAttribute || 1; + if ( weight < 1 ) { - } + // accuN := accuN + original * ( 1 - cumulativeWeight ) - InstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); - InstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute; + var originalValueOffset = stride * 3; - InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true; + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); - InstancedBufferAttribute.prototype.copy = function ( source ) { + } - BufferAttribute.prototype.copy.call( this, source ); + for ( var i = stride, e = stride + stride; i !== e; ++ i ) { - this.meshPerAttribute = source.meshPerAttribute; + if ( buffer[ i ] !== buffer[ i + stride ] ) { - return this; + // value has changed -> update scene graph - }; + binding.setValue( buffer, offset ); + break; - /** - * @author mrdoob / http://mrdoob.com/ - * @author bhouston / http://clara.io/ - * @author stephomi / http://stephaneginier.com/ - */ + } - function Raycaster( origin, direction, near, far ) { + } - this.ray = new Ray( origin, direction ); - // direction is assumed to be normalized (for accurate distance calculations) + }, - this.near = near || 0; - this.far = far || Infinity; + // remember the state of the bound property and copy it to both accus + saveOriginalState: function() { - this.params = { - Mesh: {}, - Line: {}, - LOD: {}, - Points: { threshold: 1 }, - Sprite: {} - }; + var binding = this.binding; - Object.defineProperties( this.params, { - PointCloud: { - get: function () { - console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); - return this.Points; - } - } - } ); + var buffer = this.buffer, + stride = this.valueSize, - } + originalValueOffset = stride * 3; - function ascSort( a, b ) { + binding.getValue( buffer, originalValueOffset ); - return a.distance - b.distance; + // accu[0..1] := orig -- initially detect changes against the original + for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) { - } + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; - function intersectObject( object, raycaster, intersects, recursive ) { + } - if ( object.visible === false ) return; + this.cumulativeWeight = 0; - object.raycast( raycaster, intersects ); + }, - if ( recursive === true ) { + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState: function() { - var children = object.children; + var originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); - for ( var i = 0, l = children.length; i < l; i ++ ) { + }, - intersectObject( children[ i ], raycaster, intersects, true ); - } + // mix functions - } + _select: function( buffer, dstOffset, srcOffset, t, stride ) { - } + if ( t >= 0.5 ) { - // + for ( var i = 0; i !== stride; ++ i ) { - Raycaster.prototype = { + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; - constructor: Raycaster, + } - linePrecision: 1, + } - set: function ( origin, direction ) { + }, - // direction is assumed to be normalized (for accurate distance calculations) + _slerp: function( buffer, dstOffset, srcOffset, t, stride ) { - this.ray.set( origin, direction ); + Quaternion.slerpFlat( buffer, dstOffset, + buffer, dstOffset, buffer, srcOffset, t ); }, - setFromCamera: function ( coords, camera ) { - - if ( (camera && camera.isPerspectiveCamera) ) { - - this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); - this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + _lerp: function( buffer, dstOffset, srcOffset, t, stride ) { - } else if ( (camera && camera.isOrthographicCamera) ) { + var s = 1 - t; - this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera - this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + for ( var i = 0; i !== stride; ++ i ) { - } else { + var j = dstOffset + i; - console.error( 'THREE.Raycaster: Unsupported camera type.' ); + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; } - }, - - intersectObject: function ( object, recursive ) { - - var intersects = []; - - intersectObject( object, this, intersects, recursive ); - - intersects.sort( ascSort ); - - return intersects; - - }, - - intersectObjects: function ( objects, recursive ) { - - var intersects = []; - - if ( Array.isArray( objects ) === false ) { - - console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); - return intersects; - - } - - for ( var i = 0, l = objects.length; i < l; i ++ ) { - - intersectObject( objects[ i ], this, intersects, recursive ); - - } - - intersects.sort( ascSort ); - - return intersects; - } }; /** - * @author alteredq / http://alteredqualia.com/ + * + * A reference to a real property in the scene graph. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw */ - function Clock( autoStart ) { + function PropertyBinding( rootNode, path, parsedPath ) { - this.autoStart = ( autoStart !== undefined ) ? autoStart : true; + this.path = path; + this.parsedPath = parsedPath || + PropertyBinding.parseTrackName( path ); - this.startTime = 0; - this.oldTime = 0; - this.elapsedTime = 0; + this.node = PropertyBinding.findNode( + rootNode, this.parsedPath.nodeName ) || rootNode; - this.running = false; + this.rootNode = rootNode; } - Clock.prototype = { + PropertyBinding.prototype = { - constructor: Clock, + constructor: PropertyBinding, - start: function () { + getValue: function getValue_unbound( targetArray, offset ) { - this.startTime = ( performance || Date ).now(); + this.bind(); + this.getValue( targetArray, offset ); - this.oldTime = this.startTime; - this.elapsedTime = 0; - this.running = true; + // Note: This class uses a State pattern on a per-method basis: + // 'bind' sets 'this.getValue' / 'setValue' and shadows the + // prototype version of these methods with one that represents + // the bound state. When the property is not found, the methods + // become no-ops. }, - stop: function () { + setValue: function getValue_unbound( sourceArray, offset ) { - this.getElapsedTime(); - this.running = false; + this.bind(); + this.setValue( sourceArray, offset ); }, - getElapsedTime: function () { - - this.getDelta(); - return this.elapsedTime; + // create getter / setter pair for a property in the scene graph + bind: function() { - }, + var targetObject = this.node, + parsedPath = this.parsedPath, - getDelta: function () { + objectName = parsedPath.objectName, + propertyName = parsedPath.propertyName, + propertyIndex = parsedPath.propertyIndex; - var diff = 0; + if ( ! targetObject ) { - if ( this.autoStart && ! this.running ) { + targetObject = PropertyBinding.findNode( + this.rootNode, parsedPath.nodeName ) || this.rootNode; - this.start(); + this.node = targetObject; } - if ( this.running ) { - - var newTime = ( performance || Date ).now(); + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; - diff = ( newTime - this.oldTime ) / 1000; - this.oldTime = newTime; + // ensure there is a value node + if ( ! targetObject ) { - this.elapsedTime += diff; + console.error( " trying to update node for track: " + this.path + " but it wasn't found." ); + return; } - return diff; + if ( objectName ) { - } + var objectIndex = parsedPath.objectIndex; - }; + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { - /** - * Spline from Tween.js, slightly optimized (and trashed) - * http://sole.github.com/tween.js/examples/05_spline.html - * - * @author mrdoob / http://mrdoob.com/ - * @author alteredq / http://alteredqualia.com/ - */ + case 'materials': - function Spline( points ) { + if ( ! targetObject.material ) { - this.points = points; + console.error( ' can not bind to material as node does not have a material', this ); + return; - var c = [], v3 = { x: 0, y: 0, z: 0 }, - point, intPoint, weight, w2, w3, - pa, pb, pc, pd; + } - this.initFromArray = function ( a ) { + if ( ! targetObject.material.materials ) { - this.points = []; + console.error( ' can not bind to material.materials as node.material does not have a materials array', this ); + return; - for ( var i = 0; i < a.length; i ++ ) { + } - this.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] }; + targetObject = targetObject.material.materials; - } + break; - }; + case 'bones': - this.getPoint = function ( k ) { + if ( ! targetObject.skeleton ) { - point = ( this.points.length - 1 ) * k; - intPoint = Math.floor( point ); - weight = point - intPoint; + console.error( ' can not bind to bones as node does not have a skeleton', this ); + return; - c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1; - c[ 1 ] = intPoint; - c[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1; - c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2; + } - pa = this.points[ c[ 0 ] ]; - pb = this.points[ c[ 1 ] ]; - pc = this.points[ c[ 2 ] ]; - pd = this.points[ c[ 3 ] ]; + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. - w2 = weight * weight; - w3 = weight * w2; + targetObject = targetObject.skeleton.bones; - v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 ); - v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 ); - v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 ); + // support resolving morphTarget names into indices. + for ( var i = 0; i < targetObject.length; i ++ ) { - return v3; + if ( targetObject[ i ].name === objectIndex ) { - }; + objectIndex = i; + break; - this.getControlPointsArray = function () { + } - var i, p, l = this.points.length, - coords = []; + } - for ( i = 0; i < l; i ++ ) { + break; - p = this.points[ i ]; - coords[ i ] = [ p.x, p.y, p.z ]; + default: - } + if ( targetObject[ objectName ] === undefined ) { - return coords; + console.error( ' can not bind to objectName of node, undefined', this ); + return; - }; + } - // approximate length by summing linear segments + targetObject = targetObject[ objectName ]; - this.getLength = function ( nSubDivisions ) { + } - var i, index, nSamples, position, - point = 0, intPoint = 0, oldIntPoint = 0, - oldPosition = new Vector3(), - tmpVec = new Vector3(), - chunkLengths = [], - totalLength = 0; - // first point has 0 length + if ( objectIndex !== undefined ) { - chunkLengths[ 0 ] = 0; + if ( targetObject[ objectIndex ] === undefined ) { - if ( ! nSubDivisions ) nSubDivisions = 100; + console.error( " trying to bind to objectIndex of objectName, but is undefined:", this, targetObject ); + return; - nSamples = this.points.length * nSubDivisions; + } - oldPosition.copy( this.points[ 0 ] ); + targetObject = targetObject[ objectIndex ]; - for ( i = 1; i < nSamples; i ++ ) { + } - index = i / nSamples; + } - position = this.getPoint( index ); - tmpVec.copy( position ); + // resolve property + var nodeProperty = targetObject[ propertyName ]; - totalLength += tmpVec.distanceTo( oldPosition ); + if ( nodeProperty === undefined ) { - oldPosition.copy( position ); + var nodeName = parsedPath.nodeName; - point = ( this.points.length - 1 ) * index; - intPoint = Math.floor( point ); + console.error( " trying to update property for track: " + nodeName + + '.' + propertyName + " but it wasn't found.", targetObject ); + return; - if ( intPoint !== oldIntPoint ) { + } - chunkLengths[ intPoint ] = totalLength; - oldIntPoint = intPoint; + // determine versioning scheme + var versioning = this.Versioning.None; - } + if ( targetObject.needsUpdate !== undefined ) { // material - } + versioning = this.Versioning.NeedsUpdate; + this.targetObject = targetObject; - // last point ends with total length + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform - chunkLengths[ chunkLengths.length ] = totalLength; + versioning = this.Versioning.MatrixWorldNeedsUpdate; + this.targetObject = targetObject; - return { chunks: chunkLengths, total: totalLength }; + } - }; + // determine how the property gets bound + var bindingType = this.BindingType.Direct; - this.reparametrizeByArcLength = function ( samplingCoef ) { + if ( propertyIndex !== undefined ) { + // access a sub element of the property array (only primitives are supported right now) - var i, j, - index, indexCurrent, indexNext, - realDistance, - sampling, position, - newpoints = [], - tmpVec = new Vector3(), - sl = this.getLength(); + if ( propertyName === "morphTargetInfluences" ) { + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. - newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() ); + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { - for ( i = 1; i < this.points.length; i ++ ) { + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this ); + return; - //tmpVec.copy( this.points[ i - 1 ] ); - //linearDistance = tmpVec.distanceTo( this.points[ i ] ); + } - realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ]; + if ( ! targetObject.geometry.morphTargets ) { - sampling = Math.ceil( samplingCoef * realDistance / sl.total ); + console.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this ); + return; - indexCurrent = ( i - 1 ) / ( this.points.length - 1 ); - indexNext = i / ( this.points.length - 1 ); + } - for ( j = 1; j < sampling - 1; j ++ ) { + for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) { - index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent ); + if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) { - position = this.getPoint( index ); - newpoints.push( tmpVec.copy( position ).clone() ); + propertyIndex = i; + break; - } + } - newpoints.push( tmpVec.copy( this.points[ i ] ).clone() ); + } - } + } - this.points = newpoints; + bindingType = this.BindingType.ArrayElement; - }; + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; - // Catmull-Rom + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + // must use copy for Object3D.Euler/Quaternion - function interpolate( p0, p1, p2, p3, t, t2, t3 ) { + bindingType = this.BindingType.HasFromToArray; - var v0 = ( p2 - p0 ) * 0.5, - v1 = ( p3 - p1 ) * 0.5; + this.resolvedProperty = nodeProperty; - return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1; + } else if ( nodeProperty.length !== undefined ) { - } + bindingType = this.BindingType.EntireArray; - } + this.resolvedProperty = nodeProperty; - /** - * @author bhouston / http://clara.io - * @author WestLangley / http://github.com/WestLangley - * - * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system - * - * The poles (phi) are at the positive and negative y axis. - * The equator starts at positive z. - */ + } else { - function Spherical( radius, phi, theta ) { + this.propertyName = propertyName; - this.radius = ( radius !== undefined ) ? radius : 1.0; - this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole - this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere + } - return this; + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; - } + }, - Spherical.prototype = { + unbind: function() { - constructor: Spherical, + this.node = null; - set: function ( radius, phi, theta ) { + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; - this.radius = radius; - this.phi = phi; - this.theta = theta; + } - return this; + }; - }, + Object.assign( PropertyBinding.prototype, { // prototype, continued - clone: function () { + // these are used to "bind" a nonexistent property + _getValue_unavailable: function() {}, + _setValue_unavailable: function() {}, - return new this.constructor().copy( this ); + // initial state of these methods that calls 'bind' + _getValue_unbound: PropertyBinding.prototype.getValue, + _setValue_unbound: PropertyBinding.prototype.setValue, + BindingType: { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 }, - copy: function ( other ) { + Versioning: { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 + }, - this.radius = other.radius; - this.phi = other.phi; - this.theta = other.theta; + GetterByBindingType: [ - return this; + function getValue_direct( buffer, offset ) { - }, + buffer[ offset ] = this.node[ this.propertyName ]; - // restrict phi to be betwee EPS and PI-EPS - makeSafe: function() { + }, - var EPS = 0.000001; - this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + function getValue_array( buffer, offset ) { - return this; + var source = this.resolvedProperty; - }, + for ( var i = 0, n = source.length; i !== n; ++ i ) { - setFromVector3: function( vec3 ) { + buffer[ offset ++ ] = source[ i ]; - this.radius = vec3.length(); + } - if ( this.radius === 0 ) { + }, - this.theta = 0; - this.phi = 0; + function getValue_arrayElement( buffer, offset ) { - } else { + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; - this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis - this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle + }, - } + function getValue_toArray( buffer, offset ) { - return this; + this.resolvedProperty.toArray( buffer, offset ); - }, + } - }; + ], - /** - * @author alteredq / http://alteredqualia.com/ - */ + SetterByBindingTypeAndVersioning: [ - function MorphBlendMesh( geometry, material ) { + [ + // Direct - Mesh.call( this, geometry, material ); + function setValue_direct( buffer, offset ) { - this.animationsMap = {}; - this.animationsList = []; + this.node[ this.propertyName ] = buffer[ offset ]; - // prepare default animation - // (all frames played together in 1 second) + }, - var numFrames = this.geometry.morphTargets.length; + function setValue_direct_setNeedsUpdate( buffer, offset ) { - var name = "__default"; + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; - var startFrame = 0; - var endFrame = numFrames - 1; + }, - var fps = numFrames / 1; + function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { - this.createAnimation( name, startFrame, endFrame, fps ); - this.setAnimationWeight( name, 1 ); + this.node[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; - } + } - MorphBlendMesh.prototype = Object.create( Mesh.prototype ); - MorphBlendMesh.prototype.constructor = MorphBlendMesh; + ], [ - MorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) { + // EntireArray - var animation = { + function setValue_array( buffer, offset ) { - start: start, - end: end, + var dest = this.resolvedProperty; - length: end - start + 1, + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - fps: fps, - duration: ( end - start ) / fps, + dest[ i ] = buffer[ offset ++ ]; - lastFrame: 0, - currentFrame: 0, + } - active: false, + }, - time: 0, - direction: 1, - weight: 1, + function setValue_array_setNeedsUpdate( buffer, offset ) { - directionBackwards: false, - mirroredLoop: false + var dest = this.resolvedProperty; - }; + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - this.animationsMap[ name ] = animation; - this.animationsList.push( animation ); + dest[ i ] = buffer[ offset ++ ]; - }; + } - MorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) { + this.targetObject.needsUpdate = true; - var pattern = /([a-z]+)_?(\d+)/i; + }, - var firstAnimation, frameRanges = {}; + function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { - var geometry = this.geometry; + var dest = this.resolvedProperty; - for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) { + for ( var i = 0, n = dest.length; i !== n; ++ i ) { - var morph = geometry.morphTargets[ i ]; - var chunks = morph.name.match( pattern ); + dest[ i ] = buffer[ offset ++ ]; - if ( chunks && chunks.length > 1 ) { + } - var name = chunks[ 1 ]; + this.targetObject.matrixWorldNeedsUpdate = true; - if ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity }; + } - var range = frameRanges[ name ]; + ], [ - if ( i < range.start ) range.start = i; - if ( i > range.end ) range.end = i; + // ArrayElement - if ( ! firstAnimation ) firstAnimation = name; + function setValue_arrayElement( buffer, offset ) { - } + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; - } + }, - for ( var name in frameRanges ) { + function setValue_arrayElement_setNeedsUpdate( buffer, offset ) { - var range = frameRanges[ name ]; - this.createAnimation( name, range.start, range.end, fps ); + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; - } + }, - this.firstAnimation = firstAnimation; + function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { - }; + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; - MorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) { + } - var animation = this.animationsMap[ name ]; + ], [ - if ( animation ) { + // HasToFromArray - animation.direction = 1; - animation.directionBackwards = false; + function setValue_fromArray( buffer, offset ) { - } + this.resolvedProperty.fromArray( buffer, offset ); - }; + }, - MorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) { + function setValue_fromArray_setNeedsUpdate( buffer, offset ) { - var animation = this.animationsMap[ name ]; + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; - if ( animation ) { + }, - animation.direction = - 1; - animation.directionBackwards = true; + function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { - } + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; - }; + } - MorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) { + ] - var animation = this.animationsMap[ name ]; + ] - if ( animation ) { + } ); - animation.fps = fps; - animation.duration = ( animation.end - animation.start ) / animation.fps; + PropertyBinding.Composite = + function( targetGroup, path, optionalParsedPath ) { - } + var parsedPath = optionalParsedPath || + PropertyBinding.parseTrackName( path ); + + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); }; - MorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) { + PropertyBinding.Composite.prototype = { - var animation = this.animationsMap[ name ]; + constructor: PropertyBinding.Composite, - if ( animation ) { + getValue: function( array, offset ) { - animation.duration = duration; - animation.fps = ( animation.end - animation.start ) / animation.duration; + this.bind(); // bind all binding - } + var firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; - }; + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); - MorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) { + }, - var animation = this.animationsMap[ name ]; + setValue: function( array, offset ) { - if ( animation ) { + var bindings = this._bindings; - animation.weight = weight; + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - } + bindings[ i ].setValue( array, offset ); - }; + } - MorphBlendMesh.prototype.setAnimationTime = function ( name, time ) { + }, - var animation = this.animationsMap[ name ]; + bind: function() { - if ( animation ) { + var bindings = this._bindings; - animation.time = time; + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - } + bindings[ i ].bind(); - }; + } - MorphBlendMesh.prototype.getAnimationTime = function ( name ) { + }, - var time = 0; + unbind: function() { - var animation = this.animationsMap[ name ]; + var bindings = this._bindings; - if ( animation ) { + for ( var i = this._targetGroup.nCachedObjects_, + n = bindings.length; i !== n; ++ i ) { - time = animation.time; + bindings[ i ].unbind(); - } + } - return time; + } }; - MorphBlendMesh.prototype.getAnimationDuration = function ( name ) { + PropertyBinding.create = function( root, path, parsedPath ) { - var duration = - 1; + if ( ! ( (root && root.isAnimationObjectGroup) ) ) { - var animation = this.animationsMap[ name ]; + return new PropertyBinding( root, path, parsedPath ); - if ( animation ) { + } else { - duration = animation.duration; + return new PropertyBinding.Composite( root, path, parsedPath ); } - return duration; - }; - MorphBlendMesh.prototype.playAnimation = function ( name ) { - - var animation = this.animationsMap[ name ]; + PropertyBinding.parseTrackName = function( trackName ) { - if ( animation ) { + // matches strings in the form of: + // nodeName.property + // nodeName.property[accessor] + // nodeName.material.property[accessor] + // uuid.property[accessor] + // uuid.objectName[objectIndex].propertyName[propertyIndex] + // parentName/nodeName.property + // parentName/parentName/nodeName.property[index] + // .bone[Armature.DEF_cog].position + // scene:helium_balloon_model:helium_balloon_model.position + // created and tested via https://regex101.com/#javascript - animation.time = 0; - animation.active = true; + var re = /^((?:\w+[\/:])*)(\w+)?(?:\.(\w+)(?:\[(.+)\])?)?\.(\w+)(?:\[(.+)\])?$/; + var matches = re.exec( trackName ); - } else { + if ( ! matches ) { - console.warn( "THREE.MorphBlendMesh: animation[" + name + "] undefined in .playAnimation()" ); + throw new Error( "cannot parse trackName at all: " + trackName ); } - }; - - MorphBlendMesh.prototype.stopAnimation = function ( name ) { - - var animation = this.animationsMap[ name ]; + var results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], // allowed to be null, specified root node. + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], + propertyIndex: matches[ 6 ] // allowed to be null, specifies that the whole property is set. + }; - if ( animation ) { + if ( results.propertyName === null || results.propertyName.length === 0 ) { - animation.active = false; + throw new Error( "can not parse propertyName from trackName: " + trackName ); } - }; + return results; - MorphBlendMesh.prototype.update = function ( delta ) { + }; - for ( var i = 0, il = this.animationsList.length; i < il; i ++ ) { + PropertyBinding.findNode = function( root, nodeName ) { - var animation = this.animationsList[ i ]; + if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { - if ( ! animation.active ) continue; + return root; - var frameTime = animation.duration / animation.length; + } - animation.time += animation.direction * delta; + // search into skeleton bones. + if ( root.skeleton ) { - if ( animation.mirroredLoop ) { + var searchSkeleton = function( skeleton ) { - if ( animation.time > animation.duration || animation.time < 0 ) { + for( var i = 0; i < skeleton.bones.length; i ++ ) { - animation.direction *= - 1; + var bone = skeleton.bones[ i ]; - if ( animation.time > animation.duration ) { + if ( bone.name === nodeName ) { - animation.time = animation.duration; - animation.directionBackwards = true; + return bone; } + } - if ( animation.time < 0 ) { + return null; - animation.time = 0; - animation.directionBackwards = false; + }; - } + var bone = searchSkeleton( root.skeleton ); - } + if ( bone ) { - } else { + return bone; - animation.time = animation.time % animation.duration; + } + } - if ( animation.time < 0 ) animation.time += animation.duration; + // search into node subtree. + if ( root.children ) { - } + var searchNodeSubtree = function( children ) { - var keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 ); - var weight = animation.weight; + for( var i = 0; i < children.length; i ++ ) { - if ( keyframe !== animation.currentFrame ) { + var childNode = children[ i ]; - this.morphTargetInfluences[ animation.lastFrame ] = 0; - this.morphTargetInfluences[ animation.currentFrame ] = 1 * weight; + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { - this.morphTargetInfluences[ keyframe ] = 0; + return childNode; - animation.lastFrame = animation.currentFrame; - animation.currentFrame = keyframe; + } - } + var result = searchNodeSubtree( childNode.children ); - var mix = ( animation.time % frameTime ) / frameTime; + if ( result ) return result; - if ( animation.directionBackwards ) mix = 1 - mix; + } - if ( animation.currentFrame !== animation.lastFrame ) { + return null; - this.morphTargetInfluences[ animation.currentFrame ] = mix * weight; - this.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight; + }; - } else { + var subTreeNode = searchNodeSubtree( root.children ); - this.morphTargetInfluences[ animation.currentFrame ] = weight; + if ( subTreeNode ) { + + return subTreeNode; } } + return null; + }; /** - * @author alteredq / http://alteredqualia.com/ + * + * A group of objects that receives a shared animation state. + * + * Usage: + * + * - Add objects you would otherwise pass as 'root' to the + * constructor or the .clipAction method of AnimationMixer. + * + * - Instead pass this object as 'root'. + * + * - You can also add and remove objects later when the mixer + * is running. + * + * Note: + * + * Objects of this class appear as one object to the mixer, + * so cache control of the individual objects must be done + * on the group. + * + * Limitation: + * + * - The animated properties must be compatible among the + * all objects in the group. + * + * - A single property can either be controlled through a + * target group or directly, but not both. + * + * @author tschw */ - function ImmediateRenderObject( material ) { + function AnimationObjectGroup( var_args ) { - Object3D.call( this ); + this.uuid = _Math.generateUUID(); - this.material = material; - this.render = function ( renderCallback ) {}; + // cached objects followed by the active ones + this._objects = Array.prototype.slice.call( arguments ); - } + this.nCachedObjects_ = 0; // threshold + // note: read by PropertyBinding.Composite - ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); - ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; + var indices = {}; + this._indicesByUUID = indices; // for bookkeeping - ImmediateRenderObject.prototype.isImmediateRenderObject = true; + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + indices[ arguments[ i ].uuid ] = i; - function VertexNormalsHelper( object, size, hex, linewidth ) { + } - this.object = object; + this._paths = []; // inside: string + this._parsedPaths = []; // inside: { we don't care, here } + this._bindings = []; // inside: Array< PropertyBinding > + this._bindingsIndicesByPath = {}; // inside: indices in these arrays - this.size = ( size !== undefined ) ? size : 1; + var scope = this; - var color = ( hex !== undefined ) ? hex : 0xff0000; + this.stats = { - var width = ( linewidth !== undefined ) ? linewidth : 1; + objects: { + get total() { return scope._objects.length; }, + get inUse() { return this.total - scope.nCachedObjects_; } + }, - // + get bindingsPerObject() { return scope._bindings.length; } - var nNormals = 0; + }; - var objGeometry = this.object.geometry; + } - if ( (objGeometry && objGeometry.isGeometry) ) { + AnimationObjectGroup.prototype = { - nNormals = objGeometry.faces.length * 3; + constructor: AnimationObjectGroup, - } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + isAnimationObjectGroup: true, - nNormals = objGeometry.attributes.normal.count; + add: function( var_args ) { - } + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; - // + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - var geometry = new BufferGeometry(); + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + if ( index === undefined ) { - geometry.addAttribute( 'position', positions ); + // unknown object -> add it to the ACTIVE region - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); - // + // accounting is done, now do the same for all bindings - this.matrixAutoUpdate = false; + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - this.update(); + bindings[ j ].push( + new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ) ); - } + } - VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); - VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; + } else if ( index < nCachedObjects ) { - VertexNormalsHelper.prototype.update = ( function () { + var knownObject = objects[ index ]; - var v1 = new Vector3(); - var v2 = new Vector3(); - var normalMatrix = new Matrix3(); + // move existing object to the ACTIVE region - return function update() { + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; - var keys = [ 'a', 'b', 'c' ]; + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; - this.object.updateMatrixWorld( true ); + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; - normalMatrix.getNormalMatrix( this.object.matrixWorld ); + // accounting is done, now do the same for all bindings - var matrixWorld = this.object.matrixWorld; + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - var position = this.geometry.attributes.position; + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + binding = bindingsForPath[ index ]; - // + bindingsForPath[ index ] = lastCached; - var objGeometry = this.object.geometry; + if ( binding === undefined ) { - if ( (objGeometry && objGeometry.isGeometry) ) { + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist - var vertices = objGeometry.vertices; + binding = new PropertyBinding( + object, paths[ j ], parsedPaths[ j ] ); - var faces = objGeometry.faces; + } - var idx = 0; + bindingsForPath[ firstActiveIndex ] = binding; - for ( var i = 0, l = faces.length; i < l; i ++ ) { + } - var face = faces[ i ]; + } else if ( objects[ index ] !== knownObject) { - for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { + console.error( "Different objects with the same UUID " + + "detected. Clean the caches or recreate your " + + "infrastructure when reloading scenes..." ); - var vertex = vertices[ face[ keys[ j ] ] ]; + } // else the object is already where we want it to be - var normal = face.vertexNormals[ j ]; + } // for arguments - v1.copy( vertex ).applyMatrix4( matrixWorld ); + this.nCachedObjects_ = nCachedObjects; - v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + }, - position.setXYZ( idx, v1.x, v1.y, v1.z ); + remove: function( var_args ) { - idx = idx + 1; + var objects = this._objects, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; - position.setXYZ( idx, v2.x, v2.y, v2.z ); + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - idx = idx + 1; + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - } + if ( index !== undefined && index >= nCachedObjects ) { - } + // move existing object into the CACHED region - } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { + var lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; - var objPos = objGeometry.attributes.position; + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; - var objNorm = objGeometry.attributes.normal; + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; - var idx = 0; + // accounting is done, now do the same for all bindings - // for simplicity, ignore index and drawcalls, and render every normal + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { + var bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; - v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; - v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); + } - v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + } - position.setXYZ( idx, v1.x, v1.y, v1.z ); + } // for arguments - idx = idx + 1; + this.nCachedObjects_ = nCachedObjects; - position.setXYZ( idx, v2.x, v2.y, v2.z ); + }, - idx = idx + 1; + // remove & forget + uncache: function( var_args ) { - } + var objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; - } + for ( var i = 0, n = arguments.length; i !== n; ++ i ) { - position.needsUpdate = true; + var object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; - return this; + if ( index !== undefined ) { - }; + delete indicesByUUID[ uuid ]; - }() ); + if ( index < nCachedObjects ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + // object is cached, shrink the CACHED region - function SpotLightHelper( light ) { + var firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; - Object3D.call( this ); + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; - this.light = light; - this.light.updateMatrixWorld(); + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + // accounting is done, now do the same for all bindings - var geometry = new BufferGeometry(); + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - var positions = [ - 0, 0, 0, 0, 0, 1, - 0, 0, 0, 1, 0, 1, - 0, 0, 0, - 1, 0, 1, - 0, 0, 0, 0, 1, 1, - 0, 0, 0, 0, - 1, 1 - ]; - - for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + var bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; - var p1 = ( i / l ) * Math.PI * 2; - var p2 = ( j / l ) * Math.PI * 2; + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); - positions.push( - Math.cos( p1 ), Math.sin( p1 ), 1, - Math.cos( p2 ), Math.sin( p2 ), 1 - ); + } - } + } else { - geometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) ); + // object is active, just swap with the last and pop - var material = new LineBasicMaterial( { fog: false } ); + var lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; - this.cone = new LineSegments( geometry, material ); - this.add( this.cone ); + indicesByUUID[ lastObject.uuid ] = index; + objects[ index ] = lastObject; + objects.pop(); - this.update(); + // accounting is done, now do the same for all bindings - } + for ( var j = 0, m = nBindings; j !== m; ++ j ) { - SpotLightHelper.prototype = Object.create( Object3D.prototype ); - SpotLightHelper.prototype.constructor = SpotLightHelper; + var bindingsForPath = bindings[ j ]; - SpotLightHelper.prototype.dispose = function () { + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); - this.cone.geometry.dispose(); - this.cone.material.dispose(); + } - }; + } // cached or active - SpotLightHelper.prototype.update = function () { + } // if object is known - var vector = new Vector3(); - var vector2 = new Vector3(); + } // for arguments - return function update() { + this.nCachedObjects_ = nCachedObjects; - var coneLength = this.light.distance ? this.light.distance : 1000; - var coneWidth = coneLength * Math.tan( this.light.angle ); + }, - this.cone.scale.set( coneWidth, coneWidth, coneLength ); + // Internal interface used by befriended PropertyBinding.Composite: - vector.setFromMatrixPosition( this.light.matrixWorld ); - vector2.setFromMatrixPosition( this.light.target.matrixWorld ); + subscribe_: function( path, parsedPath ) { + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group - this.cone.lookAt( vector2.sub( vector ) ); + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ], + bindings = this._bindings; - this.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + if ( index !== undefined ) return bindings[ index ]; - }; + var paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); - }(); + index = bindings.length; - /** - * @author Sean Griffin / http://twitter.com/sgrif - * @author Michael Guerrero / http://realitymeltdown.com - * @author mrdoob / http://mrdoob.com/ - * @author ikerr / http://verold.com - */ + indicesByPath[ path ] = index; - function SkeletonHelper( object ) { + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); - this.bones = this.getBoneList( object ); + for ( var i = nCachedObjects, + n = objects.length; i !== n; ++ i ) { - var geometry = new Geometry(); + var object = objects[ i ]; - for ( var i = 0; i < this.bones.length; i ++ ) { + bindingsForPath[ i ] = + new PropertyBinding( object, path, parsedPath ); - var bone = this.bones[ i ]; + } - if ( (bone.parent && bone.parent.isBone) ) { + return bindingsForPath; - geometry.vertices.push( new Vector3() ); - geometry.vertices.push( new Vector3() ); - geometry.colors.push( new Color( 0, 0, 1 ) ); - geometry.colors.push( new Color( 0, 1, 0 ) ); + }, - } + unsubscribe_: function( path ) { + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' - } + var indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; - geometry.dynamic = true; + if ( index !== undefined ) { - var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); + var paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; - LineSegments.call( this, geometry, material ); + indicesByPath[ lastBindingsPath ] = index; - this.root = object; + bindings[ index ] = lastBindings; + bindings.pop(); - this.matrix = object.matrixWorld; - this.matrixAutoUpdate = false; + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); - this.update(); + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); - } + } + } - SkeletonHelper.prototype = Object.create( LineSegments.prototype ); - SkeletonHelper.prototype.constructor = SkeletonHelper; + }; - SkeletonHelper.prototype.getBoneList = function( object ) { + /** + * + * Action provided by AnimationMixer for scheduling clip playback on specific + * objects. + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + * + */ - var boneList = []; + function AnimationAction( mixer, clip, localRoot ) { - if ( (object && object.isBone) ) { + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot || null; - boneList.push( object ); + var tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); - } + var interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; - for ( var i = 0; i < object.children.length; i ++ ) { + for ( var i = 0; i !== nTracks; ++ i ) { - boneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) ); + var interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; } - return boneList; + this._interpolantSettings = interpolantSettings; - }; + this._interpolants = interpolants; // bound by the mixer - SkeletonHelper.prototype.update = function () { + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); - var geometry = this.geometry; + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager - var matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld ); + this._timeScaleInterpolant = null; + this._weightInterpolant = null; - var boneMatrix = new Matrix4(); + this.loop = LoopRepeat; + this._loopCount = -1; - var j = 0; + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; - for ( var i = 0; i < this.bones.length; i ++ ) { + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; - var bone = this.bones[ i ]; + this.timeScale = 1; + this._effectiveTimeScale = 1; - if ( (bone.parent && bone.parent.isBone) ) { + this.weight = 1; + this._effectiveWeight = 1; - boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld ); - geometry.vertices[ j ].setFromMatrixPosition( boneMatrix ); + this.repetitions = Infinity; // no. of repetitions when looping - boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld ); - geometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix ); + this.paused = false; // false -> zero effective time scale + this.enabled = true; // true -> zero effective weight - j += 2; + this.clampWhenFinished = false; // keep feeding the last frame? - } + this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true; // clips for start, loop and end - } + } - geometry.verticesNeedUpdate = true; + AnimationAction.prototype = { - geometry.computeBoundingSphere(); + constructor: AnimationAction, - }; + // State & Scheduling - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + play: function() { - function PointLightHelper( light, sphereSize ) { + this._mixer._activateAction( this ); - this.light = light; - this.light.updateMatrixWorld(); + return this; - var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); - var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); - material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + }, - Mesh.call( this, geometry, material ); + stop: function() { - this.matrix = this.light.matrixWorld; - this.matrixAutoUpdate = false; + this._mixer._deactivateAction( this ); - /* - var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); - var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + return this.reset(); - this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); - this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + }, - var d = light.distance; + reset: function() { - if ( d === 0.0 ) { + this.paused = false; + this.enabled = true; - this.lightDistance.visible = false; + this.time = 0; // restart clip + this._loopCount = -1; // forget previous loops + this._startTime = null; // forget scheduling - } else { + return this.stopFading().stopWarping(); - this.lightDistance.scale.set( d, d, d ); + }, - } + isRunning: function() { - this.add( this.lightDistance ); - */ + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); - } + }, - PointLightHelper.prototype = Object.create( Mesh.prototype ); - PointLightHelper.prototype.constructor = PointLightHelper; + // return true when play has been called + isScheduled: function() { - PointLightHelper.prototype.dispose = function () { + return this._mixer._isActiveAction( this ); - this.geometry.dispose(); - this.material.dispose(); + }, - }; + startAt: function( time ) { - PointLightHelper.prototype.update = function () { + this._startTime = time; - this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + return this; - /* - var d = this.light.distance; + }, - if ( d === 0.0 ) { + setLoop: function( mode, repetitions ) { - this.lightDistance.visible = false; + this.loop = mode; + this.repetitions = repetitions; - } else { + return this; - this.lightDistance.visible = true; - this.lightDistance.scale.set( d, d, d ); + }, - } - */ + // Weight - }; + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight: function( weight ) { - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - */ + this.weight = weight; - function HemisphereLightHelper( light, sphereSize ) { + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; - Object3D.call( this ); + return this.stopFading(); - this.light = light; - this.light.updateMatrixWorld(); + }, - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + // return the weight considering fading and .enabled + getEffectiveWeight: function() { - this.colors = [ new Color(), new Color() ]; + return this._effectiveWeight; - var geometry = new SphereGeometry( sphereSize, 4, 2 ); - geometry.rotateX( - Math.PI / 2 ); + }, - for ( var i = 0, il = 8; i < il; i ++ ) { + fadeIn: function( duration ) { - geometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ]; + return this._scheduleFading( duration, 0, 1 ); - } + }, - var material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } ); + fadeOut: function( duration ) { - this.lightSphere = new Mesh( geometry, material ); - this.add( this.lightSphere ); + return this._scheduleFading( duration, 1, 0 ); - this.update(); + }, - } + crossFadeFrom: function( fadeOutAction, duration, warp ) { - HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); - HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); - HemisphereLightHelper.prototype.dispose = function () { + if( warp ) { - this.lightSphere.geometry.dispose(); - this.lightSphere.material.dispose(); + var fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, - }; + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; - HemisphereLightHelper.prototype.update = function () { + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); - var vector = new Vector3(); + } - return function update() { + return this; - this.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity ); - this.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity ); + }, - this.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() ); - this.lightSphere.geometry.colorsNeedUpdate = true; + crossFadeTo: function( fadeInAction, duration, warp ) { - }; + return fadeInAction.crossFadeFrom( this, duration, warp ); - }(); + }, - /** - * @author mrdoob / http://mrdoob.com/ - */ + stopFading: function() { - function GridHelper( size, divisions, color1, color2 ) { + var weightInterpolant = this._weightInterpolant; - divisions = divisions || 1; - color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); - color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); + if ( weightInterpolant !== null ) { - var center = divisions / 2; - var step = ( size * 2 ) / divisions; - var vertices = [], colors = []; + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); - for ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) { + } - vertices.push( - size, 0, k, size, 0, k ); - vertices.push( k, 0, - size, k, 0, size ); + return this; - var color = i === center ? color1 : color2; + }, - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; - color.toArray( colors, j ); j += 3; + // Time Scale Control - } + // set the weight stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale: function( timeScale ) { - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) ); + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 :timeScale; - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + return this.stopWarping(); - LineSegments.call( this, geometry, material ); + }, - } + // return the time scale considering warping and .paused + getEffectiveTimeScale: function() { - GridHelper.prototype = Object.create( LineSegments.prototype ); - GridHelper.prototype.constructor = GridHelper; + return this._effectiveTimeScale; - GridHelper.prototype.setColors = function () { + }, - console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); + setDuration: function( duration ) { - }; + this.timeScale = this._clip.duration / duration; - /** - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + return this.stopWarping(); - function FaceNormalsHelper( object, size, hex, linewidth ) { + }, - // FaceNormalsHelper only supports THREE.Geometry + syncWith: function( action ) { - this.object = object; + this.time = action.time; + this.timeScale = action.timeScale; - this.size = ( size !== undefined ) ? size : 1; + return this.stopWarping(); - var color = ( hex !== undefined ) ? hex : 0xffff00; + }, - var width = ( linewidth !== undefined ) ? linewidth : 1; + halt: function( duration ) { - // + return this.warp( this._effectiveTimeScale, 0, duration ); - var nNormals = 0; + }, - var objGeometry = this.object.geometry; + warp: function( startTimeScale, endTimeScale, duration ) { - if ( (objGeometry && objGeometry.isGeometry) ) { + var mixer = this._mixer, now = mixer.time, + interpolant = this._timeScaleInterpolant, - nNormals = objGeometry.faces.length; + timeScale = this.timeScale; - } else { + if ( interpolant === null ) { - console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); + interpolant = mixer._lendControlInterpolant(), + this._timeScaleInterpolant = interpolant; - } + } - // + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; - var geometry = new BufferGeometry(); + times[ 0 ] = now; + times[ 1 ] = now + duration; - var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; - geometry.addAttribute( 'position', positions ); + return this; - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); + }, - // + stopWarping: function() { - this.matrixAutoUpdate = false; - this.update(); + var timeScaleInterpolant = this._timeScaleInterpolant; - } + if ( timeScaleInterpolant !== null ) { - FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); - FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); - FaceNormalsHelper.prototype.update = ( function () { + } - var v1 = new Vector3(); - var v2 = new Vector3(); - var normalMatrix = new Matrix3(); + return this; - return function update() { + }, - this.object.updateMatrixWorld( true ); + // Object Accessors - normalMatrix.getNormalMatrix( this.object.matrixWorld ); + getMixer: function() { - var matrixWorld = this.object.matrixWorld; + return this._mixer; - var position = this.geometry.attributes.position; + }, - // + getClip: function() { - var objGeometry = this.object.geometry; + return this._clip; - var vertices = objGeometry.vertices; + }, - var faces = objGeometry.faces; + getRoot: function() { - var idx = 0; + return this._localRoot || this._mixer._root; - for ( var i = 0, l = faces.length; i < l; i ++ ) { + }, - var face = faces[ i ]; + // Interna - var normal = face.normal; + _update: function( time, deltaTime, timeDirection, accuIndex ) { + // called by the mixer - v1.copy( vertices[ face.a ] ) - .add( vertices[ face.b ] ) - .add( vertices[ face.c ] ) - .divideScalar( 3 ) - .applyMatrix4( matrixWorld ); + var startTime = this._startTime; - v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); + if ( startTime !== null ) { - position.setXYZ( idx, v1.x, v1.y, v1.z ); + // check for scheduled start of action - idx = idx + 1; + var timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { - position.setXYZ( idx, v2.x, v2.y, v2.z ); + return; // yet to come / don't decide when delta = 0 - idx = idx + 1; + } - } + // start - position.needsUpdate = true; + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; - return this; + } - }; + // apply time scale and advance time - }() ); + deltaTime *= this._updateTimeScale( time ); + var clipTime = this._updateTime( deltaTime ); - /** - * @author alteredq / http://alteredqualia.com/ - * @author mrdoob / http://mrdoob.com/ - * @author WestLangley / http://github.com/WestLangley - */ + // note: _updateTime may disable the action resulting in + // an effective weight of 0 - function DirectionalLightHelper( light, size ) { + var weight = this._updateWeight( time ); - Object3D.call( this ); + if ( weight > 0 ) { - this.light = light; - this.light.updateMatrixWorld(); + var interpolants = this._interpolants; + var propertyMixers = this._propertyBindings; - this.matrix = light.matrixWorld; - this.matrixAutoUpdate = false; + for ( var j = 0, m = interpolants.length; j !== m; ++ j ) { - if ( size === undefined ) size = 1; + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( [ - - size, size, 0, - size, size, 0, - size, - size, 0, - - size, - size, 0, - - size, size, 0 - ], 3 ) ); + } - var material = new LineBasicMaterial( { fog: false } ); + } - this.add( new Line( geometry, material ) ); + }, - geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + _updateWeight: function( time ) { - this.add( new Line( geometry, material )); + var weight = 0; - this.update(); + if ( this.enabled ) { - } + weight = this.weight; + var interpolant = this._weightInterpolant; - DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); - DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; + if ( interpolant !== null ) { - DirectionalLightHelper.prototype.dispose = function () { + var interpolantValue = interpolant.evaluate( time )[ 0 ]; - var lightPlane = this.children[ 0 ]; - var targetLine = this.children[ 1 ]; + weight *= interpolantValue; - lightPlane.geometry.dispose(); - lightPlane.material.dispose(); - targetLine.geometry.dispose(); - targetLine.material.dispose(); + if ( time > interpolant.parameterPositions[ 1 ] ) { - }; + this.stopFading(); - DirectionalLightHelper.prototype.update = function () { + if ( interpolantValue === 0 ) { - var v1 = new Vector3(); - var v2 = new Vector3(); - var v3 = new Vector3(); + // faded out, disable + this.enabled = false; - return function update() { + } - v1.setFromMatrixPosition( this.light.matrixWorld ); - v2.setFromMatrixPosition( this.light.target.matrixWorld ); - v3.subVectors( v2, v1 ); + } - var lightPlane = this.children[ 0 ]; - var targetLine = this.children[ 1 ]; + } - lightPlane.lookAt( v3 ); - lightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); + } - targetLine.lookAt( v3 ); - targetLine.scale.z = v3.length(); + this._effectiveWeight = weight; + return weight; - }; + }, - }(); + _updateTimeScale: function( time ) { - /** - * @author alteredq / http://alteredqualia.com/ - * - * - shows frustum, line of sight and up of the camera - * - suitable for fast updates - * - based on frustum visualization in lightgl.js shadowmap example - * http://evanw.github.com/lightgl.js/tests/shadowmap.html - */ + var timeScale = 0; - function CameraHelper( camera ) { + if ( ! this.paused ) { - var geometry = new Geometry(); - var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); + timeScale = this.timeScale; - var pointMap = {}; + var interpolant = this._timeScaleInterpolant; - // colors + if ( interpolant !== null ) { - var hexFrustum = 0xffaa00; - var hexCone = 0xff0000; - var hexUp = 0x00aaff; - var hexTarget = 0xffffff; - var hexCross = 0x333333; + var interpolantValue = interpolant.evaluate( time )[ 0 ]; - // near + timeScale *= interpolantValue; - addLine( "n1", "n2", hexFrustum ); - addLine( "n2", "n4", hexFrustum ); - addLine( "n4", "n3", hexFrustum ); - addLine( "n3", "n1", hexFrustum ); + if ( time > interpolant.parameterPositions[ 1 ] ) { - // far + this.stopWarping(); - addLine( "f1", "f2", hexFrustum ); - addLine( "f2", "f4", hexFrustum ); - addLine( "f4", "f3", hexFrustum ); - addLine( "f3", "f1", hexFrustum ); + if ( timeScale === 0 ) { - // sides + // motion has halted, pause + this.paused = true; - addLine( "n1", "f1", hexFrustum ); - addLine( "n2", "f2", hexFrustum ); - addLine( "n3", "f3", hexFrustum ); - addLine( "n4", "f4", hexFrustum ); + } else { - // cone + // warp done - apply final time scale + this.timeScale = timeScale; - addLine( "p", "n1", hexCone ); - addLine( "p", "n2", hexCone ); - addLine( "p", "n3", hexCone ); - addLine( "p", "n4", hexCone ); + } - // up + } - addLine( "u1", "u2", hexUp ); - addLine( "u2", "u3", hexUp ); - addLine( "u3", "u1", hexUp ); + } - // target + } - addLine( "c", "t", hexTarget ); - addLine( "p", "c", hexCross ); + this._effectiveTimeScale = timeScale; + return timeScale; - // cross + }, - addLine( "cn1", "cn2", hexCross ); - addLine( "cn3", "cn4", hexCross ); + _updateTime: function( deltaTime ) { - addLine( "cf1", "cf2", hexCross ); - addLine( "cf3", "cf4", hexCross ); + var time = this.time + deltaTime; - function addLine( a, b, hex ) { + if ( deltaTime === 0 ) return time; - addPoint( a, hex ); - addPoint( b, hex ); + var duration = this._clip.duration, - } + loop = this.loop, + loopCount = this._loopCount; - function addPoint( id, hex ) { + if ( loop === LoopOnce ) { - geometry.vertices.push( new Vector3() ); - geometry.colors.push( new Color( hex ) ); + if ( loopCount === -1 ) { + // just started - if ( pointMap[ id ] === undefined ) { + this.loopCount = 0; + this._setEndings( true, true, false ); - pointMap[ id ] = []; + } - } + handle_stop: { - pointMap[ id ].push( geometry.vertices.length - 1 ); + if ( time >= duration ) { - } + time = duration; - LineSegments.call( this, geometry, material ); + } else if ( time < 0 ) { - this.camera = camera; - if( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + time = 0; - this.matrix = camera.matrixWorld; - this.matrixAutoUpdate = false; + } else break handle_stop; - this.pointMap = pointMap; + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; - this.update(); + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? -1 : 1 + } ); - } + } - CameraHelper.prototype = Object.create( LineSegments.prototype ); - CameraHelper.prototype.constructor = CameraHelper; + } else { // repetitive Repeat or PingPong - CameraHelper.prototype.update = function () { + var pingPong = ( loop === LoopPingPong ); - var geometry, pointMap; + if ( loopCount === -1 ) { + // just started - var vector = new Vector3(); - var camera = new Camera(); + if ( deltaTime >= 0 ) { - function setPoint( point, x, y, z ) { + loopCount = 0; - vector.set( x, y, z ).unproject( camera ); + this._setEndings( + true, this.repetitions === 0, pingPong ); - var points = pointMap[ point ]; + } else { - if ( points !== undefined ) { + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 - for ( var i = 0, il = points.length; i < il; i ++ ) { + this._setEndings( + this.repetitions === 0, true, pingPong ); - geometry.vertices[ points[ i ] ].copy( vector ); + } } - } + if ( time >= duration || time < 0 ) { + // wrap around - } + var loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; - return function update() { + loopCount += Math.abs( loopDelta ); - geometry = this.geometry; - pointMap = this.pointMap; + var pending = this.repetitions - loopCount; - var w = 1, h = 1; + if ( pending < 0 ) { + // have to stop (switch state, clamp time, fire event) - // we need just camera projection matrix - // world matrix must be identity + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; - camera.projectionMatrix.copy( this.camera.projectionMatrix ); + time = deltaTime > 0 ? duration : 0; - // center / target + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : -1 + } ); - setPoint( "c", 0, 0, - 1 ); - setPoint( "t", 0, 0, 1 ); + } else { + // keep running - // near + if ( pending === 0 ) { + // entering the last round - setPoint( "n1", - w, - h, - 1 ); - setPoint( "n2", w, - h, - 1 ); - setPoint( "n3", - w, h, - 1 ); - setPoint( "n4", w, h, - 1 ); + var atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); - // far + } else { - setPoint( "f1", - w, - h, 1 ); - setPoint( "f2", w, - h, 1 ); - setPoint( "f3", - w, h, 1 ); - setPoint( "f4", w, h, 1 ); + this._setEndings( false, false, pingPong ); - // up + } - setPoint( "u1", w * 0.7, h * 1.1, - 1 ); - setPoint( "u2", - w * 0.7, h * 1.1, - 1 ); - setPoint( "u3", 0, h * 2, - 1 ); + this._loopCount = loopCount; - // cross + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); - setPoint( "cf1", - w, 0, 1 ); - setPoint( "cf2", w, 0, 1 ); - setPoint( "cf3", 0, - h, 1 ); - setPoint( "cf4", 0, h, 1 ); + } - setPoint( "cn1", - w, 0, - 1 ); - setPoint( "cn2", w, 0, - 1 ); - setPoint( "cn3", 0, - h, - 1 ); - setPoint( "cn4", 0, h, - 1 ); + } - geometry.verticesNeedUpdate = true; + if ( pingPong && ( loopCount & 1 ) === 1 ) { + // invert time for the "pong round" - }; + this.time = time; + return duration - time; - }(); + } - /** - * @author WestLangley / http://github.com/WestLangley - */ + } - // a helper to show the world-axis-aligned bounding box for an object + this.time = time; + return time; - function BoundingBoxHelper( object, hex ) { + }, - var color = ( hex !== undefined ) ? hex : 0x888888; + _setEndings: function( atStart, atEnd, pingPong ) { - this.object = object; + var settings = this._interpolantSettings; - this.box = new Box3(); + if ( pingPong ) { - Mesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) ); + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; - } + } else { - BoundingBoxHelper.prototype = Object.create( Mesh.prototype ); - BoundingBoxHelper.prototype.constructor = BoundingBoxHelper; + // assuming for LoopOnce atStart == atEnd == true - BoundingBoxHelper.prototype.update = function () { + if ( atStart ) { - this.box.setFromObject( this.object ); + settings.endingStart = this.zeroSlopeAtStart ? + ZeroSlopeEnding : ZeroCurvatureEnding; - this.box.getSize( this.scale ); + } else { - this.box.getCenter( this.position ); + settings.endingStart = WrapAroundEnding; - }; + } - /** - * @author mrdoob / http://mrdoob.com/ - */ + if ( atEnd ) { - function BoxHelper( object, color ) { + settings.endingEnd = this.zeroSlopeAtEnd ? + ZeroSlopeEnding : ZeroCurvatureEnding; - if ( color === undefined ) color = 0xffff00; + } else { - var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); - var positions = new Float32Array( 8 * 3 ); + settings.endingEnd = WrapAroundEnding; - var geometry = new BufferGeometry(); - geometry.setIndex( new BufferAttribute( indices, 1 ) ); - geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); + } - LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); + } - if ( object !== undefined ) { + }, - this.update( object ); + _scheduleFading: function( duration, weightNow, weightThen ) { - } + var mixer = this._mixer, now = mixer.time, + interpolant = this._weightInterpolant; - } + if ( interpolant === null ) { - BoxHelper.prototype = Object.create( LineSegments.prototype ); - BoxHelper.prototype.constructor = BoxHelper; + interpolant = mixer._lendControlInterpolant(), + this._weightInterpolant = interpolant; - BoxHelper.prototype.update = ( function () { + } - var box = new Box3(); + var times = interpolant.parameterPositions, + values = interpolant.sampleValues; - return function update( object ) { + times[ 0 ] = now; values[ 0 ] = weightNow; + times[ 1 ] = now + duration; values[ 1 ] = weightThen; - if ( (object && object.isBox3) ) { + return this; - box.copy( object ); + } - } else { + }; - box.setFromObject( object ); + /** + * + * Player for AnimationClips. + * + * + * @author Ben Houston / http://clara.io/ + * @author David Sarno / http://lighthaus.us/ + * @author tschw + */ - } + function AnimationMixer( root ) { - if ( box.isEmpty() ) return; + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; - var min = box.min; - var max = box.max; + this.time = 0; - /* - 5____4 - 1/___0/| - | 6__|_7 - 2/___3/ + this.timeScale = 1.0; - 0: max.x, max.y, max.z - 1: min.x, max.y, max.z - 2: min.x, min.y, max.z - 3: max.x, min.y, max.z - 4: max.x, max.y, min.z - 5: min.x, max.y, min.z - 6: min.x, min.y, min.z - 7: max.x, min.y, min.z - */ + } - var position = this.geometry.attributes.position; - var array = position.array; + Object.assign( AnimationMixer.prototype, EventDispatcher.prototype, { - array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; - array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; - array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; - array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; - array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; - array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; - array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; - array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction: function( clip, optionalRoot ) { - position.needsUpdate = true; + var root = optionalRoot || this._root, + rootUuid = root.uuid, - this.geometry.computeBoundingSphere(); + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, - }; + clipUuid = clipObject !== null ? clipObject.uuid : clip, - } )(); + actionsForClip = this._actionsByClip[ clipUuid ], + prototypeAction = null; - /** - * @author WestLangley / http://github.com/WestLangley - * @author zz85 / http://github.com/zz85 - * @author bhouston / http://clara.io - * - * Creates an arrow for visualizing directions - * - * Parameters: - * dir - Vector3 - * origin - Vector3 - * length - Number - * color - color in hex value - * headLength - Number - * headWidth - Number - */ + if ( actionsForClip !== undefined ) { - var lineGeometry = new BufferGeometry(); - lineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + var existingAction = + actionsForClip.actionByRoot[ rootUuid ]; - var coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); - coneGeometry.translate( 0, - 0.5, 0 ); + if ( existingAction !== undefined ) { - function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { + return existingAction; - // dir is assumed to be normalized + } - Object3D.call( this ); + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; - if ( color === undefined ) color = 0xffff00; - if ( length === undefined ) length = 1; - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; - this.position.copy( origin ); + } - this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) ); - this.line.matrixAutoUpdate = false; - this.add( this.line ); + // clip must be known when specified via string + if ( clipObject === null ) return null; - this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) ); - this.cone.matrixAutoUpdate = false; - this.add( this.cone ); + // allocate all resources required to run it + var newAction = new AnimationAction( this, clipObject, optionalRoot ); - this.setDirection( dir ); - this.setLength( length, headLength, headWidth ); + this._bindAction( newAction, prototypeAction ); - } + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); - ArrowHelper.prototype = Object.create( Object3D.prototype ); - ArrowHelper.prototype.constructor = ArrowHelper; + return newAction; - ArrowHelper.prototype.setDirection = ( function () { + }, - var axis = new Vector3(); - var radians; + // get an existing action + existingAction: function( clip, optionalRoot ) { - return function setDirection( dir ) { + var root = optionalRoot || this._root, + rootUuid = root.uuid, - // dir is assumed to be normalized + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, - if ( dir.y > 0.99999 ) { + clipUuid = clipObject ? clipObject.uuid : clip, - this.quaternion.set( 0, 0, 0, 1 ); + actionsForClip = this._actionsByClip[ clipUuid ]; - } else if ( dir.y < - 0.99999 ) { + if ( actionsForClip !== undefined ) { - this.quaternion.set( 1, 0, 0, 0 ); + return actionsForClip.actionByRoot[ rootUuid ] || null; - } else { + } - axis.set( dir.z, 0, - dir.x ).normalize(); + return null; - radians = Math.acos( dir.y ); + }, - this.quaternion.setFromAxisAngle( axis, radians ); + // deactivates all previously scheduled actions + stopAllAction: function() { - } + var actions = this._actions, + nActions = this._nActiveActions, + bindings = this._bindings, + nBindings = this._nActiveBindings; - }; + this._nActiveActions = 0; + this._nActiveBindings = 0; - }() ); + for ( var i = 0; i !== nActions; ++ i ) { - ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { + actions[ i ].reset(); - if ( headLength === undefined ) headLength = 0.2 * length; - if ( headWidth === undefined ) headWidth = 0.2 * headLength; + } - this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); - this.line.updateMatrix(); + for ( var i = 0; i !== nBindings; ++ i ) { - this.cone.scale.set( headWidth, headLength, headWidth ); - this.cone.position.y = length; - this.cone.updateMatrix(); + bindings[ i ].useCount = 0; - }; + } - ArrowHelper.prototype.setColor = function ( color ) { + return this; - this.line.material.color.copy( color ); - this.cone.material.color.copy( color ); + }, - }; + // advance the time and update apply the animation + update: function( deltaTime ) { - /** - * @author sroucheray / http://sroucheray.org/ - * @author mrdoob / http://mrdoob.com/ - */ + deltaTime *= this.timeScale; - function AxisHelper( size ) { + var actions = this._actions, + nActions = this._nActiveActions, - size = size || 1; + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), - var vertices = new Float32Array( [ - 0, 0, 0, size, 0, 0, - 0, 0, 0, 0, size, 0, - 0, 0, 0, 0, 0, size - ] ); + accuIndex = this._accuIndex ^= 1; - var colors = new Float32Array( [ - 1, 0, 0, 1, 0.6, 0, - 0, 1, 0, 0.6, 1, 0, - 0, 0, 1, 0, 0.6, 1 - ] ); + // run active actions - var geometry = new BufferGeometry(); - geometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); - geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); + for ( var i = 0; i !== nActions; ++ i ) { - var material = new LineBasicMaterial( { vertexColors: VertexColors } ); + var action = actions[ i ]; - LineSegments.call( this, geometry, material ); + if ( action.enabled ) { - } + action._update( time, deltaTime, timeDirection, accuIndex ); - AxisHelper.prototype = Object.create( LineSegments.prototype ); - AxisHelper.prototype.constructor = AxisHelper; + } - /** - * @author zz85 https://github.com/zz85 - * - * Centripetal CatmullRom Curve - which is useful for avoiding - * cusps and self-intersections in non-uniform catmull rom curves. - * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf - * - * curve.type accepts centripetal(default), chordal and catmullrom - * curve.tension is used for catmullrom which defaults to 0.5 - */ + } - var CatmullRomCurve3 = ( function() { + // update scene graph - var - tmp = new Vector3(), - px = new CubicPoly(), - py = new CubicPoly(), - pz = new CubicPoly(); + var bindings = this._bindings, + nBindings = this._nActiveBindings; - /* - Based on an optimized c++ solution in - - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ - - http://ideone.com/NoEbVM + for ( var i = 0; i !== nBindings; ++ i ) { - This CubicPoly class could be used for reusing some variables and calculations, - but for three.js curve use, it could be possible inlined and flatten into a single function call - which can be placed in CurveUtils. - */ + bindings[ i ].apply( accuIndex ); - function CubicPoly() {} + } - /* - * Compute coefficients for a cubic polynomial - * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 - * such that - * p(0) = x0, p(1) = x1 - * and - * p'(0) = t0, p'(1) = t1. - */ - CubicPoly.prototype.init = function( x0, x1, t0, t1 ) { + return this; - this.c0 = x0; - this.c1 = t0; - this.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; - this.c3 = 2 * x0 - 2 * x1 + t0 + t1; + }, - }; + // return this mixer's root target object + getRoot: function() { - CubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) { + return this._root; - // compute tangents when parameterized in [t1,t2] - var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; - var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + }, - // rescale tangents for parametrization in [0,1] - t1 *= dt1; - t2 *= dt1; + // free all resources specific to a particular clip + uncacheClip: function( clip ) { - // initCubicPoly - this.init( x1, x2, t1, t2 ); + var actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; - }; + if ( actionsForClip !== undefined ) { - // standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4 - CubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) { + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away - this.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + var actionsToRemove = actionsForClip.knownActions; - }; + for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) { - CubicPoly.prototype.calc = function( t ) { + var action = actionsToRemove[ i ]; - var t2 = t * t; - var t3 = t2 * t; - return this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3; + this._deactivateAction( action ); - }; + var cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; - // Subclass Three.js curve - return Curve.create( + action._cacheIndex = null; + action._byClipCacheIndex = null; - function ( p /* array of Vector3 */ ) { + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); - this.points = p || []; - this.closed = false; + this._removeInactiveBindingsForAction( action ); - }, + } - function ( t ) { + delete actionsByClip[ clipUuid ]; - var points = this.points, - point, intPoint, weight, l; + } - l = points.length; + }, - if ( l < 2 ) console.log( 'duh, you need at least 2 points' ); + // free all resources specific to a particular root target object + uncacheRoot: function( root ) { - point = ( l - ( this.closed ? 0 : 1 ) ) * t; - intPoint = Math.floor( point ); - weight = point - intPoint; + var rootUuid = root.uuid, + actionsByClip = this._actionsByClip; - if ( this.closed ) { + for ( var clipUuid in actionsByClip ) { - intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length; + var actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; - } else if ( weight === 0 && intPoint === l - 1 ) { + if ( action !== undefined ) { - intPoint = l - 2; - weight = 1; + this._deactivateAction( action ); + this._removeInactiveAction( action ); } - var p0, p1, p2, p3; // 4 points + } - if ( this.closed || intPoint > 0 ) { + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; - p0 = points[ ( intPoint - 1 ) % l ]; + if ( bindingByName !== undefined ) { - } else { + for ( var trackName in bindingByName ) { - // extrapolate first point - tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); - p0 = tmp; + var binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); } - p1 = points[ intPoint % l ]; - p2 = points[ ( intPoint + 1 ) % l ]; + } - if ( this.closed || intPoint + 2 < l ) { + }, - p3 = points[ ( intPoint + 2 ) % l ]; + // remove a targeted clip from the cache + uncacheAction: function( clip, optionalRoot ) { - } else { + var action = this.existingAction( clip, optionalRoot ); - // extrapolate last point - tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); - p3 = tmp; + if ( action !== null ) { - } + this._deactivateAction( action ); + this._removeInactiveAction( action ); - if ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) { + } - // init Centripetal / Chordal Catmull-Rom - var pow = this.type === 'chordal' ? 0.5 : 0.25; - var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); - var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); - var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + } - // safety check for repeated points - if ( dt1 < 1e-4 ) dt1 = 1.0; - if ( dt0 < 1e-4 ) dt0 = dt1; - if ( dt2 < 1e-4 ) dt2 = dt1; + } ); - px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); - py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); - pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + // Implementation details: - } else if ( this.type === 'catmullrom' ) { + Object.assign( AnimationMixer.prototype, { - var tension = this.tension !== undefined ? this.tension : 0.5; - px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension ); - py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension ); - pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension ); + _bindAction: function( action, prototypeAction ) { - } + var root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName, + bindingsByName = bindingsByRoot[ rootUuid ]; - var v = new Vector3( - px.calc( weight ), - py.calc( weight ), - pz.calc( weight ) - ); + if ( bindingsByName === undefined ) { - return v; + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; } - ); - - } )(); - - /************************************************************** - * Closed Spline 3D curve - **************************************************************/ + for ( var i = 0; i !== nTracks; ++ i ) { + var track = tracks[ i ], + trackName = track.name, + binding = bindingsByName[ trackName ]; - function ClosedSplineCurve3( points ) { + if ( binding !== undefined ) { - console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' ); + bindings[ i ] = binding; - CatmullRomCurve3.call( this, points ); - this.type = 'catmullrom'; - this.closed = true; + } else { - } + binding = bindings[ i ]; - ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); + if ( binding !== undefined ) { - /************************************************************** - * Spline 3D curve - **************************************************************/ + // existing binding, make sure the cache knows + if ( binding._cacheIndex === null ) { - var SplineCurve3 = Curve.create( + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); - function ( points /* array of Vector3 */ ) { + } - console.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' ); - this.points = ( points === undefined ) ? [] : points; + continue; - }, + } - function ( t ) { + var path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; - var points = this.points; - var point = ( points.length - 1 ) * t; + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); - var intPoint = Math.floor( point ); - var weight = point - intPoint; + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); - var point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ]; - var point1 = points[ intPoint ]; - var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; - var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + bindings[ i ] = binding; - var interpolate = CurveUtils.interpolate; + } - return new Vector3( - interpolate( point0.x, point1.x, point2.x, point3.x, weight ), - interpolate( point0.y, point1.y, point2.y, point3.y, weight ), - interpolate( point0.z, point1.z, point2.z, point3.z, weight ) - ); + interpolants[ i ].resultBuffer = binding.buffer; - } + } - ); + }, - /************************************************************** - * Cubic Bezier 3D curve - **************************************************************/ + _activateAction: function( action ) { - var CubicBezierCurve3 = Curve.create( + if ( ! this._isActiveAction( action ) ) { - function ( v0, v1, v2, v3 ) { + if ( action._cacheIndex === null ) { - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind - }, + var rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; - function ( t ) { + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); - var b3 = ShapeUtils.b3; + this._addInactiveAction( action, clipUuid, rootUuid ); - return new Vector3( - b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), - b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ), - b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z ) - ); + } - } + var bindings = action._propertyBindings; - ); + // increment reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - /************************************************************** - * Quadratic Bezier 3D curve - **************************************************************/ + var binding = bindings[ i ]; - var QuadraticBezierCurve3 = Curve.create( + if ( binding.useCount ++ === 0 ) { - function ( v0, v1, v2 ) { + this._lendBinding( binding ); + binding.saveOriginalState(); - this.v0 = v0; - this.v1 = v1; - this.v2 = v2; + } - }, + } - function ( t ) { + this._lendAction( action ); - var b2 = ShapeUtils.b2; + } - return new Vector3( - b2( t, this.v0.x, this.v1.x, this.v2.x ), - b2( t, this.v0.y, this.v1.y, this.v2.y ), - b2( t, this.v0.z, this.v1.z, this.v2.z ) - ); + }, - } + _deactivateAction: function( action ) { - ); + if ( this._isActiveAction( action ) ) { - /************************************************************** - * Line3D - **************************************************************/ + var bindings = action._propertyBindings; - var LineCurve3 = Curve.create( + // decrement reference counts / sort out state + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { - function ( v1, v2 ) { + var binding = bindings[ i ]; - this.v1 = v1; - this.v2 = v2; + if ( -- binding.useCount === 0 ) { - }, + binding.restoreOriginalState(); + this._takeBackBinding( binding ); - function ( t ) { + } - if ( t === 1 ) { + } - return this.v2.clone(); + this._takeBackAction( action ); } - var vector = new Vector3(); - - vector.subVectors( this.v2, this.v1 ); // diff - vector.multiplyScalar( t ); - vector.add( this.v1 ); + }, - return vector; + // Memory manager - } + _initMemoryManager: function() { - ); + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; - /************************************************************** - * Arc curve - **************************************************************/ + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } - function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; - } + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > - ArcCurve.prototype = Object.create( EllipseCurve.prototype ); - ArcCurve.prototype.constructor = ArcCurve; - /** - * @author alteredq / http://alteredqualia.com/ - */ + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; - var SceneUtils = { + var scope = this; - createMultiMaterialObject: function ( geometry, materials ) { + this.stats = { - var group = new Group(); + actions: { + get total() { return scope._actions.length; }, + get inUse() { return scope._nActiveActions; } + }, + bindings: { + get total() { return scope._bindings.length; }, + get inUse() { return scope._nActiveBindings; } + }, + controlInterpolants: { + get total() { return scope._controlInterpolants.length; }, + get inUse() { return scope._nActiveControlInterpolants; } + } - for ( var i = 0, l = materials.length; i < l; i ++ ) { + }; - group.add( new Mesh( geometry, materials[ i ] ) ); + }, - } + // Memory management for AnimationAction objects - return group; + _isActiveAction: function( action ) { + + var index = action._cacheIndex; + return index !== null && index < this._nActiveActions; }, - detach: function ( child, parent, scene ) { + _addInactiveAction: function( action, clipUuid, rootUuid ) { - child.applyMatrix( parent.matrixWorld ); - parent.remove( child ); - scene.add( child ); + var actions = this._actions, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; - }, + if ( actionsForClip === undefined ) { - attach: function ( child, scene, parent ) { + actionsForClip = { - var matrixWorldInverse = new Matrix4(); - matrixWorldInverse.getInverse( parent.matrixWorld ); - child.applyMatrix( matrixWorldInverse ); + knownActions: [ action ], + actionByRoot: {} - scene.remove( child ); - parent.add( child ); + }; - } + action._byClipCacheIndex = 0; - }; + actionsByClip[ clipUuid ] = actionsForClip; - /** - * @author mrdoob / http://mrdoob.com/ - */ + } else { - function Face4 ( a, b, c, d, normal, color, materialIndex ) { - console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); - return new Face3( a, b, c, normal, color, materialIndex ); - } + var knownActions = actionsForClip.knownActions; - var LineStrip = 0; + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); - var LinePieces = 1; + } - function PointCloud ( geometry, material ) { - console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - } + action._cacheIndex = actions.length; + actions.push( action ); - function ParticleSystem ( geometry, material ) { - console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); - return new Points( geometry, material ); - } + actionsForClip.actionByRoot[ rootUuid ] = action; - function PointCloudMaterial ( parameters ) { - console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + }, - function ParticleBasicMaterial ( parameters ) { - console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + _removeInactiveAction: function( action ) { - function ParticleSystemMaterial ( parameters ) { - console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); - return new PointsMaterial( parameters ); - } + var actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; - function Vertex ( x, y, z ) { - console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); - return new Vector3( x, y, z ); - } + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); - // + action._cacheIndex = null; - function EdgesHelper( object, hex ) { - console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); - return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - } - function WireframeHelper( object, hex ) { - console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); - return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); - } + var clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, - // + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], - Object.assign( Box2.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - }, - empty: function () { - console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - }, - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - size: function ( optionalTarget ) { - console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - } - } ); + byClipCacheIndex = action._byClipCacheIndex; - Object.assign( Box3.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - }, - empty: function () { - console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); - return this.isEmpty(); - }, - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - isIntersectionSphere: function ( sphere ) { - console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - }, - size: function ( optionalTarget ) { - console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); - return this.getSize( optionalTarget ); - } - } ); + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); - Object.assign( Line3.prototype, { - center: function ( optionalTarget ) { - console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); - return this.getCenter( optionalTarget ); - } - } ); + action._byClipCacheIndex = null; - Object.assign( Matrix3.prototype, { - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); - return vector.applyMatrix3( this ); - }, - multiplyVector3Array: function ( a ) { - console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); - return this.applyToVector3Array( a ); - } - } ); - Object.assign( Matrix4.prototype, { - extractPosition: function ( m ) { - console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); - return this.copyPosition( m ); - }, - setRotationFromQuaternion: function ( q ) { - console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); - return this.makeRotationFromQuaternion( q ); - }, - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' ); - return vector.applyProjection( this ); - }, - multiplyVector4: function ( vector ) { - console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - }, - multiplyVector3Array: function ( a ) { - console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); - return this.applyToVector3Array( a ); - }, - rotateAxis: function ( v ) { - console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); - v.transformDirection( this ); - }, - crossVector: function ( vector ) { - console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); - return vector.applyMatrix4( this ); - }, - translate: function ( v ) { - console.error( 'THREE.Matrix4: .translate() has been removed.' ); - }, - rotateX: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); - }, - rotateY: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); - }, - rotateZ: function ( angle ) { - console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); - }, - rotateByAxis: function ( axis, angle ) { - console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); - } - } ); + var actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( actions._localRoot || this._root ).uuid; - Object.assign( Plane.prototype, { - isIntersectionLine: function ( line ) { - console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); - return this.intersectsLine( line ); - } - } ); + delete actionByRoot[ rootUuid ]; - Object.assign( Quaternion.prototype, { - multiplyVector3: function ( vector ) { - console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); - return vector.applyQuaternion( this ); - } - } ); + if ( knownActionsForClip.length === 0 ) { - Object.assign( Ray.prototype, { - isIntersectionBox: function ( box ) { - console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); - return this.intersectsBox( box ); - }, - isIntersectionPlane: function ( plane ) { - console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); - return this.intersectsPlane( plane ); - }, - isIntersectionSphere: function ( sphere ) { - console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); - return this.intersectsSphere( sphere ); - } - } ); + delete actionsByClip[ clipUuid ]; - Object.assign( Shape.prototype, { - extrude: function ( options ) { - console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); - return new ExtrudeGeometry( this, options ); - }, - makeGeometry: function ( options ) { - console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); - return new ShapeGeometry( this, options ); - } - } ); + } + + this._removeInactiveBindingsForAction( action ); - Object.assign( Vector3.prototype, { - setEulerFromRotationMatrix: function () { - console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); - }, - setEulerFromQuaternion: function () { - console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); - }, - getPositionFromMatrix: function ( m ) { - console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); - return this.setFromMatrixPosition( m ); - }, - getScaleFromMatrix: function ( m ) { - console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); - return this.setFromMatrixScale( m ); }, - getColumnFromMatrix: function ( index, matrix ) { - console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); - return this.setFromMatrixColumn( matrix, index ); - } - } ); - // + _removeInactiveBindingsForAction: function( action ) { - Object.assign( Object3D.prototype, { - getChildByName: function ( name ) { - console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); - return this.getObjectByName( name ); - }, - renderDepth: function ( value ) { - console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); - }, - translate: function ( distance, axis ) { - console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); - return this.translateOnAxis( axis, distance ); - } - } ); + var bindings = action._propertyBindings; + for ( var i = 0, n = bindings.length; i !== n; ++ i ) { + + var binding = bindings[ i ]; + + if ( -- binding.referenceCount === 0 ) { + + this._removeInactiveBinding( binding ); + + } - Object.defineProperties( Object3D.prototype, { - eulerOrder: { - get: function () { - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - return this.rotation.order; - }, - set: function ( value ) { - console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); - this.rotation.order = value; } + }, - useQuaternion: { - get: function () { - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - }, - set: function ( value ) { - console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); - } - } - } ); - Object.defineProperties( LOD.prototype, { - objects: { - get: function () { - console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); - return this.levels; - } - } - } ); + _lendAction: function( action ) { - // + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s - PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { + var actions = this._actions, + prevIndex = action._cacheIndex, - console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + - "Use .setFocalLength and .filmGauge for a photographic setup." ); + lastActiveIndex = this._nActiveActions ++, - if ( filmGauge !== undefined ) this.filmGauge = filmGauge; - this.setFocalLength( focalLength ); + firstInactiveAction = actions[ lastActiveIndex ]; - }; + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; - // + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; - Object.defineProperties( Light.prototype, { - onlyShadow: { - set: function ( value ) { - console.warn( 'THREE.Light: .onlyShadow has been removed.' ); - } }, - shadowCameraFov: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); - this.shadow.camera.fov = value; - } + + _takeBackAction: function( action ) { + + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + + var actions = this._actions, + prevIndex = action._cacheIndex, + + firstInactiveIndex = -- this._nActiveActions, + + lastActiveAction = actions[ firstInactiveIndex ]; + + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + }, - shadowCameraLeft: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); - this.shadow.camera.left = value; + + // Memory management for PropertyMixer objects + + _addInactiveBinding: function( binding, rootUuid, trackName ) { + + var bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + bindings = this._bindings; + + if ( bindingByName === undefined ) { + + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + } + + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); + }, - shadowCameraRight: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); - this.shadow.camera.right = value; + + _removeInactiveBinding: function( binding ) { + + var bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + + delete bindingByName[ trackName ]; + + remove_empty_map: { + + for ( var _ in bindingByName ) break remove_empty_map; + + delete bindingsByRoot[ rootUuid ]; + } + }, - shadowCameraTop: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); - this.shadow.camera.top = value; - } + + _lendBinding: function( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + lastActiveIndex = this._nActiveBindings ++, + + firstInactiveBinding = bindings[ lastActiveIndex ]; + + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + }, - shadowCameraBottom: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); - this.shadow.camera.bottom = value; - } + + _takeBackBinding: function( binding ) { + + var bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + }, - shadowCameraNear: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); - this.shadow.camera.near = value; + + + // Memory management of Interpolants for weight and time scale + + _lendControlInterpolant: function() { + + var interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++, + interpolant = interpolants[ lastActiveIndex ]; + + if ( interpolant === undefined ) { + + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, this._controlInterpolantsResultBuffer ); + + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + } + + return interpolant; + }, - shadowCameraFar: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); - this.shadow.camera.far = value; - } - }, - shadowCameraVisible: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); - } - }, - shadowBias: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); - this.shadow.bias = value; - } - }, - shadowDarkness: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); - } - }, - shadowMapWidth: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); - this.shadow.mapSize.width = value; - } - }, - shadowMapHeight: { - set: function ( value ) { - console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); - this.shadow.mapSize.height = value; - } - } - } ); - // + _takeBackControlInterpolant: function( interpolant ) { - Object.defineProperties( BufferAttribute.prototype, { - length: { - get: function () { - console.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' ); - return this.array.length; - } - } - } ); + var interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, - Object.assign( BufferGeometry.prototype, { - addIndex: function ( index ) { - console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); - this.setIndex( index ); - }, - addDrawCall: function ( start, count, indexOffset ) { - if ( indexOffset !== undefined ) { - console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); - } - console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); - this.addGroup( start, count ); - }, - clearDrawCalls: function () { - console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); - this.clearGroups(); - }, - computeTangents: function () { - console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); - }, - computeOffsets: function () { - console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); - } - } ); + firstInactiveIndex = -- this._nActiveControlInterpolants, - Object.defineProperties( BufferGeometry.prototype, { - drawcalls: { - get: function () { - console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); - return this.groups; - } - }, - offsets: { - get: function () { - console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); - return this.groups; - } - } - } ); + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; - // + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; - Object.defineProperties( Material.prototype, { - wrapAround: { - get: function () { - console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); - }, - set: function ( value ) { - console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); - } }, - wrapRGB: { - get: function () { - console.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' ); - return new Color(); - } - } - } ); - Object.defineProperties( MeshPhongMaterial.prototype, { - metal: { - get: function () { - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); - return false; - }, - set: function ( value ) { - console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); - } - } - } ); + _controlInterpolantsResultBuffer: new Float32Array( 1 ) - Object.defineProperties( ShaderMaterial.prototype, { - derivatives: { - get: function () { - console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - return this.extensions.derivatives; - }, - set: function ( value ) { - console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); - this.extensions.derivatives = value; - } - } } ); - // - - EventDispatcher.prototype = Object.assign( Object.create( { - - // Note: Extra base ensures these properties are not 'assign'ed. - - constructor: EventDispatcher, + /** + * @author mrdoob / http://mrdoob.com/ + */ - apply: function ( target ) { + function Uniform( value ) { - console.warn( "THREE.EventDispatcher: .apply is deprecated, " + - "just inherit or Object.assign the prototype to mix-in." ); + if ( typeof value === 'string' ) { - Object.assign( target, this ); + console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); + value = arguments[ 1 ]; } - } ), EventDispatcher.prototype ); + this.value = value; - // + } - Object.defineProperties( Uniform.prototype, { - dynamic: { - set: function ( value ) { - console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); - } - }, - onUpdate: { - value: function () { - console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); - return this; - } - } - } ); + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - // + function InstancedBufferGeometry() { - Object.assign( WebGLRenderer.prototype, { - supportsFloatTextures: function () { - console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); - return this.extensions.get( 'OES_texture_float' ); - }, - supportsHalfFloatTextures: function () { - console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); - return this.extensions.get( 'OES_texture_half_float' ); - }, - supportsStandardDerivatives: function () { - console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); - return this.extensions.get( 'OES_standard_derivatives' ); - }, - supportsCompressedTextureS3TC: function () { - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); - }, - supportsCompressedTexturePVRTC: function () { - console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); - return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); - }, - supportsBlendMinMax: function () { - console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); - return this.extensions.get( 'EXT_blend_minmax' ); - }, - supportsVertexTextures: function () { - return this.capabilities.vertexTextures; - }, - supportsInstancedArrays: function () { - console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); - return this.extensions.get( 'ANGLE_instanced_arrays' ); - }, - enableScissorTest: function ( boolean ) { - console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); - this.setScissorTest( boolean ); - }, - initMaterial: function () { - console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); - }, - addPrePlugin: function () { - console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); - }, - addPostPlugin: function () { - console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); - }, - updateShadowMap: function () { - console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); - } - } ); + BufferGeometry.call( this ); - Object.defineProperties( WebGLRenderer.prototype, { - shadowMapEnabled: { - get: function () { - return this.shadowMap.enabled; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); - this.shadowMap.enabled = value; - } - }, - shadowMapType: { - get: function () { - return this.shadowMap.type; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); - this.shadowMap.type = value; - } - }, - shadowMapCullFace: { - get: function () { - return this.shadowMap.cullFace; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' ); - this.shadowMap.cullFace = value; - } - } - } ); + this.type = 'InstancedBufferGeometry'; + this.maxInstancedCount = undefined; - Object.defineProperties( WebGLShadowMap.prototype, { - cullFace: { - get: function () { - return this.renderReverseSided ? CullFaceFront : CullFaceBack; - }, - set: function ( cullFace ) { - var value = ( cullFace !== CullFaceBack ); - console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." ); - this.renderReverseSided = value; - } - } - } ); + } - // + InstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype ); + InstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry; - Object.defineProperties( WebGLRenderTarget.prototype, { - wrapS: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); - return this.texture.wrapS; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); - this.texture.wrapS = value; - } - }, - wrapT: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); - return this.texture.wrapT; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); - this.texture.wrapT = value; - } - }, - magFilter: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); - return this.texture.magFilter; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); - this.texture.magFilter = value; - } - }, - minFilter: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); - return this.texture.minFilter; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); - this.texture.minFilter = value; - } - }, - anisotropy: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); - return this.texture.anisotropy; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); - this.texture.anisotropy = value; - } - }, - offset: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); - return this.texture.offset; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); - this.texture.offset = value; - } - }, - repeat: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); - return this.texture.repeat; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); - this.texture.repeat = value; - } - }, - format: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); - return this.texture.format; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); - this.texture.format = value; - } - }, - type: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); - return this.texture.type; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); - this.texture.type = value; - } - }, - generateMipmaps: { - get: function () { - console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); - return this.texture.generateMipmaps; - }, - set: function ( value ) { - console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); - this.texture.generateMipmaps = value; - } - } - } ); + InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true; - // + InstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) { - Object.assign( Audio.prototype, { - load: function ( file ) { - console.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' ); - var scope = this; - var audioLoader = new AudioLoader(); - audioLoader.load( file, function ( buffer ) { - scope.setBuffer( buffer ); - } ); - return this; - } - } ); + this.groups.push( { - Object.assign( AudioAnalyser.prototype, { - getData: function ( file ) { - console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); - return this.getFrequencyData(); - } - } ); + start: start, + count: count, + materialIndex: materialIndex - // + } ); - var GeometryUtils = { + }; - merge: function ( geometry1, geometry2, materialIndexOffset ) { + InstancedBufferGeometry.prototype.copy = function ( source ) { - console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); + var index = source.index; - var matrix; + if ( index !== null ) { - if ( geometry2.isMesh ) { + this.setIndex( index.clone() ); - geometry2.matrixAutoUpdate && geometry2.updateMatrix(); + } - matrix = geometry2.matrix; - geometry2 = geometry2.geometry; + var attributes = source.attributes; - } + for ( var name in attributes ) { - geometry1.merge( geometry2, matrix, materialIndexOffset ); + var attribute = attributes[ name ]; + this.addAttribute( name, attribute.clone() ); - }, + } - center: function ( geometry ) { + var groups = source.groups; - console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); - return geometry.center(); + for ( var i = 0, l = groups.length; i < l; i ++ ) { + + var group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); } + return this; + }; - var ImageUtils = { + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - crossOrigin: undefined, + function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) { - loadTexture: function ( url, mapping, onLoad, onError ) { + this.uuid = _Math.generateUUID(); - console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; - var loader = new TextureLoader(); - loader.setCrossOrigin( this.crossOrigin ); + this.normalized = normalized === true; - var texture = loader.load( url, onLoad, undefined, onError ); + } - if ( mapping ) texture.mapping = mapping; - return texture; + InterleavedBufferAttribute.prototype = { - }, + constructor: InterleavedBufferAttribute, - loadTextureCube: function ( urls, mapping, onLoad, onError ) { + isInterleavedBufferAttribute: true, - console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); + get count() { - var loader = new CubeTextureLoader(); - loader.setCrossOrigin( this.crossOrigin ); + return this.data.count; - var texture = loader.load( urls, onLoad, undefined, onError ); + }, - if ( mapping ) texture.mapping = mapping; + get array() { - return texture; + return this.data.array; }, - loadCompressedTexture: function () { + setX: function ( index, x ) { - console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); + this.data.array[ index * this.data.stride + this.offset ] = x; + + return this; }, - loadCompressedTextureCube: function () { + setY: function ( index, y ) { - console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; - } + return this; - }; + }, - // + setZ: function ( index, z ) { - function Projector () { + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; - console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' ); + return this; - this.projectVector = function ( vector, camera ) { + }, - console.warn( 'THREE.Projector: .projectVector() is now vector.project().' ); - vector.project( camera ); + setW: function ( index, w ) { - }; + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; - this.unprojectVector = function ( vector, camera ) { + return this; - console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' ); - vector.unproject( camera ); + }, - }; + getX: function ( index ) { - this.pickingRay = function ( vector, camera ) { + return this.data.array[ index * this.data.stride + this.offset ]; - console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' ); + }, - }; + getY: function ( index ) { - } + return this.data.array[ index * this.data.stride + this.offset + 1 ]; - // + }, - function CanvasRenderer () { + getZ: function ( index ) { - console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' ); + return this.data.array[ index * this.data.stride + this.offset + 2 ]; - this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); - this.clear = function () {}; - this.render = function () {}; - this.setClearColor = function () {}; - this.setSize = function () {}; - - } - - exports.WebGLRenderTargetCube = WebGLRenderTargetCube; - exports.WebGLRenderTarget = WebGLRenderTarget; - exports.WebGLRenderer = WebGLRenderer; - exports.ShaderLib = ShaderLib; - exports.UniformsLib = UniformsLib; - exports.UniformsUtils = UniformsUtils; - exports.ShaderChunk = ShaderChunk; - exports.FogExp2 = FogExp2; - exports.Fog = Fog; - exports.Scene = Scene; - exports.LensFlare = LensFlare; - exports.Sprite = Sprite; - exports.LOD = LOD; - exports.SkinnedMesh = SkinnedMesh; - exports.Skeleton = Skeleton; - exports.Bone = Bone; - exports.Mesh = Mesh; - exports.LineSegments = LineSegments; - exports.Line = Line; - exports.Points = Points; - exports.Group = Group; - exports.VideoTexture = VideoTexture; - exports.DataTexture = DataTexture; - exports.CompressedTexture = CompressedTexture; - exports.CubeTexture = CubeTexture; - exports.CanvasTexture = CanvasTexture; - exports.DepthTexture = DepthTexture; - exports.TextureIdCount = TextureIdCount; - exports.Texture = Texture; - exports.MaterialIdCount = MaterialIdCount; - exports.CompressedTextureLoader = CompressedTextureLoader; - exports.BinaryTextureLoader = BinaryTextureLoader; - exports.DataTextureLoader = DataTextureLoader; - exports.CubeTextureLoader = CubeTextureLoader; - exports.TextureLoader = TextureLoader; - exports.ObjectLoader = ObjectLoader; - exports.MaterialLoader = MaterialLoader; - exports.BufferGeometryLoader = BufferGeometryLoader; - exports.DefaultLoadingManager = DefaultLoadingManager; - exports.LoadingManager = LoadingManager; - exports.JSONLoader = JSONLoader; - exports.ImageLoader = ImageLoader; - exports.FontLoader = FontLoader; - exports.XHRLoader = XHRLoader; - exports.Loader = Loader; - exports.Cache = Cache; - exports.AudioLoader = AudioLoader; - exports.SpotLightShadow = SpotLightShadow; - exports.SpotLight = SpotLight; - exports.PointLight = PointLight; - exports.HemisphereLight = HemisphereLight; - exports.DirectionalLightShadow = DirectionalLightShadow; - exports.DirectionalLight = DirectionalLight; - exports.AmbientLight = AmbientLight; - exports.LightShadow = LightShadow; - exports.Light = Light; - exports.StereoCamera = StereoCamera; - exports.PerspectiveCamera = PerspectiveCamera; - exports.OrthographicCamera = OrthographicCamera; - exports.CubeCamera = CubeCamera; - exports.Camera = Camera; - exports.AudioListener = AudioListener; - exports.PositionalAudio = PositionalAudio; - exports.getAudioContext = getAudioContext; - exports.AudioAnalyser = AudioAnalyser; - exports.Audio = Audio; - exports.VectorKeyframeTrack = VectorKeyframeTrack; - exports.StringKeyframeTrack = StringKeyframeTrack; - exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack; - exports.NumberKeyframeTrack = NumberKeyframeTrack; - exports.ColorKeyframeTrack = ColorKeyframeTrack; - exports.BooleanKeyframeTrack = BooleanKeyframeTrack; - exports.PropertyMixer = PropertyMixer; - exports.PropertyBinding = PropertyBinding; - exports.KeyframeTrack = KeyframeTrack; - exports.AnimationUtils = AnimationUtils; - exports.AnimationObjectGroup = AnimationObjectGroup; - exports.AnimationMixer = AnimationMixer; - exports.AnimationClip = AnimationClip; - exports.Uniform = Uniform; - exports.InstancedBufferGeometry = InstancedBufferGeometry; - exports.BufferGeometry = BufferGeometry; - exports.GeometryIdCount = GeometryIdCount; - exports.Geometry = Geometry; - exports.InterleavedBufferAttribute = InterleavedBufferAttribute; - exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer; - exports.InterleavedBuffer = InterleavedBuffer; - exports.InstancedBufferAttribute = InstancedBufferAttribute; - exports.DynamicBufferAttribute = DynamicBufferAttribute; - exports.Float64Attribute = Float64Attribute; - exports.Float32Attribute = Float32Attribute; - exports.Uint32Attribute = Uint32Attribute; - exports.Int32Attribute = Int32Attribute; - exports.Uint16Attribute = Uint16Attribute; - exports.Int16Attribute = Int16Attribute; - exports.Uint8ClampedAttribute = Uint8ClampedAttribute; - exports.Uint8Attribute = Uint8Attribute; - exports.Int8Attribute = Int8Attribute; - exports.BufferAttribute = BufferAttribute; - exports.Face3 = Face3; - exports.Object3DIdCount = Object3DIdCount; - exports.Object3D = Object3D; - exports.Raycaster = Raycaster; - exports.Layers = Layers; - exports.EventDispatcher = EventDispatcher; - exports.Clock = Clock; - exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant; - exports.LinearInterpolant = LinearInterpolant; - exports.DiscreteInterpolant = DiscreteInterpolant; - exports.CubicInterpolant = CubicInterpolant; - exports.Interpolant = Interpolant; - exports.Triangle = Triangle; - exports.Spline = Spline; - exports.Math = _Math; - exports.Spherical = Spherical; - exports.Plane = Plane; - exports.Frustum = Frustum; - exports.Sphere = Sphere; - exports.Ray = Ray; - exports.Matrix4 = Matrix4; - exports.Matrix3 = Matrix3; - exports.Box3 = Box3; - exports.Box2 = Box2; - exports.Line3 = Line3; - exports.Euler = Euler; - exports.Vector4 = Vector4; - exports.Vector3 = Vector3; - exports.Vector2 = Vector2; - exports.Quaternion = Quaternion; - exports.ColorKeywords = ColorKeywords; - exports.Color = Color; - exports.MorphBlendMesh = MorphBlendMesh; - exports.ImmediateRenderObject = ImmediateRenderObject; - exports.VertexNormalsHelper = VertexNormalsHelper; - exports.SpotLightHelper = SpotLightHelper; - exports.SkeletonHelper = SkeletonHelper; - exports.PointLightHelper = PointLightHelper; - exports.HemisphereLightHelper = HemisphereLightHelper; - exports.GridHelper = GridHelper; - exports.FaceNormalsHelper = FaceNormalsHelper; - exports.DirectionalLightHelper = DirectionalLightHelper; - exports.CameraHelper = CameraHelper; - exports.BoundingBoxHelper = BoundingBoxHelper; - exports.BoxHelper = BoxHelper; - exports.ArrowHelper = ArrowHelper; - exports.AxisHelper = AxisHelper; - exports.ClosedSplineCurve3 = ClosedSplineCurve3; - exports.CatmullRomCurve3 = CatmullRomCurve3; - exports.SplineCurve3 = SplineCurve3; - exports.CubicBezierCurve3 = CubicBezierCurve3; - exports.QuadraticBezierCurve3 = QuadraticBezierCurve3; - exports.LineCurve3 = LineCurve3; - exports.ArcCurve = ArcCurve; - exports.EllipseCurve = EllipseCurve; - exports.SplineCurve = SplineCurve; - exports.CubicBezierCurve = CubicBezierCurve; - exports.QuadraticBezierCurve = QuadraticBezierCurve; - exports.LineCurve = LineCurve; - exports.Shape = Shape; - exports.ShapePath = ShapePath; - exports.Path = Path; - exports.Font = Font; - exports.CurvePath = CurvePath; - exports.Curve = Curve; - exports.ShapeUtils = ShapeUtils; - exports.SceneUtils = SceneUtils; - exports.CurveUtils = CurveUtils; - exports.WireframeGeometry = WireframeGeometry; - exports.ParametricGeometry = ParametricGeometry; - exports.ParametricBufferGeometry = ParametricBufferGeometry; - exports.TetrahedronGeometry = TetrahedronGeometry; - exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry; - exports.OctahedronGeometry = OctahedronGeometry; - exports.OctahedronBufferGeometry = OctahedronBufferGeometry; - exports.IcosahedronGeometry = IcosahedronGeometry; - exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry; - exports.DodecahedronGeometry = DodecahedronGeometry; - exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry; - exports.PolyhedronGeometry = PolyhedronGeometry; - exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry; - exports.TubeGeometry = TubeGeometry; - exports.TubeBufferGeometry = TubeBufferGeometry; - exports.TorusKnotGeometry = TorusKnotGeometry; - exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry; - exports.TorusGeometry = TorusGeometry; - exports.TorusBufferGeometry = TorusBufferGeometry; - exports.TextGeometry = TextGeometry; - exports.SphereBufferGeometry = SphereBufferGeometry; - exports.SphereGeometry = SphereGeometry; - exports.RingGeometry = RingGeometry; - exports.RingBufferGeometry = RingBufferGeometry; - exports.PlaneBufferGeometry = PlaneBufferGeometry; - exports.PlaneGeometry = PlaneGeometry; - exports.LatheGeometry = LatheGeometry; - exports.LatheBufferGeometry = LatheBufferGeometry; - exports.ShapeGeometry = ShapeGeometry; - exports.ExtrudeGeometry = ExtrudeGeometry; - exports.EdgesGeometry = EdgesGeometry; - exports.ConeGeometry = ConeGeometry; - exports.ConeBufferGeometry = ConeBufferGeometry; - exports.CylinderGeometry = CylinderGeometry; - exports.CylinderBufferGeometry = CylinderBufferGeometry; - exports.CircleBufferGeometry = CircleBufferGeometry; - exports.CircleGeometry = CircleGeometry; - exports.BoxBufferGeometry = BoxBufferGeometry; - exports.BoxGeometry = BoxGeometry; - exports.ShadowMaterial = ShadowMaterial; - exports.SpriteMaterial = SpriteMaterial; - exports.RawShaderMaterial = RawShaderMaterial; - exports.ShaderMaterial = ShaderMaterial; - exports.PointsMaterial = PointsMaterial; - exports.MultiMaterial = MultiMaterial; - exports.MeshPhysicalMaterial = MeshPhysicalMaterial; - exports.MeshStandardMaterial = MeshStandardMaterial; - exports.MeshPhongMaterial = MeshPhongMaterial; - exports.MeshNormalMaterial = MeshNormalMaterial; - exports.MeshLambertMaterial = MeshLambertMaterial; - exports.MeshDepthMaterial = MeshDepthMaterial; - exports.MeshBasicMaterial = MeshBasicMaterial; - exports.LineDashedMaterial = LineDashedMaterial; - exports.LineBasicMaterial = LineBasicMaterial; - exports.Material = Material; - exports.REVISION = REVISION; - exports.MOUSE = MOUSE; - exports.CullFaceNone = CullFaceNone; - exports.CullFaceBack = CullFaceBack; - exports.CullFaceFront = CullFaceFront; - exports.CullFaceFrontBack = CullFaceFrontBack; - exports.FrontFaceDirectionCW = FrontFaceDirectionCW; - exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; - exports.BasicShadowMap = BasicShadowMap; - exports.PCFShadowMap = PCFShadowMap; - exports.PCFSoftShadowMap = PCFSoftShadowMap; - exports.FrontSide = FrontSide; - exports.BackSide = BackSide; - exports.DoubleSide = DoubleSide; - exports.FlatShading = FlatShading; - exports.SmoothShading = SmoothShading; - exports.NoColors = NoColors; - exports.FaceColors = FaceColors; - exports.VertexColors = VertexColors; - exports.NoBlending = NoBlending; - exports.NormalBlending = NormalBlending; - exports.AdditiveBlending = AdditiveBlending; - exports.SubtractiveBlending = SubtractiveBlending; - exports.MultiplyBlending = MultiplyBlending; - exports.CustomBlending = CustomBlending; - exports.BlendingMode = BlendingMode; - exports.AddEquation = AddEquation; - exports.SubtractEquation = SubtractEquation; - exports.ReverseSubtractEquation = ReverseSubtractEquation; - exports.MinEquation = MinEquation; - exports.MaxEquation = MaxEquation; - exports.ZeroFactor = ZeroFactor; - exports.OneFactor = OneFactor; - exports.SrcColorFactor = SrcColorFactor; - exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; - exports.SrcAlphaFactor = SrcAlphaFactor; - exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; - exports.DstAlphaFactor = DstAlphaFactor; - exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; - exports.DstColorFactor = DstColorFactor; - exports.OneMinusDstColorFactor = OneMinusDstColorFactor; - exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; - exports.NeverDepth = NeverDepth; - exports.AlwaysDepth = AlwaysDepth; - exports.LessDepth = LessDepth; - exports.LessEqualDepth = LessEqualDepth; - exports.EqualDepth = EqualDepth; - exports.GreaterEqualDepth = GreaterEqualDepth; - exports.GreaterDepth = GreaterDepth; - exports.NotEqualDepth = NotEqualDepth; - exports.MultiplyOperation = MultiplyOperation; - exports.MixOperation = MixOperation; - exports.AddOperation = AddOperation; - exports.NoToneMapping = NoToneMapping; - exports.LinearToneMapping = LinearToneMapping; - exports.ReinhardToneMapping = ReinhardToneMapping; - exports.Uncharted2ToneMapping = Uncharted2ToneMapping; - exports.CineonToneMapping = CineonToneMapping; - exports.UVMapping = UVMapping; - exports.CubeReflectionMapping = CubeReflectionMapping; - exports.CubeRefractionMapping = CubeRefractionMapping; - exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; - exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; - exports.SphericalReflectionMapping = SphericalReflectionMapping; - exports.CubeUVReflectionMapping = CubeUVReflectionMapping; - exports.CubeUVRefractionMapping = CubeUVRefractionMapping; - exports.TextureMapping = TextureMapping; - exports.RepeatWrapping = RepeatWrapping; - exports.ClampToEdgeWrapping = ClampToEdgeWrapping; - exports.MirroredRepeatWrapping = MirroredRepeatWrapping; - exports.TextureWrapping = TextureWrapping; - exports.NearestFilter = NearestFilter; - exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; - exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; - exports.LinearFilter = LinearFilter; - exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; - exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; - exports.TextureFilter = TextureFilter; - exports.UnsignedByteType = UnsignedByteType; - exports.ByteType = ByteType; - exports.ShortType = ShortType; - exports.UnsignedShortType = UnsignedShortType; - exports.IntType = IntType; - exports.UnsignedIntType = UnsignedIntType; - exports.FloatType = FloatType; - exports.HalfFloatType = HalfFloatType; - exports.UnsignedShort4444Type = UnsignedShort4444Type; - exports.UnsignedShort5551Type = UnsignedShort5551Type; - exports.UnsignedShort565Type = UnsignedShort565Type; - exports.UnsignedInt248Type = UnsignedInt248Type; - exports.AlphaFormat = AlphaFormat; - exports.RGBFormat = RGBFormat; - exports.RGBAFormat = RGBAFormat; - exports.LuminanceFormat = LuminanceFormat; - exports.LuminanceAlphaFormat = LuminanceAlphaFormat; - exports.RGBEFormat = RGBEFormat; - exports.DepthFormat = DepthFormat; - exports.DepthStencilFormat = DepthStencilFormat; - exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; - exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; - exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; - exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; - exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; - exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; - exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; - exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; - exports.RGB_ETC1_Format = RGB_ETC1_Format; - exports.LoopOnce = LoopOnce; - exports.LoopRepeat = LoopRepeat; - exports.LoopPingPong = LoopPingPong; - exports.InterpolateDiscrete = InterpolateDiscrete; - exports.InterpolateLinear = InterpolateLinear; - exports.InterpolateSmooth = InterpolateSmooth; - exports.ZeroCurvatureEnding = ZeroCurvatureEnding; - exports.ZeroSlopeEnding = ZeroSlopeEnding; - exports.WrapAroundEnding = WrapAroundEnding; - exports.TrianglesDrawMode = TrianglesDrawMode; - exports.TriangleStripDrawMode = TriangleStripDrawMode; - exports.TriangleFanDrawMode = TriangleFanDrawMode; - exports.LinearEncoding = LinearEncoding; - exports.sRGBEncoding = sRGBEncoding; - exports.GammaEncoding = GammaEncoding; - exports.RGBEEncoding = RGBEEncoding; - exports.LogLuvEncoding = LogLuvEncoding; - exports.RGBM7Encoding = RGBM7Encoding; - exports.RGBM16Encoding = RGBM16Encoding; - exports.RGBDEncoding = RGBDEncoding; - exports.BasicDepthPacking = BasicDepthPacking; - exports.RGBADepthPacking = RGBADepthPacking; - exports.CubeGeometry = BoxGeometry; - exports.Face4 = Face4; - exports.LineStrip = LineStrip; - exports.LinePieces = LinePieces; - exports.MeshFaceMaterial = MultiMaterial; - exports.PointCloud = PointCloud; - exports.Particle = Sprite; - exports.ParticleSystem = ParticleSystem; - exports.PointCloudMaterial = PointCloudMaterial; - exports.ParticleBasicMaterial = ParticleBasicMaterial; - exports.ParticleSystemMaterial = ParticleSystemMaterial; - exports.Vertex = Vertex; - exports.EdgesHelper = EdgesHelper; - exports.WireframeHelper = WireframeHelper; - exports.GeometryUtils = GeometryUtils; - exports.ImageUtils = ImageUtils; - exports.Projector = Projector; - exports.CanvasRenderer = CanvasRenderer; - - Object.defineProperty(exports, '__esModule', { value: true }); - - Object.defineProperty( exports, 'AudioContext', { - get: function () { - return exports.getAudioContext(); - } - }); - - }))); - - -/***/ }, -/* 3 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__.p + "./assets/silver-3da470.bmp"; - -/***/ }, -/* 4 */ -/***/ function(module, exports, __webpack_require__) { - - 'use strict'; - - Object.defineProperty(exports, "__esModule", { - value: true - }); - - var _statsJs = __webpack_require__(5); - - var _statsJs2 = _interopRequireDefault(_statsJs); - - var _datGui = __webpack_require__(6); - - var _datGui2 = _interopRequireDefault(_datGui); - - function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - - var THREE = __webpack_require__(2); - var OrbitControls = __webpack_require__(9)(THREE); - - - // when the scene is done initializing, the function passed as `callback` will be executed - // then, every frame, the function passed as `update` will be executed - function init(callback, update) { - var stats = new _statsJs2.default(); - stats.setMode(1); - stats.domElement.style.position = 'absolute'; - stats.domElement.style.left = '0px'; - stats.domElement.style.top = '0px'; - document.body.appendChild(stats.domElement); - - var gui = new _datGui2.default.GUI(); - - var framework = { - gui: gui, - stats: stats - }; - - // run this function after the window loads - window.addEventListener('load', function () { - - var scene = new THREE.Scene(); - var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); - var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }); - renderer.setPixelRatio(window.devicePixelRatio); - renderer.setSize(window.innerWidth, window.innerHeight); - renderer.setClearColor(0x020202, 0); - - var controls = new OrbitControls(camera, renderer.domElement); - controls.enableDamping = true; - controls.enableZoom = true; - controls.target.set(0, 0, 0); - controls.rotateSpeed = 0.3; - controls.zoomSpeed = 1.0; - controls.panSpeed = 2.0; - controls.addEventListener('change', function () { - camera.hasMoved = true; - }); - - document.body.appendChild(renderer.domElement); - - // resize the canvas when the window changes - window.addEventListener('resize', function () { - camera.aspect = window.innerWidth / window.innerHeight; - camera.updateProjectionMatrix(); - renderer.setSize(window.innerWidth, window.innerHeight); - }, false); - - // assign THREE.js objects to the object we will return - framework.scene = scene; - framework.camera = camera; - framework.renderer = renderer; - - // begin the animation loop - (function tick() { - stats.begin(); - update(framework); // perform any requested updates - renderer.render(scene, camera); // render the scene - stats.end(); - requestAnimationFrame(tick); // register to call this again when the browser renders a new frame - })(); - - // we will pass the scene, gui, renderer, camera, etc... to the callback function - return callback(framework); - }); - } - - exports.default = { - init: init - }; - -/***/ }, -/* 5 */ -/***/ function(module, exports) { - - // stats.js - http://github.com/mrdoob/stats.js - var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px"; - i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div"); - k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display= - "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height= - a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats); - - -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(7) - module.exports.color = __webpack_require__(8) - -/***/ }, -/* 7 */ -/***/ function(module, exports) { - - /** - * dat-gui JavaScript Controller Library - * http://code.google.com/p/dat-gui - * - * Copyright 2011 Data Arts Team, Google Creative Lab - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ - - /** @namespace */ - var dat = module.exports = dat || {}; + }, - /** @namespace */ - dat.gui = dat.gui || {}; + getW: function ( index ) { - /** @namespace */ - dat.utils = dat.utils || {}; + return this.data.array[ index * this.data.stride + this.offset + 3 ]; - /** @namespace */ - dat.controllers = dat.controllers || {}; + }, - /** @namespace */ - dat.dom = dat.dom || {}; + setXY: function ( index, x, y ) { - /** @namespace */ - dat.color = dat.color || {}; + index = index * this.data.stride + this.offset; - dat.utils.css = (function () { - return { - load: function (url, doc) { - doc = doc || document; - var link = doc.createElement('link'); - link.type = 'text/css'; - link.rel = 'stylesheet'; - link.href = url; - doc.getElementsByTagName('head')[0].appendChild(link); - }, - inject: function(css, doc) { - doc = doc || document; - var injected = document.createElement('style'); - injected.type = 'text/css'; - injected.innerHTML = css; - doc.getElementsByTagName('head')[0].appendChild(injected); - } - } - })(); + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + return this; - dat.utils.common = (function () { - - var ARR_EACH = Array.prototype.forEach; - var ARR_SLICE = Array.prototype.slice; + }, - /** - * Band-aid methods for things that should be a lot easier in JavaScript. - * Implementation and structure inspired by underscore.js - * http://documentcloud.github.com/underscore/ - */ + setXYZ: function ( index, x, y, z ) { - return { - - BREAK: {}, - - extend: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (!this.isUndefined(obj[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - defaults: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (this.isUndefined(target[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - compose: function() { - var toCall = ARR_SLICE.call(arguments); - return function() { - var args = ARR_SLICE.call(arguments); - for (var i = toCall.length -1; i >= 0; i--) { - args = [toCall[i].apply(this, args)]; - } - return args[0]; - } - }, - - each: function(obj, itr, scope) { + index = index * this.data.stride + this.offset; - - if (ARR_EACH && obj.forEach === ARR_EACH) { - - obj.forEach(itr, scope); - - } else if (obj.length === obj.length + 0) { // Is number but not NaN - - for (var key = 0, l = obj.length; key < l; key++) - if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) - return; - - } else { + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; - for (var key in obj) - if (itr.call(scope, obj[key], key) === this.BREAK) - return; - - } - - }, - - defer: function(fnc) { - setTimeout(fnc, 0); - }, - - toArray: function(obj) { - if (obj.toArray) return obj.toArray(); - return ARR_SLICE.call(obj); - }, + return this; - isUndefined: function(obj) { - return obj === undefined; - }, - - isNull: function(obj) { - return obj === null; - }, - - isNaN: function(obj) { - return obj !== obj; - }, - - isArray: Array.isArray || function(obj) { - return obj.constructor === Array; - }, - - isObject: function(obj) { - return obj === Object(obj); - }, - - isNumber: function(obj) { - return obj === obj+0; - }, - - isString: function(obj) { - return obj === obj+''; - }, - - isBoolean: function(obj) { - return obj === false || obj === true; - }, - - isFunction: function(obj) { - return Object.prototype.toString.call(obj) === '[object Function]'; - } - - }; - - })(); + }, + setXYZW: function ( index, x, y, z, w ) { - dat.controllers.Controller = (function (common) { + index = index * this.data.stride + this.offset; - /** - * @class An "abstract" class that represents a given property of an object. - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var Controller = function(object, property) { + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; - this.initialValue = object[property]; + return this; - /** - * Those who extend this class will put their DOM elements in here. - * @type {DOMElement} - */ - this.domElement = document.createElement('div'); + } - /** - * The object to manipulate - * @type {Object} - */ - this.object = object; + }; - /** - * The name of the property to manipulate - * @type {String} - */ - this.property = property; + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - /** - * The function to be called on change. - * @type {Function} - * @ignore - */ - this.__onChange = undefined; + function InterleavedBuffer( array, stride ) { - /** - * The function to be called on finishing change. - * @type {Function} - * @ignore - */ - this.__onFinishChange = undefined; + this.uuid = _Math.generateUUID(); - }; + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; - common.extend( + this.dynamic = false; + this.updateRange = { offset: 0, count: - 1 }; - Controller.prototype, + this.version = 0; - /** @lends dat.controllers.Controller.prototype */ - { + } - /** - * Specify that a function fire every time someone changes the value with - * this Controller. - * - * @param {Function} fnc This function will be called whenever the value - * is modified via this Controller. - * @returns {dat.controllers.Controller} this - */ - onChange: function(fnc) { - this.__onChange = fnc; - return this; - }, + InterleavedBuffer.prototype = { - /** - * Specify that a function fire every time someone "finishes" changing - * the value wih this Controller. Useful for values that change - * incrementally like numbers or strings. - * - * @param {Function} fnc This function will be called whenever - * someone "finishes" changing the value via this Controller. - * @returns {dat.controllers.Controller} this - */ - onFinishChange: function(fnc) { - this.__onFinishChange = fnc; - return this; - }, + constructor: InterleavedBuffer, - /** - * Change the value of object[property] - * - * @param {Object} newValue The new value of object[property] - */ - setValue: function(newValue) { - this.object[this.property] = newValue; - if (this.__onChange) { - this.__onChange.call(this, newValue); - } - this.updateDisplay(); - return this; - }, + isInterleavedBuffer: true, - /** - * Gets the value of object[property] - * - * @returns {Object} The current value of object[property] - */ - getValue: function() { - return this.object[this.property]; - }, + set needsUpdate( value ) { - /** - * Refreshes the visual display of a Controller in order to keep sync - * with the object's current value. - * @returns {dat.controllers.Controller} this - */ - updateDisplay: function() { - return this; - }, + if ( value === true ) this.version ++; - /** - * @returns {Boolean} true if the value has deviated from initialValue - */ - isModified: function() { - return this.initialValue !== this.getValue() - } + }, - } + setArray: function ( array ) { - ); + if ( Array.isArray( array ) ) { - return Controller; + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + } - })(dat.utils.common); + this.count = array !== undefined ? array.length / this.stride : 0; + this.array = array; + }, - dat.dom.dom = (function (common) { + setDynamic: function ( value ) { - var EVENT_MAP = { - 'HTMLEvents': ['change'], - 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'], - 'KeyboardEvents': ['keydown'] - }; + this.dynamic = value; - var EVENT_MAP_INV = {}; - common.each(EVENT_MAP, function(v, k) { - common.each(v, function(e) { - EVENT_MAP_INV[e] = k; - }); - }); + return this; - var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/; + }, - function cssValueToPixels(val) { + copy: function ( source ) { - if (val === '0' || common.isUndefined(val)) return 0; + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.dynamic = source.dynamic; - var match = val.match(CSS_VALUE_PIXELS); + return this; - if (!common.isNull(match)) { - return parseFloat(match[1]); - } + }, - // TODO ...ems? %? + copyAt: function ( index1, attribute, index2 ) { - return 0; + index1 *= this.stride; + index2 *= attribute.stride; - } + for ( var i = 0, l = this.stride; i < l; i ++ ) { - /** - * @namespace - * @member dat.dom - */ - var dom = { + this.array[ index1 + i ] = attribute.array[ index2 + i ]; - /** - * - * @param elem - * @param selectable - */ - makeSelectable: function(elem, selectable) { + } - if (elem === undefined || elem.style === undefined) return; + return this; - elem.onselectstart = selectable ? function() { - return false; - } : function() { - }; + }, - elem.style.MozUserSelect = selectable ? 'auto' : 'none'; - elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none'; - elem.unselectable = selectable ? 'on' : 'off'; + set: function ( value, offset ) { - }, + if ( offset === undefined ) offset = 0; - /** - * - * @param elem - * @param horizontal - * @param vertical - */ - makeFullscreen: function(elem, horizontal, vertical) { + this.array.set( value, offset ); - if (common.isUndefined(horizontal)) horizontal = true; - if (common.isUndefined(vertical)) vertical = true; + return this; - elem.style.position = 'absolute'; + }, - if (horizontal) { - elem.style.left = 0; - elem.style.right = 0; - } - if (vertical) { - elem.style.top = 0; - elem.style.bottom = 0; - } + clone: function () { - }, + return new this.constructor().copy( this ); - /** - * - * @param elem - * @param eventType - * @param params - */ - fakeEvent: function(elem, eventType, params, aux) { - params = params || {}; - var className = EVENT_MAP_INV[eventType]; - if (!className) { - throw new Error('Event type ' + eventType + ' not supported.'); - } - var evt = document.createEvent(className); - switch (className) { - case 'MouseEvents': - var clientX = params.x || params.clientX || 0; - var clientY = params.y || params.clientY || 0; - evt.initMouseEvent(eventType, params.bubbles || false, - params.cancelable || true, window, params.clickCount || 1, - 0, //screen X - 0, //screen Y - clientX, //client X - clientY, //client Y - false, false, false, false, 0, null); - break; - case 'KeyboardEvents': - var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz - common.defaults(params, { - cancelable: true, - ctrlKey: false, - altKey: false, - shiftKey: false, - metaKey: false, - keyCode: undefined, - charCode: undefined - }); - init(eventType, params.bubbles || false, - params.cancelable, window, - params.ctrlKey, params.altKey, - params.shiftKey, params.metaKey, - params.keyCode, params.charCode); - break; - default: - evt.initEvent(eventType, params.bubbles || false, - params.cancelable || true); - break; - } - common.defaults(evt, aux); - elem.dispatchEvent(evt); - }, + } - /** - * - * @param elem - * @param event - * @param func - * @param bool - */ - bind: function(elem, event, func, bool) { - bool = bool || false; - if (elem.addEventListener) - elem.addEventListener(event, func, bool); - else if (elem.attachEvent) - elem.attachEvent('on' + event, func); - return dom; - }, + }; - /** - * - * @param elem - * @param event - * @param func - * @param bool - */ - unbind: function(elem, event, func, bool) { - bool = bool || false; - if (elem.removeEventListener) - elem.removeEventListener(event, func, bool); - else if (elem.detachEvent) - elem.detachEvent('on' + event, func); - return dom; - }, + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - /** - * - * @param elem - * @param className - */ - addClass: function(elem, className) { - if (elem.className === undefined) { - elem.className = className; - } else if (elem.className !== className) { - var classes = elem.className.split(/ +/); - if (classes.indexOf(className) == -1) { - classes.push(className); - elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, ''); - } - } - return dom; - }, + function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) { - /** - * - * @param elem - * @param className - */ - removeClass: function(elem, className) { - if (className) { - if (elem.className === undefined) { - // elem.className = className; - } else if (elem.className === className) { - elem.removeAttribute('class'); - } else { - var classes = elem.className.split(/ +/); - var index = classes.indexOf(className); - if (index != -1) { - classes.splice(index, 1); - elem.className = classes.join(' '); - } - } - } else { - elem.className = undefined; - } - return dom; - }, + InterleavedBuffer.call( this, array, stride ); - hasClass: function(elem, className) { - return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false; - }, + this.meshPerAttribute = meshPerAttribute || 1; - /** - * - * @param elem - */ - getWidth: function(elem) { + } - var style = getComputedStyle(elem); + InstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype ); + InstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer; - return cssValueToPixels(style['border-left-width']) + - cssValueToPixels(style['border-right-width']) + - cssValueToPixels(style['padding-left']) + - cssValueToPixels(style['padding-right']) + - cssValueToPixels(style['width']); - }, + InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true; - /** - * - * @param elem - */ - getHeight: function(elem) { + InstancedInterleavedBuffer.prototype.copy = function ( source ) { - var style = getComputedStyle(elem); + InterleavedBuffer.prototype.copy.call( this, source ); - return cssValueToPixels(style['border-top-width']) + - cssValueToPixels(style['border-bottom-width']) + - cssValueToPixels(style['padding-top']) + - cssValueToPixels(style['padding-bottom']) + - cssValueToPixels(style['height']); - }, + this.meshPerAttribute = source.meshPerAttribute; - /** - * - * @param elem - */ - getOffset: function(elem) { - var offset = {left: 0, top:0}; - if (elem.offsetParent) { - do { - offset.left += elem.offsetLeft; - offset.top += elem.offsetTop; - } while (elem = elem.offsetParent); - } - return offset; - }, + return this; - // http://stackoverflow.com/posts/2684561/revisions - /** - * - * @param elem - */ - isActive: function(elem) { - return elem === document.activeElement && ( elem.type || elem.href ); - } + }; - }; + /** + * @author benaadams / https://twitter.com/ben_a_adams + */ - return dom; + function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) { - })(dat.utils.common); + BufferAttribute.call( this, array, itemSize ); + this.meshPerAttribute = meshPerAttribute || 1; - dat.controllers.OptionController = (function (Controller, dom, common) { + } - /** - * @class Provides a select input to alter the property of an object, using a - * list of accepted values. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object|string[]} options A map of labels to acceptable values, or - * a list of acceptable string values. - * - * @member dat.controllers - */ - var OptionController = function(object, property, options) { + InstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype ); + InstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute; - OptionController.superclass.call(this, object, property); + InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true; - var _this = this; + InstancedBufferAttribute.prototype.copy = function ( source ) { - /** - * The drop down menu - * @ignore - */ - this.__select = document.createElement('select'); + BufferAttribute.prototype.copy.call( this, source ); - if (common.isArray(options)) { - var map = {}; - common.each(options, function(element) { - map[element] = element; - }); - options = map; - } + this.meshPerAttribute = source.meshPerAttribute; - common.each(options, function(value, key) { + return this; - var opt = document.createElement('option'); - opt.innerHTML = key; - opt.setAttribute('value', value); - _this.__select.appendChild(opt); + }; - }); + /** + * @author mrdoob / http://mrdoob.com/ + * @author bhouston / http://clara.io/ + * @author stephomi / http://stephaneginier.com/ + */ - // Acknowledge original value - this.updateDisplay(); + function Raycaster( origin, direction, near, far ) { - dom.bind(this.__select, 'change', function() { - var desiredValue = this.options[this.selectedIndex].value; - _this.setValue(desiredValue); - }); + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) - this.domElement.appendChild(this.__select); + this.near = near || 0; + this.far = far || Infinity; - }; + this.params = { + Mesh: {}, + Line: {}, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; - OptionController.superclass = Controller; + Object.defineProperties( this.params, { + PointCloud: { + get: function () { + console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' ); + return this.Points; + } + } + } ); - common.extend( + } - OptionController.prototype, - Controller.prototype, + function ascSort( a, b ) { - { + return a.distance - b.distance; - setValue: function(v) { - var toReturn = OptionController.superclass.prototype.setValue.call(this, v); - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - return toReturn; - }, + } - updateDisplay: function() { - this.__select.value = this.getValue(); - return OptionController.superclass.prototype.updateDisplay.call(this); - } + function intersectObject( object, raycaster, intersects, recursive ) { - } + if ( object.visible === false ) return; - ); + object.raycast( raycaster, intersects ); - return OptionController; + if ( recursive === true ) { - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + var children = object.children; + for ( var i = 0, l = children.length; i < l; i ++ ) { - dat.controllers.NumberController = (function (Controller, common) { + intersectObject( children[ i ], raycaster, intersects, true ); - /** - * @class Represents a given property of an object that is a number. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object} [params] Optional parameters - * @param {Number} [params.min] Minimum allowed value - * @param {Number} [params.max] Maximum allowed value - * @param {Number} [params.step] Increment by which to change value - * - * @member dat.controllers - */ - var NumberController = function(object, property, params) { + } - NumberController.superclass.call(this, object, property); + } - params = params || {}; + } - this.__min = params.min; - this.__max = params.max; - this.__step = params.step; + // - if (common.isUndefined(this.__step)) { + Raycaster.prototype = { - if (this.initialValue == 0) { - this.__impliedStep = 1; // What are we, psychics? - } else { - // Hey Doug, check this out. - this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10; - } + constructor: Raycaster, - } else { + linePrecision: 1, - this.__impliedStep = this.__step; + set: function ( origin, direction ) { - } + // direction is assumed to be normalized (for accurate distance calculations) - this.__precision = numDecimals(this.__impliedStep); + this.ray.set( origin, direction ); + }, - }; + setFromCamera: function ( coords, camera ) { - NumberController.superclass = Controller; + if ( (camera && camera.isPerspectiveCamera) ) { - common.extend( + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); - NumberController.prototype, - Controller.prototype, + } else if ( (camera && camera.isOrthographicCamera) ) { - /** @lends dat.controllers.NumberController.prototype */ - { + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); - setValue: function(v) { + } else { - if (this.__min !== undefined && v < this.__min) { - v = this.__min; - } else if (this.__max !== undefined && v > this.__max) { - v = this.__max; - } + console.error( 'THREE.Raycaster: Unsupported camera type.' ); - if (this.__step !== undefined && v % this.__step != 0) { - v = Math.round(v / this.__step) * this.__step; - } + } - return NumberController.superclass.prototype.setValue.call(this, v); + }, + + intersectObject: function ( object, recursive ) { + + var intersects = []; + + intersectObject( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + }, - }, + intersectObjects: function ( objects, recursive ) { - /** - * Specify a minimum value for object[property]. - * - * @param {Number} minValue The minimum value for - * object[property] - * @returns {dat.controllers.NumberController} this - */ - min: function(v) { - this.__min = v; - return this; - }, + var intersects = []; - /** - * Specify a maximum value for object[property]. - * - * @param {Number} maxValue The maximum value for - * object[property] - * @returns {dat.controllers.NumberController} this - */ - max: function(v) { - this.__max = v; - return this; - }, + if ( Array.isArray( objects ) === false ) { - /** - * Specify a step value that dat.controllers.NumberController - * increments by. - * - * @param {Number} stepValue The step value for - * dat.controllers.NumberController - * @default if minimum and maximum specified increment is 1% of the - * difference otherwise stepValue is 1 - * @returns {dat.controllers.NumberController} this - */ - step: function(v) { - this.__step = v; - return this; - } + console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' ); + return intersects; - } + } - ); + for ( var i = 0, l = objects.length; i < l; i ++ ) { - function numDecimals(x) { - x = x.toString(); - if (x.indexOf('.') > -1) { - return x.length - x.indexOf('.') - 1; - } else { - return 0; - } - } + intersectObject( objects[ i ], this, intersects, recursive ); - return NumberController; + } - })(dat.controllers.Controller, - dat.utils.common); + intersects.sort( ascSort ); + return intersects; - dat.controllers.NumberControllerBox = (function (NumberController, dom, common) { + } - /** - * @class Represents a given property of an object that is a number and - * provides an input element with which to manipulate it. - * - * @extends dat.controllers.Controller - * @extends dat.controllers.NumberController - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Object} [params] Optional parameters - * @param {Number} [params.min] Minimum allowed value - * @param {Number} [params.max] Maximum allowed value - * @param {Number} [params.step] Increment by which to change value - * - * @member dat.controllers - */ - var NumberControllerBox = function(object, property, params) { + }; - this.__truncationSuspended = false; + /** + * @author alteredq / http://alteredqualia.com/ + */ - NumberControllerBox.superclass.call(this, object, property, params); + function Clock( autoStart ) { - var _this = this; + this.autoStart = ( autoStart !== undefined ) ? autoStart : true; - /** - * {Number} Previous mouse y position - * @ignore - */ - var prev_y; + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; - this.__input = document.createElement('input'); - this.__input.setAttribute('type', 'text'); + this.running = false; - // Makes it so manually specified values are not truncated. + } - dom.bind(this.__input, 'change', onChange); - dom.bind(this.__input, 'blur', onBlur); - dom.bind(this.__input, 'mousedown', onMouseDown); - dom.bind(this.__input, 'keydown', function(e) { + Clock.prototype = { - // When pressing entire, you can be as precise as you want. - if (e.keyCode === 13) { - _this.__truncationSuspended = true; - this.blur(); - _this.__truncationSuspended = false; - } + constructor: Clock, - }); + start: function () { - function onChange() { - var attempted = parseFloat(_this.__input.value); - if (!common.isNaN(attempted)) _this.setValue(attempted); - } + this.startTime = ( performance || Date ).now(); - function onBlur() { - onChange(); - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; - function onMouseDown(e) { - dom.bind(window, 'mousemove', onMouseDrag); - dom.bind(window, 'mouseup', onMouseUp); - prev_y = e.clientY; - } + }, - function onMouseDrag(e) { + stop: function () { - var diff = prev_y - e.clientY; - _this.setValue(_this.getValue() + diff * _this.__impliedStep); + this.getElapsedTime(); + this.running = false; - prev_y = e.clientY; + }, - } + getElapsedTime: function () { - function onMouseUp() { - dom.unbind(window, 'mousemove', onMouseDrag); - dom.unbind(window, 'mouseup', onMouseUp); - } + this.getDelta(); + return this.elapsedTime; - this.updateDisplay(); + }, - this.domElement.appendChild(this.__input); + getDelta: function () { - }; + var diff = 0; - NumberControllerBox.superclass = NumberController; + if ( this.autoStart && ! this.running ) { - common.extend( + this.start(); - NumberControllerBox.prototype, - NumberController.prototype, + } - { + if ( this.running ) { - updateDisplay: function() { + var newTime = ( performance || Date ).now(); - this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision); - return NumberControllerBox.superclass.prototype.updateDisplay.call(this); - } + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; - } + this.elapsedTime += diff; - ); + } - function roundToDecimal(value, decimals) { - var tenTo = Math.pow(10, decimals); - return Math.round(value * tenTo) / tenTo; - } + return diff; - return NumberControllerBox; + } - })(dat.controllers.NumberController, - dat.dom.dom, - dat.utils.common); + }; + /** + * Spline from Tween.js, slightly optimized (and trashed) + * http://sole.github.com/tween.js/examples/05_spline.html + * + * @author mrdoob / http://mrdoob.com/ + * @author alteredq / http://alteredqualia.com/ + */ - dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) { + function Spline( points ) { - /** - * @class Represents a given property of an object that is a number, contains - * a minimum and maximum, and provides a slider element with which to - * manipulate it. It should be noted that the slider element is made up of - * <div> tags, not the html5 - * <slider> element. - * - * @extends dat.controllers.Controller - * @extends dat.controllers.NumberController - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * @param {Number} minValue Minimum allowed value - * @param {Number} maxValue Maximum allowed value - * @param {Number} stepValue Increment by which to change value - * - * @member dat.controllers - */ - var NumberControllerSlider = function(object, property, min, max, step) { + this.points = points; - NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step }); + var c = [], v3 = { x: 0, y: 0, z: 0 }, + point, intPoint, weight, w2, w3, + pa, pb, pc, pd; - var _this = this; + this.initFromArray = function ( a ) { - this.__background = document.createElement('div'); - this.__foreground = document.createElement('div'); - + this.points = []; + for ( var i = 0; i < a.length; i ++ ) { - dom.bind(this.__background, 'mousedown', onMouseDown); - - dom.addClass(this.__background, 'slider'); - dom.addClass(this.__foreground, 'slider-fg'); + this.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] }; - function onMouseDown(e) { + } - dom.bind(window, 'mousemove', onMouseDrag); - dom.bind(window, 'mouseup', onMouseUp); + }; - onMouseDrag(e); - } + this.getPoint = function ( k ) { - function onMouseDrag(e) { + point = ( this.points.length - 1 ) * k; + intPoint = Math.floor( point ); + weight = point - intPoint; - e.preventDefault(); + c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1; + c[ 1 ] = intPoint; + c[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1; + c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2; - var offset = dom.getOffset(_this.__background); - var width = dom.getWidth(_this.__background); - - _this.setValue( - map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max) - ); + pa = this.points[ c[ 0 ] ]; + pb = this.points[ c[ 1 ] ]; + pc = this.points[ c[ 2 ] ]; + pd = this.points[ c[ 3 ] ]; - return false; + w2 = weight * weight; + w3 = weight * w2; - } + v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 ); + v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 ); + v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 ); - function onMouseUp() { - dom.unbind(window, 'mousemove', onMouseDrag); - dom.unbind(window, 'mouseup', onMouseUp); - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + return v3; - this.updateDisplay(); + }; - this.__background.appendChild(this.__foreground); - this.domElement.appendChild(this.__background); + this.getControlPointsArray = function () { - }; + var i, p, l = this.points.length, + coords = []; - NumberControllerSlider.superclass = NumberController; + for ( i = 0; i < l; i ++ ) { - /** - * Injects default stylesheet for slider elements. - */ - NumberControllerSlider.useDefaultStyles = function() { - css.inject(styleSheet); - }; + p = this.points[ i ]; + coords[ i ] = [ p.x, p.y, p.z ]; - common.extend( + } - NumberControllerSlider.prototype, - NumberController.prototype, + return coords; - { + }; - updateDisplay: function() { - var pct = (this.getValue() - this.__min)/(this.__max - this.__min); - this.__foreground.style.width = pct*100+'%'; - return NumberControllerSlider.superclass.prototype.updateDisplay.call(this); - } + // approximate length by summing linear segments - } + this.getLength = function ( nSubDivisions ) { + var i, index, nSamples, position, + point = 0, intPoint = 0, oldIntPoint = 0, + oldPosition = new Vector3(), + tmpVec = new Vector3(), + chunkLengths = [], + totalLength = 0; + // first point has 0 length - ); + chunkLengths[ 0 ] = 0; - function map(v, i1, i2, o1, o2) { - return o1 + (o2 - o1) * ((v - i1) / (i2 - i1)); - } + if ( ! nSubDivisions ) nSubDivisions = 100; - return NumberControllerSlider; - - })(dat.controllers.NumberController, - dat.dom.dom, - dat.utils.css, - dat.utils.common, - ".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); + nSamples = this.points.length * nSubDivisions; + oldPosition.copy( this.points[ 0 ] ); - dat.controllers.FunctionController = (function (Controller, dom, common) { + for ( i = 1; i < nSamples; i ++ ) { - /** - * @class Provides a GUI interface to fire a specified method, a property of an object. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var FunctionController = function(object, property, text) { + index = i / nSamples; - FunctionController.superclass.call(this, object, property); + position = this.getPoint( index ); + tmpVec.copy( position ); - var _this = this; + totalLength += tmpVec.distanceTo( oldPosition ); - this.__button = document.createElement('div'); - this.__button.innerHTML = text === undefined ? 'Fire' : text; - dom.bind(this.__button, 'click', function(e) { - e.preventDefault(); - _this.fire(); - return false; - }); + oldPosition.copy( position ); - dom.addClass(this.__button, 'button'); + point = ( this.points.length - 1 ) * index; + intPoint = Math.floor( point ); - this.domElement.appendChild(this.__button); + if ( intPoint !== oldIntPoint ) { + chunkLengths[ intPoint ] = totalLength; + oldIntPoint = intPoint; - }; + } - FunctionController.superclass = Controller; + } - common.extend( + // last point ends with total length - FunctionController.prototype, - Controller.prototype, - { - - fire: function() { - if (this.__onChange) { - this.__onChange.call(this); - } - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - this.getValue().call(this.object); - } - } + chunkLengths[ chunkLengths.length ] = totalLength; - ); + return { chunks: chunkLengths, total: totalLength }; - return FunctionController; + }; - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + this.reparametrizeByArcLength = function ( samplingCoef ) { + var i, j, + index, indexCurrent, indexNext, + realDistance, + sampling, position, + newpoints = [], + tmpVec = new Vector3(), + sl = this.getLength(); - dat.controllers.BooleanController = (function (Controller, dom, common) { + newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() ); - /** - * @class Provides a checkbox input to alter the boolean property of an object. - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var BooleanController = function(object, property) { + for ( i = 1; i < this.points.length; i ++ ) { - BooleanController.superclass.call(this, object, property); + //tmpVec.copy( this.points[ i - 1 ] ); + //linearDistance = tmpVec.distanceTo( this.points[ i ] ); - var _this = this; - this.__prev = this.getValue(); + realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ]; - this.__checkbox = document.createElement('input'); - this.__checkbox.setAttribute('type', 'checkbox'); + sampling = Math.ceil( samplingCoef * realDistance / sl.total ); + indexCurrent = ( i - 1 ) / ( this.points.length - 1 ); + indexNext = i / ( this.points.length - 1 ); - dom.bind(this.__checkbox, 'change', onChange, false); + for ( j = 1; j < sampling - 1; j ++ ) { - this.domElement.appendChild(this.__checkbox); + index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent ); - // Match original value - this.updateDisplay(); + position = this.getPoint( index ); + newpoints.push( tmpVec.copy( position ).clone() ); - function onChange() { - _this.setValue(!_this.__prev); - } + } - }; + newpoints.push( tmpVec.copy( this.points[ i ] ).clone() ); - BooleanController.superclass = Controller; + } - common.extend( + this.points = newpoints; - BooleanController.prototype, - Controller.prototype, + }; - { + // Catmull-Rom - setValue: function(v) { - var toReturn = BooleanController.superclass.prototype.setValue.call(this, v); - if (this.__onFinishChange) { - this.__onFinishChange.call(this, this.getValue()); - } - this.__prev = this.getValue(); - return toReturn; - }, + function interpolate( p0, p1, p2, p3, t, t2, t3 ) { - updateDisplay: function() { - - if (this.getValue() === true) { - this.__checkbox.setAttribute('checked', 'checked'); - this.__checkbox.checked = true; - } else { - this.__checkbox.checked = false; - } + var v0 = ( p2 - p0 ) * 0.5, + v1 = ( p3 - p1 ) * 0.5; - return BooleanController.superclass.prototype.updateDisplay.call(this); + return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1; - } + } + } - } + /** + * @author bhouston / http://clara.io + * @author WestLangley / http://github.com/WestLangley + * + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * The poles (phi) are at the positive and negative y axis. + * The equator starts at positive z. + */ - ); + function Spherical( radius, phi, theta ) { - return BooleanController; + this.radius = ( radius !== undefined ) ? radius : 1.0; + this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole + this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common); + return this; + } - dat.color.toString = (function (common) { + Spherical.prototype = { - return function(color) { + constructor: Spherical, - if (color.a == 1 || common.isUndefined(color.a)) { + set: function ( radius, phi, theta ) { - var s = color.hex.toString(16); - while (s.length < 6) { - s = '0' + s; - } + this.radius = radius; + this.phi = phi; + this.theta = theta; - return '#' + s; + return this; - } else { + }, - return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + clone: function () { - } + return new this.constructor().copy( this ); - } + }, - })(dat.utils.common); + copy: function ( other ) { + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; - dat.color.interpret = (function (toString, common) { + return this; - var result, toReturn; + }, - var interpret = function() { + // restrict phi to be betwee EPS and PI-EPS + makeSafe: function() { - toReturn = false; + var EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); - var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + return this; - common.each(INTERPRETATIONS, function(family) { + }, - if (family.litmus(original)) { + setFromVector3: function( vec3 ) { - common.each(family.conversions, function(conversion, conversionName) { + this.radius = vec3.length(); - result = conversion.read(original); + if ( this.radius === 0 ) { - if (toReturn === false && result !== false) { - toReturn = result; - result.conversionName = conversionName; - result.conversion = conversion; - return common.BREAK; + this.theta = 0; + this.phi = 0; - } + } else { - }); + this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis + this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle - return common.BREAK; + } - } + return this; - }); + }, - return toReturn; + }; - }; + /** + * @author alteredq / http://alteredqualia.com/ + */ - var INTERPRETATIONS = [ + function MorphBlendMesh( geometry, material ) { - // Strings - { + Mesh.call( this, geometry, material ); - litmus: common.isString, + this.animationsMap = {}; + this.animationsList = []; - conversions: { + // prepare default animation + // (all frames played together in 1 second) - THREE_CHAR_HEX: { + var numFrames = this.geometry.morphTargets.length; - read: function(original) { + var name = "__default"; - var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); - if (test === null) return false; + var startFrame = 0; + var endFrame = numFrames - 1; - return { - space: 'HEX', - hex: parseInt( - '0x' + - test[1].toString() + test[1].toString() + - test[2].toString() + test[2].toString() + - test[3].toString() + test[3].toString()) - }; + var fps = numFrames / 1; - }, + this.createAnimation( name, startFrame, endFrame, fps ); + this.setAnimationWeight( name, 1 ); - write: toString + } - }, + MorphBlendMesh.prototype = Object.create( Mesh.prototype ); + MorphBlendMesh.prototype.constructor = MorphBlendMesh; - SIX_CHAR_HEX: { + MorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) { - read: function(original) { + var animation = { - var test = original.match(/^#([A-F0-9]{6})$/i); - if (test === null) return false; + start: start, + end: end, - return { - space: 'HEX', - hex: parseInt('0x' + test[1].toString()) - }; + length: end - start + 1, - }, + fps: fps, + duration: ( end - start ) / fps, - write: toString + lastFrame: 0, + currentFrame: 0, - }, + active: false, - CSS_RGB: { + time: 0, + direction: 1, + weight: 1, - read: function(original) { + directionBackwards: false, + mirroredLoop: false - var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); - if (test === null) return false; + }; - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]) - }; + this.animationsMap[ name ] = animation; + this.animationsList.push( animation ); - }, + }; - write: toString + MorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) { - }, + var pattern = /([a-z]+)_?(\d+)/i; - CSS_RGBA: { + var firstAnimation, frameRanges = {}; - read: function(original) { + var geometry = this.geometry; - var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); - if (test === null) return false; + for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) { - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]), - a: parseFloat(test[4]) - }; + var morph = geometry.morphTargets[ i ]; + var chunks = morph.name.match( pattern ); - }, + if ( chunks && chunks.length > 1 ) { - write: toString + var name = chunks[ 1 ]; - } + if ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity }; - } + var range = frameRanges[ name ]; - }, + if ( i < range.start ) range.start = i; + if ( i > range.end ) range.end = i; - // Numbers - { + if ( ! firstAnimation ) firstAnimation = name; - litmus: common.isNumber, + } - conversions: { + } - HEX: { - read: function(original) { - return { - space: 'HEX', - hex: original, - conversionName: 'HEX' - } - }, + for ( var name in frameRanges ) { - write: function(color) { - return color.hex; - } - } + var range = frameRanges[ name ]; + this.createAnimation( name, range.start, range.end, fps ); - } + } - }, + this.firstAnimation = firstAnimation; - // Arrays - { + }; - litmus: common.isArray, + MorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) { - conversions: { + var animation = this.animationsMap[ name ]; - RGB_ARRAY: { - read: function(original) { - if (original.length != 3) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2] - }; - }, + if ( animation ) { - write: function(color) { - return [color.r, color.g, color.b]; - } + animation.direction = 1; + animation.directionBackwards = false; - }, + } - RGBA_ARRAY: { - read: function(original) { - if (original.length != 4) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2], - a: original[3] - }; - }, + }; - write: function(color) { - return [color.r, color.g, color.b, color.a]; - } + MorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) { - } + var animation = this.animationsMap[ name ]; - } + if ( animation ) { - }, + animation.direction = - 1; + animation.directionBackwards = true; - // Objects - { + } - litmus: common.isObject, + }; - conversions: { + MorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) { - RGBA_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b) && - common.isNumber(original.a)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b, - a: original.a - } - } - return false; - }, + var animation = this.animationsMap[ name ]; - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b, - a: color.a - } - } - }, + if ( animation ) { - RGB_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b - } - } - return false; - }, + animation.fps = fps; + animation.duration = ( animation.end - animation.start ) / animation.fps; - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b - } - } - }, + } - HSVA_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v) && - common.isNumber(original.a)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v, - a: original.a - } - } - return false; - }, + }; - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v, - a: color.a - } - } - }, + MorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) { - HSV_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v - } - } - return false; - }, + var animation = this.animationsMap[ name ]; - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v - } - } + if ( animation ) { - } + animation.duration = duration; + animation.fps = ( animation.end - animation.start ) / animation.duration; - } + } - } + }; + MorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) { - ]; + var animation = this.animationsMap[ name ]; - return interpret; + if ( animation ) { + animation.weight = weight; - })(dat.color.toString, - dat.utils.common); + } + }; - dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) { + MorphBlendMesh.prototype.setAnimationTime = function ( name, time ) { - css.inject(styleSheet); + var animation = this.animationsMap[ name ]; - /** Outer-most className for GUI's */ - var CSS_NAMESPACE = 'dg'; + if ( animation ) { - var HIDE_KEY_CODE = 72; + animation.time = time; - /** The only value shared between the JS and SCSS. Use caution. */ - var CLOSE_BUTTON_HEIGHT = 20; + } - var DEFAULT_DEFAULT_PRESET_NAME = 'Default'; + }; - var SUPPORTS_LOCAL_STORAGE = (function() { - try { - return 'localStorage' in window && window['localStorage'] !== null; - } catch (e) { - return false; - } - })(); + MorphBlendMesh.prototype.getAnimationTime = function ( name ) { - var SAVE_DIALOGUE; + var time = 0; - /** Have we yet to create an autoPlace GUI? */ - var auto_place_virgin = true; + var animation = this.animationsMap[ name ]; - /** Fixed position div that auto place GUI's go inside */ - var auto_place_container; + if ( animation ) { - /** Are we hiding the GUI's ? */ - var hide = false; + time = animation.time; - /** GUI's which should be hidden */ - var hideable_guis = []; + } - /** - * A lightweight controller library for JavaScript. It allows you to easily - * manipulate variables and fire functions on the fly. - * @class - * - * @member dat.gui - * - * @param {Object} [params] - * @param {String} [params.name] The name of this GUI. - * @param {Object} [params.load] JSON object representing the saved state of - * this GUI. - * @param {Boolean} [params.auto=true] - * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in. - * @param {Boolean} [params.closed] If true, starts closed - */ - var GUI = function(params) { + return time; - var _this = this; + }; - /** - * Outermost DOM Element - * @type DOMElement - */ - this.domElement = document.createElement('div'); - this.__ul = document.createElement('ul'); - this.domElement.appendChild(this.__ul); + MorphBlendMesh.prototype.getAnimationDuration = function ( name ) { - dom.addClass(this.domElement, CSS_NAMESPACE); + var duration = - 1; - /** - * Nested GUI's by name - * @ignore - */ - this.__folders = {}; + var animation = this.animationsMap[ name ]; - this.__controllers = []; + if ( animation ) { - /** - * List of objects I'm remembering for save, only used in top level GUI - * @ignore - */ - this.__rememberedObjects = []; + duration = animation.duration; - /** - * Maps the index of remembered objects to a map of controllers, only used - * in top level GUI. - * - * @private - * @ignore - * - * @example - * [ - * { - * propertyName: Controller, - * anotherPropertyName: Controller - * }, - * { - * propertyName: Controller - * } - * ] - */ - this.__rememberedObjectIndecesToControllers = []; + } - this.__listening = []; + return duration; - params = params || {}; + }; - // Default parameters - params = common.defaults(params, { - autoPlace: true, - width: GUI.DEFAULT_WIDTH - }); + MorphBlendMesh.prototype.playAnimation = function ( name ) { - params = common.defaults(params, { - resizable: params.autoPlace, - hideable: params.autoPlace - }); + var animation = this.animationsMap[ name ]; + if ( animation ) { - if (!common.isUndefined(params.load)) { + animation.time = 0; + animation.active = true; - // Explicit preset - if (params.preset) params.load.preset = params.preset; + } else { - } else { + console.warn( "THREE.MorphBlendMesh: animation[" + name + "] undefined in .playAnimation()" ); - params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME }; + } - } + }; - if (common.isUndefined(params.parent) && params.hideable) { - hideable_guis.push(this); - } + MorphBlendMesh.prototype.stopAnimation = function ( name ) { - // Only root level GUI's are resizable. - params.resizable = common.isUndefined(params.parent) && params.resizable; + var animation = this.animationsMap[ name ]; + if ( animation ) { - if (params.autoPlace && common.isUndefined(params.scrollable)) { - params.scrollable = true; - } - // params.scrollable = common.isUndefined(params.parent) && params.scrollable === true; + animation.active = false; - // Not part of params because I don't want people passing this in via - // constructor. Should be a 'remembered' value. - var use_local_storage = - SUPPORTS_LOCAL_STORAGE && - localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true'; + } - Object.defineProperties(this, + }; - /** @lends dat.gui.GUI.prototype */ - { + MorphBlendMesh.prototype.update = function ( delta ) { - /** - * The parent GUI - * @type dat.gui.GUI - */ - parent: { - get: function() { - return params.parent; - } - }, + for ( var i = 0, il = this.animationsList.length; i < il; i ++ ) { - scrollable: { - get: function() { - return params.scrollable; - } - }, + var animation = this.animationsList[ i ]; - /** - * Handles GUI's element placement for you - * @type Boolean - */ - autoPlace: { - get: function() { - return params.autoPlace; - } - }, + if ( ! animation.active ) continue; - /** - * The identifier for a set of saved values - * @type String - */ - preset: { + var frameTime = animation.duration / animation.length; - get: function() { - if (_this.parent) { - return _this.getRoot().preset; - } else { - return params.load.preset; - } - }, + animation.time += animation.direction * delta; - set: function(v) { - if (_this.parent) { - _this.getRoot().preset = v; - } else { - params.load.preset = v; - } - setPresetSelectIndex(this); - _this.revert(); - } + if ( animation.mirroredLoop ) { - }, + if ( animation.time > animation.duration || animation.time < 0 ) { - /** - * The width of GUI element - * @type Number - */ - width: { - get: function() { - return params.width; - }, - set: function(v) { - params.width = v; - setWidth(_this, v); - } - }, + animation.direction *= - 1; - /** - * The name of GUI. Used for folders. i.e - * a folder's name - * @type String - */ - name: { - get: function() { - return params.name; - }, - set: function(v) { - // TODO Check for collisions among sibling folders - params.name = v; - if (title_row_name) { - title_row_name.innerHTML = params.name; - } - } - }, + if ( animation.time > animation.duration ) { - /** - * Whether the GUI is collapsed or not - * @type Boolean - */ - closed: { - get: function() { - return params.closed; - }, - set: function(v) { - params.closed = v; - if (params.closed) { - dom.addClass(_this.__ul, GUI.CLASS_CLOSED); - } else { - dom.removeClass(_this.__ul, GUI.CLASS_CLOSED); - } - // For browsers that aren't going to respect the CSS transition, - // Lets just check our height against the window height right off - // the bat. - this.onResize(); + animation.time = animation.duration; + animation.directionBackwards = true; - if (_this.__closeButton) { - _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED; - } - } - }, + } - /** - * Contains all presets - * @type Object - */ - load: { - get: function() { - return params.load; - } - }, + if ( animation.time < 0 ) { - /** - * Determines whether or not to use localStorage as the means for - * remembering - * @type Boolean - */ - useLocalStorage: { + animation.time = 0; + animation.directionBackwards = false; - get: function() { - return use_local_storage; - }, - set: function(bool) { - if (SUPPORTS_LOCAL_STORAGE) { - use_local_storage = bool; - if (bool) { - dom.bind(window, 'unload', saveToLocalStorage); - } else { - dom.unbind(window, 'unload', saveToLocalStorage); - } - localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool); - } - } + } - } + } - }); + } else { - // Are we a root level GUI? - if (common.isUndefined(params.parent)) { + animation.time = animation.time % animation.duration; - params.closed = false; + if ( animation.time < 0 ) animation.time += animation.duration; - dom.addClass(this.domElement, GUI.CLASS_MAIN); - dom.makeSelectable(this.domElement, false); + } - // Are we supposed to be loading locally? - if (SUPPORTS_LOCAL_STORAGE) { + var keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 ); + var weight = animation.weight; - if (use_local_storage) { + if ( keyframe !== animation.currentFrame ) { - _this.useLocalStorage = true; + this.morphTargetInfluences[ animation.lastFrame ] = 0; + this.morphTargetInfluences[ animation.currentFrame ] = 1 * weight; - var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui')); + this.morphTargetInfluences[ keyframe ] = 0; - if (saved_gui) { - params.load = JSON.parse(saved_gui); - } + animation.lastFrame = animation.currentFrame; + animation.currentFrame = keyframe; - } + } - } + var mix = ( animation.time % frameTime ) / frameTime; - this.__closeButton = document.createElement('div'); - this.__closeButton.innerHTML = GUI.TEXT_CLOSED; - dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON); - this.domElement.appendChild(this.__closeButton); + if ( animation.directionBackwards ) mix = 1 - mix; - dom.bind(this.__closeButton, 'click', function() { + if ( animation.currentFrame !== animation.lastFrame ) { - _this.closed = !_this.closed; + this.morphTargetInfluences[ animation.currentFrame ] = mix * weight; + this.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight; + } else { - }); + this.morphTargetInfluences[ animation.currentFrame ] = weight; + } - // Oh, you're a nested GUI! - } else { + } - if (params.closed === undefined) { - params.closed = true; - } + }; - var title_row_name = document.createTextNode(params.name); - dom.addClass(title_row_name, 'controller-name'); + /** + * @author alteredq / http://alteredqualia.com/ + */ - var title_row = addRow(_this, title_row_name); + function ImmediateRenderObject( material ) { - var on_click_title = function(e) { - e.preventDefault(); - _this.closed = !_this.closed; - return false; - }; + Object3D.call( this ); - dom.addClass(this.__ul, GUI.CLASS_CLOSED); + this.material = material; + this.render = function ( renderCallback ) {}; - dom.addClass(title_row, 'title'); - dom.bind(title_row, 'click', on_click_title); + } - if (!params.closed) { - this.closed = false; - } + ImmediateRenderObject.prototype = Object.create( Object3D.prototype ); + ImmediateRenderObject.prototype.constructor = ImmediateRenderObject; - } + ImmediateRenderObject.prototype.isImmediateRenderObject = true; - if (params.autoPlace) { + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - if (common.isUndefined(params.parent)) { + function VertexNormalsHelper( object, size, hex, linewidth ) { - if (auto_place_virgin) { - auto_place_container = document.createElement('div'); - dom.addClass(auto_place_container, CSS_NAMESPACE); - dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER); - document.body.appendChild(auto_place_container); - auto_place_virgin = false; - } + this.object = object; - // Put it in the dom for you. - auto_place_container.appendChild(this.domElement); + this.size = ( size !== undefined ) ? size : 1; - // Apply the auto styles - dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE); + var color = ( hex !== undefined ) ? hex : 0xff0000; - } + var width = ( linewidth !== undefined ) ? linewidth : 1; + // - // Make it not elastic. - if (!this.parent) setWidth(_this, params.width); + var nNormals = 0; - } + var objGeometry = this.object.geometry; - dom.bind(window, 'resize', function() { _this.onResize() }); - dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); }); - dom.bind(this.__ul, 'transitionend', function() { _this.onResize() }); - dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() }); - this.onResize(); + if ( (objGeometry && objGeometry.isGeometry) ) { + nNormals = objGeometry.faces.length * 3; - if (params.resizable) { - addResizeHandle(this); - } + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { - function saveToLocalStorage() { - localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject())); - } + nNormals = objGeometry.attributes.normal.count; - var root = _this.getRoot(); - function resetWidth() { - var root = _this.getRoot(); - root.width += 1; - common.defer(function() { - root.width -= 1; - }); - } + } - if (!params.parent) { - resetWidth(); - } + // - }; + var geometry = new BufferGeometry(); - GUI.toggleHide = function() { + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); - hide = !hide; - common.each(hideable_guis, function(gui) { - gui.domElement.style.zIndex = hide ? -999 : 999; - gui.domElement.style.opacity = hide ? 0 : 1; - }); - }; + geometry.addAttribute( 'position', positions ); - GUI.CLASS_AUTO_PLACE = 'a'; - GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac'; - GUI.CLASS_MAIN = 'main'; - GUI.CLASS_CONTROLLER_ROW = 'cr'; - GUI.CLASS_TOO_TALL = 'taller-than-window'; - GUI.CLASS_CLOSED = 'closed'; - GUI.CLASS_CLOSE_BUTTON = 'close-button'; - GUI.CLASS_DRAG = 'drag'; + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - GUI.DEFAULT_WIDTH = 245; - GUI.TEXT_CLOSED = 'Close Controls'; - GUI.TEXT_OPEN = 'Open Controls'; + // - dom.bind(window, 'keydown', function(e) { + this.matrixAutoUpdate = false; - if (document.activeElement.type !== 'text' && - (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) { - GUI.toggleHide(); - } + this.update(); - }, false); + } - common.extend( + VertexNormalsHelper.prototype = Object.create( LineSegments.prototype ); + VertexNormalsHelper.prototype.constructor = VertexNormalsHelper; - GUI.prototype, + VertexNormalsHelper.prototype.update = ( function () { - /** @lends dat.gui.GUI */ - { + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); - /** - * @param object - * @param property - * @returns {dat.controllers.Controller} The new controller that was added. - * @instance - */ - add: function(object, property) { + return function update() { - return add( - this, - object, - property, - { - factoryArgs: Array.prototype.slice.call(arguments, 2) - } - ); + var keys = [ 'a', 'b', 'c' ]; - }, + this.object.updateMatrixWorld( true ); - /** - * @param object - * @param property - * @returns {dat.controllers.ColorController} The new controller that was added. - * @instance - */ - addColor: function(object, property) { + normalMatrix.getNormalMatrix( this.object.matrixWorld ); - return add( - this, - object, - property, - { - color: true - } - ); + var matrixWorld = this.object.matrixWorld; - }, + var position = this.geometry.attributes.position; - /** - * @param controller - * @instance - */ - remove: function(controller) { + // - // TODO listening? - this.__ul.removeChild(controller.__li); - this.__controllers.slice(this.__controllers.indexOf(controller), 1); - var _this = this; - common.defer(function() { - _this.onResize(); - }); + var objGeometry = this.object.geometry; - }, + if ( (objGeometry && objGeometry.isGeometry) ) { - destroy: function() { + var vertices = objGeometry.vertices; - if (this.autoPlace) { - auto_place_container.removeChild(this.domElement); - } + var faces = objGeometry.faces; - }, + var idx = 0; - /** - * @param name - * @returns {dat.gui.GUI} The new folder. - * @throws {Error} if this GUI already has a folder by the specified - * name - * @instance - */ - addFolder: function(name) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - // We have to prevent collisions on names in order to have a key - // by which to remember saved values - if (this.__folders[name] !== undefined) { - throw new Error('You already have a folder in this GUI by the' + - ' name "' + name + '"'); - } + var face = faces[ i ]; - var new_gui_params = { name: name, parent: this }; + for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) { - // We need to pass down the autoPlace trait so that we can - // attach event listeners to open/close folder actions to - // ensure that a scrollbar appears if the window is too short. - new_gui_params.autoPlace = this.autoPlace; + var vertex = vertices[ face[ keys[ j ] ] ]; - // Do we have saved appearance data for this folder? + var normal = face.vertexNormals[ j ]; - if (this.load && // Anything loaded? - this.load.folders && // Was my parent a dead-end? - this.load.folders[name]) { // Did daddy remember me? + v1.copy( vertex ).applyMatrix4( matrixWorld ); - // Start me closed if I was closed - new_gui_params.closed = this.load.folders[name].closed; + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - // Pass down the loaded data - new_gui_params.load = this.load.folders[name]; + position.setXYZ( idx, v1.x, v1.y, v1.z ); - } + idx = idx + 1; - var gui = new GUI(new_gui_params); - this.__folders[name] = gui; + position.setXYZ( idx, v2.x, v2.y, v2.z ); - var li = addRow(this, gui.domElement); - dom.addClass(li, 'folder'); - return gui; + idx = idx + 1; - }, + } - open: function() { - this.closed = false; - }, + } - close: function() { - this.closed = true; - }, + } else if ( (objGeometry && objGeometry.isBufferGeometry) ) { - onResize: function() { + var objPos = objGeometry.attributes.position; - var root = this.getRoot(); + var objNorm = objGeometry.attributes.normal; - if (root.scrollable) { + var idx = 0; - var top = dom.getOffset(root.__ul).top; - var h = 0; + // for simplicity, ignore index and drawcalls, and render every normal - common.each(root.__ul.childNodes, function(node) { - if (! (root.autoPlace && node === root.__save_row)) - h += dom.getHeight(node); - }); + for ( var j = 0, jl = objPos.count; j < jl; j ++ ) { - if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) { - dom.addClass(root.domElement, GUI.CLASS_TOO_TALL); - root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px'; - } else { - dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL); - root.__ul.style.height = 'auto'; - } + v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld ); - } + v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) ); - if (root.__resize_handle) { - common.defer(function() { - root.__resize_handle.style.height = root.__ul.offsetHeight + 'px'; - }); - } + v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - if (root.__closeButton) { - root.__closeButton.style.width = root.width + 'px'; - } + position.setXYZ( idx, v1.x, v1.y, v1.z ); - }, + idx = idx + 1; - /** - * Mark objects for saving. The order of these objects cannot change as - * the GUI grows. When remembering new objects, append them to the end - * of the list. - * - * @param {Object...} objects - * @throws {Error} if not called on a top level GUI. - * @instance - */ - remember: function() { + position.setXYZ( idx, v2.x, v2.y, v2.z ); - if (common.isUndefined(SAVE_DIALOGUE)) { - SAVE_DIALOGUE = new CenteredDiv(); - SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents; - } + idx = idx + 1; - if (this.parent) { - throw new Error("You can only call remember on a top level GUI."); - } + } - var _this = this; + } - common.each(Array.prototype.slice.call(arguments), function(object) { - if (_this.__rememberedObjects.length == 0) { - addSaveMenu(_this); - } - if (_this.__rememberedObjects.indexOf(object) == -1) { - _this.__rememberedObjects.push(object); - } - }); + position.needsUpdate = true; - if (this.autoPlace) { - // Set save row width - setWidth(this, this.width); - } + return this; + + }; - }, + }() ); - /** - * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI. - * @instance - */ - getRoot: function() { - var gui = this; - while (gui.parent) { - gui = gui.parent; - } - return gui; - }, + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - /** - * @returns {Object} a JSON object representing the current state of - * this GUI as well as its remembered properties. - * @instance - */ - getSaveObject: function() { + function SpotLightHelper( light ) { - var toReturn = this.load; + Object3D.call( this ); - toReturn.closed = this.closed; + this.light = light; + this.light.updateMatrixWorld(); - // Am I remembering any values? - if (this.__rememberedObjects.length > 0) { + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - toReturn.preset = this.preset; + var geometry = new BufferGeometry(); - if (!toReturn.remembered) { - toReturn.remembered = {}; - } + var positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; - toReturn.remembered[this.preset] = getCurrentPreset(this); + for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { - } + var p1 = ( i / l ) * Math.PI * 2; + var p2 = ( j / l ) * Math.PI * 2; - toReturn.folders = {}; - common.each(this.__folders, function(element, key) { - toReturn.folders[key] = element.getSaveObject(); - }); + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); - return toReturn; + } - }, + geometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) ); - save: function() { + var material = new LineBasicMaterial( { fog: false } ); - if (!this.load.remembered) { - this.load.remembered = {}; - } + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); - this.load.remembered[this.preset] = getCurrentPreset(this); - markPresetModified(this, false); + this.update(); - }, + } - saveAs: function(presetName) { + SpotLightHelper.prototype = Object.create( Object3D.prototype ); + SpotLightHelper.prototype.constructor = SpotLightHelper; - if (!this.load.remembered) { + SpotLightHelper.prototype.dispose = function () { - // Retain default values upon first save - this.load.remembered = {}; - this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true); + this.cone.geometry.dispose(); + this.cone.material.dispose(); - } + }; - this.load.remembered[presetName] = getCurrentPreset(this); - this.preset = presetName; - addPresetOption(this, presetName, true); + SpotLightHelper.prototype.update = function () { - }, + var vector = new Vector3(); + var vector2 = new Vector3(); - revert: function(gui) { + return function update() { - common.each(this.__controllers, function(controller) { - // Make revert work on Default. - if (!this.getRoot().load.remembered) { - controller.setValue(controller.initialValue); - } else { - recallSavedValue(gui || this.getRoot(), controller); - } - }, this); + var coneLength = this.light.distance ? this.light.distance : 1000; + var coneWidth = coneLength * Math.tan( this.light.angle ); - common.each(this.__folders, function(folder) { - folder.revert(folder); - }); + this.cone.scale.set( coneWidth, coneWidth, coneLength ); - if (!gui) { - markPresetModified(this.getRoot(), false); - } + vector.setFromMatrixPosition( this.light.matrixWorld ); + vector2.setFromMatrixPosition( this.light.target.matrixWorld ); + this.cone.lookAt( vector2.sub( vector ) ); - }, + this.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - listen: function(controller) { + }; - var init = this.__listening.length == 0; - this.__listening.push(controller); - if (init) updateDisplays(this.__listening); + }(); - } + /** + * @author Sean Griffin / http://twitter.com/sgrif + * @author Michael Guerrero / http://realitymeltdown.com + * @author mrdoob / http://mrdoob.com/ + * @author ikerr / http://verold.com + */ - } + function SkeletonHelper( object ) { - ); + this.bones = this.getBoneList( object ); - function add(gui, object, property, params) { + var geometry = new Geometry(); - if (object[property] === undefined) { - throw new Error("Object " + object + " has no property \"" + property + "\""); - } + for ( var i = 0; i < this.bones.length; i ++ ) { - var controller; + var bone = this.bones[ i ]; - if (params.color) { + if ( (bone.parent && bone.parent.isBone) ) { - controller = new ColorController(object, property); + geometry.vertices.push( new Vector3() ); + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( 0, 0, 1 ) ); + geometry.colors.push( new Color( 0, 1, 0 ) ); - } else { + } - var factoryArgs = [object,property].concat(params.factoryArgs); - controller = controllerFactory.apply(gui, factoryArgs); + } - } + geometry.dynamic = true; - if (params.before instanceof Controller) { - params.before = params.before.__li; - } + var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } ); - recallSavedValue(gui, controller); + LineSegments.call( this, geometry, material ); - dom.addClass(controller.domElement, 'c'); + this.root = object; - var name = document.createElement('span'); - dom.addClass(name, 'property-name'); - name.innerHTML = controller.property; + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; - var container = document.createElement('div'); - container.appendChild(name); - container.appendChild(controller.domElement); + this.update(); - var li = addRow(gui, container, params.before); + } - dom.addClass(li, GUI.CLASS_CONTROLLER_ROW); - dom.addClass(li, typeof controller.getValue()); - augmentController(gui, li, controller); + SkeletonHelper.prototype = Object.create( LineSegments.prototype ); + SkeletonHelper.prototype.constructor = SkeletonHelper; - gui.__controllers.push(controller); + SkeletonHelper.prototype.getBoneList = function( object ) { - return controller; + var boneList = []; - } + if ( (object && object.isBone) ) { - /** - * Add a row to the end of the GUI or before another row. - * - * @param gui - * @param [dom] If specified, inserts the dom content in the new row - * @param [liBefore] If specified, places the new row before another row - */ - function addRow(gui, dom, liBefore) { - var li = document.createElement('li'); - if (dom) li.appendChild(dom); - if (liBefore) { - gui.__ul.insertBefore(li, params.before); - } else { - gui.__ul.appendChild(li); - } - gui.onResize(); - return li; - } + boneList.push( object ); - function augmentController(gui, li, controller) { + } - controller.__li = li; - controller.__gui = gui; + for ( var i = 0; i < object.children.length; i ++ ) { - common.extend(controller, { + boneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) ); - options: function(options) { + } - if (arguments.length > 1) { - controller.remove(); + return boneList; - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [common.toArray(arguments)] - } - ); + }; - } + SkeletonHelper.prototype.update = function () { - if (common.isArray(options) || common.isObject(options)) { - controller.remove(); + var geometry = this.geometry; - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [options] - } - ); + var matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld ); - } + var boneMatrix = new Matrix4(); - }, + var j = 0; - name: function(v) { - controller.__li.firstElementChild.firstElementChild.innerHTML = v; - return controller; - }, + for ( var i = 0; i < this.bones.length; i ++ ) { - listen: function() { - controller.__gui.listen(controller); - return controller; - }, + var bone = this.bones[ i ]; - remove: function() { - controller.__gui.remove(controller); - return controller; - } + if ( (bone.parent && bone.parent.isBone) ) { - }); + boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld ); + geometry.vertices[ j ].setFromMatrixPosition( boneMatrix ); - // All sliders should be accompanied by a box. - if (controller instanceof NumberControllerSlider) { + boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld ); + geometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix ); - var box = new NumberControllerBox(controller.object, controller.property, - { min: controller.__min, max: controller.__max, step: controller.__step }); + j += 2; - common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) { - var pc = controller[method]; - var pb = box[method]; - controller[method] = box[method] = function() { - var args = Array.prototype.slice.call(arguments); - pc.apply(controller, args); - return pb.apply(box, args); - } - }); + } - dom.addClass(li, 'has-slider'); - controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild); + } - } - else if (controller instanceof NumberControllerBox) { + geometry.verticesNeedUpdate = true; - var r = function(returned) { + geometry.computeBoundingSphere(); - // Have we defined both boundaries? - if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) { + }; - // Well, then lets just replace this with a slider. - controller.remove(); - return add( - gui, - controller.object, - controller.property, - { - before: controller.__li.nextElementSibling, - factoryArgs: [controller.__min, controller.__max, controller.__step] - }); + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - } + function PointLightHelper( light, sphereSize ) { - return returned; + this.light = light; + this.light.updateMatrixWorld(); - }; + var geometry = new SphereBufferGeometry( sphereSize, 4, 2 ); + var material = new MeshBasicMaterial( { wireframe: true, fog: false } ); + material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - controller.min = common.compose(r, controller.min); - controller.max = common.compose(r, controller.max); + Mesh.call( this, geometry, material ); - } - else if (controller instanceof BooleanController) { + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; - dom.bind(li, 'click', function() { - dom.fakeEvent(controller.__checkbox, 'click'); - }); + /* + var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); + var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); - dom.bind(controller.__checkbox, 'click', function(e) { - e.stopPropagation(); // Prevents double-toggle - }) + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); - } - else if (controller instanceof FunctionController) { + var d = light.distance; - dom.bind(li, 'click', function() { - dom.fakeEvent(controller.__button, 'click'); - }); + if ( d === 0.0 ) { - dom.bind(li, 'mouseover', function() { - dom.addClass(controller.__button, 'hover'); - }); + this.lightDistance.visible = false; - dom.bind(li, 'mouseout', function() { - dom.removeClass(controller.__button, 'hover'); - }); + } else { - } - else if (controller instanceof ColorController) { + this.lightDistance.scale.set( d, d, d ); - dom.addClass(li, 'color'); - controller.updateDisplay = common.compose(function(r) { - li.style.borderLeftColor = controller.__color.toString(); - return r; - }, controller.updateDisplay); + } - controller.updateDisplay(); + this.add( this.lightDistance ); + */ - } + } - controller.setValue = common.compose(function(r) { - if (gui.getRoot().__preset_select && controller.isModified()) { - markPresetModified(gui.getRoot(), true); - } - return r; - }, controller.setValue); + PointLightHelper.prototype = Object.create( Mesh.prototype ); + PointLightHelper.prototype.constructor = PointLightHelper; - } + PointLightHelper.prototype.dispose = function () { - function recallSavedValue(gui, controller) { + this.geometry.dispose(); + this.material.dispose(); - // Find the topmost GUI, that's where remembered objects live. - var root = gui.getRoot(); + }; - // Does the object we're controlling match anything we've been told to - // remember? - var matched_index = root.__rememberedObjects.indexOf(controller.object); + PointLightHelper.prototype.update = function () { - // Why yes, it does! - if (matched_index != -1) { + this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - // Let me fetch a map of controllers for thcommon.isObject. - var controller_map = - root.__rememberedObjectIndecesToControllers[matched_index]; + /* + var d = this.light.distance; - // Ohp, I believe this is the first controller we've created for this - // object. Lets make the map fresh. - if (controller_map === undefined) { - controller_map = {}; - root.__rememberedObjectIndecesToControllers[matched_index] = - controller_map; - } + if ( d === 0.0 ) { - // Keep track of this controller - controller_map[controller.property] = controller; + this.lightDistance.visible = false; - // Okay, now have we saved any values for this controller? - if (root.load && root.load.remembered) { + } else { - var preset_map = root.load.remembered; + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); - // Which preset are we trying to load? - var preset; + } + */ - if (preset_map[gui.preset]) { + }; - preset = preset_map[gui.preset]; + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + */ - } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) { + function HemisphereLightHelper( light, sphereSize ) { - // Uhh, you can have the default instead? - preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME]; + Object3D.call( this ); - } else { + this.light = light; + this.light.updateMatrixWorld(); - // Nada. + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - return; + this.colors = [ new Color(), new Color() ]; - } + var geometry = new SphereGeometry( sphereSize, 4, 2 ); + geometry.rotateX( - Math.PI / 2 ); + for ( var i = 0, il = 8; i < il; i ++ ) { - // Did the loaded object remember thcommon.isObject? - if (preset[matched_index] && + geometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ]; - // Did we remember this particular property? - preset[matched_index][controller.property] !== undefined) { + } - // We did remember something for this guy ... - var value = preset[matched_index][controller.property]; + var material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } ); - // And that's what it is. - controller.initialValue = value; - controller.setValue(value); + this.lightSphere = new Mesh( geometry, material ); + this.add( this.lightSphere ); - } + this.update(); - } + } - } + HemisphereLightHelper.prototype = Object.create( Object3D.prototype ); + HemisphereLightHelper.prototype.constructor = HemisphereLightHelper; - } + HemisphereLightHelper.prototype.dispose = function () { - function getLocalStorageHash(gui, key) { - // TODO how does this deal with multiple GUI's? - return document.location.href + '.' + key; + this.lightSphere.geometry.dispose(); + this.lightSphere.material.dispose(); - } + }; - function addSaveMenu(gui) { + HemisphereLightHelper.prototype.update = function () { - var div = gui.__save_row = document.createElement('li'); + var vector = new Vector3(); - dom.addClass(gui.domElement, 'has-save'); + return function update() { - gui.__ul.insertBefore(div, gui.__ul.firstChild); + this.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity ); + this.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity ); - dom.addClass(div, 'save-row'); + this.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + this.lightSphere.geometry.colorsNeedUpdate = true; - var gears = document.createElement('span'); - gears.innerHTML = ' '; - dom.addClass(gears, 'button gears'); + }; - // TODO replace with FunctionController - var button = document.createElement('span'); - button.innerHTML = 'Save'; - dom.addClass(button, 'button'); - dom.addClass(button, 'save'); + }(); - var button2 = document.createElement('span'); - button2.innerHTML = 'New'; - dom.addClass(button2, 'button'); - dom.addClass(button2, 'save-as'); + /** + * @author mrdoob / http://mrdoob.com/ + */ - var button3 = document.createElement('span'); - button3.innerHTML = 'Revert'; - dom.addClass(button3, 'button'); - dom.addClass(button3, 'revert'); + function GridHelper( size, divisions, color1, color2 ) { - var select = gui.__preset_select = document.createElement('select'); + divisions = divisions || 1; + color1 = new Color( color1 !== undefined ? color1 : 0x444444 ); + color2 = new Color( color2 !== undefined ? color2 : 0x888888 ); - if (gui.load && gui.load.remembered) { + var center = divisions / 2; + var step = ( size * 2 ) / divisions; + var vertices = [], colors = []; - common.each(gui.load.remembered, function(value, key) { - addPresetOption(gui, key, key == gui.preset); - }); + for ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) { - } else { - addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false); - } + vertices.push( - size, 0, k, size, 0, k ); + vertices.push( k, 0, - size, k, 0, size ); - dom.bind(select, 'change', function() { + var color = i === center ? color1 : color2; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; - for (var index = 0; index < gui.__preset_select.length; index++) { - gui.__preset_select[index].innerHTML = gui.__preset_select[index].value; - } + } - gui.preset = this.value; + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) ); - }); + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - div.appendChild(select); - div.appendChild(gears); - div.appendChild(button); - div.appendChild(button2); - div.appendChild(button3); + LineSegments.call( this, geometry, material ); - if (SUPPORTS_LOCAL_STORAGE) { + } - var saveLocally = document.getElementById('dg-save-locally'); - var explain = document.getElementById('dg-local-explain'); + GridHelper.prototype = Object.create( LineSegments.prototype ); + GridHelper.prototype.constructor = GridHelper; - saveLocally.style.display = 'block'; + GridHelper.prototype.setColors = function () { - var localStorageCheckBox = document.getElementById('dg-local-storage'); + console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' ); - if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') { - localStorageCheckBox.setAttribute('checked', 'checked'); - } + }; - function showHideExplain() { - explain.style.display = gui.useLocalStorage ? 'block' : 'none'; - } + /** + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - showHideExplain(); + function FaceNormalsHelper( object, size, hex, linewidth ) { - // TODO: Use a boolean controller, fool! - dom.bind(localStorageCheckBox, 'change', function() { - gui.useLocalStorage = !gui.useLocalStorage; - showHideExplain(); - }); + // FaceNormalsHelper only supports THREE.Geometry - } + this.object = object; - var newConstructorTextArea = document.getElementById('dg-new-constructor'); + this.size = ( size !== undefined ) ? size : 1; - dom.bind(newConstructorTextArea, 'keydown', function(e) { - if (e.metaKey && (e.which === 67 || e.keyCode == 67)) { - SAVE_DIALOGUE.hide(); - } - }); + var color = ( hex !== undefined ) ? hex : 0xffff00; - dom.bind(gears, 'click', function() { - newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2); - SAVE_DIALOGUE.show(); - newConstructorTextArea.focus(); - newConstructorTextArea.select(); - }); + var width = ( linewidth !== undefined ) ? linewidth : 1; - dom.bind(button, 'click', function() { - gui.save(); - }); + // - dom.bind(button2, 'click', function() { - var presetName = prompt('Enter a new preset name.'); - if (presetName) gui.saveAs(presetName); - }); + var nNormals = 0; - dom.bind(button3, 'click', function() { - gui.revert(); - }); + var objGeometry = this.object.geometry; - // div.appendChild(button2); + if ( (objGeometry && objGeometry.isGeometry) ) { - } + nNormals = objGeometry.faces.length; - function addResizeHandle(gui) { + } else { - gui.__resize_handle = document.createElement('div'); + console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' ); - common.extend(gui.__resize_handle.style, { + } - width: '6px', - marginLeft: '-3px', - height: '200px', - cursor: 'ew-resize', - position: 'absolute' - // border: '1px solid blue' + // - }); + var geometry = new BufferGeometry(); - var pmouseX; + var positions = new Float32Attribute( nNormals * 2 * 3, 3 ); - dom.bind(gui.__resize_handle, 'mousedown', dragStart); - dom.bind(gui.__closeButton, 'mousedown', dragStart); + geometry.addAttribute( 'position', positions ); - gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild); + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) ); - function dragStart(e) { + // - e.preventDefault(); + this.matrixAutoUpdate = false; + this.update(); - pmouseX = e.clientX; + } - dom.addClass(gui.__closeButton, GUI.CLASS_DRAG); - dom.bind(window, 'mousemove', drag); - dom.bind(window, 'mouseup', dragStop); + FaceNormalsHelper.prototype = Object.create( LineSegments.prototype ); + FaceNormalsHelper.prototype.constructor = FaceNormalsHelper; - return false; + FaceNormalsHelper.prototype.update = ( function () { - } + var v1 = new Vector3(); + var v2 = new Vector3(); + var normalMatrix = new Matrix3(); - function drag(e) { + return function update() { - e.preventDefault(); + this.object.updateMatrixWorld( true ); - gui.width += pmouseX - e.clientX; - gui.onResize(); - pmouseX = e.clientX; + normalMatrix.getNormalMatrix( this.object.matrixWorld ); - return false; + var matrixWorld = this.object.matrixWorld; - } + var position = this.geometry.attributes.position; - function dragStop() { + // - dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG); - dom.unbind(window, 'mousemove', drag); - dom.unbind(window, 'mouseup', dragStop); + var objGeometry = this.object.geometry; - } + var vertices = objGeometry.vertices; - } + var faces = objGeometry.faces; - function setWidth(gui, w) { - gui.domElement.style.width = w + 'px'; - // Auto placed save-rows are position fixed, so we have to - // set the width manually if we want it to bleed to the edge - if (gui.__save_row && gui.autoPlace) { - gui.__save_row.style.width = w + 'px'; - }if (gui.__closeButton) { - gui.__closeButton.style.width = w + 'px'; - } - } + var idx = 0; - function getCurrentPreset(gui, useInitialValues) { + for ( var i = 0, l = faces.length; i < l; i ++ ) { - var toReturn = {}; + var face = faces[ i ]; - // For each object I'm remembering - common.each(gui.__rememberedObjects, function(val, index) { + var normal = face.normal; - var saved_values = {}; + v1.copy( vertices[ face.a ] ) + .add( vertices[ face.b ] ) + .add( vertices[ face.c ] ) + .divideScalar( 3 ) + .applyMatrix4( matrixWorld ); - // The controllers I've made for thcommon.isObject by property - var controller_map = - gui.__rememberedObjectIndecesToControllers[index]; + v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 ); - // Remember each value for each property - common.each(controller_map, function(controller, property) { - saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue(); - }); + position.setXYZ( idx, v1.x, v1.y, v1.z ); - // Save the values for thcommon.isObject - toReturn[index] = saved_values; + idx = idx + 1; - }); + position.setXYZ( idx, v2.x, v2.y, v2.z ); - return toReturn; + idx = idx + 1; - } + } - function addPresetOption(gui, name, setSelected) { - var opt = document.createElement('option'); - opt.innerHTML = name; - opt.value = name; - gui.__preset_select.appendChild(opt); - if (setSelected) { - gui.__preset_select.selectedIndex = gui.__preset_select.length - 1; - } - } + position.needsUpdate = true; - function setPresetSelectIndex(gui) { - for (var index = 0; index < gui.__preset_select.length; index++) { - if (gui.__preset_select[index].value == gui.preset) { - gui.__preset_select.selectedIndex = index; - } - } - } + return this; - function markPresetModified(gui, modified) { - var opt = gui.__preset_select[gui.__preset_select.selectedIndex]; - // console.log('mark', modified, opt); - if (modified) { - opt.innerHTML = opt.value + "*"; - } else { - opt.innerHTML = opt.value; - } - } + }; - function updateDisplays(controllerArray) { + }() ); + /** + * @author alteredq / http://alteredqualia.com/ + * @author mrdoob / http://mrdoob.com/ + * @author WestLangley / http://github.com/WestLangley + */ - if (controllerArray.length != 0) { + function DirectionalLightHelper( light, size ) { - requestAnimationFrame(function() { - updateDisplays(controllerArray); - }); + Object3D.call( this ); - } + this.light = light; + this.light.updateMatrixWorld(); - common.each(controllerArray, function(c) { - c.updateDisplay(); - }); + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; - } + if ( size === undefined ) size = 1; - return GUI; + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); - })(dat.utils.css, - "
\n\n Here's the new load parameter for your GUI's constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI's constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
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li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", - dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) { + var material = new LineBasicMaterial( { fog: false } ); - return function(object, property) { + this.add( new Line( geometry, material ) ); - var initialValue = object[property]; + geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); - // Providing options? - if (common.isArray(arguments[2]) || common.isObject(arguments[2])) { - return new OptionController(object, property, arguments[2]); - } + this.add( new Line( geometry, material )); - // Providing a map? + this.update(); - if (common.isNumber(initialValue)) { + } - if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) { + DirectionalLightHelper.prototype = Object.create( Object3D.prototype ); + DirectionalLightHelper.prototype.constructor = DirectionalLightHelper; - // Has min and max. - return new NumberControllerSlider(object, property, arguments[2], arguments[3]); + DirectionalLightHelper.prototype.dispose = function () { - } else { + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; - return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] }); + lightPlane.geometry.dispose(); + lightPlane.material.dispose(); + targetLine.geometry.dispose(); + targetLine.material.dispose(); - } + }; - } + DirectionalLightHelper.prototype.update = function () { - if (common.isString(initialValue)) { - return new StringController(object, property); - } + var v1 = new Vector3(); + var v2 = new Vector3(); + var v3 = new Vector3(); - if (common.isFunction(initialValue)) { - return new FunctionController(object, property, ''); - } + return function update() { - if (common.isBoolean(initialValue)) { - return new BooleanController(object, property); - } + v1.setFromMatrixPosition( this.light.matrixWorld ); + v2.setFromMatrixPosition( this.light.target.matrixWorld ); + v3.subVectors( v2, v1 ); - } + var lightPlane = this.children[ 0 ]; + var targetLine = this.children[ 1 ]; - })(dat.controllers.OptionController, - dat.controllers.NumberControllerBox, - dat.controllers.NumberControllerSlider, - dat.controllers.StringController = (function (Controller, dom, common) { + lightPlane.lookAt( v3 ); + lightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity ); - /** - * @class Provides a text input to alter the string property of an object. - * - * @extends dat.controllers.Controller - * - * @param {Object} object The object to be manipulated - * @param {string} property The name of the property to be manipulated - * - * @member dat.controllers - */ - var StringController = function(object, property) { + targetLine.lookAt( v3 ); + targetLine.scale.z = v3.length(); - StringController.superclass.call(this, object, property); + }; - var _this = this; + }(); - this.__input = document.createElement('input'); - this.__input.setAttribute('type', 'text'); + /** + * @author alteredq / http://alteredqualia.com/ + * + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * http://evanw.github.com/lightgl.js/tests/shadowmap.html + */ - dom.bind(this.__input, 'keyup', onChange); - dom.bind(this.__input, 'change', onChange); - dom.bind(this.__input, 'blur', onBlur); - dom.bind(this.__input, 'keydown', function(e) { - if (e.keyCode === 13) { - this.blur(); - } - }); - + function CameraHelper( camera ) { - function onChange() { - _this.setValue(_this.__input.value); - } + var geometry = new Geometry(); + var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } ); - function onBlur() { - if (_this.__onFinishChange) { - _this.__onFinishChange.call(_this, _this.getValue()); - } - } + var pointMap = {}; - this.updateDisplay(); + // colors - this.domElement.appendChild(this.__input); + var hexFrustum = 0xffaa00; + var hexCone = 0xff0000; + var hexUp = 0x00aaff; + var hexTarget = 0xffffff; + var hexCross = 0x333333; - }; + // near - StringController.superclass = Controller; + addLine( "n1", "n2", hexFrustum ); + addLine( "n2", "n4", hexFrustum ); + addLine( "n4", "n3", hexFrustum ); + addLine( "n3", "n1", hexFrustum ); - common.extend( + // far - StringController.prototype, - Controller.prototype, + addLine( "f1", "f2", hexFrustum ); + addLine( "f2", "f4", hexFrustum ); + addLine( "f4", "f3", hexFrustum ); + addLine( "f3", "f1", hexFrustum ); - { + // sides - updateDisplay: function() { - // Stops the caret from moving on account of: - // keyup -> setValue -> updateDisplay - if (!dom.isActive(this.__input)) { - this.__input.value = this.getValue(); - } - return StringController.superclass.prototype.updateDisplay.call(this); - } + addLine( "n1", "f1", hexFrustum ); + addLine( "n2", "f2", hexFrustum ); + addLine( "n3", "f3", hexFrustum ); + addLine( "n4", "f4", hexFrustum ); - } + // cone - ); + addLine( "p", "n1", hexCone ); + addLine( "p", "n2", hexCone ); + addLine( "p", "n3", hexCone ); + addLine( "p", "n4", hexCone ); - return StringController; + // up - })(dat.controllers.Controller, - dat.dom.dom, - dat.utils.common), - dat.controllers.FunctionController, - dat.controllers.BooleanController, - dat.utils.common), - dat.controllers.Controller, - dat.controllers.BooleanController, - dat.controllers.FunctionController, - dat.controllers.NumberControllerBox, - dat.controllers.NumberControllerSlider, - dat.controllers.OptionController, - dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) { + addLine( "u1", "u2", hexUp ); + addLine( "u2", "u3", hexUp ); + addLine( "u3", "u1", hexUp ); - var ColorController = function(object, property) { + // target - ColorController.superclass.call(this, object, property); + addLine( "c", "t", hexTarget ); + addLine( "p", "c", hexCross ); - this.__color = new Color(this.getValue()); - this.__temp = new Color(0); + // cross - var _this = this; + addLine( "cn1", "cn2", hexCross ); + addLine( "cn3", "cn4", hexCross ); - this.domElement = document.createElement('div'); + addLine( "cf1", "cf2", hexCross ); + addLine( "cf3", "cf4", hexCross ); - dom.makeSelectable(this.domElement, false); + function addLine( a, b, hex ) { - this.__selector = document.createElement('div'); - this.__selector.className = 'selector'; + addPoint( a, hex ); + addPoint( b, hex ); - this.__saturation_field = document.createElement('div'); - this.__saturation_field.className = 'saturation-field'; + } - this.__field_knob = document.createElement('div'); - this.__field_knob.className = 'field-knob'; - this.__field_knob_border = '2px solid '; + function addPoint( id, hex ) { - this.__hue_knob = document.createElement('div'); - this.__hue_knob.className = 'hue-knob'; + geometry.vertices.push( new Vector3() ); + geometry.colors.push( new Color( hex ) ); - this.__hue_field = document.createElement('div'); - this.__hue_field.className = 'hue-field'; + if ( pointMap[ id ] === undefined ) { - this.__input = document.createElement('input'); - this.__input.type = 'text'; - this.__input_textShadow = '0 1px 1px '; + pointMap[ id ] = []; - dom.bind(this.__input, 'keydown', function(e) { - if (e.keyCode === 13) { // on enter - onBlur.call(this); - } - }); + } - dom.bind(this.__input, 'blur', onBlur); + pointMap[ id ].push( geometry.vertices.length - 1 ); - dom.bind(this.__selector, 'mousedown', function(e) { + } - dom - .addClass(this, 'drag') - .bind(window, 'mouseup', function(e) { - dom.removeClass(_this.__selector, 'drag'); - }); + LineSegments.call( this, geometry, material ); - }); + this.camera = camera; + if( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); - var value_field = document.createElement('div'); + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; - common.extend(this.__selector.style, { - width: '122px', - height: '102px', - padding: '3px', - backgroundColor: '#222', - boxShadow: '0px 1px 3px rgba(0,0,0,0.3)' - }); + this.pointMap = pointMap; - common.extend(this.__field_knob.style, { - position: 'absolute', - width: '12px', - height: '12px', - border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'), - boxShadow: '0px 1px 3px rgba(0,0,0,0.5)', - borderRadius: '12px', - zIndex: 1 - }); - - common.extend(this.__hue_knob.style, { - position: 'absolute', - width: '15px', - height: '2px', - borderRight: '4px solid #fff', - zIndex: 1 - }); + this.update(); - common.extend(this.__saturation_field.style, { - width: '100px', - height: '100px', - border: '1px solid #555', - marginRight: '3px', - display: 'inline-block', - cursor: 'pointer' - }); + } - common.extend(value_field.style, { - width: '100%', - height: '100%', - background: 'none' - }); - - linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000'); + CameraHelper.prototype = Object.create( LineSegments.prototype ); + CameraHelper.prototype.constructor = CameraHelper; - common.extend(this.__hue_field.style, { - width: '15px', - height: '100px', - display: 'inline-block', - border: '1px solid #555', - cursor: 'ns-resize' - }); + CameraHelper.prototype.update = function () { - hueGradient(this.__hue_field); + var geometry, pointMap; - common.extend(this.__input.style, { - outline: 'none', - // width: '120px', - textAlign: 'center', - // padding: '4px', - // marginBottom: '6px', - color: '#fff', - border: 0, - fontWeight: 'bold', - textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)' - }); + var vector = new Vector3(); + var camera = new Camera(); - dom.bind(this.__saturation_field, 'mousedown', fieldDown); - dom.bind(this.__field_knob, 'mousedown', fieldDown); + function setPoint( point, x, y, z ) { - dom.bind(this.__hue_field, 'mousedown', function(e) { - setH(e); - dom.bind(window, 'mousemove', setH); - dom.bind(window, 'mouseup', unbindH); - }); + vector.set( x, y, z ).unproject( camera ); - function fieldDown(e) { - setSV(e); - // document.body.style.cursor = 'none'; - dom.bind(window, 'mousemove', setSV); - dom.bind(window, 'mouseup', unbindSV); - } + var points = pointMap[ point ]; - function unbindSV() { - dom.unbind(window, 'mousemove', setSV); - dom.unbind(window, 'mouseup', unbindSV); - // document.body.style.cursor = 'default'; - } + if ( points !== undefined ) { - function onBlur() { - var i = interpret(this.value); - if (i !== false) { - _this.__color.__state = i; - _this.setValue(_this.__color.toOriginal()); - } else { - this.value = _this.__color.toString(); - } - } + for ( var i = 0, il = points.length; i < il; i ++ ) { - function unbindH() { - dom.unbind(window, 'mousemove', setH); - dom.unbind(window, 'mouseup', unbindH); - } + geometry.vertices[ points[ i ] ].copy( vector ); - this.__saturation_field.appendChild(value_field); - this.__selector.appendChild(this.__field_knob); - this.__selector.appendChild(this.__saturation_field); - this.__selector.appendChild(this.__hue_field); - this.__hue_field.appendChild(this.__hue_knob); + } - this.domElement.appendChild(this.__input); - this.domElement.appendChild(this.__selector); + } - this.updateDisplay(); + } - function setSV(e) { + return function update() { - e.preventDefault(); + geometry = this.geometry; + pointMap = this.pointMap; - var w = dom.getWidth(_this.__saturation_field); - var o = dom.getOffset(_this.__saturation_field); - var s = (e.clientX - o.left + document.body.scrollLeft) / w; - var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w; + var w = 1, h = 1; - if (v > 1) v = 1; - else if (v < 0) v = 0; + // we need just camera projection matrix + // world matrix must be identity - if (s > 1) s = 1; - else if (s < 0) s = 0; + camera.projectionMatrix.copy( this.camera.projectionMatrix ); - _this.__color.v = v; - _this.__color.s = s; + // center / target - _this.setValue(_this.__color.toOriginal()); + setPoint( "c", 0, 0, - 1 ); + setPoint( "t", 0, 0, 1 ); + // near - return false; + setPoint( "n1", - w, - h, - 1 ); + setPoint( "n2", w, - h, - 1 ); + setPoint( "n3", - w, h, - 1 ); + setPoint( "n4", w, h, - 1 ); - } + // far - function setH(e) { + setPoint( "f1", - w, - h, 1 ); + setPoint( "f2", w, - h, 1 ); + setPoint( "f3", - w, h, 1 ); + setPoint( "f4", w, h, 1 ); - e.preventDefault(); + // up - var s = dom.getHeight(_this.__hue_field); - var o = dom.getOffset(_this.__hue_field); - var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s; + setPoint( "u1", w * 0.7, h * 1.1, - 1 ); + setPoint( "u2", - w * 0.7, h * 1.1, - 1 ); + setPoint( "u3", 0, h * 2, - 1 ); - if (h > 1) h = 1; - else if (h < 0) h = 0; + // cross - _this.__color.h = h * 360; + setPoint( "cf1", - w, 0, 1 ); + setPoint( "cf2", w, 0, 1 ); + setPoint( "cf3", 0, - h, 1 ); + setPoint( "cf4", 0, h, 1 ); - _this.setValue(_this.__color.toOriginal()); + setPoint( "cn1", - w, 0, - 1 ); + setPoint( "cn2", w, 0, - 1 ); + setPoint( "cn3", 0, - h, - 1 ); + setPoint( "cn4", 0, h, - 1 ); - return false; + geometry.verticesNeedUpdate = true; - } + }; - }; + }(); - ColorController.superclass = Controller; + /** + * @author WestLangley / http://github.com/WestLangley + */ - common.extend( + // a helper to show the world-axis-aligned bounding box for an object - ColorController.prototype, - Controller.prototype, + function BoundingBoxHelper( object, hex ) { - { + var color = ( hex !== undefined ) ? hex : 0x888888; - updateDisplay: function() { + this.object = object; - var i = interpret(this.getValue()); + this.box = new Box3(); - if (i !== false) { + Mesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) ); - var mismatch = false; + } - // Check for mismatch on the interpreted value. + BoundingBoxHelper.prototype = Object.create( Mesh.prototype ); + BoundingBoxHelper.prototype.constructor = BoundingBoxHelper; - common.each(Color.COMPONENTS, function(component) { - if (!common.isUndefined(i[component]) && - !common.isUndefined(this.__color.__state[component]) && - i[component] !== this.__color.__state[component]) { - mismatch = true; - return {}; // break - } - }, this); + BoundingBoxHelper.prototype.update = function () { - // If nothing diverges, we keep our previous values - // for statefulness, otherwise we recalculate fresh - if (mismatch) { - common.extend(this.__color.__state, i); - } + this.box.setFromObject( this.object ); - } + this.box.getSize( this.scale ); - common.extend(this.__temp.__state, this.__color.__state); + this.box.getCenter( this.position ); - this.__temp.a = 1; + }; - var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0; - var _flip = 255 - flip; + /** + * @author mrdoob / http://mrdoob.com/ + */ - common.extend(this.__field_knob.style, { - marginLeft: 100 * this.__color.s - 7 + 'px', - marginTop: 100 * (1 - this.__color.v) - 7 + 'px', - backgroundColor: this.__temp.toString(), - border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')' - }); + function BoxHelper( object, color ) { - this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px' + if ( color === undefined ) color = 0xffff00; - this.__temp.s = 1; - this.__temp.v = 1; + var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + var positions = new Float32Array( 8 * 3 ); - linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString()); + var geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) ); - common.extend(this.__input.style, { - backgroundColor: this.__input.value = this.__color.toString(), - color: 'rgb(' + flip + ',' + flip + ',' + flip +')', - textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)' - }); + LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) ); - } + if ( object !== undefined ) { - } + this.update( object ); - ); - - var vendors = ['-moz-','-o-','-webkit-','-ms-','']; - - function linearGradient(elem, x, a, b) { - elem.style.background = ''; - common.each(vendors, function(vendor) { - elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); '; - }); - } - - function hueGradient(elem) { - elem.style.background = ''; - elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);' - elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);' - } + } + } - return ColorController; + BoxHelper.prototype = Object.create( LineSegments.prototype ); + BoxHelper.prototype.constructor = BoxHelper; - })(dat.controllers.Controller, - dat.dom.dom, - dat.color.Color = (function (interpret, math, toString, common) { + BoxHelper.prototype.update = ( function () { - var Color = function() { + var box = new Box3(); - this.__state = interpret.apply(this, arguments); + return function update( object ) { - if (this.__state === false) { - throw 'Failed to interpret color arguments'; - } + if ( (object && object.isBox3) ) { - this.__state.a = this.__state.a || 1; + box.copy( object ); + } else { - }; + box.setFromObject( object ); - Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + } - common.extend(Color.prototype, { + if ( box.isEmpty() ) return; - toString: function() { - return toString(this); - }, + var min = box.min; + var max = box.max; - toOriginal: function() { - return this.__state.conversion.write(this); - } + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ - }); + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ - defineRGBComponent(Color.prototype, 'r', 2); - defineRGBComponent(Color.prototype, 'g', 1); - defineRGBComponent(Color.prototype, 'b', 0); + var position = this.geometry.attributes.position; + var array = position.array; - defineHSVComponent(Color.prototype, 'h'); - defineHSVComponent(Color.prototype, 's'); - defineHSVComponent(Color.prototype, 'v'); + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; - Object.defineProperty(Color.prototype, 'a', { + position.needsUpdate = true; - get: function() { - return this.__state.a; - }, + this.geometry.computeBoundingSphere(); - set: function(v) { - this.__state.a = v; - } + }; - }); + } )(); - Object.defineProperty(Color.prototype, 'hex', { + /** + * @author WestLangley / http://github.com/WestLangley + * @author zz85 / http://github.com/zz85 + * @author bhouston / http://clara.io + * + * Creates an arrow for visualizing directions + * + * Parameters: + * dir - Vector3 + * origin - Vector3 + * length - Number + * color - color in hex value + * headLength - Number + * headWidth - Number + */ - get: function() { + var lineGeometry = new BufferGeometry(); + lineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); - if (!this.__state.space !== 'HEX') { - this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); - } + var coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 ); + coneGeometry.translate( 0, - 0.5, 0 ); - return this.__state.hex; + function ArrowHelper( dir, origin, length, color, headLength, headWidth ) { - }, + // dir is assumed to be normalized - set: function(v) { + Object3D.call( this ); - this.__state.space = 'HEX'; - this.__state.hex = v; + if ( color === undefined ) color = 0xffff00; + if ( length === undefined ) length = 1; + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; - } + this.position.copy( origin ); - }); + this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); - function defineRGBComponent(target, component, componentHexIndex) { + this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); - Object.defineProperty(target, component, { + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); - get: function() { + } - if (this.__state.space === 'RGB') { - return this.__state[component]; - } + ArrowHelper.prototype = Object.create( Object3D.prototype ); + ArrowHelper.prototype.constructor = ArrowHelper; - recalculateRGB(this, component, componentHexIndex); + ArrowHelper.prototype.setDirection = ( function () { - return this.__state[component]; + var axis = new Vector3(); + var radians; - }, + return function setDirection( dir ) { - set: function(v) { + // dir is assumed to be normalized - if (this.__state.space !== 'RGB') { - recalculateRGB(this, component, componentHexIndex); - this.__state.space = 'RGB'; - } + if ( dir.y > 0.99999 ) { - this.__state[component] = v; + this.quaternion.set( 0, 0, 0, 1 ); - } + } else if ( dir.y < - 0.99999 ) { - }); + this.quaternion.set( 1, 0, 0, 0 ); - } + } else { - function defineHSVComponent(target, component) { + axis.set( dir.z, 0, - dir.x ).normalize(); - Object.defineProperty(target, component, { + radians = Math.acos( dir.y ); - get: function() { + this.quaternion.setFromAxisAngle( axis, radians ); - if (this.__state.space === 'HSV') - return this.__state[component]; + } - recalculateHSV(this); + }; - return this.__state[component]; + }() ); - }, + ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) { - set: function(v) { + if ( headLength === undefined ) headLength = 0.2 * length; + if ( headWidth === undefined ) headWidth = 0.2 * headLength; - if (this.__state.space !== 'HSV') { - recalculateHSV(this); - this.__state.space = 'HSV'; - } + this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 ); + this.line.updateMatrix(); - this.__state[component] = v; + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); - } + }; - }); + ArrowHelper.prototype.setColor = function ( color ) { - } + this.line.material.color.copy( color ); + this.cone.material.color.copy( color ); - function recalculateRGB(color, component, componentHexIndex) { + }; - if (color.__state.space === 'HEX') { + /** + * @author sroucheray / http://sroucheray.org/ + * @author mrdoob / http://mrdoob.com/ + */ - color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + function AxisHelper( size ) { - } else if (color.__state.space === 'HSV') { + size = size || 1; - common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + var vertices = new Float32Array( [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ] ); - } else { + var colors = new Float32Array( [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ] ); - throw 'Corrupted color state'; + var geometry = new BufferGeometry(); + geometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) ); - } + var material = new LineBasicMaterial( { vertexColors: VertexColors } ); - } + LineSegments.call( this, geometry, material ); - function recalculateHSV(color) { + } - var result = math.rgb_to_hsv(color.r, color.g, color.b); + AxisHelper.prototype = Object.create( LineSegments.prototype ); + AxisHelper.prototype.constructor = AxisHelper; - common.extend(color.__state, - { - s: result.s, - v: result.v - } - ); + /** + * @author zz85 https://github.com/zz85 + * + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ - if (!common.isNaN(result.h)) { - color.__state.h = result.h; - } else if (common.isUndefined(color.__state.h)) { - color.__state.h = 0; - } + var CatmullRomCurve3 = ( function() { + + var + tmp = new Vector3(), + px = new CubicPoly(), + py = new CubicPoly(), + pz = new CubicPoly(); + + /* + Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM + + This CubicPoly class could be used for reusing some variables and calculations, + but for three.js curve use, it could be possible inlined and flatten into a single function call + which can be placed in CurveUtils. + */ + + function CubicPoly() {} - } + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + CubicPoly.prototype.init = function( x0, x1, t0, t1 ) { - return Color; + this.c0 = x0; + this.c1 = t0; + this.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + this.c3 = 2 * x0 - 2 * x1 + t0 + t1; - })(dat.color.interpret, - dat.color.math = (function () { + }; - var tmpComponent; + CubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) { - return { + // compute tangents when parameterized in [t1,t2] + var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; - hsv_to_rgb: function(h, s, v) { + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; - var hi = Math.floor(h / 60) % 6; + // initCubicPoly + this.init( x1, x2, t1, t2 ); - var f = h / 60 - Math.floor(h / 60); - var p = v * (1.0 - s); - var q = v * (1.0 - (f * s)); - var t = v * (1.0 - ((1.0 - f) * s)); - var c = [ - [v, t, p], - [q, v, p], - [p, v, t], - [p, q, v], - [t, p, v], - [v, p, q] - ][hi]; + }; - return { - r: c[0] * 255, - g: c[1] * 255, - b: c[2] * 255 - }; + // standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4 + CubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) { - }, + this.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); - rgb_to_hsv: function(r, g, b) { + }; - var min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s; + CubicPoly.prototype.calc = function( t ) { - if (max != 0) { - s = delta / max; - } else { - return { - h: NaN, - s: 0, - v: 0 - }; - } + var t2 = t * t; + var t3 = t2 * t; + return this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3; - if (r == max) { - h = (g - b) / delta; - } else if (g == max) { - h = 2 + (b - r) / delta; - } else { - h = 4 + (r - g) / delta; - } - h /= 6; - if (h < 0) { - h += 1; - } + }; - return { - h: h * 360, - s: s, - v: max / 255 - }; - }, + // Subclass Three.js curve + return Curve.create( - rgb_to_hex: function(r, g, b) { - var hex = this.hex_with_component(0, 2, r); - hex = this.hex_with_component(hex, 1, g); - hex = this.hex_with_component(hex, 0, b); - return hex; - }, + function ( p /* array of Vector3 */ ) { - component_from_hex: function(hex, componentIndex) { - return (hex >> (componentIndex * 8)) & 0xFF; - }, + this.points = p || []; + this.closed = false; - hex_with_component: function(hex, componentIndex, value) { - return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); - } + }, - } + function ( t ) { - })(), - dat.color.toString, - dat.utils.common), - dat.color.interpret, - dat.utils.common), - dat.utils.requestAnimationFrame = (function () { + var points = this.points, + point, intPoint, weight, l; - /** - * requirejs version of Paul Irish's RequestAnimationFrame - * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ - */ + l = points.length; - return window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback, element) { + if ( l < 2 ) console.log( 'duh, you need at least 2 points' ); - window.setTimeout(callback, 1000 / 60); + point = ( l - ( this.closed ? 0 : 1 ) ) * t; + intPoint = Math.floor( point ); + weight = point - intPoint; - }; - })(), - dat.dom.CenteredDiv = (function (dom, common) { + if ( this.closed ) { + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length; - var CenteredDiv = function() { + } else if ( weight === 0 && intPoint === l - 1 ) { - this.backgroundElement = document.createElement('div'); - common.extend(this.backgroundElement.style, { - backgroundColor: 'rgba(0,0,0,0.8)', - top: 0, - left: 0, - display: 'none', - zIndex: '1000', - opacity: 0, - WebkitTransition: 'opacity 0.2s linear' - }); + intPoint = l - 2; + weight = 1; - dom.makeFullscreen(this.backgroundElement); - this.backgroundElement.style.position = 'fixed'; + } - this.domElement = document.createElement('div'); - common.extend(this.domElement.style, { - position: 'fixed', - display: 'none', - zIndex: '1001', - opacity: 0, - WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear' - }); + var p0, p1, p2, p3; // 4 points + if ( this.closed || intPoint > 0 ) { - document.body.appendChild(this.backgroundElement); - document.body.appendChild(this.domElement); + p0 = points[ ( intPoint - 1 ) % l ]; - var _this = this; - dom.bind(this.backgroundElement, 'click', function() { - _this.hide(); - }); + } else { + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; - }; + } - CenteredDiv.prototype.show = function() { + p1 = points[ intPoint % l ]; + p2 = points[ ( intPoint + 1 ) % l ]; - var _this = this; - + if ( this.closed || intPoint + 2 < l ) { + p3 = points[ ( intPoint + 2 ) % l ]; - this.backgroundElement.style.display = 'block'; + } else { - this.domElement.style.display = 'block'; - this.domElement.style.opacity = 0; - // this.domElement.style.top = '52%'; - this.domElement.style.webkitTransform = 'scale(1.1)'; + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; - this.layout(); + } - common.defer(function() { - _this.backgroundElement.style.opacity = 1; - _this.domElement.style.opacity = 1; - _this.domElement.style.webkitTransform = 'scale(1)'; - }); + if ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) { - }; + // init Centripetal / Chordal Catmull-Rom + var pow = this.type === 'chordal' ? 0.5 : 0.25; + var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); - CenteredDiv.prototype.hide = function() { + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; - var _this = this; + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); - var hide = function() { + } else if ( this.type === 'catmullrom' ) { - _this.domElement.style.display = 'none'; - _this.backgroundElement.style.display = 'none'; + var tension = this.tension !== undefined ? this.tension : 0.5; + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension ); - dom.unbind(_this.domElement, 'webkitTransitionEnd', hide); - dom.unbind(_this.domElement, 'transitionend', hide); - dom.unbind(_this.domElement, 'oTransitionEnd', hide); + } - }; + var v = new Vector3( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); - dom.bind(this.domElement, 'webkitTransitionEnd', hide); - dom.bind(this.domElement, 'transitionend', hide); - dom.bind(this.domElement, 'oTransitionEnd', hide); + return v; - this.backgroundElement.style.opacity = 0; - // this.domElement.style.top = '48%'; - this.domElement.style.opacity = 0; - this.domElement.style.webkitTransform = 'scale(1.1)'; + } - }; + ); - CenteredDiv.prototype.layout = function() { - this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px'; - this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px'; - }; - - function lockScroll(e) { - console.log(e); - } + } )(); - return CenteredDiv; + /************************************************************** + * Closed Spline 3D curve + **************************************************************/ - })(dat.dom.dom, - dat.utils.common), - dat.dom.dom, - dat.utils.common); - -/***/ }, -/* 8 */ -/***/ function(module, exports) { - - /** - * dat-gui JavaScript Controller Library - * http://code.google.com/p/dat-gui - * - * Copyright 2011 Data Arts Team, Google Creative Lab - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ - /** @namespace */ - var dat = module.exports = dat || {}; + function ClosedSplineCurve3( points ) { - /** @namespace */ - dat.color = dat.color || {}; + console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' ); - /** @namespace */ - dat.utils = dat.utils || {}; + CatmullRomCurve3.call( this, points ); + this.type = 'catmullrom'; + this.closed = true; - dat.utils.common = (function () { - - var ARR_EACH = Array.prototype.forEach; - var ARR_SLICE = Array.prototype.slice; + } - /** - * Band-aid methods for things that should be a lot easier in JavaScript. - * Implementation and structure inspired by underscore.js - * http://documentcloud.github.com/underscore/ - */ + ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype ); - return { - - BREAK: {}, - - extend: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (!this.isUndefined(obj[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - defaults: function(target) { - - this.each(ARR_SLICE.call(arguments, 1), function(obj) { - - for (var key in obj) - if (this.isUndefined(target[key])) - target[key] = obj[key]; - - }, this); - - return target; - - }, - - compose: function() { - var toCall = ARR_SLICE.call(arguments); - return function() { - var args = ARR_SLICE.call(arguments); - for (var i = toCall.length -1; i >= 0; i--) { - args = [toCall[i].apply(this, args)]; - } - return args[0]; - } - }, - - each: function(obj, itr, scope) { + /************************************************************** + * Spline 3D curve + **************************************************************/ - - if (ARR_EACH && obj.forEach === ARR_EACH) { - - obj.forEach(itr, scope); - - } else if (obj.length === obj.length + 0) { // Is number but not NaN - - for (var key = 0, l = obj.length; key < l; key++) - if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) - return; - - } else { - for (var key in obj) - if (itr.call(scope, obj[key], key) === this.BREAK) - return; - - } - - }, - - defer: function(fnc) { - setTimeout(fnc, 0); - }, - - toArray: function(obj) { - if (obj.toArray) return obj.toArray(); - return ARR_SLICE.call(obj); - }, + var SplineCurve3 = Curve.create( - isUndefined: function(obj) { - return obj === undefined; - }, - - isNull: function(obj) { - return obj === null; - }, - - isNaN: function(obj) { - return obj !== obj; - }, - - isArray: Array.isArray || function(obj) { - return obj.constructor === Array; - }, - - isObject: function(obj) { - return obj === Object(obj); - }, - - isNumber: function(obj) { - return obj === obj+0; - }, - - isString: function(obj) { - return obj === obj+''; - }, - - isBoolean: function(obj) { - return obj === false || obj === true; - }, - - isFunction: function(obj) { - return Object.prototype.toString.call(obj) === '[object Function]'; - } - - }; - - })(); + function ( points /* array of Vector3 */ ) { + console.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' ); + this.points = ( points === undefined ) ? [] : points; - dat.color.toString = (function (common) { + }, - return function(color) { + function ( t ) { - if (color.a == 1 || common.isUndefined(color.a)) { + var points = this.points; + var point = ( points.length - 1 ) * t; - var s = color.hex.toString(16); - while (s.length < 6) { - s = '0' + s; - } + var intPoint = Math.floor( point ); + var weight = point - intPoint; - return '#' + s; + var point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ]; + var point1 = points[ intPoint ]; + var point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + var point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; - } else { + var interpolate = CurveUtils.interpolate; - return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')'; + return new Vector3( + interpolate( point0.x, point1.x, point2.x, point3.x, weight ), + interpolate( point0.y, point1.y, point2.y, point3.y, weight ), + interpolate( point0.z, point1.z, point2.z, point3.z, weight ) + ); - } + } - } + ); - })(dat.utils.common); + /************************************************************** + * Cubic Bezier 3D curve + **************************************************************/ + var CubicBezierCurve3 = Curve.create( - dat.Color = dat.color.Color = (function (interpret, math, toString, common) { + function ( v0, v1, v2, v3 ) { - var Color = function() { + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; - this.__state = interpret.apply(this, arguments); + }, - if (this.__state === false) { - throw 'Failed to interpret color arguments'; - } + function ( t ) { - this.__state.a = this.__state.a || 1; + var b3 = ShapeUtils.b3; + return new Vector3( + b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ), + b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ), + b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z ) + ); - }; + } - Color.COMPONENTS = ['r','g','b','h','s','v','hex','a']; + ); - common.extend(Color.prototype, { + /************************************************************** + * Quadratic Bezier 3D curve + **************************************************************/ - toString: function() { - return toString(this); - }, + var QuadraticBezierCurve3 = Curve.create( - toOriginal: function() { - return this.__state.conversion.write(this); - } + function ( v0, v1, v2 ) { - }); + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; - defineRGBComponent(Color.prototype, 'r', 2); - defineRGBComponent(Color.prototype, 'g', 1); - defineRGBComponent(Color.prototype, 'b', 0); + }, - defineHSVComponent(Color.prototype, 'h'); - defineHSVComponent(Color.prototype, 's'); - defineHSVComponent(Color.prototype, 'v'); + function ( t ) { - Object.defineProperty(Color.prototype, 'a', { + var b2 = ShapeUtils.b2; + + return new Vector3( + b2( t, this.v0.x, this.v1.x, this.v2.x ), + b2( t, this.v0.y, this.v1.y, this.v2.y ), + b2( t, this.v0.z, this.v1.z, this.v2.z ) + ); - get: function() { - return this.__state.a; - }, + } - set: function(v) { - this.__state.a = v; - } + ); - }); + /************************************************************** + * Line3D + **************************************************************/ - Object.defineProperty(Color.prototype, 'hex', { + var LineCurve3 = Curve.create( - get: function() { + function ( v1, v2 ) { - if (!this.__state.space !== 'HEX') { - this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b); - } + this.v1 = v1; + this.v2 = v2; - return this.__state.hex; + }, - }, + function ( t ) { - set: function(v) { + if ( t === 1 ) { - this.__state.space = 'HEX'; - this.__state.hex = v; + return this.v2.clone(); - } + } - }); + var vector = new Vector3(); - function defineRGBComponent(target, component, componentHexIndex) { + vector.subVectors( this.v2, this.v1 ); // diff + vector.multiplyScalar( t ); + vector.add( this.v1 ); - Object.defineProperty(target, component, { + return vector; - get: function() { + } - if (this.__state.space === 'RGB') { - return this.__state[component]; - } + ); - recalculateRGB(this, component, componentHexIndex); + /************************************************************** + * Arc curve + **************************************************************/ - return this.__state[component]; + function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { - }, + EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); - set: function(v) { + } - if (this.__state.space !== 'RGB') { - recalculateRGB(this, component, componentHexIndex); - this.__state.space = 'RGB'; - } + ArcCurve.prototype = Object.create( EllipseCurve.prototype ); + ArcCurve.prototype.constructor = ArcCurve; - this.__state[component] = v; + /** + * @author alteredq / http://alteredqualia.com/ + */ - } + var SceneUtils = { - }); + createMultiMaterialObject: function ( geometry, materials ) { - } + var group = new Group(); - function defineHSVComponent(target, component) { + for ( var i = 0, l = materials.length; i < l; i ++ ) { - Object.defineProperty(target, component, { + group.add( new Mesh( geometry, materials[ i ] ) ); - get: function() { + } - if (this.__state.space === 'HSV') - return this.__state[component]; + return group; - recalculateHSV(this); + }, - return this.__state[component]; + detach: function ( child, parent, scene ) { - }, + child.applyMatrix( parent.matrixWorld ); + parent.remove( child ); + scene.add( child ); - set: function(v) { + }, - if (this.__state.space !== 'HSV') { - recalculateHSV(this); - this.__state.space = 'HSV'; - } + attach: function ( child, scene, parent ) { - this.__state[component] = v; + var matrixWorldInverse = new Matrix4(); + matrixWorldInverse.getInverse( parent.matrixWorld ); + child.applyMatrix( matrixWorldInverse ); - } + scene.remove( child ); + parent.add( child ); - }); + } - } + }; - function recalculateRGB(color, component, componentHexIndex) { + /** + * @author mrdoob / http://mrdoob.com/ + */ - if (color.__state.space === 'HEX') { + function Face4 ( a, b, c, d, normal, color, materialIndex ) { + console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' ); + return new Face3( a, b, c, normal, color, materialIndex ); + } - color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex); + var LineStrip = 0; - } else if (color.__state.space === 'HSV') { + var LinePieces = 1; - common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v)); + function PointCloud ( geometry, material ) { + console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } - } else { + function ParticleSystem ( geometry, material ) { + console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' ); + return new Points( geometry, material ); + } - throw 'Corrupted color state'; + function PointCloudMaterial ( parameters ) { + console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } - } + function ParticleBasicMaterial ( parameters ) { + console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } - } + function ParticleSystemMaterial ( parameters ) { + console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' ); + return new PointsMaterial( parameters ); + } - function recalculateHSV(color) { + function Vertex ( x, y, z ) { + console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' ); + return new Vector3( x, y, z ); + } - var result = math.rgb_to_hsv(color.r, color.g, color.b); + // - common.extend(color.__state, - { - s: result.s, - v: result.v - } - ); + function EdgesHelper( object, hex ) { + console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' ); + return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } - if (!common.isNaN(result.h)) { - color.__state.h = result.h; - } else if (common.isUndefined(color.__state.h)) { - color.__state.h = 0; - } + function WireframeHelper( object, hex ) { + console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' ); + return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) ); + } - } + // - return Color; + Object.assign( Box2.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); - })(dat.color.interpret = (function (toString, common) { + Object.assign( Box3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + }, + empty: function () { + console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' ); + return this.isEmpty(); + }, + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + }, + size: function ( optionalTarget ) { + console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' ); + return this.getSize( optionalTarget ); + } + } ); - var result, toReturn; + Object.assign( Line3.prototype, { + center: function ( optionalTarget ) { + console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' ); + return this.getCenter( optionalTarget ); + } + } ); - var interpret = function() { + Object.assign( Matrix3.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' ); + return vector.applyMatrix3( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + } + } ); - toReturn = false; + Object.assign( Matrix4.prototype, { + extractPosition: function ( m ) { + console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' ); + return this.copyPosition( m ); + }, + setRotationFromQuaternion: function ( q ) { + console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' ); + return this.makeRotationFromQuaternion( q ); + }, + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' ); + return vector.applyProjection( this ); + }, + multiplyVector4: function ( vector ) { + console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + multiplyVector3Array: function ( a ) { + console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' ); + return this.applyToVector3Array( a ); + }, + rotateAxis: function ( v ) { + console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' ); + v.transformDirection( this ); + }, + crossVector: function ( vector ) { + console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' ); + return vector.applyMatrix4( this ); + }, + translate: function ( v ) { + console.error( 'THREE.Matrix4: .translate() has been removed.' ); + }, + rotateX: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateX() has been removed.' ); + }, + rotateY: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateY() has been removed.' ); + }, + rotateZ: function ( angle ) { + console.error( 'THREE.Matrix4: .rotateZ() has been removed.' ); + }, + rotateByAxis: function ( axis, angle ) { + console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' ); + } + } ); - var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0]; + Object.assign( Plane.prototype, { + isIntersectionLine: function ( line ) { + console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' ); + return this.intersectsLine( line ); + } + } ); - common.each(INTERPRETATIONS, function(family) { + Object.assign( Quaternion.prototype, { + multiplyVector3: function ( vector ) { + console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' ); + return vector.applyQuaternion( this ); + } + } ); - if (family.litmus(original)) { + Object.assign( Ray.prototype, { + isIntersectionBox: function ( box ) { + console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' ); + return this.intersectsBox( box ); + }, + isIntersectionPlane: function ( plane ) { + console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' ); + return this.intersectsPlane( plane ); + }, + isIntersectionSphere: function ( sphere ) { + console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' ); + return this.intersectsSphere( sphere ); + } + } ); - common.each(family.conversions, function(conversion, conversionName) { + Object.assign( Shape.prototype, { + extrude: function ( options ) { + console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' ); + return new ExtrudeGeometry( this, options ); + }, + makeGeometry: function ( options ) { + console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' ); + return new ShapeGeometry( this, options ); + } + } ); - result = conversion.read(original); + Object.assign( Vector3.prototype, { + setEulerFromRotationMatrix: function () { + console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' ); + }, + setEulerFromQuaternion: function () { + console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' ); + }, + getPositionFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' ); + return this.setFromMatrixPosition( m ); + }, + getScaleFromMatrix: function ( m ) { + console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' ); + return this.setFromMatrixScale( m ); + }, + getColumnFromMatrix: function ( index, matrix ) { + console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' ); + return this.setFromMatrixColumn( matrix, index ); + } + } ); - if (toReturn === false && result !== false) { - toReturn = result; - result.conversionName = conversionName; - result.conversion = conversion; - return common.BREAK; + // - } + Object.assign( Object3D.prototype, { + getChildByName: function ( name ) { + console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' ); + return this.getObjectByName( name ); + }, + renderDepth: function ( value ) { + console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' ); + }, + translate: function ( distance, axis ) { + console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' ); + return this.translateOnAxis( axis, distance ); + } + } ); - }); + Object.defineProperties( Object3D.prototype, { + eulerOrder: { + get: function () { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + return this.rotation.order; + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' ); + this.rotation.order = value; + } + }, + useQuaternion: { + get: function () { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + }, + set: function ( value ) { + console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' ); + } + } + } ); - return common.BREAK; + Object.defineProperties( LOD.prototype, { + objects: { + get: function () { + console.warn( 'THREE.LOD: .objects has been renamed to .levels.' ); + return this.levels; + } + } + } ); - } + // - }); + PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) { - return toReturn; + console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " + + "Use .setFocalLength and .filmGauge for a photographic setup." ); - }; + if ( filmGauge !== undefined ) this.filmGauge = filmGauge; + this.setFocalLength( focalLength ); - var INTERPRETATIONS = [ + }; - // Strings - { + // - litmus: common.isString, + Object.defineProperties( Light.prototype, { + onlyShadow: { + set: function ( value ) { + console.warn( 'THREE.Light: .onlyShadow has been removed.' ); + } + }, + shadowCameraFov: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' ); + this.shadow.camera.fov = value; + } + }, + shadowCameraLeft: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' ); + this.shadow.camera.left = value; + } + }, + shadowCameraRight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' ); + this.shadow.camera.right = value; + } + }, + shadowCameraTop: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' ); + this.shadow.camera.top = value; + } + }, + shadowCameraBottom: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' ); + this.shadow.camera.bottom = value; + } + }, + shadowCameraNear: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' ); + this.shadow.camera.near = value; + } + }, + shadowCameraFar: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' ); + this.shadow.camera.far = value; + } + }, + shadowCameraVisible: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' ); + } + }, + shadowBias: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' ); + this.shadow.bias = value; + } + }, + shadowDarkness: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowDarkness has been removed.' ); + } + }, + shadowMapWidth: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' ); + this.shadow.mapSize.width = value; + } + }, + shadowMapHeight: { + set: function ( value ) { + console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' ); + this.shadow.mapSize.height = value; + } + } + } ); - conversions: { + // - THREE_CHAR_HEX: { + Object.defineProperties( BufferAttribute.prototype, { + length: { + get: function () { + console.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' ); + return this.array.length; + } + } + } ); - read: function(original) { + Object.assign( BufferGeometry.prototype, { + addIndex: function ( index ) { + console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' ); + this.setIndex( index ); + }, + addDrawCall: function ( start, count, indexOffset ) { + if ( indexOffset !== undefined ) { + console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' ); + } + console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' ); + this.addGroup( start, count ); + }, + clearDrawCalls: function () { + console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' ); + this.clearGroups(); + }, + computeTangents: function () { + console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' ); + }, + computeOffsets: function () { + console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' ); + } + } ); - var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i); - if (test === null) return false; + Object.defineProperties( BufferGeometry.prototype, { + drawcalls: { + get: function () { + console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' ); + return this.groups; + } + }, + offsets: { + get: function () { + console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' ); + return this.groups; + } + } + } ); - return { - space: 'HEX', - hex: parseInt( - '0x' + - test[1].toString() + test[1].toString() + - test[2].toString() + test[2].toString() + - test[3].toString() + test[3].toString()) - }; + // - }, + Object.defineProperties( Material.prototype, { + wrapAround: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + }, + set: function ( value ) { + console.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' ); + } + }, + wrapRGB: { + get: function () { + console.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' ); + return new Color(); + } + } + } ); - write: toString + Object.defineProperties( MeshPhongMaterial.prototype, { + metal: { + get: function () { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' ); + return false; + }, + set: function ( value ) { + console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' ); + } + } + } ); - }, + Object.defineProperties( ShaderMaterial.prototype, { + derivatives: { + get: function () { + console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + return this.extensions.derivatives; + }, + set: function ( value ) { + console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' ); + this.extensions.derivatives = value; + } + } + } ); - SIX_CHAR_HEX: { + // - read: function(original) { + EventDispatcher.prototype = Object.assign( Object.create( { - var test = original.match(/^#([A-F0-9]{6})$/i); - if (test === null) return false; + // Note: Extra base ensures these properties are not 'assign'ed. - return { - space: 'HEX', - hex: parseInt('0x' + test[1].toString()) - }; + constructor: EventDispatcher, - }, + apply: function ( target ) { - write: toString + console.warn( "THREE.EventDispatcher: .apply is deprecated, " + + "just inherit or Object.assign the prototype to mix-in." ); - }, + Object.assign( target, this ); - CSS_RGB: { + } - read: function(original) { + } ), EventDispatcher.prototype ); - var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); - if (test === null) return false; + // - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]) - }; + Object.defineProperties( Uniform.prototype, { + dynamic: { + set: function ( value ) { + console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' ); + } + }, + onUpdate: { + value: function () { + console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' ); + return this; + } + } + } ); - }, + // - write: toString + Object.assign( WebGLRenderer.prototype, { + supportsFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' ); + return this.extensions.get( 'OES_texture_float' ); + }, + supportsHalfFloatTextures: function () { + console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' ); + return this.extensions.get( 'OES_texture_half_float' ); + }, + supportsStandardDerivatives: function () { + console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' ); + return this.extensions.get( 'OES_standard_derivatives' ); + }, + supportsCompressedTextureS3TC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_s3tc' ); + }, + supportsCompressedTexturePVRTC: function () { + console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' ); + return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + }, + supportsBlendMinMax: function () { + console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' ); + return this.extensions.get( 'EXT_blend_minmax' ); + }, + supportsVertexTextures: function () { + return this.capabilities.vertexTextures; + }, + supportsInstancedArrays: function () { + console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' ); + return this.extensions.get( 'ANGLE_instanced_arrays' ); + }, + enableScissorTest: function ( boolean ) { + console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' ); + this.setScissorTest( boolean ); + }, + initMaterial: function () { + console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' ); + }, + addPrePlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' ); + }, + addPostPlugin: function () { + console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' ); + }, + updateShadowMap: function () { + console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' ); + } + } ); - }, + Object.defineProperties( WebGLRenderer.prototype, { + shadowMapEnabled: { + get: function () { + return this.shadowMap.enabled; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' ); + this.shadowMap.enabled = value; + } + }, + shadowMapType: { + get: function () { + return this.shadowMap.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' ); + this.shadowMap.type = value; + } + }, + shadowMapCullFace: { + get: function () { + return this.shadowMap.cullFace; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' ); + this.shadowMap.cullFace = value; + } + } + } ); - CSS_RGBA: { + Object.defineProperties( WebGLShadowMap.prototype, { + cullFace: { + get: function () { + return this.renderReverseSided ? CullFaceFront : CullFaceBack; + }, + set: function ( cullFace ) { + var value = ( cullFace !== CullFaceBack ); + console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." ); + this.renderReverseSided = value; + } + } + } ); - read: function(original) { + // - var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/); - if (test === null) return false; + Object.defineProperties( WebGLRenderTarget.prototype, { + wrapS: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + return this.texture.wrapS; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' ); + this.texture.wrapS = value; + } + }, + wrapT: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + return this.texture.wrapT; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' ); + this.texture.wrapT = value; + } + }, + magFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + return this.texture.magFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' ); + this.texture.magFilter = value; + } + }, + minFilter: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + return this.texture.minFilter; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' ); + this.texture.minFilter = value; + } + }, + anisotropy: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + return this.texture.anisotropy; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' ); + this.texture.anisotropy = value; + } + }, + offset: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + return this.texture.offset; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' ); + this.texture.offset = value; + } + }, + repeat: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + return this.texture.repeat; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' ); + this.texture.repeat = value; + } + }, + format: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + return this.texture.format; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' ); + this.texture.format = value; + } + }, + type: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + return this.texture.type; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' ); + this.texture.type = value; + } + }, + generateMipmaps: { + get: function () { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + return this.texture.generateMipmaps; + }, + set: function ( value ) { + console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' ); + this.texture.generateMipmaps = value; + } + } + } ); - return { - space: 'RGB', - r: parseFloat(test[1]), - g: parseFloat(test[2]), - b: parseFloat(test[3]), - a: parseFloat(test[4]) - }; + // - }, + Object.assign( Audio.prototype, { + load: function ( file ) { + console.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' ); + var scope = this; + var audioLoader = new AudioLoader(); + audioLoader.load( file, function ( buffer ) { + scope.setBuffer( buffer ); + } ); + return this; + } + } ); - write: toString + Object.assign( AudioAnalyser.prototype, { + getData: function ( file ) { + console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' ); + return this.getFrequencyData(); + } + } ); - } + // - } + var GeometryUtils = { - }, + merge: function ( geometry1, geometry2, materialIndexOffset ) { - // Numbers - { + console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' ); - litmus: common.isNumber, + var matrix; - conversions: { + if ( geometry2.isMesh ) { - HEX: { - read: function(original) { - return { - space: 'HEX', - hex: original, - conversionName: 'HEX' - } - }, + geometry2.matrixAutoUpdate && geometry2.updateMatrix(); - write: function(color) { - return color.hex; - } - } + matrix = geometry2.matrix; + geometry2 = geometry2.geometry; - } + } - }, + geometry1.merge( geometry2, matrix, materialIndexOffset ); - // Arrays - { + }, - litmus: common.isArray, + center: function ( geometry ) { - conversions: { + console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' ); + return geometry.center(); - RGB_ARRAY: { - read: function(original) { - if (original.length != 3) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2] - }; - }, + } - write: function(color) { - return [color.r, color.g, color.b]; - } + }; - }, + var ImageUtils = { - RGBA_ARRAY: { - read: function(original) { - if (original.length != 4) return false; - return { - space: 'RGB', - r: original[0], - g: original[1], - b: original[2], - a: original[3] - }; - }, + crossOrigin: undefined, - write: function(color) { - return [color.r, color.g, color.b, color.a]; - } + loadTexture: function ( url, mapping, onLoad, onError ) { - } + console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' ); - } + var loader = new TextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); - }, + var texture = loader.load( url, onLoad, undefined, onError ); - // Objects - { + if ( mapping ) texture.mapping = mapping; - litmus: common.isObject, + return texture; - conversions: { + }, - RGBA_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b) && - common.isNumber(original.a)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b, - a: original.a - } - } - return false; - }, + loadTextureCube: function ( urls, mapping, onLoad, onError ) { - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b, - a: color.a - } - } - }, + console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' ); - RGB_OBJ: { - read: function(original) { - if (common.isNumber(original.r) && - common.isNumber(original.g) && - common.isNumber(original.b)) { - return { - space: 'RGB', - r: original.r, - g: original.g, - b: original.b - } - } - return false; - }, + var loader = new CubeTextureLoader(); + loader.setCrossOrigin( this.crossOrigin ); - write: function(color) { - return { - r: color.r, - g: color.g, - b: color.b - } - } - }, + var texture = loader.load( urls, onLoad, undefined, onError ); - HSVA_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v) && - common.isNumber(original.a)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v, - a: original.a - } - } - return false; - }, + if ( mapping ) texture.mapping = mapping; - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v, - a: color.a - } - } - }, + return texture; - HSV_OBJ: { - read: function(original) { - if (common.isNumber(original.h) && - common.isNumber(original.s) && - common.isNumber(original.v)) { - return { - space: 'HSV', - h: original.h, - s: original.s, - v: original.v - } - } - return false; - }, + }, - write: function(color) { - return { - h: color.h, - s: color.s, - v: color.v - } - } + loadCompressedTexture: function () { - } + console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' ); - } + }, - } + loadCompressedTextureCube: function () { + console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' ); - ]; + } - return interpret; + }; + // - })(dat.color.toString, - dat.utils.common), - dat.color.math = (function () { + function Projector () { - var tmpComponent; + console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' ); - return { + this.projectVector = function ( vector, camera ) { - hsv_to_rgb: function(h, s, v) { + console.warn( 'THREE.Projector: .projectVector() is now vector.project().' ); + vector.project( camera ); - var hi = Math.floor(h / 60) % 6; + }; - var f = h / 60 - Math.floor(h / 60); - var p = v * (1.0 - s); - var q = v * (1.0 - (f * s)); - var t = v * (1.0 - ((1.0 - f) * s)); - var c = [ - [v, t, p], - [q, v, p], - [p, v, t], - [p, q, v], - [t, p, v], - [v, p, q] - ][hi]; + this.unprojectVector = function ( vector, camera ) { - return { - r: c[0] * 255, - g: c[1] * 255, - b: c[2] * 255 - }; + console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' ); + vector.unproject( camera ); - }, + }; - rgb_to_hsv: function(r, g, b) { + this.pickingRay = function ( vector, camera ) { - var min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s; + console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' ); - if (max != 0) { - s = delta / max; - } else { - return { - h: NaN, - s: 0, - v: 0 - }; - } + }; - if (r == max) { - h = (g - b) / delta; - } else if (g == max) { - h = 2 + (b - r) / delta; - } else { - h = 4 + (r - g) / delta; - } - h /= 6; - if (h < 0) { - h += 1; - } + } - return { - h: h * 360, - s: s, - v: max / 255 - }; - }, + // - rgb_to_hex: function(r, g, b) { - var hex = this.hex_with_component(0, 2, r); - hex = this.hex_with_component(hex, 1, g); - hex = this.hex_with_component(hex, 0, b); - return hex; - }, + function CanvasRenderer () { - component_from_hex: function(hex, componentIndex) { - return (hex >> (componentIndex * 8)) & 0xFF; - }, + console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' ); - hex_with_component: function(hex, componentIndex, value) { - return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent)); - } + this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ); + this.clear = function () {}; + this.render = function () {}; + this.setClearColor = function () {}; + this.setSize = function () {}; - } + } - })(), - dat.color.toString, - dat.utils.common); + exports.WebGLRenderTargetCube = WebGLRenderTargetCube; + exports.WebGLRenderTarget = WebGLRenderTarget; + exports.WebGLRenderer = WebGLRenderer; + exports.ShaderLib = ShaderLib; + exports.UniformsLib = UniformsLib; + exports.UniformsUtils = UniformsUtils; + exports.ShaderChunk = ShaderChunk; + exports.FogExp2 = FogExp2; + exports.Fog = Fog; + exports.Scene = Scene; + exports.LensFlare = LensFlare; + exports.Sprite = Sprite; + exports.LOD = LOD; + exports.SkinnedMesh = SkinnedMesh; + exports.Skeleton = Skeleton; + exports.Bone = Bone; + exports.Mesh = Mesh; + exports.LineSegments = LineSegments; + exports.Line = Line; + exports.Points = Points; + exports.Group = Group; + exports.VideoTexture = VideoTexture; + exports.DataTexture = DataTexture; + exports.CompressedTexture = CompressedTexture; + exports.CubeTexture = CubeTexture; + exports.CanvasTexture = CanvasTexture; + exports.DepthTexture = DepthTexture; + exports.TextureIdCount = TextureIdCount; + exports.Texture = Texture; + exports.MaterialIdCount = MaterialIdCount; + exports.CompressedTextureLoader = CompressedTextureLoader; + exports.BinaryTextureLoader = BinaryTextureLoader; + exports.DataTextureLoader = DataTextureLoader; + exports.CubeTextureLoader = CubeTextureLoader; + exports.TextureLoader = TextureLoader; + exports.ObjectLoader = ObjectLoader; + exports.MaterialLoader = MaterialLoader; + exports.BufferGeometryLoader = BufferGeometryLoader; + exports.DefaultLoadingManager = DefaultLoadingManager; + exports.LoadingManager = LoadingManager; + exports.JSONLoader = JSONLoader; + exports.ImageLoader = ImageLoader; + exports.FontLoader = FontLoader; + exports.XHRLoader = XHRLoader; + exports.Loader = Loader; + exports.Cache = Cache; + exports.AudioLoader = AudioLoader; + exports.SpotLightShadow = SpotLightShadow; + exports.SpotLight = SpotLight; + exports.PointLight = PointLight; + exports.HemisphereLight = HemisphereLight; + exports.DirectionalLightShadow = DirectionalLightShadow; + exports.DirectionalLight = DirectionalLight; + exports.AmbientLight = AmbientLight; + exports.LightShadow = LightShadow; + exports.Light = Light; + exports.StereoCamera = StereoCamera; + exports.PerspectiveCamera = PerspectiveCamera; + exports.OrthographicCamera = OrthographicCamera; + exports.CubeCamera = CubeCamera; + exports.Camera = Camera; + exports.AudioListener = AudioListener; + exports.PositionalAudio = PositionalAudio; + exports.getAudioContext = getAudioContext; + exports.AudioAnalyser = AudioAnalyser; + exports.Audio = Audio; + exports.VectorKeyframeTrack = VectorKeyframeTrack; + exports.StringKeyframeTrack = StringKeyframeTrack; + exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack; + exports.NumberKeyframeTrack = NumberKeyframeTrack; + exports.ColorKeyframeTrack = ColorKeyframeTrack; + exports.BooleanKeyframeTrack = BooleanKeyframeTrack; + exports.PropertyMixer = PropertyMixer; + exports.PropertyBinding = PropertyBinding; + exports.KeyframeTrack = KeyframeTrack; + exports.AnimationUtils = AnimationUtils; + exports.AnimationObjectGroup = AnimationObjectGroup; + exports.AnimationMixer = AnimationMixer; + exports.AnimationClip = AnimationClip; + exports.Uniform = Uniform; + exports.InstancedBufferGeometry = InstancedBufferGeometry; + exports.BufferGeometry = BufferGeometry; + exports.GeometryIdCount = GeometryIdCount; + exports.Geometry = Geometry; + exports.InterleavedBufferAttribute = InterleavedBufferAttribute; + exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer; + exports.InterleavedBuffer = InterleavedBuffer; + exports.InstancedBufferAttribute = InstancedBufferAttribute; + exports.DynamicBufferAttribute = DynamicBufferAttribute; + exports.Float64Attribute = Float64Attribute; + exports.Float32Attribute = Float32Attribute; + exports.Uint32Attribute = Uint32Attribute; + exports.Int32Attribute = Int32Attribute; + exports.Uint16Attribute = Uint16Attribute; + exports.Int16Attribute = Int16Attribute; + exports.Uint8ClampedAttribute = Uint8ClampedAttribute; + exports.Uint8Attribute = Uint8Attribute; + exports.Int8Attribute = Int8Attribute; + exports.BufferAttribute = BufferAttribute; + exports.Face3 = Face3; + exports.Object3DIdCount = Object3DIdCount; + exports.Object3D = Object3D; + exports.Raycaster = Raycaster; + exports.Layers = Layers; + exports.EventDispatcher = EventDispatcher; + exports.Clock = Clock; + exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant; + exports.LinearInterpolant = LinearInterpolant; + exports.DiscreteInterpolant = DiscreteInterpolant; + exports.CubicInterpolant = CubicInterpolant; + exports.Interpolant = Interpolant; + exports.Triangle = Triangle; + exports.Spline = Spline; + exports.Math = _Math; + exports.Spherical = Spherical; + exports.Plane = Plane; + exports.Frustum = Frustum; + exports.Sphere = Sphere; + exports.Ray = Ray; + exports.Matrix4 = Matrix4; + exports.Matrix3 = Matrix3; + exports.Box3 = Box3; + exports.Box2 = Box2; + exports.Line3 = Line3; + exports.Euler = Euler; + exports.Vector4 = Vector4; + exports.Vector3 = Vector3; + exports.Vector2 = Vector2; + exports.Quaternion = Quaternion; + exports.ColorKeywords = ColorKeywords; + exports.Color = Color; + exports.MorphBlendMesh = MorphBlendMesh; + exports.ImmediateRenderObject = ImmediateRenderObject; + exports.VertexNormalsHelper = VertexNormalsHelper; + exports.SpotLightHelper = SpotLightHelper; + exports.SkeletonHelper = SkeletonHelper; + exports.PointLightHelper = PointLightHelper; + exports.HemisphereLightHelper = HemisphereLightHelper; + exports.GridHelper = GridHelper; + exports.FaceNormalsHelper = FaceNormalsHelper; + exports.DirectionalLightHelper = DirectionalLightHelper; + exports.CameraHelper = CameraHelper; + exports.BoundingBoxHelper = BoundingBoxHelper; + exports.BoxHelper = BoxHelper; + exports.ArrowHelper = ArrowHelper; + exports.AxisHelper = AxisHelper; + exports.ClosedSplineCurve3 = ClosedSplineCurve3; + exports.CatmullRomCurve3 = CatmullRomCurve3; + exports.SplineCurve3 = SplineCurve3; + exports.CubicBezierCurve3 = CubicBezierCurve3; + exports.QuadraticBezierCurve3 = QuadraticBezierCurve3; + exports.LineCurve3 = LineCurve3; + exports.ArcCurve = ArcCurve; + exports.EllipseCurve = EllipseCurve; + exports.SplineCurve = SplineCurve; + exports.CubicBezierCurve = CubicBezierCurve; + exports.QuadraticBezierCurve = QuadraticBezierCurve; + exports.LineCurve = LineCurve; + exports.Shape = Shape; + exports.ShapePath = ShapePath; + exports.Path = Path; + exports.Font = Font; + exports.CurvePath = CurvePath; + exports.Curve = Curve; + exports.ShapeUtils = ShapeUtils; + exports.SceneUtils = SceneUtils; + exports.CurveUtils = CurveUtils; + exports.WireframeGeometry = WireframeGeometry; + exports.ParametricGeometry = ParametricGeometry; + exports.ParametricBufferGeometry = ParametricBufferGeometry; + exports.TetrahedronGeometry = TetrahedronGeometry; + exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry; + exports.OctahedronGeometry = OctahedronGeometry; + exports.OctahedronBufferGeometry = OctahedronBufferGeometry; + exports.IcosahedronGeometry = IcosahedronGeometry; + exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry; + exports.DodecahedronGeometry = DodecahedronGeometry; + exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry; + exports.PolyhedronGeometry = PolyhedronGeometry; + exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry; + exports.TubeGeometry = TubeGeometry; + exports.TubeBufferGeometry = TubeBufferGeometry; + exports.TorusKnotGeometry = TorusKnotGeometry; + exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry; + exports.TorusGeometry = TorusGeometry; + exports.TorusBufferGeometry = TorusBufferGeometry; + exports.TextGeometry = TextGeometry; + exports.SphereBufferGeometry = SphereBufferGeometry; + exports.SphereGeometry = SphereGeometry; + exports.RingGeometry = RingGeometry; + exports.RingBufferGeometry = RingBufferGeometry; + exports.PlaneBufferGeometry = PlaneBufferGeometry; + exports.PlaneGeometry = PlaneGeometry; + exports.LatheGeometry = LatheGeometry; + exports.LatheBufferGeometry = LatheBufferGeometry; + exports.ShapeGeometry = ShapeGeometry; + exports.ExtrudeGeometry = ExtrudeGeometry; + exports.EdgesGeometry = EdgesGeometry; + exports.ConeGeometry = ConeGeometry; + exports.ConeBufferGeometry = ConeBufferGeometry; + exports.CylinderGeometry = CylinderGeometry; + exports.CylinderBufferGeometry = CylinderBufferGeometry; + exports.CircleBufferGeometry = CircleBufferGeometry; + exports.CircleGeometry = CircleGeometry; + exports.BoxBufferGeometry = BoxBufferGeometry; + exports.BoxGeometry = BoxGeometry; + exports.ShadowMaterial = ShadowMaterial; + exports.SpriteMaterial = SpriteMaterial; + exports.RawShaderMaterial = RawShaderMaterial; + exports.ShaderMaterial = ShaderMaterial; + exports.PointsMaterial = PointsMaterial; + exports.MultiMaterial = MultiMaterial; + exports.MeshPhysicalMaterial = MeshPhysicalMaterial; + exports.MeshStandardMaterial = MeshStandardMaterial; + exports.MeshPhongMaterial = MeshPhongMaterial; + exports.MeshNormalMaterial = MeshNormalMaterial; + exports.MeshLambertMaterial = MeshLambertMaterial; + exports.MeshDepthMaterial = MeshDepthMaterial; + exports.MeshBasicMaterial = MeshBasicMaterial; + exports.LineDashedMaterial = LineDashedMaterial; + exports.LineBasicMaterial = LineBasicMaterial; + exports.Material = Material; + exports.REVISION = REVISION; + exports.MOUSE = MOUSE; + exports.CullFaceNone = CullFaceNone; + exports.CullFaceBack = CullFaceBack; + exports.CullFaceFront = CullFaceFront; + exports.CullFaceFrontBack = CullFaceFrontBack; + exports.FrontFaceDirectionCW = FrontFaceDirectionCW; + exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW; + exports.BasicShadowMap = BasicShadowMap; + exports.PCFShadowMap = PCFShadowMap; + exports.PCFSoftShadowMap = PCFSoftShadowMap; + exports.FrontSide = FrontSide; + exports.BackSide = BackSide; + exports.DoubleSide = DoubleSide; + exports.FlatShading = FlatShading; + exports.SmoothShading = SmoothShading; + exports.NoColors = NoColors; + exports.FaceColors = FaceColors; + exports.VertexColors = VertexColors; + exports.NoBlending = NoBlending; + exports.NormalBlending = NormalBlending; + exports.AdditiveBlending = AdditiveBlending; + exports.SubtractiveBlending = SubtractiveBlending; + exports.MultiplyBlending = MultiplyBlending; + exports.CustomBlending = CustomBlending; + exports.BlendingMode = BlendingMode; + exports.AddEquation = AddEquation; + exports.SubtractEquation = SubtractEquation; + exports.ReverseSubtractEquation = ReverseSubtractEquation; + exports.MinEquation = MinEquation; + exports.MaxEquation = MaxEquation; + exports.ZeroFactor = ZeroFactor; + exports.OneFactor = OneFactor; + exports.SrcColorFactor = SrcColorFactor; + exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor; + exports.SrcAlphaFactor = SrcAlphaFactor; + exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor; + exports.DstAlphaFactor = DstAlphaFactor; + exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor; + exports.DstColorFactor = DstColorFactor; + exports.OneMinusDstColorFactor = OneMinusDstColorFactor; + exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor; + exports.NeverDepth = NeverDepth; + exports.AlwaysDepth = AlwaysDepth; + exports.LessDepth = LessDepth; + exports.LessEqualDepth = LessEqualDepth; + exports.EqualDepth = EqualDepth; + exports.GreaterEqualDepth = GreaterEqualDepth; + exports.GreaterDepth = GreaterDepth; + exports.NotEqualDepth = NotEqualDepth; + exports.MultiplyOperation = MultiplyOperation; + exports.MixOperation = MixOperation; + exports.AddOperation = AddOperation; + exports.NoToneMapping = NoToneMapping; + exports.LinearToneMapping = LinearToneMapping; + exports.ReinhardToneMapping = ReinhardToneMapping; + exports.Uncharted2ToneMapping = Uncharted2ToneMapping; + exports.CineonToneMapping = CineonToneMapping; + exports.UVMapping = UVMapping; + exports.CubeReflectionMapping = CubeReflectionMapping; + exports.CubeRefractionMapping = CubeRefractionMapping; + exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping; + exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping; + exports.SphericalReflectionMapping = SphericalReflectionMapping; + exports.CubeUVReflectionMapping = CubeUVReflectionMapping; + exports.CubeUVRefractionMapping = CubeUVRefractionMapping; + exports.TextureMapping = TextureMapping; + exports.RepeatWrapping = RepeatWrapping; + exports.ClampToEdgeWrapping = ClampToEdgeWrapping; + exports.MirroredRepeatWrapping = MirroredRepeatWrapping; + exports.TextureWrapping = TextureWrapping; + exports.NearestFilter = NearestFilter; + exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter; + exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter; + exports.LinearFilter = LinearFilter; + exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter; + exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter; + exports.TextureFilter = TextureFilter; + exports.UnsignedByteType = UnsignedByteType; + exports.ByteType = ByteType; + exports.ShortType = ShortType; + exports.UnsignedShortType = UnsignedShortType; + exports.IntType = IntType; + exports.UnsignedIntType = UnsignedIntType; + exports.FloatType = FloatType; + exports.HalfFloatType = HalfFloatType; + exports.UnsignedShort4444Type = UnsignedShort4444Type; + exports.UnsignedShort5551Type = UnsignedShort5551Type; + exports.UnsignedShort565Type = UnsignedShort565Type; + exports.UnsignedInt248Type = UnsignedInt248Type; + exports.AlphaFormat = AlphaFormat; + exports.RGBFormat = RGBFormat; + exports.RGBAFormat = RGBAFormat; + exports.LuminanceFormat = LuminanceFormat; + exports.LuminanceAlphaFormat = LuminanceAlphaFormat; + exports.RGBEFormat = RGBEFormat; + exports.DepthFormat = DepthFormat; + exports.DepthStencilFormat = DepthStencilFormat; + exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format; + exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format; + exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format; + exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format; + exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format; + exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format; + exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format; + exports.RGB_ETC1_Format = RGB_ETC1_Format; + exports.LoopOnce = LoopOnce; + exports.LoopRepeat = LoopRepeat; + exports.LoopPingPong = LoopPingPong; + exports.InterpolateDiscrete = InterpolateDiscrete; + exports.InterpolateLinear = InterpolateLinear; + exports.InterpolateSmooth = InterpolateSmooth; + exports.ZeroCurvatureEnding = ZeroCurvatureEnding; + exports.ZeroSlopeEnding = ZeroSlopeEnding; + exports.WrapAroundEnding = WrapAroundEnding; + exports.TrianglesDrawMode = TrianglesDrawMode; + exports.TriangleStripDrawMode = TriangleStripDrawMode; + exports.TriangleFanDrawMode = TriangleFanDrawMode; + exports.LinearEncoding = LinearEncoding; + exports.sRGBEncoding = sRGBEncoding; + exports.GammaEncoding = GammaEncoding; + exports.RGBEEncoding = RGBEEncoding; + exports.LogLuvEncoding = LogLuvEncoding; + exports.RGBM7Encoding = RGBM7Encoding; + exports.RGBM16Encoding = RGBM16Encoding; + exports.RGBDEncoding = RGBDEncoding; + exports.BasicDepthPacking = BasicDepthPacking; + exports.RGBADepthPacking = RGBADepthPacking; + exports.CubeGeometry = BoxGeometry; + exports.Face4 = Face4; + exports.LineStrip = LineStrip; + exports.LinePieces = LinePieces; + exports.MeshFaceMaterial = MultiMaterial; + exports.PointCloud = PointCloud; + exports.Particle = Sprite; + exports.ParticleSystem = ParticleSystem; + exports.PointCloudMaterial = PointCloudMaterial; + exports.ParticleBasicMaterial = ParticleBasicMaterial; + exports.ParticleSystemMaterial = ParticleSystemMaterial; + exports.Vertex = Vertex; + exports.EdgesHelper = EdgesHelper; + exports.WireframeHelper = WireframeHelper; + exports.GeometryUtils = GeometryUtils; + exports.ImageUtils = ImageUtils; + exports.Projector = Projector; + exports.CanvasRenderer = CanvasRenderer; + + Object.defineProperty(exports, '__esModule', { value: true }); + + Object.defineProperty( exports, 'AudioContext', { + get: function () { + return exports.getAudioContext(); + } + }); + + }))); + /***/ }, -/* 9 */ +/* 7 */ /***/ function(module, exports) { module.exports = function( THREE ) { @@ -48183,34 +48077,7 @@ /***/ }, -/* 10 */ -/***/ function(module, exports) { - - "use strict"; - - Object.defineProperty(exports, "__esModule", { - value: true - }); - ///////////////////////////////////// - // Marching cubes lookup tables - ///////////////////////////////////// - - // Got these tables from https://www.clicktorelease.com/code/bumpy-metaballs/ - // These tables are straight from Paul Bourke's page: - // http://local.wasp.uwa.edu.au/~pbourke/geometry/polygonise/ - // who in turn got them from Cory Gene Bloyd. - - var EDGE_TABLE = new Int32Array([0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, 0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, 0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, 0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, 0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60, 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc, 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0, 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650, 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460, 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0, 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230, 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190, 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0]); - - var TRI_TABLE = new Int32Array([-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1, 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1, 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1, 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1, 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1, 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1, 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1, 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1, 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1, 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1, 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1, 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1, 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1, 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1, 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1, 0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1, 10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1, 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1, 5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, 9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1, 0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1, 1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1, 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1, 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1, 2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, 7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1, 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1, 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1, 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1, 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1, 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1, 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1, 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1, 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1, 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1, 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1, 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1, 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1, 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1, 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1, 1, 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descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - var _textures = __webpack_require__(1); - - var _metaball = __webpack_require__(12); - - var _metaball2 = _interopRequireDefault(_metaball); - - var _inspect_point = __webpack_require__(13); - - var _inspect_point2 = _interopRequireDefault(_inspect_point); + var _agent = __webpack_require__(9); - var _marching_cube_LUT = __webpack_require__(10); + var _agent2 = _interopRequireDefault(_agent); - var _marching_cube_LUT2 = _interopRequireDefault(_marching_cube_LUT); + var _agent3 = __webpack_require__(9); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - var THREE = __webpack_require__(2); + var THREE = __webpack_require__(6); - var VISUAL_DEBUG = true; - var episolon = 0.1; - var balls = []; - - var options = { lightColor: '#ffffff', lightIntensity: 1, ambient: '#111111', texture: null }; - - // lava - var l_mat = { - uniforms: { - texture: { type: "t", value: null }, - u_ambient: { type: 'v3', value: new THREE.Color(options.ambient) }, - u_lightCol: { type: 'v3', value: new THREE.Color(options.lightColor) }, - u_lightIntensity: { type: 'f', value: options.lightIntensity } - }, - vertexShader: __webpack_require__(14), - fragmentShader: __webpack_require__(15) - }; + function Marker(pos) { + this.pos = pos; + this.weight = 0; + this.owner = null; + } - var LAVA_MAT = new THREE.ShaderMaterial(l_mat); - var LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x111111, emissive: 0xff0000 }); - var LAMBERT_GREEN = new THREE.MeshBasicMaterial({ color: 0x00ee00, transparent: true, opacity: 0.5 }); - var WIREFRAME_MAT = new THREE.LineBasicMaterial({ color: 0xffffff, linewidth: 10 }); - - // This function samples a point from the metaball's density function - // Implement a function that returns the value of the all metaballs influence to a given point. - // Please follow the resources given in the write-up for details. - function sample(point) { - var isovalue = 0.0; - for (var i = 0; i < balls.length; i++) { - var r = balls[i].radius; - var d = point.distanceTo(balls[i].pos); - //isovalue += (r * r / (d * d)) * balls[i].neg; - isovalue += r * r / (d * d); - } - return isovalue; + function Obstacle(pos, radius) { + this.pos = pos; + this.radius = radius; } - var MarchingCubes = function () { - function MarchingCubes(App) { - _classCallCheck(this, MarchingCubes); + var BioCrowd = function () { + function BioCrowd(App) { + _classCallCheck(this, BioCrowd); this.init(App); } - _createClass(MarchingCubes, [{ + _createClass(BioCrowd, [{ key: 'init', value: function init(App) { - this.isPaused = false; - VISUAL_DEBUG = App.config.visualDebug; - - // Initializing member variables. - // Additional variables are used for fast computation. - this.origin = new THREE.Vector3(0); - - this.isolevel = App.config.isolevel; - this.minRadius = App.config.minRadius; - this.maxRadius = App.config.maxRadius; - - this.gridCellWidth = App.config.gridCellWidth; - this.gridCellHeight = App.config.gridCellHeight; - this.gridCellDepth = App.config.gridCellDepth; - this.halfCellWidth = App.config.gridCellWidth / 2.0; - this.halfCellHeight = App.config.gridCellHeight / 2.0; - this.halfCellDepth = App.config.gridCellDepth / 2.0; + this.isPaused = App.config.isPaused; + this.origin = new THREE.Vector3(0, 0, 0); + + // dimensions + this.grid = []; + this.gridRes = App.config.gridRes; + this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells + this.cellRes = App.config.cellRes; // num of mark in cell this.gridWidth = App.config.gridWidth; this.gridHeight = App.config.gridHeight; - this.gridDepth = App.config.gridDepth; - - this.res = App.config.gridRes; - this.res2 = App.config.gridRes * App.config.gridRes; - this.res3 = App.config.gridRes * App.config.gridRes * App.config.gridRes; - - this.maxSpeedX = App.config.maxSpeedX; - this.maxSpeedY = App.config.maxSpeedY; - this.maxSpeedZ = App.config.maxSpeedZ; - this.numMetaballs = App.config.numMetaballs; - + this.cellHeight = this.gridHeight / this.gridRes; + this.cellWidth = this.gridHeight / this.gridRes; + this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes) * Math.sqrt(this.cellRes); + + // agents + this.agents = []; + this.numAgents = App.config.numAgents; + this.agentRadius = App.config.agentRadius; + this.agentGeo = App.agentGeometry; + this.scenario = App.scenario; + this.maxVelocity = App.config.maxVelocity; + + // scene data this.camera = App.camera; this.scene = App.scene; - - this.voxels = []; - //this.labels = []; - this.balls = balls; - - this.showSpheres = true; - this.showGrid = true; - - _textures.silverTexture.then(function (texture) { - l_mat.uniforms.texture.value = texture; - }); - - if (App.config.material) { - this.material = new THREE.MeshPhongMaterial({ color: 0xff6a1d }); - } else { - this.material = App.config.material; - } - - this.setupCells(); - this.setupMetaballs(); - this.makeMesh(); + this.num_obs = App.obstacles; + this.obstacles = []; + + this.debug = App.config.visualDebug; + // markers + this.markerGeo = new THREE.BufferGeometry(); + this.m_positions = new Float32Array(this.maxMarkers * 3); + this.markerMat = new THREE.PointsMaterial({ size: 0.1, color: 0x7eed6f }); + this.markerPoints = new THREE.Points(this.markerGeo, this.markerMat); + this.lineMat = new THREE.LineBasicMaterial({ color: 0x770000 }); + + this.initGrid(); + this.initAgents(); + if (this.debug) this.show(); } }, { key: 'reset', + + + // new grid and agents value: function reset() { - this.scene.remove(this.mesh); - this.balls = [];balls = []; + for (var i = 0; i < this.agents.length; i++) { + this.scene.remove(this.agents[i].mesh); + this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle); + } + for (var j = 0; j < this.num_obs; j++) { + this.scene.remove(this.obstacles[j].mesh); + } + this.scene.remove(this.markerPoints); } }, { - key: 'i1toi3', - - - // Convert from 1D index to 3D indices - value: function i1toi3(i1) { + key: 'i1toi2', - // [i % w, i % (h * w)) / w, i / (h * w)] - // @note: ~~ is a fast substitute for Math.floor() - return [i1 % this.res, ~~(i1 % this.res2 / this.res), ~~(i1 / this.res2)]; + // Convert from 1D index to 2D indices + value: function i1toi2(i1) { + return [i1 % this.gridRes, ~~(i1 % this.gridRes2 / this.gridRes)]; } }, { - key: 'i3toi1', + key: 'i2toi1', - // Convert from 3D indices to 1 1D - value: function i3toi1(i3x, i3y, i3z) { - - // [x + y * w + z * w * h] - - return i3x + i3y * this.res + i3z * this.res2; + // Convert from 2D indices to 1D + value: function i2toi1(ix, iy) { + return ix + iy * this.gridRes; } }, { - key: 'i3toPos', - + key: 'i2toPos', - // Convert from 3D indices to 3D positions - value: function i3toPos(i3) { - return new THREE.Vector3(i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth, i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight, i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth); + // Convert from 2D indices to 2D positions + value: function i2toPos(i2) { + return new THREE.Vector3(i2[0] * this.cellWidth + this.origin.x, i2[1] * this.cellHeight + this.origin.y, 0); } }, { - key: 'setupCells', - value: function setupCells() { + key: 'pos2i', - // Allocate voxels based on our grid resolution - this.voxels = []; - for (var i = 0; i < this.res3; i++) { - var i3 = this.i1toi3(i); - var _i3toPos = this.i3toPos(i3), - x = _i3toPos.x, - y = _i3toPos.y, - z = _i3toPos.z; - - var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth); - this.voxels.push(voxel); - - if (VISUAL_DEBUG) { - this.scene.add(voxel.wireframe); - this.scene.add(voxel.mesh); - } - } + // Convert from position to 2D indices + value: function pos2i(vec2) { + var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth); + var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight); + return this.i2toi1(x, y); } }, { - key: 'setupMetaballs', - value: function setupMetaballs() { - - var x, y, z, vx, vy, vz, radius, pos, vel; - var matLambertWhite = LAMBERT_WHITE; - var maxRadiusTRippled = this.maxRadius * 3; - var maxRadiusDoubled = this.maxRadius * 2; - - // Randomly generate metaballs with different sizes and velocities - for (var i = 0; i < this.numMetaballs; i++) { - x = this.gridWidth / 2; - y = this.gridHeight / 2; - z = this.gridDepth / 2; - pos = new THREE.Vector3(3, 3, 3); - - vx = 0; - vy = (Math.random() * 2 - 1) * this.maxSpeedY / 10; - vz = 0; - vel = new THREE.Vector3(vx, vy, vz); - - radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius; - var neg = 1; - if (Math.random() > 0.75) neg = -1; - var ball = new _metaball2.default(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG); - balls.push(ball); - - // if (VISUAL_DEBUG) { - // this.scene.add(ball.mesh); - // } + key: 'initGrid', + value: function initGrid() { + var x = 0; + for (var k = 0; k < this.num_obs; k++) { + var x1 = Math.random() * this.gridRes * this.cellWidth; + var y1 = Math.random() * this.gridRes * this.cellHeight; + this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random() + 0.1)); + var geometry = new THREE.CylinderGeometry(this.obstacles[k].radius, this.obstacles[k].radius, 1, 16).rotateX(Math.PI / 2); + var material = new THREE.MeshBasicMaterial({ color: 0x4411bb }); + this.obstacles[k].mesh = new THREE.Mesh(geometry, material); + this.obstacles[k].mesh.position.set(x1, y1, 0); + this.scene.add(this.obstacles[k].mesh); + } + for (var i = 0; i < this.gridRes2; i++) { + var i2 = this.i1toi2(i); + var pos = this.i2toPos(i2); + var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles); + this.grid.push(cell); + for (var j = 0; j < cell.markers.length; j++) { + this.m_positions[x++] = cell.markers[j].pos.x; + this.m_positions[x++] = cell.markers[j].pos.y; + this.m_positions[x++] = 0; + } } - this.balls = balls; + this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3)); + this.markerGeo.computeBoundingSphere(); } }, { - key: 'update', - value: function update() { - - if (this.isPaused) { - return; + key: 'initAgents', + value: function initAgents() { + switch (this.scenario) { + case 'line': + var num = 0; + for (var i = 0; i < this.numAgents / 2; i++) { + var ypos = 2 * this.gridHeight * i / this.numAgents; + var posL = new THREE.Vector3(0.1, ypos, 0); + var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); + var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos, 0); + var destL = new THREE.Vector3(0.1, ypos, 0); + var hitL = false;var hitR = false; + var j = 0; + while (!hit && j < this.num_obs) { + var distL = (0, _agent3.distance)(posL, this.obstacles[j].pos); + var distR = (0, _agent3.distance)(posR, this.obstacles[j].pos); + if (distL < this.obstacles[j].radius) hitL = true; + if (distR < this.obstacles[j].radius) hitR = true; + j++; + } + if (!hitL) { + posL.add(this.origin); + destR.add(this.origin); + var index = this.pos2i(posL); + var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x); + var agent = new _agent2.default(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + num++; + } + if (!hitR && num < this.numAgents) { + posR.add(this.origin); + destL.add(this.origin); + var index = this.pos2i(posR); + var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x); + var agent = new _agent2.default(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + num++; + } + } + break; + case 'quad': + for (var i = 0; i < this.numAgents; i++) { + var quad = i % 4; + var xpos = Math.pow(-1, quad) * (Math.random() / 2 + 0.5) * this.gridWidth / 2; + var ypos = (quad < 2 ? -1 : 1) * (Math.random() / 2 + 0.5) * this.gridHeight / 2; + var pos = new THREE.Vector3(xpos, ypos, 0); + var dest = new THREE.Vector3(-0.9 * Math.sign(xpos) * this.gridWidth / 2, -0.9 * Math.sign(ypos) * this.gridHeight / 2, 0); + var hit = false; + var j = 0; + while (!hit && j < this.num_obs) { + var dist = (0, _agent3.distance)(new THREE.Vector3(pos.x + this.gridWidth / 2, pos.y + this.gridHeight / 2, 0), this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) hit = true; + j++; + } + if (!hit) { + var offset = new THREE.Vector3(this.gridWidth / 2, this.gridHeight / 2, 0); + pos.add(offset); + dest.add(offset); + var index = this.pos2i(pos); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new _agent2.default(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + } + } + break; + default: + var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); + var hit = true; + while (hit) { + hit = false; + for (var j = 0; j < this.num_obs; j++) { + var dist = (0, _agent3.distance)(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); + } + } + } + var dest = new THREE.Vector3(2, 2, 0); } + } - // This should move the metaballs - balls.forEach(function (ball) { - ball.update(); - }); - this.balls = balls; - - for (var c = 0; c < this.res3; c++) { - // every voxel + // disassociate markers and agents - // Sampling the center and vertex points - this.voxels[c].center.isovalue = sample(this.voxels[c].center.pos); - for (var i = 0; i < 8; i++) { - this.voxels[c].corners[i].isovalue = sample(this.voxels[c].corners[i].pos); + }, { + key: 'clear', + value: function clear() { + for (var i = 0; i < this.agents.length; i++) { + for (var j = 0; j < this.agents[i].markers.length; j++) { + this.agents[i].markers[j].owner = null; + this.agents[i].markers[j].weight = 0; } - - // Visualizing grid - if (VISUAL_DEBUG && this.showGrid) { - - // Toggle voxels on or off - if (this.voxels[c].center.isovalue > this.isolevel) { - this.voxels[c].show(); - } else { - this.voxels[c].hide(); + this.agents[i].markers = []; + } + } + }, { + key: 'select', + value: function select() { + var claimed = []; + // every agent + for (var k = 0; k < this.agents.length; k++) { + var agent = this.agents[k]; + // check neighboring grid cells + var i2 = this.i1toi2(agent.index); + var min0 = Math.min(Math.max(0, i2[0] - 1), this.gridRes);var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes); + var min1 = Math.min(Math.max(0, i2[1] - 1), this.gridRes);var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes); + for (var i = min0; i < max0; i++) { + for (var j = min1; j < max1; j++) { + var grid = this.grid[this.i2toi1(i, j)]; + // for every marker in the grid + for (var g = 0; g < grid.markers.length; g++) { + var mark = grid.markers[g]; + // within personal bubble + var dist = (0, _agent3.distance)(mark.pos, agent.pos); + if (dist < agent.radius) { + claimed.push(mark); + mark.owner = agent; + if (mark.owner) { + // choose closest owner + var dist_old = (0, _agent3.distance)(mark.owner.pos, mark.pos); + if (dist_old > dist) mark.owner = agent; + } + } + } } - this.voxels[c].center.updateLabel(this.camera); - } else { - this.voxels[c].center.clearLabel(); } } - - this.updateMesh(); + for (var c = 0; c < claimed.length; c++) { + claimed[c].owner.markers.push(claimed[c]); + } + } + }, { + key: 'update', + value: function update() { + if (this.isPaused) return; + // pick markers and compute velocity + this.clear(); + this.select(); + + // advect + for (var i = 0; i < this.agents.length; i++) { + this.agents[i].update(); + this.agents[i].index = this.pos2i(this.agents[i].pos); + } } }, { key: 'pause', @@ -48489,257 +48407,82 @@ }, { key: 'show', value: function show() { - for (var i = 0; i < this.res3; i++) { - this.voxels[i].show(); + this.scene.add(this.markerPoints); + for (var i = 0; i < this.agents.length; i++) { + this.scene.add(this.agents[i].lines); + this.scene.add(this.agents[i].circle); } - this.showGrid = true; } }, { key: 'hide', value: function hide() { - for (var i = 0; i < this.res3; i++) { - this.voxels[i].hide(); - } - this.showGrid = false; - } - }, { - key: 'makeMesh', - value: function makeMesh() { - // @TODO - var geo = new THREE.Geometry(); - this.mesh = new THREE.Mesh(geo, LAVA_MAT); - this.mesh.geometry.dynamic = true; - this.scene.add(this.mesh); - } - }, { - key: 'updateMesh', - value: function updateMesh() { - // @TODO - var vertices = []; - var faces = []; - var count = 0; - for (var i = 0; i < this.res3; i++) { - var vox_count = 0; - var vANDn = this.voxels[i].polygonize(this.isolevel); - for (var j = 0; j < vANDn.vertPositions.length / 3; j++) { - var normals = []; - for (var k = 0; k < 3; k++) { - vertices.push(vANDn.vertPositions[vox_count]); - normals.push(vANDn.vertNormals[vox_count]); - vox_count++; - count++; - } - faces.push(new THREE.Face3(count - 3, count - 2, count - 1, normals)); - } + this.scene.remove(this.markerPoints); + for (var i = 0; i < this.agents.length; i++) { + this.scene.remove(this.agents[i].lines); + this.scene.remove(this.agents[i].circle); } - this.mesh.geometry.vertices = vertices; - //this.mesh.geometry.normals = normals; - this.mesh.geometry.faces = faces; - this.mesh.geometry.verticesNeedUpdate = true; - this.mesh.geometry.normalsNeedUpdate = true; - this.mesh.geometry.elementsNeedUpdate = true; - this.mesh.geometry.computeFaceNormals(); - //console.log(this.mesh); } }]); - return MarchingCubes; + return BioCrowd; }(); - exports.default = MarchingCubes; - ; - // ------------------------------------------- // - var Voxel = function () { - function Voxel(position, gridCellWidth, gridCellHeight, gridCellDepth) { - _classCallCheck(this, Voxel); + exports.default = BioCrowd; + + var GridCell = function () { + function GridCell(pos, num, w, h, obs) { + _classCallCheck(this, GridCell); - this.init(position, gridCellWidth, gridCellHeight, gridCellDepth); + this.init(pos, num, w, h, obs); } - _createClass(Voxel, [{ + _createClass(GridCell, [{ key: 'init', - value: function init(position, gridCellWidth, gridCellHeight, gridCellDepth) { - this.pos = position; - this.gridCellWidth = gridCellWidth; - this.gridCellHeight = gridCellHeight; - this.gridCellDepth = gridCellDepth; - this.corners = []; - - if (VISUAL_DEBUG) { - this.makeMesh(); - } - - this.makeInspectPoints(); - } - }, { - key: 'makeMesh', - value: function makeMesh() { - var halfGridCellWidth = this.gridCellWidth / 2.0; - var halfGridCellHeight = this.gridCellHeight / 2.0; - var halfGridCellDepth = this.gridCellDepth / 2.0; - - var positions = new Float32Array([ - // Front face - halfGridCellWidth, halfGridCellHeight, halfGridCellDepth, halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth, -halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth, -halfGridCellWidth, halfGridCellHeight, halfGridCellDepth, - - // Back face - -halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth, -halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth, halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth, halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth]); - - var indices = new Uint16Array([0, 1, 2, 3, 4, 5, 6, 7, 0, 7, 7, 4, 4, 3, 3, 0, 1, 6, 6, 5, 5, 2, 2, 1]); - - // Buffer geometry - var geo = new THREE.BufferGeometry(); - geo.setIndex(new THREE.BufferAttribute(indices, 1)); - geo.addAttribute('position', new THREE.BufferAttribute(positions, 3)); - - // Wireframe line segments - this.wireframe = new THREE.LineSegments(geo, WIREFRAME_MAT); - this.wireframe.position.set(this.pos.x, this.pos.y, this.pos.z); - - // Green cube - geo = new THREE.BoxBufferGeometry(this.gridCellWidth, this.gridCellWidth, this.gridCellWidth); - this.mesh = new THREE.Mesh(geo, LAMBERT_GREEN); - this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); - } - }, { - key: 'makeInspectPoints', - value: function makeInspectPoints() { - var w = this.gridCellWidth / 2.0; - var h = this.gridCellHeight / 2.0; - var d = this.gridCellDepth / 2.0; - var x = this.pos.x; - var y = this.pos.y; - var z = this.pos.z; - var red = 0xff0000; - - // Center dot - this.center = new _inspect_point2.default(new THREE.Vector3(x, y, z), 0, VISUAL_DEBUG); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y - h, z - d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y - h, z - d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y - h, z + d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y - h, z + d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y + h, z - d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y + h, z - d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x + w, y + h, z + d), 0, VISUAL_DEBUG)); - this.corners.push(new _inspect_point2.default(new THREE.Vector3(x - w, y + h, z + d), 0, VISUAL_DEBUG)); - } - }, { - key: 'show', - value: function show() { - if (this.mesh) { - this.mesh.visible = true; - } - if (this.wireframe) { - this.wireframe.visible = true; - } - } - }, { - key: 'hide', - value: function hide() { - if (this.mesh) { - this.mesh.visible = false; - } - - if (this.wireframe) { - this.wireframe.visible = false; - } - - if (this.center) { - this.center.clearLabel(); - } - } - }, { - key: 'vertexLerp', - value: function vertexLerp(isolevel, posA, posB) { - var t = (isolevel - posA.isovalue) / (posB.isovalue - posA.isovalue); - var lerpPos = new THREE.Vector3(); - return lerpPos.lerpVectors(posA.pos, posB.pos, t); + value: function init(pos, num, w, h, obs) { + this.pos = pos; + this.width = w; + this.height = h; + this.markers = []; + this.obs = obs; + this.scatter(num); } - // returns an array of points on the cube edges - // null if no point exists for an edge + // stratified sampling }, { - key: 'edgePoints', - value: function edgePoints(edges, x) { - var points = [null, null, null, null, null, null, null, null, null, null, null, null]; - if (edges & 1) points[0] = this.vertexLerp(x, this.corners[0], this.corners[1]); - if (edges & 2) points[1] = this.vertexLerp(x, this.corners[1], this.corners[2]); - if (edges & 4) points[2] = this.vertexLerp(x, this.corners[2], this.corners[3]); - if (edges & 8) points[3] = this.vertexLerp(x, this.corners[3], this.corners[0]); - if (edges & 16) points[4] = this.vertexLerp(x, this.corners[4], this.corners[5]); - if (edges & 32) points[5] = this.vertexLerp(x, this.corners[5], this.corners[6]); - if (edges & 64) points[6] = this.vertexLerp(x, this.corners[6], this.corners[7]); - if (edges & 128) points[7] = this.vertexLerp(x, this.corners[7], this.corners[4]); - if (edges & 256) points[8] = this.vertexLerp(x, this.corners[4], this.corners[0]); - if (edges & 512) points[9] = this.vertexLerp(x, this.corners[5], this.corners[1]); - if (edges & 1024) points[10] = this.vertexLerp(x, this.corners[6], this.corners[2]); - if (edges & 2048) points[11] = this.vertexLerp(x, this.corners[7], this.corners[3]); - return points; - } - }, { - key: 'getNormal', - value: function getNormal(point) { - var x0 = new THREE.Vector3(point.x - episolon, point.y, point.z); - var x1 = new THREE.Vector3(point.x + episolon, point.y, point.z); - var x = sample(x1) - sample(x0); - var y0 = new THREE.Vector3(point.x, point.y - episolon, point.z); - var y1 = new THREE.Vector3(point.x, point.y + episolon, point.z); - var y = sample(y1) - sample(y0); - var z0 = new THREE.Vector3(point.x, point.y, point.z - episolon); - var z1 = new THREE.Vector3(point.x, point.y, point.z + episolon); - var z = sample(z1) - sample(z0); - var n = new THREE.Vector3(x, y, z); - return n.normalize(); - } - }, { - key: 'polygonize', - value: function polygonize(isolevel) { - - var vertexList = []; - var normalList = []; - var faceList = []; - - // get corner vertices that are inside metaballs - var corner = 1; - var allVert = 0; - for (var i = 0; i < 8; i++) { - if (this.corners[i].isovalue > isolevel) { - allVert |= corner; + key: 'scatter', + value: function scatter(num) { + var sqrtVal = Math.floor(Math.sqrt(num)); + var invSqrtVal = 1.0 / sqrtVal; + var samples = sqrtVal * sqrtVal; + for (var i = 0; i < samples; i++) { + var y = i / sqrtVal; + var x = i % sqrtVal; + var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width, (y + Math.random()) * invSqrtVal * this.height, 0); + loc.add(this.pos); + var obs_hit = false; + for (var j = 0; j < this.obs.length; j++) { + var x1 = this.obs[j].pos.x - loc.x;var y1 = this.obs[j].pos.y - loc.y; + var dist = Math.sqrt(x1 * x1 + y1 * y1); + if (dist < this.obs[j].radius) { + obs_hit = true; + } } - corner = corner << 1; - } - - if (allVert != 0) { - // get intersected edges - var edges = _marching_cube_LUT2.default.EDGE_TABLE[allVert]; - - // get 12 points - var points = this.edgePoints(edges, isolevel); - - for (var j = 0; j < 16; j++) { - var tri = _marching_cube_LUT2.default.TRI_TABLE[allVert * 16 + j]; - if (tri < 0) break; - var vertex = points[tri]; - vertexList.push(vertex); - normalList.push(this.getNormal(vertex)); + if (!obs_hit) { + var mark = new Marker(loc); + this.markers.push(mark); } } - - return { - vertPositions: vertexList, - vertNormals: normalList - }; } }]); - return Voxel; + return GridCell; }(); /***/ }, -/* 12 */ +/* 9 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; @@ -48750,541 +48493,103 @@ var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + exports.distance = distance; + function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - var THREE = __webpack_require__(2); + var THREE = __webpack_require__(6); + + var a_mat = new THREE.MeshBasicMaterial({ color: 0xdddddd }); + var left_mat = new THREE.MeshBasicMaterial({ color: 0xffff00 }); + var right_mat = new THREE.MeshBasicMaterial({ color: 0x0000ff }); + var top_mat = new THREE.MeshBasicMaterial({ color: 0x00ffff }); + var bot_mat = new THREE.MeshBasicMaterial({ color: 0xff00ff }); - var SPHERE_GEO = new THREE.SphereBufferGeometry(1, 32, 32); - var LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x9EB3D8, transparent: true, opacity: 0.5 }); + function distance(x, y) { + var x1 = x.x - y.x;var y1 = x.y - y.y; + return Math.sqrt(x1 * x1 + y1 * y1); + } - var Metaball = function () { - function Metaball(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug) { - _classCallCheck(this, Metaball); + var Agent = function () { + function Agent(pos, i, ori, goal, radius, geo, left, l_mat, max) { + _classCallCheck(this, Agent); - this.init(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug); + this.init(pos, i, ori, goal, radius, geo, left, l_mat, max); } - _createClass(Metaball, [{ + _createClass(Agent, [{ key: 'init', - value: function init(pos, radius, vel, neg, gridWidth, gridHeight, gridDepth, visualDebug) { - this.gridWidth = gridWidth; - this.gridHeight = gridHeight; - this.gridDepth = gridDepth; + value: function init(pos, i, ori, goal, radius, geo, left, l_mat, max) { this.pos = pos; - this.vel = vel; - this.neg = neg; + this.index = i; + this.vel = new THREE.Vector3(0, 0, 0); + this.ori = ori; + this.goal = goal; this.radius = radius; - this.radius2 = radius * radius; - this.mesh = null; - this.debug = visualDebug; - // if (visualDebug) { - // this.makeMesh(); - // } - } - }, { - key: 'makeMesh', - value: function makeMesh() { - this.mesh = new THREE.Mesh(SPHERE_GEO, LAMBERT_WHITE); - this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); - this.mesh.scale.set(this.radius, this.radius, this.radius); - } - }, { - key: 'show', - value: function show() { - if (this.mesh) { - this.mesh.visible = true; - } - } - }, { - key: 'hide', - value: function hide() { - if (this.mesh) { - this.mesh.visible = false; - } - } - }, { - key: 'update', - value: function update() { - - // var cir = new THREE.Vector3(this.pos.x, 0, this.pos.z); - // var disp = new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2).sub(cir); - // var dist = cir.distanceTo(new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2)); - // if ((dist + 2*this.radius) > this.gridWidth - // || (dist + 2*this.radius) > this.gridDepth) { - // this.vel.add(disp); - // } - var y = this.pos.y + this.radius > this.gridHeight || this.pos.y + 2 * this.radius < 0; - if (y) this.vel.y *= -1; - - var date = new Date(); - var velocity = new THREE.Vector3(); - velocity.copy(this.vel).multiplyScalar(3); - this.pos.add(velocity); - - // if (x || y || z) { - // this.vel.multiplyScalar(-1); - // } - if (this.debug) this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z); - } - }]); - - return Metaball; - }(); + this.markers = []; - exports.default = Metaball; - -/***/ }, -/* 13 */ -/***/ function(module, exports, __webpack_require__) { - - 'use strict'; + this.lineGeo = new THREE.BufferGeometry(); + this.l_positions = new Float32Array(max * 3); + this.lines = new THREE.LineSegments(this.lineGeo, l_mat); + this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3)); - Object.defineProperty(exports, "__esModule", { - value: true - }); + this.lines.geometry.attributes.position.dynamic = true; + this.lines.geometry.dynamic = true; - var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - - function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - - var THREE = __webpack_require__(2); - - var POINT_MATERIAL = new THREE.PointsMaterial({ color: 0xee1111, size: 10, sizeAttenuation: true }); - - var InspectPoint = function () { - function InspectPoint(pos, isovalue, visualDebug) { - _classCallCheck(this, InspectPoint); - - this.init(pos, isovalue, visualDebug); - } + var geometry = new THREE.CircleGeometry(this.radius, 16); + if (left & 2) { + var material = left & 1 ? left_mat : right_mat; + } else { + var material = left & 1 ? top_mat : bot_mat; + } - _createClass(InspectPoint, [{ - key: 'init', - value: function init(pos, isovalue, visualDebug) { - this.pos = pos; - this.isovalue = isovalue; - this.label = null; + this.circle = new THREE.Mesh(geometry, a_mat); + this.circle.position.set(pos.x, pos.y, 0); + this.circle.geometry.verticesNeedUpdate = true; - if (visualDebug) { - this.makeLabel(); - } - } - }, { - key: 'makeLabel', - - - // Create an HTML div for holding label - value: function makeLabel() { - this.label = document.createElement('div'); - this.label.style.position = 'absolute'; - this.label.style.width = 100; - this.label.style.height = 100; - this.label.style.userSelect = 'none'; - this.label.style.cursor = 'default'; - this.label.style.fontSize = '0.3em'; - this.label.style.pointerEvents = 'none'; - document.body.appendChild(this.label); - } - }, { - key: 'updateLabel', - value: function updateLabel(camera) { - if (this.label) { - var screenPos = this.pos.clone().project(camera); - screenPos.x = (screenPos.x + 1) / 2 * window.innerWidth;; - screenPos.y = -(screenPos.y - 1) / 2 * window.innerHeight;; - - this.label.style.top = screenPos.y + 'px'; - this.label.style.left = screenPos.x + 'px'; - this.label.innerHTML = this.isovalue.toFixed(2); - this.label.style.opacity = this.isovalue - 0.5; - } + this.mesh = new THREE.Mesh(geo, material); + this.mesh.position.set(pos.x, pos.y, 0); + this.mesh.geometry.verticesNeedUpdate = true; } }, { - key: 'clearLabel', - value: function clearLabel() { - if (this.label) { - this.label.innerHTML = ''; - this.label.style.opacity = 0; + key: 'update', + value: function update() { + // update velocity + this.l_positions.fill(0); + var weight = 0;var ind = 0; + this.vel.x = 0;this.vel.y = 0;this.vel.z = 0; + if (distance(this.pos, this.goal) > 0.01) { + for (var i = 0; i < this.markers.length; i++) { + var mark = this.markers[i]; + var dist = distance(mark.pos, this.pos); + + var G = this.goal.clone().sub(this.pos).normalize(); + var m = mark.pos.clone().sub(this.pos); + var theta = G.dot(m.clone().normalize()); + mark.weight = (1 + theta) / (1 + dist); + weight += mark.weight; + this.vel.add(m.multiplyScalar(mark.weight)); + + this.l_positions[ind++] = mark.pos.x;this.l_positions[ind++] = mark.pos.y;this.l_positions[ind++] = 0; + this.l_positions[ind++] = this.pos.x;this.l_positions[ind++] = this.pos.y;this.l_positions[ind++] = 0; + } + if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight); + this.vel.clampLength(-this.radius, this.radius); } + + // update position + this.pos.add(this.vel); + this.mesh.position.set(this.pos.x, this.pos.y, 0); + this.circle.position.set(this.pos.x, this.pos.y, 0); + this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length); + this.lines.geometry.attributes.position.needsUpdate = true; } }]); - return InspectPoint; + return Agent; }(); - exports.default = InspectPoint; - -/***/ }, -/* 14 */ -/***/ function(module, exports) { - - module.exports = "\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normalMatrix * normal;\r\n e_position = normalize(vec3((modelViewMatrix * vec4(position, 1.0)).rgb));\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}" - -/***/ }, -/* 15 */ -/***/ function(module, exports) { - - module.exports = "\r\nuniform sampler2D texture;\r\nuniform vec3 u_ambient;\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\nvoid main() {\r\n\tvec3 ref = reflect(e_position, f_normal);\r\n\tfloat m = 2.0 * sqrt(pow(ref.x, 2.0) + pow(ref.y, 2.0) + pow(ref.z + 1.0, 2.0));\r\n float x = f_normal.x/m + 0.5;\r\n float y = f_normal.y/m + 0.5;\r\n\r\n vec4 color = texture2D(texture, vec2(x,y));\r\n\r\n gl_FragColor = vec4(color.rgb * u_lightCol * u_lightIntensity + u_ambient, 1.0);\r\n}" - -/***/ }, -/* 16 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__.p + "index.html"; - -/***/ }, -/* 17 */ -/***/ function(module, exports) { - - 'use strict'; - - module.exports = function (THREE) { - - /** - * @author mrdoob / http://mrdoob.com/ - */ - THREE.OBJLoader = function (manager) { - - this.manager = manager !== undefined ? manager : THREE.DefaultLoadingManager; - }; - - THREE.OBJLoader.prototype = { - - constructor: THREE.OBJLoader, - - load: function load(url, onLoad, onProgress, onError) { - - var scope = this; - - var loader = new THREE.XHRLoader(scope.manager); - loader.load(url, function (text) { - - onLoad(scope.parse(text)); - }, onProgress, onError); - }, - - parse: function parse(text) { - - console.time('OBJLoader'); - - var object, - objects = []; - var geometry, material; - - function parseVertexIndex(value) { - - var index = parseInt(value); - - return (index >= 0 ? index - 1 : index + vertices.length / 3) * 3; - } - - function parseNormalIndex(value) { - - var index = parseInt(value); - - return (index >= 0 ? index - 1 : index + normals.length / 3) * 3; - } - - function parseUVIndex(value) { - - var index = parseInt(value); - - return (index >= 0 ? index - 1 : index + uvs.length / 2) * 2; - } - - function addVertex(a, b, c) { - - geometry.vertices.push(vertices[a], vertices[a + 1], vertices[a + 2], vertices[b], vertices[b + 1], vertices[b + 2], vertices[c], vertices[c + 1], vertices[c + 2]); - } - - function addNormal(a, b, c) { - - geometry.normals.push(normals[a], normals[a + 1], normals[a + 2], normals[b], normals[b + 1], normals[b + 2], normals[c], normals[c + 1], normals[c + 2]); - } - - function addUV(a, b, c) { - - geometry.uvs.push(uvs[a], uvs[a + 1], uvs[b], uvs[b + 1], uvs[c], uvs[c + 1]); - } - - function addFace(a, b, c, d, ua, ub, uc, ud, na, nb, nc, nd) { - - var ia = parseVertexIndex(a); - var ib = parseVertexIndex(b); - var ic = parseVertexIndex(c); - var id; - - if (d === undefined) { - - addVertex(ia, ib, ic); - } else { - - id = parseVertexIndex(d); - - addVertex(ia, ib, id); - addVertex(ib, ic, id); - } - - if (ua !== undefined) { - - ia = parseUVIndex(ua); - ib = parseUVIndex(ub); - ic = parseUVIndex(uc); - - if (d === undefined) { - - addUV(ia, ib, ic); - } else { - - id = parseUVIndex(ud); - - addUV(ia, ib, id); - addUV(ib, ic, id); - } - } - - if (na !== undefined) { - - ia = parseNormalIndex(na); - ib = parseNormalIndex(nb); - ic = parseNormalIndex(nc); - - if (d === undefined) { - - addNormal(ia, ib, ic); - } else { - - id = parseNormalIndex(nd); - - addNormal(ia, ib, id); - addNormal(ib, ic, id); - } - } - } - - // create mesh if no objects in text - - if (/^o /gm.test(text) === false) { - - geometry = { - vertices: [], - normals: [], - uvs: [] - }; - - material = { - name: '' - }; - - object = { - name: '', - geometry: geometry, - material: material - }; - - objects.push(object); - } - - var vertices = []; - var normals = []; - var uvs = []; - - // v float float float - - var vertex_pattern = /v( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; - - // vn float float float - - var normal_pattern = /vn( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; - - // vt float float - - var uv_pattern = /vt( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/; - - // f vertex vertex vertex ... - - var face_pattern1 = /f( +-?\d+)( +-?\d+)( +-?\d+)( +-?\d+)?/; - - // f vertex/uv vertex/uv vertex/uv ... - - var face_pattern2 = /f( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+))?/; - - // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ... - - var face_pattern3 = /f( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))?/; - - // f vertex//normal vertex//normal vertex//normal ... - - var face_pattern4 = /f( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))?/; - - // - - var lines = text.split('\n'); - - for (var i = 0; i < lines.length; i++) { - - var line = lines[i]; - line = line.trim(); - - var result; - - if (line.length === 0 || line.charAt(0) === '#') { - - continue; - } else if ((result = vertex_pattern.exec(line)) !== null) { - - // ["v 1.0 2.0 3.0", "1.0", "2.0", "3.0"] - - vertices.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3])); - } else if ((result = normal_pattern.exec(line)) !== null) { - - // ["vn 1.0 2.0 3.0", "1.0", "2.0", "3.0"] - - normals.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3])); - } else if ((result = uv_pattern.exec(line)) !== null) { - - // ["vt 0.1 0.2", "0.1", "0.2"] - - uvs.push(parseFloat(result[1]), parseFloat(result[2])); - } else if ((result = face_pattern1.exec(line)) !== null) { - - // ["f 1 2 3", "1", "2", "3", undefined] - - addFace(result[1], result[2], result[3], result[4]); - } else if ((result = face_pattern2.exec(line)) !== null) { - - // ["f 1/1 2/2 3/3", " 1/1", "1", "1", " 2/2", "2", "2", " 3/3", "3", "3", undefined, undefined, undefined] - - addFace(result[2], result[5], result[8], result[11], result[3], result[6], result[9], result[12]); - } else if ((result = face_pattern3.exec(line)) !== null) { - - // ["f 1/1/1 2/2/2 3/3/3", " 1/1/1", "1", "1", "1", " 2/2/2", "2", "2", "2", " 3/3/3", "3", "3", "3", undefined, undefined, undefined, undefined] - - addFace(result[2], result[6], result[10], result[14], result[3], result[7], result[11], result[15], result[4], result[8], result[12], result[16]); - } else if ((result = face_pattern4.exec(line)) !== null) { - - // ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined] - - addFace(result[2], result[5], result[8], result[11], undefined, undefined, undefined, undefined, result[3], result[6], result[9], result[12]); - } else if (/^o /.test(line)) { - - geometry = { - vertices: [], - normals: [], - uvs: [] - }; - - material = { - name: '' - }; - - object = { - name: line.substring(2).trim(), - geometry: geometry, - material: material - }; - - objects.push(object); - } else if (/^g /.test(line)) { - - // group - - } else if (/^usemtl /.test(line)) { - - // material - - material.name = line.substring(7).trim(); - } else if (/^mtllib /.test(line)) { - - // mtl file - - } else if (/^s /.test(line)) { - - // smooth shading - - } else { - - // console.log( "THREE.OBJLoader: Unhandled line " + line ); - - } - } - - var container = new THREE.Object3D(); - var l; - - for (i = 0, l = objects.length; i < l; i++) { - - object = objects[i]; - geometry = object.geometry; - - var buffergeometry = new THREE.BufferGeometry(); - - buffergeometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(geometry.vertices), 3)); - - if (geometry.normals.length > 0) { - - buffergeometry.addAttribute('normal', new THREE.BufferAttribute(new Float32Array(geometry.normals), 3)); - } - - if (geometry.uvs.length > 0) { - - buffergeometry.addAttribute('uv', new THREE.BufferAttribute(new Float32Array(geometry.uvs), 2)); - } - - material = new THREE.MeshLambertMaterial({ - color: 0xff0000 - }); - material.name = object.material.name; - - var mesh = new THREE.Mesh(buffergeometry, material); - mesh.name = object.name; - - container.add(mesh); - } - - console.timeEnd('OBJLoader'); - - return container; - } - - }; - }; - -/***/ }, -/* 18 */ -/***/ function(module, exports) { - - module.exports = "varying vec3 f_normal;\r\nvarying vec3 f_position;\r\nvarying vec3 e_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normal;\r\n f_position = position;\r\n e_position = cameraPosition;\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}\r\n" - -/***/ }, -/* 19 */ -/***/ function(module, exports) { - - module.exports = "#define M_PI 3.1415926535897932384626433832795\r\n\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_position;\r\nvarying vec3 f_normal;\r\nvarying vec3 e_position;\r\n\r\nfloat cosine(float a, float b, float c, float d, float t) {\r\n\treturn a + b * cos(2.0 * M_PI * (c * t + d));\r\n}\r\n\r\nvoid main() {\r\n\tfloat d = clamp(dot(f_normal, normalize(e_position - f_position)), 0.0, 1.0);\r\n\tvec3 rgb = mix(vec3(0.4, 0.3, 0.16), vec3(1.0, 0.3, 0.3), d);\r\n\r\n gl_FragColor = vec4(d,d,d, 1.0);\r\n}\r\n" - -/***/ }, -/* 20 */ -/***/ function(module, exports) { - - module.exports = "varying vec3 f_normal;\r\nvarying vec3 f_position;\r\n\r\n// uv, position, projectionMatrix, modelViewMatrix, normal\r\nvoid main() {\r\n f_normal = normal;\r\n f_position = position;\r\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\r\n}\r\n" - -/***/ }, -/* 21 */ -/***/ function(module, exports) { - - module.exports = "uniform vec3 u_lightPos;\r\nuniform vec3 u_lightCol;\r\nuniform float u_lightIntensity;\r\n\r\nvarying vec3 f_position;\r\nvarying vec3 f_normal;\r\n\r\nvoid main() {\r\n vec4 color = vec4(1.0, 1.0, 1.0, 1.0);\r\n float d = clamp(dot(f_normal, normalize(u_lightPos - f_position)), 0.0, 1.0);\r\n gl_FragColor = vec4(d * color.rgb * u_lightCol * u_lightIntensity, 1.0);\r\n}\r\n" - -/***/ }, -/* 22 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__.p + "./assets/glass-5b14a7.obj"; - -/***/ }, -/* 23 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__.p + "./assets/lamp-1bcc16.obj"; + exports.default = Agent; /***/ } /******/ ]); diff --git a/build/bundle.js.map b/build/bundle.js.map index a5f883fd..1af008d8 100644 --- a/build/bundle.js.map +++ b/build/bundle.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0521d17e9dc7179e2918","require('file-loader?name=[name].[ext]!../index.html');\r\nimport {silverTexture} from './textures'\r\n//import {quote} from './quote'\r\n// Credit:\r\n// http://jamie-wong.com/2014/08/19/metaballs-and-marching-squares/\r\n// http://paulbourke.net/geometry/polygonise/\r\n\r\nconst THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\nconst OBJLoader = require('three-obj-loader');\r\nOBJLoader(THREE)\r\n\r\nimport Framework from './framework'\r\nimport LUT from './marching_cube_LUT.js'\r\nimport MarchingCubes from './marching_cubes.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_ISO_LEVEL = 1.0;\r\nconst DEFAULT_GRID_RES = 30;\r\nconst DEFAULT_GRID_WIDTH = 6;\r\nconst DEFAULT_GRID_HEIGHT = 17;\r\nconst DEFAULT_GRID_DEPTH = 6;\r\nconst DEFAULT_NUM_METABALLS = 7;\r\nconst DEFAULT_MIN_RADIUS = 0.5;\r\nconst DEFAULT_MAX_RADIUS = 1;\r\nconst DEFAULT_MAX_SPEEDX = 0.005;\r\nconst DEFAULT_MAX_SPEEDY = 0.3;\r\n\r\nvar options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111', albedo: '#110000'};\r\nvar loaded = false;\r\nvar red = new THREE.Color(1.0,0.0,0.0);\r\nvar green = new THREE.Color(0.0,1.0,0.0);\r\nvar glassGeo;\r\nvar lampGeo;\r\n\r\n// glass, emissive, iridescent\r\nvar g_mat = {\r\n uniforms: {\r\n u_albedo: {type: 'v3', value: new THREE.Color(options.albedo)},\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/glass-vert.glsl'),\r\n fragmentShader: require('./shaders/glass-frag.glsl')\r\n};\r\n\r\n// metal\r\nvar m_mat = {\r\n uniforms: {\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/metal-vert.glsl'),\r\n fragmentShader: require('./shaders/metal-frag.glsl')\r\n};\r\n\r\n//const GLASS_MAT = new THREE.ShaderMaterial(g_mat);\r\nvar GLASS_MAT = new THREE.MeshLambertMaterial({ color: 0xffffff, emissive: 0xff0000, transparent: true, opacity: 0.3});\r\nvar METAL_MAT = new THREE.MeshPhongMaterial({ color: 0xffffff, emissive: 0x111111});\r\n\r\nvar App = {\r\n //\r\n marchingCubes: undefined,\r\n config: {\r\n // Global control of all visual debugging.\r\n // This can be set to false to disallow any memory allocation of visual debugging components.\r\n // **Note**: If your application experiences performance drop, disable this flag.\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n\r\n // The isolevel for marching cubes\r\n isolevel: DEFAULT_ISO_LEVEL,\r\n\r\n // Grid resolution in each dimension. If gridRes = 4, then we have a 4x4x4 grid\r\n gridRes: DEFAULT_GRID_RES,\r\n\r\n // Total width of grid\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n gridDepth: DEFAULT_GRID_DEPTH,\r\n\r\n // Width of each voxel\r\n // Ideally, we want the voxel to be small (higher resolution)\r\n gridCellWidth: DEFAULT_GRID_WIDTH / DEFAULT_GRID_RES,\r\n gridCellHeight: DEFAULT_GRID_HEIGHT / DEFAULT_GRID_RES,\r\n gridCellDepth: DEFAULT_GRID_DEPTH / DEFAULT_GRID_RES,\r\n\r\n // Number of metaballs\r\n numMetaballs: DEFAULT_NUM_METABALLS,\r\n\r\n // Minimum radius of a metaball\r\n minRadius: DEFAULT_MIN_RADIUS,\r\n\r\n // Maxium radius of a metaball\r\n maxRadius: DEFAULT_MAX_RADIUS,\r\n\r\n // Maximum speed of a metaball\r\n maxSpeedX: DEFAULT_MAX_SPEEDX,\r\n maxSpeedY: DEFAULT_MAX_SPEEDY,\r\n maxSpeedZ: DEFAULT_MAX_SPEEDX, \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n\r\n // Play/pause control for the simulation\r\n isPaused: false,\r\n color: 0xffffff\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n //scene.add(new THREE.AxisHelper(20));\r\n\r\n var objLoader = new THREE.OBJLoader();\r\n var obj = objLoader.load(require('./assets/glass.obj'), function(obj) {\r\n glassGeo = obj.children[0].geometry;\r\n var glass = new THREE.Mesh(glassGeo, GLASS_MAT);\r\n glass.translateX(-1.5);\r\n glass.translateZ(-1.5);\r\n App.scene.add(glass);\r\n loaded = true;\r\n });\r\n\r\n var obj = objLoader.load(require('./assets/lamp.obj'), function(obj) {\r\n lampGeo = obj.children[0].geometry;\r\n var lamp = new THREE.Mesh(lampGeo, METAL_MAT);\r\n lamp.translateX(-1.5);\r\n lamp.translateZ(-1.5);\r\n App.scene.add(lamp);\r\n });\r\n\r\n setupCamera(App.camera);\r\n setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\nfunction cosine(a,b,c,d,t) {\r\n return a + b * Math.cos(2.0 * Math.PI * (c * t + d));\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (loaded) {\r\n var date = new Date();\r\n var sec = date.getSeconds();\r\n var r = cosine(0.5, 0.5, 1.0, 0.0, sec/60.0);\r\n var g = cosine(0.5, 0.5, 1.0, 0.33, sec/60.0);\r\n var b = cosine(0.5, 0.5, 1.0, 0.67, sec/60.0); \r\n GLASS_MAT.emissive.set(new THREE.Color(r,g,b));\r\n }\r\n if (App.marchingCubes) {\r\n App.marchingCubes.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(25, 10, 25);\r\n camera.lookAt(new THREE.Vector3(1,0,1));\r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n App.marchingCubes = new MarchingCubes(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage\r\n\r\n gui.add(App.config, 'numMetaballs', 1, 10).step(1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'minRadius', 0, 1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'maxRadius', 1, 2).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'maxSpeedY', 0, 1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'isolevel', 0, 2).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n gui.add(App.config, 'gridRes', 1, 40).step(1).onChange(function(value) {\r\n App.marchingCubes.reset();\r\n App.marchingCubes = new MarchingCubes(App);\r\n });\r\n\r\n\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\n// this file is just for convenience. it sets up loading the mario obj and texture\r\n\r\nconst THREE = require('three');\r\n\r\nexport var silverTexture = new Promise((resolve, reject) => {\r\n (new THREE.TextureLoader()).load(require('./assets/silver.bmp'), function(texture) {\r\n resolve(texture);\r\n })\r\n})\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/textures.js","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 2\n// module chunks = 0","module.exports = __webpack_public_path__ + \"./assets/silver-3da470.bmp\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/assets/silver.bmp\n// module id = 3\n// module chunks = 0","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 5\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 6\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 7\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 8\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 9\n// module chunks = 0","/////////////////////////////////////\r\n// Marching cubes lookup tables\r\n/////////////////////////////////////\r\n\r\n// Got these tables from https://www.clicktorelease.com/code/bumpy-metaballs/\r\n// These tables are straight from Paul Bourke's page:\r\n// http://local.wasp.uwa.edu.au/~pbourke/geometry/polygonise/\r\n// who in turn got them from Cory Gene Bloyd.\r\n\r\nvar EDGE_TABLE = new Int32Array([\r\n 0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c,\r\n 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,\r\n 0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c,\r\n 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,\r\n 0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c,\r\n 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,\r\n 0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac,\r\n 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,\r\n 0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c,\r\n 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,\r\n 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc,\r\n 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,\r\n 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c,\r\n 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,\r\n 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc,\r\n 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,\r\n 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc,\r\n 0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,\r\n 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c,\r\n 0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,\r\n 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc,\r\n 0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,\r\n 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c,\r\n 0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460,\r\n 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac,\r\n 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0,\r\n 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c,\r\n 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230,\r\n 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c,\r\n 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190,\r\n 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c,\r\n 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0\r\n])\r\n\r\nvar TRI_TABLE = new Int32Array([\r\n -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1,\r\n 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1,\r\n 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1,\r\n 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1,\r\n 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1,\r\n 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1,\r\n 10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1,\r\n 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1,\r\n 5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1,\r\n 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1,\r\n 2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1,\r\n 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1,\r\n 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1,\r\n 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1,\r\n 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1,\r\n 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1,\r\n 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1,\r\n 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1,\r\n 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1,\r\n 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1,\r\n 6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1,\r\n 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1,\r\n 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1,\r\n 3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1,\r\n 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1,\r\n 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1,\r\n 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1,\r\n 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1,\r\n 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1,\r\n 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1,\r\n 10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1,\r\n 1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1,\r\n 0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1,\r\n 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1,\r\n 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1,\r\n 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1,\r\n 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1,\r\n 3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1,\r\n 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1,\r\n 10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1,\r\n 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1,\r\n 7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1,\r\n 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1,\r\n 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1,\r\n 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1,\r\n 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1,\r\n 0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1,\r\n 7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1,\r\n 7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1,\r\n 10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1,\r\n 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1,\r\n 7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1,\r\n 6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1,\r\n 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1,\r\n 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1,\r\n 8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1,\r\n 1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1,\r\n 10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1,\r\n 10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1,\r\n 9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1,\r\n 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1,\r\n 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1,\r\n 7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1,\r\n 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1,\r\n 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1,\r\n 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1,\r\n 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1,\r\n 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1,\r\n 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1,\r\n 6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1,\r\n 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1,\r\n 6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1,\r\n 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1,\r\n 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1,\r\n 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1,\r\n 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1,\r\n 9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1,\r\n 1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1,\r\n 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1,\r\n 0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1,\r\n 11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1,\r\n 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1,\r\n 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1,\r\n 2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1,\r\n 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1,\r\n 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1,\r\n 1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1,\r\n 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1,\r\n 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1,\r\n 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1,\r\n 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1,\r\n 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1,\r\n 9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1,\r\n 5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1,\r\n 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1,\r\n 8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1,\r\n 9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1,\r\n 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1,\r\n 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1,\r\n 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1,\r\n 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1,\r\n 11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1,\r\n 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1,\r\n 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1,\r\n 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1,\r\n 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1,\r\n 1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1,\r\n 4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1,\r\n 0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1,\r\n 9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1,\r\n 1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n 0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1\r\n]);\r\n\r\nexport default {\r\n EDGE_TABLE: EDGE_TABLE,\r\n TRI_TABLE: TRI_TABLE\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/marching_cube_LUT.js","const THREE = require('three');\r\nimport {silverTexture} from './textures'\r\n\r\nimport Metaball from './metaball.js';\r\nimport InspectPoint from './inspect_point.js'\r\nimport LUT from './marching_cube_LUT.js';\r\nvar VISUAL_DEBUG = true;\r\nvar episolon = 0.1;\r\nvar balls = [];\r\n\r\nvar options = {lightColor: '#ffffff',lightIntensity: 1,ambient: '#111111',texture: null};\r\n\r\n// lava\r\nvar l_mat = {\r\n uniforms: {\r\n texture: {type: \"t\",value: null},\r\n u_ambient: {type: 'v3',value: new THREE.Color(options.ambient)},\r\n u_lightCol: {type: 'v3',value: new THREE.Color(options.lightColor)},\r\n u_lightIntensity: {type: 'f',value: options.lightIntensity}\r\n },\r\n vertexShader: require('./shaders/lava-vert.glsl'),\r\n fragmentShader: require('./shaders/lava-frag.glsl')\r\n};\r\n\r\nconst LAVA_MAT = new THREE.ShaderMaterial(l_mat);\r\nconst LAMBERT_WHITE = new THREE.MeshLambertMaterial({ color: 0x111111, emissive: 0xff0000 });\r\nconst LAMBERT_GREEN = new THREE.MeshBasicMaterial( { color: 0x00ee00, transparent: true, opacity: 0.5 });\r\nconst WIREFRAME_MAT = new THREE.LineBasicMaterial( { color: 0xffffff, linewidth: 10 } );\r\n\r\n// This function samples a point from the metaball's density function\r\n// Implement a function that returns the value of the all metaballs influence to a given point.\r\n// Please follow the resources given in the write-up for details.\r\nfunction sample(point) {\r\n var isovalue = 0.0;\r\n for (var i = 0; i < balls.length; i ++) {\r\n var r = balls[i].radius;\r\n var d = point.distanceTo(balls[i].pos);\r\n //isovalue += (r * r / (d * d)) * balls[i].neg;\r\n isovalue += (r * r / (d * d));\r\n }\r\n return isovalue;\r\n}\r\n\r\nexport default class MarchingCubes {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = false;\r\n VISUAL_DEBUG = App.config.visualDebug;\r\n\r\n // Initializing member variables.\r\n // Additional variables are used for fast computation.\r\n this.origin = new THREE.Vector3(0);\r\n\r\n this.isolevel = App.config.isolevel;\r\n this.minRadius = App.config.minRadius;\r\n this.maxRadius = App.config.maxRadius;\r\n\r\n this.gridCellWidth = App.config.gridCellWidth;\r\n this.gridCellHeight = App.config.gridCellHeight;\r\n this.gridCellDepth = App.config.gridCellDepth;\r\n this.halfCellWidth = App.config.gridCellWidth / 2.0;\r\n this.halfCellHeight = App.config.gridCellHeight / 2.0;\r\n this.halfCellDepth = App.config.gridCellDepth / 2.0;\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.gridDepth = App.config.gridDepth;\r\n\r\n this.res = App.config.gridRes;\r\n this.res2 = App.config.gridRes * App.config.gridRes;\r\n this.res3 = App.config.gridRes * App.config.gridRes * App.config.gridRes;\r\n\r\n this.maxSpeedX = App.config.maxSpeedX;\r\n this.maxSpeedY = App.config.maxSpeedY;\r\n this.maxSpeedZ = App.config.maxSpeedZ;\r\n this.numMetaballs = App.config.numMetaballs;\r\n\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n\r\n this.voxels = [];\r\n //this.labels = [];\r\n this.balls = balls;\r\n\r\n this.showSpheres = true;\r\n this.showGrid = true;\r\n\r\n silverTexture.then(function(texture) {\r\n l_mat.uniforms.texture.value = texture;\r\n });\r\n\r\n if (App.config.material) {\r\n this.material = new THREE.MeshPhongMaterial({ color: 0xff6a1d});\r\n } else {\r\n this.material = App.config.material;\r\n }\r\n\r\n this.setupCells();\r\n this.setupMetaballs();\r\n this.makeMesh();\r\n };\r\n\r\n reset() {\r\n \tthis.scene.remove(this.mesh);\r\n \tthis.balls = []; balls = [];\r\n };\r\n\r\n // Convert from 1D index to 3D indices\r\n i1toi3(i1) {\r\n\r\n // [i % w, i % (h * w)) / w, i / (h * w)]\r\n\r\n // @note: ~~ is a fast substitute for Math.floor()\r\n return [\r\n i1 % this.res,\r\n ~~ ((i1 % this.res2) / this.res),\r\n ~~ (i1 / this.res2)\r\n ];\r\n };\r\n\r\n // Convert from 3D indices to 1 1D\r\n i3toi1(i3x, i3y, i3z) {\r\n\r\n // [x + y * w + z * w * h]\r\n\r\n return i3x + i3y * this.res + i3z * this.res2;\r\n };\r\n\r\n // Convert from 3D indices to 3D positions\r\n i3toPos(i3) {\r\n\r\n return new THREE.Vector3(\r\n i3[0] * this.gridCellWidth + this.origin.x + this.halfCellWidth,\r\n i3[1] * this.gridCellHeight + this.origin.y + this.halfCellHeight,\r\n i3[2] * this.gridCellDepth + this.origin.z + this.halfCellDepth\r\n );\r\n };\r\n\r\n setupCells() {\r\n\r\n // Allocate voxels based on our grid resolution\r\n this.voxels = [];\r\n for (var i = 0; i < this.res3; i++) {\r\n var i3 = this.i1toi3(i);\r\n var {x, y, z} = this.i3toPos(i3);\r\n var voxel = new Voxel(new THREE.Vector3(x, y, z), this.gridCellWidth, this.gridCellHeight, this.gridCellDepth);\r\n this.voxels.push(voxel);\r\n\r\n if (VISUAL_DEBUG) {\r\n this.scene.add(voxel.wireframe);\r\n this.scene.add(voxel.mesh);\r\n }\r\n }\r\n }\r\n\r\n setupMetaballs() {\r\n\r\n var x, y, z, vx, vy, vz, radius, pos, vel;\r\n var matLambertWhite = LAMBERT_WHITE;\r\n var maxRadiusTRippled = this.maxRadius * 3;\r\n var maxRadiusDoubled = this.maxRadius * 2;\r\n\r\n // Randomly generate metaballs with different sizes and velocities\r\n for (var i = 0; i < this.numMetaballs; i++) {\r\n x = this.gridWidth / 2;\r\n y = this.gridHeight / 2;\r\n z = this.gridDepth / 2;\r\n pos = new THREE.Vector3(3, 3, 3);\r\n\r\n vx = 0\r\n vy = (Math.random() * 2 - 1) * this.maxSpeedY/10;\r\n vz = 0\r\n vel = new THREE.Vector3(vx, vy, vz);\r\n\r\n radius = Math.random() * (this.maxRadius - this.minRadius) + this.minRadius;\r\n var neg = 1;\r\n if (Math.random()>0.75) neg = -1;\r\n var ball = new Metaball(pos, radius, vel, neg, this.gridWidth, this.gridHeight, this.gridDepth, VISUAL_DEBUG);\r\n balls.push(ball);\r\n\r\n // if (VISUAL_DEBUG) {\r\n // this.scene.add(ball.mesh);\r\n // }\r\n }\r\n this.balls = balls;\r\n }\r\n\r\n update() {\r\n\r\n if (this.isPaused) {\r\n return;\r\n }\r\n\r\n // This should move the metaballs\r\n balls.forEach(function(ball) {\r\n ball.update();\r\n });\r\n this.balls = balls;\r\n\r\n for (var c = 0; c < this.res3; c++) { // every voxel\r\n\r\n // Sampling the center and vertex points\r\n this.voxels[c].center.isovalue = sample(this.voxels[c].center.pos);\r\n for (var i = 0; i < 8; i ++) {\r\n this.voxels[c].corners[i].isovalue = sample(this.voxels[c].corners[i].pos);\r\n }\r\n\r\n // Visualizing grid\r\n if (VISUAL_DEBUG && this.showGrid) {\r\n\r\n // Toggle voxels on or off\r\n if (this.voxels[c].center.isovalue > this.isolevel) {\r\n this.voxels[c].show();\r\n } else {\r\n this.voxels[c].hide();\r\n }\r\n this.voxels[c].center.updateLabel(this.camera);\r\n } else {\r\n this.voxels[c].center.clearLabel();\r\n }\r\n }\r\n\r\n this.updateMesh();\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n for (var i = 0; i < this.res3; i++) {\r\n this.voxels[i].show();\r\n }\r\n this.showGrid = true;\r\n };\r\n\r\n hide() {\r\n for (var i = 0; i < this.res3; i++) {\r\n this.voxels[i].hide();\r\n }\r\n this.showGrid = false;\r\n };\r\n\r\n makeMesh() {\r\n // @TODO\r\n var geo = new THREE.Geometry();\r\n this.mesh = new THREE.Mesh(geo, LAVA_MAT);\r\n this.mesh.geometry.dynamic = true;\r\n this.scene.add(this.mesh);\r\n }\r\n\r\n updateMesh() {\r\n // @TODO\r\n var vertices = [];\r\n var faces = [];\r\n var count = 0;\r\n for (var i = 0; i < this.res3; i ++) {\r\n var vox_count = 0;\r\n var vANDn = this.voxels[i].polygonize(this.isolevel);\r\n for (var j = 0; j < vANDn.vertPositions.length/3; j ++) {\r\n var normals = [];\r\n for (var k = 0; k < 3; k ++) {\r\n vertices.push(vANDn.vertPositions[vox_count]);\r\n normals.push(vANDn.vertNormals[vox_count]);\r\n vox_count++;\r\n count++;\r\n }\r\n faces.push(new THREE.Face3(count - 3, count - 2, count - 1, normals));\r\n }\r\n }\r\n this.mesh.geometry.vertices = vertices;\r\n //this.mesh.geometry.normals = normals;\r\n this.mesh.geometry.faces = faces;\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n this.mesh.geometry.normalsNeedUpdate = true;\r\n this.mesh.geometry.elementsNeedUpdate = true;\r\n this.mesh.geometry.computeFaceNormals();\r\n //console.log(this.mesh);\r\n }\r\n};\r\n\r\n// ------------------------------------------- //\r\n\r\nclass Voxel {\r\n\r\n constructor(position, gridCellWidth, gridCellHeight, gridCellDepth) {\r\n this.init(position, gridCellWidth, gridCellHeight, gridCellDepth);\r\n }\r\n\r\n init(position, gridCellWidth, gridCellHeight, gridCellDepth) {\r\n this.pos = position;\r\n this.gridCellWidth = gridCellWidth;\r\n this.gridCellHeight = gridCellHeight;\r\n this.gridCellDepth = gridCellDepth;\r\n this.corners = [];\r\n\r\n if (VISUAL_DEBUG) {\r\n this.makeMesh();\r\n }\r\n\r\n this.makeInspectPoints();\r\n }\r\n\r\n makeMesh() {\r\n var halfGridCellWidth = this.gridCellWidth / 2.0;\r\n var halfGridCellHeight = this.gridCellHeight / 2.0;\r\n var halfGridCellDepth = this.gridCellDepth / 2.0;\r\n\r\n var positions = new Float32Array([\r\n // Front face\r\n halfGridCellWidth, halfGridCellHeight, halfGridCellDepth,\r\n halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth,\r\n -halfGridCellWidth, -halfGridCellHeight, halfGridCellDepth,\r\n -halfGridCellWidth, halfGridCellHeight, halfGridCellDepth,\r\n\r\n // Back face\r\n -halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth,\r\n -halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth,\r\n halfGridCellWidth, -halfGridCellHeight, -halfGridCellDepth,\r\n halfGridCellWidth, halfGridCellHeight, -halfGridCellDepth,\r\n ]);\r\n\r\n var indices = new Uint16Array([\r\n 0, 1, 2, 3,\r\n 4, 5, 6, 7,\r\n 0, 7, 7, 4,\r\n 4, 3, 3, 0,\r\n 1, 6, 6, 5,\r\n 5, 2, 2, 1\r\n ]);\r\n\r\n // Buffer geometry\r\n var geo = new THREE.BufferGeometry();\r\n geo.setIndex( new THREE.BufferAttribute( indices, 1 ) );\r\n geo.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );\r\n\r\n // Wireframe line segments\r\n this.wireframe = new THREE.LineSegments( geo, WIREFRAME_MAT );\r\n this.wireframe.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n\r\n // Green cube\r\n geo = new THREE.BoxBufferGeometry(this.gridCellWidth, this.gridCellWidth, this.gridCellWidth);\r\n this.mesh = new THREE.Mesh( geo, LAMBERT_GREEN );\r\n this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n }\r\n\r\n makeInspectPoints() {\r\n var w = this.gridCellWidth / 2.0;\r\n var h = this.gridCellHeight / 2.0;\r\n var d = this.gridCellDepth / 2.0;\r\n var x = this.pos.x;\r\n var y = this.pos.y;\r\n var z = this.pos.z;\r\n var red = 0xff0000;\r\n\r\n // Center dot\r\n this.center = new InspectPoint(new THREE.Vector3(x, y, z), 0, VISUAL_DEBUG);\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y-h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y-h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y-h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y-h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y+h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y+h, z-d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x+w, y+h, z+d), 0, VISUAL_DEBUG));\r\n this.corners.push(new InspectPoint(new THREE.Vector3(x-w, y+h, z+d), 0, VISUAL_DEBUG));\r\n }\r\n\r\n show() {\r\n if (this.mesh) {\r\n this.mesh.visible = true;\r\n }\r\n if (this.wireframe) {\r\n this.wireframe.visible = true;\r\n }\r\n }\r\n\r\n hide() {\r\n if (this.mesh) {\r\n this.mesh.visible = false;\r\n }\r\n\r\n if (this.wireframe) {\r\n this.wireframe.visible = false;\r\n }\r\n\r\n if (this.center) {\r\n this.center.clearLabel();\r\n }\r\n }\r\n\r\n vertexLerp(isolevel, posA, posB) {\r\n var t = (isolevel - posA.isovalue) / (posB.isovalue - posA.isovalue);\r\n var lerpPos = new THREE.Vector3();\r\n return lerpPos.lerpVectors(posA.pos, posB.pos, t);\r\n }\r\n\r\n // returns an array of points on the cube edges\r\n // null if no point exists for an edge\r\n edgePoints(edges, x) {\r\n var points = [null, null, null, null, null, null, null, null, null, null, null, null];\r\n if (edges & 1) points[0] = this.vertexLerp(x, this.corners[0], this.corners[1]);\r\n if (edges & 2) points[1] = this.vertexLerp(x, this.corners[1], this.corners[2]);\r\n if (edges & 4) points[2] = this.vertexLerp(x, this.corners[2], this.corners[3]);\r\n if (edges & 8) points[3] = this.vertexLerp(x, this.corners[3], this.corners[0]);\r\n if (edges & 16) points[4] = this.vertexLerp(x, this.corners[4], this.corners[5]);\r\n if (edges & 32) points[5] = this.vertexLerp(x, this.corners[5], this.corners[6]);\r\n if (edges & 64) points[6] = this.vertexLerp(x, this.corners[6], this.corners[7]);\r\n if (edges & 128) points[7] = this.vertexLerp(x, this.corners[7], this.corners[4]);\r\n if (edges & 256) points[8] = this.vertexLerp(x, this.corners[4], this.corners[0]);\r\n if (edges & 512) points[9] = this.vertexLerp(x, this.corners[5], this.corners[1]);\r\n if (edges & 1024) points[10] = this.vertexLerp(x, this.corners[6], this.corners[2]);\r\n if (edges & 2048) points[11] = this.vertexLerp(x, this.corners[7], this.corners[3]);\r\n return points;\r\n }\r\n\r\n getNormal(point) {\r\n var x0 = new THREE.Vector3(point.x - episolon, point.y, point.z);\r\n var x1 = new THREE.Vector3(point.x + episolon, point.y, point.z);\r\n var x = sample(x1) - sample(x0);\r\n var y0 = new THREE.Vector3(point.x, point.y - episolon, point.z);\r\n var y1 = new THREE.Vector3(point.x, point.y + episolon, point.z);\r\n var y = sample(y1) - sample(y0);\r\n var z0 = new THREE.Vector3(point.x, point.y, point.z - episolon);\r\n var z1 = new THREE.Vector3(point.x, point.y, point.z + episolon);\r\n var z = sample(z1) - sample(z0);\r\n var n = new THREE.Vector3(x,y,z);\r\n return n.normalize();\r\n }\r\n\r\n polygonize(isolevel) {\r\n\r\n var vertexList = [];\r\n var normalList = [];\r\n var faceList = [];\r\n\r\n // get corner vertices that are inside metaballs\r\n var corner = 1;\r\n var allVert = 0;\r\n for (var i = 0; i < 8; i ++) {\r\n if (this.corners[i].isovalue > isolevel) {\r\n allVert |= corner;\r\n }\r\n corner = corner << 1;\r\n }\r\n\r\n if (allVert != 0) {\r\n // get intersected edges\r\n var edges = LUT.EDGE_TABLE[allVert];\r\n\r\n // get 12 points\r\n var points = this.edgePoints(edges, isolevel);\r\n\r\n for (var j = 0; j < 16; j ++) {\r\n var tri = LUT.TRI_TABLE[allVert*16 + j];\r\n if (tri < 0) break;\r\n var vertex = points[tri];\r\n vertexList.push(vertex);\r\n normalList.push(this.getNormal(vertex));\r\n }\r\n }\r\n\r\n\r\n return {\r\n vertPositions: vertexList,\r\n vertNormals: normalList\r\n };\r\n };\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/marching_cubes.js","const THREE = require('three')\r\n\r\nvar SPHERE_GEO = new THREE.SphereBufferGeometry(1, 32, 32);\r\nvar LAMBERT_WHITE = new THREE.MeshLambertMaterial( { color: 0x9EB3D8, transparent: true, opacity: 0.5 });\r\n\r\nexport default class Metaball {\r\n constructor(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug) {\r\n this.init(pos, radius, vel, gridWidth, gridHeight, gridDepth, visualDebug);\r\n }\r\n\r\n init(pos, radius, vel, neg, gridWidth, gridHeight, gridDepth, visualDebug) {\r\n this.gridWidth = gridWidth;\r\n this.gridHeight = gridHeight;\r\n this.gridDepth = gridDepth;\r\n this.pos = pos;\r\n this.vel = vel;\r\n this.neg = neg;\r\n this.radius = radius;\r\n this.radius2 = radius * radius;\r\n this.mesh = null;\r\n this.debug = visualDebug;\r\n // if (visualDebug) {\r\n // this.makeMesh();\r\n // }\r\n }\r\n\r\n makeMesh() {\r\n this.mesh = new THREE.Mesh(SPHERE_GEO, LAMBERT_WHITE);\r\n this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n this.mesh.scale.set(this.radius, this.radius, this.radius);\r\n }\r\n\r\n show() {\r\n if (this.mesh) {\r\n this.mesh.visible = true;\r\n }\r\n };\r\n\r\n hide() {\r\n if (this.mesh) {\r\n this.mesh.visible = false;\r\n }\r\n };\r\n\r\n update() {\r\n\r\n // var cir = new THREE.Vector3(this.pos.x, 0, this.pos.z);\r\n // var disp = new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2).sub(cir);\r\n // var dist = cir.distanceTo(new THREE.Vector3(this.gridWidth/2, 0, this.gridWidth/2));\r\n // if ((dist + 2*this.radius) > this.gridWidth \r\n // || (dist + 2*this.radius) > this.gridDepth) {\r\n // this.vel.add(disp);\r\n // }\r\n var y = (this.pos.y + this.radius) > this.gridHeight || (this.pos.y + 2* this.radius) < 0;\r\n if (y) this.vel.y *= -1;\r\n \r\n var date = new Date();\r\n var velocity = new THREE.Vector3();\r\n velocity.copy(this.vel).multiplyScalar(3);\r\n this.pos.add(velocity);\r\n\r\n \r\n\r\n \r\n // if (x || y || z) {\r\n // this.vel.multiplyScalar(-1);\r\n // }\r\n if (this.debug) this.mesh.position.set(this.pos.x, this.pos.y, this.pos.z);\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/metaball.js","const THREE = require('three');\r\n\r\nconst POINT_MATERIAL = new THREE.PointsMaterial( { color: 0xee1111, size: 10, sizeAttenuation: true } );\r\n\r\nexport default class InspectPoint {\r\n\r\n constructor(pos, isovalue, visualDebug) {\r\n this.init(pos, isovalue, visualDebug);\r\n }\r\n\r\n init(pos, isovalue, visualDebug) {\r\n this.pos = pos;\r\n this.isovalue = isovalue;\r\n this.label = null;\r\n\r\n if (visualDebug) {\r\n this.makeLabel();\r\n }\r\n };\r\n\r\n // Create an HTML div for holding label\r\n makeLabel() {\r\n this.label = document.createElement('div');\r\n this.label.style.position = 'absolute';\r\n this.label.style.width = 100;\r\n this.label.style.height = 100;\r\n this.label.style.userSelect = 'none';\r\n this.label.style.cursor = 'default';\r\n this.label.style.fontSize = '0.3em';\r\n this.label.style.pointerEvents = 'none';\r\n document.body.appendChild(this.label); \r\n };\r\n\r\n updateLabel(camera) {\r\n if (this.label) {\r\n var screenPos = this.pos.clone().project(camera);\r\n screenPos.x = ( screenPos.x + 1 ) / 2 * window.innerWidth;;\r\n screenPos.y = - ( screenPos.y - 1 ) / 2 * window.innerHeight;;\r\n\r\n this.label.style.top = screenPos.y + 'px';\r\n this.label.style.left = screenPos.x + 'px';\r\n this.label.innerHTML = this.isovalue.toFixed(2);\r\n this.label.style.opacity = this.isovalue - 0.5; \r\n }\r\n };\r\n\r\n clearLabel() {\r\n if (this.label) {\r\n this.label.innerHTML = '';\r\n this.label.style.opacity = 0;\r\n }\r\n };\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/inspect_point.js","module.exports = \"\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normalMatrix * normal;\\r\\n e_position = normalize(vec3((modelViewMatrix * vec4(position, 1.0)).rgb));\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/lava-vert.glsl\n// module id = 14\n// module chunks = 0","module.exports = \"\\r\\nuniform sampler2D texture;\\r\\nuniform vec3 u_ambient;\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\nvoid main() {\\r\\n\\tvec3 ref = reflect(e_position, f_normal);\\r\\n\\tfloat m = 2.0 * sqrt(pow(ref.x, 2.0) + pow(ref.y, 2.0) + pow(ref.z + 1.0, 2.0));\\r\\n float x = f_normal.x/m + 0.5;\\r\\n float y = f_normal.y/m + 0.5;\\r\\n\\r\\n vec4 color = texture2D(texture, vec2(x,y));\\r\\n\\r\\n gl_FragColor = vec4(color.rgb * u_lightCol * u_lightIntensity + u_ambient, 1.0);\\r\\n}\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/lava-frag.glsl\n// module id = 15\n// module chunks = 0","module.exports = __webpack_public_path__ + \"index.html\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/file-loader?name=[name].[ext]!./index.html\n// module id = 16\n// module chunks = 0","'use strict';\n\nmodule.exports = function (THREE) {\n\n /**\n * @author mrdoob / http://mrdoob.com/\n */\n THREE.OBJLoader = function (manager) {\n\n this.manager = manager !== undefined ? manager : THREE.DefaultLoadingManager;\n };\n\n THREE.OBJLoader.prototype = {\n\n constructor: THREE.OBJLoader,\n\n load: function load(url, onLoad, onProgress, onError) {\n\n var scope = this;\n\n var loader = new THREE.XHRLoader(scope.manager);\n loader.load(url, function (text) {\n\n onLoad(scope.parse(text));\n }, onProgress, onError);\n },\n\n parse: function parse(text) {\n\n console.time('OBJLoader');\n\n var object,\n objects = [];\n var geometry, material;\n\n function parseVertexIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + vertices.length / 3) * 3;\n }\n\n function parseNormalIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + normals.length / 3) * 3;\n }\n\n function parseUVIndex(value) {\n\n var index = parseInt(value);\n\n return (index >= 0 ? index - 1 : index + uvs.length / 2) * 2;\n }\n\n function addVertex(a, b, c) {\n\n geometry.vertices.push(vertices[a], vertices[a + 1], vertices[a + 2], vertices[b], vertices[b + 1], vertices[b + 2], vertices[c], vertices[c + 1], vertices[c + 2]);\n }\n\n function addNormal(a, b, c) {\n\n geometry.normals.push(normals[a], normals[a + 1], normals[a + 2], normals[b], normals[b + 1], normals[b + 2], normals[c], normals[c + 1], normals[c + 2]);\n }\n\n function addUV(a, b, c) {\n\n geometry.uvs.push(uvs[a], uvs[a + 1], uvs[b], uvs[b + 1], uvs[c], uvs[c + 1]);\n }\n\n function addFace(a, b, c, d, ua, ub, uc, ud, na, nb, nc, nd) {\n\n var ia = parseVertexIndex(a);\n var ib = parseVertexIndex(b);\n var ic = parseVertexIndex(c);\n var id;\n\n if (d === undefined) {\n\n addVertex(ia, ib, ic);\n } else {\n\n id = parseVertexIndex(d);\n\n addVertex(ia, ib, id);\n addVertex(ib, ic, id);\n }\n\n if (ua !== undefined) {\n\n ia = parseUVIndex(ua);\n ib = parseUVIndex(ub);\n ic = parseUVIndex(uc);\n\n if (d === undefined) {\n\n addUV(ia, ib, ic);\n } else {\n\n id = parseUVIndex(ud);\n\n addUV(ia, ib, id);\n addUV(ib, ic, id);\n }\n }\n\n if (na !== undefined) {\n\n ia = parseNormalIndex(na);\n ib = parseNormalIndex(nb);\n ic = parseNormalIndex(nc);\n\n if (d === undefined) {\n\n addNormal(ia, ib, ic);\n } else {\n\n id = parseNormalIndex(nd);\n\n addNormal(ia, ib, id);\n addNormal(ib, ic, id);\n }\n }\n }\n\n // create mesh if no objects in text\n\n if (/^o /gm.test(text) === false) {\n\n geometry = {\n vertices: [],\n normals: [],\n uvs: []\n };\n\n material = {\n name: ''\n };\n\n object = {\n name: '',\n geometry: geometry,\n material: material\n };\n\n objects.push(object);\n }\n\n var vertices = [];\n var normals = [];\n var uvs = [];\n\n // v float float float\n\n var vertex_pattern = /v( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // vn float float float\n\n var normal_pattern = /vn( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // vt float float\n\n var uv_pattern = /vt( +[\\d|\\.|\\+|\\-|e|E]+)( +[\\d|\\.|\\+|\\-|e|E]+)/;\n\n // f vertex vertex vertex ...\n\n var face_pattern1 = /f( +-?\\d+)( +-?\\d+)( +-?\\d+)( +-?\\d+)?/;\n\n // f vertex/uv vertex/uv vertex/uv ...\n\n var face_pattern2 = /f( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+))?/;\n\n // f vertex/uv/normal vertex/uv/normal vertex/uv/normal ...\n\n var face_pattern3 = /f( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))( +(-?\\d+)\\/(-?\\d+)\\/(-?\\d+))?/;\n\n // f vertex//normal vertex//normal vertex//normal ...\n\n var face_pattern4 = /f( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))( +(-?\\d+)\\/\\/(-?\\d+))?/;\n\n //\n\n var lines = text.split('\\n');\n\n for (var i = 0; i < lines.length; i++) {\n\n var line = lines[i];\n line = line.trim();\n\n var result;\n\n if (line.length === 0 || line.charAt(0) === '#') {\n\n continue;\n } else if ((result = vertex_pattern.exec(line)) !== null) {\n\n // [\"v 1.0 2.0 3.0\", \"1.0\", \"2.0\", \"3.0\"]\n\n vertices.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3]));\n } else if ((result = normal_pattern.exec(line)) !== null) {\n\n // [\"vn 1.0 2.0 3.0\", \"1.0\", \"2.0\", \"3.0\"]\n\n normals.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3]));\n } else if ((result = uv_pattern.exec(line)) !== null) {\n\n // [\"vt 0.1 0.2\", \"0.1\", \"0.2\"]\n\n uvs.push(parseFloat(result[1]), parseFloat(result[2]));\n } else if ((result = face_pattern1.exec(line)) !== null) {\n\n // [\"f 1 2 3\", \"1\", \"2\", \"3\", undefined]\n\n addFace(result[1], result[2], result[3], result[4]);\n } else if ((result = face_pattern2.exec(line)) !== null) {\n\n // [\"f 1/1 2/2 3/3\", \" 1/1\", \"1\", \"1\", \" 2/2\", \"2\", \"2\", \" 3/3\", \"3\", \"3\", undefined, undefined, undefined]\n\n addFace(result[2], result[5], result[8], result[11], result[3], result[6], result[9], result[12]);\n } else if ((result = face_pattern3.exec(line)) !== null) {\n\n // [\"f 1/1/1 2/2/2 3/3/3\", \" 1/1/1\", \"1\", \"1\", \"1\", \" 2/2/2\", \"2\", \"2\", \"2\", \" 3/3/3\", \"3\", \"3\", \"3\", undefined, undefined, undefined, undefined]\n\n addFace(result[2], result[6], result[10], result[14], result[3], result[7], result[11], result[15], result[4], result[8], result[12], result[16]);\n } else if ((result = face_pattern4.exec(line)) !== null) {\n\n // [\"f 1//1 2//2 3//3\", \" 1//1\", \"1\", \"1\", \" 2//2\", \"2\", \"2\", \" 3//3\", \"3\", \"3\", undefined, undefined, undefined]\n\n addFace(result[2], result[5], result[8], result[11], undefined, undefined, undefined, undefined, result[3], result[6], result[9], result[12]);\n } else if (/^o /.test(line)) {\n\n geometry = {\n vertices: [],\n normals: [],\n uvs: []\n };\n\n material = {\n name: ''\n };\n\n object = {\n name: line.substring(2).trim(),\n geometry: geometry,\n material: material\n };\n\n objects.push(object);\n } else if (/^g /.test(line)) {\n\n // group\n\n } else if (/^usemtl /.test(line)) {\n\n // material\n\n material.name = line.substring(7).trim();\n } else if (/^mtllib /.test(line)) {\n\n // mtl file\n\n } else if (/^s /.test(line)) {\n\n // smooth shading\n\n } else {\n\n // console.log( \"THREE.OBJLoader: Unhandled line \" + line );\n\n }\n }\n\n var container = new THREE.Object3D();\n var l;\n\n for (i = 0, l = objects.length; i < l; i++) {\n\n object = objects[i];\n geometry = object.geometry;\n\n var buffergeometry = new THREE.BufferGeometry();\n\n buffergeometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(geometry.vertices), 3));\n\n if (geometry.normals.length > 0) {\n\n buffergeometry.addAttribute('normal', new THREE.BufferAttribute(new Float32Array(geometry.normals), 3));\n }\n\n if (geometry.uvs.length > 0) {\n\n buffergeometry.addAttribute('uv', new THREE.BufferAttribute(new Float32Array(geometry.uvs), 2));\n }\n\n material = new THREE.MeshLambertMaterial({\n color: 0xff0000\n });\n material.name = object.material.name;\n\n var mesh = new THREE.Mesh(buffergeometry, material);\n mesh.name = object.name;\n\n container.add(mesh);\n }\n\n console.timeEnd('OBJLoader');\n\n return container;\n }\n\n };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-obj-loader/dist/index.js\n// module id = 17\n// module chunks = 0","module.exports = \"varying vec3 f_normal;\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 e_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normal;\\r\\n f_position = position;\\r\\n e_position = cameraPosition;\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/glass-vert.glsl\n// module id = 18\n// module chunks = 0","module.exports = \"#define M_PI 3.1415926535897932384626433832795\\r\\n\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 f_normal;\\r\\nvarying vec3 e_position;\\r\\n\\r\\nfloat cosine(float a, float b, float c, float d, float t) {\\r\\n\\treturn a + b * cos(2.0 * M_PI * (c * t + d));\\r\\n}\\r\\n\\r\\nvoid main() {\\r\\n\\tfloat d = clamp(dot(f_normal, normalize(e_position - f_position)), 0.0, 1.0);\\r\\n\\tvec3 rgb = mix(vec3(0.4, 0.3, 0.16), vec3(1.0, 0.3, 0.3), d);\\r\\n\\r\\n gl_FragColor = vec4(d,d,d, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/glass-frag.glsl\n// module id = 19\n// module chunks = 0","module.exports = \"varying vec3 f_normal;\\r\\nvarying vec3 f_position;\\r\\n\\r\\n// uv, position, projectionMatrix, modelViewMatrix, normal\\r\\nvoid main() {\\r\\n f_normal = normal;\\r\\n f_position = position;\\r\\n gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/metal-vert.glsl\n// module id = 20\n// module chunks = 0","module.exports = \"uniform vec3 u_lightPos;\\r\\nuniform vec3 u_lightCol;\\r\\nuniform float u_lightIntensity;\\r\\n\\r\\nvarying vec3 f_position;\\r\\nvarying vec3 f_normal;\\r\\n\\r\\nvoid main() {\\r\\n vec4 color = vec4(1.0, 1.0, 1.0, 1.0);\\r\\n float d = clamp(dot(f_normal, normalize(u_lightPos - f_position)), 0.0, 1.0);\\r\\n gl_FragColor = vec4(d * color.rgb * u_lightCol * u_lightIntensity, 1.0);\\r\\n}\\r\\n\"\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/shaders/metal-frag.glsl\n// module id = 21\n// module chunks = 0","module.exports = __webpack_public_path__ + \"./assets/glass-5b14a7.obj\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0923a87d1ef83cc7447f","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n }\r\n }\r\n }\r\n var dest = new THREE.Vector3(2,2,0);\r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n }\r\n if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight);\r\n this.vel.clampLength(-this.radius, this.radius);\r\n }\r\n \r\n // update position\r\n this.pos.add(this.vel);\r\n this.mesh.position.set(this.pos.x, this.pos.y, 0);\r\n this.circle.position.set(this.pos.x, this.pos.y, 0);\r\n this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length);\r\n this.lines.geometry.attributes.position.needsUpdate = true;\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/agent.js"],"sourceRoot":""} \ No newline at end of file From 28b652d0ba12012ac9c3edddb1b52fe080d8cebe Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Wed, 29 Mar 2017 11:25:08 -0400 Subject: [PATCH 17/19] fixed 3rd config --- src/bio_crowd.js | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/src/bio_crowd.js b/src/bio_crowd.js index e6b673d9..572c1b36 100644 --- a/src/bio_crowd.js +++ b/src/bio_crowd.js @@ -197,8 +197,11 @@ export default class BioCrowd { } break; default: - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight,0); + for (var i = 0; i < this.numAgents; i ++) { + var pos = new THREE.Vector3(Math.random() * this.gridWidth, + Math.random() * this.gridHeight,0); + var dest = new THREE.Vector3(Math.random() * this.gridWidth, + Math.random() * this.gridHeight,0); var hit = true; while (hit) { hit = false; @@ -206,12 +209,22 @@ export default class BioCrowd { var dist = distance(pos, this.obstacles[j].pos); if (dist < this.obstacles[j].radius) { hit = true; - pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, - Math.random() * this.gridRes * this.cellHeight,0); + pos = new THREE.Vector3(Math.random() * this.gridWidht, + Math.random() * this.gridHeight,0); } } } - var dest = new THREE.Vector3(2,2,0); + if (!hit) { + var index = this.pos2i(pos); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + } + } + } } From 38ee3cc1e8ea27477d036974bdd593656eba2db5 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Wed, 29 Mar 2017 11:26:02 -0400 Subject: [PATCH 18/19] omg bundles --- build/bundle.js | 32 ++++++++++++++++++++++---------- build/bundle.js.map | 2 +- 2 files changed, 23 insertions(+), 11 deletions(-) diff --git a/build/bundle.js b/build/bundle.js index 2592d9c4..2fad4a51 100644 --- a/build/bundle.js +++ b/build/bundle.js @@ -48315,19 +48315,31 @@ } break; default: - var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); - var hit = true; - while (hit) { - hit = false; - for (var j = 0; j < this.num_obs; j++) { - var dist = (0, _agent3.distance)(pos, this.obstacles[j].pos); - if (dist < this.obstacles[j].radius) { - hit = true; - pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth, Math.random() * this.gridRes * this.cellHeight, 0); + for (var i = 0; i < this.numAgents; i++) { + var pos = new THREE.Vector3(Math.random() * this.gridWidth, Math.random() * this.gridHeight, 0); + var dest = new THREE.Vector3(Math.random() * this.gridWidth, Math.random() * this.gridHeight, 0); + var hit = true; + while (hit) { + hit = false; + for (var j = 0; j < this.num_obs; j++) { + var dist = (0, _agent3.distance)(pos, this.obstacles[j].pos); + if (dist < this.obstacles[j].radius) { + hit = true; + pos = new THREE.Vector3(Math.random() * this.gridWidht, Math.random() * this.gridHeight, 0); + } } } + if (!hit) { + var index = this.pos2i(pos); + var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x); + var agent = new _agent2.default(pos, index, ori, dest, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers); + this.select(agent); + this.agents.push(agent); + this.scene.add(agent.mesh); + if (this.debug) this.scene.add(agent.circle); + } } - var dest = new THREE.Vector3(2, 2, 0); + } } diff --git a/build/bundle.js.map b/build/bundle.js.map index 1af008d8..267df9ca 100644 --- a/build/bundle.js.map +++ b/build/bundle.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0923a87d1ef83cc7447f","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n var pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridRes * this.cellWidth,\r\n Math.random() * this.gridRes * this.cellHeight,0);\r\n }\r\n }\r\n }\r\n var dest = new THREE.Vector3(2,2,0);\r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 85a86dbb40a37b27fe17","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n for (var i = 0; i < this.numAgents; i ++) {\r\n var pos = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var dest = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridWidht,\r\n Math.random() * this.gridHeight,0);\r\n }\r\n }\r\n }\r\n if (!hit) {\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n \r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n }\r\n if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight);\r\n this.vel.clampLength(-this.radius, this.radius);\r\n }\r\n \r\n // update position\r\n this.pos.add(this.vel);\r\n this.mesh.position.set(this.pos.x, this.pos.y, 0);\r\n this.circle.position.set(this.pos.x, this.pos.y, 0);\r\n this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length);\r\n this.lines.geometry.attributes.position.needsUpdate = true;\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/agent.js"],"sourceRoot":""} \ No newline at end of file From fdabe662466b82334008a4680a58ea2c23b99524 Mon Sep 17 00:00:00 2001 From: sarahforcier Date: Tue, 25 Jul 2017 19:30:27 -0700 Subject: [PATCH 19/19] more agents --- build/bundle.js | 10 +++++----- build/bundle.js.map | 2 +- src/main.js | 10 +++++----- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/build/bundle.js b/build/bundle.js index 2fad4a51..e4cdc31f 100644 --- a/build/bundle.js +++ b/build/bundle.js @@ -158,7 +158,7 @@ gui.add(App.config, 'visualDebug').onChange(function (value) { if (value) App.bioCrowd.show();else App.bioCrowd.hide(); }); - a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function (value) { + a.add(App.config, 'numAgents', 1, 200).step(1).onChange(function (value) { App.bioCrowd.reset(); App.bioCrowd = new _bio_crowd2.default(App); }); @@ -170,11 +170,11 @@ App.bioCrowd.reset(); App.bioCrowd = new _bio_crowd2.default(App); }); - g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function (value) { + g.add(App.config, 'cellRes', 0, 1000).step(1).onChange(function (value) { App.bioCrowd.reset(); App.bioCrowd = new _bio_crowd2.default(App); }); - g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function (value) { + g.add(App.config, 'gridWidth', 0, 100).step(1).onChange(function (value) { App.config.gridHeight = value; App.scene.remove(App.plane); App.plane.geometry.dispose();App.plane.material.dispose(); @@ -182,13 +182,13 @@ setupScene(App.scene); setupCamera(App.camera); }); - g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function (value) { + g.add(App.config, 'gridRes', 0, 100).step(1).onChange(function (value) { App.scene.remove(App.plane); App.plane.geometry.dispose();App.plane.material.dispose(); App.bioCrowd.reset(); setupScene(App.scene); }); - gui.add(App, 'obstacles', 0, 5).onChange(function (value) { + gui.add(App, 'obstacles', 0, 10).step(1).onChange(function (value) { App.bioCrowd.reset(); App.bioCrowd = new _bio_crowd2.default(App); }); diff --git a/build/bundle.js.map b/build/bundle.js.map index 267df9ca..0ba59782 100644 --- a/build/bundle.js.map +++ b/build/bundle.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 85a86dbb40a37b27fe17","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 5).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n for (var i = 0; i < this.numAgents; i ++) {\r\n var pos = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var dest = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridWidht,\r\n Math.random() * this.gridHeight,0);\r\n }\r\n }\r\n }\r\n if (!hit) {\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n \r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = 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\t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap dd9a61f03e4911fd600e","const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much\r\n//const OBJLoader = require('three-obj-loader');\r\n//OBJLoader(THREE)\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\n\r\nimport Framework from './framework'\r\nimport BioCrowd from './bio_crowd.js'\r\n\r\nconst DEFAULT_VISUAL_DEBUG = false;\r\nconst DEFAULT_CELL_RES = 25;\r\nconst DEFAULT_GRID_RES = 8;\r\nconst DEFAULT_GRID_WIDTH = 8;\r\nconst DEFAULT_GRID_HEIGHT = 8;\r\nconst DEFAULT_NUM_AGENTS = 8;\r\nconst DEFAULT_NUM_MARKERS = 1000;\r\nconst DEFAULT_RADIUS = 0.5;\r\nconst DEFAULT_OBSTACLES = 2;\r\nconst DEFAULT_MAX_VELOCITY = 5;\r\n\r\nvar App = {\r\n //\r\n bioCrowd: undefined,\r\n agentGeometry: new THREE.CylinderGeometry(0.1, 0.1, 0.5, 8).rotateX(Math.PI/2),\r\n scenario: 'line',\r\n obstacles: DEFAULT_OBSTACLES,\r\n config: {\r\n visualDebug: DEFAULT_VISUAL_DEBUG,\r\n isPaused: false,\r\n gridRes: DEFAULT_GRID_RES,\r\n cellRes: DEFAULT_CELL_RES, \r\n\r\n gridWidth: DEFAULT_GRID_WIDTH,\r\n gridHeight: DEFAULT_GRID_HEIGHT,\r\n\r\n maxMarkers: DEFAULT_NUM_MARKERS,\r\n numAgents: DEFAULT_NUM_AGENTS,\r\n agentRadius: DEFAULT_RADIUS,\r\n maxVelocity: DEFAULT_MAX_VELOCITY \r\n },\r\n\r\n // Scene's framework objects\r\n camera: undefined,\r\n scene: undefined,\r\n renderer: undefined,\r\n controls: undefined,\r\n plane: undefined\r\n};\r\n\r\n// called after the scene loads\r\nfunction onLoad(framework) {\r\n\r\n var {scene, camera, renderer, gui, stats, controls} = framework;\r\n App.scene = scene;\r\n App.camera = camera;\r\n App.renderer = renderer;\r\n App.controls = controls;\r\n\r\n renderer.setClearColor( 0x111111 );\r\n\r\n setupCamera(App.camera);\r\n //setupLights(App.scene);\r\n setupScene(App.scene);\r\n setupGUI(gui);\r\n}\r\n\r\n// called on frame updates\r\nfunction onUpdate(framework) {\r\n if (App.bioCrowd) {\r\n App.bioCrowd.update();\r\n }\r\n}\r\n\r\nfunction setupCamera(camera) {\r\n // set camera position\r\n camera.position.set(App.config.gridWidth/2, App.config.gridHeight/2, App.config.gridWidth);\r\n camera.lookAt(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n App.controls.target.set(App.config.gridWidth/2, App.config.gridHeight/2, 0);\r\n}\r\n\r\nfunction setupScene(scene) {\r\n var geo = new THREE.PlaneGeometry(App.config.gridWidth, App.config.gridHeight, \r\n App.config.gridRes, App.config.gridRes);\r\n geo.translate(App.config.gridWidth/2,App.config.gridHeight/2,-0.01);\r\n var material = new THREE.MeshBasicMaterial( {color: 0xffffff, wireframe: true} );\r\n App.plane = new THREE.Mesh( geo, material );\r\n scene.add( App.plane );\r\n App.bioCrowd = new BioCrowd(App);\r\n}\r\n\r\nfunction setupGUI(gui) {\r\n\r\n var a = gui.addFolder('Agent_Controls');\r\n var g = gui.addFolder('Grid_Controls');\r\n\r\n gui.add(App.config, 'isPaused').onChange(function(value) {\r\n App.isPaused = value;\r\n if (value) App.bioCrowd.pause();\r\n else App.bioCrowd.play();\r\n });\r\n gui.add(App.config, 'visualDebug').onChange(function(value) {\r\n if (value) App.bioCrowd.show();\r\n else App.bioCrowd.hide();\r\n });\r\n a.add(App.config, 'numAgents', 1, 200).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App.config, 'agentRadius', 0, 1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n a.add(App, 'scenario', ['line', 'quad', 'random']).onChange(function(val) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'cellRes', 0, 1000).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n });\r\n g.add(App.config, 'gridWidth', 0, 100).step(1).onChange(function(value) {\r\n App.config.gridHeight = value;\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n setupCamera(App.camera);\r\n });\r\n g.add(App.config, 'gridRes', 0, 100).step(1).onChange(function(value) {\r\n App.scene.remove(App.plane);\r\n App.plane.geometry.dispose(); App.plane.material.dispose(); \r\n App.bioCrowd.reset();\r\n setupScene(App.scene);\r\n });\r\n gui.add(App, 'obstacles', 0, 10).step(1).onChange(function(value) {\r\n App.bioCrowd.reset();\r\n App.bioCrowd = new BioCrowd(App);\r\n }); \r\n}\r\n\r\nfunction setupLights(scene) {\r\n\r\n // Directional light\r\n var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );\r\n directionalLight.color.setHSL(0.1, 1, 0.95);\r\n directionalLight.position.set(1, 10, 2);\r\n directionalLight.position.multiplyScalar(10);\r\n\r\n scene.add(directionalLight);\r\n}\r\n\r\n// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate\r\nFramework.init(onLoad, onUpdate);\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/main.js","\r\nconst THREE = require('three');\r\nconst OrbitControls = require('three-orbit-controls')(THREE)\r\nimport Stats from 'stats-js'\r\nimport DAT from 'dat-gui'\r\n\r\n// when the scene is done initializing, the function passed as `callback` will be executed\r\n// then, every frame, the function passed as `update` will be executed\r\nfunction init(callback, update) {\r\n var stats = new Stats();\r\n stats.setMode(1);\r\n stats.domElement.style.position = 'absolute';\r\n stats.domElement.style.left = '0px';\r\n stats.domElement.style.top = '0px';\r\n document.body.appendChild(stats.domElement);\r\n\r\n var gui = new DAT.GUI();\r\n\r\n var framework = {\r\n gui: gui,\r\n stats: stats\r\n };\r\n\r\n // run this function after the window loads\r\n window.addEventListener('load', function() {\r\n\r\n var scene = new THREE.Scene();\r\n var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );\r\n var renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true} );\r\n renderer.setPixelRatio(window.devicePixelRatio);\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n renderer.setClearColor(0x020202, 0);\r\n\r\n var controls = new OrbitControls(camera, renderer.domElement);\r\n controls.enableDamping = true;\r\n controls.enableZoom = true;\r\n controls.target.set(0, 0, 0);\r\n controls.rotateSpeed = 0.3;\r\n controls.zoomSpeed = 1.0;\r\n controls.panSpeed = 2.0;\r\n controls.addEventListener('change', function() {\r\n camera.hasMoved = true;\r\n });\r\n\r\n document.body.appendChild(renderer.domElement);\r\n\r\n // resize the canvas when the window changes\r\n window.addEventListener('resize', function() {\r\n camera.aspect = window.innerWidth / window.innerHeight;\r\n camera.updateProjectionMatrix();\r\n renderer.setSize(window.innerWidth, window.innerHeight);\r\n }, false);\r\n\r\n // assign THREE.js objects to the object we will return\r\n framework.scene = scene;\r\n framework.camera = camera;\r\n framework.renderer = renderer;\r\n framework.controls = controls;\r\n\r\n // begin the animation loop\r\n (function tick() {\r\n stats.begin();\r\n update(framework); // perform any requested updates\r\n renderer.render(scene, camera); // render the scene\r\n stats.end();\r\n requestAnimationFrame(tick); // register to call this again when the browser renders a new frame\r\n })();\r\n\r\n // we will pass the scene, gui, renderer, camera, etc... to the callback function\r\n return callback(framework);\r\n });\r\n}\r\n\r\nexport default {\r\n init: init\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/framework.js","// stats.js - http://github.com/mrdoob/stats.js\nvar Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement(\"div\");f.id=\"stats\";f.addEventListener(\"mousedown\",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText=\"width:80px;opacity:0.9;cursor:pointer\";var a=document.createElement(\"div\");a.id=\"fps\";a.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#002\";f.appendChild(a);var i=document.createElement(\"div\");i.id=\"fpsText\";i.style.cssText=\"color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";\ni.innerHTML=\"FPS\";a.appendChild(i);var c=document.createElement(\"div\");c.id=\"fpsGraph\";c.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0ff\";for(a.appendChild(c);74>c.children.length;){var j=document.createElement(\"span\");j.style.cssText=\"width:1px;height:30px;float:left;background-color:#113\";c.appendChild(j)}var d=document.createElement(\"div\");d.id=\"ms\";d.style.cssText=\"padding:0 0 3px 3px;text-align:left;background-color:#020;display:none\";f.appendChild(d);var k=document.createElement(\"div\");\nk.id=\"msText\";k.style.cssText=\"color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px\";k.innerHTML=\"MS\";d.appendChild(k);var e=document.createElement(\"div\");e.id=\"msGraph\";e.style.cssText=\"position:relative;width:74px;height:30px;background-color:#0f0\";for(d.appendChild(e);74>e.children.length;)j=document.createElement(\"span\"),j.style.cssText=\"width:1px;height:30px;float:left;background-color:#131\",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=\n\"block\";d.style.display=\"none\";break;case 1:a.style.display=\"none\",d.style.display=\"block\"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+\" MS (\"+n+\"-\"+o+\")\";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+\"px\";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+\" FPS (\"+p+\"-\"+q+\")\",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=\na+\"px\",m=b,r=0);return b},update:function(){l=this.end()}}};\"object\"===typeof module&&(module.exports=Stats);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/stats-js/build/stats.min.js\n// module id = 2\n// module chunks = 0","module.exports = require('./vendor/dat.gui')\nmodule.exports.color = require('./vendor/dat.color')\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/index.js\n// module id = 3\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.gui = dat.gui || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\n/** @namespace */\ndat.controllers = dat.controllers || {};\n\n/** @namespace */\ndat.dom = dat.dom || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\ndat.utils.css = (function () {\n return {\n load: function (url, doc) {\n doc = doc || document;\n var link = doc.createElement('link');\n link.type = 'text/css';\n link.rel = 'stylesheet';\n link.href = url;\n doc.getElementsByTagName('head')[0].appendChild(link);\n },\n inject: function(css, doc) {\n doc = doc || document;\n var injected = document.createElement('style');\n injected.type = 'text/css';\n injected.innerHTML = css;\n doc.getElementsByTagName('head')[0].appendChild(injected);\n }\n }\n})();\n\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.controllers.Controller = (function (common) {\n\n /**\n * @class An \"abstract\" class that represents a given property of an object.\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var Controller = function(object, property) {\n\n this.initialValue = object[property];\n\n /**\n * Those who extend this class will put their DOM elements in here.\n * @type {DOMElement}\n */\n this.domElement = document.createElement('div');\n\n /**\n * The object to manipulate\n * @type {Object}\n */\n this.object = object;\n\n /**\n * The name of the property to manipulate\n * @type {String}\n */\n this.property = property;\n\n /**\n * The function to be called on change.\n * @type {Function}\n * @ignore\n */\n this.__onChange = undefined;\n\n /**\n * The function to be called on finishing change.\n * @type {Function}\n * @ignore\n */\n this.__onFinishChange = undefined;\n\n };\n\n common.extend(\n\n Controller.prototype,\n\n /** @lends dat.controllers.Controller.prototype */\n {\n\n /**\n * Specify that a function fire every time someone changes the value with\n * this Controller.\n *\n * @param {Function} fnc This function will be called whenever the value\n * is modified via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onChange: function(fnc) {\n this.__onChange = fnc;\n return this;\n },\n\n /**\n * Specify that a function fire every time someone \"finishes\" changing\n * the value wih this Controller. Useful for values that change\n * incrementally like numbers or strings.\n *\n * @param {Function} fnc This function will be called whenever\n * someone \"finishes\" changing the value via this Controller.\n * @returns {dat.controllers.Controller} this\n */\n onFinishChange: function(fnc) {\n this.__onFinishChange = fnc;\n return this;\n },\n\n /**\n * Change the value of object[property]\n *\n * @param {Object} newValue The new value of object[property]\n */\n setValue: function(newValue) {\n this.object[this.property] = newValue;\n if (this.__onChange) {\n this.__onChange.call(this, newValue);\n }\n this.updateDisplay();\n return this;\n },\n\n /**\n * Gets the value of object[property]\n *\n * @returns {Object} The current value of object[property]\n */\n getValue: function() {\n return this.object[this.property];\n },\n\n /**\n * Refreshes the visual display of a Controller in order to keep sync\n * with the object's current value.\n * @returns {dat.controllers.Controller} this\n */\n updateDisplay: function() {\n return this;\n },\n\n /**\n * @returns {Boolean} true if the value has deviated from initialValue\n */\n isModified: function() {\n return this.initialValue !== this.getValue()\n }\n\n }\n\n );\n\n return Controller;\n\n\n})(dat.utils.common);\n\n\ndat.dom.dom = (function (common) {\n\n var EVENT_MAP = {\n 'HTMLEvents': ['change'],\n 'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],\n 'KeyboardEvents': ['keydown']\n };\n\n var EVENT_MAP_INV = {};\n common.each(EVENT_MAP, function(v, k) {\n common.each(v, function(e) {\n EVENT_MAP_INV[e] = k;\n });\n });\n\n var CSS_VALUE_PIXELS = /(\\d+(\\.\\d+)?)px/;\n\n function cssValueToPixels(val) {\n\n if (val === '0' || common.isUndefined(val)) return 0;\n\n var match = val.match(CSS_VALUE_PIXELS);\n\n if (!common.isNull(match)) {\n return parseFloat(match[1]);\n }\n\n // TODO ...ems? %?\n\n return 0;\n\n }\n\n /**\n * @namespace\n * @member dat.dom\n */\n var dom = {\n\n /**\n * \n * @param elem\n * @param selectable\n */\n makeSelectable: function(elem, selectable) {\n\n if (elem === undefined || elem.style === undefined) return;\n\n elem.onselectstart = selectable ? function() {\n return false;\n } : function() {\n };\n\n elem.style.MozUserSelect = selectable ? 'auto' : 'none';\n elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';\n elem.unselectable = selectable ? 'on' : 'off';\n\n },\n\n /**\n *\n * @param elem\n * @param horizontal\n * @param vertical\n */\n makeFullscreen: function(elem, horizontal, vertical) {\n\n if (common.isUndefined(horizontal)) horizontal = true;\n if (common.isUndefined(vertical)) vertical = true;\n\n elem.style.position = 'absolute';\n\n if (horizontal) {\n elem.style.left = 0;\n elem.style.right = 0;\n }\n if (vertical) {\n elem.style.top = 0;\n elem.style.bottom = 0;\n }\n\n },\n\n /**\n *\n * @param elem\n * @param eventType\n * @param params\n */\n fakeEvent: function(elem, eventType, params, aux) {\n params = params || {};\n var className = EVENT_MAP_INV[eventType];\n if (!className) {\n throw new Error('Event type ' + eventType + ' not supported.');\n }\n var evt = document.createEvent(className);\n switch (className) {\n case 'MouseEvents':\n var clientX = params.x || params.clientX || 0;\n var clientY = params.y || params.clientY || 0;\n evt.initMouseEvent(eventType, params.bubbles || false,\n params.cancelable || true, window, params.clickCount || 1,\n 0, //screen X\n 0, //screen Y\n clientX, //client X\n clientY, //client Y\n false, false, false, false, 0, null);\n break;\n case 'KeyboardEvents':\n var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz\n common.defaults(params, {\n cancelable: true,\n ctrlKey: false,\n altKey: false,\n shiftKey: false,\n metaKey: false,\n keyCode: undefined,\n charCode: undefined\n });\n init(eventType, params.bubbles || false,\n params.cancelable, window,\n params.ctrlKey, params.altKey,\n params.shiftKey, params.metaKey,\n params.keyCode, params.charCode);\n break;\n default:\n evt.initEvent(eventType, params.bubbles || false,\n params.cancelable || true);\n break;\n }\n common.defaults(evt, aux);\n elem.dispatchEvent(evt);\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n bind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.addEventListener)\n elem.addEventListener(event, func, bool);\n else if (elem.attachEvent)\n elem.attachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param event\n * @param func\n * @param bool\n */\n unbind: function(elem, event, func, bool) {\n bool = bool || false;\n if (elem.removeEventListener)\n elem.removeEventListener(event, func, bool);\n else if (elem.detachEvent)\n elem.detachEvent('on' + event, func);\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n addClass: function(elem, className) {\n if (elem.className === undefined) {\n elem.className = className;\n } else if (elem.className !== className) {\n var classes = elem.className.split(/ +/);\n if (classes.indexOf(className) == -1) {\n classes.push(className);\n elem.className = classes.join(' ').replace(/^\\s+/, '').replace(/\\s+$/, '');\n }\n }\n return dom;\n },\n\n /**\n *\n * @param elem\n * @param className\n */\n removeClass: function(elem, className) {\n if (className) {\n if (elem.className === undefined) {\n // elem.className = className;\n } else if (elem.className === className) {\n elem.removeAttribute('class');\n } else {\n var classes = elem.className.split(/ +/);\n var index = classes.indexOf(className);\n if (index != -1) {\n classes.splice(index, 1);\n elem.className = classes.join(' ');\n }\n }\n } else {\n elem.className = undefined;\n }\n return dom;\n },\n\n hasClass: function(elem, className) {\n return new RegExp('(?:^|\\\\s+)' + className + '(?:\\\\s+|$)').test(elem.className) || false;\n },\n\n /**\n *\n * @param elem\n */\n getWidth: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-left-width']) +\n cssValueToPixels(style['border-right-width']) +\n cssValueToPixels(style['padding-left']) +\n cssValueToPixels(style['padding-right']) +\n cssValueToPixels(style['width']);\n },\n\n /**\n *\n * @param elem\n */\n getHeight: function(elem) {\n\n var style = getComputedStyle(elem);\n\n return cssValueToPixels(style['border-top-width']) +\n cssValueToPixels(style['border-bottom-width']) +\n cssValueToPixels(style['padding-top']) +\n cssValueToPixels(style['padding-bottom']) +\n cssValueToPixels(style['height']);\n },\n\n /**\n *\n * @param elem\n */\n getOffset: function(elem) {\n var offset = {left: 0, top:0};\n if (elem.offsetParent) {\n do {\n offset.left += elem.offsetLeft;\n offset.top += elem.offsetTop;\n } while (elem = elem.offsetParent);\n }\n return offset;\n },\n\n // http://stackoverflow.com/posts/2684561/revisions\n /**\n * \n * @param elem\n */\n isActive: function(elem) {\n return elem === document.activeElement && ( elem.type || elem.href );\n }\n\n };\n\n return dom;\n\n})(dat.utils.common);\n\n\ndat.controllers.OptionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a select input to alter the property of an object, using a\n * list of accepted values.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object|string[]} options A map of labels to acceptable values, or\n * a list of acceptable string values.\n *\n * @member dat.controllers\n */\n var OptionController = function(object, property, options) {\n\n OptionController.superclass.call(this, object, property);\n\n var _this = this;\n\n /**\n * The drop down menu\n * @ignore\n */\n this.__select = document.createElement('select');\n\n if (common.isArray(options)) {\n var map = {};\n common.each(options, function(element) {\n map[element] = element;\n });\n options = map;\n }\n\n common.each(options, function(value, key) {\n\n var opt = document.createElement('option');\n opt.innerHTML = key;\n opt.setAttribute('value', value);\n _this.__select.appendChild(opt);\n\n });\n\n // Acknowledge original value\n this.updateDisplay();\n\n dom.bind(this.__select, 'change', function() {\n var desiredValue = this.options[this.selectedIndex].value;\n _this.setValue(desiredValue);\n });\n\n this.domElement.appendChild(this.__select);\n\n };\n\n OptionController.superclass = Controller;\n\n common.extend(\n\n OptionController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = OptionController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n return toReturn;\n },\n\n updateDisplay: function() {\n this.__select.value = this.getValue();\n return OptionController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return OptionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberController = (function (Controller, common) {\n\n /**\n * @class Represents a given property of an object that is a number.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberController = function(object, property, params) {\n\n NumberController.superclass.call(this, object, property);\n\n params = params || {};\n\n this.__min = params.min;\n this.__max = params.max;\n this.__step = params.step;\n\n if (common.isUndefined(this.__step)) {\n\n if (this.initialValue == 0) {\n this.__impliedStep = 1; // What are we, psychics?\n } else {\n // Hey Doug, check this out.\n this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;\n }\n\n } else {\n\n this.__impliedStep = this.__step;\n\n }\n\n this.__precision = numDecimals(this.__impliedStep);\n\n\n };\n\n NumberController.superclass = Controller;\n\n common.extend(\n\n NumberController.prototype,\n Controller.prototype,\n\n /** @lends dat.controllers.NumberController.prototype */\n {\n\n setValue: function(v) {\n\n if (this.__min !== undefined && v < this.__min) {\n v = this.__min;\n } else if (this.__max !== undefined && v > this.__max) {\n v = this.__max;\n }\n\n if (this.__step !== undefined && v % this.__step != 0) {\n v = Math.round(v / this.__step) * this.__step;\n }\n\n return NumberController.superclass.prototype.setValue.call(this, v);\n\n },\n\n /**\n * Specify a minimum value for object[property].\n *\n * @param {Number} minValue The minimum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n min: function(v) {\n this.__min = v;\n return this;\n },\n\n /**\n * Specify a maximum value for object[property].\n *\n * @param {Number} maxValue The maximum value for\n * object[property]\n * @returns {dat.controllers.NumberController} this\n */\n max: function(v) {\n this.__max = v;\n return this;\n },\n\n /**\n * Specify a step value that dat.controllers.NumberController\n * increments by.\n *\n * @param {Number} stepValue The step value for\n * dat.controllers.NumberController\n * @default if minimum and maximum specified increment is 1% of the\n * difference otherwise stepValue is 1\n * @returns {dat.controllers.NumberController} this\n */\n step: function(v) {\n this.__step = v;\n return this;\n }\n\n }\n\n );\n\n function numDecimals(x) {\n x = x.toString();\n if (x.indexOf('.') > -1) {\n return x.length - x.indexOf('.') - 1;\n } else {\n return 0;\n }\n }\n\n return NumberController;\n\n})(dat.controllers.Controller,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerBox = (function (NumberController, dom, common) {\n\n /**\n * @class Represents a given property of an object that is a number and\n * provides an input element with which to manipulate it.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Object} [params] Optional parameters\n * @param {Number} [params.min] Minimum allowed value\n * @param {Number} [params.max] Maximum allowed value\n * @param {Number} [params.step] Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerBox = function(object, property, params) {\n\n this.__truncationSuspended = false;\n\n NumberControllerBox.superclass.call(this, object, property, params);\n\n var _this = this;\n\n /**\n * {Number} Previous mouse y position\n * @ignore\n */\n var prev_y;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n // Makes it so manually specified values are not truncated.\n\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'mousedown', onMouseDown);\n dom.bind(this.__input, 'keydown', function(e) {\n\n // When pressing entire, you can be as precise as you want.\n if (e.keyCode === 13) {\n _this.__truncationSuspended = true;\n this.blur();\n _this.__truncationSuspended = false;\n }\n\n });\n\n function onChange() {\n var attempted = parseFloat(_this.__input.value);\n if (!common.isNaN(attempted)) _this.setValue(attempted);\n }\n\n function onBlur() {\n onChange();\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n function onMouseDown(e) {\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n prev_y = e.clientY;\n }\n\n function onMouseDrag(e) {\n\n var diff = prev_y - e.clientY;\n _this.setValue(_this.getValue() + diff * _this.__impliedStep);\n\n prev_y = e.clientY;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n NumberControllerBox.superclass = NumberController;\n\n common.extend(\n\n NumberControllerBox.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n\n this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);\n return NumberControllerBox.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n function roundToDecimal(value, decimals) {\n var tenTo = Math.pow(10, decimals);\n return Math.round(value * tenTo) / tenTo;\n }\n\n return NumberControllerBox;\n\n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {\n\n /**\n * @class Represents a given property of an object that is a number, contains\n * a minimum and maximum, and provides a slider element with which to\n * manipulate it. It should be noted that the slider element is made up of\n * <div> tags, not the html5\n * <slider> element.\n *\n * @extends dat.controllers.Controller\n * @extends dat.controllers.NumberController\n * \n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n * @param {Number} minValue Minimum allowed value\n * @param {Number} maxValue Maximum allowed value\n * @param {Number} stepValue Increment by which to change value\n *\n * @member dat.controllers\n */\n var NumberControllerSlider = function(object, property, min, max, step) {\n\n NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });\n\n var _this = this;\n\n this.__background = document.createElement('div');\n this.__foreground = document.createElement('div');\n \n\n\n dom.bind(this.__background, 'mousedown', onMouseDown);\n \n dom.addClass(this.__background, 'slider');\n dom.addClass(this.__foreground, 'slider-fg');\n\n function onMouseDown(e) {\n\n dom.bind(window, 'mousemove', onMouseDrag);\n dom.bind(window, 'mouseup', onMouseUp);\n\n onMouseDrag(e);\n }\n\n function onMouseDrag(e) {\n\n e.preventDefault();\n\n var offset = dom.getOffset(_this.__background);\n var width = dom.getWidth(_this.__background);\n \n _this.setValue(\n map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)\n );\n\n return false;\n\n }\n\n function onMouseUp() {\n dom.unbind(window, 'mousemove', onMouseDrag);\n dom.unbind(window, 'mouseup', onMouseUp);\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.__background.appendChild(this.__foreground);\n this.domElement.appendChild(this.__background);\n\n };\n\n NumberControllerSlider.superclass = NumberController;\n\n /**\n * Injects default stylesheet for slider elements.\n */\n NumberControllerSlider.useDefaultStyles = function() {\n css.inject(styleSheet);\n };\n\n common.extend(\n\n NumberControllerSlider.prototype,\n NumberController.prototype,\n\n {\n\n updateDisplay: function() {\n var pct = (this.getValue() - this.__min)/(this.__max - this.__min);\n this.__foreground.style.width = pct*100+'%';\n return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n\n\n );\n\n function map(v, i1, i2, o1, o2) {\n return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));\n }\n\n return NumberControllerSlider;\n \n})(dat.controllers.NumberController,\ndat.dom.dom,\ndat.utils.css,\ndat.utils.common,\n\".slider {\\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\\n height: 1em;\\n border-radius: 1em;\\n background-color: #eee;\\n padding: 0 0.5em;\\n overflow: hidden;\\n}\\n\\n.slider-fg {\\n padding: 1px 0 2px 0;\\n background-color: #aaa;\\n height: 1em;\\n margin-left: -0.5em;\\n padding-right: 0.5em;\\n border-radius: 1em 0 0 1em;\\n}\\n\\n.slider-fg:after {\\n display: inline-block;\\n border-radius: 1em;\\n background-color: #fff;\\n border: 1px solid #aaa;\\n content: '';\\n float: right;\\n margin-right: -1em;\\n margin-top: -1px;\\n height: 0.9em;\\n width: 0.9em;\\n}\");\n\n\ndat.controllers.FunctionController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a GUI interface to fire a specified method, a property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var FunctionController = function(object, property, text) {\n\n FunctionController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__button = document.createElement('div');\n this.__button.innerHTML = text === undefined ? 'Fire' : text;\n dom.bind(this.__button, 'click', function(e) {\n e.preventDefault();\n _this.fire();\n return false;\n });\n\n dom.addClass(this.__button, 'button');\n\n this.domElement.appendChild(this.__button);\n\n\n };\n\n FunctionController.superclass = Controller;\n\n common.extend(\n\n FunctionController.prototype,\n Controller.prototype,\n {\n \n fire: function() {\n if (this.__onChange) {\n this.__onChange.call(this);\n }\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.getValue().call(this.object);\n }\n }\n\n );\n\n return FunctionController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.controllers.BooleanController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a checkbox input to alter the boolean property of an object.\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var BooleanController = function(object, property) {\n\n BooleanController.superclass.call(this, object, property);\n\n var _this = this;\n this.__prev = this.getValue();\n\n this.__checkbox = document.createElement('input');\n this.__checkbox.setAttribute('type', 'checkbox');\n\n\n dom.bind(this.__checkbox, 'change', onChange, false);\n\n this.domElement.appendChild(this.__checkbox);\n\n // Match original value\n this.updateDisplay();\n\n function onChange() {\n _this.setValue(!_this.__prev);\n }\n\n };\n\n BooleanController.superclass = Controller;\n\n common.extend(\n\n BooleanController.prototype,\n Controller.prototype,\n\n {\n\n setValue: function(v) {\n var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);\n if (this.__onFinishChange) {\n this.__onFinishChange.call(this, this.getValue());\n }\n this.__prev = this.getValue();\n return toReturn;\n },\n\n updateDisplay: function() {\n \n if (this.getValue() === true) {\n this.__checkbox.setAttribute('checked', 'checked');\n this.__checkbox.checked = true; \n } else {\n this.__checkbox.checked = false;\n }\n\n return BooleanController.superclass.prototype.updateDisplay.call(this);\n\n }\n\n\n }\n\n );\n\n return BooleanController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common);\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common);\n\n\ndat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {\n\n css.inject(styleSheet);\n\n /** Outer-most className for GUI's */\n var CSS_NAMESPACE = 'dg';\n\n var HIDE_KEY_CODE = 72;\n\n /** The only value shared between the JS and SCSS. Use caution. */\n var CLOSE_BUTTON_HEIGHT = 20;\n\n var DEFAULT_DEFAULT_PRESET_NAME = 'Default';\n\n var SUPPORTS_LOCAL_STORAGE = (function() {\n try {\n return 'localStorage' in window && window['localStorage'] !== null;\n } catch (e) {\n return false;\n }\n })();\n\n var SAVE_DIALOGUE;\n\n /** Have we yet to create an autoPlace GUI? */\n var auto_place_virgin = true;\n\n /** Fixed position div that auto place GUI's go inside */\n var auto_place_container;\n\n /** Are we hiding the GUI's ? */\n var hide = false;\n\n /** GUI's which should be hidden */\n var hideable_guis = [];\n\n /**\n * A lightweight controller library for JavaScript. It allows you to easily\n * manipulate variables and fire functions on the fly.\n * @class\n *\n * @member dat.gui\n *\n * @param {Object} [params]\n * @param {String} [params.name] The name of this GUI.\n * @param {Object} [params.load] JSON object representing the saved state of\n * this GUI.\n * @param {Boolean} [params.auto=true]\n * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.\n * @param {Boolean} [params.closed] If true, starts closed\n */\n var GUI = function(params) {\n\n var _this = this;\n\n /**\n * Outermost DOM Element\n * @type DOMElement\n */\n this.domElement = document.createElement('div');\n this.__ul = document.createElement('ul');\n this.domElement.appendChild(this.__ul);\n\n dom.addClass(this.domElement, CSS_NAMESPACE);\n\n /**\n * Nested GUI's by name\n * @ignore\n */\n this.__folders = {};\n\n this.__controllers = [];\n\n /**\n * List of objects I'm remembering for save, only used in top level GUI\n * @ignore\n */\n this.__rememberedObjects = [];\n\n /**\n * Maps the index of remembered objects to a map of controllers, only used\n * in top level GUI.\n *\n * @private\n * @ignore\n *\n * @example\n * [\n * {\n * propertyName: Controller,\n * anotherPropertyName: Controller\n * },\n * {\n * propertyName: Controller\n * }\n * ]\n */\n this.__rememberedObjectIndecesToControllers = [];\n\n this.__listening = [];\n\n params = params || {};\n\n // Default parameters\n params = common.defaults(params, {\n autoPlace: true,\n width: GUI.DEFAULT_WIDTH\n });\n\n params = common.defaults(params, {\n resizable: params.autoPlace,\n hideable: params.autoPlace\n });\n\n\n if (!common.isUndefined(params.load)) {\n\n // Explicit preset\n if (params.preset) params.load.preset = params.preset;\n\n } else {\n\n params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };\n\n }\n\n if (common.isUndefined(params.parent) && params.hideable) {\n hideable_guis.push(this);\n }\n\n // Only root level GUI's are resizable.\n params.resizable = common.isUndefined(params.parent) && params.resizable;\n\n\n if (params.autoPlace && common.isUndefined(params.scrollable)) {\n params.scrollable = true;\n }\n// params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;\n\n // Not part of params because I don't want people passing this in via\n // constructor. Should be a 'remembered' value.\n var use_local_storage =\n SUPPORTS_LOCAL_STORAGE &&\n localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';\n\n Object.defineProperties(this,\n\n /** @lends dat.gui.GUI.prototype */\n {\n\n /**\n * The parent GUI\n * @type dat.gui.GUI\n */\n parent: {\n get: function() {\n return params.parent;\n }\n },\n\n scrollable: {\n get: function() {\n return params.scrollable;\n }\n },\n\n /**\n * Handles GUI's element placement for you\n * @type Boolean\n */\n autoPlace: {\n get: function() {\n return params.autoPlace;\n }\n },\n\n /**\n * The identifier for a set of saved values\n * @type String\n */\n preset: {\n\n get: function() {\n if (_this.parent) {\n return _this.getRoot().preset;\n } else {\n return params.load.preset;\n }\n },\n\n set: function(v) {\n if (_this.parent) {\n _this.getRoot().preset = v;\n } else {\n params.load.preset = v;\n }\n setPresetSelectIndex(this);\n _this.revert();\n }\n\n },\n\n /**\n * The width of GUI element\n * @type Number\n */\n width: {\n get: function() {\n return params.width;\n },\n set: function(v) {\n params.width = v;\n setWidth(_this, v);\n }\n },\n\n /**\n * The name of GUI. Used for folders. i.e\n * a folder's name\n * @type String\n */\n name: {\n get: function() {\n return params.name;\n },\n set: function(v) {\n // TODO Check for collisions among sibling folders\n params.name = v;\n if (title_row_name) {\n title_row_name.innerHTML = params.name;\n }\n }\n },\n\n /**\n * Whether the GUI is collapsed or not\n * @type Boolean\n */\n closed: {\n get: function() {\n return params.closed;\n },\n set: function(v) {\n params.closed = v;\n if (params.closed) {\n dom.addClass(_this.__ul, GUI.CLASS_CLOSED);\n } else {\n dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);\n }\n // For browsers that aren't going to respect the CSS transition,\n // Lets just check our height against the window height right off\n // the bat.\n this.onResize();\n\n if (_this.__closeButton) {\n _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;\n }\n }\n },\n\n /**\n * Contains all presets\n * @type Object\n */\n load: {\n get: function() {\n return params.load;\n }\n },\n\n /**\n * Determines whether or not to use localStorage as the means for\n * remembering\n * @type Boolean\n */\n useLocalStorage: {\n\n get: function() {\n return use_local_storage;\n },\n set: function(bool) {\n if (SUPPORTS_LOCAL_STORAGE) {\n use_local_storage = bool;\n if (bool) {\n dom.bind(window, 'unload', saveToLocalStorage);\n } else {\n dom.unbind(window, 'unload', saveToLocalStorage);\n }\n localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);\n }\n }\n\n }\n\n });\n\n // Are we a root level GUI?\n if (common.isUndefined(params.parent)) {\n\n params.closed = false;\n\n dom.addClass(this.domElement, GUI.CLASS_MAIN);\n dom.makeSelectable(this.domElement, false);\n\n // Are we supposed to be loading locally?\n if (SUPPORTS_LOCAL_STORAGE) {\n\n if (use_local_storage) {\n\n _this.useLocalStorage = true;\n\n var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));\n\n if (saved_gui) {\n params.load = JSON.parse(saved_gui);\n }\n\n }\n\n }\n\n this.__closeButton = document.createElement('div');\n this.__closeButton.innerHTML = GUI.TEXT_CLOSED;\n dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);\n this.domElement.appendChild(this.__closeButton);\n\n dom.bind(this.__closeButton, 'click', function() {\n\n _this.closed = !_this.closed;\n\n\n });\n\n\n // Oh, you're a nested GUI!\n } else {\n\n if (params.closed === undefined) {\n params.closed = true;\n }\n\n var title_row_name = document.createTextNode(params.name);\n dom.addClass(title_row_name, 'controller-name');\n\n var title_row = addRow(_this, title_row_name);\n\n var on_click_title = function(e) {\n e.preventDefault();\n _this.closed = !_this.closed;\n return false;\n };\n\n dom.addClass(this.__ul, GUI.CLASS_CLOSED);\n\n dom.addClass(title_row, 'title');\n dom.bind(title_row, 'click', on_click_title);\n\n if (!params.closed) {\n this.closed = false;\n }\n\n }\n\n if (params.autoPlace) {\n\n if (common.isUndefined(params.parent)) {\n\n if (auto_place_virgin) {\n auto_place_container = document.createElement('div');\n dom.addClass(auto_place_container, CSS_NAMESPACE);\n dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);\n document.body.appendChild(auto_place_container);\n auto_place_virgin = false;\n }\n\n // Put it in the dom for you.\n auto_place_container.appendChild(this.domElement);\n\n // Apply the auto styles\n dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);\n\n }\n\n\n // Make it not elastic.\n if (!this.parent) setWidth(_this, params.width);\n\n }\n\n dom.bind(window, 'resize', function() { _this.onResize() });\n dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });\n dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });\n dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });\n this.onResize();\n\n\n if (params.resizable) {\n addResizeHandle(this);\n }\n\n function saveToLocalStorage() {\n localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));\n }\n\n var root = _this.getRoot();\n function resetWidth() {\n var root = _this.getRoot();\n root.width += 1;\n common.defer(function() {\n root.width -= 1;\n });\n }\n\n if (!params.parent) {\n resetWidth();\n }\n\n };\n\n GUI.toggleHide = function() {\n\n hide = !hide;\n common.each(hideable_guis, function(gui) {\n gui.domElement.style.zIndex = hide ? -999 : 999;\n gui.domElement.style.opacity = hide ? 0 : 1;\n });\n };\n\n GUI.CLASS_AUTO_PLACE = 'a';\n GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';\n GUI.CLASS_MAIN = 'main';\n GUI.CLASS_CONTROLLER_ROW = 'cr';\n GUI.CLASS_TOO_TALL = 'taller-than-window';\n GUI.CLASS_CLOSED = 'closed';\n GUI.CLASS_CLOSE_BUTTON = 'close-button';\n GUI.CLASS_DRAG = 'drag';\n\n GUI.DEFAULT_WIDTH = 245;\n GUI.TEXT_CLOSED = 'Close Controls';\n GUI.TEXT_OPEN = 'Open Controls';\n\n dom.bind(window, 'keydown', function(e) {\n\n if (document.activeElement.type !== 'text' &&\n (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {\n GUI.toggleHide();\n }\n\n }, false);\n\n common.extend(\n\n GUI.prototype,\n\n /** @lends dat.gui.GUI */\n {\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.Controller} The new controller that was added.\n * @instance\n */\n add: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n factoryArgs: Array.prototype.slice.call(arguments, 2)\n }\n );\n\n },\n\n /**\n * @param object\n * @param property\n * @returns {dat.controllers.ColorController} The new controller that was added.\n * @instance\n */\n addColor: function(object, property) {\n\n return add(\n this,\n object,\n property,\n {\n color: true\n }\n );\n\n },\n\n /**\n * @param controller\n * @instance\n */\n remove: function(controller) {\n\n // TODO listening?\n this.__ul.removeChild(controller.__li);\n this.__controllers.slice(this.__controllers.indexOf(controller), 1);\n var _this = this;\n common.defer(function() {\n _this.onResize();\n });\n\n },\n\n destroy: function() {\n\n if (this.autoPlace) {\n auto_place_container.removeChild(this.domElement);\n }\n\n },\n\n /**\n * @param name\n * @returns {dat.gui.GUI} The new folder.\n * @throws {Error} if this GUI already has a folder by the specified\n * name\n * @instance\n */\n addFolder: function(name) {\n\n // We have to prevent collisions on names in order to have a key\n // by which to remember saved values\n if (this.__folders[name] !== undefined) {\n throw new Error('You already have a folder in this GUI by the' +\n ' name \"' + name + '\"');\n }\n\n var new_gui_params = { name: name, parent: this };\n\n // We need to pass down the autoPlace trait so that we can\n // attach event listeners to open/close folder actions to\n // ensure that a scrollbar appears if the window is too short.\n new_gui_params.autoPlace = this.autoPlace;\n\n // Do we have saved appearance data for this folder?\n\n if (this.load && // Anything loaded?\n this.load.folders && // Was my parent a dead-end?\n this.load.folders[name]) { // Did daddy remember me?\n\n // Start me closed if I was closed\n new_gui_params.closed = this.load.folders[name].closed;\n\n // Pass down the loaded data\n new_gui_params.load = this.load.folders[name];\n\n }\n\n var gui = new GUI(new_gui_params);\n this.__folders[name] = gui;\n\n var li = addRow(this, gui.domElement);\n dom.addClass(li, 'folder');\n return gui;\n\n },\n\n open: function() {\n this.closed = false;\n },\n\n close: function() {\n this.closed = true;\n },\n\n onResize: function() {\n\n var root = this.getRoot();\n\n if (root.scrollable) {\n\n var top = dom.getOffset(root.__ul).top;\n var h = 0;\n\n common.each(root.__ul.childNodes, function(node) {\n if (! (root.autoPlace && node === root.__save_row))\n h += dom.getHeight(node);\n });\n\n if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {\n dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';\n } else {\n dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);\n root.__ul.style.height = 'auto';\n }\n\n }\n\n if (root.__resize_handle) {\n common.defer(function() {\n root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';\n });\n }\n\n if (root.__closeButton) {\n root.__closeButton.style.width = root.width + 'px';\n }\n\n },\n\n /**\n * Mark objects for saving. The order of these objects cannot change as\n * the GUI grows. When remembering new objects, append them to the end\n * of the list.\n *\n * @param {Object...} objects\n * @throws {Error} if not called on a top level GUI.\n * @instance\n */\n remember: function() {\n\n if (common.isUndefined(SAVE_DIALOGUE)) {\n SAVE_DIALOGUE = new CenteredDiv();\n SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;\n }\n\n if (this.parent) {\n throw new Error(\"You can only call remember on a top level GUI.\");\n }\n\n var _this = this;\n\n common.each(Array.prototype.slice.call(arguments), function(object) {\n if (_this.__rememberedObjects.length == 0) {\n addSaveMenu(_this);\n }\n if (_this.__rememberedObjects.indexOf(object) == -1) {\n _this.__rememberedObjects.push(object);\n }\n });\n\n if (this.autoPlace) {\n // Set save row width\n setWidth(this, this.width);\n }\n\n },\n\n /**\n * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.\n * @instance\n */\n getRoot: function() {\n var gui = this;\n while (gui.parent) {\n gui = gui.parent;\n }\n return gui;\n },\n\n /**\n * @returns {Object} a JSON object representing the current state of\n * this GUI as well as its remembered properties.\n * @instance\n */\n getSaveObject: function() {\n\n var toReturn = this.load;\n\n toReturn.closed = this.closed;\n\n // Am I remembering any values?\n if (this.__rememberedObjects.length > 0) {\n\n toReturn.preset = this.preset;\n\n if (!toReturn.remembered) {\n toReturn.remembered = {};\n }\n\n toReturn.remembered[this.preset] = getCurrentPreset(this);\n\n }\n\n toReturn.folders = {};\n common.each(this.__folders, function(element, key) {\n toReturn.folders[key] = element.getSaveObject();\n });\n\n return toReturn;\n\n },\n\n save: function() {\n\n if (!this.load.remembered) {\n this.load.remembered = {};\n }\n\n this.load.remembered[this.preset] = getCurrentPreset(this);\n markPresetModified(this, false);\n\n },\n\n saveAs: function(presetName) {\n\n if (!this.load.remembered) {\n\n // Retain default values upon first save\n this.load.remembered = {};\n this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);\n\n }\n\n this.load.remembered[presetName] = getCurrentPreset(this);\n this.preset = presetName;\n addPresetOption(this, presetName, true);\n\n },\n\n revert: function(gui) {\n\n common.each(this.__controllers, function(controller) {\n // Make revert work on Default.\n if (!this.getRoot().load.remembered) {\n controller.setValue(controller.initialValue);\n } else {\n recallSavedValue(gui || this.getRoot(), controller);\n }\n }, this);\n\n common.each(this.__folders, function(folder) {\n folder.revert(folder);\n });\n\n if (!gui) {\n markPresetModified(this.getRoot(), false);\n }\n\n\n },\n\n listen: function(controller) {\n\n var init = this.__listening.length == 0;\n this.__listening.push(controller);\n if (init) updateDisplays(this.__listening);\n\n }\n\n }\n\n );\n\n function add(gui, object, property, params) {\n\n if (object[property] === undefined) {\n throw new Error(\"Object \" + object + \" has no property \\\"\" + property + \"\\\"\");\n }\n\n var controller;\n\n if (params.color) {\n\n controller = new ColorController(object, property);\n\n } else {\n\n var factoryArgs = [object,property].concat(params.factoryArgs);\n controller = controllerFactory.apply(gui, factoryArgs);\n\n }\n\n if (params.before instanceof Controller) {\n params.before = params.before.__li;\n }\n\n recallSavedValue(gui, controller);\n\n dom.addClass(controller.domElement, 'c');\n\n var name = document.createElement('span');\n dom.addClass(name, 'property-name');\n name.innerHTML = controller.property;\n\n var container = document.createElement('div');\n container.appendChild(name);\n container.appendChild(controller.domElement);\n\n var li = addRow(gui, container, params.before);\n\n dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);\n dom.addClass(li, typeof controller.getValue());\n\n augmentController(gui, li, controller);\n\n gui.__controllers.push(controller);\n\n return controller;\n\n }\n\n /**\n * Add a row to the end of the GUI or before another row.\n *\n * @param gui\n * @param [dom] If specified, inserts the dom content in the new row\n * @param [liBefore] If specified, places the new row before another row\n */\n function addRow(gui, dom, liBefore) {\n var li = document.createElement('li');\n if (dom) li.appendChild(dom);\n if (liBefore) {\n gui.__ul.insertBefore(li, params.before);\n } else {\n gui.__ul.appendChild(li);\n }\n gui.onResize();\n return li;\n }\n\n function augmentController(gui, li, controller) {\n\n controller.__li = li;\n controller.__gui = gui;\n\n common.extend(controller, {\n\n options: function(options) {\n\n if (arguments.length > 1) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [common.toArray(arguments)]\n }\n );\n\n }\n\n if (common.isArray(options) || common.isObject(options)) {\n controller.remove();\n\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [options]\n }\n );\n\n }\n\n },\n\n name: function(v) {\n controller.__li.firstElementChild.firstElementChild.innerHTML = v;\n return controller;\n },\n\n listen: function() {\n controller.__gui.listen(controller);\n return controller;\n },\n\n remove: function() {\n controller.__gui.remove(controller);\n return controller;\n }\n\n });\n\n // All sliders should be accompanied by a box.\n if (controller instanceof NumberControllerSlider) {\n\n var box = new NumberControllerBox(controller.object, controller.property,\n { min: controller.__min, max: controller.__max, step: controller.__step });\n\n common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {\n var pc = controller[method];\n var pb = box[method];\n controller[method] = box[method] = function() {\n var args = Array.prototype.slice.call(arguments);\n pc.apply(controller, args);\n return pb.apply(box, args);\n }\n });\n\n dom.addClass(li, 'has-slider');\n controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);\n\n }\n else if (controller instanceof NumberControllerBox) {\n\n var r = function(returned) {\n\n // Have we defined both boundaries?\n if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {\n\n // Well, then lets just replace this with a slider.\n controller.remove();\n return add(\n gui,\n controller.object,\n controller.property,\n {\n before: controller.__li.nextElementSibling,\n factoryArgs: [controller.__min, controller.__max, controller.__step]\n });\n\n }\n\n return returned;\n\n };\n\n controller.min = common.compose(r, controller.min);\n controller.max = common.compose(r, controller.max);\n\n }\n else if (controller instanceof BooleanController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__checkbox, 'click');\n });\n\n dom.bind(controller.__checkbox, 'click', function(e) {\n e.stopPropagation(); // Prevents double-toggle\n })\n\n }\n else if (controller instanceof FunctionController) {\n\n dom.bind(li, 'click', function() {\n dom.fakeEvent(controller.__button, 'click');\n });\n\n dom.bind(li, 'mouseover', function() {\n dom.addClass(controller.__button, 'hover');\n });\n\n dom.bind(li, 'mouseout', function() {\n dom.removeClass(controller.__button, 'hover');\n });\n\n }\n else if (controller instanceof ColorController) {\n\n dom.addClass(li, 'color');\n controller.updateDisplay = common.compose(function(r) {\n li.style.borderLeftColor = controller.__color.toString();\n return r;\n }, controller.updateDisplay);\n\n controller.updateDisplay();\n\n }\n\n controller.setValue = common.compose(function(r) {\n if (gui.getRoot().__preset_select && controller.isModified()) {\n markPresetModified(gui.getRoot(), true);\n }\n return r;\n }, controller.setValue);\n\n }\n\n function recallSavedValue(gui, controller) {\n\n // Find the topmost GUI, that's where remembered objects live.\n var root = gui.getRoot();\n\n // Does the object we're controlling match anything we've been told to\n // remember?\n var matched_index = root.__rememberedObjects.indexOf(controller.object);\n\n // Why yes, it does!\n if (matched_index != -1) {\n\n // Let me fetch a map of controllers for thcommon.isObject.\n var controller_map =\n root.__rememberedObjectIndecesToControllers[matched_index];\n\n // Ohp, I believe this is the first controller we've created for this\n // object. Lets make the map fresh.\n if (controller_map === undefined) {\n controller_map = {};\n root.__rememberedObjectIndecesToControllers[matched_index] =\n controller_map;\n }\n\n // Keep track of this controller\n controller_map[controller.property] = controller;\n\n // Okay, now have we saved any values for this controller?\n if (root.load && root.load.remembered) {\n\n var preset_map = root.load.remembered;\n\n // Which preset are we trying to load?\n var preset;\n\n if (preset_map[gui.preset]) {\n\n preset = preset_map[gui.preset];\n\n } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {\n\n // Uhh, you can have the default instead?\n preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];\n\n } else {\n\n // Nada.\n\n return;\n\n }\n\n\n // Did the loaded object remember thcommon.isObject?\n if (preset[matched_index] &&\n\n // Did we remember this particular property?\n preset[matched_index][controller.property] !== undefined) {\n\n // We did remember something for this guy ...\n var value = preset[matched_index][controller.property];\n\n // And that's what it is.\n controller.initialValue = value;\n controller.setValue(value);\n\n }\n\n }\n\n }\n\n }\n\n function getLocalStorageHash(gui, key) {\n // TODO how does this deal with multiple GUI's?\n return document.location.href + '.' + key;\n\n }\n\n function addSaveMenu(gui) {\n\n var div = gui.__save_row = document.createElement('li');\n\n dom.addClass(gui.domElement, 'has-save');\n\n gui.__ul.insertBefore(div, gui.__ul.firstChild);\n\n dom.addClass(div, 'save-row');\n\n var gears = document.createElement('span');\n gears.innerHTML = ' ';\n dom.addClass(gears, 'button gears');\n\n // TODO replace with FunctionController\n var button = document.createElement('span');\n button.innerHTML = 'Save';\n dom.addClass(button, 'button');\n dom.addClass(button, 'save');\n\n var button2 = document.createElement('span');\n button2.innerHTML = 'New';\n dom.addClass(button2, 'button');\n dom.addClass(button2, 'save-as');\n\n var button3 = document.createElement('span');\n button3.innerHTML = 'Revert';\n dom.addClass(button3, 'button');\n dom.addClass(button3, 'revert');\n\n var select = gui.__preset_select = document.createElement('select');\n\n if (gui.load && gui.load.remembered) {\n\n common.each(gui.load.remembered, function(value, key) {\n addPresetOption(gui, key, key == gui.preset);\n });\n\n } else {\n addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);\n }\n\n dom.bind(select, 'change', function() {\n\n\n for (var index = 0; index < gui.__preset_select.length; index++) {\n gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;\n }\n\n gui.preset = this.value;\n\n });\n\n div.appendChild(select);\n div.appendChild(gears);\n div.appendChild(button);\n div.appendChild(button2);\n div.appendChild(button3);\n\n if (SUPPORTS_LOCAL_STORAGE) {\n\n var saveLocally = document.getElementById('dg-save-locally');\n var explain = document.getElementById('dg-local-explain');\n\n saveLocally.style.display = 'block';\n\n var localStorageCheckBox = document.getElementById('dg-local-storage');\n\n if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {\n localStorageCheckBox.setAttribute('checked', 'checked');\n }\n\n function showHideExplain() {\n explain.style.display = gui.useLocalStorage ? 'block' : 'none';\n }\n\n showHideExplain();\n\n // TODO: Use a boolean controller, fool!\n dom.bind(localStorageCheckBox, 'change', function() {\n gui.useLocalStorage = !gui.useLocalStorage;\n showHideExplain();\n });\n\n }\n\n var newConstructorTextArea = document.getElementById('dg-new-constructor');\n\n dom.bind(newConstructorTextArea, 'keydown', function(e) {\n if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {\n SAVE_DIALOGUE.hide();\n }\n });\n\n dom.bind(gears, 'click', function() {\n newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);\n SAVE_DIALOGUE.show();\n newConstructorTextArea.focus();\n newConstructorTextArea.select();\n });\n\n dom.bind(button, 'click', function() {\n gui.save();\n });\n\n dom.bind(button2, 'click', function() {\n var presetName = prompt('Enter a new preset name.');\n if (presetName) gui.saveAs(presetName);\n });\n\n dom.bind(button3, 'click', function() {\n gui.revert();\n });\n\n// div.appendChild(button2);\n\n }\n\n function addResizeHandle(gui) {\n\n gui.__resize_handle = document.createElement('div');\n\n common.extend(gui.__resize_handle.style, {\n\n width: '6px',\n marginLeft: '-3px',\n height: '200px',\n cursor: 'ew-resize',\n position: 'absolute'\n// border: '1px solid blue'\n\n });\n\n var pmouseX;\n\n dom.bind(gui.__resize_handle, 'mousedown', dragStart);\n dom.bind(gui.__closeButton, 'mousedown', dragStart);\n\n gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);\n\n function dragStart(e) {\n\n e.preventDefault();\n\n pmouseX = e.clientX;\n\n dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.bind(window, 'mousemove', drag);\n dom.bind(window, 'mouseup', dragStop);\n\n return false;\n\n }\n\n function drag(e) {\n\n e.preventDefault();\n\n gui.width += pmouseX - e.clientX;\n gui.onResize();\n pmouseX = e.clientX;\n\n return false;\n\n }\n\n function dragStop() {\n\n dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);\n dom.unbind(window, 'mousemove', drag);\n dom.unbind(window, 'mouseup', dragStop);\n\n }\n\n }\n\n function setWidth(gui, w) {\n gui.domElement.style.width = w + 'px';\n // Auto placed save-rows are position fixed, so we have to\n // set the width manually if we want it to bleed to the edge\n if (gui.__save_row && gui.autoPlace) {\n gui.__save_row.style.width = w + 'px';\n }if (gui.__closeButton) {\n gui.__closeButton.style.width = w + 'px';\n }\n }\n\n function getCurrentPreset(gui, useInitialValues) {\n\n var toReturn = {};\n\n // For each object I'm remembering\n common.each(gui.__rememberedObjects, function(val, index) {\n\n var saved_values = {};\n\n // The controllers I've made for thcommon.isObject by property\n var controller_map =\n gui.__rememberedObjectIndecesToControllers[index];\n\n // Remember each value for each property\n common.each(controller_map, function(controller, property) {\n saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();\n });\n\n // Save the values for thcommon.isObject\n toReturn[index] = saved_values;\n\n });\n\n return toReturn;\n\n }\n\n function addPresetOption(gui, name, setSelected) {\n var opt = document.createElement('option');\n opt.innerHTML = name;\n opt.value = name;\n gui.__preset_select.appendChild(opt);\n if (setSelected) {\n gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;\n }\n }\n\n function setPresetSelectIndex(gui) {\n for (var index = 0; index < gui.__preset_select.length; index++) {\n if (gui.__preset_select[index].value == gui.preset) {\n gui.__preset_select.selectedIndex = index;\n }\n }\n }\n\n function markPresetModified(gui, modified) {\n var opt = gui.__preset_select[gui.__preset_select.selectedIndex];\n// console.log('mark', modified, opt);\n if (modified) {\n opt.innerHTML = opt.value + \"*\";\n } else {\n opt.innerHTML = opt.value;\n }\n }\n\n function updateDisplays(controllerArray) {\n\n\n if (controllerArray.length != 0) {\n\n requestAnimationFrame(function() {\n updateDisplays(controllerArray);\n });\n\n }\n\n common.each(controllerArray, function(c) {\n c.updateDisplay();\n });\n\n }\n\n return GUI;\n\n})(dat.utils.css,\n\"
\\n\\n Here's the new load parameter for your GUI's constructor:\\n\\n \\n\\n
\\n\\n Automatically save\\n values to localStorage on exit.\\n\\n
The values saved to localStorage will\\n override those passed to dat.GUI's constructor. This makes it\\n easier to work incrementally, but localStorage is fragile,\\n and your friends may not see the same values you do.\\n \\n
\\n \\n
\\n\\n
\",\n\".dg ul{list-style:none;margin:0;padding:0;width:100%;clear:both}.dg.ac{position:fixed;top:0;left:0;right:0;height:0;z-index:0}.dg:not(.ac) .main{overflow:hidden}.dg.main{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear}.dg.main.taller-than-window{overflow-y:auto}.dg.main.taller-than-window .close-button{opacity:1;margin-top:-1px;border-top:1px solid #2c2c2c}.dg.main ul.closed .close-button{opacity:1 !important}.dg.main:hover .close-button,.dg.main .close-button.drag{opacity:1}.dg.main .close-button{-webkit-transition:opacity 0.1s linear;-o-transition:opacity 0.1s linear;-moz-transition:opacity 0.1s linear;transition:opacity 0.1s linear;border:0;position:absolute;line-height:19px;height:20px;cursor:pointer;text-align:center;background-color:#000}.dg.main .close-button:hover{background-color:#111}.dg.a{float:right;margin-right:15px;overflow-x:hidden}.dg.a.has-save ul{margin-top:27px}.dg.a.has-save ul.closed{margin-top:0}.dg.a .save-row{position:fixed;top:0;z-index:1002}.dg li{-webkit-transition:height 0.1s ease-out;-o-transition:height 0.1s ease-out;-moz-transition:height 0.1s ease-out;transition:height 0.1s ease-out}.dg li:not(.folder){cursor:auto;height:27px;line-height:27px;overflow:hidden;padding:0 4px 0 5px}.dg li.folder{padding:0;border-left:4px solid rgba(0,0,0,0)}.dg li.title{cursor:pointer;margin-left:-4px}.dg .closed li:not(.title),.dg .closed ul li,.dg .closed ul li > *{height:0;overflow:hidden;border:0}.dg .cr{clear:both;padding-left:3px;height:27px}.dg .property-name{cursor:default;float:left;clear:left;width:40%;overflow:hidden;text-overflow:ellipsis}.dg .c{float:left;width:60%}.dg .c input[type=text]{border:0;margin-top:4px;padding:3px;width:100%;float:right}.dg .has-slider input[type=text]{width:30%;margin-left:0}.dg .slider{float:left;width:66%;margin-left:-5px;margin-right:0;height:19px;margin-top:4px}.dg .slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\\n\",\ndat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {\n\n return function(object, property) {\n\n var initialValue = object[property];\n\n // Providing options?\n if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {\n return new OptionController(object, property, arguments[2]);\n }\n\n // Providing a map?\n\n if (common.isNumber(initialValue)) {\n\n if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {\n\n // Has min and max.\n return new NumberControllerSlider(object, property, arguments[2], arguments[3]);\n\n } else {\n\n return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });\n\n }\n\n }\n\n if (common.isString(initialValue)) {\n return new StringController(object, property);\n }\n\n if (common.isFunction(initialValue)) {\n return new FunctionController(object, property, '');\n }\n\n if (common.isBoolean(initialValue)) {\n return new BooleanController(object, property);\n }\n\n }\n\n })(dat.controllers.OptionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.StringController = (function (Controller, dom, common) {\n\n /**\n * @class Provides a text input to alter the string property of an object.\n *\n * @extends dat.controllers.Controller\n *\n * @param {Object} object The object to be manipulated\n * @param {string} property The name of the property to be manipulated\n *\n * @member dat.controllers\n */\n var StringController = function(object, property) {\n\n StringController.superclass.call(this, object, property);\n\n var _this = this;\n\n this.__input = document.createElement('input');\n this.__input.setAttribute('type', 'text');\n\n dom.bind(this.__input, 'keyup', onChange);\n dom.bind(this.__input, 'change', onChange);\n dom.bind(this.__input, 'blur', onBlur);\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) {\n this.blur();\n }\n });\n \n\n function onChange() {\n _this.setValue(_this.__input.value);\n }\n\n function onBlur() {\n if (_this.__onFinishChange) {\n _this.__onFinishChange.call(_this, _this.getValue());\n }\n }\n\n this.updateDisplay();\n\n this.domElement.appendChild(this.__input);\n\n };\n\n StringController.superclass = Controller;\n\n common.extend(\n\n StringController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n // Stops the caret from moving on account of:\n // keyup -> setValue -> updateDisplay\n if (!dom.isActive(this.__input)) {\n this.__input.value = this.getValue();\n }\n return StringController.superclass.prototype.updateDisplay.call(this);\n }\n\n }\n\n );\n\n return StringController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.utils.common),\ndat.controllers.FunctionController,\ndat.controllers.BooleanController,\ndat.utils.common),\ndat.controllers.Controller,\ndat.controllers.BooleanController,\ndat.controllers.FunctionController,\ndat.controllers.NumberControllerBox,\ndat.controllers.NumberControllerSlider,\ndat.controllers.OptionController,\ndat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {\n\n var ColorController = function(object, property) {\n\n ColorController.superclass.call(this, object, property);\n\n this.__color = new Color(this.getValue());\n this.__temp = new Color(0);\n\n var _this = this;\n\n this.domElement = document.createElement('div');\n\n dom.makeSelectable(this.domElement, false);\n\n this.__selector = document.createElement('div');\n this.__selector.className = 'selector';\n\n this.__saturation_field = document.createElement('div');\n this.__saturation_field.className = 'saturation-field';\n\n this.__field_knob = document.createElement('div');\n this.__field_knob.className = 'field-knob';\n this.__field_knob_border = '2px solid ';\n\n this.__hue_knob = document.createElement('div');\n this.__hue_knob.className = 'hue-knob';\n\n this.__hue_field = document.createElement('div');\n this.__hue_field.className = 'hue-field';\n\n this.__input = document.createElement('input');\n this.__input.type = 'text';\n this.__input_textShadow = '0 1px 1px ';\n\n dom.bind(this.__input, 'keydown', function(e) {\n if (e.keyCode === 13) { // on enter\n onBlur.call(this);\n }\n });\n\n dom.bind(this.__input, 'blur', onBlur);\n\n dom.bind(this.__selector, 'mousedown', function(e) {\n\n dom\n .addClass(this, 'drag')\n .bind(window, 'mouseup', function(e) {\n dom.removeClass(_this.__selector, 'drag');\n });\n\n });\n\n var value_field = document.createElement('div');\n\n common.extend(this.__selector.style, {\n width: '122px',\n height: '102px',\n padding: '3px',\n backgroundColor: '#222',\n boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'\n });\n\n common.extend(this.__field_knob.style, {\n position: 'absolute',\n width: '12px',\n height: '12px',\n border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),\n boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',\n borderRadius: '12px',\n zIndex: 1\n });\n \n common.extend(this.__hue_knob.style, {\n position: 'absolute',\n width: '15px',\n height: '2px',\n borderRight: '4px solid #fff',\n zIndex: 1\n });\n\n common.extend(this.__saturation_field.style, {\n width: '100px',\n height: '100px',\n border: '1px solid #555',\n marginRight: '3px',\n display: 'inline-block',\n cursor: 'pointer'\n });\n\n common.extend(value_field.style, {\n width: '100%',\n height: '100%',\n background: 'none'\n });\n \n linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');\n\n common.extend(this.__hue_field.style, {\n width: '15px',\n height: '100px',\n display: 'inline-block',\n border: '1px solid #555',\n cursor: 'ns-resize'\n });\n\n hueGradient(this.__hue_field);\n\n common.extend(this.__input.style, {\n outline: 'none',\n// width: '120px',\n textAlign: 'center',\n// padding: '4px',\n// marginBottom: '6px',\n color: '#fff',\n border: 0,\n fontWeight: 'bold',\n textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'\n });\n\n dom.bind(this.__saturation_field, 'mousedown', fieldDown);\n dom.bind(this.__field_knob, 'mousedown', fieldDown);\n\n dom.bind(this.__hue_field, 'mousedown', function(e) {\n setH(e);\n dom.bind(window, 'mousemove', setH);\n dom.bind(window, 'mouseup', unbindH);\n });\n\n function fieldDown(e) {\n setSV(e);\n // document.body.style.cursor = 'none';\n dom.bind(window, 'mousemove', setSV);\n dom.bind(window, 'mouseup', unbindSV);\n }\n\n function unbindSV() {\n dom.unbind(window, 'mousemove', setSV);\n dom.unbind(window, 'mouseup', unbindSV);\n // document.body.style.cursor = 'default';\n }\n\n function onBlur() {\n var i = interpret(this.value);\n if (i !== false) {\n _this.__color.__state = i;\n _this.setValue(_this.__color.toOriginal());\n } else {\n this.value = _this.__color.toString();\n }\n }\n\n function unbindH() {\n dom.unbind(window, 'mousemove', setH);\n dom.unbind(window, 'mouseup', unbindH);\n }\n\n this.__saturation_field.appendChild(value_field);\n this.__selector.appendChild(this.__field_knob);\n this.__selector.appendChild(this.__saturation_field);\n this.__selector.appendChild(this.__hue_field);\n this.__hue_field.appendChild(this.__hue_knob);\n\n this.domElement.appendChild(this.__input);\n this.domElement.appendChild(this.__selector);\n\n this.updateDisplay();\n\n function setSV(e) {\n\n e.preventDefault();\n\n var w = dom.getWidth(_this.__saturation_field);\n var o = dom.getOffset(_this.__saturation_field);\n var s = (e.clientX - o.left + document.body.scrollLeft) / w;\n var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;\n\n if (v > 1) v = 1;\n else if (v < 0) v = 0;\n\n if (s > 1) s = 1;\n else if (s < 0) s = 0;\n\n _this.__color.v = v;\n _this.__color.s = s;\n\n _this.setValue(_this.__color.toOriginal());\n\n\n return false;\n\n }\n\n function setH(e) {\n\n e.preventDefault();\n\n var s = dom.getHeight(_this.__hue_field);\n var o = dom.getOffset(_this.__hue_field);\n var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;\n\n if (h > 1) h = 1;\n else if (h < 0) h = 0;\n\n _this.__color.h = h * 360;\n\n _this.setValue(_this.__color.toOriginal());\n\n return false;\n\n }\n\n };\n\n ColorController.superclass = Controller;\n\n common.extend(\n\n ColorController.prototype,\n Controller.prototype,\n\n {\n\n updateDisplay: function() {\n\n var i = interpret(this.getValue());\n\n if (i !== false) {\n\n var mismatch = false;\n\n // Check for mismatch on the interpreted value.\n\n common.each(Color.COMPONENTS, function(component) {\n if (!common.isUndefined(i[component]) &&\n !common.isUndefined(this.__color.__state[component]) &&\n i[component] !== this.__color.__state[component]) {\n mismatch = true;\n return {}; // break\n }\n }, this);\n\n // If nothing diverges, we keep our previous values\n // for statefulness, otherwise we recalculate fresh\n if (mismatch) {\n common.extend(this.__color.__state, i);\n }\n\n }\n\n common.extend(this.__temp.__state, this.__color.__state);\n\n this.__temp.a = 1;\n\n var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;\n var _flip = 255 - flip;\n\n common.extend(this.__field_knob.style, {\n marginLeft: 100 * this.__color.s - 7 + 'px',\n marginTop: 100 * (1 - this.__color.v) - 7 + 'px',\n backgroundColor: this.__temp.toString(),\n border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'\n });\n\n this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'\n\n this.__temp.s = 1;\n this.__temp.v = 1;\n\n linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());\n\n common.extend(this.__input.style, {\n backgroundColor: this.__input.value = this.__color.toString(),\n color: 'rgb(' + flip + ',' + flip + ',' + flip +')',\n textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'\n });\n\n }\n\n }\n\n );\n \n var vendors = ['-moz-','-o-','-webkit-','-ms-',''];\n \n function linearGradient(elem, x, a, b) {\n elem.style.background = '';\n common.each(vendors, function(vendor) {\n elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';\n });\n }\n \n function hueGradient(elem) {\n elem.style.background = '';\n elem.style.cssText += 'background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'\n elem.style.cssText += 'background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n elem.style.cssText += 'background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'\n }\n\n\n return ColorController;\n\n})(dat.controllers.Controller,\ndat.dom.dom,\ndat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret,\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common),\ndat.color.interpret,\ndat.utils.common),\ndat.utils.requestAnimationFrame = (function () {\n\n /**\n * requirejs version of Paul Irish's RequestAnimationFrame\n * http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n */\n\n return window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback, element) {\n\n window.setTimeout(callback, 1000 / 60);\n\n };\n})(),\ndat.dom.CenteredDiv = (function (dom, common) {\n\n\n var CenteredDiv = function() {\n\n this.backgroundElement = document.createElement('div');\n common.extend(this.backgroundElement.style, {\n backgroundColor: 'rgba(0,0,0,0.8)',\n top: 0,\n left: 0,\n display: 'none',\n zIndex: '1000',\n opacity: 0,\n WebkitTransition: 'opacity 0.2s linear'\n });\n\n dom.makeFullscreen(this.backgroundElement);\n this.backgroundElement.style.position = 'fixed';\n\n this.domElement = document.createElement('div');\n common.extend(this.domElement.style, {\n position: 'fixed',\n display: 'none',\n zIndex: '1001',\n opacity: 0,\n WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'\n });\n\n\n document.body.appendChild(this.backgroundElement);\n document.body.appendChild(this.domElement);\n\n var _this = this;\n dom.bind(this.backgroundElement, 'click', function() {\n _this.hide();\n });\n\n\n };\n\n CenteredDiv.prototype.show = function() {\n\n var _this = this;\n \n\n\n this.backgroundElement.style.display = 'block';\n\n this.domElement.style.display = 'block';\n this.domElement.style.opacity = 0;\n// this.domElement.style.top = '52%';\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n this.layout();\n\n common.defer(function() {\n _this.backgroundElement.style.opacity = 1;\n _this.domElement.style.opacity = 1;\n _this.domElement.style.webkitTransform = 'scale(1)';\n });\n\n };\n\n CenteredDiv.prototype.hide = function() {\n\n var _this = this;\n\n var hide = function() {\n\n _this.domElement.style.display = 'none';\n _this.backgroundElement.style.display = 'none';\n\n dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);\n dom.unbind(_this.domElement, 'transitionend', hide);\n dom.unbind(_this.domElement, 'oTransitionEnd', hide);\n\n };\n\n dom.bind(this.domElement, 'webkitTransitionEnd', hide);\n dom.bind(this.domElement, 'transitionend', hide);\n dom.bind(this.domElement, 'oTransitionEnd', hide);\n\n this.backgroundElement.style.opacity = 0;\n// this.domElement.style.top = '48%';\n this.domElement.style.opacity = 0;\n this.domElement.style.webkitTransform = 'scale(1.1)';\n\n };\n\n CenteredDiv.prototype.layout = function() {\n this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';\n this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';\n };\n \n function lockScroll(e) {\n console.log(e);\n }\n\n return CenteredDiv;\n\n})(dat.dom.dom,\ndat.utils.common),\ndat.dom.dom,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.gui.js\n// module id = 4\n// module chunks = 0","/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n/** @namespace */\nvar dat = module.exports = dat || {};\n\n/** @namespace */\ndat.color = dat.color || {};\n\n/** @namespace */\ndat.utils = dat.utils || {};\n\ndat.utils.common = (function () {\n \n var ARR_EACH = Array.prototype.forEach;\n var ARR_SLICE = Array.prototype.slice;\n\n /**\n * Band-aid methods for things that should be a lot easier in JavaScript.\n * Implementation and structure inspired by underscore.js\n * http://documentcloud.github.com/underscore/\n */\n\n return { \n \n BREAK: {},\n \n extend: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (!this.isUndefined(obj[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n defaults: function(target) {\n \n this.each(ARR_SLICE.call(arguments, 1), function(obj) {\n \n for (var key in obj)\n if (this.isUndefined(target[key])) \n target[key] = obj[key];\n \n }, this);\n \n return target;\n \n },\n \n compose: function() {\n var toCall = ARR_SLICE.call(arguments);\n return function() {\n var args = ARR_SLICE.call(arguments);\n for (var i = toCall.length -1; i >= 0; i--) {\n args = [toCall[i].apply(this, args)];\n }\n return args[0];\n }\n },\n \n each: function(obj, itr, scope) {\n\n \n if (ARR_EACH && obj.forEach === ARR_EACH) { \n \n obj.forEach(itr, scope);\n \n } else if (obj.length === obj.length + 0) { // Is number but not NaN\n \n for (var key = 0, l = obj.length; key < l; key++)\n if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) \n return;\n \n } else {\n\n for (var key in obj) \n if (itr.call(scope, obj[key], key) === this.BREAK)\n return;\n \n }\n \n },\n \n defer: function(fnc) {\n setTimeout(fnc, 0);\n },\n \n toArray: function(obj) {\n if (obj.toArray) return obj.toArray();\n return ARR_SLICE.call(obj);\n },\n\n isUndefined: function(obj) {\n return obj === undefined;\n },\n \n isNull: function(obj) {\n return obj === null;\n },\n \n isNaN: function(obj) {\n return obj !== obj;\n },\n \n isArray: Array.isArray || function(obj) {\n return obj.constructor === Array;\n },\n \n isObject: function(obj) {\n return obj === Object(obj);\n },\n \n isNumber: function(obj) {\n return obj === obj+0;\n },\n \n isString: function(obj) {\n return obj === obj+'';\n },\n \n isBoolean: function(obj) {\n return obj === false || obj === true;\n },\n \n isFunction: function(obj) {\n return Object.prototype.toString.call(obj) === '[object Function]';\n }\n \n };\n \n})();\n\n\ndat.color.toString = (function (common) {\n\n return function(color) {\n\n if (color.a == 1 || common.isUndefined(color.a)) {\n\n var s = color.hex.toString(16);\n while (s.length < 6) {\n s = '0' + s;\n }\n\n return '#' + s;\n\n } else {\n\n return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';\n\n }\n\n }\n\n})(dat.utils.common);\n\n\ndat.Color = dat.color.Color = (function (interpret, math, toString, common) {\n\n var Color = function() {\n\n this.__state = interpret.apply(this, arguments);\n\n if (this.__state === false) {\n throw 'Failed to interpret color arguments';\n }\n\n this.__state.a = this.__state.a || 1;\n\n\n };\n\n Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];\n\n common.extend(Color.prototype, {\n\n toString: function() {\n return toString(this);\n },\n\n toOriginal: function() {\n return this.__state.conversion.write(this);\n }\n\n });\n\n defineRGBComponent(Color.prototype, 'r', 2);\n defineRGBComponent(Color.prototype, 'g', 1);\n defineRGBComponent(Color.prototype, 'b', 0);\n\n defineHSVComponent(Color.prototype, 'h');\n defineHSVComponent(Color.prototype, 's');\n defineHSVComponent(Color.prototype, 'v');\n\n Object.defineProperty(Color.prototype, 'a', {\n\n get: function() {\n return this.__state.a;\n },\n\n set: function(v) {\n this.__state.a = v;\n }\n\n });\n\n Object.defineProperty(Color.prototype, 'hex', {\n\n get: function() {\n\n if (!this.__state.space !== 'HEX') {\n this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);\n }\n\n return this.__state.hex;\n\n },\n\n set: function(v) {\n\n this.__state.space = 'HEX';\n this.__state.hex = v;\n\n }\n\n });\n\n function defineRGBComponent(target, component, componentHexIndex) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'RGB') {\n return this.__state[component];\n }\n\n recalculateRGB(this, component, componentHexIndex);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'RGB') {\n recalculateRGB(this, component, componentHexIndex);\n this.__state.space = 'RGB';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function defineHSVComponent(target, component) {\n\n Object.defineProperty(target, component, {\n\n get: function() {\n\n if (this.__state.space === 'HSV')\n return this.__state[component];\n\n recalculateHSV(this);\n\n return this.__state[component];\n\n },\n\n set: function(v) {\n\n if (this.__state.space !== 'HSV') {\n recalculateHSV(this);\n this.__state.space = 'HSV';\n }\n\n this.__state[component] = v;\n\n }\n\n });\n\n }\n\n function recalculateRGB(color, component, componentHexIndex) {\n\n if (color.__state.space === 'HEX') {\n\n color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);\n\n } else if (color.__state.space === 'HSV') {\n\n common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));\n\n } else {\n\n throw 'Corrupted color state';\n\n }\n\n }\n\n function recalculateHSV(color) {\n\n var result = math.rgb_to_hsv(color.r, color.g, color.b);\n\n common.extend(color.__state,\n {\n s: result.s,\n v: result.v\n }\n );\n\n if (!common.isNaN(result.h)) {\n color.__state.h = result.h;\n } else if (common.isUndefined(color.__state.h)) {\n color.__state.h = 0;\n }\n\n }\n\n return Color;\n\n})(dat.color.interpret = (function (toString, common) {\n\n var result, toReturn;\n\n var interpret = function() {\n\n toReturn = false;\n\n var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];\n\n common.each(INTERPRETATIONS, function(family) {\n\n if (family.litmus(original)) {\n\n common.each(family.conversions, function(conversion, conversionName) {\n\n result = conversion.read(original);\n\n if (toReturn === false && result !== false) {\n toReturn = result;\n result.conversionName = conversionName;\n result.conversion = conversion;\n return common.BREAK;\n\n }\n\n });\n\n return common.BREAK;\n\n }\n\n });\n\n return toReturn;\n\n };\n\n var INTERPRETATIONS = [\n\n // Strings\n {\n\n litmus: common.isString,\n\n conversions: {\n\n THREE_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt(\n '0x' +\n test[1].toString() + test[1].toString() +\n test[2].toString() + test[2].toString() +\n test[3].toString() + test[3].toString())\n };\n\n },\n\n write: toString\n\n },\n\n SIX_CHAR_HEX: {\n\n read: function(original) {\n\n var test = original.match(/^#([A-F0-9]{6})$/i);\n if (test === null) return false;\n\n return {\n space: 'HEX',\n hex: parseInt('0x' + test[1].toString())\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGB: {\n\n read: function(original) {\n\n var test = original.match(/^rgb\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3])\n };\n\n },\n\n write: toString\n\n },\n\n CSS_RGBA: {\n\n read: function(original) {\n\n var test = original.match(/^rgba\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\,\\s*(.+)\\s*\\)/);\n if (test === null) return false;\n\n return {\n space: 'RGB',\n r: parseFloat(test[1]),\n g: parseFloat(test[2]),\n b: parseFloat(test[3]),\n a: parseFloat(test[4])\n };\n\n },\n\n write: toString\n\n }\n\n }\n\n },\n\n // Numbers\n {\n\n litmus: common.isNumber,\n\n conversions: {\n\n HEX: {\n read: function(original) {\n return {\n space: 'HEX',\n hex: original,\n conversionName: 'HEX'\n }\n },\n\n write: function(color) {\n return color.hex;\n }\n }\n\n }\n\n },\n\n // Arrays\n {\n\n litmus: common.isArray,\n\n conversions: {\n\n RGB_ARRAY: {\n read: function(original) {\n if (original.length != 3) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b];\n }\n\n },\n\n RGBA_ARRAY: {\n read: function(original) {\n if (original.length != 4) return false;\n return {\n space: 'RGB',\n r: original[0],\n g: original[1],\n b: original[2],\n a: original[3]\n };\n },\n\n write: function(color) {\n return [color.r, color.g, color.b, color.a];\n }\n\n }\n\n }\n\n },\n\n // Objects\n {\n\n litmus: common.isObject,\n\n conversions: {\n\n RGBA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b) &&\n common.isNumber(original.a)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b,\n a: color.a\n }\n }\n },\n\n RGB_OBJ: {\n read: function(original) {\n if (common.isNumber(original.r) &&\n common.isNumber(original.g) &&\n common.isNumber(original.b)) {\n return {\n space: 'RGB',\n r: original.r,\n g: original.g,\n b: original.b\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n r: color.r,\n g: color.g,\n b: color.b\n }\n }\n },\n\n HSVA_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v) &&\n common.isNumber(original.a)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v,\n a: original.a\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v,\n a: color.a\n }\n }\n },\n\n HSV_OBJ: {\n read: function(original) {\n if (common.isNumber(original.h) &&\n common.isNumber(original.s) &&\n common.isNumber(original.v)) {\n return {\n space: 'HSV',\n h: original.h,\n s: original.s,\n v: original.v\n }\n }\n return false;\n },\n\n write: function(color) {\n return {\n h: color.h,\n s: color.s,\n v: color.v\n }\n }\n\n }\n\n }\n\n }\n\n\n ];\n\n return interpret;\n\n\n})(dat.color.toString,\ndat.utils.common),\ndat.color.math = (function () {\n\n var tmpComponent;\n\n return {\n\n hsv_to_rgb: function(h, s, v) {\n\n var hi = Math.floor(h / 60) % 6;\n\n var f = h / 60 - Math.floor(h / 60);\n var p = v * (1.0 - s);\n var q = v * (1.0 - (f * s));\n var t = v * (1.0 - ((1.0 - f) * s));\n var c = [\n [v, t, p],\n [q, v, p],\n [p, v, t],\n [p, q, v],\n [t, p, v],\n [v, p, q]\n ][hi];\n\n return {\n r: c[0] * 255,\n g: c[1] * 255,\n b: c[2] * 255\n };\n\n },\n\n rgb_to_hsv: function(r, g, b) {\n\n var min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s;\n\n if (max != 0) {\n s = delta / max;\n } else {\n return {\n h: NaN,\n s: 0,\n v: 0\n };\n }\n\n if (r == max) {\n h = (g - b) / delta;\n } else if (g == max) {\n h = 2 + (b - r) / delta;\n } else {\n h = 4 + (r - g) / delta;\n }\n h /= 6;\n if (h < 0) {\n h += 1;\n }\n\n return {\n h: h * 360,\n s: s,\n v: max / 255\n };\n },\n\n rgb_to_hex: function(r, g, b) {\n var hex = this.hex_with_component(0, 2, r);\n hex = this.hex_with_component(hex, 1, g);\n hex = this.hex_with_component(hex, 0, b);\n return hex;\n },\n\n component_from_hex: function(hex, componentIndex) {\n return (hex >> (componentIndex * 8)) & 0xFF;\n },\n\n hex_with_component: function(hex, componentIndex, value) {\n return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));\n }\n\n }\n\n})(),\ndat.color.toString,\ndat.utils.common);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/dat-gui/vendor/dat.color.js\n// module id = 5\n// module chunks = 0","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n\ttypeof define === 'function' && define.amd ? define(['exports'], factory) :\n\t(factory((global.THREE = global.THREE || {})));\n}(this, (function (exports) { 'use strict';\n\n\t// Polyfills\n\n\tif ( Number.EPSILON === undefined ) {\n\n\t\tNumber.EPSILON = Math.pow( 2, - 52 );\n\n\t}\n\n\t//\n\n\tif ( Math.sign === undefined ) {\n\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign\n\n\t\tMath.sign = function ( x ) {\n\n\t\t\treturn ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;\n\n\t\t};\n\n\t}\n\n\tif ( Function.prototype.name === undefined ) {\n\n\t\t// Missing in IE9-11.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name\n\n\t\tObject.defineProperty( Function.prototype, 'name', {\n\n\t\t\tget: function () {\n\n\t\t\t\treturn this.toString().match( /^\\s*function\\s*(\\S*)\\s*\\(/ )[ 1 ];\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tif ( Object.assign === undefined ) {\n\n\t\t// Missing in IE.\n\t\t// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n\n\t\t( function () {\n\n\t\t\tObject.assign = function ( target ) {\n\n\t\t\t\t'use strict';\n\n\t\t\t\tif ( target === undefined || target === null ) {\n\n\t\t\t\t\tthrow new TypeError( 'Cannot convert undefined or null to object' );\n\n\t\t\t\t}\n\n\t\t\t\tvar output = Object( target );\n\n\t\t\t\tfor ( var index = 1; index < arguments.length; index ++ ) {\n\n\t\t\t\t\tvar source = arguments[ index ];\n\n\t\t\t\t\tif ( source !== undefined && source !== null ) {\n\n\t\t\t\t\t\tfor ( var nextKey in source ) {\n\n\t\t\t\t\t\t\tif ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {\n\n\t\t\t\t\t\t\t\toutput[ nextKey ] = source[ nextKey ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn output;\n\n\t\t\t};\n\n\t\t} )();\n\n\t}\n\n\t/**\n\t * https://github.com/mrdoob/eventdispatcher.js/\n\t */\n\n\tfunction EventDispatcher() {}\n\n\tObject.assign( EventDispatcher.prototype, {\n\n\t\taddEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\t\tlisteners[ type ] = [];\n\n\t\t\t}\n\n\t\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\t\tlisteners[ type ].push( listener );\n\n\t\t\t}\n\n\t\t},\n\n\t\thasEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return false;\n\n\t\t\tvar listeners = this._listeners;\n\n\t\t\tif ( listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tremoveEventListener: function ( type, listener ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tvar index = listenerArray.indexOf( listener );\n\n\t\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tdispatchEvent: function ( event ) {\n\n\t\t\tif ( this._listeners === undefined ) return;\n\n\t\t\tvar listeners = this._listeners;\n\t\t\tvar listenerArray = listeners[ event.type ];\n\n\t\t\tif ( listenerArray !== undefined ) {\n\n\t\t\t\tevent.target = this;\n\n\t\t\t\tvar array = [], i = 0;\n\t\t\t\tvar length = listenerArray.length;\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ] = listenerArray[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\tvar REVISION = '82';\n\tvar MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };\n\tvar CullFaceNone = 0;\n\tvar CullFaceBack = 1;\n\tvar CullFaceFront = 2;\n\tvar CullFaceFrontBack = 3;\n\tvar FrontFaceDirectionCW = 0;\n\tvar FrontFaceDirectionCCW = 1;\n\tvar BasicShadowMap = 0;\n\tvar PCFShadowMap = 1;\n\tvar PCFSoftShadowMap = 2;\n\tvar FrontSide = 0;\n\tvar BackSide = 1;\n\tvar DoubleSide = 2;\n\tvar FlatShading = 1;\n\tvar SmoothShading = 2;\n\tvar NoColors = 0;\n\tvar FaceColors = 1;\n\tvar VertexColors = 2;\n\tvar NoBlending = 0;\n\tvar NormalBlending = 1;\n\tvar AdditiveBlending = 2;\n\tvar SubtractiveBlending = 3;\n\tvar MultiplyBlending = 4;\n\tvar CustomBlending = 5;\n\tvar BlendingMode = {\n\t\tNoBlending: NoBlending,\n\t\tNormalBlending: NormalBlending,\n\t\tAdditiveBlending: AdditiveBlending,\n\t\tSubtractiveBlending: SubtractiveBlending,\n\t\tMultiplyBlending: MultiplyBlending,\n\t\tCustomBlending: CustomBlending\n\t};\n\tvar AddEquation = 100;\n\tvar SubtractEquation = 101;\n\tvar ReverseSubtractEquation = 102;\n\tvar MinEquation = 103;\n\tvar MaxEquation = 104;\n\tvar ZeroFactor = 200;\n\tvar OneFactor = 201;\n\tvar SrcColorFactor = 202;\n\tvar OneMinusSrcColorFactor = 203;\n\tvar SrcAlphaFactor = 204;\n\tvar OneMinusSrcAlphaFactor = 205;\n\tvar DstAlphaFactor = 206;\n\tvar OneMinusDstAlphaFactor = 207;\n\tvar DstColorFactor = 208;\n\tvar OneMinusDstColorFactor = 209;\n\tvar SrcAlphaSaturateFactor = 210;\n\tvar NeverDepth = 0;\n\tvar AlwaysDepth = 1;\n\tvar LessDepth = 2;\n\tvar LessEqualDepth = 3;\n\tvar EqualDepth = 4;\n\tvar GreaterEqualDepth = 5;\n\tvar GreaterDepth = 6;\n\tvar NotEqualDepth = 7;\n\tvar MultiplyOperation = 0;\n\tvar MixOperation = 1;\n\tvar AddOperation = 2;\n\tvar NoToneMapping = 0;\n\tvar LinearToneMapping = 1;\n\tvar ReinhardToneMapping = 2;\n\tvar Uncharted2ToneMapping = 3;\n\tvar CineonToneMapping = 4;\n\tvar UVMapping = 300;\n\tvar CubeReflectionMapping = 301;\n\tvar CubeRefractionMapping = 302;\n\tvar EquirectangularReflectionMapping = 303;\n\tvar EquirectangularRefractionMapping = 304;\n\tvar SphericalReflectionMapping = 305;\n\tvar CubeUVReflectionMapping = 306;\n\tvar CubeUVRefractionMapping = 307;\n\tvar TextureMapping = {\n\t\tUVMapping: UVMapping,\n\t\tCubeReflectionMapping: CubeReflectionMapping,\n\t\tCubeRefractionMapping: CubeRefractionMapping,\n\t\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\t\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\t\tSphericalReflectionMapping: SphericalReflectionMapping,\n\t\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\t\tCubeUVRefractionMapping: CubeUVRefractionMapping\n\t};\n\tvar RepeatWrapping = 1000;\n\tvar ClampToEdgeWrapping = 1001;\n\tvar MirroredRepeatWrapping = 1002;\n\tvar TextureWrapping = {\n\t\tRepeatWrapping: RepeatWrapping,\n\t\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\t\tMirroredRepeatWrapping: MirroredRepeatWrapping\n\t};\n\tvar NearestFilter = 1003;\n\tvar NearestMipMapNearestFilter = 1004;\n\tvar NearestMipMapLinearFilter = 1005;\n\tvar LinearFilter = 1006;\n\tvar LinearMipMapNearestFilter = 1007;\n\tvar LinearMipMapLinearFilter = 1008;\n\tvar TextureFilter = {\n\t\tNearestFilter: NearestFilter,\n\t\tNearestMipMapNearestFilter: NearestMipMapNearestFilter,\n\t\tNearestMipMapLinearFilter: NearestMipMapLinearFilter,\n\t\tLinearFilter: LinearFilter,\n\t\tLinearMipMapNearestFilter: LinearMipMapNearestFilter,\n\t\tLinearMipMapLinearFilter: LinearMipMapLinearFilter\n\t};\n\tvar UnsignedByteType = 1009;\n\tvar ByteType = 1010;\n\tvar ShortType = 1011;\n\tvar UnsignedShortType = 1012;\n\tvar IntType = 1013;\n\tvar UnsignedIntType = 1014;\n\tvar FloatType = 1015;\n\tvar HalfFloatType = 1016;\n\tvar UnsignedShort4444Type = 1017;\n\tvar UnsignedShort5551Type = 1018;\n\tvar UnsignedShort565Type = 1019;\n\tvar UnsignedInt248Type = 1020;\n\tvar AlphaFormat = 1021;\n\tvar RGBFormat = 1022;\n\tvar RGBAFormat = 1023;\n\tvar LuminanceFormat = 1024;\n\tvar LuminanceAlphaFormat = 1025;\n\tvar RGBEFormat = RGBAFormat;\n\tvar DepthFormat = 1026;\n\tvar DepthStencilFormat = 1027;\n\tvar RGB_S3TC_DXT1_Format = 2001;\n\tvar RGBA_S3TC_DXT1_Format = 2002;\n\tvar RGBA_S3TC_DXT3_Format = 2003;\n\tvar RGBA_S3TC_DXT5_Format = 2004;\n\tvar RGB_PVRTC_4BPPV1_Format = 2100;\n\tvar RGB_PVRTC_2BPPV1_Format = 2101;\n\tvar RGBA_PVRTC_4BPPV1_Format = 2102;\n\tvar RGBA_PVRTC_2BPPV1_Format = 2103;\n\tvar RGB_ETC1_Format = 2151;\n\tvar LoopOnce = 2200;\n\tvar LoopRepeat = 2201;\n\tvar LoopPingPong = 2202;\n\tvar InterpolateDiscrete = 2300;\n\tvar InterpolateLinear = 2301;\n\tvar InterpolateSmooth = 2302;\n\tvar ZeroCurvatureEnding = 2400;\n\tvar ZeroSlopeEnding = 2401;\n\tvar WrapAroundEnding = 2402;\n\tvar TrianglesDrawMode = 0;\n\tvar TriangleStripDrawMode = 1;\n\tvar TriangleFanDrawMode = 2;\n\tvar LinearEncoding = 3000;\n\tvar sRGBEncoding = 3001;\n\tvar GammaEncoding = 3007;\n\tvar RGBEEncoding = 3002;\n\tvar LogLuvEncoding = 3003;\n\tvar RGBM7Encoding = 3004;\n\tvar RGBM16Encoding = 3005;\n\tvar RGBDEncoding = 3006;\n\tvar BasicDepthPacking = 3200;\n\tvar RGBADepthPacking = 3201;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar _Math = {\n\n\t\tDEG2RAD: Math.PI / 180,\n\t\tRAD2DEG: 180 / Math.PI,\n\n\t\tgenerateUUID: function () {\n\n\t\t\t// http://www.broofa.com/Tools/Math.uuid.htm\n\n\t\t\tvar chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split( '' );\n\t\t\tvar uuid = new Array( 36 );\n\t\t\tvar rnd = 0, r;\n\n\t\t\treturn function generateUUID() {\n\n\t\t\t\tfor ( var i = 0; i < 36; i ++ ) {\n\n\t\t\t\t\tif ( i === 8 || i === 13 || i === 18 || i === 23 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '-';\n\n\t\t\t\t\t} else if ( i === 14 ) {\n\n\t\t\t\t\t\tuuid[ i ] = '4';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( rnd <= 0x02 ) rnd = 0x2000000 + ( Math.random() * 0x1000000 ) | 0;\n\t\t\t\t\t\tr = rnd & 0xf;\n\t\t\t\t\t\trnd = rnd >> 4;\n\t\t\t\t\t\tuuid[ i ] = chars[ ( i === 19 ) ? ( r & 0x3 ) | 0x8 : r ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn uuid.join( '' );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclamp: function ( value, min, max ) {\n\n\t\t\treturn Math.max( min, Math.min( max, value ) );\n\n\t\t},\n\n\t\t// compute euclidian modulo of m % n\n\t\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\t\teuclideanModulo: function ( n, m ) {\n\n\t\t\treturn ( ( n % m ) + m ) % m;\n\n\t\t},\n\n\t\t// Linear mapping from range to range \n\n\t\tmapLinear: function ( x, a1, a2, b1, b2 ) {\n\n\t\t\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n\t\t},\n\n\t\t// https://en.wikipedia.org/wiki/Linear_interpolation\n\n\t\tlerp: function ( x, y, t ) {\n\n\t\t\treturn ( 1 - t ) * x + t * y;\n\n\t\t},\n\n\t\t// http://en.wikipedia.org/wiki/Smoothstep\n\n\t\tsmoothstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * ( 3 - 2 * x );\n\n\t\t},\n\n\t\tsmootherstep: function ( x, min, max ) {\n\n\t\t\tif ( x <= min ) return 0;\n\t\t\tif ( x >= max ) return 1;\n\n\t\t\tx = ( x - min ) / ( max - min );\n\n\t\t\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n\t\t},\n\n\t\trandom16: function () {\n\n\t\t\tconsole.warn( 'THREE.Math.random16() has been deprecated. Use Math.random() instead.' );\n\t\t\treturn Math.random();\n\n\t\t},\n\n\t\t// Random integer from interval\n\n\t\trandInt: function ( low, high ) {\n\n\t\t\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n\t\t},\n\n\t\t// Random float from interval\n\n\t\trandFloat: function ( low, high ) {\n\n\t\t\treturn low + Math.random() * ( high - low );\n\n\t\t},\n\n\t\t// Random float from <-range/2, range/2> interval\n\n\t\trandFloatSpread: function ( range ) {\n\n\t\t\treturn range * ( 0.5 - Math.random() );\n\n\t\t},\n\n\t\tdegToRad: function ( degrees ) {\n\n\t\t\treturn degrees * _Math.DEG2RAD;\n\n\t\t},\n\n\t\tradToDeg: function ( radians ) {\n\n\t\t\treturn radians * _Math.RAD2DEG;\n\n\t\t},\n\n\t\tisPowerOfTwo: function ( value ) {\n\n\t\t\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n\t\t},\n\n\t\tnearestPowerOfTwo: function ( value ) {\n\n\t\t\treturn Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n\n\t\t},\n\n\t\tnextPowerOfTwo: function ( value ) {\n\n\t\t\tvalue --;\n\t\t\tvalue |= value >> 1;\n\t\t\tvalue |= value >> 2;\n\t\t\tvalue |= value >> 4;\n\t\t\tvalue |= value >> 8;\n\t\t\tvalue |= value >> 16;\n\t\t\tvalue ++;\n\n\t\t\treturn value;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author egraether / http://egraether.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tfunction Vector2( x, y ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\n\t}\n\n\tVector2.prototype = {\n\n\t\tconstructor: Vector2,\n\n\t\tisVector2: true,\n\n\t\tget width() {\n\n\t\t\treturn this.x;\n\n\t\t},\n\n\t\tset width( value ) {\n\n\t\t\tthis.x = value;\n\n\t\t},\n\n\t\tget height() {\n\n\t\t\treturn this.y;\n\n\t\t},\n\n\t\tset height( value ) {\n\n\t\t\tthis.y = value;\n\n\t\t},\n\n\t\t//\n\n\t\tset: function ( x, y ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v ) {\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector2();\n\t\t\t\t\tmax = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t\t},\n\n\t\tlengthManhattan: function() {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tangle: function () {\n\n\t\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\t\tvar angle = Math.atan2( this.y, this.x );\n\n\t\t\tif ( angle < 0 ) angle += 2 * Math.PI;\n\n\t\t\treturn angle;\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y;\n\t\t\treturn dx * dx + dy * dy;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateAround: function ( center, angle ) {\n\n\t\t\tvar c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\t\tvar x = this.x - center.x;\n\t\t\tvar y = this.y - center.y;\n\n\t\t\tthis.x = x * c - y * s + center.x;\n\t\t\tthis.y = x * s + y * c + center.y;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t */\n\n\tfunction Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\tObject.defineProperty( this, 'id', { value: TextureIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.sourceFile = '';\n\n\t\tthis.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;\n\n\t\tthis.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;\n\t\tthis.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;\n\n\t\tthis.anisotropy = anisotropy !== undefined ? anisotropy : 1;\n\n\t\tthis.format = format !== undefined ? format : RGBAFormat;\n\t\tthis.type = type !== undefined ? type : UnsignedByteType;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding !== undefined ? encoding : LinearEncoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t}\n\n\tTexture.DEFAULT_IMAGE = undefined;\n\tTexture.DEFAULT_MAPPING = UVMapping;\n\n\tTexture.prototype = {\n\n\t\tconstructor: Texture,\n\n\t\tisTexture: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.image = source.image;\n\t\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\t\tthis.mapping = source.mapping;\n\n\t\t\tthis.wrapS = source.wrapS;\n\t\t\tthis.wrapT = source.wrapT;\n\n\t\t\tthis.magFilter = source.magFilter;\n\t\t\tthis.minFilter = source.minFilter;\n\n\t\t\tthis.anisotropy = source.anisotropy;\n\n\t\t\tthis.format = source.format;\n\t\t\tthis.type = source.type;\n\n\t\t\tthis.offset.copy( source.offset );\n\t\t\tthis.repeat.copy( source.repeat );\n\n\t\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\t\tthis.flipY = source.flipY;\n\t\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\t\tthis.encoding = source.encoding;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tif ( meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t\t}\n\n\t\t\tfunction getDataURL( image ) {\n\n\t\t\t\tvar canvas;\n\n\t\t\t\tif ( image.toDataURL !== undefined ) {\n\n\t\t\t\t\tcanvas = image;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcanvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\t\tcanvas.width = image.width;\n\t\t\t\t\tcanvas.height = image.height;\n\n\t\t\t\t\tcanvas.getContext( '2d' ).drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Texture',\n\t\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t\t},\n\n\t\t\t\tuuid: this.uuid,\n\t\t\t\tname: this.name,\n\n\t\t\t\tmapping: this.mapping,\n\n\t\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\t\tminFilter: this.minFilter,\n\t\t\t\tmagFilter: this.magFilter,\n\t\t\t\tanisotropy: this.anisotropy,\n\n\t\t\t\tflipY: this.flipY\n\t\t\t};\n\n\t\t\tif ( this.image !== undefined ) {\n\n\t\t\t\t// TODO: Move to THREE.Image\n\n\t\t\t\tvar image = this.image;\n\n\t\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\t\timage.uuid = _Math.generateUUID(); // UGH\n\n\t\t\t\t}\n\n\t\t\t\tif ( meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\t\turl: getDataURL( image )\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\toutput.image = image.uuid;\n\n\t\t\t}\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t},\n\n\t\ttransformUv: function ( uv ) {\n\n\t\t\tif ( this.mapping !== UVMapping ) return;\n\n\t\t\tuv.multiply( this.repeat );\n\t\t\tuv.add( this.offset );\n\n\t\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.flipY ) {\n\n\t\t\t\tuv.y = 1 - uv.y;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tObject.assign( Texture.prototype, EventDispatcher.prototype );\n\n\tvar count = 0;\n\tfunction TextureIdCount() { return count++; }\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector4( x, y, z, w ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\t\tthis.w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tVector4.prototype = {\n\n\t\tconstructor: Vector4,\n\n\t\tisVector4: true,\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\t\t\tthis.w = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( w ) {\n\n\t\t\tthis.w = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tcase 3: this.w = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tcase 3: return this.w;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\t\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\t\t\tthis.w += v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\t\t\tthis.w += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\t\t\tthis.w = a.w + b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\t\t\tthis.w += v.w * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\t\t\tthis.w -= v.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\t\t\tthis.w -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\t\t\tthis.w = a.w - b.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\t\t\t\tthis.w *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\t\t\t\tthis.w = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z, w = this.w;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tsetAxisAngleFromQuaternion: function ( q ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t\t// q is assumed to be normalized\n\n\t\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\t\tvar s = Math.sqrt( 1 - q.w * q.w );\n\n\t\t\tif ( s < 0.0001 ) {\n\n\t\t\t\t this.x = 1;\n\t\t\t\t this.y = 0;\n\t\t\t\t this.z = 0;\n\n\t\t\t} else {\n\n\t\t\t\t this.x = q.x / s;\n\t\t\t\t this.y = q.y / s;\n\t\t\t\t this.z = q.z / s;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetAxisAngleFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar angle, x, y, z,\t\t// variables for result\n\t\t\t\tepsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\t\tte = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t\t// singularity found\n\t\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t\t}\n\n\t\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\t\tangle = Math.PI;\n\n\t\t\t\tvar xx = ( m11 + 1 ) / 2;\n\t\t\t\tvar yy = ( m22 + 1 ) / 2;\n\t\t\t\tvar zz = ( m33 + 1 ) / 2;\n\t\t\t\tvar xy = ( m12 + m21 ) / 4;\n\t\t\t\tvar xz = ( m13 + m31 ) / 4;\n\t\t\t\tvar yz = ( m23 + m32 ) / 4;\n\n\t\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\t\tx = 0;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\t\ty = xy / x;\n\t\t\t\t\t\tz = xz / x;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0;\n\t\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\t\tx = xy / y;\n\t\t\t\t\t\tz = yz / y;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\t\tz = 0;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\t\tx = xz / z;\n\t\t\t\t\t\ty = yz / z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.set( x, y, z, angle );\n\n\t\t\t\treturn this; // return 180 deg rotation\n\n\t\t\t}\n\n\t\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\t\tvar s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t ( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\t\tthis.x = ( m32 - m23 ) / s;\n\t\t\tthis.y = ( m13 - m31 ) / s;\n\t\t\tthis.z = ( m21 - m12 ) / s;\n\t\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\t\t\tthis.w = Math.min( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\t\t\tthis.w = Math.max( this.w, v.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector4();\n\t\t\t\t\tmax = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\t\t\tthis.w = Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\t\t\tthis.w = Math.ceil( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\t\t\tthis.w = Math.round( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\t\t\tthis.w = - this.w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\t\t\tthis.w = array[ offset + 3 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\t\t\tarray[ offset + 3 ] = this.w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\t\t\tthis.w = attribute.array[ index + 3 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author szimek / https://github.com/szimek/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author Marius Kintel / https://github.com/kintel\n\t */\n\n\t/*\n\t In options, we can specify:\n\t * Texture parameters for an auto-generated target texture\n\t * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n\t*/\n\tfunction WebGLRenderTarget( width, height, options ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\toptions = options || {};\n\n\t\tif ( options.minFilter === undefined ) options.minFilter = LinearFilter;\n\n\t\tthis.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tObject.assign( WebGLRenderTarget.prototype, EventDispatcher.prototype, {\n\n\t\tisWebGLRenderTarget: true,\n\n\t\tsetSize: function ( width, height ) {\n\n\t\t\tif ( this.width !== width || this.height !== height ) {\n\n\t\t\t\tthis.width = width;\n\t\t\t\tthis.height = height;\n\n\t\t\t\tthis.dispose();\n\n\t\t\t}\n\n\t\t\tthis.viewport.set( 0, 0, width, height );\n\t\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.width = source.width;\n\t\t\tthis.height = source.height;\n\n\t\t\tthis.viewport.copy( source.viewport );\n\n\t\t\tthis.texture = source.texture.clone();\n\n\t\t\tthis.depthBuffer = source.depthBuffer;\n\t\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\t\tthis.depthTexture = source.depthTexture;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com\n\t */\n\n\tfunction WebGLRenderTargetCube( width, height, options ) {\n\n\t\tWebGLRenderTarget.call( this, width, height, options );\n\n\t\tthis.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5\n\t\tthis.activeMipMapLevel = 0;\n\n\t}\n\n\tWebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );\n\tWebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;\n\n\tWebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Quaternion( x, y, z, w ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._w = ( w !== undefined ) ? w : 1;\n\n\t}\n\n\tQuaternion.prototype = {\n\n\t\tconstructor: Quaternion,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget w () {\n\n\t\t\treturn this._w;\n\n\t\t},\n\n\t\tset w ( value ) {\n\n\t\t\tthis._w = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, w ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._w = w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t\t},\n\n\t\tcopy: function ( quaternion ) {\n\n\t\t\tthis._x = quaternion.x;\n\t\t\tthis._y = quaternion.y;\n\t\t\tthis._z = quaternion.z;\n\t\t\tthis._w = quaternion.w;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromEuler: function ( euler, update ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t\t//\tcontent/SpinCalc.m\n\n\t\t\tvar c1 = Math.cos( euler._x / 2 );\n\t\t\tvar c2 = Math.cos( euler._y / 2 );\n\t\t\tvar c3 = Math.cos( euler._z / 2 );\n\t\t\tvar s1 = Math.sin( euler._x / 2 );\n\t\t\tvar s2 = Math.sin( euler._y / 2 );\n\t\t\tvar s3 = Math.sin( euler._z / 2 );\n\n\t\t\tvar order = euler.order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\n\t\t\t}\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tvar halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\t\tthis._x = axis.x * s;\n\t\t\tthis._y = axis.y * s;\n\t\t\tthis._z = axis.z * s;\n\t\t\tthis._w = Math.cos( halfAngle );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m ) {\n\n\t\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements,\n\n\t\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\t\ttrace = m11 + m22 + m33,\n\t\t\t\ts;\n\n\t\t\tif ( trace > 0 ) {\n\n\t\t\t\ts = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\t\tthis._w = 0.25 / s;\n\t\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\t\tthis._x = 0.25 * s;\n\t\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t\t} else if ( m22 > m33 ) {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\t\tthis._y = 0.25 * s;\n\t\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t\t} else {\n\n\t\t\t\ts = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\t\tthis._z = 0.25 * s;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromUnitVectors: function () {\n\n\t\t\t// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final\n\n\t\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\t\tvar v1, r;\n\n\t\t\tvar EPS = 0.000001;\n\n\t\t\treturn function setFromUnitVectors( vFrom, vTo ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tr = vFrom.dot( vTo ) + 1;\n\n\t\t\t\tif ( r < EPS ) {\n\n\t\t\t\t\tr = 0;\n\n\t\t\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\t\t\tv1.set( - vFrom.y, vFrom.x, 0 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv1.set( 0, - vFrom.z, vFrom.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv1.crossVectors( vFrom, vTo );\n\n\t\t\t\t}\n\n\t\t\t\tthis._x = v1.x;\n\t\t\t\tthis._y = v1.y;\n\t\t\t\tthis._z = v1.z;\n\t\t\t\tthis._w = r;\n\n\t\t\t\treturn this.normalize();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tinverse: function () {\n\n\t\t\treturn this.conjugate().normalize();\n\n\t\t},\n\n\t\tconjugate: function () {\n\n\t\t\tthis._x *= - 1;\n\t\t\tthis._y *= - 1;\n\t\t\tthis._z *= - 1;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tvar l = this.length();\n\n\t\t\tif ( l === 0 ) {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = 0;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = 1;\n\n\t\t\t} else {\n\n\t\t\t\tl = 1 / l;\n\n\t\t\t\tthis._x = this._x * l;\n\t\t\t\tthis._y = this._y * l;\n\t\t\t\tthis._z = this._z * l;\n\t\t\t\tthis._w = this._w * l;\n\n\t\t\t}\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( q, p ) {\n\n\t\t\tif ( p !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyQuaternions( this, q );\n\n\t\t},\n\n\t\tpremultiply: function ( q ) {\n\n\t\t\treturn this.multiplyQuaternions( q, this );\n\n\t\t},\n\n\t\tmultiplyQuaternions: function ( a, b ) {\n\n\t\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\t\tvar qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\t\tvar qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tslerp: function ( qb, t ) {\n\n\t\t\tif ( t === 0 ) return this;\n\t\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\t\tvar x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\t\tvar cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\t\tthis._w = - qb._w;\n\t\t\t\tthis._x = - qb._x;\n\t\t\t\tthis._y = - qb._y;\n\t\t\t\tthis._z = - qb._z;\n\n\t\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t\t} else {\n\n\t\t\t\tthis.copy( qb );\n\n\t\t\t}\n\n\t\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\t\tthis._w = w;\n\t\t\t\tthis._x = x;\n\t\t\t\tthis._y = y;\n\t\t\t\tthis._z = z;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );\n\n\t\t\tif ( Math.abs( sinHalfTheta ) < 0.001 ) {\n\n\t\t\t\tthis._w = 0.5 * ( w + this._w );\n\t\t\t\tthis._x = 0.5 * ( x + this._x );\n\t\t\t\tthis._y = 0.5 * ( y + this._y );\n\t\t\t\tthis._z = 0.5 * ( z + this._z );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\t\tvar ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( quaternion ) {\n\n\t\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis._x = array[ offset ];\n\t\t\tthis._y = array[ offset + 1 ];\n\t\t\tthis._z = array[ offset + 2 ];\n\t\t\tthis._w = array[ offset + 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._w;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\tObject.assign( Quaternion, {\n\n\t\tslerp: function( qa, qb, qm, t ) {\n\n\t\t\treturn qm.copy( qa ).slerp( qb, t );\n\n\t\t},\n\n\t\tslerpFlat: function(\n\t\t\t\tdst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\t\tvar x0 = src0[ srcOffset0 + 0 ],\n\t\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\t\tw0 = src0[ srcOffset0 + 3 ],\n\n\t\t\t\tx1 = src1[ srcOffset1 + 0 ],\n\t\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\t\tvar s = 1 - t,\n\n\t\t\t\t\tcos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\n\t\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\t\tvar sin = Math.sqrt( sqrSin ),\n\t\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t\t}\n\n\t\t\t\tvar tDir = t * dir;\n\n\t\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t\t// Normalize in case we just did a lerp:\n\t\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\t\tvar f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\t\tx0 *= f;\n\t\t\t\t\ty0 *= f;\n\t\t\t\t\tz0 *= f;\n\t\t\t\t\tw0 *= f;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdst[ dstOffset ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author *kile / http://kile.stravaganza.org/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author egraether / http://egraether.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Vector3( x, y, z ) {\n\n\t\tthis.x = x || 0;\n\t\tthis.y = y || 0;\n\t\tthis.z = z || 0;\n\n\t}\n\n\tVector3.prototype = {\n\n\t\tconstructor: Vector3,\n\n\t\tisVector3: true,\n\n\t\tset: function ( x, y, z ) {\n\n\t\t\tthis.x = x;\n\t\t\tthis.y = y;\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.x = scalar;\n\t\t\tthis.y = scalar;\n\t\t\tthis.z = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetX: function ( x ) {\n\n\t\t\tthis.x = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( y ) {\n\n\t\t\tthis.y = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( z ) {\n\n\t\t\tthis.z = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponent: function ( index, value ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: this.x = value; break;\n\t\t\t\tcase 1: this.y = value; break;\n\t\t\t\tcase 2: this.z = value; break;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\t\t\t\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetComponent: function ( index ) {\n\n\t\t\tswitch ( index ) {\n\n\t\t\t\tcase 0: return this.x;\n\t\t\t\tcase 1: return this.y;\n\t\t\t\tcase 2: return this.z;\n\t\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t\t},\n\n\t\tcopy: function ( v ) {\n\n\t\t\tthis.x = v.x;\n\t\t\tthis.y = v.y;\n\t\t\tthis.z = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\t\treturn this.addVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x += v.x;\n\t\t\tthis.y += v.y;\n\t\t\tthis.z += v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.x += s;\n\t\t\tthis.y += s;\n\t\t\tthis.z += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x + b.x;\n\t\t\tthis.y = a.y + b.y;\n\t\t\tthis.z = a.z + b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScaledVector: function ( v, s ) {\n\n\t\t\tthis.x += v.x * s;\n\t\t\tthis.y += v.y * s;\n\t\t\tthis.z += v.z * s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\t\treturn this.subVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x -= v.x;\n\t\t\tthis.y -= v.y;\n\t\t\tthis.z -= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubScalar: function ( s ) {\n\n\t\t\tthis.x -= s;\n\t\t\tthis.y -= s;\n\t\t\tthis.z -= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsubVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x - b.x;\n\t\t\tthis.y = a.y - b.y;\n\t\t\tthis.z = a.z - b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t\t}\n\n\t\t\tthis.x *= v.x;\n\t\t\tthis.y *= v.y;\n\t\t\tthis.z *= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( scalar ) {\n\n\t\t\tif ( isFinite( scalar ) ) {\n\n\t\t\t\tthis.x *= scalar;\n\t\t\t\tthis.y *= scalar;\n\t\t\t\tthis.z *= scalar;\n\n\t\t\t} else {\n\n\t\t\t\tthis.x = 0;\n\t\t\t\tthis.y = 0;\n\t\t\t\tthis.z = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyVectors: function ( a, b ) {\n\n\t\t\tthis.x = a.x * b.x;\n\t\t\tthis.y = a.y * b.y;\n\t\t\tthis.z = a.z * b.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyEuler: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyEuler( euler ) {\n\n\t\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromEuler( euler ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyAxisAngle: function () {\n\n\t\t\tvar quaternion;\n\n\t\t\treturn function applyAxisAngle( axis, angle ) {\n\n\t\t\t\tif ( quaternion === undefined ) quaternion = new Quaternion();\n\n\t\t\t\treturn this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix3: function ( m ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyProjection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 projection matrix\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\t\t\tvar d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide\n\n\t\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;\n\t\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;\n\t\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyQuaternion: function ( q ) {\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t\t// calculate quat * vector\n\n\t\t\tvar ix = qw * x + qy * z - qz * y;\n\t\t\tvar iy = qw * y + qz * x - qx * z;\n\t\t\tvar iz = qw * z + qx * y - qy * x;\n\t\t\tvar iw = - qx * x - qy * y - qz * z;\n\n\t\t\t// calculate result * inverse quat\n\n\t\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function project( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tunproject: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function unproject( camera ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );\n\t\t\t\treturn this.applyProjection( matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttransformDirection: function ( m ) {\n\n\t\t\t// input: THREE.Matrix4 affine matrix\n\t\t\t// vector interpreted as a direction\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\t\t\tvar e = m.elements;\n\n\t\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\t\treturn this.normalize();\n\n\t\t},\n\n\t\tdivide: function ( v ) {\n\n\t\t\tthis.x /= v.x;\n\t\t\tthis.y /= v.y;\n\t\t\tthis.z /= v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdivideScalar: function ( scalar ) {\n\n\t\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t\t},\n\n\t\tmin: function ( v ) {\n\n\t\t\tthis.x = Math.min( this.x, v.x );\n\t\t\tthis.y = Math.min( this.y, v.y );\n\t\t\tthis.z = Math.min( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmax: function ( v ) {\n\n\t\t\tthis.x = Math.max( this.x, v.x );\n\t\t\tthis.y = Math.max( this.y, v.y );\n\t\t\tthis.z = Math.max( this.z, v.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclamp: function ( min, max ) {\n\n\t\t\t// This function assumes min < max, if this assumption isn't true it will not operate correctly\n\n\t\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclampScalar: function () {\n\n\t\t\tvar min, max;\n\n\t\t\treturn function clampScalar( minVal, maxVal ) {\n\n\t\t\t\tif ( min === undefined ) {\n\n\t\t\t\t\tmin = new Vector3();\n\t\t\t\t\tmax = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tmin.set( minVal, minVal, minVal );\n\t\t\t\tmax.set( maxVal, maxVal, maxVal );\n\n\t\t\t\treturn this.clamp( min, max );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclampLength: function ( min, max ) {\n\n\t\t\tvar length = this.length();\n\n\t\t\treturn this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );\n\n\t\t},\n\n\t\tfloor: function () {\n\n\t\t\tthis.x = Math.floor( this.x );\n\t\t\tthis.y = Math.floor( this.y );\n\t\t\tthis.z = Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tceil: function () {\n\n\t\t\tthis.x = Math.ceil( this.x );\n\t\t\tthis.y = Math.ceil( this.y );\n\t\t\tthis.z = Math.ceil( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tround: function () {\n\n\t\t\tthis.x = Math.round( this.x );\n\t\t\tthis.y = Math.round( this.y );\n\t\t\tthis.z = Math.round( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\troundToZero: function () {\n\n\t\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.x = - this.x;\n\t\t\tthis.y = - this.y;\n\t\t\tthis.z = - this.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdot: function ( v ) {\n\n\t\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t\t},\n\n\t\tlengthSq: function () {\n\n\t\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t\t},\n\n\t\tlength: function () {\n\n\t\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t\t},\n\n\t\tlengthManhattan: function () {\n\n\t\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\treturn this.divideScalar( this.length() );\n\n\t\t},\n\n\t\tsetLength: function ( length ) {\n\n\t\t\treturn this.multiplyScalar( length / this.length() );\n\n\t\t},\n\n\t\tlerp: function ( v, alpha ) {\n\n\t\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerpVectors: function ( v1, v2, alpha ) {\n\n\t\t\treturn this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );\n\n\t\t},\n\n\t\tcross: function ( v, w ) {\n\n\t\t\tif ( w !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\t\treturn this.crossVectors( v, w );\n\n\t\t\t}\n\n\t\t\tvar x = this.x, y = this.y, z = this.z;\n\n\t\t\tthis.x = y * v.z - z * v.y;\n\t\t\tthis.y = z * v.x - x * v.z;\n\t\t\tthis.z = x * v.y - y * v.x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossVectors: function ( a, b ) {\n\n\t\t\tvar ax = a.x, ay = a.y, az = a.z;\n\t\t\tvar bx = b.x, by = b.y, bz = b.z;\n\n\t\t\tthis.x = ay * bz - az * by;\n\t\t\tthis.y = az * bx - ax * bz;\n\t\t\tthis.z = ax * by - ay * bx;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tprojectOnVector: function ( vector ) {\n\n\t\t\tvar scalar = vector.dot( this ) / vector.lengthSq();\n\n\t\t\treturn this.copy( vector ).multiplyScalar( scalar );\n\n\t\t},\n\n\t\tprojectOnPlane: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function projectOnPlane( planeNormal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tv1.copy( this ).projectOnVector( planeNormal );\n\n\t\t\t\treturn this.sub( v1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\treflect: function () {\n\n\t\t\t// reflect incident vector off plane orthogonal to normal\n\t\t\t// normal is assumed to have unit length\n\n\t\t\tvar v1;\n\n\t\t\treturn function reflect( normal ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\treturn this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tangleTo: function ( v ) {\n\n\t\t\tvar theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );\n\n\t\t\t// clamp, to handle numerical problems\n\n\t\t\treturn Math.acos( _Math.clamp( theta, - 1, 1 ) );\n\n\t\t},\n\n\t\tdistanceTo: function ( v ) {\n\n\t\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t\t},\n\n\t\tdistanceToSquared: function ( v ) {\n\n\t\t\tvar dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t\t},\n\n\t\tdistanceToManhattan: function ( v ) {\n\n\t\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t\t},\n\n\t\tsetFromSpherical: function( s ) {\n\n\t\t\tvar sinPhiRadius = Math.sin( s.phi ) * s.radius;\n\n\t\t\tthis.x = sinPhiRadius * Math.sin( s.theta );\n\t\t\tthis.y = Math.cos( s.phi ) * s.radius;\n\t\t\tthis.z = sinPhiRadius * Math.cos( s.theta );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixPosition: function ( m ) {\n\n\t\t\treturn this.setFromMatrixColumn( m, 3 );\n\n\t\t},\n\n\t\tsetFromMatrixScale: function ( m ) {\n\n\t\t\tvar sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\t\tvar sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\t\tvar sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\tthis.x = sx;\n\t\t\tthis.y = sy;\n\t\t\tthis.z = sz;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrixColumn: function ( m, index ) {\n\n\t\t\tif ( typeof m === 'number' ) {\n\n\t\t\t\tconsole.warn( 'THREE.Vector3: setFromMatrixColumn now expects ( matrix, index ).' );\n\t\t\t\tvar temp = m;\n\t\t\t\tm = index;\n\t\t\t\tindex = temp;\n\n\t\t\t}\n\n\t\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t\t},\n\n\t\tequals: function ( v ) {\n\n\t\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.x = array[ offset ];\n\t\t\tthis.y = array[ offset + 1 ];\n\t\t\tthis.z = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.x;\n\t\t\tarray[ offset + 1 ] = this.y;\n\t\t\tarray[ offset + 2 ] = this.z;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tfromAttribute: function ( attribute, index, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tindex = index * attribute.itemSize + offset;\n\n\t\t\tthis.x = attribute.array[ index ];\n\t\t\tthis.y = attribute.array[ index + 1 ];\n\t\t\tthis.z = attribute.array[ index + 2 ];\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author philogb / http://blog.thejit.org/\n\t * @author jordi_ros / http://plattsoft.com\n\t * @author D1plo1d / http://github.com/D1plo1d\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author timknip / http://www.floorplanner.com/\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Matrix4() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix4.prototype = {\n\n\t\tconstructor: Matrix4,\n\n\t\tisMatrix4: true,\n\n\t\tset: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, 1, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new Matrix4().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tthis.elements.set( m.elements );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyPosition: function ( m ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = m.elements;\n\n\t\t\tte[ 12 ] = me[ 12 ];\n\t\t\tte[ 13 ] = me[ 13 ];\n\t\t\tte[ 14 ] = me[ 14 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeBasis: function ( xAxis, yAxis, zAxis ) {\n\n\t\t\tthis.set(\n\t\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\textractRotation: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function extractRotation( m ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\n\t\t\t\tvar te = this.elements;\n\t\t\t\tvar me = m.elements;\n\n\t\t\t\tvar scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();\n\t\t\t\tvar scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();\n\t\t\t\tvar scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();\n\n\t\t\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\t\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\t\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\n\t\t\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\t\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\t\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\n\t\t\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\t\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\t\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeRotationFromEuler: function ( euler ) {\n\n\t\t\tif ( (euler && euler.isEuler) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t\t}\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = euler.x, y = euler.y, z = euler.z;\n\t\t\tvar a = Math.cos( x ), b = Math.sin( x );\n\t\t\tvar c = Math.cos( y ), d = Math.sin( y );\n\t\t\tvar e = Math.cos( z ), f = Math.sin( z );\n\n\t\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - c * f;\n\t\t\t\tte[ 8 ] = d;\n\n\t\t\t\tte[ 1 ] = af + be * d;\n\t\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\t\tte[ 9 ] = - b * c;\n\n\t\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\t\tte[ 6 ] = be + af * d;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce + df * b;\n\t\t\t\tte[ 4 ] = de * b - cf;\n\t\t\t\tte[ 8 ] = a * d;\n\n\t\t\t\tte[ 1 ] = a * f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b;\n\n\t\t\t\tte[ 2 ] = cf * b - de;\n\t\t\t\tte[ 6 ] = df + ce * b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\t\tvar ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\t\tte[ 0 ] = ce - df * b;\n\t\t\t\tte[ 4 ] = - a * f;\n\t\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\t\tte[ 1 ] = cf + de * b;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\t\tte[ 2 ] = - a * d;\n\t\t\t\tte[ 6 ] = b;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\t\tvar ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = be * d - af;\n\t\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\t\tte[ 1 ] = c * f;\n\t\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\t\tte[ 2 ] = - d;\n\t\t\t\tte[ 6 ] = b * c;\n\t\t\t\tte[ 10 ] = a * c;\n\n\t\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\t\tte[ 1 ] = f;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = - b * e;\n\n\t\t\t\tte[ 2 ] = - d * e;\n\t\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\t\tvar ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\t\tte[ 0 ] = c * e;\n\t\t\t\tte[ 4 ] = - f;\n\t\t\t\tte[ 8 ] = d * e;\n\n\t\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\t\tte[ 5 ] = a * e;\n\t\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\t\tte[ 6 ] = b * e;\n\t\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t\t}\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationFromQuaternion: function ( q ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar x = q.x, y = q.y, z = q.z, w = q.w;\n\t\t\tvar x2 = x + x, y2 = y + y, z2 = z + z;\n\t\t\tvar xx = x * x2, xy = x * y2, xz = x * z2;\n\t\t\tvar yy = y * y2, yz = y * z2, zz = z * z2;\n\t\t\tvar wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\t\tte[ 0 ] = 1 - ( yy + zz );\n\t\t\tte[ 4 ] = xy - wz;\n\t\t\tte[ 8 ] = xz + wy;\n\n\t\t\tte[ 1 ] = xy + wz;\n\t\t\tte[ 5 ] = 1 - ( xx + zz );\n\t\t\tte[ 9 ] = yz - wx;\n\n\t\t\tte[ 2 ] = xz - wy;\n\t\t\tte[ 6 ] = yz + wx;\n\t\t\tte[ 10 ] = 1 - ( xx + yy );\n\n\t\t\t// last column\n\t\t\tte[ 3 ] = 0;\n\t\t\tte[ 7 ] = 0;\n\t\t\tte[ 11 ] = 0;\n\n\t\t\t// bottom row\n\t\t\tte[ 12 ] = 0;\n\t\t\tte[ 13 ] = 0;\n\t\t\tte[ 14 ] = 0;\n\t\t\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlookAt: function () {\n\n\t\t\tvar x, y, z;\n\n\t\t\treturn function lookAt( eye, target, up ) {\n\n\t\t\t\tif ( x === undefined ) {\n\n\t\t\t\t\tx = new Vector3();\n\t\t\t\t\ty = new Vector3();\n\t\t\t\t\tz = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tz.subVectors( eye, target ).normalize();\n\n\t\t\t\tif ( z.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z = 1;\n\n\t\t\t\t}\n\n\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\tif ( x.lengthSq() === 0 ) {\n\n\t\t\t\t\tz.z += 0.0001;\n\t\t\t\t\tx.crossVectors( up, z ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\ty.crossVectors( z, x );\n\n\n\t\t\t\tte[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;\n\t\t\t\tte[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;\n\t\t\t\tte[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiply: function ( m, n ) {\n\n\t\t\tif ( n !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t\t}\n\n\t\t\treturn this.multiplyMatrices( this, m );\n\n\t\t},\n\n\t\tpremultiply: function ( m ) {\n\n\t\t\treturn this.multiplyMatrices( m, this );\n\n\t\t},\n\n\t\tmultiplyMatrices: function ( a, b ) {\n\n\t\t\tvar ae = a.elements;\n\t\t\tvar be = b.elements;\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\t\tvar a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\t\tvar a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\t\tvar a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\t\tvar b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\t\tvar b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\t\tvar b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\t\tvar b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyToArray: function ( a, b, r ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tthis.multiplyMatrices( a, b );\n\n\t\t\tr[ 0 ] = te[ 0 ]; r[ 1 ] = te[ 1 ]; r[ 2 ] = te[ 2 ]; r[ 3 ] = te[ 3 ];\n\t\t\tr[ 4 ] = te[ 4 ]; r[ 5 ] = te[ 5 ]; r[ 6 ] = te[ 6 ]; r[ 7 ] = te[ 7 ];\n\t\t\tr[ 8 ] = te[ 8 ]; r[ 9 ] = te[ 9 ]; r[ 10 ] = te[ 10 ]; r[ 11 ] = te[ 11 ];\n\t\t\tr[ 12 ] = te[ 12 ]; r[ 13 ] = te[ 13 ]; r[ 14 ] = te[ 14 ]; r[ 15 ] = te[ 15 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix4( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix4( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\t\tvar n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\t\tvar n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\t\tvar n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t\t//TODO: make this more efficient\n\t\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\t\treturn (\n\t\t\t\tn41 * (\n\t\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t\t - n13 * n24 * n32\n\t\t\t\t\t - n14 * n22 * n33\n\t\t\t\t\t + n12 * n24 * n33\n\t\t\t\t\t + n13 * n22 * n34\n\t\t\t\t\t - n12 * n23 * n34\n\t\t\t\t) +\n\t\t\t\tn42 * (\n\t\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t\t - n11 * n24 * n33\n\t\t\t\t\t + n14 * n21 * n33\n\t\t\t\t\t - n13 * n21 * n34\n\t\t\t\t\t + n13 * n24 * n31\n\t\t\t\t\t - n14 * n23 * n31\n\t\t\t\t) +\n\t\t\t\tn43 * (\n\t\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t\t - n11 * n22 * n34\n\t\t\t\t\t - n14 * n21 * n32\n\t\t\t\t\t + n12 * n21 * n34\n\t\t\t\t\t + n14 * n22 * n31\n\t\t\t\t\t - n12 * n24 * n31\n\t\t\t\t) +\n\t\t\t\tn44 * (\n\t\t\t\t\t- n13 * n22 * n31\n\t\t\t\t\t - n11 * n23 * n32\n\t\t\t\t\t + n11 * n22 * n33\n\t\t\t\t\t + n13 * n21 * n32\n\t\t\t\t\t - n12 * n21 * n33\n\t\t\t\t\t + n12 * n23 * n31\n\t\t\t\t)\n\n\t\t\t);\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar tmp;\n\n\t\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetPosition: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function getPosition() {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\n\t\t\t\treturn v1.setFromMatrixColumn( this, 3 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetPosition: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 12 ] = v.x;\n\t\t\tte[ 13 ] = v.y;\n\t\t\tte[ 14 ] = v.z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetInverse: function ( m, throwOnDegenerate ) {\n\n\t\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\t\tvar te = this.elements,\n\t\t\t\tme = m.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],\n\t\t\t\tn12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],\n\t\t\t\tn13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],\n\t\t\t\tn14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],\n\n\t\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\t\tvar det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 4 ] = t12 * detInv;\n\t\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\t\tte[ 8 ] = t13 * detInv;\n\t\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\t\tte[ 12 ] = t14 * detInv;\n\t\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tscale: function ( v ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = v.x, y = v.y, z = v.z;\n\n\t\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetMaxScaleOnAxis: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\t\tvar scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\t\tvar scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t\t},\n\n\t\tmakeTranslation: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationX: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, 0,\n\t\t\t\t0, c, - s, 0,\n\t\t\t\t0, s, c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationY: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\t c, 0, s, 0,\n\t\t\t\t 0, 1, 0, 0,\n\t\t\t\t- s, 0, c, 0,\n\t\t\t\t 0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationZ: function ( theta ) {\n\n\t\t\tvar c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\t\tthis.set(\n\n\t\t\t\tc, - s, 0, 0,\n\t\t\t\ts, c, 0, 0,\n\t\t\t\t0, 0, 1, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeRotationAxis: function ( axis, angle ) {\n\n\t\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\t\tvar c = Math.cos( angle );\n\t\t\tvar s = Math.sin( angle );\n\t\t\tvar t = 1 - c;\n\t\t\tvar x = axis.x, y = axis.y, z = axis.z;\n\t\t\tvar tx = t * x, ty = t * y;\n\n\t\t\tthis.set(\n\n\t\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\t return this;\n\n\t\t},\n\n\t\tmakeScale: function ( x, y, z ) {\n\n\t\t\tthis.set(\n\n\t\t\t\tx, 0, 0, 0,\n\t\t\t\t0, y, 0, 0,\n\t\t\t\t0, 0, z, 0,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcompose: function ( position, quaternion, scale ) {\n\n\t\t\tthis.makeRotationFromQuaternion( quaternion );\n\t\t\tthis.scale( scale );\n\t\t\tthis.setPosition( position );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdecompose: function () {\n\n\t\t\tvar vector, matrix;\n\n\t\t\treturn function decompose( position, quaternion, scale ) {\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tvector = new Vector3();\n\t\t\t\t\tmatrix = new Matrix4();\n\n\t\t\t\t}\n\n\t\t\t\tvar te = this.elements;\n\n\t\t\t\tvar sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\t\t\tvar sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\t\t\tvar sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t\t\t// if determine is negative, we need to invert one scale\n\t\t\t\tvar det = this.determinant();\n\t\t\t\tif ( det < 0 ) {\n\n\t\t\t\t\tsx = - sx;\n\n\t\t\t\t}\n\n\t\t\t\tposition.x = te[ 12 ];\n\t\t\t\tposition.y = te[ 13 ];\n\t\t\t\tposition.z = te[ 14 ];\n\n\t\t\t\t// scale the rotation part\n\n\t\t\t\tmatrix.elements.set( this.elements ); // at this point matrix is incomplete so we can't use .copy()\n\n\t\t\t\tvar invSX = 1 / sx;\n\t\t\t\tvar invSY = 1 / sy;\n\t\t\t\tvar invSZ = 1 / sz;\n\n\t\t\t\tmatrix.elements[ 0 ] *= invSX;\n\t\t\t\tmatrix.elements[ 1 ] *= invSX;\n\t\t\t\tmatrix.elements[ 2 ] *= invSX;\n\n\t\t\t\tmatrix.elements[ 4 ] *= invSY;\n\t\t\t\tmatrix.elements[ 5 ] *= invSY;\n\t\t\t\tmatrix.elements[ 6 ] *= invSY;\n\n\t\t\t\tmatrix.elements[ 8 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 9 ] *= invSZ;\n\t\t\t\tmatrix.elements[ 10 ] *= invSZ;\n\n\t\t\t\tquaternion.setFromRotationMatrix( matrix );\n\n\t\t\t\tscale.x = sx;\n\t\t\t\tscale.y = sy;\n\t\t\t\tscale.z = sz;\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmakeFrustum: function ( left, right, bottom, top, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar x = 2 * near / ( right - left );\n\t\t\tvar y = 2 * near / ( top - bottom );\n\n\t\t\tvar a = ( right + left ) / ( right - left );\n\t\t\tvar b = ( top + bottom ) / ( top - bottom );\n\t\t\tvar c = - ( far + near ) / ( far - near );\n\t\t\tvar d = - 2 * far * near / ( far - near );\n\n\t\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakePerspective: function ( fov, aspect, near, far ) {\n\n\t\t\tvar ymax = near * Math.tan( _Math.DEG2RAD * fov * 0.5 );\n\t\t\tvar ymin = - ymax;\n\t\t\tvar xmin = ymin * aspect;\n\t\t\tvar xmax = ymax * aspect;\n\n\t\t\treturn this.makeFrustum( xmin, xmax, ymin, ymax, near, far );\n\n\t\t},\n\n\t\tmakeOrthographic: function ( left, right, top, bottom, near, far ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar w = 1.0 / ( right - left );\n\t\t\tvar h = 1.0 / ( top - bottom );\n\t\t\tvar p = 1.0 / ( far - near );\n\n\t\t\tvar x = ( right + left ) * w;\n\t\t\tvar y = ( top + bottom ) * h;\n\t\t\tvar z = ( far + near ) * p;\n\n\t\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( matrix ) {\n\n\t\t\tvar te = this.elements;\n\t\t\tvar me = matrix.elements;\n\n\t\t\tfor ( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 16; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tTexture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tCubeTexture.prototype = Object.create( Texture.prototype );\n\tCubeTexture.prototype.constructor = CubeTexture;\n\n\tCubeTexture.prototype.isCubeTexture = true;\n\n\tObject.defineProperty( CubeTexture.prototype, 'images', {\n\n\t\tget: function () {\n\n\t\t\treturn this.image;\n\n\t\t},\n\n\t\tset: function ( value ) {\n\n\t\t\tthis.image = value;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t *\n\t * Uniforms of a program.\n\t * Those form a tree structure with a special top-level container for the root,\n\t * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.\n\t *\n\t *\n\t * Properties of inner nodes including the top-level container:\n\t *\n\t * .seq - array of nested uniforms\n\t * .map - nested uniforms by name\n\t *\n\t *\n\t * Methods of all nodes except the top-level container:\n\t *\n\t * .setValue( gl, value, [renderer] )\n\t *\n\t * \t\tuploads a uniform value(s)\n\t * \tthe 'renderer' parameter is needed for sampler uniforms\n\t *\n\t *\n\t * Static methods of the top-level container (renderer factorizations):\n\t *\n\t * .upload( gl, seq, values, renderer )\n\t *\n\t * \t\tsets uniforms in 'seq' to 'values[id].value'\n\t *\n\t * .seqWithValue( seq, values ) : filteredSeq\n\t *\n\t * \t\tfilters 'seq' entries with corresponding entry in values\n\t *\n\t *\n\t * Methods of the top-level container (renderer factorizations):\n\t *\n\t * .setValue( gl, name, value )\n\t *\n\t * \t\tsets uniform with name 'name' to 'value'\n\t *\n\t * .set( gl, obj, prop )\n\t *\n\t * \t\tsets uniform from object and property with same name than uniform\n\t *\n\t * .setOptional( gl, obj, prop )\n\t *\n\t * \t\tlike .set for an optional property of the object\n\t *\n\t */\n\n\tvar emptyTexture = new Texture();\n\tvar emptyCubeTexture = new CubeTexture();\n\n\t// --- Base for inner nodes (including the root) ---\n\n\tfunction UniformContainer() {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\t// --- Utilities ---\n\n\t// Array Caches (provide typed arrays for temporary by size)\n\n\tvar arrayCacheF32 = [];\n\tvar arrayCacheI32 = [];\n\n\t// Flattening for arrays of vectors and matrices\n\n\tfunction flatten( array, nBlocks, blockSize ) {\n\n\t\tvar firstElem = array[ 0 ];\n\n\t\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t\t// unoptimized: ! isNaN( firstElem )\n\t\t// see http://jacksondunstan.com/articles/983\n\n\t\tvar n = nBlocks * blockSize,\n\t\t\tr = arrayCacheF32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Float32Array( n );\n\t\t\tarrayCacheF32[ n ] = r;\n\n\t\t}\n\n\t\tif ( nBlocks !== 0 ) {\n\n\t\t\tfirstElem.toArray( r, 0 );\n\n\t\t\tfor ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\t\toffset += blockSize;\n\t\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n\t// Texture unit allocation\n\n\tfunction allocTexUnits( renderer, n ) {\n\n\t\tvar r = arrayCacheI32[ n ];\n\n\t\tif ( r === undefined ) {\n\n\t\t\tr = new Int32Array( n );\n\t\t\tarrayCacheI32[ n ] = r;\n\n\t\t}\n\n\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\tr[ i ] = renderer.allocTextureUnit();\n\n\t\treturn r;\n\n\t}\n\n\t// --- Setters ---\n\n\t// Note: Defining these methods externally, because they come in a bunch\n\t// and this way their names minify.\n\n\t// Single scalar\n\n\tfunction setValue1f( gl, v ) { gl.uniform1f( this.addr, v ); }\n\tfunction setValue1i( gl, v ) { gl.uniform1i( this.addr, v ); }\n\n\t// Single float vector (from flat array or THREE.VectorN)\n\n\tfunction setValue2fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform2fv( this.addr, v );\n\t\telse gl.uniform2f( this.addr, v.x, v.y );\n\n\t}\n\n\tfunction setValue3fv( gl, v ) {\n\n\t\tif ( v.x !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\t\telse if ( v.r !== undefined )\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\t\telse\n\t\t\tgl.uniform3fv( this.addr, v );\n\n\t}\n\n\tfunction setValue4fv( gl, v ) {\n\n\t\tif ( v.x === undefined ) gl.uniform4fv( this.addr, v );\n\t\telse gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t}\n\n\t// Single matrix (from flat array or MatrixN)\n\n\tfunction setValue2fm( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue3fm( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v.elements || v );\n\n\t}\n\n\tfunction setValue4fm( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v.elements || v );\n\n\t}\n\n\t// Single texture (2D / Cube)\n\n\tfunction setValueT1( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTexture2D( v || emptyTexture, unit );\n\n\t}\n\n\tfunction setValueT6( gl, v, renderer ) {\n\n\t\tvar unit = renderer.allocTextureUnit();\n\t\tgl.uniform1i( this.addr, unit );\n\t\trenderer.setTextureCube( v || emptyCubeTexture, unit );\n\n\t}\n\n\t// Integer / Boolean vectors or arrays thereof (always flat arrays)\n\n\tfunction setValue2iv( gl, v ) { gl.uniform2iv( this.addr, v ); }\n\tfunction setValue3iv( gl, v ) { gl.uniform3iv( this.addr, v ); }\n\tfunction setValue4iv( gl, v ) { gl.uniform4iv( this.addr, v ); }\n\n\t// Helper to pick the right setter for the singular case\n\n\tfunction getSingularSetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1f; // FLOAT\n\t\t\tcase 0x8b50: return setValue2fv; // _VEC2\n\t\t\tcase 0x8b51: return setValue3fv; // _VEC3\n\t\t\tcase 0x8b52: return setValue4fv; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValue2fm; // _MAT2\n\t\t\tcase 0x8b5b: return setValue3fm; // _MAT3\n\t\t\tcase 0x8b5c: return setValue4fm; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1i; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// Array of scalars\n\n\tfunction setValue1fv( gl, v ) { gl.uniform1fv( this.addr, v ); }\n\tfunction setValue1iv( gl, v ) { gl.uniform1iv( this.addr, v ); }\n\n\t// Array of vectors (flat or from THREE classes)\n\n\tfunction setValueV2a( gl, v ) {\n\n\t\tgl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );\n\n\t}\n\n\tfunction setValueV3a( gl, v ) {\n\n\t\tgl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );\n\n\t}\n\n\tfunction setValueV4a( gl, v ) {\n\n\t\tgl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );\n\n\t}\n\n\t// Array of matrices (flat or from THREE clases)\n\n\tfunction setValueM2a( gl, v ) {\n\n\t\tgl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );\n\n\t}\n\n\tfunction setValueM3a( gl, v ) {\n\n\t\tgl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );\n\n\t}\n\n\tfunction setValueM4a( gl, v ) {\n\n\t\tgl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );\n\n\t}\n\n\t// Array of textures (2D / Cube)\n\n\tfunction setValueT1a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\tfunction setValueT6a( gl, v, renderer ) {\n\n\t\tvar n = v.length,\n\t\t\tunits = allocTexUnits( renderer, n );\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\trenderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t\t}\n\n\t}\n\n\t// Helper to pick the right setter for a pure (bottom-level) array\n\n\tfunction getPureArraySetter( type ) {\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 0x1406: return setValue1fv; // FLOAT\n\t\t\tcase 0x8b50: return setValueV2a; // _VEC2\n\t\t\tcase 0x8b51: return setValueV3a; // _VEC3\n\t\t\tcase 0x8b52: return setValueV4a; // _VEC4\n\n\t\t\tcase 0x8b5a: return setValueM2a; // _MAT2\n\t\t\tcase 0x8b5b: return setValueM3a; // _MAT3\n\t\t\tcase 0x8b5c: return setValueM4a; // _MAT4\n\n\t\t\tcase 0x8b5e: return setValueT1a; // SAMPLER_2D\n\t\t\tcase 0x8b60: return setValueT6a; // SAMPLER_CUBE\n\n\t\t\tcase 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL\n\t\t\tcase 0x8b53: case 0x8b57: return setValue2iv; // _VEC2\n\t\t\tcase 0x8b54: case 0x8b58: return setValue3iv; // _VEC3\n\t\t\tcase 0x8b55: case 0x8b59: return setValue4iv; // _VEC4\n\n\t\t}\n\n\t}\n\n\t// --- Uniform Classes ---\n\n\tfunction SingleUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n\tfunction StructuredUniform( id ) {\n\n\t\tthis.id = id;\n\n\t\tUniformContainer.call( this ); // mix-in\n\n\t}\n\n\tStructuredUniform.prototype.setValue = function( gl, value ) {\n\n\t\t// Note: Don't need an extra 'renderer' parameter, since samplers\n\t\t// are not allowed in structured uniforms.\n\n\t\tvar seq = this.seq;\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ] );\n\n\t\t}\n\n\t};\n\n\t// --- Top-level ---\n\n\t// Parser - builds up the property tree from the path strings\n\n\tvar RePathPart = /([\\w\\d_]+)(\\])?(\\[|\\.)?/g;\n\n\t// extracts\n\t// \t- the identifier (member name or array index)\n\t// - followed by an optional right bracket (found when array index)\n\t// - followed by an optional left bracket or dot (type of subscript)\n\t//\n\t// Note: These portions can be read in a non-overlapping fashion and\n\t// allow straightforward parsing of the hierarchy that WebGL encodes\n\t// in the uniform names.\n\n\tfunction addUniform( container, uniformObject ) {\n\n\t\tcontainer.seq.push( uniformObject );\n\t\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n\t}\n\n\tfunction parseUniform( activeInfo, addr, container ) {\n\n\t\tvar path = activeInfo.name,\n\t\t\tpathLength = path.length;\n\n\t\t// reset RegExp object, because of the early exit of a previous run\n\t\tRePathPart.lastIndex = 0;\n\n\t\tfor (; ;) {\n\n\t\t\tvar match = RePathPart.exec( path ),\n\t\t\t\tmatchEnd = RePathPart.lastIndex,\n\n\t\t\t\tid = match[ 1 ],\n\t\t\t\tidIsIndex = match[ 2 ] === ']',\n\t\t\t\tsubscript = match[ 3 ];\n\n\t\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\t\tif ( subscript === undefined ||\n\t\t\t\t\tsubscript === '[' && matchEnd + 2 === pathLength ) {\n\t\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\t\tbreak;\n\n\t\t\t} else {\n\t\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\t\tvar map = container.map,\n\t\t\t\t\tnext = map[ id ];\n\n\t\t\t\tif ( next === undefined ) {\n\n\t\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\t\taddUniform( container, next );\n\n\t\t\t\t}\n\n\t\t\t\tcontainer = next;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Root Container\n\n\tfunction WebGLUniforms( gl, program, renderer ) {\n\n\t\tUniformContainer.call( this );\n\n\t\tthis.renderer = renderer;\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( var i = 0; i !== n; ++ i ) {\n\n\t\t\tvar info = gl.getActiveUniform( program, i ),\n\t\t\t\tpath = info.name,\n\t\t\t\taddr = gl.getUniformLocation( program, path );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tWebGLUniforms.prototype.setValue = function( gl, name, value ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.set = function( gl, object, name ) {\n\n\t\tvar u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, object[ name ], this.renderer );\n\n\t};\n\n\tWebGLUniforms.prototype.setOptional = function( gl, object, name ) {\n\n\t\tvar v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t};\n\n\n\t// Static interface\n\n\tWebGLUniforms.upload = function( gl, seq, values, renderer ) {\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\n\t\t\t\tu.setValue( gl, v.value, renderer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tWebGLUniforms.seqWithValue = function( seq, values ) {\n\n\t\tvar r = [];\n\n\t\tfor ( var i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tvar u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t};\n\n\t/**\n\t * Uniform Utilities\n\t */\n\n\tvar UniformsUtils = {\n\n\t\tmerge: function ( uniforms ) {\n\n\t\t\tvar merged = {};\n\n\t\t\tfor ( var u = 0; u < uniforms.length; u ++ ) {\n\n\t\t\t\tvar tmp = this.clone( uniforms[ u ] );\n\n\t\t\t\tfor ( var p in tmp ) {\n\n\t\t\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn merged;\n\n\t\t},\n\n\t\tclone: function ( uniforms_src ) {\n\n\t\t\tvar uniforms_dst = {};\n\n\t\t\tfor ( var u in uniforms_src ) {\n\n\t\t\t\tuniforms_dst[ u ] = {};\n\n\t\t\t\tfor ( var p in uniforms_src[ u ] ) {\n\n\t\t\t\t\tvar parameter_src = uniforms_src[ u ][ p ];\n\n\t\t\t\t\tif ( parameter_src && ( parameter_src.isColor ||\n\t\t\t\t\t\tparameter_src.isMatrix3 || parameter_src.isMatrix4 ||\n\t\t\t\t\t\tparameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||\n\t\t\t\t\t\tparameter_src.isTexture ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.clone();\n\n\t\t\t\t\t} else if ( Array.isArray( parameter_src ) ) {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src.slice();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuniforms_dst[ u ][ p ] = parameter_src;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn uniforms_dst;\n\n\t\t}\n\n\t};\n\n\tvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\\n\";\n\n\tvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\\n\";\n\n\tvar alphatest_fragment = \"#ifdef ALPHATEST\\n\\tif ( diffuseColor.a < ALPHATEST ) discard;\\n#endif\\n\";\n\n\tvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\\n\\t#endif\\n#endif\\n\";\n\n\tvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\n\tvar begin_vertex = \"\\nvec3 transformed = vec3( position );\\n\";\n\n\tvar beginnormal_vertex = \"\\nvec3 objectNormal = vec3( normal );\\n\";\n\n\tvar bsdfs = \"bool testLightInRange( const in float lightDistance, const in float cutoffDistance ) {\\n\\treturn any( bvec2( cutoffDistance == 0.0, lightDistance < cutoffDistance ) );\\n}\\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t\\tif( decayExponent > 0.0 ) {\\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\t\\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t\\treturn distanceFalloff * maxDistanceCutoffFactor;\\n#else\\n\\t\\t\\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n}\\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\\n\\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\\n\\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\\n}\\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\treturn 1.0 / ( gl * gv );\\n}\\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( G * D );\\n}\\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\\n\\treturn specularColor * AB.x + AB.y;\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, dotLH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\\n\\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\\n}\\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\\n\\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\\n}\\n\";\n\n\tvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 );\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\\n\";\n\n\tvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\\n\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t\\t\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\\n\\t\\t\\tvec4 plane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\tif ( clipped ) discard;\\n\\t\\n\\t#endif\\n#endif\\n\";\n\n\tvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\t\\tvarying vec3 vViewPosition;\\n\\t#endif\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\\n\";\n\n\tvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n\";\n\n\tvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n\";\n\n\tvar color_fragment = \"#ifdef USE_COLOR\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\n\tvar color_pars_fragment = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\\n\";\n\n\tvar color_pars_vertex = \"#ifdef USE_COLOR\\n\\tvarying vec3 vColor;\\n#endif\";\n\n\tvar color_vertex = \"#ifdef USE_COLOR\\n\\tvColor.xyz = color.xyz;\\n#endif\";\n\n\tvar common = \"#define PI 3.14159265359\\n#define PI2 6.28318530718\\n#define RECIPROCAL_PI 0.31830988618\\n#define RECIPROCAL_PI2 0.15915494\\n#define LOG2 1.442695\\n#define EPSILON 1e-6\\n#define saturate(a) clamp( a, 0.0, 1.0 )\\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract(sin(sn) * c);\\n}\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\tfloat distance = dot( planeNormal, point - pointOnPlane );\\n\\treturn - distance * planeNormal + point;\\n}\\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn sign( dot( point - pointOnPlane, planeNormal ) );\\n}\\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\\n\\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\\n}\\n\";\n\n\tvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n#define cubeUV_textureSize (1024.0)\\nint getFaceFromDirection(vec3 direction) {\\n\\tvec3 absDirection = abs(direction);\\n\\tint face = -1;\\n\\tif( absDirection.x > absDirection.z ) {\\n\\t\\tif(absDirection.x > absDirection.y )\\n\\t\\t\\tface = direction.x > 0.0 ? 0 : 3;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\telse {\\n\\t\\tif(absDirection.z > absDirection.y )\\n\\t\\t\\tface = direction.z > 0.0 ? 2 : 5;\\n\\t\\telse\\n\\t\\t\\tface = direction.y > 0.0 ? 1 : 4;\\n\\t}\\n\\treturn face;\\n}\\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\\n\\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\\n\\tfloat dxRoughness = dFdx(roughness);\\n\\tfloat dyRoughness = dFdy(roughness);\\n\\tvec3 dx = dFdx( vec * scale * dxRoughness );\\n\\tvec3 dy = dFdy( vec * scale * dyRoughness );\\n\\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\\n\\td = clamp(d, 1.0, cubeUV_rangeClamp);\\n\\tfloat mipLevel = 0.5 * log2(d);\\n\\treturn vec2(floor(mipLevel), fract(mipLevel));\\n}\\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\\n\\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\\n\\tfloat a = 16.0 * cubeUV_rcpTextureSize;\\n\\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\\n\\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\\n\\tfloat powScale = exp2_packed.x * exp2_packed.y;\\n\\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\\n\\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\\n\\tbool bRes = mipLevel == 0.0;\\n\\tscale = bRes && (scale < a) ? a : scale;\\n\\tvec3 r;\\n\\tvec2 offset;\\n\\tint face = getFaceFromDirection(direction);\\n\\tfloat rcpPowScale = 1.0 / powScale;\\n\\tif( face == 0) {\\n\\t\\tr = vec3(direction.x, -direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 1) {\\n\\t\\tr = vec3(direction.y, direction.x, direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 2) {\\n\\t\\tr = vec3(direction.z, direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\\n\\t}\\n\\telse if( face == 3) {\\n\\t\\tr = vec3(direction.x, direction.z, direction.y);\\n\\t\\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse if( face == 4) {\\n\\t\\tr = vec3(direction.y, direction.x, -direction.z);\\n\\t\\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\telse {\\n\\t\\tr = vec3(direction.z, -direction.x, direction.y);\\n\\t\\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\\n\\t\\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\\n\\t}\\n\\tr = normalize(r);\\n\\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\\n\\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\\n\\tvec2 base = offset + vec2( texelOffset );\\n\\treturn base + s * ( scale - 2.0 * texelOffset );\\n}\\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\\n\\tfloat roughnessVal = roughness* cubeUV_maxLods3;\\n\\tfloat r1 = floor(roughnessVal);\\n\\tfloat r2 = r1 + 1.0;\\n\\tfloat t = fract(roughnessVal);\\n\\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\\n\\tfloat s = mipInfo.y;\\n\\tfloat level0 = mipInfo.x;\\n\\tfloat level1 = level0 + 1.0;\\n\\tlevel1 = level1 > 5.0 ? 5.0 : level1;\\n\\tlevel0 += min( floor( s + 0.5 ), 5.0 );\\n\\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\\n\\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\\n\\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\\n\\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\\n\\tvec4 result = mix(color10, color20, t);\\n\\treturn vec4(result.rgb, 1.0);\\n}\\n#endif\\n\";\n\n\tvar defaultnormal_vertex = \"#ifdef FLIP_SIDED\\n\\tobjectNormal = -objectNormal;\\n#endif\\nvec3 transformedNormal = normalMatrix * objectNormal;\\n\";\n\n\tvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\\n\";\n\n\tvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\\n#endif\\n\";\n\n\tvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\\n\";\n\n\tvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\\n\";\n\n\tvar encodings_fragment = \" gl_FragColor = linearToOutputTexel( gl_FragColor );\\n\";\n\n\tvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n return value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n float maxComponent = max( max( value.r, value.g ), value.b );\\n float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.xyz * value.w * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n M = ceil( M * 255.0 ) / 255.0;\\n return vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n float maxRGB = max( value.x, max( value.g, value.b ) );\\n float D = max( maxRange / maxRGB, 1.0 );\\n D = min( floor( D ) / 255.0, 1.0 );\\n return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\\n Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\\n vec4 vResult;\\n vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n vResult.w = fract(Le);\\n vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\\n return vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n float Le = value.z * 255.0 + value.w;\\n vec3 Xp_Y_XYZp;\\n Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\\n Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\\n return vec4( max(vRGB, 0.0), 1.0 );\\n}\\n\";\n\n\tvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\tvec2 sampleUV;\\n\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\tvec4 envColor = texture2D( envMap, sampleUV );\\n\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\\n\\t\\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_fragment = \"#if defined( USE_ENVMAP ) || defined( PHYSICAL )\\n\\tuniform float reflectivity;\\n\\tuniform float envMapIntenstiy;\\n#endif\\n#ifdef USE_ENVMAP\\n\\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\tuniform float flipEnvMap;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\\n\";\n\n\tvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\n\";\n\n\tvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\\n\\t#else\\n\\t\\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\\n\\t#endif\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\\n\";\n\n\tvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\n\tvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n#endif\\n\";\n\n\tvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\n\tvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\n#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = PI * directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar lights_pars = \"uniform vec3 ambientLightColor;\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treturn irradiance;\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tdirectLight.color = directionalLight.color;\\n\\t\\tdirectLight.direction = directionalLight.direction;\\n\\t\\tdirectLight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tif ( testLightInRange( lightDistance, pointLight.distance ) ) {\\n\\t\\t\\tdirectLight.color = pointLight.color;\\n\\t\\t\\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t\\tint shadow;\\n\\t\\tfloat shadowBias;\\n\\t\\tfloat shadowRadius;\\n\\t\\tvec2 shadowMapSize;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tdirectLight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tfloat angleCos = dot( directLight.direction, spotLight.direction );\\n\\t\\tif ( all( bvec2( angleCos > spotLight.coneCos, testLightInRange( lightDistance, spotLight.distance ) ) ) ) {\\n\\t\\t\\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\t\\tdirectLight.color = spotLight.color;\\n\\t\\t\\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tdirectLight.visible = true;\\n\\t\\t} else {\\n\\t\\t\\tdirectLight.color = vec3( 0.0 );\\n\\t\\t\\tdirectLight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tirradiance *= PI;\\n\\t\\t#endif\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\\n\\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\\n\\t\\t#include \\n\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\\n\\t\\t#else\\n\\t\\t\\tvec4 envMapColor = vec4( 0.0 );\\n\\t\\t#endif\\n\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t}\\n\\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\tfloat maxMIPLevelScalar = float( maxMIPLevel );\\n\\t\\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\\n\\t\\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\\n\\t}\\n\\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\\n\\t\\t#endif\\n\\t\\t#include \\n\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\\n\\t\\t#elif defined( ENVMAP_TYPE_EQUIREC )\\n\\t\\t\\tvec2 sampleUV;\\n\\t\\t\\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\\n\\t\\t\\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#elif defined( ENVMAP_TYPE_SPHERE )\\n\\t\\t\\tvec3 reflectView = flipNormal * normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\\n\\t\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\t\\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\\n\\t\\t\\t#endif\\n\\t\\t\\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\\n\\t\\t#endif\\n\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t}\\n#endif\\n\";\n\n\tvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\\n\";\n\n\tvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\nstruct BlinnPhongMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tvec3\\tspecularColor;\\n\\tfloat\\tspecularShininess;\\n\\tfloat\\tspecularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\\n\";\n\n\tvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\\n#ifdef STANDARD\\n\\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.clearCoat = saturate( clearCoat );\\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\\n#endif\\n\";\n\n\tvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3\\tdiffuseColor;\\n\\tfloat\\tspecularRoughness;\\n\\tvec3\\tspecularColor;\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoat;\\n\\t\\tfloat clearCoatRoughness;\\n\\t#endif\\n};\\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\\n\\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\\n}\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tirradiance *= PI;\\n\\t#endif\\n\\t#ifndef STANDARD\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\\n\\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t#ifndef STANDARD\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\tfloat dotNL = dotNV;\\n\\t\\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\\n\\t#else\\n\\t\\tfloat clearCoatDHR = 0.0;\\n\\t#endif\\n\\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\\n\\t#ifndef STANDARD\\n\\t\\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\\n\\t#endif\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\\n\";\n\n\tvar lights_template = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = normalize( vViewPosition );\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\\n\\t\\t#ifdef USE_SHADOWMAP\\n\\t\\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t \\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\\n\\t#endif\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\\n\\t#ifndef STANDARD\\n\\t\\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\\n\\t#else\\n\\t\\tvec3 clearCoatRadiance = vec3( 0.0 );\\n\\t#endif\\n\\t\\t\\n\\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\\n#endif\\n\";\n\n\tvar logdepthbuf_fragment = \"#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\\n\\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\\n#endif\";\n\n\tvar logdepthbuf_pars_fragment = \"#ifdef USE_LOGDEPTHBUF\\n\\tuniform float logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n#endif\\n\";\n\n\tvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t#endif\\n\\tuniform float logDepthBufFC;\\n#endif\";\n\n\tvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t#else\\n\\t\\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\\n\\t#endif\\n#endif\\n\";\n\n\tvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\\n\";\n\n\tvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar map_particle_fragment = \"#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) * offsetRepeat.zw + offsetRepeat.xy );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n\";\n\n\tvar map_particle_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform vec4 offsetRepeat;\\n\\tuniform sampler2D map;\\n#endif\\n\";\n\n\tvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.r;\\n#endif\\n\";\n\n\tvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\n\tvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\\n#endif\\n\";\n\n\tvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_MORPHNORMALS\\n\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\n\tvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\\n\\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\\n\\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\\n\\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\\n\\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\\n\\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\\n\\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar normal_flip = \"#ifdef DOUBLE_SIDED\\n\\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\\n#else\\n\\tfloat flipNormal = 1.0;\\n#endif\\n\";\n\n\tvar normal_fragment = \"#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal ) * flipNormal;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tnormal = perturbNormal2Arb( -vViewPosition, normal );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\\n#endif\\n\";\n\n\tvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\\n\\t\\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\\n\\t\\tvec3 N = normalize( surf_norm );\\n\\t\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t\\tmapN.xy = normalScale * mapN.xy;\\n\\t\\tmat3 tsn = mat3( S, T, N );\\n\\t\\treturn normalize( tsn * mapN );\\n\\t}\\n#endif\\n\";\n\n\tvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n return normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n return 1.0 - 2.0 * rgb.xyz;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n return ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n return linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n return (( near + viewZ ) * far ) / (( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n return ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\\n\";\n\n\tvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n\";\n\n\tvar project_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 mvPosition = modelViewMatrix * skinned;\\n#else\\n\\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\\n#endif\\ngl_Position = projectionMatrix * mvPosition;\\n\";\n\n\tvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.r;\\n#endif\\n\";\n\n\tvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\n\tvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\\n\\t\\tconst vec2 offset = vec2( 0.0, 1.0 );\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / size;\\n\\t\\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\\n\\t\\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\\n\\t\\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\\n\\t\\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\\n\\t\\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\\n\\t\\tvec2 f = fract( uv * size + 0.5 );\\n\\t\\tfloat a = mix( lb, lt, f.y );\\n\\t\\tfloat b = mix( rb, rt, f.y );\\n\\t\\tfloat c = mix( a, b, f.x );\\n\\t\\treturn c;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowBias ) / 1000.0;\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\\n\";\n\n\tvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\\n\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHTS > 0\\n\\tDirectionalLight directionalLight;\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHTS > 0\\n\\tSpotLight spotLight;\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#if NUM_POINT_LIGHTS > 0\\n\\tPointLight pointLight;\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\\n\";\n\n\tvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\n\tvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform sampler2D boneTexture;\\n\\t\\tuniform int boneTextureWidth;\\n\\t\\tuniform int boneTextureHeight;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureWidth ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureWidth ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureWidth );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureHeight );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\\n\";\n\n\tvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\tskinned = bindMatrixInverse * skinned;\\n#endif\\n\";\n\n\tvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n#endif\\n\";\n\n\tvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\n\tvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\n\tvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\\n\";\n\n\tvar tonemapping_pars_fragment = \"#define saturate(a) clamp( a, 0.0, 1.0 )\\nuniform float toneMappingExposure;\\nuniform float toneMappingWhitePoint;\\nvec3 LinearToneMapping( vec3 color ) {\\n return toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\\nvec3 Uncharted2ToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n color *= toneMappingExposure;\\n color = max( vec3( 0.0 ), color - 0.004 );\\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\n\";\n\n\tvar uv_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n#endif\";\n\n\tvar uv_pars_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvarying vec2 vUv;\\n\\tuniform vec4 offsetRepeat;\\n#endif\\n\";\n\n\tvar uv_vertex = \"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\\n\\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\\n#endif\";\n\n\tvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n#endif\";\n\n\tvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = uv2;\\n#endif\";\n\n\tvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( PHYSICAL ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\\n\\t#ifdef USE_SKINNING\\n\\t\\tvec4 worldPosition = modelMatrix * skinned;\\n\\t#else\\n\\t\\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\\n\\t#endif\\n#endif\\n\";\n\n\tvar cube_frag = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\\n\\tgl_FragColor.a *= opacity;\\n}\\n\";\n\n\tvar cube_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\\n\\t#endif\\n}\\n\";\n\n\tvar depth_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar distanceRGBA_frag = \"uniform vec3 lightPos;\\nvarying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tgl_FragColor = packDepthToRGBA( length( vWorldPosition.xyz - lightPos.xyz ) / 1000.0 );\\n}\\n\";\n\n\tvar distanceRGBA_vert = \"varying vec4 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition;\\n}\\n\";\n\n\tvar equirect_frag = \"uniform sampler2D tEquirect;\\nuniform float tFlip;\\nvarying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldPosition );\\n\\tvec2 sampleUV;\\n\\tsampleUV.y = saturate( tFlip * direction.y * -0.5 + 0.5 );\\n\\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n}\\n\";\n\n\tvar equirect_vert = \"varying vec3 vWorldPosition;\\n#include \\nvoid main() {\\n\\tvWorldPosition = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvLineDistance = scale * lineDistance;\\n\\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight;\\n\\treflectedLight.directDiffuse = vec3( 0.0 );\\n\\treflectedLight.directSpecular = vec3( 0.0 );\\n\\treflectedLight.indirectDiffuse = diffuseColor.rgb;\\n\\treflectedLight.indirectSpecular = vec3( 0.0 );\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshbasic_vert = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_ENVMAP\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_frag = \"#define PHYSICAL\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifndef STANDARD\\n\\tuniform float clearCoat;\\n\\tuniform float clearCoatRoughness;\\n#endif\\nuniform float envMapIntensity;\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar meshphysical_vert = \"#define PHYSICAL\\nvarying vec3 vViewPosition;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar normal_frag = \"uniform float opacity;\\nvarying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( vNormal ), opacity );\\n\\t#include \\n}\\n\";\n\n\tvar normal_vert = \"varying vec3 vNormal;\\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvNormal = normalize( normalMatrix * normal );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tgl_PointSize = size * ( scale / - mvPosition.z );\\n\\t#else\\n\\t\\tgl_PointSize = size;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar shadow_frag = \"uniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getShadowMask() ) );\\n}\\n\";\n\n\tvar shadow_vert = \"#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\\n\";\n\n\tvar ShaderChunk = {\n\t\talphamap_fragment: alphamap_fragment,\n\t\talphamap_pars_fragment: alphamap_pars_fragment,\n\t\talphatest_fragment: alphatest_fragment,\n\t\taomap_fragment: aomap_fragment,\n\t\taomap_pars_fragment: aomap_pars_fragment,\n\t\tbegin_vertex: begin_vertex,\n\t\tbeginnormal_vertex: beginnormal_vertex,\n\t\tbsdfs: bsdfs,\n\t\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\t\tclipping_planes_fragment: clipping_planes_fragment,\n\t\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\t\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\t\tclipping_planes_vertex: clipping_planes_vertex,\n\t\tcolor_fragment: color_fragment,\n\t\tcolor_pars_fragment: color_pars_fragment,\n\t\tcolor_pars_vertex: color_pars_vertex,\n\t\tcolor_vertex: color_vertex,\n\t\tcommon: common,\n\t\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\t\tdefaultnormal_vertex: defaultnormal_vertex,\n\t\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\t\tdisplacementmap_vertex: displacementmap_vertex,\n\t\temissivemap_fragment: emissivemap_fragment,\n\t\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\t\tencodings_fragment: encodings_fragment,\n\t\tencodings_pars_fragment: encodings_pars_fragment,\n\t\tenvmap_fragment: envmap_fragment,\n\t\tenvmap_pars_fragment: envmap_pars_fragment,\n\t\tenvmap_pars_vertex: envmap_pars_vertex,\n\t\tenvmap_vertex: envmap_vertex,\n\t\tfog_fragment: fog_fragment,\n\t\tfog_pars_fragment: fog_pars_fragment,\n\t\tlightmap_fragment: lightmap_fragment,\n\t\tlightmap_pars_fragment: lightmap_pars_fragment,\n\t\tlights_lambert_vertex: lights_lambert_vertex,\n\t\tlights_pars: lights_pars,\n\t\tlights_phong_fragment: lights_phong_fragment,\n\t\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\t\tlights_physical_fragment: lights_physical_fragment,\n\t\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\t\tlights_template: lights_template,\n\t\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\t\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\t\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\t\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\t\tmap_fragment: map_fragment,\n\t\tmap_pars_fragment: map_pars_fragment,\n\t\tmap_particle_fragment: map_particle_fragment,\n\t\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\t\tmetalnessmap_fragment: metalnessmap_fragment,\n\t\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\t\tmorphnormal_vertex: morphnormal_vertex,\n\t\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\t\tmorphtarget_vertex: morphtarget_vertex,\n\t\tnormal_flip: normal_flip,\n\t\tnormal_fragment: normal_fragment,\n\t\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\t\tpacking: packing,\n\t\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\t\tproject_vertex: project_vertex,\n\t\troughnessmap_fragment: roughnessmap_fragment,\n\t\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\t\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\t\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\t\tshadowmap_vertex: shadowmap_vertex,\n\t\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\t\tskinbase_vertex: skinbase_vertex,\n\t\tskinning_pars_vertex: skinning_pars_vertex,\n\t\tskinning_vertex: skinning_vertex,\n\t\tskinnormal_vertex: skinnormal_vertex,\n\t\tspecularmap_fragment: specularmap_fragment,\n\t\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\t\ttonemapping_fragment: tonemapping_fragment,\n\t\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\t\tuv_pars_fragment: uv_pars_fragment,\n\t\tuv_pars_vertex: uv_pars_vertex,\n\t\tuv_vertex: uv_vertex,\n\t\tuv2_pars_fragment: uv2_pars_fragment,\n\t\tuv2_pars_vertex: uv2_pars_vertex,\n\t\tuv2_vertex: uv2_vertex,\n\t\tworldpos_vertex: worldpos_vertex,\n\n\t\tcube_frag: cube_frag,\n\t\tcube_vert: cube_vert,\n\t\tdepth_frag: depth_frag,\n\t\tdepth_vert: depth_vert,\n\t\tdistanceRGBA_frag: distanceRGBA_frag,\n\t\tdistanceRGBA_vert: distanceRGBA_vert,\n\t\tequirect_frag: equirect_frag,\n\t\tequirect_vert: equirect_vert,\n\t\tlinedashed_frag: linedashed_frag,\n\t\tlinedashed_vert: linedashed_vert,\n\t\tmeshbasic_frag: meshbasic_frag,\n\t\tmeshbasic_vert: meshbasic_vert,\n\t\tmeshlambert_frag: meshlambert_frag,\n\t\tmeshlambert_vert: meshlambert_vert,\n\t\tmeshphong_frag: meshphong_frag,\n\t\tmeshphong_vert: meshphong_vert,\n\t\tmeshphysical_frag: meshphysical_frag,\n\t\tmeshphysical_vert: meshphysical_vert,\n\t\tnormal_frag: normal_frag,\n\t\tnormal_vert: normal_vert,\n\t\tpoints_frag: points_frag,\n\t\tpoints_vert: points_vert,\n\t\tshadow_frag: shadow_frag,\n\t\tshadow_vert: shadow_vert\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Color( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tColor.prototype = {\n\n\t\tconstructor: Color,\n\n\t\tisColor: true,\n\n\t\tr: 1, g: 1, b: 1,\n\n\t\tset: function ( value ) {\n\n\t\t\tif ( (value && value.isColor) ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetScalar: function ( scalar ) {\n\n\t\t\tthis.r = scalar;\n\t\t\tthis.g = scalar;\n\t\t\tthis.b = scalar;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHex: function ( hex ) {\n\n\t\t\thex = Math.floor( hex );\n\n\t\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetRGB: function ( r, g, b ) {\n\n\t\t\tthis.r = r;\n\t\t\tthis.g = g;\n\t\t\tthis.b = b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetHSL: function () {\n\n\t\t\tfunction hue2rgb( p, q, t ) {\n\n\t\t\t\tif ( t < 0 ) t += 1;\n\t\t\t\tif ( t > 1 ) t -= 1;\n\t\t\t\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\t\t\t\tif ( t < 1 / 2 ) return q;\n\t\t\t\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\t\t\t\treturn p;\n\n\t\t\t}\n\n\t\t\treturn function setHSL( h, s, l ) {\n\n\t\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\t\t\th = _Math.euclideanModulo( h, 1 );\n\t\t\t\ts = _Math.clamp( s, 0, 1 );\n\t\t\t\tl = _Math.clamp( l, 0, 1 );\n\n\t\t\t\tif ( s === 0 ) {\n\n\t\t\t\t\tthis.r = this.g = this.b = l;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\t\t\tvar q = ( 2 * l ) - p;\n\n\t\t\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetStyle: function ( style ) {\n\n\t\t\tfunction handleAlpha( string ) {\n\n\t\t\t\tif ( string === undefined ) return;\n\n\t\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tvar m;\n\n\t\t\tif ( m = /^((?:rgb|hsl)a?)\\(\\s*([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t\t// rgb / hsl\n\n\t\t\t\tvar color;\n\t\t\t\tvar name = m[ 1 ];\n\t\t\t\tvar components = m[ 2 ];\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'rgb':\n\t\t\t\t\tcase 'rgba':\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( color = /^(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'hsl':\n\t\t\t\t\tcase 'hsla':\n\n\t\t\t\t\t\tif ( color = /^([0-9]*\\.?[0-9]+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(,\\s*([0-9]*\\.?[0-9]+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\t\tvar h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\t\tvar s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\t\tvar l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\t\thandleAlpha( color[ 5 ] );\n\n\t\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( m = /^\\#([A-Fa-f0-9]+)$/.exec( style ) ) {\n\n\t\t\t\t// hex color\n\n\t\t\t\tvar hex = m[ 1 ];\n\t\t\t\tvar size = hex.length;\n\n\t\t\t\tif ( size === 3 ) {\n\n\t\t\t\t\t// #ff0\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t\t// #ff0000\n\t\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( style && style.length > 0 ) {\n\n\t\t\t\t// color keywords\n\t\t\t\tvar hex = ColorKeywords[ style ];\n\n\t\t\t\tif ( hex !== undefined ) {\n\n\t\t\t\t\t// red\n\t\t\t\t\tthis.setHex( hex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// unknown color\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t\t},\n\n\t\tcopy: function ( color ) {\n\n\t\t\tthis.r = color.r;\n\t\t\tthis.g = color.g;\n\t\t\tthis.b = color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyGammaToLinear: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyLinearToGamma: function ( color, gammaFactor ) {\n\n\t\t\tif ( gammaFactor === undefined ) gammaFactor = 2.0;\n\n\t\t\tvar safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertGammaToLinear: function () {\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tthis.r = r * r;\n\t\t\tthis.g = g * g;\n\t\t\tthis.b = b * b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconvertLinearToGamma: function () {\n\n\t\t\tthis.r = Math.sqrt( this.r );\n\t\t\tthis.g = Math.sqrt( this.g );\n\t\t\tthis.b = Math.sqrt( this.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetHex: function () {\n\n\t\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t\t},\n\n\t\tgetHexString: function () {\n\n\t\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t\t},\n\n\t\tgetHSL: function ( optionalTarget ) {\n\n\t\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\t\tvar hsl = optionalTarget || { h: 0, s: 0, l: 0 };\n\n\t\t\tvar r = this.r, g = this.g, b = this.b;\n\n\t\t\tvar max = Math.max( r, g, b );\n\t\t\tvar min = Math.min( r, g, b );\n\n\t\t\tvar hue, saturation;\n\t\t\tvar lightness = ( min + max ) / 2.0;\n\n\t\t\tif ( min === max ) {\n\n\t\t\t\thue = 0;\n\t\t\t\tsaturation = 0;\n\n\t\t\t} else {\n\n\t\t\t\tvar delta = max - min;\n\n\t\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\t\tswitch ( max ) {\n\n\t\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t\t}\n\n\t\t\t\thue /= 6;\n\n\t\t\t}\n\n\t\t\thsl.h = hue;\n\t\t\thsl.s = saturation;\n\t\t\thsl.l = lightness;\n\n\t\t\treturn hsl;\n\n\t\t},\n\n\t\tgetStyle: function () {\n\n\t\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t\t},\n\n\t\toffsetHSL: function ( h, s, l ) {\n\n\t\t\tvar hsl = this.getHSL();\n\n\t\t\thsl.h += h; hsl.s += s; hsl.l += l;\n\n\t\t\tthis.setHSL( hsl.h, hsl.s, hsl.l );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( color ) {\n\n\t\t\tthis.r += color.r;\n\t\t\tthis.g += color.g;\n\t\t\tthis.b += color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddColors: function ( color1, color2 ) {\n\n\t\t\tthis.r = color1.r + color2.r;\n\t\t\tthis.g = color1.g + color2.g;\n\t\t\tthis.b = color1.b + color2.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddScalar: function ( s ) {\n\n\t\t\tthis.r += s;\n\t\t\tthis.g += s;\n\t\t\tthis.b += s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsub: function( color ) {\n\n\t\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiply: function ( color ) {\n\n\t\t\tthis.r *= color.r;\n\t\t\tthis.g *= color.g;\n\t\t\tthis.b *= color.b;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tthis.r *= s;\n\t\t\tthis.g *= s;\n\t\t\tthis.b *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tlerp: function ( color, alpha ) {\n\n\t\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( c ) {\n\n\t\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.r = array[ offset ];\n\t\t\tthis.g = array[ offset + 1 ];\n\t\t\tthis.b = array[ offset + 2 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this.r;\n\t\t\tarray[ offset + 1 ] = this.g;\n\t\t\tarray[ offset + 2 ] = this.b;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\treturn this.getHex();\n\n\t\t}\n\n\t};\n\n\tvar ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\n\t/**\n\t * Uniforms library for shared webgl shaders\n\t */\n\n\tvar UniformsLib = {\n\n\t\tcommon: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) },\n\n\t\t\tspecularMap: { value: null },\n\t\t\talphaMap: { value: null },\n\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\treflectivity: { value: 1.0 },\n\t\t\trefractionRatio: { value: 0.98 }\n\n\t\t},\n\n\t\taomap: {\n\n\t\t\taoMap: { value: null },\n\t\t\taoMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\tlightmap: {\n\n\t\t\tlightMap: { value: null },\n\t\t\tlightMapIntensity: { value: 1 }\n\n\t\t},\n\n\t\temissivemap: {\n\n\t\t\temissiveMap: { value: null }\n\n\t\t},\n\n\t\tbumpmap: {\n\n\t\t\tbumpMap: { value: null },\n\t\t\tbumpScale: { value: 1 }\n\n\t\t},\n\n\t\tnormalmap: {\n\n\t\t\tnormalMap: { value: null },\n\t\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t\t},\n\n\t\tdisplacementmap: {\n\n\t\t\tdisplacementMap: { value: null },\n\t\t\tdisplacementScale: { value: 1 },\n\t\t\tdisplacementBias: { value: 0 }\n\n\t\t},\n\n\t\troughnessmap: {\n\n\t\t\troughnessMap: { value: null }\n\n\t\t},\n\n\t\tmetalnessmap: {\n\n\t\t\tmetalnessMap: { value: null }\n\n\t\t},\n\n\t\tfog: {\n\n\t\t\tfogDensity: { value: 0.00025 },\n\t\t\tfogNear: { value: 1 },\n\t\t\tfogFar: { value: 2000 },\n\t\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t\t},\n\n\t\tlights: {\n\n\t\t\tambientLightColor: { value: [] },\n\n\t\t\tdirectionalLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tcolor: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tdirectionalShadowMap: { value: [] },\n\t\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\t\tspotLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdirection: {},\n\t\t\t\tdistance: {},\n\t\t\t\tconeCos: {},\n\t\t\t\tpenumbraCos: {},\n\t\t\t\tdecay: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tspotShadowMap: { value: [] },\n\t\t\tspotShadowMatrix: { value: [] },\n\n\t\t\tpointLights: { value: [], properties: {\n\t\t\t\tcolor: {},\n\t\t\t\tposition: {},\n\t\t\t\tdecay: {},\n\t\t\t\tdistance: {},\n\n\t\t\t\tshadow: {},\n\t\t\t\tshadowBias: {},\n\t\t\t\tshadowRadius: {},\n\t\t\t\tshadowMapSize: {}\n\t\t\t} },\n\n\t\t\tpointShadowMap: { value: [] },\n\t\t\tpointShadowMatrix: { value: [] },\n\n\t\t\themisphereLights: { value: [], properties: {\n\t\t\t\tdirection: {},\n\t\t\t\tskyColor: {},\n\t\t\t\tgroundColor: {}\n\t\t\t} }\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tdiffuse: { value: new Color( 0xeeeeee ) },\n\t\t\topacity: { value: 1.0 },\n\t\t\tsize: { value: 1.0 },\n\t\t\tscale: { value: 1.0 },\n\t\t\tmap: { value: null },\n\t\t\toffsetRepeat: { value: new Vector4( 0, 0, 1, 1 ) }\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t */\n\n\tvar ShaderLib = {\n\n\t\tbasic: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t\t},\n\n\t\tlambert: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t\t},\n\n\t\tphong: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\tspecular : { value: new Color( 0x111111 ) },\n\t\t\t\t\tshininess: { value: 30 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t\t},\n\n\t\tstandard: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.aomap,\n\t\t\t\tUniformsLib.lightmap,\n\t\t\t\tUniformsLib.emissivemap,\n\t\t\t\tUniformsLib.bumpmap,\n\t\t\t\tUniformsLib.normalmap,\n\t\t\t\tUniformsLib.displacementmap,\n\t\t\t\tUniformsLib.roughnessmap,\n\t\t\t\tUniformsLib.metalnessmap,\n\t\t\t\tUniformsLib.fog,\n\t\t\t\tUniformsLib.lights,\n\n\t\t\t\t{\n\t\t\t\t\temissive : { value: new Color( 0x000000 ) },\n\t\t\t\t\troughness: { value: 0.5 },\n\t\t\t\t\tmetalness: { value: 0 },\n\t\t\t\t\tenvMapIntensity : { value: 1 }, // temporary\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t\t},\n\n\t\tpoints: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.points,\n\t\t\t\tUniformsLib.fog\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.points_vert,\n\t\t\tfragmentShader: ShaderChunk.points_frag\n\n\t\t},\n\n\t\tdashed: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.fog,\n\n\t\t\t\t{\n\t\t\t\t\tscale : { value: 1 },\n\t\t\t\t\tdashSize : { value: 1 },\n\t\t\t\t\ttotalSize: { value: 2 }\n\t\t\t\t}\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t\t},\n\n\t\tdepth: {\n\n\t\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\t\tUniformsLib.common,\n\t\t\t\tUniformsLib.displacementmap\n\n\t\t\t] ),\n\n\t\t\tvertexShader: ShaderChunk.depth_vert,\n\t\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t\t},\n\n\t\tnormal: {\n\n\t\t\tuniforms: {\n\n\t\t\t\topacity : { value: 1.0 }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.normal_vert,\n\t\t\tfragmentShader: ShaderChunk.normal_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tcube: {\n\n\t\t\tuniforms: {\n\t\t\t\ttCube: { value: null },\n\t\t\t\ttFlip: { value: - 1 },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.cube_vert,\n\t\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t\t},\n\n\t\t/* -------------------------------------------------------------------------\n\t\t//\tCube map shader\n\t\t ------------------------------------------------------------------------- */\n\n\t\tequirect: {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t\ttFlip: { value: - 1 }\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t\t},\n\n\t\tdistanceRGBA: {\n\n\t\t\tuniforms: {\n\n\t\t\t\tlightPos: { value: new Vector3() }\n\n\t\t\t},\n\n\t\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t\t}\n\n\t};\n\n\tShaderLib.physical = {\n\n\t\tuniforms: UniformsUtils.merge( [\n\n\t\t\tShaderLib.standard.uniforms,\n\n\t\t\t{\n\t\t\t\tclearCoat: { value: 0 },\n\t\t\t\tclearCoatRoughness: { value: 0 }\n\t\t\t}\n\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Box2( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );\n\n\t}\n\n\tBox2.prototype = {\n\n\t\tconstructor: Box2,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = + Infinity;\n\t\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t point.y < this.min.y || point.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector2();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector2();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlarePlugin( renderer, flares ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar shader, program, attributes, uniforms;\n\n\t\tvar tempTexture, occlusionTexture;\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 1, - 1, 0, 0,\n\t\t\t\t 1, - 1, 1, 0,\n\t\t\t\t 1, 1, 1, 1,\n\t\t\t\t- 1, 1, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\t// buffers\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\t// textures\n\n\t\t\ttempTexture = gl.createTexture();\n\t\t\tocclusionTexture = gl.createTexture();\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\tgl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\n\t\t\tshader = {\n\n\t\t\t\tvertexShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform vec3 screenPosition;\",\n\t\t\t\t\t\"uniform vec2 scale;\",\n\t\t\t\t\t\"uniform float rotation;\",\n\n\t\t\t\t\t\"uniform sampler2D occlusionMap;\",\n\n\t\t\t\t\t\"attribute vec2 position;\",\n\t\t\t\t\t\"attribute vec2 uv;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t\"vUV = uv;\",\n\n\t\t\t\t\t\t\"vec2 pos = position;\",\n\n\t\t\t\t\t\t\"if ( renderType == 2 ) {\",\n\n\t\t\t\t\t\t\t\"vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\",\n\t\t\t\t\t\t\t\"visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\",\n\n\t\t\t\t\t\t\t\"vVisibility = visibility.r / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.g / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= visibility.b / 9.0;\",\n\t\t\t\t\t\t\t\"vVisibility *= 1.0 - visibility.a / 9.0;\",\n\n\t\t\t\t\t\t\t\"pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\",\n\t\t\t\t\t\t\t\"pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\t\"gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" ),\n\n\t\t\t\tfragmentShader: [\n\n\t\t\t\t\t\"uniform lowp int renderType;\",\n\n\t\t\t\t\t\"uniform sampler2D map;\",\n\t\t\t\t\t\"uniform float opacity;\",\n\t\t\t\t\t\"uniform vec3 color;\",\n\n\t\t\t\t\t\"varying vec2 vUV;\",\n\t\t\t\t\t\"varying float vVisibility;\",\n\n\t\t\t\t\t\"void main() {\",\n\n\t\t\t\t\t\t// pink square\n\n\t\t\t\t\t\t\"if ( renderType == 0 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\",\n\n\t\t\t\t\t\t// restore\n\n\t\t\t\t\t\t\"} else if ( renderType == 1 ) {\",\n\n\t\t\t\t\t\t\t\"gl_FragColor = texture2D( map, vUV );\",\n\n\t\t\t\t\t\t// flare\n\n\t\t\t\t\t\t\"} else {\",\n\n\t\t\t\t\t\t\t\"vec4 texture = texture2D( map, vUV );\",\n\t\t\t\t\t\t\t\"texture.a *= opacity * vVisibility;\",\n\t\t\t\t\t\t\t\"gl_FragColor = texture;\",\n\t\t\t\t\t\t\t\"gl_FragColor.rgb *= color;\",\n\n\t\t\t\t\t\t\"}\",\n\n\t\t\t\t\t\"}\"\n\n\t\t\t\t].join( \"\\n\" )\n\n\t\t\t};\n\n\t\t\tprogram = createProgram( shader );\n\n\t\t\tattributes = {\n\t\t\t\tvertex: gl.getAttribLocation ( program, \"position\" ),\n\t\t\t\tuv: gl.getAttribLocation ( program, \"uv\" )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\trenderType: gl.getUniformLocation( program, \"renderType\" ),\n\t\t\t\tmap: gl.getUniformLocation( program, \"map\" ),\n\t\t\t\tocclusionMap: gl.getUniformLocation( program, \"occlusionMap\" ),\n\t\t\t\topacity: gl.getUniformLocation( program, \"opacity\" ),\n\t\t\t\tcolor: gl.getUniformLocation( program, \"color\" ),\n\t\t\t\tscale: gl.getUniformLocation( program, \"scale\" ),\n\t\t\t\trotation: gl.getUniformLocation( program, \"rotation\" ),\n\t\t\t\tscreenPosition: gl.getUniformLocation( program, \"screenPosition\" )\n\t\t\t};\n\n\t\t}\n\n\t\t/*\n\t\t * Render lens flares\n\t\t * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,\n\t\t * reads these back and calculates occlusion.\n\t\t */\n\n\t\tthis.render = function ( scene, camera, viewport ) {\n\n\t\t\tif ( flares.length === 0 ) return;\n\n\t\t\tvar tempPosition = new Vector3();\n\n\t\t\tvar invAspect = viewport.w / viewport.z,\n\t\t\t\thalfViewportWidth = viewport.z * 0.5,\n\t\t\t\thalfViewportHeight = viewport.w * 0.5;\n\n\t\t\tvar size = 16 / viewport.w,\n\t\t\t\tscale = new Vector2( size * invAspect, size );\n\n\t\t\tvar screenPosition = new Vector3( 1, 1, 0 ),\n\t\t\t\tscreenPositionPixels = new Vector2( 1, 1 );\n\n\t\t\tvar validArea = new Box2();\n\n\t\t\tvalidArea.min.set( viewport.x, viewport.y );\n\t\t\tvalidArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.vertex );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t// loop through all lens flares to update their occlusion and positions\n\t\t\t// setup gl and common used attribs/uniforms\n\n\t\t\tgl.uniform1i( uniforms.occlusionMap, 0 );\n\t\t\tgl.uniform1i( uniforms.map, 1 );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.setDepthWrite( false );\n\n\t\t\tfor ( var i = 0, l = flares.length; i < l; i ++ ) {\n\n\t\t\t\tsize = 16 / viewport.w;\n\t\t\t\tscale.set( size * invAspect, size );\n\n\t\t\t\t// calc object screen position\n\n\t\t\t\tvar flare = flares[ i ];\n\n\t\t\t\ttempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );\n\n\t\t\t\ttempPosition.applyMatrix4( camera.matrixWorldInverse );\n\t\t\t\ttempPosition.applyProjection( camera.projectionMatrix );\n\n\t\t\t\t// setup arrays for gl programs\n\n\t\t\t\tscreenPosition.copy( tempPosition );\n\n\t\t\t\t// horizontal and vertical coordinate of the lower left corner of the pixels to copy\n\n\t\t\t\tscreenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;\n\t\t\t\tscreenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;\n\n\t\t\t\t// screen cull\n\n\t\t\t\tif ( validArea.containsPoint( screenPositionPixels ) === true ) {\n\n\t\t\t\t\t// save current RGB to temp texture\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, null );\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// render pink quad\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\n\t\t\t\t\tstate.disable( gl.BLEND );\n\t\t\t\t\tstate.enable( gl.DEPTH_TEST );\n\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// copy result to occlusionMap\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, occlusionTexture );\n\t\t\t\t\tgl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );\n\n\n\t\t\t\t\t// restore graphics\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 1 );\n\t\t\t\t\tstate.disable( gl.DEPTH_TEST );\n\n\t\t\t\t\tstate.activeTexture( gl.TEXTURE1 );\n\t\t\t\t\tstate.bindTexture( gl.TEXTURE_2D, tempTexture );\n\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\n\t\t\t\t\t// update object positions\n\n\t\t\t\t\tflare.positionScreen.copy( screenPosition );\n\n\t\t\t\t\tif ( flare.customUpdateCallback ) {\n\n\t\t\t\t\t\tflare.customUpdateCallback( flare );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tflare.updateLensFlares();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// render flares\n\n\t\t\t\t\tgl.uniform1i( uniforms.renderType, 2 );\n\t\t\t\t\tstate.enable( gl.BLEND );\n\n\t\t\t\t\tfor ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar sprite = flare.lensFlares[ j ];\n\n\t\t\t\t\t\tif ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {\n\n\t\t\t\t\t\t\tscreenPosition.x = sprite.x;\n\t\t\t\t\t\t\tscreenPosition.y = sprite.y;\n\t\t\t\t\t\t\tscreenPosition.z = sprite.z;\n\n\t\t\t\t\t\t\tsize = sprite.size * sprite.scale / viewport.w;\n\n\t\t\t\t\t\t\tscale.x = size * invAspect;\n\t\t\t\t\t\t\tscale.y = size;\n\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );\n\t\t\t\t\t\t\tgl.uniform2f( uniforms.scale, scale.x, scale.y );\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.rotation, sprite.rotation );\n\n\t\t\t\t\t\t\tgl.uniform1f( uniforms.opacity, sprite.opacity );\n\t\t\t\t\t\t\tgl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );\n\n\t\t\t\t\t\t\tstate.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );\n\t\t\t\t\t\t\trenderer.setTexture2D( sprite.texture, 1 );\n\n\t\t\t\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.DEPTH_TEST );\n\t\t\tstate.setDepthWrite( true );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram( shader ) {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\n\t\t\tvar prefix = \"precision \" + renderer.getPrecision() + \" float;\\n\";\n\n\t\t\tgl.shaderSource( fragmentShader, prefix + shader.fragmentShader );\n\t\t\tgl.shaderSource( vertexShader, prefix + shader.vertexShader );\n\n\t\t\tgl.compileShader( fragmentShader );\n\t\t\tgl.compileShader( vertexShader );\n\n\t\t\tgl.attachShader( program, fragmentShader );\n\t\t\tgl.attachShader( program, vertexShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpritePlugin( renderer, sprites ) {\n\n\t\tvar gl = renderer.context;\n\t\tvar state = renderer.state;\n\n\t\tvar vertexBuffer, elementBuffer;\n\t\tvar program, attributes, uniforms;\n\n\t\tvar texture;\n\n\t\t// decompose matrixWorld\n\n\t\tvar spritePosition = new Vector3();\n\t\tvar spriteRotation = new Quaternion();\n\t\tvar spriteScale = new Vector3();\n\n\t\tfunction init() {\n\n\t\t\tvar vertices = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0,\n\t\t\t\t 0.5, - 0.5, 1, 0,\n\t\t\t\t 0.5, 0.5, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 1\n\t\t\t] );\n\n\t\t\tvar faces = new Uint16Array( [\n\t\t\t\t0, 1, 2,\n\t\t\t\t0, 2, 3\n\t\t\t] );\n\n\t\t\tvertexBuffer = gl.createBuffer();\n\t\t\telementBuffer = gl.createBuffer();\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\t\t\tgl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );\n\n\t\t\tprogram = createProgram();\n\n\t\t\tattributes = {\n\t\t\t\tposition:\t\t\tgl.getAttribLocation ( program, 'position' ),\n\t\t\t\tuv:\t\t\t\t\tgl.getAttribLocation ( program, 'uv' )\n\t\t\t};\n\n\t\t\tuniforms = {\n\t\t\t\tuvOffset:\t\t\tgl.getUniformLocation( program, 'uvOffset' ),\n\t\t\t\tuvScale:\t\t\tgl.getUniformLocation( program, 'uvScale' ),\n\n\t\t\t\trotation:\t\t\tgl.getUniformLocation( program, 'rotation' ),\n\t\t\t\tscale:\t\t\t\tgl.getUniformLocation( program, 'scale' ),\n\n\t\t\t\tcolor:\t\t\t\tgl.getUniformLocation( program, 'color' ),\n\t\t\t\tmap:\t\t\t\tgl.getUniformLocation( program, 'map' ),\n\t\t\t\topacity:\t\t\tgl.getUniformLocation( program, 'opacity' ),\n\n\t\t\t\tmodelViewMatrix: \tgl.getUniformLocation( program, 'modelViewMatrix' ),\n\t\t\t\tprojectionMatrix:\tgl.getUniformLocation( program, 'projectionMatrix' ),\n\n\t\t\t\tfogType:\t\t\tgl.getUniformLocation( program, 'fogType' ),\n\t\t\t\tfogDensity:\t\t\tgl.getUniformLocation( program, 'fogDensity' ),\n\t\t\t\tfogNear:\t\t\tgl.getUniformLocation( program, 'fogNear' ),\n\t\t\t\tfogFar:\t\t\t\tgl.getUniformLocation( program, 'fogFar' ),\n\t\t\t\tfogColor:\t\t\tgl.getUniformLocation( program, 'fogColor' ),\n\n\t\t\t\talphaTest:\t\t\tgl.getUniformLocation( program, 'alphaTest' )\n\t\t\t};\n\n\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\tcanvas.width = 8;\n\t\t\tcanvas.height = 8;\n\n\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\tcontext.fillStyle = 'white';\n\t\t\tcontext.fillRect( 0, 0, 8, 8 );\n\n\t\t\ttexture = new Texture( canvas );\n\t\t\ttexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( sprites.length === 0 ) return;\n\n\t\t\t// setup gl\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tinit();\n\n\t\t\t}\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tstate.initAttributes();\n\t\t\tstate.enableAttribute( attributes.position );\n\t\t\tstate.enableAttribute( attributes.uv );\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\tstate.disable( gl.CULL_FACE );\n\t\t\tstate.enable( gl.BLEND );\n\n\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );\n\t\t\tgl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );\n\t\t\tgl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );\n\n\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );\n\n\t\t\tgl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );\n\n\t\t\tstate.activeTexture( gl.TEXTURE0 );\n\t\t\tgl.uniform1i( uniforms.map, 0 );\n\n\t\t\tvar oldFogType = 0;\n\t\t\tvar sceneFogType = 0;\n\t\t\tvar fog = scene.fog;\n\n\t\t\tif ( fog ) {\n\n\t\t\t\tgl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );\n\n\t\t\t\tif ( (fog && fog.isFog) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogNear, fog.near );\n\t\t\t\t\tgl.uniform1f( uniforms.fogFar, fog.far );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 1 );\n\t\t\t\t\toldFogType = 1;\n\t\t\t\t\tsceneFogType = 1;\n\n\t\t\t\t} else if ( (fog && fog.isFogExp2) ) {\n\n\t\t\t\t\tgl.uniform1f( uniforms.fogDensity, fog.density );\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, 2 );\n\t\t\t\t\toldFogType = 2;\n\t\t\t\t\tsceneFogType = 2;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tgl.uniform1i( uniforms.fogType, 0 );\n\t\t\t\toldFogType = 0;\n\t\t\t\tsceneFogType = 0;\n\n\t\t\t}\n\n\n\t\t\t// update positions and sort\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\n\t\t\t\tsprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );\n\t\t\t\tsprite.z = - sprite.modelViewMatrix.elements[ 14 ];\n\n\t\t\t}\n\n\t\t\tsprites.sort( painterSortStable );\n\n\t\t\t// render all sprites\n\n\t\t\tvar scale = [];\n\n\t\t\tfor ( var i = 0, l = sprites.length; i < l; i ++ ) {\n\n\t\t\t\tvar sprite = sprites[ i ];\n\t\t\t\tvar material = sprite.material;\n\n\t\t\t\tif ( material.visible === false ) continue;\n\n\t\t\t\tgl.uniform1f( uniforms.alphaTest, material.alphaTest );\n\t\t\t\tgl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );\n\n\t\t\t\tsprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );\n\n\t\t\t\tscale[ 0 ] = spriteScale.x;\n\t\t\t\tscale[ 1 ] = spriteScale.y;\n\n\t\t\t\tvar fogType = 0;\n\n\t\t\t\tif ( scene.fog && material.fog ) {\n\n\t\t\t\t\tfogType = sceneFogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( oldFogType !== fogType ) {\n\n\t\t\t\t\tgl.uniform1i( uniforms.fogType, fogType );\n\t\t\t\t\toldFogType = fogType;\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.map !== null ) {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.uniform2f( uniforms.uvOffset, 0, 0 );\n\t\t\t\t\tgl.uniform2f( uniforms.uvScale, 1, 1 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.uniform1f( uniforms.opacity, material.opacity );\n\t\t\t\tgl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );\n\n\t\t\t\tgl.uniform1f( uniforms.rotation, material.rotation );\n\t\t\t\tgl.uniform2fv( uniforms.scale, scale );\n\n\t\t\t\tstate.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );\n\t\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\t\tstate.setDepthWrite( material.depthWrite );\n\n\t\t\t\tif ( material.map ) {\n\n\t\t\t\t\trenderer.setTexture2D( material.map, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setTexture2D( texture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tgl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );\n\n\t\t\t}\n\n\t\t\t// restore gl\n\n\t\t\tstate.enable( gl.CULL_FACE );\n\n\t\t\trenderer.resetGLState();\n\n\t\t};\n\n\t\tfunction createProgram() {\n\n\t\t\tvar program = gl.createProgram();\n\n\t\t\tvar vertexShader = gl.createShader( gl.VERTEX_SHADER );\n\t\t\tvar fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );\n\n\t\t\tgl.shaderSource( vertexShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform float rotation;',\n\t\t\t\t'uniform vec2 scale;',\n\t\t\t\t'uniform vec2 uvOffset;',\n\t\t\t\t'uniform vec2 uvScale;',\n\n\t\t\t\t'attribute vec2 position;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vUV = uvOffset + uv * uvScale;',\n\n\t\t\t\t\t'vec2 alignedPosition = position * scale;',\n\n\t\t\t\t\t'vec2 rotatedPosition;',\n\t\t\t\t\t'rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',\n\t\t\t\t\t'rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',\n\n\t\t\t\t\t'vec4 finalPosition;',\n\n\t\t\t\t\t'finalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',\n\t\t\t\t\t'finalPosition.xy += rotatedPosition;',\n\t\t\t\t\t'finalPosition = projectionMatrix * finalPosition;',\n\n\t\t\t\t\t'gl_Position = finalPosition;',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.shaderSource( fragmentShader, [\n\n\t\t\t\t'precision ' + renderer.getPrecision() + ' float;',\n\n\t\t\t\t'uniform vec3 color;',\n\t\t\t\t'uniform sampler2D map;',\n\t\t\t\t'uniform float opacity;',\n\n\t\t\t\t'uniform int fogType;',\n\t\t\t\t'uniform vec3 fogColor;',\n\t\t\t\t'uniform float fogDensity;',\n\t\t\t\t'uniform float fogNear;',\n\t\t\t\t'uniform float fogFar;',\n\t\t\t\t'uniform float alphaTest;',\n\n\t\t\t\t'varying vec2 vUV;',\n\n\t\t\t\t'void main() {',\n\n\t\t\t\t\t'vec4 texture = texture2D( map, vUV );',\n\n\t\t\t\t\t'if ( texture.a < alphaTest ) discard;',\n\n\t\t\t\t\t'gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',\n\n\t\t\t\t\t'if ( fogType > 0 ) {',\n\n\t\t\t\t\t\t'float depth = gl_FragCoord.z / gl_FragCoord.w;',\n\t\t\t\t\t\t'float fogFactor = 0.0;',\n\n\t\t\t\t\t\t'if ( fogType == 1 ) {',\n\n\t\t\t\t\t\t\t'fogFactor = smoothstep( fogNear, fogFar, depth );',\n\n\t\t\t\t\t\t'} else {',\n\n\t\t\t\t\t\t\t'const float LOG2 = 1.442695;',\n\t\t\t\t\t\t\t'fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );',\n\t\t\t\t\t\t\t'fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',\n\n\t\t\t\t\t\t'}',\n\n\t\t\t\t\t\t'gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );',\n\n\t\t\t\t\t'}',\n\n\t\t\t\t'}'\n\n\t\t\t].join( '\\n' ) );\n\n\t\t\tgl.compileShader( vertexShader );\n\t\t\tgl.compileShader( fragmentShader );\n\n\t\t\tgl.attachShader( program, vertexShader );\n\t\t\tgl.attachShader( program, fragmentShader );\n\n\t\t\tgl.linkProgram( program );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.renderOrder !== b.renderOrder ) {\n\n\t\t\t\treturn a.renderOrder - b.renderOrder;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn b.id - a.id;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Material() {\n\n\t\tObject.defineProperty( this, 'id', { value: MaterialIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\t\tthis.lights = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.shading = SmoothShading; // THREE.FlatShading, THREE.SmoothShading\n\t\tthis.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.alphaTest = 0;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer\n\n\t\tthis.visible = true;\n\n\t\tthis._needsUpdate = true;\n\n\t}\n\n\tMaterial.prototype = {\n\n\t\tconstructor: Material,\n\n\t\tisMaterial: true,\n\n\t\tget needsUpdate() {\n\n\t\t\treturn this._needsUpdate;\n\n\t\t},\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.update();\n\t\t\tthis._needsUpdate = value;\n\n\t\t},\n\n\t\tsetValues: function ( values ) {\n\n\t\t\tif ( values === undefined ) return;\n\n\t\t\tfor ( var key in values ) {\n\n\t\t\t\tvar newValue = values[ key ];\n\n\t\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.Material: '\" + key + \"' parameter is undefined.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar currentValue = this[ key ];\n\n\t\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.\" + this.type + \": '\" + key + \"' is not a property of this material.\" );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tif ( (currentValue && currentValue.isColor) ) {\n\n\t\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t\t} else if ( (currentValue && currentValue.isVector3) && (newValue && newValue.isVector3) ) {\n\n\t\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t\t} else if ( key === 'overdraw' ) {\n\n\t\t\t\t\t// ensure overdraw is backwards-compatible with legacy boolean type\n\t\t\t\t\tthis[ key ] = Number( newValue );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar isRoot = meta === undefined;\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tmeta = {\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Material',\n\t\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Material serialization\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( (this.color && this.color.isColor) ) data.color = this.color.getHex();\n\n\t\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\t\tif ( (this.emissive && this.emissive.isColor) ) data.emissive = this.emissive.getHex();\n\t\t\tif ( (this.specular && this.specular.isColor) ) data.specular = this.specular.getHex();\n\t\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\n\t\t\tif ( (this.map && this.map.isTexture) ) data.map = this.map.toJSON( meta ).uuid;\n\t\t\tif ( (this.alphaMap && this.alphaMap.isTexture) ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.lightMap && this.lightMap.isTexture) ) data.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.bumpMap && this.bumpMap.isTexture) ) {\n\n\t\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t\t}\n\t\t\tif ( (this.normalMap && this.normalMap.isTexture) ) {\n\n\t\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t\t}\n\t\t\tif ( (this.displacementMap && this.displacementMap.isTexture) ) {\n\n\t\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t\t}\n\t\t\tif ( (this.roughnessMap && this.roughnessMap.isTexture) ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.metalnessMap && this.metalnessMap.isTexture) ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.emissiveMap && this.emissiveMap.isTexture) ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\t\tif ( (this.specularMap && this.specularMap.isTexture) ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\n\t\t\tif ( (this.envMap && this.envMap.isTexture) ) {\n\n\t\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\t\t\t\tdata.reflectivity = this.reflectivity; // Scale behind envMap\n\n\t\t\t}\n\n\t\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\t\tif ( this.shading !== SmoothShading ) data.shading = this.shading;\n\t\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\t\tif ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;\n\n\t\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\t\tdata.depthFunc = this.depthFunc;\n\t\t\tdata.depthTest = this.depthTest;\n\t\t\tdata.depthWrite = this.depthWrite;\n\n\t\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\t\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\t\tdata.skinning = this.skinning;\n\t\t\tdata.morphTargets = this.morphTargets;\n\n\t\t\t// TODO: Copied from Object3D.toJSON\n\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t\tif ( isRoot ) {\n\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.fog = source.fog;\n\t\t\tthis.lights = source.lights;\n\n\t\t\tthis.blending = source.blending;\n\t\t\tthis.side = source.side;\n\t\t\tthis.shading = source.shading;\n\t\t\tthis.vertexColors = source.vertexColors;\n\n\t\t\tthis.opacity = source.opacity;\n\t\t\tthis.transparent = source.transparent;\n\n\t\t\tthis.blendSrc = source.blendSrc;\n\t\t\tthis.blendDst = source.blendDst;\n\t\t\tthis.blendEquation = source.blendEquation;\n\t\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\t\tthis.depthFunc = source.depthFunc;\n\t\t\tthis.depthTest = source.depthTest;\n\t\t\tthis.depthWrite = source.depthWrite;\n\n\t\t\tthis.colorWrite = source.colorWrite;\n\n\t\t\tthis.precision = source.precision;\n\n\t\t\tthis.polygonOffset = source.polygonOffset;\n\t\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\t\tthis.alphaTest = source.alphaTest;\n\n\t\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\t\tthis.overdraw = source.overdraw;\n\n\t\t\tthis.visible = source.visible;\n\t\t\tthis.clipShadows = source.clipShadows;\n\t\t\tthis.clipIntersection = source.clipIntersection;\n\n\t\t\tvar srcPlanes = source.clippingPlanes,\n\t\t\t\tdstPlanes = null;\n\n\t\t\tif ( srcPlanes !== null ) {\n\n\t\t\t\tvar n = srcPlanes.length;\n\t\t\t\tdstPlanes = new Array( n );\n\n\t\t\t\tfor ( var i = 0; i !== n; ++ i )\n\t\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t\tthis.clippingPlanes = dstPlanes;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'update' } );\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t};\n\n\tObject.assign( Material.prototype, EventDispatcher.prototype );\n\n\tvar count$1 = 0;\n\tfunction MaterialIdCount() { return count$1++; }\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * defines: { \"label\" : \"value\" },\n\t * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n\t *\n\t * fragmentShader: ,\n\t * vertexShader: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * lights: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction ShaderMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = 'void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}';\n\t\tthis.fragmentShader = 'void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}';\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.skinning = false; // set to use skinning attribute streams\n\t\tthis.morphTargets = false; // set to use morph targets\n\t\tthis.morphNormals = false; // set to use morph normals\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tShaderMaterial.prototype = Object.create( Material.prototype );\n\tShaderMaterial.prototype.constructor = ShaderMaterial;\n\n\tShaderMaterial.prototype.isShaderMaterial = true;\n\n\tShaderMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = UniformsUtils.clone( source.uniforms );\n\n\t\tthis.defines = source.defines;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.skinning = source.skinning;\n\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\tthis.extensions = source.extensions;\n\n\t\treturn this;\n\n\t};\n\n\tShaderMaterial.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Material.prototype.toJSON.call( this, meta );\n\n\t\tdata.uniforms = this.uniforms;\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / https://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t *\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshDepthMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshDepthMaterial.prototype = Object.create( Material.prototype );\n\tMeshDepthMaterial.prototype.constructor = MeshDepthMaterial;\n\n\tMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n\tMeshDepthMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction Box3( min, max ) {\n\n\t\tthis.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );\n\t\tthis.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );\n\n\t}\n\n\tBox3.prototype = {\n\n\t\tconstructor: Box3,\n\n\t\tisBox3: true,\n\n\t\tset: function ( min, max ) {\n\n\t\t\tthis.min.copy( min );\n\t\t\tthis.max.copy( max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromArray: function ( array ) {\n\n\t\t\tvar minX = + Infinity;\n\t\t\tvar minY = + Infinity;\n\t\t\tvar minZ = + Infinity;\n\n\t\t\tvar maxX = - Infinity;\n\t\t\tvar maxY = - Infinity;\n\t\t\tvar maxZ = - Infinity;\n\n\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tvar x = array[ i ];\n\t\t\t\tvar y = array[ i + 1 ];\n\t\t\t\tvar z = array[ i + 2 ];\n\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\t\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t\t}\n\n\t\t\tthis.min.set( minX, minY, minZ );\n\t\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\t},\n\n\t\tsetFromPoints: function ( points ) {\n\n\t\t\tthis.makeEmpty();\n\n\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCenterAndSize: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromCenterAndSize( center, size ) {\n\n\t\t\t\tvar halfSize = v1.copy( size ).multiplyScalar( 0.5 );\n\n\t\t\t\tthis.min.copy( center ).sub( halfSize );\n\t\t\t\tthis.max.copy( center ).add( halfSize );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromObject: function () {\n\n\t\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t\t// accounting for both the object's, and children's, world transforms\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function setFromObject( object ) {\n\n\t\t\t\tvar scope = this;\n\n\t\t\t\tobject.updateMatrixWorld( true );\n\n\t\t\t\tthis.makeEmpty();\n\n\t\t\t\tobject.traverse( function ( node ) {\n\n\t\t\t\t\tvar geometry = node.geometry;\n\n\t\t\t\t\tif ( geometry !== undefined ) {\n\n\t\t\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\tv1.copy( vertices[ i ] );\n\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\t\tvar attribute = geometry.attributes.position;\n\n\t\t\t\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\t\t\t\tvar array, offset, stride;\n\n\t\t\t\t\t\t\t\tif ( (attribute && attribute.isInterleavedBufferAttribute) ) {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.data.array;\n\t\t\t\t\t\t\t\t\toffset = attribute.offset;\n\t\t\t\t\t\t\t\t\tstride = attribute.data.stride;\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tarray = attribute.array;\n\t\t\t\t\t\t\t\t\toffset = 0;\n\t\t\t\t\t\t\t\t\tstride = 3;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tfor ( var i = offset, il = array.length; i < il; i += stride ) {\n\n\t\t\t\t\t\t\t\t\tv1.fromArray( array, i );\n\t\t\t\t\t\t\t\t\tv1.applyMatrix4( node.matrixWorld );\n\n\t\t\t\t\t\t\t\t\tscope.expandByPoint( v1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( box ) {\n\n\t\t\tthis.min.copy( box.min );\n\t\t\tthis.max.copy( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tmakeEmpty: function () {\n\n\t\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tisEmpty: function () {\n\n\t\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tgetSize: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );\n\n\t\t},\n\n\t\texpandByPoint: function ( point ) {\n\n\t\t\tthis.min.min( point );\n\t\t\tthis.max.max( point );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByVector: function ( vector ) {\n\n\t\t\tthis.min.sub( vector );\n\t\t\tthis.max.add( vector );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\texpandByScalar: function ( scalar ) {\n\n\t\t\tthis.min.addScalar( - scalar );\n\t\t\tthis.max.addScalar( scalar );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tif ( point.x < this.min.x || point.x > this.max.x ||\n\t\t\t\t\t point.y < this.min.y || point.y > this.max.y ||\n\t\t\t\t\t point.z < this.min.z || point.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tcontainsBox: function ( box ) {\n\n\t\t\tif ( ( this.min.x <= box.min.x ) && ( box.max.x <= this.max.x ) &&\n\t\t\t\t ( this.min.y <= box.min.y ) && ( box.max.y <= this.max.y ) &&\n\t\t\t\t ( this.min.z <= box.min.z ) && ( box.max.z <= this.max.z ) ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tgetParameter: function ( point, optionalTarget ) {\n\n\t\t\t// This can potentially have a divide by zero if the box\n\t\t\t// has a size dimension of 0.\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.set(\n\t\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t\t);\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\t// using 6 splitting planes to rule out intersections.\n\n\t\t\tif ( box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\t\t\t box.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\t\t\t box.max.z < this.min.z || box.min.z > this.max.z ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsSphere: ( function () {\n\n\t\t\tvar closestPoint;\n\n\t\t\treturn function intersectsSphere( sphere ) {\n\n\t\t\t\tif ( closestPoint === undefined ) closestPoint = new Vector3();\n\n\t\t\t\t// Find the point on the AABB closest to the sphere center.\n\t\t\t\tthis.clampPoint( sphere.center, closestPoint );\n\n\t\t\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\t\t\treturn closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\t\tvar min, max;\n\n\t\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t\t} else {\n\n\t\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t\t}\n\n\t\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t\t} else {\n\n\t\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t\t}\n\n\t\t\treturn ( min <= plane.constant && max >= plane.constant );\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( point ).clamp( this.min, this.max );\n\n\t\t},\n\n\t\tdistanceToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceToPoint( point ) {\n\n\t\t\t\tvar clampedPoint = v1.copy( point ).clamp( this.min, this.max );\n\t\t\t\treturn clampedPoint.sub( point ).length();\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetBoundingSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function getBoundingSphere( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Sphere();\n\n\t\t\t\tthis.getCenter( result.center );\n\n\t\t\t\tresult.radius = this.getSize( v1 ).length() * 0.5;\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersect: function ( box ) {\n\n\t\t\tthis.min.max( box.min );\n\t\t\tthis.max.min( box.max );\n\n\t\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\t\tif( this.isEmpty() ) this.makeEmpty();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tunion: function ( box ) {\n\n\t\t\tthis.min.min( box.min );\n\t\t\tthis.max.max( box.max );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar points = [\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3(),\n\t\t\t\tnew Vector3()\n\t\t\t];\n\n\t\t\treturn function applyMatrix4( matrix ) {\n\n\t\t\t\t// transform of empty box is an empty box.\n\t\t\t\tif( this.isEmpty() ) return this;\n\n\t\t\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t\t\tpoints[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t\t\tpoints[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t\t\tpoints[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t\t\tpoints[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t\t\tpoints[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t\t\tpoints[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t\t\tpoints[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t\t\tpoints[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix );\t// 111\n\n\t\t\t\tthis.setFromPoints( points );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.min.add( offset );\n\t\t\tthis.max.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( box ) {\n\n\t\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Sphere( center, radius ) {\n\n\t\tthis.center = ( center !== undefined ) ? center : new Vector3();\n\t\tthis.radius = ( radius !== undefined ) ? radius : 0;\n\n\t}\n\n\tSphere.prototype = {\n\n\t\tconstructor: Sphere,\n\n\t\tset: function ( center, radius ) {\n\n\t\t\tthis.center.copy( center );\n\t\t\tthis.radius = radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPoints: function () {\n\n\t\t\tvar box = new Box3();\n\n\t\t\treturn function setFromPoints( points, optionalCenter ) {\n\n\t\t\t\tvar center = this.center;\n\n\t\t\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\t\t\tcenter.copy( optionalCenter );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbox.setFromPoints( points ).getCenter( center );\n\n\t\t\t\t}\n\n\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( sphere ) {\n\n\t\t\tthis.center.copy( sphere.center );\n\t\t\tthis.radius = sphere.radius;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tempty: function () {\n\n\t\t\treturn ( this.radius <= 0 );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar radiusSum = this.radius + sphere.radius;\n\n\t\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsSphere( this );\n\n\t\t},\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// We use the following equation to compute the signed distance from\n\t\t\t// the center of the sphere to the plane.\n\t\t\t//\n\t\t\t// distance = q * n - d\n\t\t\t//\n\t\t\t// If this distance is greater than the radius of the sphere,\n\t\t\t// then there is no intersection.\n\n\t\t\treturn Math.abs( this.center.dot( plane.normal ) - plane.constant ) <= this.radius;\n\n\t\t},\n\n\t\tclampPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.copy( point );\n\n\t\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t\tresult.sub( this.center ).normalize();\n\t\t\t\tresult.multiplyScalar( this.radius ).add( this.center );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\tgetBoundingBox: function ( optionalTarget ) {\n\n\t\t\tvar box = optionalTarget || new Box3();\n\n\t\t\tbox.set( this.center, this.center );\n\t\t\tbox.expandByScalar( this.radius );\n\n\t\t\treturn box;\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.center.applyMatrix4( matrix );\n\t\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.center.add( offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( sphere ) {\n\n\t\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t * @author tschw\n\t */\n\n\tfunction Matrix3() {\n\n\t\tthis.elements = new Float32Array( [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t] );\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tMatrix3.prototype = {\n\n\t\tconstructor: Matrix3,\n\n\t\tisMatrix3: true,\n\n\t\tset: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tidentity: function () {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0,\n\t\t\t\t0, 1, 0,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().fromArray( this.elements );\n\n\t\t},\n\n\t\tcopy: function ( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 3 ], me[ 6 ],\n\t\t\t\tme[ 1 ], me[ 4 ], me[ 7 ],\n\t\t\t\tme[ 2 ], me[ 5 ], me[ 8 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix4: function( m ) {\n\n\t\t\tvar me = m.elements;\n\n\t\t\tthis.set(\n\n\t\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t\t);\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tapplyToVector3Array: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToVector3Array( array, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = array.length;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i += 3, j += 3 ) {\n\n\t\t\t\t\tv1.fromArray( array, j );\n\t\t\t\t\tv1.applyMatrix3( this );\n\t\t\t\t\tv1.toArray( array, j );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyToBuffer: function () {\n\n\t\t\tvar v1;\n\n\t\t\treturn function applyToBuffer( buffer, offset, length ) {\n\n\t\t\t\tif ( v1 === undefined ) v1 = new Vector3();\n\t\t\t\tif ( offset === undefined ) offset = 0;\n\t\t\t\tif ( length === undefined ) length = buffer.length / buffer.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = offset; i < length; i ++, j ++ ) {\n\n\t\t\t\t\tv1.x = buffer.getX( j );\n\t\t\t\t\tv1.y = buffer.getY( j );\n\t\t\t\t\tv1.z = buffer.getZ( j );\n\n\t\t\t\t\tv1.applyMatrix3( this );\n\n\t\t\t\t\tbuffer.setXYZ( j, v1.x, v1.y, v1.z );\n\n\t\t\t\t}\n\n\t\t\t\treturn buffer;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmultiplyScalar: function ( s ) {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdeterminant: function () {\n\n\t\t\tvar te = this.elements;\n\n\t\t\tvar a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t\t},\n\n\t\tgetInverse: function ( matrix, throwOnDegenerate ) {\n\n\t\t\tif ( (matrix && matrix.isMatrix4) ) {\n\n\t\t\t\tconsole.error( \"THREE.Matrix3.getInverse no longer takes a Matrix4 argument.\" );\n\n\t\t\t}\n\n\t\t\tvar me = matrix.elements,\n\t\t\t\tte = this.elements,\n\n\t\t\t\tn11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],\n\t\t\t\tn12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],\n\t\t\t\tn13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],\n\n\t\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\t\tif ( det === 0 ) {\n\n\t\t\t\tvar msg = \"THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0\";\n\n\t\t\t\tif ( throwOnDegenerate === true ) {\n\n\t\t\t\t\tthrow new Error( msg );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( msg );\n\n\t\t\t\t}\n\n\t\t\t\treturn this.identity();\n\t\t\t}\n\n\t\t\tvar detInv = 1 / det;\n\n\t\t\tte[ 0 ] = t11 * detInv;\n\t\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\t\tte[ 3 ] = t12 * detInv;\n\t\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\t\tte[ 6 ] = t13 * detInv;\n\t\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttranspose: function () {\n\n\t\t\tvar tmp, m = this.elements;\n\n\t\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tflattenToArrayOffset: function ( array, offset ) {\n\n\t\t\tconsole.warn( \"THREE.Matrix3: .flattenToArrayOffset is deprecated \" +\n\t\t\t\t\t\"- just use .toArray instead.\" );\n\n\t\t\treturn this.toArray( array, offset );\n\n\t\t},\n\n\t\tgetNormalMatrix: function ( matrix4 ) {\n\n\t\t\treturn this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();\n\n\t\t},\n\n\t\ttransposeIntoArray: function ( r ) {\n\n\t\t\tvar m = this.elements;\n\n\t\t\tr[ 0 ] = m[ 0 ];\n\t\t\tr[ 1 ] = m[ 3 ];\n\t\t\tr[ 2 ] = m[ 6 ];\n\t\t\tr[ 3 ] = m[ 1 ];\n\t\t\tr[ 4 ] = m[ 4 ];\n\t\t\tr[ 5 ] = m[ 7 ];\n\t\t\tr[ 6 ] = m[ 2 ];\n\t\t\tr[ 7 ] = m[ 5 ];\n\t\t\tr[ 8 ] = m[ 8 ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromArray: function ( array, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tfor( var i = 0; i < 9; i ++ ) {\n\n\t\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar te = this.elements;\n\n\t\t\tarray[ offset ] = te[ 0 ];\n\t\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\t\treturn array;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Plane( normal, constant ) {\n\n\t\tthis.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );\n\t\tthis.constant = ( constant !== undefined ) ? constant : 0;\n\n\t}\n\n\tPlane.prototype = {\n\n\t\tconstructor: Plane,\n\n\t\tset: function ( normal, constant ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetComponents: function ( x, y, z, w ) {\n\n\t\t\tthis.normal.set( x, y, z );\n\t\t\tthis.constant = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromNormalAndCoplanarPoint: function ( normal, point ) {\n\n\t\t\tthis.normal.copy( normal );\n\t\t\tthis.constant = - point.dot( this.normal );\t// must be this.normal, not normal, as this.normal is normalized\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromCoplanarPoints: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function setFromCoplanarPoints( a, b, c ) {\n\n\t\t\t\tvar normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();\n\n\t\t\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\t\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( plane ) {\n\n\t\t\tthis.normal.copy( plane.normal );\n\t\t\tthis.constant = plane.constant;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\t\tvar inverseNormalLength = 1.0 / this.normal.length();\n\t\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\t\tthis.constant *= inverseNormalLength;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnegate: function () {\n\n\t\t\tthis.constant *= - 1;\n\t\t\tthis.normal.negate();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn this.normal.dot( point ) + this.constant;\n\n\t\t},\n\n\t\tdistanceToSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t\t},\n\n\t\tprojectPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn this.orthoPoint( point, optionalTarget ).sub( point ).negate();\n\n\t\t},\n\n\t\torthoPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar perpendicularMagnitude = this.distanceToPoint( point );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( perpendicularMagnitude );\n\n\t\t},\n\n\t\tintersectLine: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectLine( line, optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tvar direction = line.delta( v1 );\n\n\t\t\t\tvar denominator = this.normal.dot( direction );\n\n\t\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t\t// line is coplanar, return origin\n\t\t\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\t\t\treturn result.copy( line.start );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\tvar t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\t\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t}\n\n\t\t\t\treturn result.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsLine: function ( line ) {\n\n\t\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\t\tvar startSign = this.distanceToPoint( line.start );\n\t\t\tvar endSign = this.distanceToPoint( line.end );\n\n\t\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t\t},\n\n\t\tintersectsBox: function ( box ) {\n\n\t\t\treturn box.intersectsPlane( this );\n\n\t\t},\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn sphere.intersectsPlane( this );\n\n\t\t},\n\n\t\tcoplanarPoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t\t},\n\n\t\tapplyMatrix4: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar m1 = new Matrix3();\n\n\t\t\treturn function applyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\t\t\tvar referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );\n\n\t\t\t\t// transform normal based on theory here:\n\t\t\t\t// http://www.songho.ca/opengl/gl_normaltransform.html\n\t\t\t\tvar normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );\n\t\t\t\tvar normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t// recalculate constant (like in setFromNormalAndCoplanarPoint)\n\t\t\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function ( offset ) {\n\n\t\t\tthis.constant = this.constant - offset.dot( this.normal );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( plane ) {\n\n\t\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Frustum( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tthis.planes = [\n\n\t\t\t( p0 !== undefined ) ? p0 : new Plane(),\n\t\t\t( p1 !== undefined ) ? p1 : new Plane(),\n\t\t\t( p2 !== undefined ) ? p2 : new Plane(),\n\t\t\t( p3 !== undefined ) ? p3 : new Plane(),\n\t\t\t( p4 !== undefined ) ? p4 : new Plane(),\n\t\t\t( p5 !== undefined ) ? p5 : new Plane()\n\n\t\t];\n\n\t}\n\n\tFrustum.prototype = {\n\n\t\tconstructor: Frustum,\n\n\t\tset: function ( p0, p1, p2, p3, p4, p5 ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tplanes[ 0 ].copy( p0 );\n\t\t\tplanes[ 1 ].copy( p1 );\n\t\t\tplanes[ 2 ].copy( p2 );\n\t\t\tplanes[ 3 ].copy( p3 );\n\t\t\tplanes[ 4 ].copy( p4 );\n\t\t\tplanes[ 5 ].copy( p5 );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( frustum ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromMatrix: function ( m ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar me = m.elements;\n\t\t\tvar me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\t\tvar me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\t\tvar me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\t\tvar me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tintersectsObject: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsObject( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere )\n\t\t\t\t\t.applyMatrix4( object.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSprite: function () {\n\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function intersectsSprite( sprite ) {\n\n\t\t\t\tsphere.center.set( 0, 0, 0 );\n\t\t\t\tsphere.radius = 0.7071067811865476;\n\t\t\t\tsphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\t\treturn this.intersectsSphere( sphere );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\tvar planes = this.planes;\n\t\t\tvar center = sphere.center;\n\t\t\tvar negRadius = - sphere.radius;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tvar distance = planes[ i ].distanceToPoint( center );\n\n\t\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t},\n\n\t\tintersectsBox: function () {\n\n\t\t\tvar p1 = new Vector3(),\n\t\t\t\tp2 = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\tvar planes = this.planes;\n\n\t\t\t\tfor ( var i = 0; i < 6 ; i ++ ) {\n\n\t\t\t\t\tvar plane = planes[ i ];\n\n\t\t\t\t\tp1.x = plane.normal.x > 0 ? box.min.x : box.max.x;\n\t\t\t\t\tp2.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t\t\tp1.y = plane.normal.y > 0 ? box.min.y : box.max.y;\n\t\t\t\t\tp2.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t\t\tp1.z = plane.normal.z > 0 ? box.min.z : box.max.z;\n\t\t\t\t\tp2.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\t\t\tvar d1 = plane.distanceToPoint( p1 );\n\t\t\t\t\tvar d2 = plane.distanceToPoint( p2 );\n\n\t\t\t\t\t// if both outside plane, no intersection\n\n\t\t\t\t\tif ( d1 < 0 && d2 < 0 ) {\n\n\t\t\t\t\t\treturn false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t};\n\n\t\t}(),\n\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\tvar planes = this.planes;\n\n\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\t\treturn false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {\n\n\t\tvar _gl = _renderer.context,\n\t\t_state = _renderer.state,\n\t\t_frustum = new Frustum(),\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_lightShadows = _lights.shadows,\n\n\t\t_shadowMapSize = new Vector2(),\n\t\t_maxShadowMapSize = new Vector2( capabilities.maxTextureSize, capabilities.maxTextureSize ),\n\n\t\t_lookTarget = new Vector3(),\n\t\t_lightPositionWorld = new Vector3(),\n\n\t\t_renderList = [],\n\n\t\t_MorphingFlag = 1,\n\t\t_SkinningFlag = 2,\n\n\t\t_NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,\n\n\t\t_depthMaterials = new Array( _NumberOfMaterialVariants ),\n\t\t_distanceMaterials = new Array( _NumberOfMaterialVariants ),\n\n\t\t_materialCache = {};\n\n\t\tvar cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tvar cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t\tvar cube2DViewPorts = [\n\t\t\tnew Vector4(), new Vector4(), new Vector4(),\n\t\t\tnew Vector4(), new Vector4(), new Vector4()\n\t\t];\n\n\t\t// init\n\n\t\tvar depthMaterialTemplate = new MeshDepthMaterial();\n\t\tdepthMaterialTemplate.depthPacking = RGBADepthPacking;\n\t\tdepthMaterialTemplate.clipping = true;\n\n\t\tvar distanceShader = ShaderLib[ \"distanceRGBA\" ];\n\t\tvar distanceUniforms = UniformsUtils.clone( distanceShader.uniforms );\n\n\t\tfor ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {\n\n\t\t\tvar useMorphing = ( i & _MorphingFlag ) !== 0;\n\t\t\tvar useSkinning = ( i & _SkinningFlag ) !== 0;\n\n\t\t\tvar depthMaterial = depthMaterialTemplate.clone();\n\t\t\tdepthMaterial.morphTargets = useMorphing;\n\t\t\tdepthMaterial.skinning = useSkinning;\n\n\t\t\t_depthMaterials[ i ] = depthMaterial;\n\n\t\t\tvar distanceMaterial = new ShaderMaterial( {\n\t\t\t\tdefines: {\n\t\t\t\t\t'USE_SHADOWMAP': ''\n\t\t\t\t},\n\t\t\t\tuniforms: distanceUniforms,\n\t\t\t\tvertexShader: distanceShader.vertexShader,\n\t\t\t\tfragmentShader: distanceShader.fragmentShader,\n\t\t\t\tmorphTargets: useMorphing,\n\t\t\t\tskinning: useSkinning,\n\t\t\t\tclipping: true\n\t\t\t} );\n\n\t\t\t_distanceMaterials[ i ] = distanceMaterial;\n\n\t\t}\n\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tthis.enabled = false;\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis.type = PCFShadowMap;\n\n\t\tthis.renderReverseSided = true;\n\t\tthis.renderSingleSided = true;\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\t\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\t\tif ( _lightShadows.length === 0 ) return;\n\n\t\t\t// Set GL state for depth map.\n\t\t\t_state.clearColor( 1, 1, 1, 1 );\n\t\t\t_state.disable( _gl.BLEND );\n\t\t\t_state.setDepthTest( true );\n\t\t\t_state.setScissorTest( false );\n\n\t\t\t// render depth map\n\n\t\t\tvar faceCount, isPointLight;\n\n\t\t\tfor ( var i = 0, il = _lightShadows.length; i < il; i ++ ) {\n\n\t\t\t\tvar light = _lightShadows[ i ];\n\t\t\t\tvar shadow = light.shadow;\n\n\t\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowCamera = shadow.camera;\n\n\t\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\t\t\t\t_shadowMapSize.min( _maxShadowMapSize );\n\n\t\t\t\tif ( (light && light.isPointLight) ) {\n\n\t\t\t\t\tfaceCount = 6;\n\t\t\t\t\tisPointLight = true;\n\n\t\t\t\t\tvar vpWidth = _shadowMapSize.x;\n\t\t\t\t\tvar vpHeight = _shadowMapSize.y;\n\n\t\t\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t\t\t// following orientation:\n\t\t\t\t\t//\n\t\t\t\t\t// xzXZ\n\t\t\t\t\t// y Y\n\t\t\t\t\t//\n\t\t\t\t\t// X - Positive x direction\n\t\t\t\t\t// x - Negative x direction\n\t\t\t\t\t// Y - Positive y direction\n\t\t\t\t\t// y - Negative y direction\n\t\t\t\t\t// Z - Positive z direction\n\t\t\t\t\t// z - Negative z direction\n\n\t\t\t\t\t// positive X\n\t\t\t\t\tcube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative X\n\t\t\t\t\tcube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Z\n\t\t\t\t\tcube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// negative Z\n\t\t\t\t\tcube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );\n\t\t\t\t\t// positive Y\n\t\t\t\t\tcube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );\n\t\t\t\t\t// negative Y\n\t\t\t\t\tcube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );\n\n\t\t\t\t\t_shadowMapSize.x *= 4.0;\n\t\t\t\t\t_shadowMapSize.y *= 2.0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfaceCount = 1;\n\t\t\t\t\tisPointLight = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\t\tvar pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\t\tshadowCamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tif ( (shadow && shadow.isSpotLightShadow) ) {\n\n\t\t\t\t\tshadow.update( light );\n\n\t\t\t\t}\n\n\t\t\t\tvar shadowMap = shadow.map;\n\t\t\t\tvar shadowMatrix = shadow.matrix;\n\n\t\t\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tshadowCamera.position.copy( _lightPositionWorld );\n\n\t\t\t\t_renderer.setRenderTarget( shadowMap );\n\t\t\t\t_renderer.clear();\n\n\t\t\t\t// render shadow map for each cube face (if omni-directional) or\n\t\t\t\t// run a single pass if not\n\n\t\t\t\tfor ( var face = 0; face < faceCount; face ++ ) {\n\n\t\t\t\t\tif ( isPointLight ) {\n\n\t\t\t\t\t\t_lookTarget.copy( shadowCamera.position );\n\t\t\t\t\t\t_lookTarget.add( cubeDirections[ face ] );\n\t\t\t\t\t\tshadowCamera.up.copy( cubeUps[ face ] );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t\tvar vpDimensions = cube2DViewPorts[ face ];\n\t\t\t\t\t\t_state.viewport( vpDimensions );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_lookTarget.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\t\tshadowCamera.lookAt( _lookTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tshadowCamera.updateMatrixWorld();\n\t\t\t\t\tshadowCamera.matrixWorldInverse.getInverse( shadowCamera.matrixWorld );\n\n\t\t\t\t\t// compute shadow matrix\n\n\t\t\t\t\tshadowMatrix.set(\n\t\t\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t\t\t);\n\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\t\t\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t\t\t\t\t// update camera matrices and frustum\n\n\t\t\t\t\t_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\t\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\t\t\t// set object matrices & frustum culling\n\n\t\t\t\t\t_renderList.length = 0;\n\n\t\t\t\t\tprojectObject( scene, camera, shadowCamera );\n\n\t\t\t\t\t// render shadow map\n\t\t\t\t\t// render regular objects\n\n\t\t\t\t\tfor ( var j = 0, jl = _renderList.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar object = _renderList[ j ];\n\t\t\t\t\t\tvar geometry = _objects.update( object );\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( (material && material.isMultiMaterial) ) {\n\n\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\tfor ( var k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\t\t\tvar group = groups[ k ];\n\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld );\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Restore GL state.\n\t\t\tvar clearColor = _renderer.getClearColor(),\n\t\t\tclearAlpha = _renderer.getClearAlpha();\n\t\t\t_renderer.setClearColor( clearColor, clearAlpha );\n\n\t\t\tscope.needsUpdate = false;\n\n\t\t};\n\n\t\tfunction getDepthMaterial( object, material, isPointLight, lightPositionWorld ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tvar result = null;\n\n\t\t\tvar materialVariants = _depthMaterials;\n\t\t\tvar customMaterial = object.customDepthMaterial;\n\n\t\t\tif ( isPointLight ) {\n\n\t\t\t\tmaterialVariants = _distanceMaterials;\n\t\t\t\tcustomMaterial = object.customDistanceMaterial;\n\n\t\t\t}\n\n\t\t\tif ( ! customMaterial ) {\n\n\t\t\t\tvar useMorphing = false;\n\n\t\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;\n\n\t\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\t\tuseMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar useSkinning = object.isSkinnedMesh && material.skinning;\n\n\t\t\t\tvar variantIndex = 0;\n\n\t\t\t\tif ( useMorphing ) variantIndex |= _MorphingFlag;\n\t\t\t\tif ( useSkinning ) variantIndex |= _SkinningFlag;\n\n\t\t\t\tresult = materialVariants[ variantIndex ];\n\n\t\t\t} else {\n\n\t\t\t\tresult = customMaterial;\n\n\t\t\t}\n\n\t\t\tif ( _renderer.localClippingEnabled &&\n\t\t\t\t material.clipShadows === true &&\n\t\t\t\t\tmaterial.clippingPlanes.length !== 0 ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tvar keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tvar materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tvar cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult.visible = material.visible;\n\t\t\tresult.wireframe = material.wireframe;\n\n\t\t\tvar side = material.side;\n\n\t\t\tif ( scope.renderSingleSided && side == DoubleSide ) {\n\n\t\t\t\tside = FrontSide;\n\n\t\t\t}\n\n\t\t\tif ( scope.renderReverseSided ) {\n\n\t\t\t\tif ( side === FrontSide ) side = BackSide;\n\t\t\t\telse if ( side === BackSide ) side = FrontSide;\n\n\t\t\t}\n\n\t\t\tresult.side = side;\n\n\t\t\tresult.clipShadows = material.clipShadows;\n\t\t\tresult.clippingPlanes = material.clippingPlanes;\n\n\t\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\t\tresult.linewidth = material.linewidth;\n\n\t\t\tif ( isPointLight && result.uniforms.lightPos !== undefined ) {\n\n\t\t\t\tresult.uniforms.lightPos.value.copy( lightPositionWorld );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera, shadowCamera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\t\tif ( object.castShadow && ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) ) {\n\n\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\t\t\t_renderList.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, shadowCamera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Ray( origin, direction ) {\n\n\t\tthis.origin = ( origin !== undefined ) ? origin : new Vector3();\n\t\tthis.direction = ( direction !== undefined ) ? direction : new Vector3();\n\n\t}\n\n\tRay.prototype = {\n\n\t\tconstructor: Ray,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\tthis.origin.copy( origin );\n\t\t\tthis.direction.copy( direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( ray ) {\n\n\t\t\tthis.origin.copy( ray.origin );\n\t\t\tthis.direction.copy( ray.direction );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t\t},\n\n\t\tlookAt: function ( v ) {\n\n\t\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trecast: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function recast( t ) {\n\n\t\t\t\tthis.origin.copy( this.at( t, v1 ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\tresult.subVectors( point, this.origin );\n\t\t\tvar directionDistance = result.dot( this.direction );\n\n\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\treturn result.copy( this.origin );\n\n\t\t\t}\n\n\t\t\treturn result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t},\n\n\t\tdistanceToPoint: function ( point ) {\n\n\t\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t\t},\n\n\t\tdistanceSqToPoint: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function distanceSqToPoint( point ) {\n\n\t\t\t\tvar directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t\t\t// point behind the ray\n\n\t\t\t\tif ( directionDistance < 0 ) {\n\n\t\t\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t\t\t}\n\n\t\t\t\tv1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\t\t\treturn v1.distanceToSquared( point );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tdistanceSqToSegment: function () {\n\n\t\t\tvar segCenter = new Vector3();\n\t\t\tvar segDir = new Vector3();\n\t\t\tvar diff = new Vector3();\n\n\t\t\treturn function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t\t\t// It returns the min distance between the ray and the segment\n\t\t\t\t// defined by v0 and v1\n\t\t\t\t// It can also set two optional targets :\n\t\t\t\t// - The closest point on the ray\n\t\t\t\t// - The closest point on the segment\n\n\t\t\t\tsegCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t\t\tsegDir.copy( v1 ).sub( v0 ).normalize();\n\t\t\t\tdiff.copy( this.origin ).sub( segCenter );\n\n\t\t\t\tvar segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\t\t\tvar a01 = - this.direction.dot( segDir );\n\t\t\t\tvar b0 = diff.dot( this.direction );\n\t\t\t\tvar b1 = - diff.dot( segDir );\n\t\t\t\tvar c = diff.lengthSq();\n\t\t\t\tvar det = Math.abs( 1 - a01 * a01 );\n\t\t\t\tvar s0, s1, sqrDist, extDet;\n\n\t\t\t\tif ( det > 0 ) {\n\n\t\t\t\t\t// The ray and segment are not parallel.\n\n\t\t\t\t\ts0 = a01 * b1 - b0;\n\t\t\t\t\ts1 = a01 * b0 - b1;\n\t\t\t\t\textDet = segExtent * det;\n\n\t\t\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\t\t\tvar invDet = 1 / det;\n\t\t\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 5\n\n\t\t\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t\t\t// region 4\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t\t\t// region 3\n\n\t\t\t\t\t\t\ts0 = 0;\n\t\t\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// region 2\n\n\t\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Ray and segment are parallel.\n\n\t\t\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnRay ) {\n\n\t\t\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t\t\t}\n\n\t\t\t\tif ( optionalPointOnSegment ) {\n\n\t\t\t\t\toptionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );\n\n\t\t\t\t}\n\n\t\t\t\treturn sqrDist;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectSphere: function () {\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function intersectSphere( sphere, optionalTarget ) {\n\n\t\t\t\tv1.subVectors( sphere.center, this.origin );\n\t\t\t\tvar tca = v1.dot( this.direction );\n\t\t\t\tvar d2 = v1.dot( v1 ) - tca * tca;\n\t\t\t\tvar radius2 = sphere.radius * sphere.radius;\n\n\t\t\t\tif ( d2 > radius2 ) return null;\n\n\t\t\t\tvar thc = Math.sqrt( radius2 - d2 );\n\n\t\t\t\t// t0 = first intersect point - entrance on front of sphere\n\t\t\t\tvar t0 = tca - thc;\n\n\t\t\t\t// t1 = second intersect point - exit point on back of sphere\n\t\t\t\tvar t1 = tca + thc;\n\n\t\t\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\t\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t\t\t// test to see if t0 is behind the ray:\n\t\t\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t\t\t// in order to always return an intersect point that is in front of the ray.\n\t\t\t\tif ( t0 < 0 ) return this.at( t1, optionalTarget );\n\n\t\t\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\t\t\treturn this.at( t0, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tintersectsSphere: function ( sphere ) {\n\n\t\t\treturn this.distanceToPoint( sphere.center ) <= sphere.radius;\n\n\t\t},\n\n\t\tdistanceToPlane: function ( plane ) {\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator === 0 ) {\n\n\t\t\t\t// line is coplanar, return origin\n\t\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t\t// Return if the ray never intersects the plane\n\n\t\t\treturn t >= 0 ? t : null;\n\n\t\t},\n\n\t\tintersectPlane: function ( plane, optionalTarget ) {\n\n\t\t\tvar t = this.distanceToPlane( plane );\n\n\t\t\tif ( t === null ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\treturn this.at( t, optionalTarget );\n\n\t\t},\n\n\n\n\t\tintersectsPlane: function ( plane ) {\n\n\t\t\t// check if the ray lies on the plane first\n\n\t\t\tvar distToPoint = plane.distanceToPoint( this.origin );\n\n\t\t\tif ( distToPoint === 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\tvar denominator = plane.normal.dot( this.direction );\n\n\t\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\t\treturn false;\n\n\t\t},\n\n\t\tintersectBox: function ( box, optionalTarget ) {\n\n\t\t\tvar tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\t\tvar invdirx = 1 / this.direction.x,\n\t\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\t\tvar origin = this.origin;\n\n\t\t\tif ( invdirx >= 0 ) {\n\n\t\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t\t} else {\n\n\t\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t\t}\n\n\t\t\tif ( invdiry >= 0 ) {\n\n\t\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t\t} else {\n\n\t\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\t\tif ( invdirz >= 0 ) {\n\n\t\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t\t} else {\n\n\t\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t\t}\n\n\t\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t\t//return point closest to the ray (positive side)\n\n\t\t\tif ( tmax < 0 ) return null;\n\n\t\t\treturn this.at( tmin >= 0 ? tmin : tmax, optionalTarget );\n\n\t\t},\n\n\t\tintersectsBox: ( function () {\n\n\t\t\tvar v = new Vector3();\n\n\t\t\treturn function intersectsBox( box ) {\n\n\t\t\t\treturn this.intersectBox( box, v ) !== null;\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tintersectTriangle: function () {\n\n\t\t\t// Compute the offset origin, edges, and normal.\n\t\t\tvar diff = new Vector3();\n\t\t\tvar edge1 = new Vector3();\n\t\t\tvar edge2 = new Vector3();\n\t\t\tvar normal = new Vector3();\n\n\t\t\treturn function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {\n\n\t\t\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t\t\tedge1.subVectors( b, a );\n\t\t\t\tedge2.subVectors( c, a );\n\t\t\t\tnormal.crossVectors( edge1, edge2 );\n\n\t\t\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\t\t\tvar DdN = this.direction.dot( normal );\n\t\t\t\tvar sign;\n\n\t\t\t\tif ( DdN > 0 ) {\n\n\t\t\t\t\tif ( backfaceCulling ) return null;\n\t\t\t\t\tsign = 1;\n\n\t\t\t\t} else if ( DdN < 0 ) {\n\n\t\t\t\t\tsign = - 1;\n\t\t\t\t\tDdN = - DdN;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tdiff.subVectors( this.origin, a );\n\t\t\t\tvar DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );\n\n\t\t\t\t// b1 < 0, no intersection\n\t\t\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\tvar DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );\n\n\t\t\t\t// b2 < 0, no intersection\n\t\t\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// b1+b2 > 1, no intersection\n\t\t\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Line intersects triangle, check if ray does.\n\t\t\t\tvar QdN = - sign * diff.dot( normal );\n\n\t\t\t\t// t < 0, no intersection\n\t\t\t\tif ( QdN < 0 ) {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t\t// Ray intersects triangle.\n\t\t\t\treturn this.at( QdN / DdN, optionalTarget );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tapplyMatrix4: function ( matrix4 ) {\n\n\t\t\tthis.direction.add( this.origin ).applyMatrix4( matrix4 );\n\t\t\tthis.origin.applyMatrix4( matrix4 );\n\t\t\tthis.direction.sub( this.origin );\n\t\t\tthis.direction.normalize();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( ray ) {\n\n\t\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Euler( x, y, z, order ) {\n\n\t\tthis._x = x || 0;\n\t\tthis._y = y || 0;\n\t\tthis._z = z || 0;\n\t\tthis._order = order || Euler.DefaultOrder;\n\n\t}\n\n\tEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\n\tEuler.DefaultOrder = 'XYZ';\n\n\tEuler.prototype = {\n\n\t\tconstructor: Euler,\n\n\t\tisEuler: true,\n\n\t\tget x () {\n\n\t\t\treturn this._x;\n\n\t\t},\n\n\t\tset x ( value ) {\n\n\t\t\tthis._x = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget y () {\n\n\t\t\treturn this._y;\n\n\t\t},\n\n\t\tset y ( value ) {\n\n\t\t\tthis._y = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget z () {\n\n\t\t\treturn this._z;\n\n\t\t},\n\n\t\tset z ( value ) {\n\n\t\t\tthis._z = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tget order () {\n\n\t\t\treturn this._order;\n\n\t\t},\n\n\t\tset order ( value ) {\n\n\t\t\tthis._order = value;\n\t\t\tthis.onChangeCallback();\n\n\t\t},\n\n\t\tset: function ( x, y, z, order ) {\n\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\t\t\tthis._order = order || this._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t\t},\n\n\t\tcopy: function ( euler ) {\n\n\t\t\tthis._x = euler._x;\n\t\t\tthis._y = euler._y;\n\t\t\tthis._z = euler._z;\n\t\t\tthis._order = euler._order;\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromRotationMatrix: function ( m, order, update ) {\n\n\t\t\tvar clamp = _Math.clamp;\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tvar te = m.elements;\n\t\t\tvar m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\t\tvar m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\t\tvar m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\t\torder = order || this._order;\n\n\t\t\tif ( order === 'XYZ' ) {\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YXZ' ) {\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZXY' ) {\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'ZYX' ) {\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'YZX' ) {\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t} else if ( order === 'XZY' ) {\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.99999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );\n\n\t\t\t}\n\n\t\t\tthis._order = order;\n\n\t\t\tif ( update !== false ) this.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromQuaternion: function () {\n\n\t\t\tvar matrix;\n\n\t\t\treturn function setFromQuaternion( q, order, update ) {\n\n\t\t\t\tif ( matrix === undefined ) matrix = new Matrix4();\n\n\t\t\t\tmatrix.makeRotationFromQuaternion( q );\n\n\t\t\t\treturn this.setFromRotationMatrix( matrix, order, update );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tsetFromVector3: function ( v, order ) {\n\n\t\t\treturn this.set( v.x, v.y, v.z, order || this._order );\n\n\t\t},\n\n\t\treorder: function () {\n\n\t\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t\tvar q = new Quaternion();\n\n\t\t\treturn function reorder( newOrder ) {\n\n\t\t\t\tq.setFromEuler( this );\n\n\t\t\t\treturn this.setFromQuaternion( q, newOrder );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( euler ) {\n\n\t\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t\t},\n\n\t\tfromArray: function ( array ) {\n\n\t\t\tthis._x = array[ 0 ];\n\t\t\tthis._y = array[ 1 ];\n\t\t\tthis._z = array[ 2 ];\n\t\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\t\tthis.onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoArray: function ( array, offset ) {\n\n\t\t\tif ( array === undefined ) array = [];\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tarray[ offset ] = this._x;\n\t\t\tarray[ offset + 1 ] = this._y;\n\t\t\tarray[ offset + 2 ] = this._z;\n\t\t\tarray[ offset + 3 ] = this._order;\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\ttoVector3: function ( optionalResult ) {\n\n\t\t\tif ( optionalResult ) {\n\n\t\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t\t} else {\n\n\t\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t\t}\n\n\t\t},\n\n\t\tonChange: function ( callback ) {\n\n\t\t\tthis.onChangeCallback = callback;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tonChangeCallback: function () {}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Layers() {\n\n\t\tthis.mask = 1;\n\n\t}\n\n\tLayers.prototype = {\n\n\t\tconstructor: Layers,\n\n\t\tset: function ( channel ) {\n\n\t\t\tthis.mask = 1 << channel;\n\n\t\t},\n\n\t\tenable: function ( channel ) {\n\n\t\t\tthis.mask |= 1 << channel;\n\n\t\t},\n\n\t\ttoggle: function ( channel ) {\n\n\t\t\tthis.mask ^= 1 << channel;\n\n\t\t},\n\n\t\tdisable: function ( channel ) {\n\n\t\t\tthis.mask &= ~ ( 1 << channel );\n\n\t\t},\n\n\t\ttest: function ( layers ) {\n\n\t\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author elephantatwork / www.elephantatwork.ch\n\t */\n\n\tfunction Object3D() {\n\n\t\tObject.defineProperty( this, 'id', { value: Object3DIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tvar position = new Vector3();\n\t\tvar rotation = new Euler();\n\t\tvar quaternion = new Quaternion();\n\t\tvar scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation.onChange( onRotationChange );\n\t\tquaternion.onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.userData = {};\n\n\t\tthis.onBeforeRender = function(){}; \n\t\tthis.onAfterRender = function(){};\n\n\t}\n\n\tObject3D.DefaultUp = new Vector3( 0, 1, 0 );\n\tObject3D.DefaultMatrixAutoUpdate = true;\n\n\tObject.assign( Object3D.prototype, EventDispatcher.prototype, {\n\n\t\tisObject3D: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tthis.matrix.multiplyMatrices( matrix, this.matrix );\n\n\t\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t\t},\n\n\t\tsetRotationFromAxisAngle: function ( axis, angle ) {\n\n\t\t\t// assumes axis is normalized\n\n\t\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t\t},\n\n\t\tsetRotationFromEuler: function ( euler ) {\n\n\t\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t\t},\n\n\t\tsetRotationFromMatrix: function ( m ) {\n\n\t\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t\t},\n\n\t\tsetRotationFromQuaternion: function ( q ) {\n\n\t\t\t// assumes q is normalized\n\n\t\t\tthis.quaternion.copy( q );\n\n\t\t},\n\n\t\trotateOnAxis: function () {\n\n\t\t\t// rotate object on axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar q1 = new Quaternion();\n\n\t\t\treturn function rotateOnAxis( axis, angle ) {\n\n\t\t\t\tq1.setFromAxisAngle( axis, angle );\n\n\t\t\t\tthis.quaternion.multiply( q1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\treturn this.rotateOnAxis( v1, angle );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateOnAxis: function () {\n\n\t\t\t// translate object by distance along axis in object space\n\t\t\t// axis is assumed to be normalized\n\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function translateOnAxis( axis, distance ) {\n\n\t\t\t\tv1.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\t\t\tthis.position.add( v1.multiplyScalar( distance ) );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateX: function () {\n\n\t\t\tvar v1 = new Vector3( 1, 0, 0 );\n\n\t\t\treturn function translateX( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateY: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 1, 0 );\n\n\t\t\treturn function translateY( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslateZ: function () {\n\n\t\t\tvar v1 = new Vector3( 0, 0, 1 );\n\n\t\t\treturn function translateZ( distance ) {\n\n\t\t\t\treturn this.translateOnAxis( v1, distance );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlocalToWorld: function ( vector ) {\n\n\t\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t\t},\n\n\t\tworldToLocal: function () {\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function worldToLocal( vector ) {\n\n\t\t\t\treturn vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\t// This routine does not support objects with rotated and/or translated parent(s)\n\n\t\t\tvar m1 = new Matrix4();\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tm1.lookAt( vector, this.position, this.up );\n\n\t\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tadd: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( object === this ) {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object can't be added as a child of itself.\", object );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tif ( (object && object.isObject3D) ) {\n\n\t\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\t\tobject.parent.remove( object );\n\n\t\t\t\t}\n\n\t\t\t\tobject.parent = this;\n\t\t\t\tobject.dispatchEvent( { type: 'added' } );\n\n\t\t\t\tthis.children.push( object );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( \"THREE.Object3D.add: object not an instance of THREE.Object3D.\", object );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tremove: function ( object ) {\n\n\t\t\tif ( arguments.length > 1 ) {\n\n\t\t\t\tfor ( var i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar index = this.children.indexOf( object );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tobject.parent = null;\n\n\t\t\t\tobject.dispatchEvent( { type: 'removed' } );\n\n\t\t\t\tthis.children.splice( index, 1 );\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetObjectById: function ( id ) {\n\n\t\t\treturn this.getObjectByProperty( 'id', id );\n\n\t\t},\n\n\t\tgetObjectByName: function ( name ) {\n\n\t\t\treturn this.getObjectByProperty( 'name', name );\n\n\t\t},\n\n\t\tgetObjectByProperty: function ( name, value ) {\n\n\t\t\tif ( this[ name ] === value ) return this;\n\n\t\t\tfor ( var i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\t\tvar child = this.children[ i ];\n\t\t\t\tvar object = child.getObjectByProperty( name, value );\n\n\t\t\t\tif ( object !== undefined ) {\n\n\t\t\t\t\treturn object;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t},\n\n\t\tgetWorldPosition: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\treturn result.setFromMatrixPosition( this.matrixWorld );\n\n\t\t},\n\n\t\tgetWorldQuaternion: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar scale = new Vector3();\n\n\t\t\treturn function getWorldQuaternion( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Quaternion();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, result, scale );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldRotation: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldRotation( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Euler();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.setFromQuaternion( quaternion, this.rotation.order, false );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldScale: function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldScale( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, result );\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tgetWorldDirection: function () {\n\n\t\t\tvar quaternion = new Quaternion();\n\n\t\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\t\treturn result.set( 0, 0, 1 ).applyQuaternion( quaternion );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\traycast: function () {},\n\n\t\ttraverse: function ( callback ) {\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverse( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseVisible: function ( callback ) {\n\n\t\t\tif ( this.visible === false ) return;\n\n\t\t\tcallback( this );\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttraverseAncestors: function ( callback ) {\n\n\t\t\tvar parent = this.parent;\n\n\t\t\tif ( parent !== null ) {\n\n\t\t\t\tcallback( parent );\n\n\t\t\t\tparent.traverseAncestors( callback );\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrix: function () {\n\n\t\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t\t},\n\n\t\tupdateMatrixWorld: function ( force ) {\n\n\t\t\tif ( this.matrixAutoUpdate === true ) this.updateMatrix();\n\n\t\t\tif ( this.matrixWorldNeedsUpdate === true || force === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\t\tforce = true;\n\n\t\t\t}\n\n\t\t\t// update children\n\n\t\t\tvar children = this.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\t// meta is '' when called from JSON.stringify\n\t\t\tvar isRootObject = ( meta === undefined || meta === '' );\n\n\t\t\tvar output = {};\n\n\t\t\t// meta is a hash used to collect geometries, materials.\n\t\t\t// not providing it implies that this is the root object\n\t\t\t// being serialized.\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\t// initialize meta obj\n\t\t\t\tmeta = {\n\t\t\t\t\tgeometries: {},\n\t\t\t\t\tmaterials: {},\n\t\t\t\t\ttextures: {},\n\t\t\t\t\timages: {}\n\t\t\t\t};\n\n\t\t\t\toutput.metadata = {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Object',\n\t\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// standard Object3D serialization\n\n\t\t\tvar object = {};\n\n\t\t\tobject.uuid = this.uuid;\n\t\t\tobject.type = this.type;\n\n\t\t\tif ( this.name !== '' ) object.name = this.name;\n\t\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\t\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\t\tif ( this.visible === false ) object.visible = false;\n\n\t\t\tobject.matrix = this.matrix.toArray();\n\n\t\t\t//\n\n\t\t\tif ( this.geometry !== undefined ) {\n\n\t\t\t\tif ( meta.geometries[ this.geometry.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.geometries[ this.geometry.uuid ] = this.geometry.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.geometry = this.geometry.uuid;\n\n\t\t\t}\n\n\t\t\tif ( this.material !== undefined ) {\n\n\t\t\t\tif ( meta.materials[ this.material.uuid ] === undefined ) {\n\n\t\t\t\t\tmeta.materials[ this.material.uuid ] = this.material.toJSON( meta );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = this.material.uuid;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( this.children.length > 0 ) {\n\n\t\t\t\tobject.children = [];\n\n\t\t\t\tfor ( var i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( isRootObject ) {\n\n\t\t\t\tvar geometries = extractFromCache( meta.geometries );\n\t\t\t\tvar materials = extractFromCache( meta.materials );\n\t\t\t\tvar textures = extractFromCache( meta.textures );\n\t\t\t\tvar images = extractFromCache( meta.images );\n\n\t\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\t\tif ( images.length > 0 ) output.images = images;\n\n\t\t\t}\n\n\t\t\toutput.object = object;\n\n\t\t\treturn output;\n\n\t\t\t// extract data from the cache hash\n\t\t\t// remove metadata on each item\n\t\t\t// and return as array\n\t\t\tfunction extractFromCache( cache ) {\n\n\t\t\t\tvar values = [];\n\t\t\t\tfor ( var key in cache ) {\n\n\t\t\t\t\tvar data = cache[ key ];\n\t\t\t\t\tdelete data.metadata;\n\t\t\t\t\tvalues.push( data );\n\n\t\t\t\t}\n\t\t\t\treturn values;\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function ( recursive ) {\n\n\t\t\treturn new this.constructor().copy( this, recursive );\n\n\t\t},\n\n\t\tcopy: function ( source, recursive ) {\n\n\t\t\tif ( recursive === undefined ) recursive = true;\n\n\t\t\tthis.name = source.name;\n\n\t\t\tthis.up.copy( source.up );\n\n\t\t\tthis.position.copy( source.position );\n\t\t\tthis.quaternion.copy( source.quaternion );\n\t\t\tthis.scale.copy( source.scale );\n\n\t\t\tthis.matrix.copy( source.matrix );\n\t\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\t\tthis.visible = source.visible;\n\n\t\t\tthis.castShadow = source.castShadow;\n\t\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\t\tthis.frustumCulled = source.frustumCulled;\n\t\t\tthis.renderOrder = source.renderOrder;\n\n\t\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\t\tif ( recursive === true ) {\n\n\t\t\t\tfor ( var i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\t\tvar child = source.children[ i ];\n\t\t\t\t\tthis.add( child.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\tvar count$2 = 0;\n\tfunction Object3DIdCount() { return count$2++; }\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Line3( start, end ) {\n\n\t\tthis.start = ( start !== undefined ) ? start : new Vector3();\n\t\tthis.end = ( end !== undefined ) ? end : new Vector3();\n\n\t}\n\n\tLine3.prototype = {\n\n\t\tconstructor: Line3,\n\n\t\tset: function ( start, end ) {\n\n\t\t\tthis.start.copy( start );\n\t\t\tthis.end.copy( end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( line ) {\n\n\t\t\tthis.start.copy( line.start );\n\t\t\tthis.end.copy( line.end );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetCenter: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t\t},\n\n\t\tdelta: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.subVectors( this.end, this.start );\n\n\t\t},\n\n\t\tdistanceSq: function () {\n\n\t\t\treturn this.start.distanceToSquared( this.end );\n\n\t\t},\n\n\t\tdistance: function () {\n\n\t\t\treturn this.start.distanceTo( this.end );\n\n\t\t},\n\n\t\tat: function ( t, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tclosestPointToPointParameter: function () {\n\n\t\t\tvar startP = new Vector3();\n\t\t\tvar startEnd = new Vector3();\n\n\t\t\treturn function closestPointToPointParameter( point, clampToLine ) {\n\n\t\t\t\tstartP.subVectors( point, this.start );\n\t\t\t\tstartEnd.subVectors( this.end, this.start );\n\n\t\t\t\tvar startEnd2 = startEnd.dot( startEnd );\n\t\t\t\tvar startEnd_startP = startEnd.dot( startP );\n\n\t\t\t\tvar t = startEnd_startP / startEnd2;\n\n\t\t\t\tif ( clampToLine ) {\n\n\t\t\t\t\tt = _Math.clamp( t, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t\treturn t;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tclosestPointToPoint: function ( point, clampToLine, optionalTarget ) {\n\n\t\t\tvar t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\treturn this.delta( result ).multiplyScalar( t ).add( this.start );\n\n\t\t},\n\n\t\tapplyMatrix4: function ( matrix ) {\n\n\t\t\tthis.start.applyMatrix4( matrix );\n\t\t\tthis.end.applyMatrix4( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tequals: function ( line ) {\n\n\t\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Triangle( a, b, c ) {\n\n\t\tthis.a = ( a !== undefined ) ? a : new Vector3();\n\t\tthis.b = ( b !== undefined ) ? b : new Vector3();\n\t\tthis.c = ( c !== undefined ) ? c : new Vector3();\n\n\t}\n\n\tTriangle.normal = function () {\n\n\t\tvar v0 = new Vector3();\n\n\t\treturn function normal( a, b, c, optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tresult.subVectors( c, b );\n\t\t\tv0.subVectors( a, b );\n\t\t\tresult.cross( v0 );\n\n\t\t\tvar resultLengthSq = result.lengthSq();\n\t\t\tif ( resultLengthSq > 0 ) {\n\n\t\t\t\treturn result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );\n\n\t\t\t}\n\n\t\t\treturn result.set( 0, 0, 0 );\n\n\t\t};\n\n\t}();\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tTriangle.barycoordFromPoint = function () {\n\n\t\tvar v0 = new Vector3();\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\n\t\treturn function barycoordFromPoint( point, a, b, c, optionalTarget ) {\n\n\t\t\tv0.subVectors( c, a );\n\t\t\tv1.subVectors( b, a );\n\t\t\tv2.subVectors( point, a );\n\n\t\t\tvar dot00 = v0.dot( v0 );\n\t\t\tvar dot01 = v0.dot( v1 );\n\t\t\tvar dot02 = v0.dot( v2 );\n\t\t\tvar dot11 = v1.dot( v1 );\n\t\t\tvar dot12 = v1.dot( v2 );\n\n\t\t\tvar denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\t// collinear or singular triangle\n\t\t\tif ( denom === 0 ) {\n\n\t\t\t\t// arbitrary location outside of triangle?\n\t\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\t\treturn result.set( - 2, - 1, - 1 );\n\n\t\t\t}\n\n\t\t\tvar invDenom = 1 / denom;\n\t\t\tvar u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\t\tvar v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t\t// barycentric coordinates must always sum to 1\n\t\t\treturn result.set( 1 - u - v, v, u );\n\n\t\t};\n\n\t}();\n\n\tTriangle.containsPoint = function () {\n\n\t\tvar v1 = new Vector3();\n\n\t\treturn function containsPoint( point, a, b, c ) {\n\n\t\t\tvar result = Triangle.barycoordFromPoint( point, a, b, c, v1 );\n\n\t\t\treturn ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );\n\n\t\t};\n\n\t}();\n\n\tTriangle.prototype = {\n\n\t\tconstructor: Triangle,\n\n\t\tset: function ( a, b, c ) {\n\n\t\t\tthis.a.copy( a );\n\t\t\tthis.b.copy( b );\n\t\t\tthis.c.copy( c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromPointsAndIndices: function ( points, i0, i1, i2 ) {\n\n\t\t\tthis.a.copy( points[ i0 ] );\n\t\t\tthis.b.copy( points[ i1 ] );\n\t\t\tthis.c.copy( points[ i2 ] );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( triangle ) {\n\n\t\t\tthis.a.copy( triangle.a );\n\t\t\tthis.b.copy( triangle.b );\n\t\t\tthis.c.copy( triangle.c );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tarea: function () {\n\n\t\t\tvar v0 = new Vector3();\n\t\t\tvar v1 = new Vector3();\n\n\t\t\treturn function area() {\n\n\t\t\t\tv0.subVectors( this.c, this.b );\n\t\t\t\tv1.subVectors( this.a, this.b );\n\n\t\t\t\treturn v0.cross( v1 ).length() * 0.5;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tmidpoint: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\treturn result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t\t},\n\n\t\tnormal: function ( optionalTarget ) {\n\n\t\t\treturn Triangle.normal( this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tplane: function ( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Plane();\n\n\t\t\treturn result.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t\t},\n\n\t\tbarycoordFromPoint: function ( point, optionalTarget ) {\n\n\t\t\treturn Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );\n\n\t\t},\n\n\t\tcontainsPoint: function ( point ) {\n\n\t\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t\t},\n\n\t\tclosestPointToPoint: function () {\n\n\t\t\tvar plane, edgeList, projectedPoint, closestPoint;\n\n\t\t\treturn function closestPointToPoint( point, optionalTarget ) {\n\n\t\t\t\tif ( plane === undefined ) {\n\n\t\t\t\t\tplane = new Plane();\n\t\t\t\t\tedgeList = [ new Line3(), new Line3(), new Line3() ];\n\t\t\t\t\tprojectedPoint = new Vector3();\n\t\t\t\t\tclosestPoint = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tvar result = optionalTarget || new Vector3();\n\t\t\t\tvar minDistance = Infinity;\n\n\t\t\t\t// project the point onto the plane of the triangle\n\n\t\t\t\tplane.setFromCoplanarPoints( this.a, this.b, this.c );\n\t\t\t\tplane.projectPoint( point, projectedPoint );\n\n\t\t\t\t// check if the projection lies within the triangle\n\n\t\t\t\tif( this.containsPoint( projectedPoint ) === true ) {\n\n\t\t\t\t\t// if so, this is the closest point\n\n\t\t\t\t\tresult.copy( projectedPoint );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices\n\n\t\t\t\t\tedgeList[ 0 ].set( this.a, this.b );\n\t\t\t\t\tedgeList[ 1 ].set( this.b, this.c );\n\t\t\t\t\tedgeList[ 2 ].set( this.c, this.a );\n\n\t\t\t\t\tfor( var i = 0; i < edgeList.length; i ++ ) {\n\n\t\t\t\t\t\tedgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );\n\n\t\t\t\t\t\tvar distance = projectedPoint.distanceToSquared( closestPoint );\n\n\t\t\t\t\t\tif( distance < minDistance ) {\n\n\t\t\t\t\t\t\tminDistance = distance;\n\n\t\t\t\t\t\t\tresult.copy( closestPoint );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tequals: function ( triangle ) {\n\n\t\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Face3( a, b, c, normal, color, materialIndex ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t\tthis.normal = (normal && normal.isVector3) ? normal : new Vector3();\n\t\tthis.vertexNormals = Array.isArray( normal ) ? normal : [];\n\n\t\tthis.color = (color && color.isColor) ? color : new Color();\n\t\tthis.vertexColors = Array.isArray( color ) ? color : [];\n\n\t\tthis.materialIndex = materialIndex !== undefined ? materialIndex : 0;\n\n\t}\n\n\tFace3.prototype = {\n\n\t\tconstructor: Face3,\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.a = source.a;\n\t\t\tthis.b = source.b;\n\t\t\tthis.c = source.c;\n\n\t\t\tthis.normal.copy( source.normal );\n\t\t\tthis.color.copy( source.color );\n\n\t\t\tthis.materialIndex = source.materialIndex;\n\n\t\t\tfor ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexNormals[ i ] = source.vertexNormals[ i ].clone();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertexColors[ i ] = source.vertexColors[ i ].clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * shading: THREE.SmoothShading,\n\t * depthTest: ,\n\t * depthWrite: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: \n\t * }\n\t */\n\n\tfunction MeshBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshBasicMaterial.prototype = Object.create( Material.prototype );\n\tMeshBasicMaterial.prototype.constructor = MeshBasicMaterial;\n\n\tMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\n\tMeshBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferAttribute( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tBufferAttribute.prototype = {\n\n\t\tconstructor: BufferAttribute,\n\n\t\tisBufferAttribute: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.itemSize : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.itemSize = source.itemSize;\n\t\t\tthis.count = source.count;\n\t\t\tthis.normalized = source.normalized;\n\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.itemSize;\n\t\t\tindex2 *= attribute.itemSize;\n\n\t\t\tfor ( var i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyArray: function ( array ) {\n\n\t\t\tthis.array.set( array );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyColorsArray: function ( colors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\t\tvar color = colors[ i ];\n\n\t\t\t\tif ( color === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\t\tcolor = new Color();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = color.r;\n\t\t\t\tarray[ offset ++ ] = color.g;\n\t\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyIndicesArray: function ( indices ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tvar index = indices[ i ];\n\n\t\t\t\tarray[ offset ++ ] = index.a;\n\t\t\t\tarray[ offset ++ ] = index.b;\n\t\t\t\tarray[ offset ++ ] = index.c;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector2sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector2();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector3sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector3();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyVector4sArray: function ( vectors ) {\n\n\t\t\tvar array = this.array, offset = 0;\n\n\t\t\tfor ( var i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tvar vector = vectors[ i ];\n\n\t\t\t\tif ( vector === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\t\tvector = new Vector4();\n\n\t\t\t\t}\n\n\t\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize ];\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex *= this.itemSize;\n\n\t\t\tthis.array[ index + 0 ] = x;\n\t\t\tthis.array[ index + 1 ] = y;\n\t\t\tthis.array[ index + 2 ] = z;\n\t\t\tthis.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Int8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint8ClampedArray( array ), itemSize );\n\n\t}\n\n\tfunction Int16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int16Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint16Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint16Array( array ), itemSize );\n\n\t}\n\n\tfunction Int32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Int32Array( array ), itemSize );\n\n\t}\n\n\tfunction Uint32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Uint32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float32Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float32Array( array ), itemSize );\n\n\t}\n\n\tfunction Float64Attribute( array, itemSize ) {\n\n\t\treturn new BufferAttribute( new Float64Array( array ), itemSize );\n\n\t}\n\n\t// Deprecated\n\n\tfunction DynamicBufferAttribute( array, itemSize ) {\n\n\t\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );\n\t\treturn new BufferAttribute( array, itemSize ).setDynamic( true );\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author kile / http://kile.stravaganza.org/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author bhouston / http://clara.io\n\t */\n\n\tfunction Geometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Geometry';\n\n\t\tthis.vertices = [];\n\t\tthis.colors = [];\n\t\tthis.faces = [];\n\t\tthis.faceVertexUvs = [ [] ];\n\n\t\tthis.morphTargets = [];\n\t\tthis.morphNormals = [];\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\tthis.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.elementsNeedUpdate = false;\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.lineDistancesNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( Geometry.prototype, EventDispatcher.prototype, {\n\n\t\tisGeometry: true,\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tfor ( var i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertex.applyMatrix4( matrix );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\t\t\t\tface.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tface.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\tthis.verticesNeedUpdate = true;\n\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tfromBufferGeometry: function ( geometry ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar indices = geometry.index !== null ? geometry.index.array : undefined;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tvar positions = attributes.position.array;\n\t\t\tvar normals = attributes.normal !== undefined ? attributes.normal.array : undefined;\n\t\t\tvar colors = attributes.color !== undefined ? attributes.color.array : undefined;\n\t\t\tvar uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;\n\t\t\tvar uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;\n\n\t\t\tif ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];\n\n\t\t\tvar tempNormals = [];\n\t\t\tvar tempUVs = [];\n\t\t\tvar tempUVs2 = [];\n\n\t\t\tfor ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {\n\n\t\t\t\tscope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );\n\n\t\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\t\ttempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\tscope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\ttempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\ttempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction addFace( a, b, c, materialIndex ) {\n\n\t\t\t\tvar vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];\n\t\t\t\tvar vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];\n\n\t\t\t\tvar face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );\n\n\t\t\t\tscope.faces.push( face );\n\n\t\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( uvs2 !== undefined ) {\n\n\t\t\t\t\tscope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( indices !== undefined ) {\n\n\t\t\t\tvar groups = geometry.groups;\n\n\t\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\t\tfor ( var i = 0; i < groups.length; i ++ ) {\n\n\t\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\taddFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t\t\taddFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( var i = 0; i < positions.length / 3; i += 3 ) {\n\n\t\t\t\t\taddFace( i, i + 1, i + 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tnormalize: function () {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t\tvar center = this.boundingSphere.center;\n\t\t\tvar radius = this.boundingSphere.radius;\n\n\t\t\tvar s = radius === 0 ? 1 : 1.0 / radius;\n\n\t\t\tvar matrix = new Matrix4();\n\t\t\tmatrix.set(\n\t\t\t\ts, 0, 0, - s * center.x,\n\t\t\t\t0, s, 0, - s * center.y,\n\t\t\t\t0, 0, s, - s * center.z,\n\t\t\t\t0, 0, 0, 1\n\t\t\t);\n\n\t\t\tthis.applyMatrix( matrix );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\tfor ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tvar face = this.faces[ f ];\n\n\t\t\t\tvar vA = this.vertices[ face.a ];\n\t\t\t\tvar vB = this.vertices[ face.b ];\n\t\t\t\tvar vC = this.vertices[ face.c ];\n\n\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\tcb.cross( ab );\n\n\t\t\t\tcb.normalize();\n\n\t\t\t\tface.normal.copy( cb );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeVertexNormals: function ( areaWeighted ) {\n\n\t\t\tif ( areaWeighted === undefined ) areaWeighted = true;\n\n\t\t\tvar v, vl, f, fl, face, vertices;\n\n\t\t\tvertices = new Array( this.vertices.length );\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ] = new Vector3();\n\n\t\t\t}\n\n\t\t\tif ( areaWeighted ) {\n\n\t\t\t\t// vertex normals weighted by triangle areas\n\t\t\t\t// http://www.iquilezles.org/www/articles/normals/normals.htm\n\n\t\t\t\tvar vA, vB, vC;\n\t\t\t\tvar cb = new Vector3(), ab = new Vector3();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvA = this.vertices[ face.a ];\n\t\t\t\t\tvB = this.vertices[ face.b ];\n\t\t\t\t\tvC = this.vertices[ face.c ];\n\n\t\t\t\t\tcb.subVectors( vC, vB );\n\t\t\t\t\tab.subVectors( vA, vB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tvertices[ face.a ].add( cb );\n\t\t\t\t\tvertices[ face.b ].add( cb );\n\t\t\t\t\tvertices[ face.c ].add( cb );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.computeFaceNormals();\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tvertices[ face.a ].add( face.normal );\n\t\t\t\t\tvertices[ face.b ].add( face.normal );\n\t\t\t\t\tvertices[ face.c ].add( face.normal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {\n\n\t\t\t\tvertices[ v ].normalize();\n\n\t\t\t}\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( vertices[ face.a ] );\n\t\t\t\t\tvertexNormals[ 1 ].copy( vertices[ face.b ] );\n\t\t\t\t\tvertexNormals[ 2 ].copy( vertices[ face.c ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = vertices[ face.a ].clone();\n\t\t\t\t\tvertexNormals[ 1 ] = vertices[ face.b ].clone();\n\t\t\t\t\tvertexNormals[ 2 ] = vertices[ face.c ].clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeFlatVertexNormals: function () {\n\n\t\t\tvar f, fl, face;\n\n\t\t\tthis.computeFaceNormals();\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tvertexNormals[ 0 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 1 ].copy( face.normal );\n\t\t\t\t\tvertexNormals[ 2 ].copy( face.normal );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvertexNormals[ 0 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 1 ] = face.normal.clone();\n\t\t\t\t\tvertexNormals[ 2 ] = face.normal.clone();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.faces.length > 0 ) {\n\n\t\t\t\tthis.normalsNeedUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeMorphNormals: function () {\n\n\t\t\tvar i, il, f, fl, face;\n\n\t\t\t// save original normals\n\t\t\t// - create temp variables on first access\n\t\t\t// otherwise just copy (for faster repeated calls)\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tif ( ! face.__originalFaceNormal ) {\n\n\t\t\t\t\tface.__originalFaceNormal = face.normal.clone();\n\n\t\t\t\t} else {\n\n\t\t\t\t\tface.__originalFaceNormal.copy( face.normal );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];\n\n\t\t\t\tfor ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {\n\n\t\t\t\t\tif ( ! face.__originalVertexNormals[ i ] ) {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// use temp geometry to compute face and vertex normals for each morph\n\n\t\t\tvar tmpGeo = new Geometry();\n\t\t\ttmpGeo.faces = this.faces;\n\n\t\t\tfor ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\t// create on first access\n\n\t\t\t\tif ( ! this.morphNormals[ i ] ) {\n\n\t\t\t\t\tthis.morphNormals[ i ] = {};\n\t\t\t\t\tthis.morphNormals[ i ].faceNormals = [];\n\t\t\t\t\tthis.morphNormals[ i ].vertexNormals = [];\n\n\t\t\t\t\tvar dstNormalsFace = this.morphNormals[ i ].faceNormals;\n\t\t\t\t\tvar dstNormalsVertex = this.morphNormals[ i ].vertexNormals;\n\n\t\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tfaceNormal = new Vector3();\n\t\t\t\t\t\tvertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };\n\n\t\t\t\t\t\tdstNormalsFace.push( faceNormal );\n\t\t\t\t\t\tdstNormalsVertex.push( vertexNormals );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar morphNormals = this.morphNormals[ i ];\n\n\t\t\t\t// set vertices to morph target\n\n\t\t\t\ttmpGeo.vertices = this.morphTargets[ i ].vertices;\n\n\t\t\t\t// compute morph normals\n\n\t\t\t\ttmpGeo.computeFaceNormals();\n\t\t\t\ttmpGeo.computeVertexNormals();\n\n\t\t\t\t// store morph normals\n\n\t\t\t\tvar faceNormal, vertexNormals;\n\n\t\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\t\tfaceNormal = morphNormals.faceNormals[ f ];\n\t\t\t\t\tvertexNormals = morphNormals.vertexNormals[ f ];\n\n\t\t\t\t\tfaceNormal.copy( face.normal );\n\n\t\t\t\t\tvertexNormals.a.copy( face.vertexNormals[ 0 ] );\n\t\t\t\t\tvertexNormals.b.copy( face.vertexNormals[ 1 ] );\n\t\t\t\t\tvertexNormals.c.copy( face.vertexNormals[ 2 ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// restore original normals\n\n\t\t\tfor ( f = 0, fl = this.faces.length; f < fl; f ++ ) {\n\n\t\t\t\tface = this.faces[ f ];\n\n\t\t\t\tface.normal = face.__originalFaceNormal;\n\t\t\t\tface.vertexNormals = face.__originalVertexNormals;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeTangents: function () {\n\n\t\t\tconsole.warn( 'THREE.Geometry: .computeTangents() has been removed.' );\n\n\t\t},\n\n\t\tcomputeLineDistances: function () {\n\n\t\t\tvar d = 0;\n\t\t\tvar vertices = this.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tif ( i > 0 ) {\n\n\t\t\t\t\td += vertices[ i ].distanceTo( vertices[ i - 1 ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.lineDistances[ i ] = d;\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tthis.boundingBox.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.setFromPoints( this.vertices );\n\n\t\t},\n\n\t\tmerge: function ( geometry, matrix, materialIndexOffset ) {\n\n\t\t\tif ( (geometry && geometry.isGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar normalMatrix,\n\t\t\tvertexOffset = this.vertices.length,\n\t\t\tvertices1 = this.vertices,\n\t\t\tvertices2 = geometry.vertices,\n\t\t\tfaces1 = this.faces,\n\t\t\tfaces2 = geometry.faces,\n\t\t\tuvs1 = this.faceVertexUvs[ 0 ],\n\t\t\tuvs2 = geometry.faceVertexUvs[ 0 ],\n\t\t\tcolors1 = this.colors,\n\t\t\tcolors2 = geometry.colors;\n\n\t\t\tif ( materialIndexOffset === undefined ) materialIndexOffset = 0;\n\n\t\t\tif ( matrix !== undefined ) {\n\n\t\t\t\tnormalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tfor ( var i = 0, il = vertices2.length; i < il; i ++ ) {\n\n\t\t\t\tvar vertex = vertices2[ i ];\n\n\t\t\t\tvar vertexCopy = vertex.clone();\n\n\t\t\t\tif ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );\n\n\t\t\t\tvertices1.push( vertexCopy );\n\n\t\t\t}\n\n\t\t\t// colors\n\n\t\t\tfor ( var i = 0, il = colors2.length; i < il; i ++ ) {\n\n\t\t\t\tcolors1.push( colors2[ i ].clone() );\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tfor ( i = 0, il = faces2.length; i < il; i ++ ) {\n\n\t\t\t\tvar face = faces2[ i ], faceCopy, normal, color,\n\t\t\t\tfaceVertexNormals = face.vertexNormals,\n\t\t\t\tfaceVertexColors = face.vertexColors;\n\n\t\t\t\tfaceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );\n\t\t\t\tfaceCopy.normal.copy( face.normal );\n\n\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\tfaceCopy.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\tnormal = faceVertexNormals[ j ].clone();\n\n\t\t\t\t\tif ( normalMatrix !== undefined ) {\n\n\t\t\t\t\t\tnormal.applyMatrix3( normalMatrix ).normalize();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCopy.vertexNormals.push( normal );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.color.copy( face.color );\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {\n\n\t\t\t\t\tcolor = faceVertexColors[ j ];\n\t\t\t\t\tfaceCopy.vertexColors.push( color.clone() );\n\n\t\t\t\t}\n\n\t\t\t\tfaceCopy.materialIndex = face.materialIndex + materialIndexOffset;\n\n\t\t\t\tfaces1.push( faceCopy );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tfor ( i = 0, il = uvs2.length; i < il; i ++ ) {\n\n\t\t\t\tvar uv = uvs2[ i ], uvCopy = [];\n\n\t\t\t\tif ( uv === undefined ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = uv.length; j < jl; j ++ ) {\n\n\t\t\t\t\tuvCopy.push( uv[ j ].clone() );\n\n\t\t\t\t}\n\n\t\t\t\tuvs1.push( uvCopy );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmergeMesh: function ( mesh ) {\n\n\t\t\tif ( (mesh && mesh.isMesh) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tmesh.matrixAutoUpdate && mesh.updateMatrix();\n\n\t\t\tthis.merge( mesh.geometry, mesh.matrix );\n\n\t\t},\n\n\t\t/*\n\t\t * Checks for duplicate vertices with hashmap.\n\t\t * Duplicated vertices are removed\n\t\t * and faces' vertices are updated.\n\t\t */\n\n\t\tmergeVertices: function () {\n\n\t\t\tvar verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)\n\t\t\tvar unique = [], changes = [];\n\n\t\t\tvar v, key;\n\t\t\tvar precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001\n\t\t\tvar precision = Math.pow( 10, precisionPoints );\n\t\t\tvar i, il, face;\n\t\t\tvar indices, j, jl;\n\n\t\t\tfor ( i = 0, il = this.vertices.length; i < il; i ++ ) {\n\n\t\t\t\tv = this.vertices[ i ];\n\t\t\t\tkey = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );\n\n\t\t\t\tif ( verticesMap[ key ] === undefined ) {\n\n\t\t\t\t\tverticesMap[ key ] = i;\n\t\t\t\t\tunique.push( this.vertices[ i ] );\n\t\t\t\t\tchanges[ i ] = unique.length - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);\n\t\t\t\t\tchanges[ i ] = changes[ verticesMap[ key ] ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// if faces are completely degenerate after merging vertices, we\n\t\t\t// have to remove them from the geometry.\n\t\t\tvar faceIndicesToRemove = [];\n\n\t\t\tfor ( i = 0, il = this.faces.length; i < il; i ++ ) {\n\n\t\t\t\tface = this.faces[ i ];\n\n\t\t\t\tface.a = changes[ face.a ];\n\t\t\t\tface.b = changes[ face.b ];\n\t\t\t\tface.c = changes[ face.c ];\n\n\t\t\t\tindices = [ face.a, face.b, face.c ];\n\n\t\t\t\tvar dupIndex = - 1;\n\n\t\t\t\t// if any duplicate vertices are found in a Face3\n\t\t\t\t// we have to remove the face as nothing can be saved\n\t\t\t\tfor ( var n = 0; n < 3; n ++ ) {\n\n\t\t\t\t\tif ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {\n\n\t\t\t\t\t\tdupIndex = n;\n\t\t\t\t\t\tfaceIndicesToRemove.push( i );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {\n\n\t\t\t\tvar idx = faceIndicesToRemove[ i ];\n\n\t\t\t\tthis.faces.splice( idx, 1 );\n\n\t\t\t\tfor ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ j ].splice( idx, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Use unique set of vertices\n\n\t\t\tvar diff = this.vertices.length - unique.length;\n\t\t\tthis.vertices = unique;\n\t\t\treturn diff;\n\n\t\t},\n\n\t\tsortFacesByMaterialIndex: function () {\n\n\t\t\tvar faces = this.faces;\n\t\t\tvar length = faces.length;\n\n\t\t\t// tag faces\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tfaces[ i ]._id = i;\n\n\t\t\t}\n\n\t\t\t// sort faces\n\n\t\t\tfunction materialIndexSort( a, b ) {\n\n\t\t\t\treturn a.materialIndex - b.materialIndex;\n\n\t\t\t}\n\n\t\t\tfaces.sort( materialIndexSort );\n\n\t\t\t// sort uvs\n\n\t\t\tvar uvs1 = this.faceVertexUvs[ 0 ];\n\t\t\tvar uvs2 = this.faceVertexUvs[ 1 ];\n\n\t\t\tvar newUvs1, newUvs2;\n\n\t\t\tif ( uvs1 && uvs1.length === length ) newUvs1 = [];\n\t\t\tif ( uvs2 && uvs2.length === length ) newUvs2 = [];\n\n\t\t\tfor ( var i = 0; i < length; i ++ ) {\n\n\t\t\t\tvar id = faces[ i ]._id;\n\n\t\t\t\tif ( newUvs1 ) newUvs1.push( uvs1[ id ] );\n\t\t\t\tif ( newUvs2 ) newUvs2.push( uvs2[ id ] );\n\n\t\t\t}\n\n\t\t\tif ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;\n\t\t\tif ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'Geometry',\n\t\t\t\t\tgenerator: 'Geometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard Geometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tvar vertices = [];\n\n\t\t\tfor ( var i = 0; i < this.vertices.length; i ++ ) {\n\n\t\t\t\tvar vertex = this.vertices[ i ];\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t\tvar faces = [];\n\t\t\tvar normals = [];\n\t\t\tvar normalsHash = {};\n\t\t\tvar colors = [];\n\t\t\tvar colorsHash = {};\n\t\t\tvar uvs = [];\n\t\t\tvar uvsHash = {};\n\n\t\t\tfor ( var i = 0; i < this.faces.length; i ++ ) {\n\n\t\t\t\tvar face = this.faces[ i ];\n\n\t\t\t\tvar hasMaterial = true;\n\t\t\t\tvar hasFaceUv = false; // deprecated\n\t\t\t\tvar hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;\n\t\t\t\tvar hasFaceNormal = face.normal.length() > 0;\n\t\t\t\tvar hasFaceVertexNormal = face.vertexNormals.length > 0;\n\t\t\t\tvar hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;\n\t\t\t\tvar hasFaceVertexColor = face.vertexColors.length > 0;\n\n\t\t\t\tvar faceType = 0;\n\n\t\t\t\tfaceType = setBit( faceType, 0, 0 ); // isQuad\n\t\t\t\tfaceType = setBit( faceType, 1, hasMaterial );\n\t\t\t\tfaceType = setBit( faceType, 2, hasFaceUv );\n\t\t\t\tfaceType = setBit( faceType, 3, hasFaceVertexUv );\n\t\t\t\tfaceType = setBit( faceType, 4, hasFaceNormal );\n\t\t\t\tfaceType = setBit( faceType, 5, hasFaceVertexNormal );\n\t\t\t\tfaceType = setBit( faceType, 6, hasFaceColor );\n\t\t\t\tfaceType = setBit( faceType, 7, hasFaceVertexColor );\n\n\t\t\t\tfaces.push( faceType );\n\t\t\t\tfaces.push( face.a, face.b, face.c );\n\t\t\t\tfaces.push( face.materialIndex );\n\n\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\tvar faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 0 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 1 ] ),\n\t\t\t\t\t\tgetUvIndex( faceVertexUvs[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\tfaces.push( getNormalIndex( face.normal ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 0 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 1 ] ),\n\t\t\t\t\t\tgetNormalIndex( vertexNormals[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\tfaces.push( getColorIndex( face.color ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\t\tfaces.push(\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 0 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 1 ] ),\n\t\t\t\t\t\tgetColorIndex( vertexColors[ 2 ] )\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction setBit( value, position, enabled ) {\n\n\t\t\t\treturn enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );\n\n\t\t\t}\n\n\t\t\tfunction getNormalIndex( normal ) {\n\n\t\t\t\tvar hash = normal.x.toString() + normal.y.toString() + normal.z.toString();\n\n\t\t\t\tif ( normalsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tnormalsHash[ hash ] = normals.length / 3;\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\treturn normalsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getColorIndex( color ) {\n\n\t\t\t\tvar hash = color.r.toString() + color.g.toString() + color.b.toString();\n\n\t\t\t\tif ( colorsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tcolorsHash[ hash ] = colors.length;\n\t\t\t\tcolors.push( color.getHex() );\n\n\t\t\t\treturn colorsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tfunction getUvIndex( uv ) {\n\n\t\t\t\tvar hash = uv.x.toString() + uv.y.toString();\n\n\t\t\t\tif ( uvsHash[ hash ] !== undefined ) {\n\n\t\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t\t}\n\n\t\t\t\tuvsHash[ hash ] = uvs.length / 2;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\treturn uvsHash[ hash ];\n\n\t\t\t}\n\n\t\t\tdata.data = {};\n\n\t\t\tdata.data.vertices = vertices;\n\t\t\tdata.data.normals = normals;\n\t\t\tif ( colors.length > 0 ) data.data.colors = colors;\n\t\t\tif ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility\n\t\t\tdata.data.faces = faces;\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new Geometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.vertices = [];\n\t\t\tthis.faces = [];\n\t\t\tthis.faceVertexUvs = [ [] ];\n\t\t\tthis.colors = [];\n\n\t\t\tvar vertices = source.vertices;\n\n\t\t\tfor ( var i = 0, il = vertices.length; i < il; i ++ ) {\n\n\t\t\t\tthis.vertices.push( vertices[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar colors = source.colors;\n\n\t\t\tfor ( var i = 0, il = colors.length; i < il; i ++ ) {\n\n\t\t\t\tthis.colors.push( colors[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tvar faces = source.faces;\n\n\t\t\tfor ( var i = 0, il = faces.length; i < il; i ++ ) {\n\n\t\t\t\tthis.faces.push( faces[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {\n\n\t\t\t\tvar faceVertexUvs = source.faceVertexUvs[ i ];\n\n\t\t\t\tif ( this.faceVertexUvs[ i ] === undefined ) {\n\n\t\t\t\t\tthis.faceVertexUvs[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {\n\n\t\t\t\t\tvar uvs = faceVertexUvs[ j ], uvsCopy = [];\n\n\t\t\t\t\tfor ( var k = 0, kl = uvs.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tvar uv = uvs[ k ];\n\n\t\t\t\t\t\tuvsCopy.push( uv.clone() );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.faceVertexUvs[ i ].push( uvsCopy );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tvar count$3 = 0;\n\tfunction GeometryIdCount() { return count$3++; }\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'DirectGeometry';\n\n\t\tthis.indices = [];\n\t\tthis.vertices = [];\n\t\tthis.normals = [];\n\t\tthis.colors = [];\n\t\tthis.uvs = [];\n\t\tthis.uvs2 = [];\n\n\t\tthis.groups = [];\n\n\t\tthis.morphTargets = {};\n\n\t\tthis.skinWeights = [];\n\t\tthis.skinIndices = [];\n\n\t\t// this.lineDistances = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// update flags\n\n\t\tthis.verticesNeedUpdate = false;\n\t\tthis.normalsNeedUpdate = false;\n\t\tthis.colorsNeedUpdate = false;\n\t\tthis.uvsNeedUpdate = false;\n\t\tthis.groupsNeedUpdate = false;\n\n\t}\n\n\tObject.assign( DirectGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tcomputeBoundingBox: Geometry.prototype.computeBoundingBox,\n\t\tcomputeBoundingSphere: Geometry.prototype.computeBoundingSphere,\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tconsole.warn( 'THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.' );\n\n\t\t},\n\n\t\tcomputeGroups: function ( geometry ) {\n\n\t\t\tvar group;\n\t\t\tvar groups = [];\n\t\t\tvar materialIndex;\n\n\t\t\tvar faces = geometry.faces;\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t// materials\n\n\t\t\t\tif ( face.materialIndex !== materialIndex ) {\n\n\t\t\t\t\tmaterialIndex = face.materialIndex;\n\n\t\t\t\t\tif ( group !== undefined ) {\n\n\t\t\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\t\t\tgroups.push( group );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgroup = {\n\t\t\t\t\t\tstart: i * 3,\n\t\t\t\t\t\tmaterialIndex: materialIndex\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( group !== undefined ) {\n\n\t\t\t\tgroup.count = ( i * 3 ) - group.start;\n\t\t\t\tgroups.push( group );\n\n\t\t\t}\n\n\t\t\tthis.groups = groups;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faceVertexUvs = geometry.faceVertexUvs;\n\n\t\t\tvar hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;\n\t\t\tvar hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;\n\n\t\t\t// morphs\n\n\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\tvar morphTargetsLength = morphTargets.length;\n\n\t\t\tvar morphTargetsPosition;\n\n\t\t\tif ( morphTargetsLength > 0 ) {\n\n\t\t\t\tmorphTargetsPosition = [];\n\n\t\t\t\tfor ( var i = 0; i < morphTargetsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsPosition[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.position = morphTargetsPosition;\n\n\t\t\t}\n\n\t\t\tvar morphNormals = geometry.morphNormals;\n\t\t\tvar morphNormalsLength = morphNormals.length;\n\n\t\t\tvar morphTargetsNormal;\n\n\t\t\tif ( morphNormalsLength > 0 ) {\n\n\t\t\t\tmorphTargetsNormal = [];\n\n\t\t\t\tfor ( var i = 0; i < morphNormalsLength; i ++ ) {\n\n\t\t\t\t\tmorphTargetsNormal[ i ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphTargets.normal = morphTargetsNormal;\n\n\t\t\t}\n\n\t\t\t// skins\n\n\t\t\tvar skinIndices = geometry.skinIndices;\n\t\t\tvar skinWeights = geometry.skinWeights;\n\n\t\t\tvar hasSkinIndices = skinIndices.length === vertices.length;\n\t\t\tvar hasSkinWeights = skinWeights.length === vertices.length;\n\n\t\t\t//\n\n\t\t\tfor ( var i = 0; i < faces.length; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tthis.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );\n\n\t\t\t\tvar vertexNormals = face.vertexNormals;\n\n\t\t\t\tif ( vertexNormals.length === 3 ) {\n\n\t\t\t\t\tthis.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar normal = face.normal;\n\n\t\t\t\t\tthis.normals.push( normal, normal, normal );\n\n\t\t\t\t}\n\n\t\t\t\tvar vertexColors = face.vertexColors;\n\n\t\t\t\tif ( vertexColors.length === 3 ) {\n\n\t\t\t\t\tthis.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar color = face.color;\n\n\t\t\t\t\tthis.colors.push( color, color, color );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 0 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );\n\n\t\t\t\t\t\tthis.uvs.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasFaceVertexUv2 === true ) {\n\n\t\t\t\t\tvar vertexUvs = faceVertexUvs[ 1 ][ i ];\n\n\t\t\t\t\tif ( vertexUvs !== undefined ) {\n\n\t\t\t\t\t\tthis.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );\n\n\t\t\t\t\t\tthis.uvs2.push( new Vector2(), new Vector2(), new Vector2() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// morphs\n\n\t\t\t\tfor ( var j = 0; j < morphTargetsLength; j ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ j ].vertices;\n\n\t\t\t\t\tmorphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var j = 0; j < morphNormalsLength; j ++ ) {\n\n\t\t\t\t\tvar morphNormal = morphNormals[ j ].vertexNormals[ i ];\n\n\t\t\t\t\tmorphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );\n\n\t\t\t\t}\n\n\t\t\t\t// skins\n\n\t\t\t\tif ( hasSkinIndices ) {\n\n\t\t\t\t\tthis.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( hasSkinWeights ) {\n\n\t\t\t\t\tthis.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.computeGroups( geometry );\n\n\t\t\tthis.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\tthis.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\tthis.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\tthis.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\tthis.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometry() {\n\n\t\tObject.defineProperty( this, 'id', { value: GeometryIdCount() } );\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t}\n\n\tObject.assign( BufferGeometry.prototype, EventDispatcher.prototype, {\n\n\t\tisBufferGeometry: true,\n\n\t\tgetIndex: function () {\n\n\t\t\treturn this.index;\n\n\t\t},\n\n\t\tsetIndex: function ( index ) {\n\n\t\t\tthis.index = index;\n\n\t\t},\n\n\t\taddAttribute: function ( name, attribute ) {\n\n\t\t\tif ( (attribute && attribute.isBufferAttribute) === false && (attribute && attribute.isInterleavedBufferAttribute) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\t\t\tthis.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( name === 'index' ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\t\t\tthis.setIndex( attribute );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.attributes[ name ] = attribute;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetAttribute: function ( name ) {\n\n\t\t\treturn this.attributes[ name ];\n\n\t\t},\n\n\t\tremoveAttribute: function ( name ) {\n\n\t\t\tdelete this.attributes[ name ];\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddGroup: function ( start, count, materialIndex ) {\n\n\t\t\tthis.groups.push( {\n\n\t\t\t\tstart: start,\n\t\t\t\tcount: count,\n\t\t\t\tmaterialIndex: materialIndex !== undefined ? materialIndex : 0\n\n\t\t\t} );\n\n\t\t},\n\n\t\tclearGroups: function () {\n\n\t\t\tthis.groups = [];\n\n\t\t},\n\n\t\tsetDrawRange: function ( start, count ) {\n\n\t\t\tthis.drawRange.start = start;\n\t\t\tthis.drawRange.count = count;\n\n\t\t},\n\n\t\tapplyMatrix: function ( matrix ) {\n\n\t\t\tvar position = this.attributes.position;\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tmatrix.applyToVector3Array( position.array );\n\t\t\t\tposition.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tvar normal = this.attributes.normal;\n\n\t\t\tif ( normal !== undefined ) {\n\n\t\t\t\tvar normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\t\tnormalMatrix.applyToVector3Array( normal.array );\n\t\t\t\tnormal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tthis.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tthis.computeBoundingSphere();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\trotateX: function () {\n\n\t\t\t// rotate geometry around world x-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateX( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationX( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateY: function () {\n\n\t\t\t// rotate geometry around world y-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateY( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationY( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\trotateZ: function () {\n\n\t\t\t// rotate geometry around world z-axis\n\n\t\t\tvar m1;\n\n\t\t\treturn function rotateZ( angle ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeRotationZ( angle );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttranslate: function () {\n\n\t\t\t// translate geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function translate( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeTranslation( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tscale: function () {\n\n\t\t\t// scale geometry\n\n\t\t\tvar m1;\n\n\t\t\treturn function scale( x, y, z ) {\n\n\t\t\t\tif ( m1 === undefined ) m1 = new Matrix4();\n\n\t\t\t\tm1.makeScale( x, y, z );\n\n\t\t\t\tthis.applyMatrix( m1 );\n\n\t\t\t\treturn this;\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tlookAt: function () {\n\n\t\t\tvar obj;\n\n\t\t\treturn function lookAt( vector ) {\n\n\t\t\t\tif ( obj === undefined ) obj = new Object3D();\n\n\t\t\t\tobj.lookAt( vector );\n\n\t\t\t\tobj.updateMatrix();\n\n\t\t\t\tthis.applyMatrix( obj.matrix );\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcenter: function () {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t\tvar offset = this.boundingBox.getCenter().negate();\n\n\t\t\tthis.translate( offset.x, offset.y, offset.z );\n\n\t\t\treturn offset;\n\n\t\t},\n\n\t\tsetFromObject: function ( object ) {\n\n\t\t\t// console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isPoints) || (object && object.isLine) ) {\n\n\t\t\t\tvar positions = new Float32Attribute( geometry.vertices.length * 3, 3 );\n\t\t\t\tvar colors = new Float32Attribute( geometry.colors.length * 3, 3 );\n\n\t\t\t\tthis.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );\n\t\t\t\tthis.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );\n\n\t\t\t\tif ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {\n\n\t\t\t\t\tvar lineDistances = new Float32Attribute( geometry.lineDistances.length, 1 );\n\n\t\t\t\t\tthis.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( (object && object.isMesh) ) {\n\n\t\t\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tthis.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateFromObject: function ( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( (object && object.isMesh) ) {\n\n\t\t\t\tvar direct = geometry.__directGeometry;\n\n\t\t\t\tif ( geometry.elementsNeedUpdate === true ) {\n\n\t\t\t\t\tdirect = undefined;\n\t\t\t\t\tgeometry.elementsNeedUpdate = false;\n\n\t\t\t\t}\n\n\t\t\t\tif ( direct === undefined ) {\n\n\t\t\t\t\treturn this.fromGeometry( geometry );\n\n\t\t\t\t}\n\n\t\t\t\tdirect.verticesNeedUpdate = geometry.verticesNeedUpdate;\n\t\t\t\tdirect.normalsNeedUpdate = geometry.normalsNeedUpdate;\n\t\t\t\tdirect.colorsNeedUpdate = geometry.colorsNeedUpdate;\n\t\t\t\tdirect.uvsNeedUpdate = geometry.uvsNeedUpdate;\n\t\t\t\tdirect.groupsNeedUpdate = geometry.groupsNeedUpdate;\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t\tgeometry = direct;\n\n\t\t\t}\n\n\t\t\tvar attribute;\n\n\t\t\tif ( geometry.verticesNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.position;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.vertices );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.verticesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.normalsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.normal;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector3sArray( geometry.normals );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.normalsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.colorsNeedUpdate === true ) {\n\n\t\t\t\tattribute = this.attributes.color;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyColorsArray( geometry.colors );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.colorsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvsNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.uv;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyVector2sArray( geometry.uvs );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uvsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.lineDistancesNeedUpdate ) {\n\n\t\t\t\tattribute = this.attributes.lineDistance;\n\n\t\t\t\tif ( attribute !== undefined ) {\n\n\t\t\t\t\tattribute.copyArray( geometry.lineDistances );\n\t\t\t\t\tattribute.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.lineDistancesNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( geometry.groupsNeedUpdate ) {\n\n\t\t\t\tgeometry.computeGroups( object.geometry );\n\t\t\t\tthis.groups = geometry.groups;\n\n\t\t\t\tgeometry.groupsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tfromGeometry: function ( geometry ) {\n\n\t\t\tgeometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );\n\n\t\t\treturn this.fromDirectGeometry( geometry.__directGeometry );\n\n\t\t},\n\n\t\tfromDirectGeometry: function ( geometry ) {\n\n\t\t\tvar positions = new Float32Array( geometry.vertices.length * 3 );\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );\n\n\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\tvar normals = new Float32Array( geometry.normals.length * 3 );\n\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\tvar colors = new Float32Array( geometry.colors.length * 3 );\n\t\t\t\tthis.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs.length > 0 ) {\n\n\t\t\t\tvar uvs = new Float32Array( geometry.uvs.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.uvs2.length > 0 ) {\n\n\t\t\t\tvar uvs2 = new Float32Array( geometry.uvs2.length * 2 );\n\t\t\t\tthis.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.indices.length > 0 ) {\n\n\t\t\t\tvar TypeArray = geometry.vertices.length > 65535 ? Uint32Array : Uint16Array;\n\t\t\t\tvar indices = new TypeArray( geometry.indices.length * 3 );\n\t\t\t\tthis.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );\n\n\t\t\t}\n\n\t\t\t// groups\n\n\t\t\tthis.groups = geometry.groups;\n\n\t\t\t// morphs\n\n\t\t\tfor ( var name in geometry.morphTargets ) {\n\n\t\t\t\tvar array = [];\n\t\t\t\tvar morphTargets = geometry.morphTargets[ name ];\n\n\t\t\t\tfor ( var i = 0, l = morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar morphTarget = morphTargets[ i ];\n\n\t\t\t\t\tvar attribute = new Float32Attribute( morphTarget.length * 3, 3 );\n\n\t\t\t\t\tarray.push( attribute.copyVector3sArray( morphTarget ) );\n\n\t\t\t\t}\n\n\t\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t\t}\n\n\t\t\t// skinning\n\n\t\t\tif ( geometry.skinIndices.length > 0 ) {\n\n\t\t\t\tvar skinIndices = new Float32Attribute( geometry.skinIndices.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );\n\n\t\t\t}\n\n\t\t\tif ( geometry.skinWeights.length > 0 ) {\n\n\t\t\t\tvar skinWeights = new Float32Attribute( geometry.skinWeights.length * 4, 4 );\n\t\t\t\tthis.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\t\tthis.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t\t}\n\n\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\tthis.boundingBox = geometry.boundingBox.clone();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcomputeBoundingBox: function () {\n\n\t\t\tif ( this.boundingBox === null ) {\n\n\t\t\t\tthis.boundingBox = new Box3();\n\n\t\t\t}\n\n\t\t\tvar positions = this.attributes.position.array;\n\n\t\t\tif ( positions !== undefined ) {\n\n\t\t\t\tthis.boundingBox.setFromArray( positions );\n\n\t\t\t} else {\n\n\t\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t\t}\n\n\t\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t},\n\n\t\tcomputeBoundingSphere: function () {\n\n\t\t\tvar box = new Box3();\n\t\t\tvar vector = new Vector3();\n\n\t\t\treturn function computeBoundingSphere() {\n\n\t\t\t\tif ( this.boundingSphere === null ) {\n\n\t\t\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t\t\t}\n\n\t\t\t\tvar positions = this.attributes.position;\n\n\t\t\t\tif ( positions ) {\n\n\t\t\t\t\tvar array = positions.array;\n\t\t\t\t\tvar center = this.boundingSphere.center;\n\n\t\t\t\t\tbox.setFromArray( array );\n\t\t\t\t\tbox.getCenter( center );\n\n\t\t\t\t\t// hoping to find a boundingSphere with a radius smaller than the\n\t\t\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\t\t\tvar maxRadiusSq = 0;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\t\t\t\tvector.fromArray( array, i );\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\tcomputeFaceNormals: function () {\n\n\t\t\t// backwards compatibility\n\n\t\t},\n\n\t\tcomputeVertexNormals: function () {\n\n\t\t\tvar index = this.index;\n\t\t\tvar attributes = this.attributes;\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( attributes.position ) {\n\n\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\tif ( attributes.normal === undefined ) {\n\n\t\t\t\t\tthis.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// reset existing normals to zero\n\n\t\t\t\t\tvar array = attributes.normal.array;\n\n\t\t\t\t\tfor ( var i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tarray[ i ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar normals = attributes.normal.array;\n\n\t\t\t\tvar vA, vB, vC,\n\n\t\t\t\tpA = new Vector3(),\n\t\t\t\tpB = new Vector3(),\n\t\t\t\tpC = new Vector3(),\n\n\t\t\t\tcb = new Vector3(),\n\t\t\t\tab = new Vector3();\n\n\t\t\t\t// indexed elements\n\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\t\tthis.addGroup( 0, indices.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var j = 0, jl = groups.length; j < jl; ++ j ) {\n\n\t\t\t\t\t\tvar group = groups[ j ];\n\n\t\t\t\t\t\tvar start = group.start;\n\t\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\t\tvA = indices[ i + 0 ] * 3;\n\t\t\t\t\t\t\tvB = indices[ i + 1 ] * 3;\n\t\t\t\t\t\t\tvC = indices[ i + 2 ] * 3;\n\n\t\t\t\t\t\t\tpA.fromArray( positions, vA );\n\t\t\t\t\t\t\tpB.fromArray( positions, vB );\n\t\t\t\t\t\t\tpC.fromArray( positions, vC );\n\n\t\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\t\tnormals[ vA ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vA + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vA + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vB ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vB + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vB + 2 ] += cb.z;\n\n\t\t\t\t\t\t\tnormals[ vC ] += cb.x;\n\t\t\t\t\t\t\tnormals[ vC + 1 ] += cb.y;\n\t\t\t\t\t\t\tnormals[ vC + 2 ] += cb.z;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\t\tfor ( var i = 0, il = positions.length; i < il; i += 9 ) {\n\n\t\t\t\t\t\tpA.fromArray( positions, i );\n\t\t\t\t\t\tpB.fromArray( positions, i + 3 );\n\t\t\t\t\t\tpC.fromArray( positions, i + 6 );\n\n\t\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\t\tnormals[ i ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 1 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 2 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 3 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 4 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 5 ] = cb.z;\n\n\t\t\t\t\t\tnormals[ i + 6 ] = cb.x;\n\t\t\t\t\t\tnormals[ i + 7 ] = cb.y;\n\t\t\t\t\t\tnormals[ i + 8 ] = cb.z;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.normalizeNormals();\n\n\t\t\t\tattributes.normal.needsUpdate = true;\n\n\t\t\t}\n\n\t\t},\n\n\t\tmerge: function ( geometry, offset ) {\n\n\t\t\tif ( (geometry && geometry.isBufferGeometry) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\t\tvar attribute1 = attributes[ key ];\n\t\t\t\tvar attributeArray1 = attribute1.array;\n\n\t\t\t\tvar attribute2 = geometry.attributes[ key ];\n\t\t\t\tvar attributeArray2 = attribute2.array;\n\n\t\t\t\tvar attributeSize = attribute2.itemSize;\n\n\t\t\t\tfor ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {\n\n\t\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tnormalizeNormals: function () {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\n\t\t\tvar x, y, z, n;\n\n\t\t\tfor ( var i = 0, il = normals.length; i < il; i += 3 ) {\n\n\t\t\t\tx = normals[ i ];\n\t\t\t\ty = normals[ i + 1 ];\n\t\t\t\tz = normals[ i + 2 ];\n\n\t\t\t\tn = 1.0 / Math.sqrt( x * x + y * y + z * z );\n\n\t\t\t\tnormals[ i ] *= n;\n\t\t\t\tnormals[ i + 1 ] *= n;\n\t\t\t\tnormals[ i + 2 ] *= n;\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoNonIndexed: function () {\n\n\t\t\tif ( this.index === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t\tvar geometry2 = new BufferGeometry();\n\n\t\t\tvar indices = this.index.array;\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\n\t\t\t\tvar array = attribute.array;\n\t\t\t\tvar itemSize = attribute.itemSize;\n\n\t\t\t\tvar array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\t\tvar index = 0, index2 = 0;\n\n\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t\tfor ( var j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );\n\n\t\t\t}\n\n\t\t\treturn geometry2;\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar data = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.4,\n\t\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// standard BufferGeometry serialization\n\n\t\t\tdata.uuid = this.uuid;\n\t\t\tdata.type = this.type;\n\t\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\t\tif ( this.parameters !== undefined ) {\n\n\t\t\t\tvar parameters = this.parameters;\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t\t}\n\n\t\t\t\treturn data;\n\n\t\t\t}\n\n\t\t\tdata.data = { attributes: {} };\n\n\t\t\tvar index = this.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar array = Array.prototype.slice.call( index.array );\n\n\t\t\t\tdata.data.index = {\n\t\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\t\tarray: array\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar attributes = this.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\n\t\t\t\tvar array = Array.prototype.slice.call( attribute.array );\n\n\t\t\t\tdata.data.attributes[ key ] = {\n\t\t\t\t\titemSize: attribute.itemSize,\n\t\t\t\t\ttype: attribute.array.constructor.name,\n\t\t\t\t\tarray: array,\n\t\t\t\t\tnormalized: attribute.normalized\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tvar groups = this.groups;\n\n\t\t\tif ( groups.length > 0 ) {\n\n\t\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = this.boundingSphere;\n\n\t\t\tif ( boundingSphere !== null ) {\n\n\t\t\t\tdata.data.boundingSphere = {\n\t\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\t\tradius: boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\t/*\n\t\t\t// Handle primitives\n\n\t\t\tvar parameters = this.parameters;\n\n\t\t\tif ( parameters !== undefined ) {\n\n\t\t\t\tvar values = [];\n\n\t\t\t\tfor ( var key in parameters ) {\n\n\t\t\t\t\tvalues.push( parameters[ key ] );\n\n\t\t\t\t}\n\n\t\t\t\tvar geometry = Object.create( this.constructor.prototype );\n\t\t\t\tthis.constructor.apply( geometry, values );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t\treturn new this.constructor().copy( this );\n\t\t\t*/\n\n\t\t\treturn new BufferGeometry().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tvar index = source.index;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tthis.setIndex( index.clone() );\n\n\t\t\t}\n\n\t\t\tvar attributes = source.attributes;\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ name ];\n\t\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t\t}\n\n\t\t\tvar groups = source.groups;\n\n\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tvar group = groups[ i ];\n\t\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdispose: function () {\n\n\t\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\t}\n\n\t} );\n\n\tBufferGeometry.MaxIndex = 65535;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author jonobr1 / http://jonobr1.com/\n\t */\n\n\tfunction Mesh( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t\tthis.drawMode = TrianglesDrawMode;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tMesh.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Mesh,\n\n\t\tisMesh: true,\n\n\t\tsetDrawMode: function ( value ) {\n\n\t\t\tthis.drawMode = value;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.drawMode = source.drawMode;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tupdateMorphTargets: function () {\n\n\t\t\tvar morphTargets = this.geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( var m = 0, ml = morphTargets.length; m < ml; m ++ ) {\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ morphTargets[ m ].name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\tvar vA = new Vector3();\n\t\t\tvar vB = new Vector3();\n\t\t\tvar vC = new Vector3();\n\n\t\t\tvar tempA = new Vector3();\n\t\t\tvar tempB = new Vector3();\n\t\t\tvar tempC = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tvar barycoord = new Vector3();\n\n\t\t\tvar intersectionPoint = new Vector3();\n\t\t\tvar intersectionPointWorld = new Vector3();\n\n\t\t\tfunction uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {\n\n\t\t\t\tTriangle.barycoordFromPoint( point, p1, p2, p3, barycoord );\n\n\t\t\t\tuv1.multiplyScalar( barycoord.x );\n\t\t\t\tuv2.multiplyScalar( barycoord.y );\n\t\t\t\tuv3.multiplyScalar( barycoord.z );\n\n\t\t\t\tuv1.add( uv2 ).add( uv3 );\n\n\t\t\t\treturn uv1.clone();\n\n\t\t\t}\n\n\t\t\tfunction checkIntersection( object, raycaster, ray, pA, pB, pC, point ) {\n\n\t\t\t\tvar intersect;\n\t\t\t\tvar material = object.material;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t\t\t\t}\n\n\t\t\t\tif ( intersect === null ) return null;\n\n\t\t\t\tintersectionPointWorld.copy( point );\n\t\t\t\tintersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\t\t\t\treturn {\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\tpoint: intersectionPointWorld.clone(),\n\t\t\t\t\tobject: object\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tfunction checkBufferGeometryIntersection( object, raycaster, ray, positions, uvs, a, b, c ) {\n\n\t\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\t\tvar intersection = checkIntersection( object, raycaster, ray, vA, vB, vC, intersectionPoint );\n\n\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\t\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\t\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tintersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );\n\t\t\t\t\tintersection.faceIndex = a;\n\n\t\t\t\t}\n\n\t\t\t\treturn intersection;\n\n\t\t\t}\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar material = this.material;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\tif ( material === undefined ) return;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\t// Check boundingBox before continuing\n\n\t\t\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\t\t\tif ( ray.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t\t\t}\n\n\t\t\t\tvar uvs, intersection;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar a, b, c;\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( attributes.uv !== undefined ) {\n\n\t\t\t\t\t\tuvs = attributes.uv.array;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length; i < l; i += 3 ) {\n\n\t\t\t\t\t\t\ta = indices[ i ];\n\t\t\t\t\t\t\tb = indices[ i + 1 ];\n\t\t\t\t\t\t\tc = indices[ i + 2 ];\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length; i < l; i += 9 ) {\n\n\t\t\t\t\t\t\ta = i / 3;\n\t\t\t\t\t\t\tb = a + 1;\n\t\t\t\t\t\t\tc = a + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, raycaster, ray, positions, uvs, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.index = a; // triangle number in positions buffer semantics\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar fvA, fvB, fvC;\n\t\t\t\t\tvar isFaceMaterial = (material && material.isMultiMaterial);\n\t\t\t\t\tvar materials = isFaceMaterial === true ? material.materials : null;\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar faceVertexUvs = geometry.faceVertexUvs[ 0 ];\n\t\t\t\t\tif ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;\n\n\t\t\t\t\tfor ( var f = 0, fl = faces.length; f < fl; f ++ ) {\n\n\t\t\t\t\t\tvar face = faces[ f ];\n\t\t\t\t\t\tvar faceMaterial = isFaceMaterial === true ? materials[ face.materialIndex ] : material;\n\n\t\t\t\t\t\tif ( faceMaterial === undefined ) continue;\n\n\t\t\t\t\t\tfvA = vertices[ face.a ];\n\t\t\t\t\t\tfvB = vertices[ face.b ];\n\t\t\t\t\t\tfvC = vertices[ face.c ];\n\n\t\t\t\t\t\tif ( faceMaterial.morphTargets === true ) {\n\n\t\t\t\t\t\t\tvar morphTargets = geometry.morphTargets;\n\t\t\t\t\t\t\tvar morphInfluences = this.morphTargetInfluences;\n\n\t\t\t\t\t\t\tvA.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvB.set( 0, 0, 0 );\n\t\t\t\t\t\t\tvC.set( 0, 0, 0 );\n\n\t\t\t\t\t\t\tfor ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {\n\n\t\t\t\t\t\t\t\tvar influence = morphInfluences[ t ];\n\n\t\t\t\t\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t\t\t\t\tvar targets = morphTargets[ t ].vertices;\n\n\t\t\t\t\t\t\t\tvA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );\n\t\t\t\t\t\t\t\tvB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );\n\t\t\t\t\t\t\t\tvC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvA.add( fvA );\n\t\t\t\t\t\t\tvB.add( fvB );\n\t\t\t\t\t\t\tvC.add( fvC );\n\n\t\t\t\t\t\t\tfvA = vA;\n\t\t\t\t\t\t\tfvB = vB;\n\t\t\t\t\t\t\tfvC = vC;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tintersection = checkIntersection( this, raycaster, ray, fvA, fvB, fvC, intersectionPoint );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tif ( uvs ) {\n\n\t\t\t\t\t\t\t\tvar uvs_f = uvs[ f ];\n\t\t\t\t\t\t\t\tuvA.copy( uvs_f[ 0 ] );\n\t\t\t\t\t\t\t\tuvB.copy( uvs_f[ 1 ] );\n\t\t\t\t\t\t\t\tuvC.copy( uvs_f[ 2 ] );\n\n\t\t\t\t\t\t\t\tintersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tintersection.face = face;\n\t\t\t\t\t\t\tintersection.faceIndex = f;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'BoxBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tvar scope = this;\n\n\t\t// segments\n\t\twidthSegments = Math.floor( widthSegments ) || 1;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\t\tdepthSegments = Math.floor( depthSegments ) || 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = calculateVertexCount( widthSegments, heightSegments, depthSegments );\n\t\tvar indexCount = calculateIndexCount( widthSegments, heightSegments, depthSegments );\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\t\tvar numberOfVertices = 0;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// build each side of the box geometry\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount( w, h, d ) {\n\n\t\t\tvar vertices = 0;\n\n\t\t\t// calculate the amount of vertices for each side (plane)\n\t\t\tvertices += (w + 1) * (h + 1) * 2; // xy\n\t\t\tvertices += (w + 1) * (d + 1) * 2; // xz\n\t\t\tvertices += (d + 1) * (h + 1) * 2; // zy\n\n\t\t\treturn vertices;\n\n\t\t}\n\n\t\tfunction calculateIndexCount( w, h, d ) {\n\n\t\t\tvar index = 0;\n\n\t\t\t// calculate the amount of squares for each side\n\t\t\tindex += w * h * 2; // xy\n\t\t\tindex += w * d * 2; // xz\n\t\t\tindex += d * h * 2; // zy\n\n\t\t\treturn index * 6; // two triangles per square => six vertices per square\n\n\t\t}\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tvar segmentWidth\t= width / gridX;\n\t\t\tvar segmentHeight = height / gridY;\n\n\t\t\tvar widthHalf = width / 2;\n\t\t\tvar heightHalf = height / 2;\n\t\t\tvar depthHalf = depth / 2;\n\n\t\t\tvar gridX1 = gridX + 1;\n\t\t\tvar gridY1 = gridY + 1;\n\n\t\t\tvar vertexCounter = 0;\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tvar y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tvar x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\t\t\t\t\tvertices[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// set values to correct vector component\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\t\t\t\t\tnormals[ vertexBufferOffset ] = vector.x;\n\t\t\t\t\tnormals[ vertexBufferOffset + 1 ] = vector.y;\n\t\t\t\t\tnormals[ vertexBufferOffset + 2 ] = vector.z;\n\n\t\t\t\t\t// uvs\n\t\t\t\t\tuvs[ uvBufferOffset ] = ix / gridX;\n\t\t\t\t\tuvs[ uvBufferOffset + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\t\tuvBufferOffset += 2;\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\t// indices\n\t\t\t\t\tvar a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tvar b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tvar d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t\t// update offsets and counters\n\t\t\t\t\tindexBufferOffset += 6;\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tBoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tBoxBufferGeometry.prototype.constructor = BoxBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PlaneBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tvar width_half = width / 2;\n\t\tvar height_half = height / 2;\n\n\t\tvar gridX = Math.floor( widthSegments ) || 1;\n\t\tvar gridY = Math.floor( heightSegments ) || 1;\n\n\t\tvar gridX1 = gridX + 1;\n\t\tvar gridY1 = gridY + 1;\n\n\t\tvar segment_width = width / gridX;\n\t\tvar segment_height = height / gridY;\n\n\t\tvar vertices = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar normals = new Float32Array( gridX1 * gridY1 * 3 );\n\t\tvar uvs = new Float32Array( gridX1 * gridY1 * 2 );\n\n\t\tvar offset = 0;\n\t\tvar offset2 = 0;\n\n\t\tfor ( var iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tvar y = iy * segment_height - height_half;\n\n\t\t\tfor ( var ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tvar x = ix * segment_width - width_half;\n\n\t\t\t\tvertices[ offset ] = x;\n\t\t\t\tvertices[ offset + 1 ] = - y;\n\n\t\t\t\tnormals[ offset + 2 ] = 1;\n\n\t\t\t\tuvs[ offset2 ] = ix / gridX;\n\t\t\t\tuvs[ offset2 + 1 ] = 1 - ( iy / gridY );\n\n\t\t\t\toffset += 3;\n\t\t\t\toffset2 += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\toffset = 0;\n\n\t\tvar indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );\n\n\t\tfor ( var iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( var ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tvar a = ix + gridX1 * iy;\n\t\t\t\tvar b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tvar c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tvar d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices[ offset ] = a;\n\t\t\t\tindices[ offset + 1 ] = b;\n\t\t\t\tindices[ offset + 2 ] = d;\n\n\t\t\t\tindices[ offset + 3 ] = b;\n\t\t\t\tindices[ offset + 4 ] = c;\n\t\t\t\tindices[ offset + 5 ] = d;\n\n\t\t\t\toffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tPlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction Camera() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t}\n\n\tCamera.prototype = Object.create( Object3D.prototype );\n\tCamera.prototype.constructor = Camera;\n\n\tCamera.prototype.isCamera = true;\n\n\tCamera.prototype.getWorldDirection = function () {\n\n\t\tvar quaternion = new Quaternion();\n\n\t\treturn function getWorldDirection( optionalTarget ) {\n\n\t\t\tvar result = optionalTarget || new Vector3();\n\n\t\t\tthis.getWorldQuaternion( quaternion );\n\n\t\t\treturn result.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.lookAt = function () {\n\n\t\t// This routine does not support cameras with rotated and/or translated parent(s)\n\n\t\tvar m1 = new Matrix4();\n\n\t\treturn function lookAt( vector ) {\n\n\t\t\tm1.lookAt( this.position, vector, this.up );\n\n\t\t\tthis.quaternion.setFromRotationMatrix( m1 );\n\n\t\t};\n\n\t}();\n\n\tCamera.prototype.clone = function () {\n\n\t\treturn new this.constructor().copy( this );\n\n\t};\n\n\tCamera.prototype.copy = function ( source ) {\n\n\t\tObject3D.prototype.copy.call( this, source );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author greggman / http://games.greggman.com/\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author tschw\n\t */\n\n\tfunction PerspectiveCamera( fov, aspect, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov !== undefined ? fov : 50;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near !== undefined ? near : 0.1;\n\t\tthis.far = far !== undefined ? far : 2000;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect !== undefined ? aspect : 1;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tPerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: PerspectiveCamera,\n\n\t\tisPerspectiveCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.fov = source.fov;\n\t\t\tthis.zoom = source.zoom;\n\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\t\t\tthis.focus = source.focus;\n\n\t\t\tthis.aspect = source.aspect;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\tthis.filmGauge = source.filmGauge;\n\t\t\tthis.filmOffset = source.filmOffset;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t/**\n\t\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t\t *\n\t\t * The default film gauge is 35, so that the focal length can be specified for\n\t\t * a 35mm (full frame) camera.\n\t\t *\n\t\t * Values for focal length and film gauge must have the same unit.\n\t\t */\n\t\tsetFocalLength: function ( focalLength ) {\n\n\t\t\t// see http://www.bobatkins.com/photography/technical/field_of_view.html\n\t\t\tvar vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\t\tthis.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\t/**\n\t\t * Calculates the focal length from the current .fov and .filmGauge.\n\t\t */\n\t\tgetFocalLength: function () {\n\n\t\t\tvar vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );\n\n\t\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t\t},\n\n\t\tgetEffectiveFOV: function () {\n\n\t\t\treturn _Math.RAD2DEG * 2 * Math.atan(\n\t\t\t\t\tMath.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t\t},\n\n\t\tgetFilmWidth: function () {\n\n\t\t\t// film not completely covered in portrait format (aspect < 1)\n\t\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t\t},\n\n\t\tgetFilmHeight: function () {\n\n\t\t\t// film not completely covered in landscape format (aspect > 1)\n\t\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t\t},\n\n\t\t/**\n\t\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t\t * multi-monitor/multi-machine setups.\n\t\t *\n\t\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t\t * the monitors are in grid like this\n\t\t *\n\t\t * +---+---+---+\n\t\t * | A | B | C |\n\t\t * +---+---+---+\n\t\t * | D | E | F |\n\t\t * +---+---+---+\n\t\t *\n\t\t * then for each monitor you would call it like this\n\t\t *\n\t\t * var w = 1920;\n\t\t * var h = 1080;\n\t\t * var fullWidth = w * 3;\n\t\t * var fullHeight = h * 2;\n\t\t *\n\t\t * --A--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t\t * --B--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t\t * --C--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t\t * --D--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t\t * --E--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t\t * --F--\n\t\t * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t\t *\n\t\t * Note there is no reason monitors have to be the same size or in a grid.\n\t\t */\n\t\tsetViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar near = this.near,\n\t\t\t\ttop = near * Math.tan(\n\t\t\t\t\t\t_Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,\n\t\t\t\theight = 2 * top,\n\t\t\t\twidth = this.aspect * height,\n\t\t\t\tleft = - 0.5 * width,\n\t\t\t\tview = this.view;\n\n\t\t\tif ( view !== null ) {\n\n\t\t\t\tvar fullWidth = view.fullWidth,\n\t\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\t\twidth *= view.width / fullWidth;\n\t\t\t\theight *= view.height / fullHeight;\n\n\t\t\t}\n\n\t\t\tvar skew = this.filmOffset;\n\t\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\t\tthis.projectionMatrix.makeFrustum(\n\t\t\t\t\tleft, left + width, top - height, top, near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.fov = this.fov;\n\t\t\tdata.object.zoom = this.zoom;\n\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\t\t\tdata.object.focus = this.focus;\n\n\t\t\tdata.object.aspect = this.aspect;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\tdata.object.filmGauge = this.filmGauge;\n\t\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author arose / http://github.com/arose\n\t */\n\n\tfunction OrthographicCamera( left, right, top, bottom, near, far ) {\n\n\t\tCamera.call( this );\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = ( near !== undefined ) ? near : 0.1;\n\t\tthis.far = ( far !== undefined ) ? far : 2000;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tOrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {\n\n\t\tconstructor: OrthographicCamera,\n\n\t\tisOrthographicCamera: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tCamera.prototype.copy.call( this, source );\n\n\t\t\tthis.left = source.left;\n\t\t\tthis.right = source.right;\n\t\t\tthis.top = source.top;\n\t\t\tthis.bottom = source.bottom;\n\t\t\tthis.near = source.near;\n\t\t\tthis.far = source.far;\n\n\t\t\tthis.zoom = source.zoom;\n\t\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetViewOffset: function( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\t\tthis.view = {\n\t\t\t\tfullWidth: fullWidth,\n\t\t\t\tfullHeight: fullHeight,\n\t\t\t\toffsetX: x,\n\t\t\t\toffsetY: y,\n\t\t\t\twidth: width,\n\t\t\t\theight: height\n\t\t\t};\n\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tclearViewOffset: function() {\n\n\t\t\tthis.view = null;\n\t\t\tthis.updateProjectionMatrix();\n\n\t\t},\n\n\t\tupdateProjectionMatrix: function () {\n\n\t\t\tvar dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\t\tvar dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\t\tvar cx = ( this.right + this.left ) / 2;\n\t\t\tvar cy = ( this.top + this.bottom ) / 2;\n\n\t\t\tvar left = cx - dx;\n\t\t\tvar right = cx + dx;\n\t\t\tvar top = cy + dy;\n\t\t\tvar bottom = cy - dy;\n\n\t\t\tif ( this.view !== null ) {\n\n\t\t\t\tvar zoomW = this.zoom / ( this.view.width / this.view.fullWidth );\n\t\t\t\tvar zoomH = this.zoom / ( this.view.height / this.view.fullHeight );\n\t\t\t\tvar scaleW = ( this.right - this.left ) / this.view.width;\n\t\t\t\tvar scaleH = ( this.top - this.bottom ) / this.view.height;\n\n\t\t\t\tleft += scaleW * ( this.view.offsetX / zoomW );\n\t\t\t\tright = left + scaleW * ( this.view.width / zoomW );\n\t\t\t\ttop -= scaleH * ( this.view.offsetY / zoomH );\n\t\t\t\tbottom = top - scaleH * ( this.view.height / zoomH );\n\n\t\t\t}\n\n\t\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.zoom = this.zoom;\n\t\t\tdata.object.left = this.left;\n\t\t\tdata.object.right = this.right;\n\t\t\tdata.object.top = this.top;\n\t\t\tdata.object.bottom = this.bottom;\n\t\t\tdata.object.near = this.near;\n\t\t\tdata.object.far = this.far;\n\n\t\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tvar type, size;\n\n\t\tfunction setIndex( index ) {\n\n\t\t\tif ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\t\ttype = gl.UNSIGNED_INT;\n\t\t\t\tsize = 4;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\t\t\t\tsize = 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawElements( mode, count, type, start * size );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry, start, count ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\textension.drawElementsInstancedANGLE( mode, count, type, start * size, geometry.maxInstancedCount );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tsetMode: setMode,\n\t\t\tsetIndex: setIndex,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLBufferRenderer( gl, extensions, infoRender ) {\n\n\t\tvar mode;\n\n\t\tfunction setMode( value ) {\n\n\t\t\tmode = value;\n\n\t\t}\n\n\t\tfunction render( start, count ) {\n\n\t\t\tgl.drawArrays( mode, start, count );\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;\n\n\t\t}\n\n\t\tfunction renderInstances( geometry ) {\n\n\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar position = geometry.attributes.position;\n\n\t\t\tvar count = 0;\n\n\t\t\tif ( (position && position.isInterleavedBufferAttribute) ) {\n\n\t\t\t\tcount = position.data.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t} else {\n\n\t\t\t\tcount = position.count;\n\n\t\t\t\textension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );\n\n\t\t\t}\n\n\t\t\tinfoRender.calls ++;\n\t\t\tinfoRender.vertices += count * geometry.maxInstancedCount;\n\n\t\t\tif ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;\n\n\t\t}\n\n\t\treturn {\n\t\t\tsetMode: setMode,\n\t\t\trender: render,\n\t\t\trenderInstances: renderInstances\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLLights() {\n\n\t\tvar lights = {};\n\n\t\treturn {\n\n\t\t\tget: function ( light ) {\n\n\t\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\t\treturn lights[ light.id ];\n\n\t\t\t\t}\n\n\t\t\t\tvar uniforms;\n\n\t\t\t\tswitch ( light.type ) {\n\n\t\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\t\tdecay: 0,\n\n\t\t\t\t\t\t\tshadow: false,\n\t\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\t\tuniforms = {\n\t\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\t\treturn uniforms;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction addLineNumbers( string ) {\n\n\t\tvar lines = string.split( '\\n' );\n\n\t\tfor ( var i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t\t}\n\n\t\treturn lines.join( '\\n' );\n\n\t}\n\n\tfunction WebGLShader( gl, type, string ) {\n\n\t\tvar shader = gl.createShader( type );\n\n\t\tgl.shaderSource( shader, string );\n\t\tgl.compileShader( shader );\n\n\t\tif ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {\n\n\t\t\tconsole.error( 'THREE.WebGLShader: Shader couldn\\'t compile.' );\n\n\t\t}\n\n\t\tif ( gl.getShaderInfoLog( shader ) !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );\n\n\t\t}\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\treturn shader;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar programIdCount = 0;\n\n\tfunction getEncodingComponents( encoding ) {\n\n\t\tswitch ( encoding ) {\n\n\t\t\tcase LinearEncoding:\n\t\t\t\treturn [ 'Linear','( value )' ];\n\t\t\tcase sRGBEncoding:\n\t\t\t\treturn [ 'sRGB','( value )' ];\n\t\t\tcase RGBEEncoding:\n\t\t\t\treturn [ 'RGBE','( value )' ];\n\t\t\tcase RGBM7Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 7.0 )' ];\n\t\t\tcase RGBM16Encoding:\n\t\t\t\treturn [ 'RGBM','( value, 16.0 )' ];\n\t\t\tcase RGBDEncoding:\n\t\t\t\treturn [ 'RGBD','( value, 256.0 )' ];\n\t\t\tcase GammaEncoding:\n\t\t\t\treturn [ 'Gamma','( value, float( GAMMA_FACTOR ) )' ];\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported encoding: ' + encoding );\n\n\t\t}\n\n\t}\n\n\tfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return \" + components[ 0 ] + \"ToLinear\" + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\t\tvar components = getEncodingComponents( encoding );\n\t\treturn \"vec4 \" + functionName + \"( vec4 value ) { return LinearTo\" + components[ 0 ] + components[ 1 ] + \"; }\";\n\n\t}\n\n\tfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\t\tvar toneMappingName;\n\n\t\tswitch ( toneMapping ) {\n\n\t\t\tcase LinearToneMapping:\n\t\t\t\ttoneMappingName = \"Linear\";\n\t\t\t\tbreak;\n\n\t\t\tcase ReinhardToneMapping:\n\t\t\t\ttoneMappingName = \"Reinhard\";\n\t\t\t\tbreak;\n\n\t\t\tcase Uncharted2ToneMapping:\n\t\t\t\ttoneMappingName = \"Uncharted2\";\n\t\t\t\tbreak;\n\n\t\t\tcase CineonToneMapping:\n\t\t\t\ttoneMappingName = \"OptimizedCineon\";\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'unsupported toneMapping: ' + toneMapping );\n\n\t\t}\n\n\t\treturn \"vec3 \" + functionName + \"( vec3 color ) { return \" + toneMappingName + \"ToneMapping( color ); }\";\n\n\t}\n\n\tfunction generateExtensions( extensions, parameters, rendererExtensions ) {\n\n\t\textensions = extensions || {};\n\n\t\tvar chunks = [\n\t\t\t( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t\t( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t\t( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t\t( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : '',\n\t\t];\n\n\t\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tfunction generateDefines( defines ) {\n\n\t\tvar chunks = [];\n\n\t\tfor ( var name in defines ) {\n\n\t\t\tvar value = defines[ name ];\n\n\t\t\tif ( value === false ) continue;\n\n\t\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t\t}\n\n\t\treturn chunks.join( '\\n' );\n\n\t}\n\n\tfunction fetchAttributeLocations( gl, program, identifiers ) {\n\n\t\tvar attributes = {};\n\n\t\tvar n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\t\tfor ( var i = 0; i < n; i ++ ) {\n\n\t\t\tvar info = gl.getActiveAttrib( program, i );\n\t\t\tvar name = info.name;\n\n\t\t\t// console.log(\"THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:\", name, i );\n\n\t\t\tattributes[ name ] = gl.getAttribLocation( program, name );\n\n\t\t}\n\n\t\treturn attributes;\n\n\t}\n\n\tfunction filterEmptyLine( string ) {\n\n\t\treturn string !== '';\n\n\t}\n\n\tfunction replaceLightNums( string, parameters ) {\n\n\t\treturn string\n\t\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );\n\n\t}\n\n\tfunction parseIncludes( string ) {\n\n\t\tvar pattern = /#include +<([\\w\\d.]+)>/g;\n\n\t\tfunction replace( match, include ) {\n\n\t\t\tvar replace = ShaderChunk[ include ];\n\n\t\t\tif ( replace === undefined ) {\n\n\t\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t\t}\n\n\t\t\treturn parseIncludes( replace );\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction unrollLoops( string ) {\n\n\t\tvar pattern = /for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\n\n\t\tfunction replace( match, start, end, snippet ) {\n\n\t\t\tvar unroll = '';\n\n\t\t\tfor ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\t\t\tunroll += snippet.replace( /\\[ i \\]/g, '[ ' + i + ' ]' );\n\n\t\t\t}\n\n\t\t\treturn unroll;\n\n\t\t}\n\n\t\treturn string.replace( pattern, replace );\n\n\t}\n\n\tfunction WebGLProgram( renderer, code, material, parameters ) {\n\n\t\tvar gl = renderer.context;\n\n\t\tvar extensions = material.extensions;\n\t\tvar defines = material.defines;\n\n\t\tvar vertexShader = material.__webglShader.vertexShader;\n\t\tvar fragmentShader = material.__webglShader.fragmentShader;\n\n\t\tvar shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\t\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t\t}\n\n\t\tvar envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\tvar envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\t\tvar envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\n\t\tif ( parameters.envMap ) {\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeReflectionMapping:\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase EquirectangularReflectionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase SphericalReflectionMapping:\n\t\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_SPHERE';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.envMap.mapping ) {\n\n\t\t\t\tcase CubeRefractionMapping:\n\t\t\t\tcase EquirectangularRefractionMapping:\n\t\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tswitch ( material.combine ) {\n\n\t\t\t\tcase MultiplyOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MixOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase AddOperation:\n\t\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\t\t// console.log( 'building new program ' );\n\n\t\t//\n\n\t\tvar customExtensions = generateExtensions( extensions, parameters, renderer.extensions );\n\n\t\tvar customDefines = generateDefines( defines );\n\n\t\t//\n\n\t\tvar program = gl.createProgram();\n\n\t\tvar prefixVertex, prefixFragment;\n\n\t\tif ( material.isRawShaderMaterial ) {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\t\t\t\tcustomDefines,\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t} else {\n\n\t\t\tprefixVertex = [\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t'attribute vec3 position;',\n\t\t\t\t'attribute vec3 normal;',\n\t\t\t\t'attribute vec2 uv;',\n\n\t\t\t\t'#ifdef USE_COLOR',\n\n\t\t\t\t'\tattribute vec3 color;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t\t'\t#else',\n\n\t\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t\t'\t#endif',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t\t'#endif',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t\tprefixFragment = [\n\n\t\t\t\tcustomExtensions,\n\n\t\t\t\t'precision ' + parameters.precision + ' float;',\n\t\t\t\t'precision ' + parameters.precision + ' int;',\n\n\t\t\t\t'#define SHADER_NAME ' + material.__webglShader.name,\n\n\t\t\t\tcustomDefines,\n\n\t\t\t\tparameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',\n\n\t\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t\t( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',\n\n\t\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\n\t\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\t\t'#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,\n\t\t\t\t'#define UNION_CLIPPING_PLANES ' + (parameters.numClippingPlanes - parameters.numClipIntersection),\n\n\t\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\t\tparameters.premultipliedAlpha ? \"#define PREMULTIPLIED_ALPHA\" : '',\n\n\t\t\t\tparameters.physicallyCorrectLights ? \"#define PHYSICALLY_CORRECT_LIGHTS\" : '',\n\n\t\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t\tparameters.logarithmicDepthBuffer && renderer.extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t\tparameters.envMap && renderer.extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t\t'uniform vec3 cameraPosition;',\n\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? \"#define TONE_MAPPING\" : '',\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( \"toneMapping\", parameters.toneMapping ) : '',\n\n\t\t\t\t( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\t\tparameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\t\tparameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\t\tparameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\t\tparameters.outputEncoding ? getTexelEncodingFunction( \"linearToOutputTexel\", parameters.outputEncoding ) : '',\n\n\t\t\t\tparameters.depthPacking ? \"#define DEPTH_PACKING \" + material.depthPacking : '',\n\n\t\t\t\t'\\n'\n\n\t\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\t}\n\n\t\tvertexShader = parseIncludes( vertexShader, parameters );\n\t\tvertexShader = replaceLightNums( vertexShader, parameters );\n\n\t\tfragmentShader = parseIncludes( fragmentShader, parameters );\n\t\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\n\t\tif ( ! material.isShaderMaterial ) {\n\n\t\t\tvertexShader = unrollLoops( vertexShader );\n\t\t\tfragmentShader = unrollLoops( fragmentShader );\n\n\t\t}\n\n\t\tvar vertexGlsl = prefixVertex + vertexShader;\n\t\tvar fragmentGlsl = prefixFragment + fragmentShader;\n\n\t\t// console.log( '*VERTEX*', vertexGlsl );\n\t\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\t\tvar glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\t\tvar glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\t\tgl.attachShader( program, glVertexShader );\n\t\tgl.attachShader( program, glFragmentShader );\n\n\t\t// Force a particular attribute to index 0.\n\n\t\tif ( material.index0AttributeName !== undefined ) {\n\n\t\t\tgl.bindAttribLocation( program, 0, material.index0AttributeName );\n\n\t\t} else if ( parameters.morphTargets === true ) {\n\n\t\t\t// programs with morphTargets displace position out of attribute 0\n\t\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t\t}\n\n\t\tgl.linkProgram( program );\n\n\t\tvar programLog = gl.getProgramInfoLog( program );\n\t\tvar vertexLog = gl.getShaderInfoLog( glVertexShader );\n\t\tvar fragmentLog = gl.getShaderInfoLog( glFragmentShader );\n\n\t\tvar runnable = true;\n\t\tvar haveDiagnostics = true;\n\n\t\t// console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );\n\t\t// console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );\n\n\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconsole.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\t\t\t\tmaterial: material,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t// clean up\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\t// set up caching for uniform locations\n\n\t\tvar cachedUniforms;\n\n\t\tthis.getUniforms = function() {\n\n\t\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t\tcachedUniforms =\n\t\t\t\t\t\tnew WebGLUniforms( gl, program, renderer );\n\n\t\t\t}\n\n\t\t\treturn cachedUniforms;\n\n\t\t};\n\n\t\t// set up caching for attribute locations\n\n\t\tvar cachedAttributes;\n\n\t\tthis.getAttributes = function() {\n\n\t\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t\t}\n\n\t\t\treturn cachedAttributes;\n\n\t\t};\n\n\t\t// free resource\n\n\t\tthis.destroy = function() {\n\n\t\t\tgl.deleteProgram( program );\n\t\t\tthis.program = undefined;\n\n\t\t};\n\n\t\t// DEPRECATED\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tuniforms: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );\n\t\t\t\t\treturn this.getUniforms();\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tattributes: {\n\t\t\t\tget: function() {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );\n\t\t\t\t\treturn this.getAttributes();\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\n\t\t//\n\n\t\tthis.id = programIdCount ++;\n\t\tthis.code = code;\n\t\tthis.usedTimes = 1;\n\t\tthis.program = program;\n\t\tthis.vertexShader = glVertexShader;\n\t\tthis.fragmentShader = glFragmentShader;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLPrograms( renderer, capabilities ) {\n\n\t\tvar programs = [];\n\n\t\tvar shaderIDs = {\n\t\t\tMeshDepthMaterial: 'depth',\n\t\t\tMeshNormalMaterial: 'normal',\n\t\t\tMeshBasicMaterial: 'basic',\n\t\t\tMeshLambertMaterial: 'lambert',\n\t\t\tMeshPhongMaterial: 'phong',\n\t\t\tMeshStandardMaterial: 'physical',\n\t\t\tMeshPhysicalMaterial: 'physical',\n\t\t\tLineBasicMaterial: 'basic',\n\t\t\tLineDashedMaterial: 'dashed',\n\t\t\tPointsMaterial: 'points'\n\t\t};\n\n\t\tvar parameterNames = [\n\t\t\t\"precision\", \"supportsVertexTextures\", \"map\", \"mapEncoding\", \"envMap\", \"envMapMode\", \"envMapEncoding\",\n\t\t\t\"lightMap\", \"aoMap\", \"emissiveMap\", \"emissiveMapEncoding\", \"bumpMap\", \"normalMap\", \"displacementMap\", \"specularMap\",\n\t\t\t\"roughnessMap\", \"metalnessMap\",\n\t\t\t\"alphaMap\", \"combine\", \"vertexColors\", \"fog\", \"useFog\", \"fogExp\",\n\t\t\t\"flatShading\", \"sizeAttenuation\", \"logarithmicDepthBuffer\", \"skinning\",\n\t\t\t\"maxBones\", \"useVertexTexture\", \"morphTargets\", \"morphNormals\",\n\t\t\t\"maxMorphTargets\", \"maxMorphNormals\", \"premultipliedAlpha\",\n\t\t\t\"numDirLights\", \"numPointLights\", \"numSpotLights\", \"numHemiLights\",\n\t\t\t\"shadowMapEnabled\", \"shadowMapType\", \"toneMapping\", 'physicallyCorrectLights',\n\t\t\t\"alphaTest\", \"doubleSided\", \"flipSided\", \"numClippingPlanes\", \"numClipIntersection\", \"depthPacking\"\n\t\t];\n\n\n\t\tfunction allocateBones( object ) {\n\n\t\t\tif ( capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture ) {\n\n\t\t\t\treturn 1024;\n\n\t\t\t} else {\n\n\t\t\t\t// default for when object is not specified\n\t\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t\t//\n\t\t\t\t// - leave some extra space for other uniforms\n\t\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t\t// (up to 54 should be safe)\n\n\t\t\t\tvar nVertexUniforms = capabilities.maxVertexUniforms;\n\t\t\t\tvar nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\t\tvar maxBones = nVertexMatrices;\n\n\t\t\t\tif ( object !== undefined && (object && object.isSkinnedMesh) ) {\n\n\t\t\t\t\tmaxBones = Math.min( object.skeleton.bones.length, maxBones );\n\n\t\t\t\t\tif ( maxBones < object.skeleton.bones.length ) {\n\n\t\t\t\t\t\tconsole.warn( 'WebGLRenderer: too many bones - ' + object.skeleton.bones.length + ', this GPU supports just ' + maxBones + ' (try OpenGL instead of ANGLE)' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn maxBones;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getTextureEncodingFromMap( map, gammaOverrideLinear ) {\n\n\t\t\tvar encoding;\n\n\t\t\tif ( ! map ) {\n\n\t\t\t\tencoding = LinearEncoding;\n\n\t\t\t} else if ( (map && map.isTexture) ) {\n\n\t\t\t\tencoding = map.encoding;\n\n\t\t\t} else if ( (map && map.isWebGLRenderTarget) ) {\n\n\t\t\t\tconsole.warn( \"THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\tencoding = map.texture.encoding;\n\n\t\t\t}\n\n\t\t\t// add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.\n\t\t\tif ( encoding === LinearEncoding && gammaOverrideLinear ) {\n\n\t\t\t\tencoding = GammaEncoding;\n\n\t\t\t}\n\n\t\t\treturn encoding;\n\n\t\t}\n\n\t\tthis.getParameters = function ( material, lights, fog, nClipPlanes, nClipIntersection, object ) {\n\n\t\t\tvar shaderID = shaderIDs[ material.type ];\n\n\t\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t\t// (not to blow over maxLights budget)\n\n\t\t\tvar maxBones = allocateBones( object );\n\t\t\tvar precision = renderer.getPrecision();\n\n\t\t\tif ( material.precision !== null ) {\n\n\t\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar currentRenderTarget = renderer.getCurrentRenderTarget();\n\n\t\t\tvar parameters = {\n\n\t\t\t\tshaderID: shaderID,\n\n\t\t\t\tprecision: precision,\n\t\t\t\tsupportsVertexTextures: capabilities.vertexTextures,\n\t\t\t\toutputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),\n\t\t\t\tmap: !! material.map,\n\t\t\t\tmapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),\n\t\t\t\tenvMap: !! material.envMap,\n\t\t\t\tenvMapMode: material.envMap && material.envMap.mapping,\n\t\t\t\tenvMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),\n\t\t\t\tenvMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\t\tlightMap: !! material.lightMap,\n\t\t\t\taoMap: !! material.aoMap,\n\t\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),\n\t\t\t\tbumpMap: !! material.bumpMap,\n\t\t\t\tnormalMap: !! material.normalMap,\n\t\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\t\tspecularMap: !! material.specularMap,\n\t\t\t\talphaMap: !! material.alphaMap,\n\n\t\t\t\tcombine: material.combine,\n\n\t\t\t\tvertexColors: material.vertexColors,\n\n\t\t\t\tfog: !! fog,\n\t\t\t\tuseFog: material.fog,\n\t\t\t\tfogExp: (fog && fog.isFogExp2),\n\n\t\t\t\tflatShading: material.shading === FlatShading,\n\n\t\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\t\tlogarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,\n\n\t\t\t\tskinning: material.skinning,\n\t\t\t\tmaxBones: maxBones,\n\t\t\t\tuseVertexTexture: capabilities.floatVertexTextures && object && object.skeleton && object.skeleton.useVertexTexture,\n\n\t\t\t\tmorphTargets: material.morphTargets,\n\t\t\t\tmorphNormals: material.morphNormals,\n\t\t\t\tmaxMorphTargets: renderer.maxMorphTargets,\n\t\t\t\tmaxMorphNormals: renderer.maxMorphNormals,\n\n\t\t\t\tnumDirLights: lights.directional.length,\n\t\t\t\tnumPointLights: lights.point.length,\n\t\t\t\tnumSpotLights: lights.spot.length,\n\t\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\t\tnumClippingPlanes: nClipPlanes,\n\t\t\t\tnumClipIntersection: nClipIntersection,\n\n\t\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && lights.shadows.length > 0,\n\t\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\t\ttoneMapping: renderer.toneMapping,\n\t\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\t\talphaTest: material.alphaTest,\n\t\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\t\tflipSided: material.side === BackSide,\n\n\t\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false\n\n\t\t\t};\n\n\t\t\treturn parameters;\n\n\t\t};\n\n\t\tthis.getProgramCode = function ( material, parameters ) {\n\n\t\t\tvar array = [];\n\n\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\tarray.push( parameters.shaderID );\n\n\t\t\t} else {\n\n\t\t\t\tarray.push( material.fragmentShader );\n\t\t\t\tarray.push( material.vertexShader );\n\n\t\t\t}\n\n\t\t\tif ( material.defines !== undefined ) {\n\n\t\t\t\tfor ( var name in material.defines ) {\n\n\t\t\t\t\tarray.push( name );\n\t\t\t\t\tarray.push( material.defines[ name ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\treturn array.join();\n\n\t\t};\n\n\t\tthis.acquireProgram = function ( material, parameters, code ) {\n\n\t\t\tvar program;\n\n\t\t\t// Check if code has been already compiled\n\t\t\tfor ( var p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\t\tvar programInfo = programs[ p ];\n\n\t\t\t\tif ( programInfo.code === code ) {\n\n\t\t\t\t\tprogram = programInfo;\n\t\t\t\t\t++ program.usedTimes;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\tprogram = new WebGLProgram( renderer, code, material, parameters );\n\t\t\t\tprograms.push( program );\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t};\n\n\t\tthis.releaseProgram = function( program ) {\n\n\t\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t\t// Remove from unordered set\n\t\t\t\tvar i = programs.indexOf( program );\n\t\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\t\tprograms.pop();\n\n\t\t\t\t// Free WebGL resources\n\t\t\t\tprogram.destroy();\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tthis.programs = programs;\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLGeometries( gl, properties, info ) {\n\n\t\tvar geometries = {};\n\n\t\tfunction onGeometryDispose( event ) {\n\n\t\t\tvar geometry = event.target;\n\t\t\tvar buffergeometry = geometries[ geometry.id ];\n\n\t\t\tif ( buffergeometry.index !== null ) {\n\n\t\t\t\tdeleteAttribute( buffergeometry.index );\n\n\t\t\t}\n\n\t\t\tdeleteAttributes( buffergeometry.attributes );\n\n\t\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\t\tdelete geometries[ geometry.id ];\n\n\t\t\t// TODO\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe ) {\n\n\t\t\t\tdeleteAttribute( property.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( geometry );\n\n\t\t\tvar bufferproperty = properties.get( buffergeometry );\n\n\t\t\tif ( bufferproperty.wireframe ) {\n\n\t\t\t\tdeleteAttribute( bufferproperty.wireframe );\n\n\t\t\t}\n\n\t\t\tproperties.delete( buffergeometry );\n\n\t\t\t//\n\n\t\t\tinfo.memory.geometries --;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction deleteAttribute( attribute ) {\n\n\t\t\tvar buffer = getAttributeBuffer( attribute );\n\n\t\t\tif ( buffer !== undefined ) {\n\n\t\t\t\tgl.deleteBuffer( buffer );\n\t\t\t\tremoveAttributeBuffer( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction deleteAttributes( attributes ) {\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tdeleteAttribute( attributes[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction removeAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tproperties.delete( attribute.data );\n\n\t\t\t} else {\n\n\t\t\t\tproperties.delete( attribute );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar geometry = object.geometry;\n\n\t\t\t\tif ( geometries[ geometry.id ] !== undefined ) {\n\n\t\t\t\t\treturn geometries[ geometry.id ];\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\t\t\tvar buffergeometry;\n\n\t\t\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t\t\tbuffergeometry = geometry;\n\n\t\t\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\t\t\tif ( geometry._bufferGeometry === undefined ) {\n\n\t\t\t\t\t\tgeometry._bufferGeometry = new BufferGeometry().setFromObject( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbuffergeometry = geometry._bufferGeometry;\n\n\t\t\t\t}\n\n\t\t\t\tgeometries[ geometry.id ] = buffergeometry;\n\n\t\t\t\tinfo.memory.geometries ++;\n\n\t\t\t\treturn buffergeometry;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLObjects( gl, properties, info ) {\n\n\t\tvar geometries = new WebGLGeometries( gl, properties, info );\n\n\t\t//\n\n\t\tfunction update( object ) {\n\n\t\t\t// TODO: Avoid updating twice (when using shadowMap). Maybe add frame counter.\n\n\t\t\tvar geometry = geometries.get( object );\n\n\t\t\tif ( object.geometry.isGeometry ) {\n\n\t\t\t\tgeometry.updateFromObject( object );\n\n\t\t\t}\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tupdateAttribute( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\tfor ( var name in attributes ) {\n\n\t\t\t\tupdateAttribute( attributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\tfor ( var name in morphAttributes ) {\n\n\t\t\t\tvar array = morphAttributes[ name ];\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\t\tupdateAttribute( array[ i ], gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction updateAttribute( attribute, bufferType ) {\n\n\t\t\tvar data = ( attribute.isInterleavedBufferAttribute ) ? attribute.data : attribute;\n\n\t\t\tvar attributeProperties = properties.get( data );\n\n\t\t\tif ( attributeProperties.__webglBuffer === undefined ) {\n\n\t\t\t\tcreateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t} else if ( attributeProperties.version !== data.version ) {\n\n\t\t\t\tupdateBuffer( attributeProperties, data, bufferType );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tattributeProperties.__webglBuffer = gl.createBuffer();\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tvar usage = data.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;\n\n\t\t\tgl.bufferData( bufferType, data.array, usage );\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction updateBuffer( attributeProperties, data, bufferType ) {\n\n\t\t\tgl.bindBuffer( bufferType, attributeProperties.__webglBuffer );\n\n\t\t\tif ( data.dynamic === false ) {\n\n\t\t\t\tgl.bufferData( bufferType, data.array, gl.STATIC_DRAW );\n\n\t\t\t} else if ( data.updateRange.count === - 1 ) {\n\n\t\t\t\t// Not using update ranges\n\n\t\t\t\tgl.bufferSubData( bufferType, 0, data.array );\n\n\t\t\t} else if ( data.updateRange.count === 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, data.updateRange.offset * data.array.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t data.array.subarray( data.updateRange.offset, data.updateRange.offset + data.updateRange.count ) );\n\n\t\t\t\tdata.updateRange.count = 0; // reset range\n\n\t\t\t}\n\n\t\t\tattributeProperties.version = data.version;\n\n\t\t}\n\n\t\tfunction getAttributeBuffer( attribute ) {\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\treturn properties.get( attribute.data ).__webglBuffer;\n\n\t\t\t}\n\n\t\t\treturn properties.get( attribute ).__webglBuffer;\n\n\t\t}\n\n\t\tfunction getWireframeAttribute( geometry ) {\n\n\t\t\tvar property = properties.get( geometry );\n\n\t\t\tif ( property.wireframe !== undefined ) {\n\n\t\t\t\treturn property.wireframe;\n\n\t\t\t}\n\n\t\t\tvar indices = [];\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar attributes = geometry.attributes;\n\t\t\tvar position = attributes.position;\n\n\t\t\t// console.time( 'wireframe' );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tvar edges = {};\n\t\t\t\tvar array = index.array;\n\n\t\t\t\tfor ( var i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = array[ i + 0 ];\n\t\t\t\t\tvar b = array[ i + 1 ];\n\t\t\t\t\tvar c = array[ i + 2 ];\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar array = attributes.position.array;\n\n\t\t\t\tfor ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\t\tvar a = i + 0;\n\t\t\t\t\tvar b = i + 1;\n\t\t\t\t\tvar c = i + 2;\n\n\t\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// console.timeEnd( 'wireframe' );\n\n\t\t\tvar TypeArray = position.count > 65535 ? Uint32Array : Uint16Array;\n\t\t\tvar attribute = new BufferAttribute( new TypeArray( indices ), 1 );\n\n\t\t\tupdateAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t\tproperty.wireframe = attribute;\n\n\t\t\treturn attribute;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tgetAttributeBuffer: getAttributeBuffer,\n\t\t\tgetWireframeAttribute: getWireframeAttribute,\n\n\t\t\tupdate: update\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, info ) {\n\n\t\tvar _infoMemory = info.memory;\n\t\tvar _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof WebGL2RenderingContext );\n\n\t\t//\n\n\t\tfunction clampToMaxSize( image, maxSize ) {\n\n\t\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\t\t// Warning: Scaling through the canvas will only work with images that use\n\t\t\t\t// premultiplied alpha.\n\n\t\t\t\tvar scale = maxSize / Math.max( image.width, image.height );\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = Math.floor( image.width * scale );\n\t\t\t\tcanvas.height = Math.floor( image.height * scale );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction isPowerOfTwo( image ) {\n\n\t\t\treturn _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );\n\n\t\t}\n\n\t\tfunction makePowerOfTwo( image ) {\n\n\t\t\tif ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement ) {\n\n\t\t\t\tvar canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\t\t\tcanvas.width = _Math.nearestPowerOfTwo( image.width );\n\t\t\t\tcanvas.height = _Math.nearestPowerOfTwo( image.height );\n\n\t\t\t\tvar context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );\n\n\t\t\t\treturn canvas;\n\n\t\t\t}\n\n\t\t\treturn image;\n\n\t\t}\n\n\t\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) return true;\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) return true;\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// Fallback filters for non-power-of-2 textures\n\n\t\tfunction filterFallback( f ) {\n\n\t\t\tif ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {\n\n\t\t\t\treturn _gl.NEAREST;\n\n\t\t\t}\n\n\t\t\treturn _gl.LINEAR;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction onTextureDispose( event ) {\n\n\t\t\tvar texture = event.target;\n\n\t\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\t\tdeallocateTexture( texture );\n\n\t\t\t_infoMemory.textures --;\n\n\n\t\t}\n\n\t\tfunction onRenderTargetDispose( event ) {\n\n\t\t\tvar renderTarget = event.target;\n\n\t\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\tdeallocateRenderTarget( renderTarget );\n\n\t\t\t_infoMemory.textures --;\n\n\t\t}\n\n\t\t//\n\n\t\tfunction deallocateTexture( texture ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image && textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__image__webglTextureCube );\n\n\t\t\t} else {\n\n\t\t\t\t// 2D texture\n\n\t\t\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\t// remove all webgl properties\n\t\t\tproperties.delete( texture );\n\n\t\t}\n\n\t\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\tif ( ! renderTarget ) return;\n\n\t\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\t}\n\n\t\t\tif ( (renderTarget && renderTarget.isWebGLRenderTargetCube) ) {\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\n\t\t\t}\n\n\t\t\tproperties.delete( renderTarget.texture );\n\t\t\tproperties.delete( renderTarget );\n\n\t\t}\n\n\t\t//\n\n\n\n\t\tfunction setTexture2D( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\tvar image = texture.image;\n\n\t\t\t\tif ( image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );\n\n\t\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureCube( texture, slot ) {\n\n\t\t\tvar textureProperties = properties.get( texture );\n\n\t\t\tif ( texture.image.length === 6 ) {\n\n\t\t\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\t\t\tif ( ! textureProperties.__image__webglTextureCube ) {\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\ttextureProperties.__image__webglTextureCube = _gl.createTexture();\n\n\t\t\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\n\t\t\t\t\tvar isCompressed = (texture && texture.isCompressedTexture);\n\t\t\t\t\tvar isDataTexture = (texture.image[ 0 ] && texture.image[ 0 ].isDataTexture);\n\n\t\t\t\t\tvar cubeImage = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar image = cubeImage[ 0 ],\n\t\t\t\t\tisPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\tif ( ! isCompressed ) {\n\n\t\t\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar mipmap, mipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\t\t\tfor ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tmipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()\" );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) {\n\n\t\t\t\t\t\t_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setTextureCubeDynamic( texture, slot ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );\n\n\t\t}\n\n\t\tfunction setTextureParameters( textureType, texture, isPowerOfTwoImage ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( isPowerOfTwoImage ) {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );\n\n\t\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );\n\t\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );\n\n\t\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\textension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension ) {\n\n\t\t\t\tif ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;\n\t\t\t\tif ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;\n\n\t\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t_infoMemory.textures ++;\n\n\t\t\t}\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\n\t\t\tvar image = clampToMaxSize( texture.image, capabilities.maxTextureSize );\n\n\t\t\tif ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {\n\n\t\t\t\timage = makePowerOfTwo( image );\n\n\t\t\t}\n\n\t\t\tvar isPowerOfTwoImage = isPowerOfTwo( image ),\n\t\t\tglFormat = paramThreeToGL( texture.format ),\n\t\t\tglType = paramThreeToGL( texture.type );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );\n\n\t\t\tvar mipmap, mipmaps = texture.mipmaps;\n\n\t\t\tif ( (texture && texture.isDepthTexture) ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tvar internalFormat = _gl.DEPTH_COMPONENT;\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tif ( !_isWebGL2 ) throw new Error('Float Depth Texture only supported in WebGL2.0');\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t\t} else if ( _isWebGL2 ) {\n\n\t\t\t\t\t// WebGL 2.0 requires signed internalformat for glTexImage2D\n\t\t\t\t\tinternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t\t}\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.format === DepthStencilFormat ) {\n\n\t\t\t\t\tinternalFormat = _gl.DEPTH_STENCIL;\n\n\t\t\t\t}\n\n\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t} else if ( (texture && texture.isDataTexture) ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( (texture && texture.isCompressedTexture) ) {\n\n\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()\" );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && isPowerOfTwoImage ) {\n\n\t\t\t\t\tfor ( var i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwoImage ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\n\t\t\ttextureProperties.__version = texture.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\t// Render targets\n\n\t\t// Setup storage for target texture and bind it to correct framebuffer\n\t\tfunction setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {\n\n\t\t\tvar glFormat = paramThreeToGL( renderTarget.texture.format );\n\t\t\tvar glType = paramThreeToGL( renderTarget.texture.type );\n\t\t\tstate.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\t\tfunction setupRenderBufferStorage( renderbuffer, renderTarget ) {\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );\n\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t} else {\n\n\t\t\t\t// FIXME: We don't support !depth !stencil\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t}\n\n\t\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\t\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tif ( isCube ) throw new Error('Depth Texture with cube render targets is not supported!');\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( !( (renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture) ) ) {\n\n\t\t\t\tthrow new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');\n\n\t\t\t}\n\n\t\t\t// upload an empty depth texture with framebuffer size\n\t\t\tif ( !properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\t\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\t\t\t}\n\n\t\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\t\tvar webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error('Unknown depthTexture format')\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup GL resources for a non-texture depth buffer\n\t\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\n\t\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\t\tif ( isCube ) throw new Error('target.depthTexture not supported in Cube render targets');\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t}\n\n\t\t// Set up GL resources for the render target\n\t\tfunction setupRenderTarget( renderTarget ) {\n\n\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\n\t\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t_infoMemory.textures ++;\n\n\t\t\tvar isCube = ( (renderTarget && renderTarget.isWebGLRenderTargetCube) );\n\t\t\tvar isTargetPowerOfTwo = isPowerOfTwo( renderTarget );\n\n\t\t\t// Setup framebuffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\t// Setup color buffer\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );\n\n\t\t\t\tfor ( var i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );\n\n\t\t\t\tif ( renderTarget.texture.generateMipmaps && isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, null );\n\n\t\t\t}\n\n\t\t\t// Setup depth and stencil buffers\n\n\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\t\tvar texture = renderTarget.texture;\n\n\t\t\tif ( texture.generateMipmaps && isPowerOfTwo( renderTarget ) &&\n\t\t\t\t\ttexture.minFilter !== NearestFilter &&\n\t\t\t\t\ttexture.minFilter !== LinearFilter ) {\n\n\t\t\t\tvar target = (renderTarget && renderTarget.isWebGLRenderTargetCube) ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;\n\t\t\t\tvar webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\t_gl.generateMipmap( target );\n\t\t\t\tstate.bindTexture( target, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setTexture2D = setTexture2D;\n\t\tthis.setTextureCube = setTextureCube;\n\t\tthis.setTextureCubeDynamic = setTextureCubeDynamic;\n\t\tthis.setupRenderTarget = setupRenderTarget;\n\t\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\n\t}\n\n\t/**\n\t * @author fordacious / fordacious.github.io\n\t */\n\n\tfunction WebGLProperties() {\n\n\t\tvar properties = {};\n\n\t\treturn {\n\n\t\t\tget: function ( object ) {\n\n\t\t\t\tvar uuid = object.uuid;\n\t\t\t\tvar map = properties[ uuid ];\n\n\t\t\t\tif ( map === undefined ) {\n\n\t\t\t\t\tmap = {};\n\t\t\t\t\tproperties[ uuid ] = map;\n\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\n\t\t\t},\n\n\t\t\tdelete: function ( object ) {\n\n\t\t\t\tdelete properties[ object.uuid ];\n\n\t\t\t},\n\n\t\t\tclear: function () {\n\n\t\t\t\tproperties = {};\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLState( gl, extensions, paramThreeToGL ) {\n\n\t\tfunction ColorBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar color = new Vector4();\n\t\t\tvar currentColorMask = null;\n\t\t\tvar currentColorClear = new Vector4();\n\n\t\t\treturn {\n\n\t\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( r, g, b, a ) {\n\n\t\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentColorMask = null;\n\t\t\t\t\tcurrentColorClear.set( 0, 0, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction DepthBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentDepthMask = null;\n\t\t\tvar currentDepthFunc = null;\n\t\t\tvar currentDepthClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentDepthMask = null;\n\t\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction StencilBuffer() {\n\n\t\t\tvar locked = false;\n\n\t\t\tvar currentStencilMask = null;\n\t\t\tvar currentStencilFunc = null;\n\t\t\tvar currentStencilRef = null;\n\t\t\tvar currentStencilFuncMask = null;\n\t\t\tvar currentStencilFail = null;\n\t\t\tvar currentStencilZFail = null;\n\t\t\tvar currentStencilZPass = null;\n\t\t\tvar currentStencilClear = null;\n\n\t\t\treturn {\n\n\t\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t\t currentStencilRef \t!== stencilRef \t||\n\t\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\t\tif ( currentStencilFail\t !== stencilFail \t||\n\t\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\t\tlocked = lock;\n\n\t\t\t\t},\n\n\t\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\treset: function () {\n\n\t\t\t\t\tlocked = false;\n\n\t\t\t\t\tcurrentStencilMask = null;\n\t\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\t\tcurrentStencilRef = null;\n\t\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\t\tcurrentStencilFail = null;\n\t\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\t//\n\n\t\tvar colorBuffer = new ColorBuffer();\n\t\tvar depthBuffer = new DepthBuffer();\n\t\tvar stencilBuffer = new StencilBuffer();\n\n\t\tvar maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar newAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar enabledAttributes = new Uint8Array( maxVertexAttributes );\n\t\tvar attributeDivisors = new Uint8Array( maxVertexAttributes );\n\n\t\tvar capabilities = {};\n\n\t\tvar compressedTextureFormats = null;\n\n\t\tvar currentBlending = null;\n\t\tvar currentBlendEquation = null;\n\t\tvar currentBlendSrc = null;\n\t\tvar currentBlendDst = null;\n\t\tvar currentBlendEquationAlpha = null;\n\t\tvar currentBlendSrcAlpha = null;\n\t\tvar currentBlendDstAlpha = null;\n\t\tvar currentPremultipledAlpha = false;\n\n\t\tvar currentFlipSided = null;\n\t\tvar currentCullFace = null;\n\n\t\tvar currentLineWidth = null;\n\n\t\tvar currentPolygonOffsetFactor = null;\n\t\tvar currentPolygonOffsetUnits = null;\n\n\t\tvar currentScissorTest = null;\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\n\t\tvar currentTextureSlot = null;\n\t\tvar currentBoundTextures = {};\n\n\t\tvar currentScissor = new Vector4();\n\t\tvar currentViewport = new Vector4();\n\n\t\tfunction createTexture( type, target, count ) {\n\n\t\t\tvar data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\t\tvar texture = gl.createTexture();\n\n\t\t\tgl.bindTexture( type, texture );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\t\tfor ( var i = 0; i < count; i ++ ) {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t\tvar emptyTextures = {};\n\t\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\t\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\n\t\t//\n\n\t\tfunction init() {\n\n\t\t\tclearColor( 0, 0, 0, 1 );\n\t\t\tclearDepth( 1 );\n\t\t\tclearStencil( 0 );\n\n\t\t\tenable( gl.DEPTH_TEST );\n\t\t\tsetDepthFunc( LessEqualDepth );\n\n\t\t\tsetFlipSided( false );\n\t\t\tsetCullFace( CullFaceBack );\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tenable( gl.BLEND );\n\t\t\tsetBlending( NormalBlending );\n\n\t\t}\n\n\t\tfunction initAttributes() {\n\n\t\t\tfor ( var i = 0, l = newAttributes.length; i < l; i ++ ) {\n\n\t\t\t\tnewAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttribute( attribute ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== 0 ) {\n\n\t\t\t\tvar extension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, 0 );\n\t\t\t\tattributeDivisors[ attribute ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute, extension ) {\n\n\t\t\tnewAttributes[ attribute ] = 1;\n\n\t\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t\t}\n\n\t\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\t\textension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );\n\t\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disableUnusedAttributes() {\n\n\t\t\tfor ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction enable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== true ) {\n\n\t\t\t\tgl.enable( id );\n\t\t\t\tcapabilities[ id ] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction disable( id ) {\n\n\t\t\tif ( capabilities[ id ] !== false ) {\n\n\t\t\t\tgl.disable( id );\n\t\t\t\tcapabilities[ id ] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getCompressedTextureFormats() {\n\n\t\t\tif ( compressedTextureFormats === null ) {\n\n\t\t\t\tcompressedTextureFormats = [];\n\n\t\t\t\tif ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||\n\t\t\t\t extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {\n\n\t\t\t\t\tvar formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );\n\n\t\t\t\t\tfor ( var i = 0; i < formats.length; i ++ ) {\n\n\t\t\t\t\t\tcompressedTextureFormats.push( formats[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn compressedTextureFormats;\n\n\t\t}\n\n\t\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\t\tif ( blending !== NoBlending ) {\n\n\t\t\t\tenable( gl.BLEND );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.BLEND );\n\n\t\t\t}\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( blending === AdditiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === SubtractiveBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( blending === MultiplyBlending ) {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );\n\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\tif ( blending === CustomBlending ) {\n\n\t\t\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\t\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\t\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\t\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\t\t\tgl.blendEquationSeparate( paramThreeToGL( blendEquation ), paramThreeToGL( blendEquationAlpha ) );\n\n\t\t\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t\t\t}\n\n\t\t\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\t\t\tgl.blendFuncSeparate( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ), paramThreeToGL( blendSrcAlpha ), paramThreeToGL( blendDstAlpha ) );\n\n\t\t\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\t\t\tcurrentBlendDst = blendDst;\n\t\t\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tcurrentBlendEquation = null;\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendEquationAlpha = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction setColorWrite( colorWrite ) {\n\n\t\t\tcolorBuffer.setMask( colorWrite );\n\n\t\t}\n\n\t\tfunction setDepthTest( depthTest ) {\n\n\t\t\tdepthBuffer.setTest( depthTest );\n\n\t\t}\n\n\t\tfunction setDepthWrite( depthWrite ) {\n\n\t\t\tdepthBuffer.setMask( depthWrite );\n\n\t\t}\n\n\t\tfunction setDepthFunc( depthFunc ) {\n\n\t\t\tdepthBuffer.setFunc( depthFunc );\n\n\t\t}\n\n\t\tfunction setStencilTest( stencilTest ) {\n\n\t\t\tstencilBuffer.setTest( stencilTest );\n\n\t\t}\n\n\t\tfunction setStencilWrite( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( stencilWrite );\n\n\t\t}\n\n\t\tfunction setStencilFunc( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\tstencilBuffer.setFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t}\n\n\t\tfunction setStencilOp( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\tstencilBuffer.setOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction setFlipSided( flipSided ) {\n\n\t\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\t\tif ( flipSided ) {\n\n\t\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentFlipSided = flipSided;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setCullFace( cullFace ) {\n\n\t\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\t\tenable( gl.CULL_FACE );\n\n\t\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.CULL_FACE );\n\n\t\t\t}\n\n\t\t\tcurrentCullFace = cullFace;\n\n\t\t}\n\n\t\tfunction setLineWidth( width ) {\n\n\t\t\tif ( width !== currentLineWidth ) {\n\n\t\t\t\tgl.lineWidth( width );\n\n\t\t\t\tcurrentLineWidth = width;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\t\tif ( polygonOffset ) {\n\n\t\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getScissorTest() {\n\n\t\t\treturn currentScissorTest;\n\n\t\t}\n\n\t\tfunction setScissorTest( scissorTest ) {\n\n\t\t\tcurrentScissorTest = scissorTest;\n\n\t\t\tif ( scissorTest ) {\n\n\t\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t\t} else {\n\n\t\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// texture\n\n\t\tfunction activeTexture( webglSlot ) {\n\n\t\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\tactiveTexture();\n\n\t\t\t}\n\n\t\t\tvar boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\t\tif ( boundTexture === undefined ) {\n\n\t\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t\t}\n\n\t\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\t\tboundTexture.type = webglType;\n\t\t\t\tboundTexture.texture = webglTexture;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction compressedTexImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction texImage2D() {\n\n\t\t\ttry {\n\n\t\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tconsole.error( error );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Deprecate\n\n\t\tfunction clearColor( r, g, b, a ) {\n\n\t\t\tcolorBuffer.setClear( r, g, b, a );\n\n\t\t}\n\n\t\tfunction clearDepth( depth ) {\n\n\t\t\tdepthBuffer.setClear( depth );\n\n\t\t}\n\n\t\tfunction clearStencil( stencil ) {\n\n\t\t\tstencilBuffer.setClear( stencil );\n\n\t\t}\n\n\t\t//\n\n\t\tfunction scissor( scissor ) {\n\n\t\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\t\tcurrentScissor.copy( scissor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction viewport( viewport ) {\n\n\t\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\t\tcurrentViewport.copy( viewport );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction reset() {\n\n\t\t\tfor ( var i = 0; i < enabledAttributes.length; i ++ ) {\n\n\t\t\t\tif ( enabledAttributes[ i ] === 1 ) {\n\n\t\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcapabilities = {};\n\n\t\t\tcompressedTextureFormats = null;\n\n\t\t\tcurrentTextureSlot = null;\n\t\t\tcurrentBoundTextures = {};\n\n\t\t\tcurrentBlending = null;\n\n\t\t\tcurrentFlipSided = null;\n\t\t\tcurrentCullFace = null;\n\n\t\t\tcolorBuffer.reset();\n\t\t\tdepthBuffer.reset();\n\t\t\tstencilBuffer.reset();\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tbuffers: {\n\t\t\t\tcolor: colorBuffer,\n\t\t\t\tdepth: depthBuffer,\n\t\t\t\tstencil: stencilBuffer\n\t\t\t},\n\n\t\t\tinit: init,\n\t\t\tinitAttributes: initAttributes,\n\t\t\tenableAttribute: enableAttribute,\n\t\t\tenableAttributeAndDivisor: enableAttributeAndDivisor,\n\t\t\tdisableUnusedAttributes: disableUnusedAttributes,\n\t\t\tenable: enable,\n\t\t\tdisable: disable,\n\t\t\tgetCompressedTextureFormats: getCompressedTextureFormats,\n\n\t\t\tsetBlending: setBlending,\n\n\t\t\tsetColorWrite: setColorWrite,\n\t\t\tsetDepthTest: setDepthTest,\n\t\t\tsetDepthWrite: setDepthWrite,\n\t\t\tsetDepthFunc: setDepthFunc,\n\t\t\tsetStencilTest: setStencilTest,\n\t\t\tsetStencilWrite: setStencilWrite,\n\t\t\tsetStencilFunc: setStencilFunc,\n\t\t\tsetStencilOp: setStencilOp,\n\n\t\t\tsetFlipSided: setFlipSided,\n\t\t\tsetCullFace: setCullFace,\n\n\t\t\tsetLineWidth: setLineWidth,\n\t\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\t\tgetScissorTest: getScissorTest,\n\t\t\tsetScissorTest: setScissorTest,\n\n\t\t\tactiveTexture: activeTexture,\n\t\t\tbindTexture: bindTexture,\n\t\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\t\ttexImage2D: texImage2D,\n\n\t\t\tclearColor: clearColor,\n\t\t\tclearDepth: clearDepth,\n\t\t\tclearStencil: clearStencil,\n\n\t\t\tscissor: scissor,\n\t\t\tviewport: viewport,\n\n\t\t\treset: reset\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\t\tvar maxAnisotropy;\n\n\t\tfunction getMaxAnisotropy() {\n\n\t\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\t\tvar extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t\t} else {\n\n\t\t\t\tmaxAnisotropy = 0;\n\n\t\t\t}\n\n\t\t\treturn maxAnisotropy;\n\n\t\t}\n\n\t\tfunction getMaxPrecision( precision ) {\n\n\t\t\tif ( precision === 'highp' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'highp';\n\n\t\t\t\t}\n\n\t\t\t\tprecision = 'mediump';\n\n\t\t\t}\n\n\t\t\tif ( precision === 'mediump' ) {\n\n\t\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\t gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\t\treturn 'mediump';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn 'lowp';\n\n\t\t}\n\n\t\tvar precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\t\tvar maxPrecision = getMaxPrecision( precision );\n\n\t\tif ( maxPrecision !== precision ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\t\tprecision = maxPrecision;\n\n\t\t}\n\n\t\tvar logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true && !! extensions.get( 'EXT_frag_depth' );\n\n\t\tvar maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\t\tvar maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\t\tvar maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\t\tvar maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\t\tvar maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\t\tvar maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\t\tvar maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\t\tvar vertexTextures = maxVertexTextures > 0;\n\t\tvar floatFragmentTextures = !! extensions.get( 'OES_texture_float' );\n\t\tvar floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\t\treturn {\n\n\t\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\t\tprecision: precision,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tmaxTextures: maxTextures,\n\t\t\tmaxVertexTextures: maxVertexTextures,\n\t\t\tmaxTextureSize: maxTextureSize,\n\t\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\t\tmaxAttributes: maxAttributes,\n\t\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\t\tmaxVaryings: maxVaryings,\n\t\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\t\tvertexTextures: vertexTextures,\n\t\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\t\tfloatVertexTextures: floatVertexTextures\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WebGLExtensions( gl ) {\n\n\t\tvar extensions = {};\n\n\t\treturn {\n\n\t\t\tget: function ( name ) {\n\n\t\t\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\t\t\treturn extensions[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tvar extension;\n\n\t\t\t\tswitch ( name ) {\n\n\t\t\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'WEBGL_compressed_texture_etc1':\n\t\t\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\textension = gl.getExtension( name );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t\t}\n\n\t\t\t\textensions[ name ] = extension;\n\n\t\t\t\treturn extension;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction WebGLClipping() {\n\n\t\tvar scope = this,\n\n\t\t\tglobalState = null,\n\t\t\tnumGlobalPlanes = 0,\n\t\t\tlocalClippingEnabled = false,\n\t\t\trenderingShadows = false,\n\n\t\t\tplane = new Plane(),\n\t\t\tviewNormalMatrix = new Matrix3(),\n\n\t\t\tuniform = { value: null, needsUpdate: false };\n\n\t\tthis.uniform = uniform;\n\t\tthis.numPlanes = 0;\n\t\tthis.numIntersection = 0;\n\n\t\tthis.init = function( planes, enableLocalClipping, camera ) {\n\n\t\t\tvar enabled =\n\t\t\t\tplanes.length !== 0 ||\n\t\t\t\tenableLocalClipping ||\n\t\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t\t// run another frame in order to reset the state:\n\t\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\t\tlocalClippingEnabled;\n\n\t\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\t\tnumGlobalPlanes = planes.length;\n\n\t\t\treturn enabled;\n\n\t\t};\n\n\t\tthis.beginShadows = function() {\n\n\t\t\trenderingShadows = true;\n\t\t\tprojectPlanes( null );\n\n\t\t};\n\n\t\tthis.endShadows = function() {\n\n\t\t\trenderingShadows = false;\n\t\t\tresetGlobalState();\n\n\t\t};\n\n\t\tthis.setState = function( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {\n\n\t\t\tif ( ! localClippingEnabled ||\n\t\t\t\t\tplanes === null || planes.length === 0 ||\n\t\t\t\t\trenderingShadows && ! clipShadows ) {\n\t\t\t\t// there's no local clipping\n\n\t\t\t\tif ( renderingShadows ) {\n\t\t\t\t\t// there's no global clipping\n\n\t\t\t\t\tprojectPlanes( null );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresetGlobalState();\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\t\tlGlobal = nGlobal * 4,\n\n\t\t\t\t\tdstArray = cache.clippingState || null;\n\n\t\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, fromCache );\n\n\t\t\t\tfor ( var i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcache.clippingState = dstArray;\n\t\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\t\tthis.numPlanes += nGlobal;\n\n\t\t\t}\n\n\n\t\t};\n\n\t\tfunction resetGlobalState() {\n\n\t\t\tif ( uniform.value !== globalState ) {\n\n\t\t\t\tuniform.value = globalState;\n\t\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = numGlobalPlanes;\n\t\t\tscope.numIntersection = 0;\n\n\t\t}\n\n\t\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\t\tvar nPlanes = planes !== null ? planes.length : 0,\n\t\t\t\tdstArray = null;\n\n\t\t\tif ( nPlanes !== 0 ) {\n\n\t\t\t\tdstArray = uniform.value;\n\n\t\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\t\tvar flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0, i4 = dstOffset;\n\t\t\t\t\t\t\t\t\t\ti !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\t\tplane.copy( planes[ i ] ).\n\t\t\t\t\t\t\t\tapplyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tuniform.value = dstArray;\n\t\t\t\tuniform.needsUpdate = true;\n\n\t\t\t}\n\n\t\t\tscope.numPlanes = nPlanes;\n\t\t\t\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author supereggbert / http://www.paulbrunt.co.uk/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author szimek / https://github.com/szimek/\n\t * @author tschw\n\t */\n\n\tfunction WebGLRenderer( parameters ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer', REVISION );\n\n\t\tparameters = parameters || {};\n\n\t\tvar _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;\n\n\t\tvar lights = [];\n\n\t\tvar opaqueObjects = [];\n\t\tvar opaqueObjectsLastIndex = - 1;\n\t\tvar transparentObjects = [];\n\t\tvar transparentObjectsLastIndex = - 1;\n\n\t\tvar morphInfluences = new Float32Array( 8 );\n\n\t\tvar sprites = [];\n\t\tvar lensFlares = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = _canvas;\n\t\tthis.context = null;\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\t\tthis.gammaInput = false;\n\t\tthis.gammaOutput = false;\n\n\t\t// physical lights\n\n\t\tthis.physicallyCorrectLights = false;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = LinearToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\t\tthis.toneMappingWhitePoint = 1.0;\n\n\t\t// morphs\n\n\t\tthis.maxMorphTargets = 8;\n\t\tthis.maxMorphNormals = 4;\n\n\t\t// internal properties\n\n\t\tvar _this = this,\n\n\t\t// internal state cache\n\n\t\t_currentProgram = null,\n\t\t_currentRenderTarget = null,\n\t\t_currentFramebuffer = null,\n\t\t_currentMaterialId = - 1,\n\t\t_currentGeometryProgram = '',\n\t\t_currentCamera = null,\n\n\t\t_currentScissor = new Vector4(),\n\t\t_currentScissorTest = null,\n\n\t\t_currentViewport = new Vector4(),\n\n\t\t//\n\n\t\t_usedTextureUnits = 0,\n\n\t\t//\n\n\t\t_clearColor = new Color( 0x000000 ),\n\t\t_clearAlpha = 0,\n\n\t\t_width = _canvas.width,\n\t\t_height = _canvas.height,\n\n\t\t_pixelRatio = 1,\n\n\t\t_scissor = new Vector4( 0, 0, _width, _height ),\n\t\t_scissorTest = false,\n\n\t\t_viewport = new Vector4( 0, 0, _width, _height ),\n\n\t\t// frustum\n\n\t\t_frustum = new Frustum(),\n\n\t\t// clipping\n\n\t\t_clipping = new WebGLClipping(),\n\t\t_clippingEnabled = false,\n\t\t_localClippingEnabled = false,\n\n\t\t_sphere = new Sphere(),\n\n\t\t// camera matrices cache\n\n\t\t_projScreenMatrix = new Matrix4(),\n\n\t\t_vector3 = new Vector3(),\n\n\t\t// light arrays cache\n\n\t\t_lights = {\n\n\t\t\thash: '',\n\n\t\t\tambient: [ 0, 0, 0 ],\n\t\t\tdirectional: [],\n\t\t\tdirectionalShadowMap: [],\n\t\t\tdirectionalShadowMatrix: [],\n\t\t\tspot: [],\n\t\t\tspotShadowMap: [],\n\t\t\tspotShadowMatrix: [],\n\t\t\tpoint: [],\n\t\t\tpointShadowMap: [],\n\t\t\tpointShadowMatrix: [],\n\t\t\themi: [],\n\n\t\t\tshadows: []\n\n\t\t},\n\n\t\t// info\n\n\t\t_infoRender = {\n\n\t\t\tcalls: 0,\n\t\t\tvertices: 0,\n\t\t\tfaces: 0,\n\t\t\tpoints: 0\n\n\t\t};\n\n\t\tthis.info = {\n\n\t\t\trender: _infoRender,\n\t\t\tmemory: {\n\n\t\t\t\tgeometries: 0,\n\t\t\t\ttextures: 0\n\n\t\t\t},\n\t\t\tprograms: null\n\n\t\t};\n\n\n\t\t// initialize\n\n\t\tvar _gl;\n\n\t\ttry {\n\n\t\t\tvar attributes = {\n\t\t\t\talpha: _alpha,\n\t\t\t\tdepth: _depth,\n\t\t\t\tstencil: _stencil,\n\t\t\t\tantialias: _antialias,\n\t\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer\n\t\t\t};\n\n\t\t\t_gl = _context || _canvas.getContext( 'webgl', attributes ) || _canvas.getContext( 'experimental-webgl', attributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( _canvas.getContext( 'webgl' ) !== null ) {\n\n\t\t\t\t\tthrow 'Error creating WebGL context with your selected attributes.';\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow 'Error creating WebGL context.';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error );\n\n\t\t}\n\n\t\tvar extensions = new WebGLExtensions( _gl );\n\n\t\textensions.get( 'WEBGL_depth_texture' );\n\t\textensions.get( 'OES_texture_float' );\n\t\textensions.get( 'OES_texture_float_linear' );\n\t\textensions.get( 'OES_texture_half_float' );\n\t\textensions.get( 'OES_texture_half_float_linear' );\n\t\textensions.get( 'OES_standard_derivatives' );\n\t\textensions.get( 'ANGLE_instanced_arrays' );\n\n\t\tif ( extensions.get( 'OES_element_index_uint' ) ) {\n\n\t\t\tBufferGeometry.MaxIndex = 4294967296;\n\n\t\t}\n\n\t\tvar capabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\tvar state = new WebGLState( _gl, extensions, paramThreeToGL );\n\t\tvar properties = new WebGLProperties();\n\t\tvar textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, paramThreeToGL, this.info );\n\t\tvar objects = new WebGLObjects( _gl, properties, this.info );\n\t\tvar programCache = new WebGLPrograms( this, capabilities );\n\t\tvar lightCache = new WebGLLights();\n\n\t\tthis.info.programs = programCache.programs;\n\n\t\tvar bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );\n\t\tvar indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );\n\n\t\t//\n\n\t\tvar backgroundCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );\n\t\tvar backgroundCamera2 = new PerspectiveCamera();\n\t\tvar backgroundPlaneMesh = new Mesh(\n\t\t\tnew PlaneBufferGeometry( 2, 2 ),\n\t\t\tnew MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )\n\t\t);\n\t\tvar backgroundBoxShader = ShaderLib[ 'cube' ];\n\t\tvar backgroundBoxMesh = new Mesh(\n\t\t\tnew BoxBufferGeometry( 5, 5, 5 ),\n\t\t\tnew ShaderMaterial( {\n\t\t\t\tuniforms: backgroundBoxShader.uniforms,\n\t\t\t\tvertexShader: backgroundBoxShader.vertexShader,\n\t\t\t\tfragmentShader: backgroundBoxShader.fragmentShader,\n\t\t\t\tside: BackSide,\n\t\t\t\tdepthTest: false,\n\t\t\t\tdepthWrite: false,\n\t\t\t\tfog: false\n\t\t\t} )\n\t\t);\n\n\t\t//\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\tfunction glClearColor( r, g, b, a ) {\n\n\t\t\tif ( _premultipliedAlpha === true ) {\n\n\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t}\n\n\t\t\tstate.clearColor( r, g, b, a );\n\n\t\t}\n\n\t\tfunction setDefaultGLState() {\n\n\t\t\tstate.init();\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t}\n\n\t\tfunction resetGLState() {\n\n\t\t\t_currentProgram = null;\n\t\t\t_currentCamera = null;\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\n\t\t\tstate.reset();\n\n\t\t}\n\n\t\tsetDefaultGLState();\n\n\t\tthis.context = _gl;\n\t\tthis.capabilities = capabilities;\n\t\tthis.extensions = extensions;\n\t\tthis.properties = properties;\n\t\tthis.state = state;\n\n\t\t// shadow map\n\n\t\tvar shadowMap = new WebGLShadowMap( this, _lights, objects, capabilities );\n\n\t\tthis.shadowMap = shadowMap;\n\n\n\t\t// Plugins\n\n\t\tvar spritePlugin = new SpritePlugin( this, sprites );\n\t\tvar lensFlarePlugin = new LensFlarePlugin( this, lensFlares );\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\textensions.get( 'WEBGL_lose_context' ).loseContext();\n\n\t\t};\n\n\t\tthis.getMaxAnisotropy = function () {\n\n\t\t\treturn capabilities.getMaxAnisotropy();\n\n\t\t};\n\n\t\tthis.getPrecision = function () {\n\n\t\t\treturn capabilities.precision;\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _viewport.z, _viewport.w, false );\n\n\t\t};\n\n\t\tthis.getSize = function () {\n\n\t\t\treturn {\n\t\t\t\twidth: _width,\n\t\t\t\theight: _height\n\t\t\t};\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_canvas.width = width * _pixelRatio;\n\t\t\t_canvas.height = height * _pixelRatio;\n\n\t\t\tif ( updateStyle !== false ) {\n\n\t\t\t\t_canvas.style.width = width + 'px';\n\t\t\t\t_canvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tstate.viewport( _viewport.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tstate.scissor( _scissor.set( x, y, width, height ) );\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function () {\n\n\t\t\treturn _clearColor;\n\n\t\t};\n\n\t\tthis.setClearColor = function ( color, alpha ) {\n\n\t\t\t_clearColor.set( color );\n\n\t\t\t_clearAlpha = alpha !== undefined ? alpha : 1;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn _clearAlpha;\n\n\t\t};\n\n\t\tthis.setClearAlpha = function ( alpha ) {\n\n\t\t\t_clearAlpha = alpha;\n\n\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t};\n\n\t\tthis.clear = function ( color, depth, stencil ) {\n\n\t\t\tvar bits = 0;\n\n\t\t\tif ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;\n\t\t\tif ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;\n\t\t\tif ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\tthis.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\t\t\tthis.clear( color, depth, stencil );\n\n\t\t};\n\n\t\t// Reset\n\n\t\tthis.resetGLState = resetGLState;\n\n\t\tthis.dispose = function() {\n\n\t\t\ttransparentObjects = [];\n\t\t\ttransparentObjectsLastIndex = -1;\n\t\t\topaqueObjects = [];\n\t\t\topaqueObjectsLastIndex = -1;\n\n\t\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tresetGLState();\n\t\t\tsetDefaultGLState();\n\n\t\t\tproperties.clear();\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tvar material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\tproperties.delete( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReference( material ) {\n\n\t\t\tvar programInfo = properties.get( material ).program;\n\n\t\t\tmaterial.program = undefined;\n\n\t\t\tif ( programInfo !== undefined ) {\n\n\t\t\t\tprogramCache.releaseProgram( programInfo );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferImmediate = function ( object, program, material ) {\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar buffers = properties.get( object );\n\n\t\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( object.hasPositions ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.position );\n\t\t\t\t_gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasNormals ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );\n\n\t\t\t\tif ( ! material.isMeshPhongMaterial &&\n\t\t\t\t ! material.isMeshStandardMaterial &&\n\t\t\t\t material.shading === FlatShading ) {\n\n\t\t\t\t\tfor ( var i = 0, l = object.count * 3; i < l; i += 9 ) {\n\n\t\t\t\t\t\tvar array = object.normalArray;\n\n\t\t\t\t\t\tvar nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;\n\t\t\t\t\t\tvar ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;\n\t\t\t\t\t\tvar nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;\n\n\t\t\t\t\t\tarray[ i + 0 ] = nx;\n\t\t\t\t\t\tarray[ i + 1 ] = ny;\n\t\t\t\t\t\tarray[ i + 2 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 3 ] = nx;\n\t\t\t\t\t\tarray[ i + 4 ] = ny;\n\t\t\t\t\t\tarray[ i + 5 ] = nz;\n\n\t\t\t\t\t\tarray[ i + 6 ] = nx;\n\t\t\t\t\t\tarray[ i + 7 ] = ny;\n\t\t\t\t\t\tarray[ i + 8 ] = nz;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.normal );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasUvs && material.map ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.uv );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( object.hasColors && material.vertexColors !== NoColors ) {\n\n\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );\n\t\t\t\t_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );\n\n\t\t\t\tstate.enableAttribute( attributes.color );\n\n\t\t\t\t_gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t\t_gl.drawArrays( _gl.TRIANGLES, 0, object.count );\n\n\t\t\tobject.count = 0;\n\n\t\t};\n\n\t\tthis.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {\n\n\t\t\tsetMaterial( material );\n\n\t\t\tvar program = setProgram( camera, fog, material, object );\n\n\t\t\tvar updateBuffers = false;\n\t\t\tvar geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;\n\n\t\t\tif ( geometryProgram !== _currentGeometryProgram ) {\n\n\t\t\t\t_currentGeometryProgram = geometryProgram;\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t// morph targets\n\n\t\t\tvar morphTargetInfluences = object.morphTargetInfluences;\n\n\t\t\tif ( morphTargetInfluences !== undefined ) {\n\n\t\t\t\tvar activeInfluences = [];\n\n\t\t\t\tfor ( var i = 0, l = morphTargetInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = morphTargetInfluences[ i ];\n\t\t\t\t\tactiveInfluences.push( [ influence, i ] );\n\n\t\t\t\t}\n\n\t\t\t\tactiveInfluences.sort( absNumericalSort );\n\n\t\t\t\tif ( activeInfluences.length > 8 ) {\n\n\t\t\t\t\tactiveInfluences.length = 8;\n\n\t\t\t\t}\n\n\t\t\t\tvar morphAttributes = geometry.morphAttributes;\n\n\t\t\t\tfor ( var i = 0, l = activeInfluences.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar influence = activeInfluences[ i ];\n\t\t\t\t\tmorphInfluences[ i ] = influence[ 0 ];\n\n\t\t\t\t\tif ( influence[ 0 ] !== 0 ) {\n\n\t\t\t\t\t\tvar index = influence[ 1 ];\n\n\t\t\t\t\t\tif ( material.morphTargets === true && morphAttributes.position ) geometry.addAttribute( 'morphTarget' + i, morphAttributes.position[ index ] );\n\t\t\t\t\t\tif ( material.morphNormals === true && morphAttributes.normal ) geometry.addAttribute( 'morphNormal' + i, morphAttributes.normal[ index ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( material.morphTargets === true ) geometry.removeAttribute( 'morphTarget' + i );\n\t\t\t\t\t\tif ( material.morphNormals === true ) geometry.removeAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = activeInfluences.length, il = morphInfluences.length; i < il; i ++ ) {\n\n\t\t\t\t\tmorphInfluences[ i ] = 0.0;\n\n\t\t\t\t}\n\n\t\t\t\tprogram.getUniforms().setValue(\n\t\t\t\t\t\t_gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar index = geometry.index;\n\t\t\tvar position = geometry.attributes.position;\n\t\t\tvar rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = objects.getWireframeAttribute( geometry );\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\tvar renderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( index );\n\n\t\t\t} else {\n\n\t\t\t\trenderer = bufferRenderer;\n\n\t\t\t}\n\n\t\t\tif ( updateBuffers ) {\n\n\t\t\t\tsetupVertexAttributes( material, program, geometry );\n\n\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, objects.getAttributeBuffer( index ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tvar dataCount = 0;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdataCount = index.count;\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\tdataCount = position.count;\n\n\t\t\t}\n\n\t\t\tvar rangeStart = geometry.drawRange.start * rangeFactor;\n\t\t\tvar rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\t\tvar groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\t\tvar groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\t\tvar drawStart = Math.max( rangeStart, groupStart );\n\t\t\tvar drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\t\tvar drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\t\tif ( drawCount === 0 ) return;\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( object.drawMode ) {\n\n\t\t\t\t\t\tcase TrianglesDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleStripDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_STRIP );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TriangleFanDrawMode:\n\t\t\t\t\t\t\trenderer.setMode( _gl.TRIANGLE_FAN );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tvar lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t}\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tif ( geometry.maxInstancedCount > 0 ) {\n\n\t\t\t\t\trenderer.renderInstances( geometry, drawStart, drawCount );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction setupVertexAttributes( material, program, geometry, startIndex ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( geometry && geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\t\tif ( extension === null ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( startIndex === undefined ) startIndex = 0;\n\n\t\t\tstate.initAttributes();\n\n\t\t\tvar geometryAttributes = geometry.attributes;\n\n\t\t\tvar programAttributes = program.getAttributes();\n\n\t\t\tvar materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\t\tfor ( var name in programAttributes ) {\n\n\t\t\t\tvar programAttribute = programAttributes[ name ];\n\n\t\t\t\tif ( programAttribute >= 0 ) {\n\n\t\t\t\t\tvar geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\t\tvar type = _gl.FLOAT;\n\t\t\t\t\t\tvar array = geometryAttribute.array;\n\t\t\t\t\t\tvar normalized = geometryAttribute.normalized;\n\n\t\t\t\t\t\tif ( array instanceof Float32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.FLOAT;\n\n\t\t\t\t\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\t\t\t\t\tconsole.warn( \"Unsupported data buffer format: Float64Array\" );\n\n\t\t\t\t\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.SHORT;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.INT;\n\n\t\t\t\t\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.BYTE;\n\n\t\t\t\t\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\t\t\t\t\ttype = _gl.UNSIGNED_BYTE;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tvar size = geometryAttribute.itemSize;\n\t\t\t\t\t\tvar buffer = objects.getAttributeBuffer( geometryAttribute );\n\n\t\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\t\tvar data = geometryAttribute.data;\n\t\t\t\t\t\t\tvar stride = data.stride;\n\t\t\t\t\t\t\tvar offset = geometryAttribute.offset;\n\n\t\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * data.array.BYTES_PER_ELEMENT, ( startIndex * stride + offset ) * data.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\t\tstate.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute, extension );\n\n\t\t\t\t\t\t\t\tif ( geometry.maxInstancedCount === undefined ) {\n\n\t\t\t\t\t\t\t\t\tgeometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.enableAttribute( programAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );\n\t\t\t\t\t\t\t_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * geometryAttribute.array.BYTES_PER_ELEMENT );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\t\tvar value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib2fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib3fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib4fv( programAttribute, value );\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t_gl.vertexAttrib1fv( programAttribute, value );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.disableUnusedAttributes();\n\n\t\t}\n\n\t\t// Sorting\n\n\t\tfunction absNumericalSort( a, b ) {\n\n\t\t\treturn Math.abs( b[ 0 ] ) - Math.abs( a[ 0 ] );\n\n\t\t}\n\n\t\tfunction painterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} else if ( a.material.program && b.material.program && a.material.program !== b.material.program ) {\n\n\t\t\t\treturn a.material.program.id - b.material.program.id;\n\n\t\t\t} else if ( a.material.id !== b.material.id ) {\n\n\t\t\t\treturn a.material.id - b.material.id;\n\n\t\t\t} else if ( a.z !== b.z ) {\n\n\t\t\t\treturn a.z - b.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction reversePainterSortStable( a, b ) {\n\n\t\t\tif ( a.object.renderOrder !== b.object.renderOrder ) {\n\n\t\t\t\treturn a.object.renderOrder - b.object.renderOrder;\n\n\t\t\t} if ( a.z !== b.z ) {\n\n\t\t\t\treturn b.z - a.z;\n\n\t\t\t} else {\n\n\t\t\t\treturn a.id - b.id;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera, renderTarget, forceClear ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// reset caching for this frame\n\n\t\t\t_currentGeometryProgram = '';\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\t\tcamera.matrixWorldInverse.getInverse( camera.matrixWorld );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromMatrix( _projScreenMatrix );\n\n\t\t\tlights.length = 0;\n\n\t\t\topaqueObjectsLastIndex = - 1;\n\t\t\ttransparentObjectsLastIndex = - 1;\n\n\t\t\tsprites.length = 0;\n\t\t\tlensFlares.length = 0;\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\t\tprojectObject( scene, camera );\n\n\t\t\topaqueObjects.length = opaqueObjectsLastIndex + 1;\n\t\t\ttransparentObjects.length = transparentObjectsLastIndex + 1;\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\topaqueObjects.sort( painterSortStable );\n\t\t\t\ttransparentObjects.sort( reversePainterSortStable );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _clippingEnabled ) _clipping.beginShadows();\n\n\t\t\tsetupShadows( lights );\n\n\t\t\tshadowMap.render( scene, camera );\n\n\t\t\tsetupLights( lights, camera );\n\n\t\t\tif ( _clippingEnabled ) _clipping.endShadows();\n\n\t\t\t//\n\n\t\t\t_infoRender.calls = 0;\n\t\t\t_infoRender.vertices = 0;\n\t\t\t_infoRender.faces = 0;\n\t\t\t_infoRender.points = 0;\n\n\t\t\tif ( renderTarget === undefined ) {\n\n\t\t\t\trenderTarget = null;\n\n\t\t\t}\n\n\t\t\tthis.setRenderTarget( renderTarget );\n\n\t\t\t//\n\n\t\t\tvar background = scene.background;\n\n\t\t\tif ( background === null ) {\n\n\t\t\t\tglClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );\n\n\t\t\t} else if ( background && background.isColor ) {\n\n\t\t\t\tglClearColor( background.r, background.g, background.b, 1 );\n\t\t\t\tforceClear = true;\n\n\t\t\t}\n\n\t\t\tif ( this.autoClear || forceClear ) {\n\n\t\t\t\tthis.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );\n\n\t\t\t}\n\n\t\t\tif ( background && background.isCubeTexture ) {\n\n\t\t\t\tbackgroundCamera2.projectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\tbackgroundCamera2.matrixWorld.extractRotation( camera.matrixWorld );\n\t\t\t\tbackgroundCamera2.matrixWorldInverse.getInverse( backgroundCamera2.matrixWorld );\n\n\t\t\t\tbackgroundBoxMesh.material.uniforms[ \"tCube\" ].value = background;\n\t\t\t\tbackgroundBoxMesh.modelViewMatrix.multiplyMatrices( backgroundCamera2.matrixWorldInverse, backgroundBoxMesh.matrixWorld );\n\n\t\t\t\tobjects.update( backgroundBoxMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera2, null, backgroundBoxMesh.geometry, backgroundBoxMesh.material, backgroundBoxMesh, null );\n\n\t\t\t} else if ( background && background.isTexture ) {\n\n\t\t\t\tbackgroundPlaneMesh.material.map = background;\n\n\t\t\t\tobjects.update( backgroundPlaneMesh );\n\n\t\t\t\t_this.renderBufferDirect( backgroundCamera, null, backgroundPlaneMesh.geometry, backgroundPlaneMesh.material, backgroundPlaneMesh, null );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.overrideMaterial ) {\n\n\t\t\t\tvar overrideMaterial = scene.overrideMaterial;\n\n\t\t\t\trenderObjects( opaqueObjects, scene, camera, overrideMaterial );\n\t\t\t\trenderObjects( transparentObjects, scene, camera, overrideMaterial );\n\n\t\t\t} else {\n\n\t\t\t\t// opaque pass (front-to-back order)\n\n\t\t\t\tstate.setBlending( NoBlending );\n\t\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\t\t// transparent pass (back-to-front order)\n\n\t\t\t\trenderObjects( transparentObjects, scene, camera );\n\n\t\t\t}\n\n\t\t\t// custom render plugins (post pass)\n\n\t\t\tspritePlugin.render( scene, camera );\n\t\t\tlensFlarePlugin.render( scene, camera, _currentViewport );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\ttextures.updateRenderTargetMipmap( renderTarget );\n\n\t\t\t}\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.setDepthTest( true );\n\t\t\tstate.setDepthWrite( true );\n\t\t\tstate.setColorWrite( true );\n\n\t\t\t// _gl.finish();\n\n\t\t};\n\n\t\tfunction pushRenderItem( object, geometry, material, z, group ) {\n\n\t\t\tvar array, index;\n\n\t\t\t// allocate the next position in the appropriate array\n\n\t\t\tif ( material.transparent ) {\n\n\t\t\t\tarray = transparentObjects;\n\t\t\t\tindex = ++ transparentObjectsLastIndex;\n\n\t\t\t} else {\n\n\t\t\t\tarray = opaqueObjects;\n\t\t\t\tindex = ++ opaqueObjectsLastIndex;\n\n\t\t\t}\n\n\t\t\t// recycle existing render item or grow the array\n\n\t\t\tvar renderItem = array[ index ];\n\n\t\t\tif ( renderItem !== undefined ) {\n\n\t\t\t\trenderItem.id = object.id;\n\t\t\t\trenderItem.object = object;\n\t\t\t\trenderItem.geometry = geometry;\n\t\t\t\trenderItem.material = material;\n\t\t\t\trenderItem.z = _vector3.z;\n\t\t\t\trenderItem.group = group;\n\n\t\t\t} else {\n\n\t\t\t\trenderItem = {\n\t\t\t\t\tid: object.id,\n\t\t\t\t\tobject: object,\n\t\t\t\t\tgeometry: geometry,\n\t\t\t\t\tmaterial: material,\n\t\t\t\t\tz: _vector3.z,\n\t\t\t\t\tgroup: group\n\t\t\t\t};\n\n\t\t\t\t// assert( index === array.length );\n\t\t\t\tarray.push( renderItem );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// TODO Duplicated code (Frustum)\n\n\t\tfunction isObjectViewable( object ) {\n\n\t\t\tvar geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null )\n\t\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\t_sphere.copy( geometry.boundingSphere ).\n\t\t\t\tapplyMatrix4( object.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSpriteViewable( sprite ) {\n\n\t\t\t_sphere.center.set( 0, 0, 0 );\n\t\t\t_sphere.radius = 0.7071067811865476;\n\t\t\t_sphere.applyMatrix4( sprite.matrixWorld );\n\n\t\t\treturn isSphereViewable( _sphere );\n\n\t\t}\n\n\t\tfunction isSphereViewable( sphere ) {\n\n\t\t\tif ( ! _frustum.intersectsSphere( sphere ) ) return false;\n\n\t\t\tvar numPlanes = _clipping.numPlanes;\n\n\t\t\tif ( numPlanes === 0 ) return true;\n\n\t\t\tvar planes = _this.clippingPlanes,\n\n\t\t\t\tcenter = sphere.center,\n\t\t\t\tnegRad = - sphere.radius,\n\t\t\t\ti = 0;\n\n\t\t\tdo {\n\n\t\t\t\t// out when deeper than radius in the negative halfspace\n\t\t\t\tif ( planes[ i ].distanceToPoint( center ) < negRad ) return false;\n\n\t\t\t} while ( ++ i !== numPlanes );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction projectObject( object, camera ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tvar visible = ( object.layers.mask & camera.layers.mask ) !== 0;\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isLight ) {\n\n\t\t\t\t\tlights.push( object );\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( object.frustumCulled === false || isSpriteViewable( object ) === true ) {\n\n\t\t\t\t\t\tsprites.push( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isLensFlare ) {\n\n\t\t\t\t\tlensFlares.push( object );\n\n\t\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tpushRenderItem( object, null, object.material, _vector3.z, null );\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( object.frustumCulled === false || isObjectViewable( object ) === true ) {\n\n\t\t\t\t\t\tvar material = object.material;\n\n\t\t\t\t\t\tif ( material.visible === true ) {\n\n\t\t\t\t\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld );\n\t\t\t\t\t\t\t\t_vector3.applyProjection( _projScreenMatrix );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tvar geometry = objects.update( object );\n\n\t\t\t\t\t\t\tif ( material.isMultiMaterial ) {\n\n\t\t\t\t\t\t\t\tvar groups = geometry.groups;\n\t\t\t\t\t\t\t\tvar materials = material.materials;\n\n\t\t\t\t\t\t\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tvar group = groups[ i ];\n\t\t\t\t\t\t\t\t\tvar groupMaterial = materials[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\t\tif ( groupMaterial.visible === true ) {\n\n\t\t\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, groupMaterial, _vector3.z, group );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tpushRenderItem( object, geometry, material, _vector3.z, null );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera, overrideMaterial ) {\n\n\t\t\tfor ( var i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tvar renderItem = renderList[ i ];\n\n\t\t\t\tvar object = renderItem.object;\n\t\t\t\tvar geometry = renderItem.geometry;\n\t\t\t\tvar material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;\n\t\t\t\tvar group = renderItem.group;\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\t\t\tsetMaterial( material );\n\n\t\t\t\t\tvar program = setProgram( camera, scene.fog, material, object );\n\n\t\t\t\t\t_currentGeometryProgram = '';\n\n\t\t\t\t\tobject.render( function ( object ) {\n\n\t\t\t\t\t\t_this.renderBufferImmediate( object, program, material );\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );\n\n\t\t\t\t}\n\n\t\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction initMaterial( material, fog, object ) {\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tvar parameters = programCache.getParameters(\n\t\t\t\t\tmaterial, _lights, fog, _clipping.numPlanes, _clipping.numIntersection, object );\n\n\t\t\tvar code = programCache.getProgramCode( material, parameters );\n\n\t\t\tvar program = materialProperties.program;\n\t\t\tvar programChange = true;\n\n\t\t\tif ( program === undefined ) {\n\n\t\t\t\t// new material\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t} else if ( program.code !== code ) {\n\n\t\t\t\t// changed glsl or parameters\n\t\t\t\treleaseMaterialProgramReference( material );\n\n\t\t\t} else if ( parameters.shaderID !== undefined ) {\n\n\t\t\t\t// same glsl and uniform list\n\t\t\t\treturn;\n\n\t\t\t} else {\n\n\t\t\t\t// only rebuild uniform list\n\t\t\t\tprogramChange = false;\n\n\t\t\t}\n\n\t\t\tif ( programChange ) {\n\n\t\t\t\tif ( parameters.shaderID ) {\n\n\t\t\t\t\tvar shader = ShaderLib[ parameters.shaderID ];\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: UniformsUtils.clone( shader.uniforms ),\n\t\t\t\t\t\tvertexShader: shader.vertexShader,\n\t\t\t\t\t\tfragmentShader: shader.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterialProperties.__webglShader = {\n\t\t\t\t\t\tname: material.type,\n\t\t\t\t\t\tuniforms: material.uniforms,\n\t\t\t\t\t\tvertexShader: material.vertexShader,\n\t\t\t\t\t\tfragmentShader: material.fragmentShader\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.__webglShader = materialProperties.__webglShader;\n\n\t\t\t\tprogram = programCache.acquireProgram( material, parameters, code );\n\n\t\t\t\tmaterialProperties.program = program;\n\t\t\t\tmaterial.program = program;\n\n\t\t\t}\n\n\t\t\tvar attributes = program.getAttributes();\n\n\t\t\tif ( material.morphTargets ) {\n\n\t\t\t\tmaterial.numSupportedMorphTargets = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphTargets; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphTarget' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphTargets ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.morphNormals ) {\n\n\t\t\t\tmaterial.numSupportedMorphNormals = 0;\n\n\t\t\t\tfor ( var i = 0; i < _this.maxMorphNormals; i ++ ) {\n\n\t\t\t\t\tif ( attributes[ 'morphNormal' + i ] >= 0 ) {\n\n\t\t\t\t\t\tmaterial.numSupportedMorphNormals ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( ! material.isShaderMaterial &&\n\t\t\t ! material.isRawShaderMaterial ||\n\t\t\t material.clipping === true ) {\n\n\t\t\t\tmaterialProperties.numClippingPlanes = _clipping.numPlanes;\n\t\t\t\tmaterialProperties.numIntersection = _clipping.numIntersection;\n\t\t\t\tuniforms.clippingPlanes = _clipping.uniform;\n\n\t\t\t}\n\n\t\t\tmaterialProperties.fog = fog;\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.lightsHash = _lights.hash;\n\n\t\t\tif ( material.lights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = _lights.ambient;\n\t\t\t\tuniforms.directionalLights.value = _lights.directional;\n\t\t\t\tuniforms.spotLights.value = _lights.spot;\n\t\t\t\tuniforms.pointLights.value = _lights.point;\n\t\t\t\tuniforms.hemisphereLights.value = _lights.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = _lights.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = _lights.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = _lights.spotShadowMap;\n\t\t\t\tuniforms.spotShadowMatrix.value = _lights.spotShadowMatrix;\n\t\t\t\tuniforms.pointShadowMap.value = _lights.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = _lights.pointShadowMatrix;\n\n\t\t\t}\n\n\t\t\tvar progUniforms = materialProperties.program.getUniforms(),\n\t\t\t\tuniformsList =\n\t\t\t\t\t\tWebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\t}\n\n\t\tfunction setMaterial( material ) {\n\n\t\t\tmaterial.side === DoubleSide\n\t\t\t\t? state.disable( _gl.CULL_FACE )\n\t\t\t\t: state.enable( _gl.CULL_FACE );\n\n\t\t\tstate.setFlipSided( material.side === BackSide );\n\n\t\t\tmaterial.transparent === true\n\t\t\t\t? state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )\n\t\t\t\t: state.setBlending( NoBlending );\n\n\t\t\tstate.setDepthFunc( material.depthFunc );\n\t\t\tstate.setDepthTest( material.depthTest );\n\t\t\tstate.setDepthWrite( material.depthWrite );\n\t\t\tstate.setColorWrite( material.colorWrite );\n\t\t\tstate.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\t}\n\n\t\tfunction setProgram( camera, fog, material, object ) {\n\n\t\t\t_usedTextureUnits = 0;\n\n\t\t\tvar materialProperties = properties.get( material );\n\n\t\t\tif ( _clippingEnabled ) {\n\n\t\t\t\tif ( _localClippingEnabled || camera !== _currentCamera ) {\n\n\t\t\t\t\tvar useCache =\n\t\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\t_clipping.setState(\n\t\t\t\t\t\t\tmaterial.clippingPlanes, material.clipIntersection, material.clipShadows,\n\t\t\t\t\t\t\tcamera, materialProperties, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate === false ) {\n\n\t\t\t\tif ( materialProperties.program === undefined ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( material.lights && materialProperties.lightsHash !== _lights.hash ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== _clipping.numPlanes || \n\t \t\t\t\t materialProperties.numIntersection !== _clipping.numIntersection ) ) {\n\n\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.needsUpdate ) {\n\n\t\t\t\tinitMaterial( material, fog, object );\n\t\t\t\tmaterial.needsUpdate = false;\n\n\t\t\t}\n\n\t\t\tvar refreshProgram = false;\n\t\t\tvar refreshMaterial = false;\n\t\t\tvar refreshLights = false;\n\n\t\t\tvar program = materialProperties.program,\n\t\t\t\tp_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.__webglShader.uniforms;\n\n\t\t\tif ( program.id !== _currentProgram ) {\n\n\t\t\t\t_gl.useProgram( program.program );\n\t\t\t\t_currentProgram = program.id;\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || camera !== _currentCamera ) {\n\n\t\t\t\tp_uniforms.set( _gl, camera, 'projectionMatrix' );\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( camera !== _currentCamera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t\t// load material specific uniforms\n\t\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.envMap ) {\n\n\t\t\t\t\tvar uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isShaderMaterial ||\n\t\t\t\t material.skinning ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingExposure' );\n\t\t\t\tp_uniforms.set( _gl, _this, 'toneMappingWhitePoint' );\n\n\t\t\t}\n\n\t\t\t// skinning uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t\t// not sure why, but otherwise weird things happen\n\n\t\t\tif ( material.skinning ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tvar skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( capabilities.floatVertexTextures && skeleton.useVertexTexture ) {\n\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTexture' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureWidth' );\n\t\t\t\t\t\tp_uniforms.set( _gl, skeleton, 'boneTextureHeight' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tif ( material.lights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\t\trefreshUniformsFog( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tif ( material.isMeshBasicMaterial ||\n\t\t\t\t material.isMeshLambertMaterial ||\n\t\t\t\t material.isMeshPhongMaterial ||\n\t\t\t\t material.isMeshStandardMaterial ||\n\t\t\t\t material.isMeshDepthMaterial ) {\n\n\t\t\t\t\trefreshUniformsCommon( m_uniforms, material );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh single material specific uniforms\n\n\t\t\t\tif ( material.isLineBasicMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isLineDashedMaterial ) {\n\n\t\t\t\t\trefreshUniformsLine( m_uniforms, material );\n\t\t\t\t\trefreshUniformsDash( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\t\t\trefreshUniformsPoints( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\t\t\trefreshUniformsLambert( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhong( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\t\trefreshUniformsPhysical( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\t\t\trefreshUniformsStandard( m_uniforms, material );\n\n\t\t\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\t\t\tm_uniforms.displacementMap.value = material.displacementMap;\n\t\t\t\t\t\tm_uniforms.displacementScale.value = material.displacementScale;\n\t\t\t\t\t\tm_uniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\t\t\tm_uniforms.opacity.value = material.opacity;\n\n\t\t\t\t}\n\n\t\t\t\tWebGLUniforms.upload(\n\t\t\t\t\t\t_gl, materialProperties.uniformsList, m_uniforms, _this );\n\n\t\t\t}\n\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.set( _gl, object, 'modelViewMatrix' );\n\t\t\tp_uniforms.set( _gl, object, 'normalMatrix' );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// Uniforms (refresh uniforms objects)\n\n\t\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t\tuniforms.diffuse.value = material.color;\n\n\t\t\tif ( material.emissive ) {\n\n\t\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t\t}\n\n\t\t\tuniforms.map.value = material.map;\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\tif ( material.aoMap ) {\n\n\t\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\t// uv repeat and offset setting priorities\n\t\t\t// 1. color map\n\t\t\t// 2. specular map\n\t\t\t// 3. normal map\n\t\t\t// 4. bump map\n\t\t\t// 5. alpha map\n\t\t\t// 6. emissive map\n\n\t\t\tvar uvScaleMap;\n\n\t\t\tif ( material.map ) {\n\n\t\t\t\tuvScaleMap = material.map;\n\n\t\t\t} else if ( material.specularMap ) {\n\n\t\t\t\tuvScaleMap = material.specularMap;\n\n\t\t\t} else if ( material.displacementMap ) {\n\n\t\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t\t} else if ( material.normalMap ) {\n\n\t\t\t\tuvScaleMap = material.normalMap;\n\n\t\t\t} else if ( material.bumpMap ) {\n\n\t\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t\t} else if ( material.roughnessMap ) {\n\n\t\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t\t} else if ( material.metalnessMap ) {\n\n\t\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t\t} else if ( material.alphaMap ) {\n\n\t\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t\t} else if ( material.emissiveMap ) {\n\n\t\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t\t// backwards compatibility\n\t\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t\t}\n\n\t\t\t\tvar offset = uvScaleMap.offset;\n\t\t\t\tvar repeat = uvScaleMap.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t\tuniforms.envMap.value = material.envMap;\n\n\t\t\t// don't flip CubeTexture envMaps, flip everything else:\n\t\t\t// WebGLRenderTargetCube will be flipped for backwards compatibility\n\t\t\t// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture\n\t\t\t// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future\n\t\t\tuniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t}\n\n\t\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\t\tuniforms.dashSize.value = material.dashSize;\n\t\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\t\tuniforms.scale.value = material.scale;\n\n\t\t}\n\n\t\tfunction refreshUniformsPoints( uniforms, material ) {\n\n\t\t\tuniforms.diffuse.value = material.color;\n\t\t\tuniforms.opacity.value = material.opacity;\n\t\t\tuniforms.size.value = material.size * _pixelRatio;\n\t\t\tuniforms.scale.value = _height * 0.5;\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\tif ( material.map !== null ) {\n\n\t\t\t\tvar offset = material.map.offset;\n\t\t\t\tvar repeat = material.map.repeat;\n\n\t\t\t\tuniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsFog( uniforms, fog ) {\n\n\t\t\tuniforms.fogColor.value = fog.color;\n\n\t\t\tif ( fog.isFog ) {\n\n\t\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\t\tuniforms.specular.value = material.specular;\n\t\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\t\tuniforms.roughness.value = material.roughness;\n\t\t\tuniforms.metalness.value = material.metalness;\n\n\t\t\tif ( material.roughnessMap ) {\n\n\t\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.metalnessMap ) {\n\n\t\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.lightMap ) {\n\n\t\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\t}\n\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\t}\n\n\t\t\tif ( material.bumpMap ) {\n\n\t\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\t}\n\n\t\t\tif ( material.normalMap ) {\n\n\t\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\t}\n\n\t\t\tif ( material.displacementMap ) {\n\n\t\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t\t}\n\n\t\t\tif ( material.envMap ) {\n\n\t\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction refreshUniformsPhysical( uniforms, material ) {\n\n\t\t\tuniforms.clearCoat.value = material.clearCoat;\n\t\t\tuniforms.clearCoatRoughness.value = material.clearCoatRoughness;\n\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\t// Lighting\n\n\t\tfunction setupShadows( lights ) {\n\n\t\t\tvar lightShadowsLength = 0;\n\n\t\t\tfor ( var i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\t\tvar light = lights[ i ];\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t_lights.shadows[ lightShadowsLength ++ ] = light;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.shadows.length = lightShadowsLength;\n\n\t\t}\n\n\t\tfunction setupLights( lights, camera ) {\n\n\t\t\tvar l, ll, light,\n\t\t\tr = 0, g = 0, b = 0,\n\t\t\tcolor,\n\t\t\tintensity,\n\t\t\tdistance,\n\t\t\tshadowMap,\n\n\t\t\tviewMatrix = camera.matrixWorldInverse,\n\n\t\t\tdirectionalLength = 0,\n\t\t\tpointLength = 0,\n\t\t\tspotLength = 0,\n\t\t\themiLength = 0;\n\n\t\t\tfor ( l = 0, ll = lights.length; l < ll; l ++ ) {\n\n\t\t\t\tlight = lights[ l ];\n\n\t\t\t\tcolor = light.color;\n\t\t\t\tintensity = light.intensity;\n\t\t\t\tdistance = light.distance;\n\n\t\t\t\tshadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\t\tr += color.r * intensity;\n\t\t\t\t\tg += color.g * intensity;\n\t\t\t\t\tb += color.b * intensity;\n\n\t\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\t_lights.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.directional[ directionalLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\t\tuniforms.direction.sub( _vector3 );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\t_lights.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\t\t\t\t\t_lights.spot[ spotLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\t\tuniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;\n\n\t\t\t\t\tuniforms.shadow = light.castShadow;\n\n\t\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\t\tuniforms.shadowBias = light.shadow.bias;\n\t\t\t\t\t\tuniforms.shadowRadius = light.shadow.radius;\n\t\t\t\t\t\tuniforms.shadowMapSize = light.shadow.mapSize;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_lights.pointShadowMap[ pointLength ] = shadowMap;\n\n\t\t\t\t\tif ( _lights.pointShadowMatrix[ pointLength ] === undefined ) {\n\n\t\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ] = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// for point lights we set the shadow matrix to be a translation-only matrix\n\t\t\t\t\t// equal to inverse of the light's position\n\t\t\t\t\t_vector3.setFromMatrixPosition( light.matrixWorld ).negate();\n\t\t\t\t\t_lights.pointShadowMatrix[ pointLength ].identity().setPosition( _vector3 );\n\n\t\t\t\t\t_lights.point[ pointLength ++ ] = uniforms;\n\n\t\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\t\tvar uniforms = lightCache.get( light );\n\n\t\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\t\t_lights.hemi[ hemiLength ++ ] = uniforms;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_lights.ambient[ 0 ] = r;\n\t\t\t_lights.ambient[ 1 ] = g;\n\t\t\t_lights.ambient[ 2 ] = b;\n\n\t\t\t_lights.directional.length = directionalLength;\n\t\t\t_lights.spot.length = spotLength;\n\t\t\t_lights.point.length = pointLength;\n\t\t\t_lights.hemi.length = hemiLength;\n\n\t\t\t_lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + _lights.shadows.length;\n\n\t\t}\n\n\t\t// GL state setting\n\n\t\tthis.setFaceCulling = function ( cullFace, frontFaceDirection ) {\n\n\t\t\tstate.setCullFace( cullFace );\n\t\t\tstate.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );\n\n\t\t};\n\n\t\t// Textures\n\n\t\tfunction allocTextureUnit() {\n\n\t\t\tvar textureUnit = _usedTextureUnits;\n\n\t\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\t\tconsole.warn( 'WebGLRenderer: trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t\t}\n\n\t\t\t_usedTextureUnits += 1;\n\n\t\t\treturn textureUnit;\n\n\t\t}\n\n\t\tthis.allocTextureUnit = allocTextureUnit;\n\n\t\t// this.setTexture2D = setTexture2D;\n\t\tthis.setTexture2D = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\t// backwards compatibility: peel texture.texture\n\t\t\treturn function setTexture2D( texture, slot ) {\n\n\t\t\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTexture = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTexture( texture, slot ) {\n\n\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead.\" );\n\t\t\t\t\twarned = true;\n\n\t\t\t\t}\n\n\t\t\t\ttextures.setTexture2D( texture, slot );\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.setTextureCube = ( function() {\n\n\t\t\tvar warned = false;\n\n\t\t\treturn function setTextureCube( texture, slot ) {\n\n\t\t\t\t// backwards compatibility: peel texture.texture\n\t\t\t\tif ( texture && texture.isWebGLRenderTargetCube ) {\n\n\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\tconsole.warn( \"THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead.\" );\n\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture = texture.texture;\n\n\t\t\t\t}\n\n\t\t\t\t// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture\n\t\t\t\t// TODO: unify these code paths\n\t\t\t\tif ( ( texture && texture.isCubeTexture ) ||\n\t\t\t\t\t ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {\n\n\t\t\t\t\t// CompressedTexture can have Array in image :/\n\n\t\t\t\t\t// this function alone should take care of cube textures\n\t\t\t\t\ttextures.setTextureCube( texture, slot );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assumed: texture property of THREE.WebGLRenderTargetCube\n\n\t\t\t\t\ttextures.setTextureCubeDynamic( texture, slot );\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() );\n\n\t\tthis.getCurrentRenderTarget = function() {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTarget = function ( renderTarget ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\n\t\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t}\n\n\t\t\tvar isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );\n\t\t\tvar framebuffer;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tvar renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( isCube ) {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer[ renderTarget.activeCubeFace ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tframebuffer = renderTargetProperties.__webglFramebuffer;\n\n\t\t\t\t}\n\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = null;\n\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );\n\n\t\t\t}\n\n\t\t\tif ( _currentFramebuffer !== framebuffer ) {\n\n\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\t\t\t\t_currentFramebuffer = framebuffer;\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tstate.viewport( _currentViewport );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tvar textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {\n\n\t\t\tif ( ( renderTarget && renderTarget.isWebGLRenderTarget ) === false ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tvar restore = false;\n\n\t\t\t\tif ( framebuffer !== _currentFramebuffer ) {\n\n\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\trestore = true;\n\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar texture = renderTarget.texture;\n\t\t\t\t\tvar textureFormat = texture.format;\n\t\t\t\t\tvar textureType = texture.type;\n\n\t\t\t\t\tif ( textureFormat !== RGBAFormat && paramThreeToGL( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( textureType !== UnsignedByteType && paramThreeToGL( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {\n\n\t\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t\t_gl.readPixels( x, y, width, height, paramThreeToGL( textureFormat ), paramThreeToGL( textureType ), buffer );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\tif ( restore ) {\n\n\t\t\t\t\t\t_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Map three.js constants to WebGL constants\n\n\t\tfunction paramThreeToGL( p ) {\n\n\t\t\tvar extension;\n\n\t\t\tif ( p === RepeatWrapping ) return _gl.REPEAT;\n\t\t\tif ( p === ClampToEdgeWrapping ) return _gl.CLAMP_TO_EDGE;\n\t\t\tif ( p === MirroredRepeatWrapping ) return _gl.MIRRORED_REPEAT;\n\n\t\t\tif ( p === NearestFilter ) return _gl.NEAREST;\n\t\t\tif ( p === NearestMipMapNearestFilter ) return _gl.NEAREST_MIPMAP_NEAREST;\n\t\t\tif ( p === NearestMipMapLinearFilter ) return _gl.NEAREST_MIPMAP_LINEAR;\n\n\t\t\tif ( p === LinearFilter ) return _gl.LINEAR;\n\t\t\tif ( p === LinearMipMapNearestFilter ) return _gl.LINEAR_MIPMAP_NEAREST;\n\t\t\tif ( p === LinearMipMapLinearFilter ) return _gl.LINEAR_MIPMAP_LINEAR;\n\n\t\t\tif ( p === UnsignedByteType ) return _gl.UNSIGNED_BYTE;\n\t\t\tif ( p === UnsignedShort4444Type ) return _gl.UNSIGNED_SHORT_4_4_4_4;\n\t\t\tif ( p === UnsignedShort5551Type ) return _gl.UNSIGNED_SHORT_5_5_5_1;\n\t\t\tif ( p === UnsignedShort565Type ) return _gl.UNSIGNED_SHORT_5_6_5;\n\n\t\t\tif ( p === ByteType ) return _gl.BYTE;\n\t\t\tif ( p === ShortType ) return _gl.SHORT;\n\t\t\tif ( p === UnsignedShortType ) return _gl.UNSIGNED_SHORT;\n\t\t\tif ( p === IntType ) return _gl.INT;\n\t\t\tif ( p === UnsignedIntType ) return _gl.UNSIGNED_INT;\n\t\t\tif ( p === FloatType ) return _gl.FLOAT;\n\n\t\t\tif ( p === HalfFloatType ) {\n\n\t\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\t\tif ( extension !== null ) return extension.HALF_FLOAT_OES;\n\n\t\t\t}\n\n\t\t\tif ( p === AlphaFormat ) return _gl.ALPHA;\n\t\t\tif ( p === RGBFormat ) return _gl.RGB;\n\t\t\tif ( p === RGBAFormat ) return _gl.RGBA;\n\t\t\tif ( p === LuminanceFormat ) return _gl.LUMINANCE;\n\t\t\tif ( p === LuminanceAlphaFormat ) return _gl.LUMINANCE_ALPHA;\n\t\t\tif ( p === DepthFormat ) return _gl.DEPTH_COMPONENT;\n\t\t\tif ( p === DepthStencilFormat ) return _gl.DEPTH_STENCIL;\n\n\t\t\tif ( p === AddEquation ) return _gl.FUNC_ADD;\n\t\t\tif ( p === SubtractEquation ) return _gl.FUNC_SUBTRACT;\n\t\t\tif ( p === ReverseSubtractEquation ) return _gl.FUNC_REVERSE_SUBTRACT;\n\n\t\t\tif ( p === ZeroFactor ) return _gl.ZERO;\n\t\t\tif ( p === OneFactor ) return _gl.ONE;\n\t\t\tif ( p === SrcColorFactor ) return _gl.SRC_COLOR;\n\t\t\tif ( p === OneMinusSrcColorFactor ) return _gl.ONE_MINUS_SRC_COLOR;\n\t\t\tif ( p === SrcAlphaFactor ) return _gl.SRC_ALPHA;\n\t\t\tif ( p === OneMinusSrcAlphaFactor ) return _gl.ONE_MINUS_SRC_ALPHA;\n\t\t\tif ( p === DstAlphaFactor ) return _gl.DST_ALPHA;\n\t\t\tif ( p === OneMinusDstAlphaFactor ) return _gl.ONE_MINUS_DST_ALPHA;\n\n\t\t\tif ( p === DstColorFactor ) return _gl.DST_COLOR;\n\t\t\tif ( p === OneMinusDstColorFactor ) return _gl.ONE_MINUS_DST_COLOR;\n\t\t\tif ( p === SrcAlphaSaturateFactor ) return _gl.SRC_ALPHA_SATURATE;\n\n\t\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\t\t p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\t\tif ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t}\n\n\t\t\tif ( p === MinEquation || p === MaxEquation ) {\n\n\t\t\t\textension = extensions.get( 'EXT_blend_minmax' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === MinEquation ) return extension.MIN_EXT;\n\t\t\t\t\tif ( p === MaxEquation ) return extension.MAX_EXT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\t\tif ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t}\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction FogExp2 ( color, density ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = ( density !== undefined ) ? density : 0.00025;\n\n\t}\n\n\tFogExp2.prototype.isFogExp2 = true;\n\n\tFogExp2.prototype.clone = function () {\n\n\t\treturn new FogExp2( this.color.getHex(), this.density );\n\n\t};\n\n\tFogExp2.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Fog ( color, near, far ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = ( near !== undefined ) ? near : 1;\n\t\tthis.far = ( far !== undefined ) ? far : 1000;\n\n\t}\n\n\tFog.prototype.isFog = true;\n\n\tFog.prototype.clone = function () {\n\n\t\treturn new Fog( this.color.getHex(), this.near, this.far );\n\n\t};\n\n\tFog.prototype.toJSON = function ( meta ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Scene () {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.fog = null;\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t}\n\n\tScene.prototype = Object.create( Object3D.prototype );\n\n\tScene.prototype.constructor = Scene;\n\n\tScene.prototype.copy = function ( source, recursive ) {\n\n\t\tObject3D.prototype.copy.call( this, source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t};\n\n\tScene.prototype.toJSON = function ( meta ) {\n\n\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\tif ( this.background !== null ) data.object.background = this.background.toJSON( meta );\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction LensFlare( texture, size, distance, blending, color ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.lensFlares = [];\n\n\t\tthis.positionScreen = new Vector3();\n\t\tthis.customUpdateCallback = undefined;\n\n\t\tif ( texture !== undefined ) {\n\n\t\t\tthis.add( texture, size, distance, blending, color );\n\n\t\t}\n\n\t}\n\n\tLensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LensFlare,\n\n\t\tisLensFlare: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.positionScreen.copy( source.positionScreen );\n\t\t\tthis.customUpdateCallback = source.customUpdateCallback;\n\n\t\t\tfor ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lensFlares.push( source.lensFlares[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tadd: function ( texture, size, distance, blending, color, opacity ) {\n\n\t\t\tif ( size === undefined ) size = - 1;\n\t\t\tif ( distance === undefined ) distance = 0;\n\t\t\tif ( opacity === undefined ) opacity = 1;\n\t\t\tif ( color === undefined ) color = new Color( 0xffffff );\n\t\t\tif ( blending === undefined ) blending = NormalBlending;\n\n\t\t\tdistance = Math.min( distance, Math.max( 0, distance ) );\n\n\t\t\tthis.lensFlares.push( {\n\t\t\t\ttexture: texture,\t// THREE.Texture\n\t\t\t\tsize: size, \t\t// size in pixels (-1 = use texture.width)\n\t\t\t\tdistance: distance, \t// distance (0-1) from light source (0=at light source)\n\t\t\t\tx: 0, y: 0, z: 0,\t// screen position (-1 => 1) z = 0 is in front z = 1 is back\n\t\t\t\tscale: 1, \t\t// scale\n\t\t\t\trotation: 0, \t\t// rotation\n\t\t\t\topacity: opacity,\t// opacity\n\t\t\t\tcolor: color,\t\t// color\n\t\t\t\tblending: blending\t// blending\n\t\t\t} );\n\n\t\t},\n\n\t\t/*\n\t\t * Update lens flares update positions on all flares based on the screen position\n\t\t * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.\n\t\t */\n\n\t\tupdateLensFlares: function () {\n\n\t\t\tvar f, fl = this.lensFlares.length;\n\t\t\tvar flare;\n\t\t\tvar vecX = - this.positionScreen.x * 2;\n\t\t\tvar vecY = - this.positionScreen.y * 2;\n\n\t\t\tfor ( f = 0; f < fl; f ++ ) {\n\n\t\t\t\tflare = this.lensFlares[ f ];\n\n\t\t\t\tflare.x = this.positionScreen.x + vecX * flare.distance;\n\t\t\t\tflare.y = this.positionScreen.y + vecY * flare.distance;\n\n\t\t\t\tflare.wantedRotation = flare.x * Math.PI * 0.25;\n\t\t\t\tflare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t *\tuvOffset: new THREE.Vector2(),\n\t *\tuvScale: new THREE.Vector2()\n\t * }\n\t */\n\n\tfunction SpriteMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\t\tthis.map = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tSpriteMaterial.prototype = Object.create( Material.prototype );\n\tSpriteMaterial.prototype.constructor = SpriteMaterial;\n\n\tSpriteMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.map = source.map;\n\n\t\tthis.rotation = source.rotation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Sprite( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Sprite';\n\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t}\n\n\tSprite.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Sprite,\n\n\t\tisSprite: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );\n\t\t\t\tvar guessSizeSq = this.scale.x * this.scale.y / 4;\n\n\t\t\t\tif ( distanceSq > guessSizeSq ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: Math.sqrt( distanceSq ),\n\t\t\t\t\tpoint: this.position,\n\t\t\t\t\tface: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LOD() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t}\n\n\n\tLOD.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: LOD,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source, false );\n\n\t\t\tvar levels = source.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\taddLevel: function ( object, distance ) {\n\n\t\t\tif ( distance === undefined ) distance = 0;\n\n\t\t\tdistance = Math.abs( distance );\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\t\tthis.add( object );\n\n\t\t},\n\n\t\tgetObjectForDistance: function ( distance ) {\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t},\n\n\t\traycast: ( function () {\n\n\t\t\tvar matrixPosition = new Vector3();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tmatrixPosition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( matrixPosition );\n\n\t\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tupdate: function () {\n\n\t\t\tvar v1 = new Vector3();\n\t\t\tvar v2 = new Vector3();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar levels = this.levels;\n\n\t\t\t\tif ( levels.length > 1 ) {\n\n\t\t\t\t\tv1.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\t\tv2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\t\tvar distance = v1.distanceTo( v2 );\n\n\t\t\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\t\t\tfor ( var i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}(),\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.levels = [];\n\n\t\t\tvar levels = this.levels;\n\n\t\t\tfor ( var i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tvar level = levels[ i ];\n\n\t\t\t\tdata.object.levels.push( {\n\t\t\t\t\tobject: level.object.uuid,\n\t\t\t\t\tdistance: level.distance\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n\tDataTexture.prototype = Object.create( Texture.prototype );\n\tDataTexture.prototype.constructor = DataTexture;\n\n\tDataTexture.prototype.isDataTexture = true;\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author michael guerrero / http://realitymeltdown.com\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Skeleton( bones, boneInverses, useVertexTexture ) {\n\n\t\tthis.useVertexTexture = useVertexTexture !== undefined ? useVertexTexture : true;\n\n\t\tthis.identityMatrix = new Matrix4();\n\n\t\t// copy the bone array\n\n\t\tbones = bones || [];\n\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t// create a bone texture or an array of floats\n\n\t\tif ( this.useVertexTexture ) {\n\n\t\t\t// layout (1 matrix = 4 pixels)\n\t\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\n\t\t\tvar size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\t\tsize = _Math.nextPowerOfTwo( Math.ceil( size ) );\n\t\t\tsize = Math.max( size, 4 );\n\n\t\t\tthis.boneTextureWidth = size;\n\t\t\tthis.boneTextureHeight = size;\n\n\t\t\tthis.boneMatrices = new Float32Array( this.boneTextureWidth * this.boneTextureHeight * 4 ); // 4 floats per RGBA pixel\n\t\t\tthis.boneTexture = new DataTexture( this.boneMatrices, this.boneTextureWidth, this.boneTextureHeight, RGBAFormat, FloatType );\n\n\t\t} else {\n\n\t\t\tthis.boneMatrices = new Float32Array( 16 * this.bones.length );\n\n\t\t}\n\n\t\t// use the supplied bone inverses or calculate the inverses\n\n\t\tif ( boneInverses === undefined ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\tif ( this.bones.length === boneInverses.length ) {\n\n\t\t\t\tthis.boneInverses = boneInverses.slice( 0 );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton bonInverses is the wrong length.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tObject.assign( Skeleton.prototype, {\n\n\t\tcalculateInverses: function () {\n\n\t\t\tthis.boneInverses = [];\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tvar inverse = new Matrix4();\n\n\t\t\t\tif ( this.bones[ b ] ) {\n\n\t\t\t\t\tinverse.getInverse( this.bones[ b ].matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tthis.boneInverses.push( inverse );\n\n\t\t\t}\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tvar bone;\n\n\t\t\t// recover the bind-time world matrices\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tbone.matrixWorld.getInverse( this.boneInverses[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// compute the local matrices, positions, rotations and scales\n\n\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\tbone = this.bones[ b ];\n\n\t\t\t\tif ( bone ) {\n\n\t\t\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\t\t\tbone.matrix.getInverse( bone.parent.matrixWorld );\n\t\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdate: ( function () {\n\n\t\t\tvar offsetMatrix = new Matrix4();\n\n\t\t\treturn function update() {\n\n\t\t\t\t// flatten bone matrices to array\n\n\t\t\t\tfor ( var b = 0, bl = this.bones.length; b < bl; b ++ ) {\n\n\t\t\t\t\t// compute the offset between the current and the original transform\n\n\t\t\t\t\tvar matrix = this.bones[ b ] ? this.bones[ b ].matrixWorld : this.identityMatrix;\n\n\t\t\t\t\toffsetMatrix.multiplyMatrices( matrix, this.boneInverses[ b ] );\n\t\t\t\t\toffsetMatrix.toArray( this.boneMatrices, b * 16 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.useVertexTexture ) {\n\n\t\t\t\t\tthis.boneTexture.needsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\tclone: function () {\n\n\t\t\treturn new Skeleton( this.bones, this.boneInverses, this.useVertexTexture );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction Bone( skin ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Bone';\n\n\t\tthis.skin = skin;\n\n\t}\n\n\tBone.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Bone,\n\n\t\tisBone: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.skin = source.skin;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mikael emtinger / http://gomo.se/\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkinnedMesh( geometry, material, useVertexTexture ) {\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = \"attached\";\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t// init bones\n\n\t\t// TODO: remove bone creation as there is no reason (other than\n\t\t// convenience) for THREE.SkinnedMesh to do this.\n\n\t\tvar bones = [];\n\n\t\tif ( this.geometry && this.geometry.bones !== undefined ) {\n\n\t\t\tvar bone, gbone;\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tbone = new Bone( this );\n\t\t\t\tbones.push( bone );\n\n\t\t\t\tbone.name = gbone.name;\n\t\t\t\tbone.position.fromArray( gbone.pos );\n\t\t\t\tbone.quaternion.fromArray( gbone.rotq );\n\t\t\t\tif ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );\n\n\t\t\t}\n\n\t\t\tfor ( var b = 0, bl = this.geometry.bones.length; b < bl; ++ b ) {\n\n\t\t\t\tgbone = this.geometry.bones[ b ];\n\n\t\t\t\tif ( gbone.parent !== - 1 && gbone.parent !== null &&\n\t\t\t\t\t\tbones[ gbone.parent ] !== undefined ) {\n\n\t\t\t\t\tbones[ gbone.parent ].add( bones[ b ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.add( bones[ b ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.normalizeSkinWeights();\n\n\t\tthis.updateMatrixWorld( true );\n\t\tthis.bind( new Skeleton( bones, undefined, useVertexTexture ), this.matrixWorld );\n\n\t}\n\n\n\tSkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {\n\n\t\tconstructor: SkinnedMesh,\n\n\t\tisSkinnedMesh: true,\n\n\t\tbind: function( skeleton, bindMatrix ) {\n\n\t\t\tthis.skeleton = skeleton;\n\n\t\t\tif ( bindMatrix === undefined ) {\n\n\t\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t\t}\n\n\t\t\tthis.bindMatrix.copy( bindMatrix );\n\t\t\tthis.bindMatrixInverse.getInverse( bindMatrix );\n\n\t\t},\n\n\t\tpose: function () {\n\n\t\t\tthis.skeleton.pose();\n\n\t\t},\n\n\t\tnormalizeSkinWeights: function () {\n\n\t\t\tif ( (this.geometry && this.geometry.isGeometry) ) {\n\n\t\t\t\tfor ( var i = 0; i < this.geometry.skinWeights.length; i ++ ) {\n\n\t\t\t\t\tvar sw = this.geometry.skinWeights[ i ];\n\n\t\t\t\t\tvar scale = 1.0 / sw.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tsw.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tsw.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (this.geometry && this.geometry.isBufferGeometry) ) {\n\n\t\t\t\tvar vec = new Vector4();\n\n\t\t\t\tvar skinWeight = this.geometry.attributes.skinWeight;\n\n\t\t\t\tfor ( var i = 0; i < skinWeight.count; i ++ ) {\n\n\t\t\t\t\tvec.x = skinWeight.getX( i );\n\t\t\t\t\tvec.y = skinWeight.getY( i );\n\t\t\t\t\tvec.z = skinWeight.getZ( i );\n\t\t\t\t\tvec.w = skinWeight.getW( i );\n\n\t\t\t\t\tvar scale = 1.0 / vec.lengthManhattan();\n\n\t\t\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\t\t\tvec.multiplyScalar( scale );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvec.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t\t\t}\n\n\t\t\t\t\tskinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\tupdateMatrixWorld: function( force ) {\n\n\t\t\tMesh.prototype.updateMatrixWorld.call( this, true );\n\n\t\t\tif ( this.bindMode === \"attached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.matrixWorld );\n\n\t\t\t} else if ( this.bindMode === \"detached\" ) {\n\n\t\t\t\tthis.bindMatrixInverse.getInverse( this.bindMatrix );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode );\n\n\t\t\t}\n\n\t\t},\n\n\t\tclone: function() {\n\n\t\t\treturn new this.constructor( this.geometry, this.material, this.skeleton.useVertexTexture ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t * linecap: \"round\",\n\t * linejoin: \"round\"\n\t * }\n\t */\n\n\tfunction LineBasicMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineBasicMaterial.prototype = Object.create( Material.prototype );\n\tLineBasicMaterial.prototype.constructor = LineBasicMaterial;\n\n\tLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\n\tLineBasicMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Line( geometry, material, mode ) {\n\n\t\tif ( mode === 1 ) {\n\n\t\t\tconsole.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );\n\t\t\treturn new LineSegments( geometry, material );\n\n\t\t}\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tLine.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Line,\n\n\t\tisLine: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar precision = raycaster.linePrecision;\n\t\t\t\tvar precisionSq = precision * precision;\n\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar vStart = new Vector3();\n\t\t\t\tvar vEnd = new Vector3();\n\t\t\t\tvar interSegment = new Vector3();\n\t\t\t\tvar interRay = new Vector3();\n\t\t\t\tvar step = (this && this.isLineSegments) ? 2 : 1;\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, l = indices.length - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\t\t\t\t\t\t\tvar b = indices[ i + 1 ];\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, a * 3 );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, b * 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {\n\n\t\t\t\t\t\t\tvStart.fromArray( positions, 3 * i );\n\t\t\t\t\t\t\tvEnd.fromArray( positions, 3 * i + 3 );\n\n\t\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( (geometry && geometry.isGeometry) ) {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\t\t\t\t\tvar nbVertices = vertices.length;\n\n\t\t\t\t\tfor ( var i = 0; i < nbVertices - 1; i += step ) {\n\n\t\t\t\t\t\tvar distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );\n\n\t\t\t\t\t\tif ( distSq > precisionSq ) continue;\n\n\t\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LineSegments( geometry, material ) {\n\n\t\tLine.call( this, geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tLineSegments.prototype = Object.assign( Object.create( Line.prototype ), {\n\n\t\tconstructor: LineSegments,\n\n\t\tisLineSegments: true\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t * map: new THREE.Texture( ),\n\t *\n\t * size: ,\n\t * sizeAttenuation: \n\t * }\n\t */\n\n\tfunction PointsMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tPointsMaterial.prototype = Object.create( Material.prototype );\n\tPointsMaterial.prototype.constructor = PointsMaterial;\n\n\tPointsMaterial.prototype.isPointsMaterial = true;\n\n\tPointsMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Points( geometry, material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry !== undefined ? geometry : new BufferGeometry();\n\t\tthis.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );\n\n\t}\n\n\tPoints.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Points,\n\n\t\tisPoints: true,\n\n\t\traycast: ( function () {\n\n\t\t\tvar inverseMatrix = new Matrix4();\n\t\t\tvar ray = new Ray();\n\t\t\tvar sphere = new Sphere();\n\n\t\t\treturn function raycast( raycaster, intersects ) {\n\n\t\t\t\tvar object = this;\n\t\t\t\tvar geometry = this.geometry;\n\t\t\t\tvar matrixWorld = this.matrixWorld;\n\t\t\t\tvar threshold = raycaster.params.Points.threshold;\n\n\t\t\t\t// Checking boundingSphere distance to ray\n\n\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t\tsphere.copy( geometry.boundingSphere );\n\t\t\t\tsphere.applyMatrix4( matrixWorld );\n\n\t\t\t\tif ( raycaster.ray.intersectsSphere( sphere ) === false ) return;\n\n\t\t\t\t//\n\n\t\t\t\tinverseMatrix.getInverse( matrixWorld );\n\t\t\t\tray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );\n\n\t\t\t\tvar localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\t\t\tvar localThresholdSq = localThreshold * localThreshold;\n\t\t\t\tvar position = new Vector3();\n\n\t\t\t\tfunction testPoint( point, index ) {\n\n\t\t\t\t\tvar rayPointDistanceSq = ray.distanceSqToPoint( point );\n\n\t\t\t\t\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\t\t\t\t\tvar intersectPoint = ray.closestPointToPoint( point );\n\t\t\t\t\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tvar distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\t\t\t\t\tpoint: intersectPoint.clone(),\n\t\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\t\tface: null,\n\t\t\t\t\t\t\tobject: object\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\t\t\tvar index = geometry.index;\n\t\t\t\t\tvar attributes = geometry.attributes;\n\t\t\t\t\tvar positions = attributes.position.array;\n\n\t\t\t\t\tif ( index !== null ) {\n\n\t\t\t\t\t\tvar indices = index.array;\n\n\t\t\t\t\t\tfor ( var i = 0, il = indices.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tvar a = indices[ i ];\n\n\t\t\t\t\t\t\tposition.fromArray( positions, a * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, a );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tfor ( var i = 0, l = positions.length / 3; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tposition.fromArray( positions, i * 3 );\n\n\t\t\t\t\t\t\ttestPoint( position, i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tvar vertices = geometry.vertices;\n\n\t\t\t\t\tfor ( var i = 0, l = vertices.length; i < l; i ++ ) {\n\n\t\t\t\t\t\ttestPoint( vertices[ i ], i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}() ),\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor( this.geometry, this.material ).copy( this );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Group() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Group';\n\n\t}\n\n\tGroup.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Group\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.generateMipmaps = false;\n\n\t\tvar scope = this;\n\n\t\tfunction update() {\n\n\t\t\trequestAnimationFrame( update );\n\n\t\t\tif ( video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\t\tscope.needsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tupdate();\n\n\t}\n\n\tVideoTexture.prototype = Object.create( Texture.prototype );\n\tVideoTexture.prototype.constructor = VideoTexture;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\tCompressedTexture.prototype = Object.create( Texture.prototype );\n\tCompressedTexture.prototype.constructor = CompressedTexture;\n\n\tCompressedTexture.prototype.isCompressedTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tTexture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n\tCanvasTexture.prototype = Object.create( Texture.prototype );\n\tCanvasTexture.prototype.constructor = CanvasTexture;\n\n\t/**\n\t * @author Matt DesLauriers / @mattdesl\n\t * @author atix / arthursilber.de\n\t */\n\n\tfunction DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )\n\n\t\t}\n\n\t\tTexture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.type = type !== undefined ? type : UnsignedShortType;\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\tDepthTexture.prototype = Object.create( Texture.prototype );\n\tDepthTexture.prototype.constructor = DepthTexture;\n\tDepthTexture.prototype.isDepthTexture = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction WireframeGeometry( geometry ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tif ( (geometry && geometry.isGeometry) ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\t\t\tvar faces = geometry.faces;\n\t\t\tvar numEdges = 0;\n\n\t\t\t// allocate maximal size\n\t\t\tvar edges = new Uint32Array( 6 * faces.length );\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\tvar vertex = vertices[ edges [ 2 * i + j ] ];\n\n\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\tcoords[ index + 0 ] = vertex.x;\n\t\t\t\t\tcoords[ index + 1 ] = vertex.y;\n\t\t\t\t\tcoords[ index + 2 ] = vertex.z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t} else if ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// Indexed BufferGeometry\n\n\t\t\t\tvar indices = geometry.index.array;\n\t\t\t\tvar vertices = geometry.attributes.position;\n\t\t\t\tvar groups = geometry.groups;\n\t\t\t\tvar numEdges = 0;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgeometry.addGroup( 0, indices.length );\n\n\t\t\t\t}\n\n\t\t\t\t// allocate maximal size\n\t\t\t\tvar edges = new Uint32Array( 2 * indices.length );\n\n\t\t\t\tfor ( var o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tvar group = groups[ o ];\n\n\t\t\t\t\tvar start = group.start;\n\t\t\t\t\tvar count = group.count;\n\n\t\t\t\t\tfor ( var i = start, il = start + count; i < il; i += 3 ) {\n\n\t\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tedge[ 0 ] = indices[ i + j ];\n\t\t\t\t\t\t\tedge[ 1 ] = indices[ i + ( j + 1 ) % 3 ];\n\t\t\t\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\t\t\t\tvar key = edge.toString();\n\n\t\t\t\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges ] = edge[ 0 ];\n\t\t\t\t\t\t\t\tedges[ 2 * numEdges + 1 ] = edge[ 1 ];\n\t\t\t\t\t\t\t\thash[ key ] = true;\n\t\t\t\t\t\t\t\tnumEdges ++;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numEdges; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 2; j ++ ) {\n\n\t\t\t\t\t\tvar index = 6 * i + 3 * j;\n\t\t\t\t\t\tvar index2 = edges[ 2 * i + j ];\n\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices.getX( index2 );\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices.getY( index2 );\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices.getZ( index2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tvar vertices = geometry.attributes.position.array;\n\t\t\t\tvar numEdges = vertices.length / 3;\n\t\t\t\tvar numTris = numEdges / 3;\n\n\t\t\t\tvar coords = new Float32Array( numEdges * 2 * 3 );\n\n\t\t\t\tfor ( var i = 0, l = numTris; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tvar index = 18 * i + 6 * j;\n\n\t\t\t\t\t\tvar index1 = 9 * i + 3 * j;\n\t\t\t\t\t\tcoords[ index + 0 ] = vertices[ index1 ];\n\t\t\t\t\t\tcoords[ index + 1 ] = vertices[ index1 + 1 ];\n\t\t\t\t\t\tcoords[ index + 2 ] = vertices[ index1 + 2 ];\n\n\t\t\t\t\t\tvar index2 = 9 * i + 3 * ( ( j + 1 ) % 3 );\n\t\t\t\t\t\tcoords[ index + 3 ] = vertices[ index2 ];\n\t\t\t\t\t\tcoords[ index + 4 ] = vertices[ index2 + 1 ];\n\t\t\t\t\t\tcoords[ index + 5 ] = vertices[ index2 + 2 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis.addAttribute( 'position', new BufferAttribute( coords, 3 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tWireframeGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tWireframeGeometry.prototype.constructor = WireframeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricBufferGeometry( func, slices, stacks ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'ParametricBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// generate vertices and uvs\n\n\t\tvar vertices = [];\n\t\tvar uvs = [];\n\n\t\tvar i, j, p;\n\t\tvar u, v;\n\n\t\tvar sliceCount = slices + 1;\n\n\t\tfor ( i = 0; i <= stacks; i ++ ) {\n\n\t\t\tv = i / stacks;\n\n\t\t\tfor ( j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tu = j / slices;\n\n\t\t\t\tp = func( u, v );\n\t\t\t\tvertices.push( p.x, p.y, p.z );\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tvar indices = [];\n\t\tvar a, b, c, d;\n\n\t\tfor ( i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( j = 0; j < slices; j ++ ) {\n\n\t\t\t\ta = i * sliceCount + j;\n\t\t\t\tb = i * sliceCount + j + 1;\n\t\t\t\tc = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\td = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t}\n\n\tParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;\n\n\t/**\n\t * @author zz85 / https://github.com/zz85\n\t *\n\t * Parametric Surfaces Geometry\n\t * based on the brilliant article by @prideout http://prideout.net/blog/?p=44\n\t */\n\n\tfunction ParametricGeometry( func, slices, stacks ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\tthis.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tParametricGeometry.prototype = Object.create( Geometry.prototype );\n\tParametricGeometry.prototype.constructor = ParametricGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction PolyhedronBufferGeometry( vertices, indices, radius, detail ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tradius = radius || 1;\n\t\tdetail = detail || 0;\n\n\t\t// default buffer data\n\n\t\tvar vertexBuffer = [];\n\t\tvar uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tappplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.addAttribute( 'position', Float32Attribute( vertexBuffer, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvBuffer, 2 ) );\n\t\tthis.normalizeNormals();\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( var i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tvar cols = Math.pow( 2, detail );\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tvar v = [];\n\n\t\t\tvar i, j;\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( i = 0 ; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tvar aj = a.clone().lerp( c, i / cols );\n\t\t\t\tvar bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tvar rows = cols - i;\n\n\t\t\t\tfor ( j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( i = 0; i < cols ; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tvar k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction appplyRadius( radius ) {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tfor ( var i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvar u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tvar v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( var i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tvar x0 = uvBuffer[ i + 0 ];\n\t\t\t\tvar x1 = uvBuffer[ i + 2 ];\n\t\t\t\tvar x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tvar max = Math.max( x0, x1, x2 );\n\t\t\t\tvar min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tvar stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tvar a = new Vector3();\n\t\t\tvar b = new Vector3();\n\t\t\tvar c = new Vector3();\n\n\t\t\tvar centroid = new Vector3();\n\n\t\t\tvar uvA = new Vector2();\n\t\t\tvar uvB = new Vector2();\n\t\t\tvar uvC = new Vector2();\n\n\t\t\tfor ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tvar azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tPolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tPolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TetrahedronBufferGeometry( radius, detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tTetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tTetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction TetrahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTetrahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tTetrahedronGeometry.prototype.constructor = TetrahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction OctahedronBufferGeometry( radius,detail ) {\n\n\t\tvar vertices = [\n\t\t\t1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1, 0, 0, 0, 1, 0, 0, - 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tOctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tOctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction OctahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tOctahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tOctahedronGeometry.prototype.constructor = OctahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction IcosahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tvar vertices = [\n\t\t\t- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,\n\t\t\t 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,\n\t\t\t t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,\n\t\t\t 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,\n\t\t\t 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,\n\t\t\t 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tIcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tIcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;\n\n\t/**\n\t * @author timothypratley / https://github.com/timothypratley\n\t */\n\n\tfunction IcosahedronGeometry( radius, detail ) {\n\n\t \tGeometry.call( this );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tIcosahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tIcosahedronGeometry.prototype.constructor = IcosahedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction DodecahedronBufferGeometry( radius, detail ) {\n\n\t\tvar t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tvar r = 1 / t;\n\n\t\tvar vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1, - 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t 1, - 1, - 1, 1, - 1, 1,\n\t\t\t 1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t 0, - r, - t, 0, - r, t,\n\t\t\t 0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\t r, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tvar indices = [\n\t\t\t 3, 11, 7, 3, 7, 15, 3, 15, 13,\n\t\t\t 7, 19, 17, 7, 17, 6, 7, 6, 15,\n\t\t\t17, 4, 8, 17, 8, 10, 17, 10, 6,\n\t\t\t 8, 0, 16, 8, 16, 2, 8, 2, 10,\n\t\t\t 0, 12, 1, 0, 1, 18, 0, 18, 16,\n\t\t\t 6, 10, 2, 6, 2, 13, 6, 13, 15,\n\t\t\t 2, 16, 18, 2, 18, 3, 2, 3, 13,\n\t\t\t18, 1, 9, 18, 9, 11, 18, 11, 3,\n\t\t\t 4, 14, 12, 4, 12, 0, 4, 0, 8,\n\t\t\t11, 9, 5, 11, 5, 19, 11, 19, 7,\n\t\t\t19, 5, 14, 19, 14, 4, 19, 4, 17,\n\t\t\t 1, 12, 14, 1, 14, 5, 1, 5, 9\n\t\t];\n\n\t\tPolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tDodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );\n\tDodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;\n\n\t/**\n\t * @author Abe Pazos / https://hamoid.com\n\t */\n\n\tfunction DodecahedronGeometry( radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tDodecahedronGeometry.prototype = Object.create( Geometry.prototype );\n\tDodecahedronGeometry.prototype.constructor = DodecahedronGeometry;\n\n\t/**\n\t * @author clockworkgeek / https://github.com/clockworkgeek\n\t * @author timothypratley / https://github.com/timothypratley\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction PolyhedronGeometry( vertices, indices, radius, detail ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tPolyhedronGeometry.prototype = Object.create( Geometry.prototype );\n\tPolyhedronGeometry.prototype.constructor = PolyhedronGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t *\n\t */\n\n\tfunction TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TubeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\ttubularSegments = tubularSegments || 64;\n\t\tradius = radius || 1;\n\t\tradialSegments = radialSegments || 8;\n\t\tclosed = closed || false;\n\n\t\tvar frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar i, j;\n\n\t\t// buffer\n\n\t\tvar vertices = [];\n\t\tvar normals = [];\n\t\tvar uvs = [];\n\t\tvar indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( ( indices.length > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', Float32Attribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', Float32Attribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', Float32Attribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tvar P = path.getPointAt( i / tubularSegments );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tvar N = frames.normals[ i ];\n\t\t\tvar B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tvar sin = Math.sin( v );\n\t\t\t\tvar cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tTubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTubeBufferGeometry.prototype.constructor = TubeBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode / https://github.com/oosmoxiecode\n\t * @author WestLangley / https://github.com/WestLangley\n\t * @author zz85 / https://github.com/zz85\n\t * @author miningold / https://github.com/miningold\n\t * @author jonobr1 / https://github.com/jonobr1\n\t *\n\t * Creates a tube which extrudes along a 3d spline.\n\t */\n\n\tfunction TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tif ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );\n\n\t\tvar bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = bufferGeometry.tangents;\n\t\tthis.normals = bufferGeometry.normals;\n\t\tthis.binormals = bufferGeometry.binormals;\n\n\t\t// create geometry\n\n\t\tthis.fromBufferGeometry( bufferGeometry );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTubeGeometry.prototype = Object.create( Geometry.prototype );\n\tTubeGeometry.prototype.constructor = TubeGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t *\n\t * see: http://www.blackpawn.com/texts/pqtorus/\n\t */\n\tfunction TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 64;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\tp = p || 2;\n\t\tq = q || 3;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar i, j, index = 0, indexOffset = 0;\n\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\t\tvar uv = new Vector2();\n\n\t\tvar P1 = new Vector3();\n\t\tvar P2 = new Vector3();\n\n\t\tvar B = new Vector3();\n\t\tvar T = new Vector3();\n\t\tvar N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tvar u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\t\t\t\tvar cx = - tube * Math.cos( v );\n\t\t\t\tvar cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\tuv.y = j / radialSegments;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tvar b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tvar c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tvar d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tvar cu = Math.cos( u );\n\t\t\tvar su = Math.sin( u );\n\t\t\tvar quOverP = q / p * u;\n\t\t\tvar cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tTorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t */\n\n\tfunction TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\tif( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );\n\n\t\tthis.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tTorusKnotGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusKnotGeometry.prototype.constructor = TorusKnotGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'TorusBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradius = radius || 100;\n\t\ttube = tube || 40;\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\ttubularSegments = Math.floor( tubularSegments ) || 6;\n\t\tarc = arc || Math.PI * 2;\n\n\t\t// used to calculate buffer length\n\t\tvar vertexCount = ( ( radialSegments + 1 ) * ( tubularSegments + 1 ) );\n\t\tvar indexCount = radialSegments * tubularSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount );\n\t\tvar vertices = new Float32Array( vertexCount * 3 );\n\t\tvar normals = new Float32Array( vertexCount * 3 );\n\t\tvar uvs = new Float32Array( vertexCount * 2 );\n\n\t\t// offset variables\n\t\tvar vertexBufferOffset = 0;\n\t\tvar uvBufferOffset = 0;\n\t\tvar indexBufferOffset = 0;\n\n\t\t// helper variables\n\t\tvar center = new Vector3();\n\t\tvar vertex = new Vector3();\n\t\tvar normal = new Vector3();\n\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tvar u = i / tubularSegments * arc;\n\t\t\t\tvar v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices[ vertexBufferOffset ] = vertex.x;\n\t\t\t\tvertices[ vertexBufferOffset + 1 ] = vertex.y;\n\t\t\t\tvertices[ vertexBufferOffset + 2 ] = vertex.z;\n\n\t\t\t\t// this vector is used to calculate the normal\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\n\t\t\t\t// normal\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals[ vertexBufferOffset ] = normal.x;\n\t\t\t\tnormals[ vertexBufferOffset + 1 ] = normal.y;\n\t\t\t\tnormals[ vertexBufferOffset + 2 ] = normal.z;\n\n\t\t\t\t// uv\n\t\t\t\tuvs[ uvBufferOffset ] = i / tubularSegments;\n\t\t\t\tuvs[ uvBufferOffset + 1 ] = j / radialSegments;\n\n\t\t\t\t// update offsets\n\t\t\t\tvertexBufferOffset += 3;\n\t\t\t\tuvBufferOffset += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\t\t\t\tvar a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tvar b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tvar c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tvar d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// face one\n\t\t\t\tindices[ indexBufferOffset ] = a;\n\t\t\t\tindices[ indexBufferOffset + 1 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 2 ] = d;\n\n\t\t\t\t// face two\n\t\t\t\tindices[ indexBufferOffset + 3 ] = b;\n\t\t\t\tindices[ indexBufferOffset + 4 ] = c;\n\t\t\t\tindices[ indexBufferOffset + 5 ] = d;\n\n\t\t\t\t// update offset\n\t\t\t\tindexBufferOffset += 6;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\t\tthis.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tTorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tTorusBufferGeometry.prototype.constructor = TorusBufferGeometry;\n\n\t/**\n\t * @author oosmoxiecode\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888\n\t */\n\n\tfunction TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tthis.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );\n\n\t}\n\n\tTorusGeometry.prototype = Object.create( Geometry.prototype );\n\tTorusGeometry.prototype.constructor = TorusGeometry;\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar ShapeUtils = {\n\n\t\t// calculate area of the contour polygon\n\n\t\tarea: function ( contour ) {\n\n\t\t\tvar n = contour.length;\n\t\t\tvar a = 0.0;\n\n\t\t\tfor ( var p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t\t}\n\n\t\t\treturn a * 0.5;\n\n\t\t},\n\n\t\ttriangulate: ( function () {\n\n\t\t\t/**\n\t\t\t * This code is a quick port of code written in C++ which was submitted to\n\t\t\t * flipcode.com by John W. Ratcliff // July 22, 2000\n\t\t\t * See original code and more information here:\n\t\t\t * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml\n\t\t\t *\n\t\t\t * ported to actionscript by Zevan Rosser\n\t\t\t * www.actionsnippet.com\n\t\t\t *\n\t\t\t * ported to javascript by Joshua Koo\n\t\t\t * http://www.lab4games.net/zz85/blog\n\t\t\t *\n\t\t\t */\n\n\t\t\tfunction snip( contour, u, v, w, n, verts ) {\n\n\t\t\t\tvar p;\n\t\t\t\tvar ax, ay, bx, by;\n\t\t\t\tvar cx, cy, px, py;\n\n\t\t\t\tax = contour[ verts[ u ] ].x;\n\t\t\t\tay = contour[ verts[ u ] ].y;\n\n\t\t\t\tbx = contour[ verts[ v ] ].x;\n\t\t\t\tby = contour[ verts[ v ] ].y;\n\n\t\t\t\tcx = contour[ verts[ w ] ].x;\n\t\t\t\tcy = contour[ verts[ w ] ].y;\n\n\t\t\t\tif ( ( bx - ax ) * ( cy - ay ) - ( by - ay ) * ( cx - ax ) <= 0 ) return false;\n\n\t\t\t\tvar aX, aY, bX, bY, cX, cY;\n\t\t\t\tvar apx, apy, bpx, bpy, cpx, cpy;\n\t\t\t\tvar cCROSSap, bCROSScp, aCROSSbp;\n\n\t\t\t\taX = cx - bx; aY = cy - by;\n\t\t\t\tbX = ax - cx; bY = ay - cy;\n\t\t\t\tcX = bx - ax; cY = by - ay;\n\n\t\t\t\tfor ( p = 0; p < n; p ++ ) {\n\n\t\t\t\t\tpx = contour[ verts[ p ] ].x;\n\t\t\t\t\tpy = contour[ verts[ p ] ].y;\n\n\t\t\t\t\tif ( ( ( px === ax ) && ( py === ay ) ) ||\n\t\t\t\t\t\t ( ( px === bx ) && ( py === by ) ) ||\n\t\t\t\t\t\t ( ( px === cx ) && ( py === cy ) ) )\tcontinue;\n\n\t\t\t\t\tapx = px - ax; apy = py - ay;\n\t\t\t\t\tbpx = px - bx; bpy = py - by;\n\t\t\t\t\tcpx = px - cx; cpy = py - cy;\n\n\t\t\t\t\t// see if p is inside triangle abc\n\n\t\t\t\t\taCROSSbp = aX * bpy - aY * bpx;\n\t\t\t\t\tcCROSSap = cX * apy - cY * apx;\n\t\t\t\t\tbCROSScp = bX * cpy - bY * cpx;\n\n\t\t\t\t\tif ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;\n\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// takes in an contour array and returns\n\n\t\t\treturn function triangulate( contour, indices ) {\n\n\t\t\t\tvar n = contour.length;\n\n\t\t\t\tif ( n < 3 ) return null;\n\n\t\t\t\tvar result = [],\n\t\t\t\t\tverts = [],\n\t\t\t\t\tvertIndices = [];\n\n\t\t\t\t/* we want a counter-clockwise polygon in verts */\n\n\t\t\t\tvar u, v, w;\n\n\t\t\t\tif ( ShapeUtils.area( contour ) > 0.0 ) {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = v;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( v = 0; v < n; v ++ ) verts[ v ] = ( n - 1 ) - v;\n\n\t\t\t\t}\n\n\t\t\t\tvar nv = n;\n\n\t\t\t\t/* remove nv - 2 vertices, creating 1 triangle every time */\n\n\t\t\t\tvar count = 2 * nv; /* error detection */\n\n\t\t\t\tfor ( v = nv - 1; nv > 2; ) {\n\n\t\t\t\t\t/* if we loop, it is probably a non-simple polygon */\n\n\t\t\t\t\tif ( ( count -- ) <= 0 ) {\n\n\t\t\t\t\t\t//** Triangulate: ERROR - probable bad polygon!\n\n\t\t\t\t\t\t//throw ( \"Warning, unable to triangulate polygon!\" );\n\t\t\t\t\t\t//return null;\n\t\t\t\t\t\t// Sometimes warning is fine, especially polygons are triangulated in reverse.\n\t\t\t\t\t\tconsole.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );\n\n\t\t\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t/* three consecutive vertices in current polygon, */\n\n\t\t\t\t\tu = v; \t \tif ( nv <= u ) u = 0; /* previous */\n\t\t\t\t\tv = u + 1; if ( nv <= v ) v = 0; /* new v */\n\t\t\t\t\tw = v + 1; if ( nv <= w ) w = 0; /* next */\n\n\t\t\t\t\tif ( snip( contour, u, v, w, nv, verts ) ) {\n\n\t\t\t\t\t\tvar a, b, c, s, t;\n\n\t\t\t\t\t\t/* true names of the vertices */\n\n\t\t\t\t\t\ta = verts[ u ];\n\t\t\t\t\t\tb = verts[ v ];\n\t\t\t\t\t\tc = verts[ w ];\n\n\t\t\t\t\t\t/* output Triangle */\n\n\t\t\t\t\t\tresult.push( [ contour[ a ],\n\t\t\t\t\t\t\tcontour[ b ],\n\t\t\t\t\t\t\tcontour[ c ] ] );\n\n\n\t\t\t\t\t\tvertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );\n\n\t\t\t\t\t\t/* remove v from the remaining polygon */\n\n\t\t\t\t\t\tfor ( s = v, t = v + 1; t < nv; s ++, t ++ ) {\n\n\t\t\t\t\t\t\tverts[ s ] = verts[ t ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnv --;\n\n\t\t\t\t\t\t/* reset error detection counter */\n\n\t\t\t\t\t\tcount = 2 * nv;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( indices ) return vertIndices;\n\t\t\t\treturn result;\n\n\t\t\t}\n\n\t\t} )(),\n\n\t\ttriangulateShape: function ( contour, holes ) {\n\n\t\t\tfunction removeDupEndPts(points) {\n\n\t\t\t\tvar l = points.length;\n\n\t\t\t\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\t\tpoints.pop();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tremoveDupEndPts( contour );\n\t\t\tholes.forEach( removeDupEndPts );\n\n\t\t\tfunction point_in_segment_2D_colin( inSegPt1, inSegPt2, inOtherPt ) {\n\n\t\t\t\t// inOtherPt needs to be collinear to the inSegment\n\t\t\t\tif ( inSegPt1.x !== inSegPt2.x ) {\n\n\t\t\t\t\tif ( inSegPt1.x < inSegPt2.x ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt2.x ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.x <= inOtherPt.x ) && ( inOtherPt.x <= inSegPt1.x ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( inSegPt1.y < inSegPt2.y ) {\n\n\t\t\t\t\t\treturn\t( ( inSegPt1.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt2.y ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\treturn\t( ( inSegPt2.y <= inOtherPt.y ) && ( inOtherPt.y <= inSegPt1.y ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {\n\n\t\t\t\tvar seg1dx = inSeg1Pt2.x - inSeg1Pt1.x, seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;\n\t\t\t\tvar seg2dx = inSeg2Pt2.x - inSeg2Pt1.x, seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;\n\n\t\t\t\tvar seg1seg2dx = inSeg1Pt1.x - inSeg2Pt1.x;\n\t\t\t\tvar seg1seg2dy = inSeg1Pt1.y - inSeg2Pt1.y;\n\n\t\t\t\tvar limit\t\t= seg1dy * seg2dx - seg1dx * seg2dy;\n\t\t\t\tvar perpSeg1\t= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;\n\n\t\t\t\tif ( Math.abs( limit ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\n\t\t\t\t\tvar perpSeg2;\n\t\t\t\t\tif ( limit > 0 ) {\n\n\t\t\t\t\t\tif ( ( perpSeg1 < 0 ) || ( perpSeg1 > limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 < 0 ) || ( perpSeg2 > limit ) ) \t\treturn [];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( ( perpSeg1 > 0 ) || ( perpSeg1 < limit ) ) \t\treturn [];\n\t\t\t\t\t\tperpSeg2 = seg2dy * seg1seg2dx - seg2dx * seg1seg2dy;\n\t\t\t\t\t\tif ( ( perpSeg2 > 0 ) || ( perpSeg2 < limit ) ) \t\treturn [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// i.e. to reduce rounding errors\n\t\t\t\t\t// intersection at endpoint of segment#1?\n\t\t\t\t\tif ( perpSeg2 === 0 ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( perpSeg2 === limit ) {\n\n\t\t\t\t\t\tif ( ( inExcludeAdjacentSegs ) &&\n\t\t\t\t\t\t\t ( ( perpSeg1 === 0 ) || ( perpSeg1 === limit ) ) )\t\treturn [];\n\t\t\t\t\t\treturn [ inSeg1Pt2 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// intersection at endpoint of segment#2?\n\t\t\t\t\tif ( perpSeg1 === 0 )\t\treturn [ inSeg2Pt1 ];\n\t\t\t\t\tif ( perpSeg1 === limit )\treturn [ inSeg2Pt2 ];\n\n\t\t\t\t\t// return real intersection point\n\t\t\t\t\tvar factorSeg1 = perpSeg2 / limit;\n\t\t\t\t\treturn\t[ { x: inSeg1Pt1.x + factorSeg1 * seg1dx,\n\t\t\t\t\t\t\t\ty: inSeg1Pt1.y + factorSeg1 * seg1dy } ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( ( perpSeg1 !== 0 ) ||\n\t\t\t\t\t\t ( seg2dy * seg1seg2dx !== seg2dx * seg1seg2dy ) ) \t\t\treturn [];\n\n\t\t\t\t\t// they are collinear or degenerate\n\t\t\t\t\tvar seg1Pt = ( ( seg1dx === 0 ) && ( seg1dy === 0 ) );\t// segment1 is just a point?\n\t\t\t\t\tvar seg2Pt = ( ( seg2dx === 0 ) && ( seg2dy === 0 ) );\t// segment2 is just a point?\n\t\t\t\t\t// both segments are points\n\t\t\t\t\tif ( seg1Pt && seg2Pt ) {\n\n\t\t\t\t\t\tif ( ( inSeg1Pt1.x !== inSeg2Pt1.x ) ||\n\t\t\t\t\t\t\t ( inSeg1Pt1.y !== inSeg2Pt1.y ) )\t\treturn [];\t// they are distinct points\n\t\t\t\t\t\treturn [ inSeg1Pt1 ]; \t\t\t\t\t\t// they are the same point\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#1 is a single point\n\t\t\t\t\tif ( seg1Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg2Pt1, inSeg2Pt2, inSeg1Pt1 ) )\t\treturn [];\t\t// but not in segment#2\n\t\t\t\t\t\treturn [ inSeg1Pt1 ];\n\n\t\t\t\t\t}\n\t\t\t\t\t// segment#2 is a single point\n\t\t\t\t\tif ( seg2Pt ) {\n\n\t\t\t\t\t\tif ( ! point_in_segment_2D_colin( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1 ) )\t\treturn [];\t\t// but not in segment#1\n\t\t\t\t\t\treturn [ inSeg2Pt1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// they are collinear segments, which might overlap\n\t\t\t\t\tvar seg1min, seg1max, seg1minVal, seg1maxVal;\n\t\t\t\t\tvar seg2min, seg2max, seg2minVal, seg2maxVal;\n\t\t\t\t\tif ( seg1dx !== 0 ) {\n\n\t\t\t\t\t\t// the segments are NOT on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.x < inSeg1Pt2.x ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.x;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.x;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.x < inSeg2Pt2.x ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.x;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.x;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.x;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// the segments are on a vertical line\n\t\t\t\t\t\tif ( inSeg1Pt1.y < inSeg1Pt2.y ) {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt1; seg1minVal = inSeg1Pt1.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt2; seg1maxVal = inSeg1Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg1min = inSeg1Pt2; seg1minVal = inSeg1Pt2.y;\n\t\t\t\t\t\t\tseg1max = inSeg1Pt1; seg1maxVal = inSeg1Pt1.y;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( inSeg2Pt1.y < inSeg2Pt2.y ) {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt1; seg2minVal = inSeg2Pt1.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt2; seg2maxVal = inSeg2Pt2.y;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tseg2min = inSeg2Pt2; seg2minVal = inSeg2Pt2.y;\n\t\t\t\t\t\t\tseg2max = inSeg2Pt1; seg2maxVal = inSeg2Pt1.y;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\tif ( seg1minVal <= seg2minVal ) {\n\n\t\t\t\t\t\tif ( seg1maxVal < seg2minVal )\treturn [];\n\t\t\t\t\t\tif ( seg1maxVal === seg2minVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg2min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg2min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg2min, seg2max ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( seg1minVal > seg2maxVal )\treturn [];\n\t\t\t\t\t\tif ( seg1minVal === seg2maxVal )\t{\n\n\t\t\t\t\t\t\tif ( inExcludeAdjacentSegs )\t\treturn [];\n\t\t\t\t\t\t\treturn [ seg1min ];\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( seg1maxVal <= seg2maxVal )\treturn [ seg1min, seg1max ];\n\t\t\t\t\t\treturn\t[ seg1min, seg2max ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction isPointInsideAngle( inVertex, inLegFromPt, inLegToPt, inOtherPt ) {\n\n\t\t\t\t// The order of legs is important\n\n\t\t\t\t// translation of all points, so that Vertex is at (0,0)\n\t\t\t\tvar legFromPtX\t= inLegFromPt.x - inVertex.x, legFromPtY\t= inLegFromPt.y - inVertex.y;\n\t\t\t\tvar legToPtX\t= inLegToPt.x\t- inVertex.x, legToPtY\t\t= inLegToPt.y\t- inVertex.y;\n\t\t\t\tvar otherPtX\t= inOtherPt.x\t- inVertex.x, otherPtY\t\t= inOtherPt.y\t- inVertex.y;\n\n\t\t\t\t// main angle >0: < 180 deg.; 0: 180 deg.; <0: > 180 deg.\n\t\t\t\tvar from2toAngle\t= legFromPtX * legToPtY - legFromPtY * legToPtX;\n\t\t\t\tvar from2otherAngle\t= legFromPtX * otherPtY - legFromPtY * otherPtX;\n\n\t\t\t\tif ( Math.abs( from2toAngle ) > Number.EPSILON ) {\n\n\t\t\t\t\t// angle != 180 deg.\n\n\t\t\t\t\tvar other2toAngle\t\t= otherPtX * legToPtY - otherPtY * legToPtX;\n\t\t\t\t\t// console.log( \"from2to: \" + from2toAngle + \", from2other: \" + from2otherAngle + \", other2to: \" + other2toAngle );\n\n\t\t\t\t\tif ( from2toAngle > 0 ) {\n\n\t\t\t\t\t\t// main angle < 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) && ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// main angle > 180 deg.\n\t\t\t\t\t\treturn\t( ( from2otherAngle >= 0 ) || ( other2toAngle >= 0 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// angle == 180 deg.\n\t\t\t\t\t// console.log( \"from2to: 180 deg., from2other: \" + from2otherAngle );\n\t\t\t\t\treturn\t( from2otherAngle > 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tfunction removeHoles( contour, holes ) {\n\n\t\t\t\tvar shape = contour.concat(); // work on this shape\n\t\t\t\tvar hole;\n\n\t\t\t\tfunction isCutLineInsideAngles( inShapeIdx, inHoleIdx ) {\n\n\t\t\t\t\t// Check if hole point lies within angle around shape point\n\t\t\t\t\tvar lastShapeIdx = shape.length - 1;\n\n\t\t\t\t\tvar prevShapeIdx = inShapeIdx - 1;\n\t\t\t\t\tif ( prevShapeIdx < 0 )\t\t\tprevShapeIdx = lastShapeIdx;\n\n\t\t\t\t\tvar nextShapeIdx = inShapeIdx + 1;\n\t\t\t\t\tif ( nextShapeIdx > lastShapeIdx )\tnextShapeIdx = 0;\n\n\t\t\t\t\tvar insideAngle = isPointInsideAngle( shape[ inShapeIdx ], shape[ prevShapeIdx ], shape[ nextShapeIdx ], hole[ inHoleIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Shape): \" + inShapeIdx + \", Point: \" + hole[inHoleIdx].x + \"/\" + hole[inHoleIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if shape point lies within angle around hole point\n\t\t\t\t\tvar lastHoleIdx = hole.length - 1;\n\n\t\t\t\t\tvar prevHoleIdx = inHoleIdx - 1;\n\t\t\t\t\tif ( prevHoleIdx < 0 )\t\t\tprevHoleIdx = lastHoleIdx;\n\n\t\t\t\t\tvar nextHoleIdx = inHoleIdx + 1;\n\t\t\t\t\tif ( nextHoleIdx > lastHoleIdx )\tnextHoleIdx = 0;\n\n\t\t\t\t\tinsideAngle = isPointInsideAngle( hole[ inHoleIdx ], hole[ prevHoleIdx ], hole[ nextHoleIdx ], shape[ inShapeIdx ] );\n\t\t\t\t\tif ( ! insideAngle ) {\n\n\t\t\t\t\t\t// console.log( \"Vertex (Hole): \" + inHoleIdx + \", Point: \" + shape[inShapeIdx].x + \"/\" + shape[inShapeIdx].y );\n\t\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\ttrue;\n\n\t\t\t\t}\n\n\t\t\t\tfunction intersectsShapeEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with shape edges\n\t\t\t\t\tvar sIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( sIdx = 0; sIdx < shape.length; sIdx ++ ) {\n\n\t\t\t\t\t\tnextIdx = sIdx + 1; nextIdx %= shape.length;\n\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, shape[ sIdx ], shape[ nextIdx ], true );\n\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar indepHoles = [];\n\n\t\t\t\tfunction intersectsHoleEdge( inShapePt, inHolePt ) {\n\n\t\t\t\t\t// checks for intersections with hole edges\n\t\t\t\t\tvar ihIdx, chkHole,\n\t\t\t\t\t\thIdx, nextIdx, intersection;\n\t\t\t\t\tfor ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {\n\n\t\t\t\t\t\tchkHole = holes[ indepHoles[ ihIdx ]];\n\t\t\t\t\t\tfor ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {\n\n\t\t\t\t\t\t\tnextIdx = hIdx + 1; nextIdx %= chkHole.length;\n\t\t\t\t\t\t\tintersection = intersect_segments_2D( inShapePt, inHolePt, chkHole[ hIdx ], chkHole[ nextIdx ], true );\n\t\t\t\t\t\t\tif ( intersection.length > 0 )\t\treturn\ttrue;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\t\t\t\t\treturn\tfalse;\n\n\t\t\t\t}\n\n\t\t\t\tvar holeIndex, shapeIndex,\n\t\t\t\t\tshapePt, holePt,\n\t\t\t\t\tholeIdx, cutKey, failedCuts = [],\n\t\t\t\t\ttmpShape1, tmpShape2,\n\t\t\t\t\ttmpHole1, tmpHole2;\n\n\t\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tindepHoles.push( h );\n\n\t\t\t\t}\n\n\t\t\t\tvar minShapeIndex = 0;\n\t\t\t\tvar counter = indepHoles.length * 2;\n\t\t\t\twhile ( indepHoles.length > 0 ) {\n\n\t\t\t\t\tcounter --;\n\t\t\t\t\tif ( counter < 0 ) {\n\n\t\t\t\t\t\tconsole.log( \"Infinite Loop! Holes left:\" + indepHoles.length + \", Probably Hole outside Shape!\" );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// search for shape-vertex and hole-vertex,\n\t\t\t\t\t// which can be connected without intersections\n\t\t\t\t\tfor ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex ++ ) {\n\n\t\t\t\t\t\tshapePt = shape[ shapeIndex ];\n\t\t\t\t\t\tholeIndex\t= - 1;\n\n\t\t\t\t\t\t// search for hole which can be reached without intersections\n\t\t\t\t\t\tfor ( var h = 0; h < indepHoles.length; h ++ ) {\n\n\t\t\t\t\t\t\tholeIdx = indepHoles[ h ];\n\n\t\t\t\t\t\t\t// prevent multiple checks\n\t\t\t\t\t\t\tcutKey = shapePt.x + \":\" + shapePt.y + \":\" + holeIdx;\n\t\t\t\t\t\t\tif ( failedCuts[ cutKey ] !== undefined )\t\t\tcontinue;\n\n\t\t\t\t\t\t\thole = holes[ holeIdx ];\n\t\t\t\t\t\t\tfor ( var h2 = 0; h2 < hole.length; h2 ++ ) {\n\n\t\t\t\t\t\t\t\tholePt = hole[ h2 ];\n\t\t\t\t\t\t\t\tif ( ! isCutLineInsideAngles( shapeIndex, h2 ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsShapeEdge( shapePt, holePt ) )\t\tcontinue;\n\t\t\t\t\t\t\t\tif ( intersectsHoleEdge( shapePt, holePt ) )\t\tcontinue;\n\n\t\t\t\t\t\t\t\tholeIndex = h2;\n\t\t\t\t\t\t\t\tindepHoles.splice( h, 1 );\n\n\t\t\t\t\t\t\t\ttmpShape1 = shape.slice( 0, shapeIndex + 1 );\n\t\t\t\t\t\t\t\ttmpShape2 = shape.slice( shapeIndex );\n\t\t\t\t\t\t\t\ttmpHole1 = hole.slice( holeIndex );\n\t\t\t\t\t\t\t\ttmpHole2 = hole.slice( 0, holeIndex + 1 );\n\n\t\t\t\t\t\t\t\tshape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );\n\n\t\t\t\t\t\t\t\tminShapeIndex = shapeIndex;\n\n\t\t\t\t\t\t\t\t// Debug only, to show the selected cuts\n\t\t\t\t\t\t\t\t// glob_CutLines.push( [ shapePt, holePt ] );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t\t\tfailedCuts[ cutKey ] = true;\t\t\t// remember failure\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( holeIndex >= 0 )\tbreak;\t\t// hole-vertex found\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn shape; \t\t\t/* shape with no holes */\n\n\t\t\t}\n\n\n\t\t\tvar i, il, f, face,\n\t\t\t\tkey, index,\n\t\t\t\tallPointsMap = {};\n\n\t\t\t// To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.\n\n\t\t\tvar allpoints = contour.concat();\n\n\t\t\tfor ( var h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( allpoints, holes[ h ] );\n\n\t\t\t}\n\n\t\t\t//console.log( \"allpoints\",allpoints, allpoints.length );\n\n\t\t\t// prepare all points map\n\n\t\t\tfor ( i = 0, il = allpoints.length; i < il; i ++ ) {\n\n\t\t\t\tkey = allpoints[ i ].x + \":\" + allpoints[ i ].y;\n\n\t\t\t\tif ( allPointsMap[ key ] !== undefined ) {\n\n\t\t\t\t\tconsole.warn( \"THREE.ShapeUtils: Duplicate point\", key, i );\n\n\t\t\t\t}\n\n\t\t\t\tallPointsMap[ key ] = i;\n\n\t\t\t}\n\n\t\t\t// remove holes by cutting paths to holes and adding them to the shape\n\t\t\tvar shapeWithoutHoles = removeHoles( contour, holes );\n\n\t\t\tvar triangles = ShapeUtils.triangulate( shapeWithoutHoles, false ); // True returns indices for points of spooled shape\n\t\t\t//console.log( \"triangles\",triangles, triangles.length );\n\n\t\t\t// check all face vertices against all points map\n\n\t\t\tfor ( i = 0, il = triangles.length; i < il; i ++ ) {\n\n\t\t\t\tface = triangles[ i ];\n\n\t\t\t\tfor ( f = 0; f < 3; f ++ ) {\n\n\t\t\t\t\tkey = face[ f ].x + \":\" + face[ f ].y;\n\n\t\t\t\t\tindex = allPointsMap[ key ];\n\n\t\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\t\tface[ f ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn triangles.concat();\n\n\t\t},\n\n\t\tisClockWise: function ( pts ) {\n\n\t\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t\t},\n\n\t\t// Bezier Curves formulas obtained from\n\t\t// http://en.wikipedia.org/wiki/B%C3%A9zier_curve\n\n\t\t// Quad Bezier Functions\n\n\t\tb2: ( function () {\n\n\t\t\tfunction b2p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p1( t, p ) {\n\n\t\t\t\treturn 2 * ( 1 - t ) * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b2p2( t, p ) {\n\n\t\t\t\treturn t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b2( t, p0, p1, p2 ) {\n\n\t\t\t\treturn b2p0( t, p0 ) + b2p1( t, p1 ) + b2p2( t, p2 );\n\n\t\t\t};\n\n\t\t} )(),\n\n\t\t// Cubic Bezier Functions\n\n\t\tb3: ( function () {\n\n\t\t\tfunction b3p0( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn k * k * k * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p1( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * k * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p2( t, p ) {\n\n\t\t\t\tvar k = 1 - t;\n\t\t\t\treturn 3 * k * t * t * p;\n\n\t\t\t}\n\n\t\t\tfunction b3p3( t, p ) {\n\n\t\t\t\treturn t * t * t * p;\n\n\t\t\t}\n\n\t\t\treturn function b3( t, p0, p1, p2, p3 ) {\n\n\t\t\t\treturn b3p0( t, p0 ) + b3p1( t, p1 ) + b3p2( t, p2 ) + b3p3( t, p3 );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t * Creates extruded geometry from a path shape.\n\t *\n\t * parameters = {\n\t *\n\t * curveSegments: , // number of points on the curves\n\t * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n\t * amount: , // Depth to extrude the shape\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into the original shape bevel goes\n\t * bevelSize: , // how far from shape outline is bevel\n\t * bevelSegments: , // number of bevel layers\n\t *\n\t * extrudePath: // 3d spline path to extrude shape along. (creates Frames if .frames aren't defined)\n\t * frames: // containing arrays of tangents, normals, binormals\n\t *\n\t * uvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ExtrudeGeometry( shapes, options ) {\n\n\t\tif ( typeof( shapes ) === \"undefined\" ) {\n\n\t\t\tshapes = [];\n\t\t\treturn;\n\n\t\t}\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t\t// can't really use automatic vertex normals\n\t\t// as then front and back sides get smoothed too\n\t\t// should do separate smoothing just for sides\n\n\t\t//this.computeVertexNormals();\n\n\t\t//console.log( \"took\", ( Date.now() - startTime ) );\n\n\t}\n\n\tExtrudeGeometry.prototype = Object.create( Geometry.prototype );\n\tExtrudeGeometry.prototype.constructor = ExtrudeGeometry;\n\n\tExtrudeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tvar sl = shapes.length;\n\n\t\tfor ( var s = 0; s < sl; s ++ ) {\n\n\t\t\tvar shape = shapes[ s ];\n\t\t\tthis.addShape( shape, options );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tvar amount = options.amount !== undefined ? options.amount : 100;\n\n\t\tvar bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10\n\t\tvar bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8\n\t\tvar bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\tvar bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false\n\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar steps = options.steps !== undefined ? options.steps : 1;\n\n\t\tvar extrudePath = options.extrudePath;\n\t\tvar extrudePts, extrudeByPath = false;\n\n\t\t// Use default WorldUVGenerator if no UV generators are specified.\n\t\tvar uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;\n\n\t\tvar splineTube, binormal, normal, position2;\n\t\tif ( extrudePath ) {\n\n\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\textrudeByPath = true;\n\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t// SETUP TNB variables\n\n\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\tsplineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\tbinormal = new Vector3();\n\t\t\tnormal = new Vector3();\n\t\t\tposition2 = new Vector3();\n\n\t\t}\n\n\t\t// Safeguards if bevels are not enabled\n\n\t\tif ( ! bevelEnabled ) {\n\n\t\t\tbevelSegments = 0;\n\t\t\tbevelThickness = 0;\n\t\t\tbevelSize = 0;\n\n\t\t}\n\n\t\t// Variables initialization\n\n\t\tvar ahole, h, hl; // looping of holes\n\t\tvar scope = this;\n\n\t\tvar shapesOffset = this.vertices.length;\n\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!\n\n\t\t}\n\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t/* Vertices */\n\n\t\tvar contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\tvertices = vertices.concat( ahole );\n\n\t\t}\n\n\n\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\tif ( ! vec ) console.error( \"THREE.ExtrudeGeometry: vec does not exist\" );\n\n\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t}\n\n\t\tvar b, bs, t, z,\n\t\t\tvert, vlen = vertices.length,\n\t\t\tface, flen = faces.length;\n\n\n\t\t// Find directions for point movement\n\n\n\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t//\n\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\tvar v_trans_x, v_trans_y, shrink_by = 1;\t\t// resulting translation vector for inPt\n\n\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\tvar v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;\n\t\t\tvar v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;\n\n\t\t\tvar v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t// check for collinear edges\n\t\t\tvar collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t// not collinear\n\n\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\tvar v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\tvar v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\tvar ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\tvar ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\tvar ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\tvar ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\tvar sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t// but prevent crazy spikes\n\t\t\t\tvar v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\treturn\tnew Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\tvar direction_eq = false;\t\t// assumes: opposite\n\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tnew Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t}\n\n\n\t\tvar contourMovements = [];\n\n\t\tfor ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\tif ( j === il ) j = 0;\n\t\t\tif ( k === il ) k = 0;\n\n\t\t\t// (j)---(i)---(k)\n\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t}\n\n\t\tvar holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\tahole = holes[ h ];\n\n\t\t\toneHoleMovements = [];\n\n\t\t\tfor ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t}\n\n\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t}\n\n\n\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\tfor ( b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tbs = bevelSize;\n\n\t\t// Back facing vertices\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t} else {\n\n\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add stepped vertices...\n\t\t// Including front facing vertices\n\n\t\tvar s;\n\n\t\tfor ( s = 1; s <= steps; s ++ ) {\n\n\t\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tvert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, amount / steps * s );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// Add bevel segments planes\n\n\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\tfor ( b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\tt = b / bevelSegments;\n\t\t\tz = bevelThickness * Math.cos ( t * Math.PI / 2 );\n\t\t\tbs = bevelSize * Math.sin( t * Math.PI / 2 );\n\n\t\t\t// contract shape\n\n\t\t\tfor ( i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\tvert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t}\n\n\t\t\t// expand holes\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\tfor ( i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\tvert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, amount + z );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t/* Faces */\n\n\t\t// Top and bottom faces\n\n\t\tbuildLidFaces();\n\n\t\t// Sides faces\n\n\t\tbuildSideFaces();\n\n\n\t\t///// Internal functions\n\n\t\tfunction buildLidFaces() {\n\n\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\tvar layer = 0; // steps + 1\n\t\t\t\tvar offset = vlen * layer;\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// Bottom faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\t// Top faces\n\n\t\t\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\tface = faces[ i ];\n\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Create faces for the z-sides of the shape\n\n\t\tfunction buildSideFaces() {\n\n\t\t\tvar layeroffset = 0;\n\t\t\tsidewalls( contour, layeroffset );\n\t\t\tlayeroffset += contour.length;\n\n\t\t\tfor ( h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tahole = holes[ h ];\n\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t//, true\n\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\tvar j, k;\n\t\t\ti = contour.length;\n\n\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\tj = i;\n\t\t\t\tk = i - 1;\n\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\tvar s = 0, sl = steps + bevelSegments * 2;\n\n\t\t\t\tfor ( s = 0; s < sl; s ++ ) {\n\n\t\t\t\t\tvar slen1 = vlen * s;\n\t\t\t\t\tvar slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\tvar a = layeroffset + j + slen1,\n\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\tf4( a, b, c, d, contour, s, sl, j, k );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tfunction v( x, y, z ) {\n\n\t\t\tscope.vertices.push( new Vector3( x, y, z ) );\n\n\t\t}\n\n\t\tfunction f3( a, b, c ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, c, null, null, 0 ) );\n\n\t\t\tvar uvs = uvgen.generateTopUV( scope, a, b, c );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( uvs );\n\n\t\t}\n\n\t\tfunction f4( a, b, c, d, wallContour, stepIndex, stepsLength, contourIndex1, contourIndex2 ) {\n\n\t\t\ta += shapesOffset;\n\t\t\tb += shapesOffset;\n\t\t\tc += shapesOffset;\n\t\t\td += shapesOffset;\n\n\t\t\tscope.faces.push( new Face3( a, b, d, null, null, 1 ) );\n\t\t\tscope.faces.push( new Face3( b, c, d, null, null, 1 ) );\n\n\t\t\tvar uvs = uvgen.generateSideWallUV( scope, a, b, c, d );\n\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] ] );\n\t\t\tscope.faceVertexUvs[ 0 ].push( [ uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] ] );\n\n\t\t}\n\n\t};\n\n\tExtrudeGeometry.WorldUVGenerator = {\n\n\t\tgenerateTopUV: function ( geometry, indexA, indexB, indexC ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a.x, a.y ),\n\t\t\t\tnew Vector2( b.x, b.y ),\n\t\t\t\tnew Vector2( c.x, c.y )\n\t\t\t];\n\n\t\t},\n\n\t\tgenerateSideWallUV: function ( geometry, indexA, indexB, indexC, indexD ) {\n\n\t\t\tvar vertices = geometry.vertices;\n\n\t\t\tvar a = vertices[ indexA ];\n\t\t\tvar b = vertices[ indexB ];\n\t\t\tvar c = vertices[ indexC ];\n\t\t\tvar d = vertices[ indexD ];\n\n\t\t\tif ( Math.abs( a.y - b.y ) < 0.01 ) {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.x, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.x, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.x, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.x, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\treturn [\n\t\t\t\t\tnew Vector2( a.y, 1 - a.z ),\n\t\t\t\t\tnew Vector2( b.y, 1 - b.z ),\n\t\t\t\t\tnew Vector2( c.y, 1 - c.z ),\n\t\t\t\t\tnew Vector2( d.y, 1 - d.z )\n\t\t\t\t];\n\n\t\t\t}\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * Text = 3D Text\n\t *\n\t * parameters = {\n\t * font: , // font\n\t *\n\t * size: , // size of the text\n\t * height: , // thickness to extrude text\n\t * curveSegments: , // number of points on the curves\n\t *\n\t * bevelEnabled: , // turn on bevel\n\t * bevelThickness: , // how deep into text bevel goes\n\t * bevelSize: // how far from text outline is bevel\n\t * }\n\t */\n\n\tfunction TextGeometry( text, parameters ) {\n\n\t\tparameters = parameters || {};\n\n\t\tvar font = parameters.font;\n\n\t\tif ( (font && font.isFont) === false ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new Geometry();\n\n\t\t}\n\n\t\tvar shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.amount = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tExtrudeGeometry.call( this, shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n\tTextGeometry.prototype = Object.create( ExtrudeGeometry.prototype );\n\tTextGeometry.prototype.constructor = TextGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t * based on THREE.SphereGeometry\n\t */\n\n\tfunction SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'SphereBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );\n\n\t\tphiStart = phiStart !== undefined ? phiStart : 0;\n\t\tphiLength = phiLength !== undefined ? phiLength : Math.PI * 2;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI;\n\n\t\tvar thetaEnd = thetaStart + thetaLength;\n\n\t\tvar vertexCount = ( ( widthSegments + 1 ) * ( heightSegments + 1 ) );\n\n\t\tvar positions = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\tvar index = 0, vertices = [], normal = new Vector3();\n\n\t\tfor ( var y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\tvar verticesRow = [];\n\n\t\t\tvar v = y / heightSegments;\n\n\t\t\tfor ( var x = 0; x <= widthSegments; x ++ ) {\n\n\t\t\t\tvar u = x / widthSegments;\n\n\t\t\t\tvar px = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvar py = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvar pz = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tnormal.set( px, py, pz ).normalize();\n\n\t\t\t\tpositions.setXYZ( index, px, py, pz );\n\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\tverticesRow.push( index );\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\tvertices.push( verticesRow );\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var y = 0; y < heightSegments; y ++ ) {\n\n\t\t\tfor ( var x = 0; x < widthSegments; x ++ ) {\n\n\t\t\t\tvar v1 = vertices[ y ][ x + 1 ];\n\t\t\t\tvar v2 = vertices[ y ][ x ];\n\t\t\t\tvar v3 = vertices[ y + 1 ][ x ];\n\t\t\t\tvar v4 = vertices[ y + 1 ][ x + 1 ];\n\n\t\t\t\tif ( y !== 0 || thetaStart > 0 ) indices.push( v1, v2, v4 );\n\t\t\t\tif ( y !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( v2, v3, v4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( new ( positions.count > 65535 ? Uint32Attribute : Uint16Attribute )( indices, 1 ) );\n\t\tthis.addAttribute( 'position', positions );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tSphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tSphereBufferGeometry.prototype.constructor = SphereBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );\n\n\t}\n\n\tSphereGeometry.prototype = Object.create( Geometry.prototype );\n\tSphereGeometry.prototype.constructor = SphereGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'RingBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tinnerRadius = innerRadius || 20;\n\t\touterRadius = outerRadius || 50;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tthetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;\n\t\tphiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( thetaSegments + 1 ) * ( phiSegments + 1 );\n\t\tvar indexCount = thetaSegments * phiSegments * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// some helper variables\n\t\tvar index = 0, indexOffset = 0, segment;\n\t\tvar radius = innerRadius;\n\t\tvar radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar j, i;\n\n\t\t// generate vertices, normals and uvs\n\n\t\t// values are generate from the inside of the ring to the outside\n\n\t\tfor ( j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, 0, 1 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex++;\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tvar thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tsegment = i + thetaSegmentLevel;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = segment;\n\t\t\t\tvar b = segment + thetaSegments + 1;\n\t\t\t\tvar c = segment + thetaSegments + 2;\n\t\t\t\tvar d = segment + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t}\n\n\tRingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tRingBufferGeometry.prototype.constructor = RingBufferGeometry;\n\n\t/**\n\t * @author Kaleb Murphy\n\t */\n\n\tfunction RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );\n\n\t}\n\n\tRingGeometry.prototype = Object.create( Geometry.prototype );\n\tRingGeometry.prototype.constructor = RingGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as\n\t */\n\n\tfunction PlaneGeometry( width, height, widthSegments, heightSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );\n\n\t}\n\n\tPlaneGeometry.prototype = Object.create( Geometry.prototype );\n\tPlaneGeometry.prototype.constructor = PlaneGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\t // points - to create a closed torus, one must use a set of points\n\t // like so: [ a, b, c, d, a ], see first is the same as last.\n\t // segments - the number of circumference segments to create\n\t // phiStart - the starting radian\n\t // phiLength - the radian (0 to 2PI) range of the lathed section\n\t // 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheBufferGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'LatheBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments ) || 12;\n\t\tphiStart = phiStart || 0;\n\t\tphiLength = phiLength || Math.PI * 2;\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\t\tphiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// these are used to calculate buffer length\n\t\tvar vertexCount = ( segments + 1 ) * points.length;\n\t\tvar indexCount = segments * points.length * 2 * 3;\n\n\t\t// buffers\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ) , 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\t\tvar index = 0, indexOffset = 0, base;\n\t\tvar inverseSegments = 1.0 / segments;\n\t\tvar vertex = new Vector3();\n\t\tvar uv = new Vector2();\n\t\tvar i, j;\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\tvar phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tvar sin = Math.sin( phi );\n\t\t\tvar cos = Math.cos( phi );\n\n\t\t\tfor ( j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tbase = j + i * points.length;\n\n\t\t\t\t// indices\n\t\t\t\tvar a = base;\n\t\t\t\tvar b = base + points.length;\n\t\t\t\tvar c = base + points.length + 1;\n\t\t\t\tvar d = base + 1;\n\n\t\t\t\t// face one\n\t\t\t\tindices.setX( indexOffset, a ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t\t// face two\n\t\t\t\tindices.setX( indexOffset, b ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, c ); indexOffset++;\n\t\t\t\tindices.setX( indexOffset, d ); indexOffset++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif( phiLength === Math.PI * 2 ) {\n\n\t\t\tvar normals = this.attributes.normal.array;\n\t\t\tvar n1 = new Vector3();\n\t\t\tvar n2 = new Vector3();\n\t\t\tvar n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\t\t\tbase = segments * points.length * 3;\n\n\t\t\tfor( i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t} // next row\n\n\t\t}\n\n\t}\n\n\tLatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tLatheBufferGeometry.prototype.constructor = LatheBufferGeometry;\n\n\t/**\n\t * @author astrodud / http://astrodud.isgreat.org/\n\t * @author zz85 / https://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t */\n\n\t// points - to create a closed torus, one must use a set of points\n\t// like so: [ a, b, c, d, a ], see first is the same as last.\n\t// segments - the number of circumference segments to create\n\t// phiStart - the starting radian\n\t// phiLength - the radian (0 to 2PI) range of the lathed section\n\t// 2PI is a closed lathe, less than 2PI is a portion.\n\n\tfunction LatheGeometry( points, segments, phiStart, phiLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tLatheGeometry.prototype = Object.create( Geometry.prototype );\n\tLatheGeometry.prototype.constructor = LatheGeometry;\n\n\t/**\n\t * @author jonobr1 / http://jonobr1.com\n\t *\n\t * Creates a one-sided polygonal geometry from a path shape. Similar to\n\t * ExtrudeGeometry.\n\t *\n\t * parameters = {\n\t *\n\t *\tcurveSegments: , // number of points on the curves. NOT USED AT THE MOMENT.\n\t *\n\t *\tmaterial: // material index for front and back faces\n\t *\tuvGenerator: // object that provides UV generator functions\n\t *\n\t * }\n\t **/\n\n\tfunction ShapeGeometry( shapes, options ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tif ( Array.isArray( shapes ) === false ) shapes = [ shapes ];\n\n\t\tthis.addShapeList( shapes, options );\n\n\t\tthis.computeFaceNormals();\n\n\t}\n\n\tShapeGeometry.prototype = Object.create( Geometry.prototype );\n\tShapeGeometry.prototype.constructor = ShapeGeometry;\n\n\t/**\n\t * Add an array of shapes to THREE.ShapeGeometry.\n\t */\n\tShapeGeometry.prototype.addShapeList = function ( shapes, options ) {\n\n\t\tfor ( var i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tthis.addShape( shapes[ i ], options );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * Adds a shape to THREE.ShapeGeometry, based on THREE.ExtrudeGeometry.\n\t */\n\tShapeGeometry.prototype.addShape = function ( shape, options ) {\n\n\t\tif ( options === undefined ) options = {};\n\t\tvar curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\n\t\tvar material = options.material;\n\t\tvar uvgen = options.UVGenerator === undefined ? ExtrudeGeometry.WorldUVGenerator : options.UVGenerator;\n\n\t\t//\n\n\t\tvar i, l, hole;\n\n\t\tvar shapesOffset = this.vertices.length;\n\t\tvar shapePoints = shape.extractPoints( curveSegments );\n\n\t\tvar vertices = shapePoints.shape;\n\t\tvar holes = shapePoints.holes;\n\n\t\tvar reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\tif ( reverse ) {\n\n\t\t\tvertices = vertices.reverse();\n\n\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe...\n\n\t\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\t\thole = holes[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( hole ) ) {\n\n\t\t\t\t\tholes[ i ] = hole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treverse = false;\n\n\t\t}\n\n\t\tvar faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t// Vertices\n\n\t\tfor ( i = 0, l = holes.length; i < l; i ++ ) {\n\n\t\t\thole = holes[ i ];\n\t\t\tvertices = vertices.concat( hole );\n\n\t\t}\n\n\t\t//\n\n\t\tvar vert, vlen = vertices.length;\n\t\tvar face, flen = faces.length;\n\n\t\tfor ( i = 0; i < vlen; i ++ ) {\n\n\t\t\tvert = vertices[ i ];\n\n\t\t\tthis.vertices.push( new Vector3( vert.x, vert.y, 0 ) );\n\n\t\t}\n\n\t\tfor ( i = 0; i < flen; i ++ ) {\n\n\t\t\tface = faces[ i ];\n\n\t\t\tvar a = face[ 0 ] + shapesOffset;\n\t\t\tvar b = face[ 1 ] + shapesOffset;\n\t\t\tvar c = face[ 2 ] + shapesOffset;\n\n\t\t\tthis.faces.push( new Face3( a, b, c, null, null, material ) );\n\t\t\tthis.faceVertexUvs[ 0 ].push( uvgen.generateTopUV( this, a, b, c ) );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction EdgesGeometry( geometry, thresholdAngle ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tvar thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );\n\n\t\tvar edge = [ 0, 0 ], hash = {};\n\n\t\tfunction sortFunction( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t}\n\n\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\tvar geometry2;\n\n\t\tif ( (geometry && geometry.isBufferGeometry) ) {\n\n\t\t\tgeometry2 = new Geometry();\n\t\t\tgeometry2.fromBufferGeometry( geometry );\n\n\t\t} else {\n\n\t\t\tgeometry2 = geometry.clone();\n\n\t\t}\n\n\t\tgeometry2.mergeVertices();\n\t\tgeometry2.computeFaceNormals();\n\n\t\tvar vertices = geometry2.vertices;\n\t\tvar faces = geometry2.faces;\n\n\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\tvar face = faces[ i ];\n\n\t\t\tfor ( var j = 0; j < 3; j ++ ) {\n\n\t\t\t\tedge[ 0 ] = face[ keys[ j ] ];\n\t\t\t\tedge[ 1 ] = face[ keys[ ( j + 1 ) % 3 ] ];\n\t\t\t\tedge.sort( sortFunction );\n\n\t\t\t\tvar key = edge.toString();\n\n\t\t\t\tif ( hash[ key ] === undefined ) {\n\n\t\t\t\t\thash[ key ] = { vert1: edge[ 0 ], vert2: edge[ 1 ], face1: i, face2: undefined };\n\n\t\t\t\t} else {\n\n\t\t\t\t\thash[ key ].face2 = i;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar coords = [];\n\n\t\tfor ( var key in hash ) {\n\n\t\t\tvar h = hash[ key ];\n\n\t\t\tif ( h.face2 === undefined || faces[ h.face1 ].normal.dot( faces[ h.face2 ].normal ) <= thresholdDot ) {\n\n\t\t\t\tvar vertex = vertices[ h.vert1 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t\tvertex = vertices[ h.vert2 ];\n\t\t\t\tcoords.push( vertex.x );\n\t\t\t\tcoords.push( vertex.y );\n\t\t\t\tcoords.push( vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addAttribute( 'position', new BufferAttribute( new Float32Array( coords ), 3 ) );\n\n\t}\n\n\tEdgesGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tEdgesGeometry.prototype.constructor = EdgesGeometry;\n\n\t/**\n\t * @author Mugen87 / https://github.com/Mugen87\n\t */\n\n\tfunction CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CylinderBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tvar scope = this;\n\n\t\tradiusTop = radiusTop !== undefined ? radiusTop : 20;\n\t\tradiusBottom = radiusBottom !== undefined ? radiusBottom : 20;\n\t\theight = height !== undefined ? height : 100;\n\n\t\tradialSegments = Math.floor( radialSegments ) || 8;\n\t\theightSegments = Math.floor( heightSegments ) || 1;\n\n\t\topenEnded = openEnded !== undefined ? openEnded : false;\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0.0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : 2.0 * Math.PI;\n\n\t\t// used to calculate buffer length\n\n\t\tvar nbCap = 0;\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) nbCap ++;\n\t\t\tif ( radiusBottom > 0 ) nbCap ++;\n\n\t\t}\n\n\t\tvar vertexCount = calculateVertexCount();\n\t\tvar indexCount = calculateIndexCount();\n\n\t\t// buffers\n\n\t\tvar indices = new BufferAttribute( new ( indexCount > 65535 ? Uint32Array : Uint16Array )( indexCount ), 1 );\n\t\tvar vertices = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar normals = new BufferAttribute( new Float32Array( vertexCount * 3 ), 3 );\n\t\tvar uvs = new BufferAttribute( new Float32Array( vertexCount * 2 ), 2 );\n\n\t\t// helper variables\n\n\t\tvar index = 0,\n\t\t indexOffset = 0,\n\t\t indexArray = [],\n\t\t halfHeight = height / 2;\n\n\t\t// group variables\n\t\tvar groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.addAttribute( 'position', vertices );\n\t\tthis.addAttribute( 'normal', normals );\n\t\tthis.addAttribute( 'uv', uvs );\n\n\t\t// helper functions\n\n\t\tfunction calculateVertexCount() {\n\n\t\t\tvar count = ( radialSegments + 1 ) * ( heightSegments + 1 );\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += ( ( radialSegments + 1 ) * nbCap ) + ( radialSegments * nbCap );\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction calculateIndexCount() {\n\n\t\t\tvar count = radialSegments * heightSegments * 2 * 3;\n\n\t\t\tif ( openEnded === false ) {\n\n\t\t\t\tcount += radialSegments * nbCap * 3;\n\n\t\t\t}\n\n\t\t\treturn count;\n\n\t\t}\n\n\t\tfunction generateTorso() {\n\n\t\t\tvar x, y;\n\t\t\tvar normal = new Vector3();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tvar slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tvar indexRow = [];\n\n\t\t\t\tvar v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\t\t\t\tvar radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tvar u = x / radialSegments;\n\n\t\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tvar sinTheta = Math.sin( theta );\n\t\t\t\t\tvar cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.setXYZ( index, normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\t\t\t\t\tuvs.setXY( index, u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\t\t\t\t\tindexRow.push( index );\n\n\t\t\t\t\t// increase index\n\t\t\t\t\tindex ++;\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\t\t\t\t\tvar i1 = indexArray[ y ][ x ];\n\t\t\t\t\tvar i2 = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tvar i3 = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tvar i4 = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// face one\n\t\t\t\t\tindices.setX( indexOffset, i1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// face two\n\t\t\t\t\tindices.setX( indexOffset, i2 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i3 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i4 ); indexOffset ++;\n\n\t\t\t\t\t// update counters\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\tvar x, centerIndexStart, centerIndexEnd;\n\n\t\t\tvar uv = new Vector2();\n\t\t\tvar vertex = new Vector3();\n\n\t\t\tvar groupCount = 0;\n\n\t\t\tvar radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tvar sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// save the index of the first center vertex\n\t\t\tcenterIndexStart = index;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\t\t\t\tvertices.setXYZ( index, 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = 0.5;\n\t\t\t\tuv.y = 0.5;\n\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tcenterIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tvar u = x / radialSegments;\n\t\t\t\tvar theta = u * thetaLength + thetaStart;\n\n\t\t\t\tvar cosTheta = Math.cos( theta );\n\t\t\t\tvar sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.setXYZ( index, vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\t\t\t\tnormals.setXYZ( index, 0, sign, 0 );\n\n\t\t\t\t// uv\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.setXY( index, uv.x, uv.y );\n\n\t\t\t\t// increase index\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tvar c = centerIndexStart + x;\n\t\t\t\tvar i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\t\t\t\t\tindices.setX( indexOffset, i + 1 ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, i ); indexOffset ++;\n\t\t\t\t\tindices.setX( indexOffset, c ); indexOffset ++;\n\n\t\t\t\t}\n\n\t\t\t\t// update counters\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tCylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tCylinderGeometry.prototype = Object.create( Geometry.prototype );\n\tCylinderGeometry.prototype.constructor = CylinderGeometry;\n\n\t/**\n\t * @author abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeGeometry.prototype = Object.create( CylinderGeometry.prototype );\n\tConeGeometry.prototype.constructor = ConeGeometry;\n\n\t/**\n\t * @author: abelnation / http://github.com/abelnation\n\t */\n\n\tfunction ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {\n\n\t\tCylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );\n\tConeBufferGeometry.prototype.constructor = ConeBufferGeometry;\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'CircleBufferGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tradius = radius || 50;\n\t\tsegments = segments !== undefined ? Math.max( 3, segments ) : 8;\n\n\t\tthetaStart = thetaStart !== undefined ? thetaStart : 0;\n\t\tthetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;\n\n\t\tvar vertices = segments + 2;\n\n\t\tvar positions = new Float32Array( vertices * 3 );\n\t\tvar normals = new Float32Array( vertices * 3 );\n\t\tvar uvs = new Float32Array( vertices * 2 );\n\n\t\t// center data is already zero, but need to set a few extras\n\t\tnormals[ 2 ] = 1.0;\n\t\tuvs[ 0 ] = 0.5;\n\t\tuvs[ 1 ] = 0.5;\n\n\t\tfor ( var s = 0, i = 3, ii = 2 ; s <= segments; s ++, i += 3, ii += 2 ) {\n\n\t\t\tvar segment = thetaStart + s / segments * thetaLength;\n\n\t\t\tpositions[ i ] = radius * Math.cos( segment );\n\t\t\tpositions[ i + 1 ] = radius * Math.sin( segment );\n\n\t\t\tnormals[ i + 2 ] = 1; // normal z\n\n\t\t\tuvs[ ii ] = ( positions[ i ] / radius + 1 ) / 2;\n\t\t\tuvs[ ii + 1 ] = ( positions[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t}\n\n\t\tvar indices = [];\n\n\t\tfor ( var i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\tthis.setIndex( new BufferAttribute( new Uint16Array( indices ), 1 ) );\n\t\tthis.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\t\tthis.addAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\t\tthis.addAttribute( 'uv', new BufferAttribute( uvs, 2 ) );\n\n\t\tthis.boundingSphere = new Sphere( new Vector3(), radius );\n\n\t}\n\n\tCircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tCircleBufferGeometry.prototype.constructor = CircleBufferGeometry;\n\n\t/**\n\t * @author hughes\n\t */\n\n\tfunction CircleGeometry( radius, segments, thetaStart, thetaLength ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthis.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );\n\n\t}\n\n\tCircleGeometry.prototype = Object.create( Geometry.prototype );\n\tCircleGeometry.prototype.constructor = CircleGeometry;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as\n\t */\n\n\tfunction BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {\n\n\t\tGeometry.call( this );\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tthis.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );\n\t\tthis.mergeVertices();\n\n\t}\n\n\tBoxGeometry.prototype = Object.create( Geometry.prototype );\n\tBoxGeometry.prototype.constructor = BoxGeometry;\n\n\n\n\tvar Geometries = Object.freeze({\n\t\tWireframeGeometry: WireframeGeometry,\n\t\tParametricGeometry: ParametricGeometry,\n\t\tParametricBufferGeometry: ParametricBufferGeometry,\n\t\tTetrahedronGeometry: TetrahedronGeometry,\n\t\tTetrahedronBufferGeometry: TetrahedronBufferGeometry,\n\t\tOctahedronGeometry: OctahedronGeometry,\n\t\tOctahedronBufferGeometry: OctahedronBufferGeometry,\n\t\tIcosahedronGeometry: IcosahedronGeometry,\n\t\tIcosahedronBufferGeometry: IcosahedronBufferGeometry,\n\t\tDodecahedronGeometry: DodecahedronGeometry,\n\t\tDodecahedronBufferGeometry: DodecahedronBufferGeometry,\n\t\tPolyhedronGeometry: PolyhedronGeometry,\n\t\tPolyhedronBufferGeometry: PolyhedronBufferGeometry,\n\t\tTubeGeometry: TubeGeometry,\n\t\tTubeBufferGeometry: TubeBufferGeometry,\n\t\tTorusKnotGeometry: TorusKnotGeometry,\n\t\tTorusKnotBufferGeometry: TorusKnotBufferGeometry,\n\t\tTorusGeometry: TorusGeometry,\n\t\tTorusBufferGeometry: TorusBufferGeometry,\n\t\tTextGeometry: TextGeometry,\n\t\tSphereBufferGeometry: SphereBufferGeometry,\n\t\tSphereGeometry: SphereGeometry,\n\t\tRingGeometry: RingGeometry,\n\t\tRingBufferGeometry: RingBufferGeometry,\n\t\tPlaneBufferGeometry: PlaneBufferGeometry,\n\t\tPlaneGeometry: PlaneGeometry,\n\t\tLatheGeometry: LatheGeometry,\n\t\tLatheBufferGeometry: LatheBufferGeometry,\n\t\tShapeGeometry: ShapeGeometry,\n\t\tExtrudeGeometry: ExtrudeGeometry,\n\t\tEdgesGeometry: EdgesGeometry,\n\t\tConeGeometry: ConeGeometry,\n\t\tConeBufferGeometry: ConeBufferGeometry,\n\t\tCylinderGeometry: CylinderGeometry,\n\t\tCylinderBufferGeometry: CylinderBufferGeometry,\n\t\tCircleBufferGeometry: CircleBufferGeometry,\n\t\tCircleGeometry: CircleGeometry,\n\t\tBoxBufferGeometry: BoxBufferGeometry,\n\t\tBoxGeometry: BoxGeometry\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ShadowMaterial() {\n\n\t\tShaderMaterial.call( this, {\n\t\t\tuniforms: UniformsUtils.merge( [\n\t\t\t\tUniformsLib[ \"lights\" ],\n\t\t\t\t{\n\t\t\t\t\topacity: { value: 1.0 }\n\t\t\t\t}\n\t\t\t] ),\n\t\t\tvertexShader: ShaderChunk[ 'shadow_vert' ],\n\t\t\tfragmentShader: ShaderChunk[ 'shadow_frag' ]\n\t\t} );\n\n\t\tthis.lights = true;\n\t\tthis.transparent = true;\n\n\t\tObject.defineProperties( this, {\n\t\t\topacity: {\n\t\t\t\tenumerable: true,\n\t\t\t\tget: function () {\n\t\t\t\t\treturn this.uniforms.opacity.value;\n\t\t\t\t},\n\t\t\t\tset: function ( value ) {\n\t\t\t\t\tthis.uniforms.opacity.value = value;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tShadowMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tShadowMaterial.prototype.constructor = ShadowMaterial;\n\n\tShadowMaterial.prototype.isShadowMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction RawShaderMaterial( parameters ) {\n\n\t\tShaderMaterial.call( this, parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n\tRawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );\n\tRawShaderMaterial.prototype.constructor = RawShaderMaterial;\n\n\tRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MultiMaterial( materials ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.type = 'MultiMaterial';\n\n\t\tthis.materials = materials instanceof Array ? materials : [];\n\n\t\tthis.visible = true;\n\n\t}\n\n\tMultiMaterial.prototype = {\n\n\t\tconstructor: MultiMaterial,\n\n\t\tisMultiMaterial: true,\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar output = {\n\t\t\t\tmetadata: {\n\t\t\t\t\tversion: 4.2,\n\t\t\t\t\ttype: 'material',\n\t\t\t\t\tgenerator: 'MaterialExporter'\n\t\t\t\t},\n\t\t\t\tuuid: this.uuid,\n\t\t\t\ttype: this.type,\n\t\t\t\tmaterials: []\n\t\t\t};\n\n\t\t\tvar materials = this.materials;\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tvar material = materials[ i ].toJSON( meta );\n\t\t\t\tdelete material.metadata;\n\n\t\t\t\toutput.materials.push( material );\n\n\t\t\t}\n\n\t\t\toutput.visible = this.visible;\n\n\t\t\treturn output;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\tvar material = new this.constructor();\n\n\t\t\tfor ( var i = 0; i < this.materials.length; i ++ ) {\n\n\t\t\t\tmaterial.materials.push( this.materials[ i ].clone() );\n\n\t\t\t}\n\n\t\t\tmaterial.visible = this.visible;\n\n\t\t\treturn material;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * color: ,\n\t * roughness: ,\n\t * metalness: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * roughnessMap: new THREE.Texture( ),\n\t *\n\t * metalnessMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n\t * envMapIntensity: \n\t *\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshStandardMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 0.5;\n\t\tthis.metalness = 0.5;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshStandardMaterial.prototype = Object.create( Material.prototype );\n\tMeshStandardMaterial.prototype.constructor = MeshStandardMaterial;\n\n\tMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n\tMeshStandardMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * parameters = {\n\t * reflectivity: \n\t * }\n\t */\n\n\tfunction MeshPhysicalMaterial( parameters ) {\n\n\t\tMeshStandardMaterial.call( this );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.reflectivity = 0.5; // maps to F0 = 0.04\n\n\t\tthis.clearCoat = 0.0;\n\t\tthis.clearCoatRoughness = 0.0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );\n\tMeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;\n\n\tMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n\tMeshPhysicalMaterial.prototype.copy = function ( source ) {\n\n\t\tMeshStandardMaterial.prototype.copy.call( this, source );\n\n\t\tthis.defines = { 'PHYSICAL': '' };\n\n\t\tthis.reflectivity = source.reflectivity;\n\n\t\tthis.clearCoat = source.clearCoat;\n\t\tthis.clearCoatRoughness = source.clearCoatRoughness;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * specular: ,\n\t * shininess: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * bumpMap: new THREE.Texture( ),\n\t * bumpScale: ,\n\t *\n\t * normalMap: new THREE.Texture( ),\n\t * normalScale: ,\n\t *\n\t * displacementMap: new THREE.Texture( ),\n\t * displacementScale: ,\n\t * displacementBias: ,\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshPhongMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshPhongMaterial.prototype = Object.create( Material.prototype );\n\tMeshPhongMaterial.prototype.constructor = MeshPhongMaterial;\n\n\tMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n\tMeshPhongMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * parameters = {\n\t * opacity: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: \n\t * }\n\t */\n\n\tfunction MeshNormalMaterial( parameters ) {\n\n\t\tMaterial.call( this, parameters );\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\t\tthis.lights = false;\n\t\tthis.morphTargets = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshNormalMaterial.prototype = Object.create( Material.prototype );\n\tMeshNormalMaterial.prototype.constructor = MeshNormalMaterial;\n\n\tMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n\tMeshNormalMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * map: new THREE.Texture( ),\n\t *\n\t * lightMap: new THREE.Texture( ),\n\t * lightMapIntensity: \n\t *\n\t * aoMap: new THREE.Texture( ),\n\t * aoMapIntensity: \n\t *\n\t * emissive: ,\n\t * emissiveIntensity: \n\t * emissiveMap: new THREE.Texture( ),\n\t *\n\t * specularMap: new THREE.Texture( ),\n\t *\n\t * alphaMap: new THREE.Texture( ),\n\t *\n\t * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),\n\t * combine: THREE.Multiply,\n\t * reflectivity: ,\n\t * refractionRatio: ,\n\t *\n\t * wireframe: ,\n\t * wireframeLinewidth: ,\n\t *\n\t * skinning: ,\n\t * morphTargets: ,\n\t * morphNormals: \n\t * }\n\t */\n\n\tfunction MeshLambertMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.skinning = false;\n\t\tthis.morphTargets = false;\n\t\tthis.morphNormals = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tMeshLambertMaterial.prototype = Object.create( Material.prototype );\n\tMeshLambertMaterial.prototype.constructor = MeshLambertMaterial;\n\n\tMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n\tMeshLambertMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.skinning = source.skinning;\n\t\tthis.morphTargets = source.morphTargets;\n\t\tthis.morphNormals = source.morphNormals;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t * parameters = {\n\t * color: ,\n\t * opacity: ,\n\t *\n\t * linewidth: ,\n\t *\n\t * scale: ,\n\t * dashSize: ,\n\t * gapSize: \n\t * }\n\t */\n\n\tfunction LineDashedMaterial( parameters ) {\n\n\t\tMaterial.call( this );\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.lights = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tLineDashedMaterial.prototype = Object.create( Material.prototype );\n\tLineDashedMaterial.prototype.constructor = LineDashedMaterial;\n\n\tLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\n\tLineDashedMaterial.prototype.copy = function ( source ) {\n\n\t\tMaterial.prototype.copy.call( this, source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t};\n\n\n\n\tvar Materials = Object.freeze({\n\t\tShadowMaterial: ShadowMaterial,\n\t\tSpriteMaterial: SpriteMaterial,\n\t\tRawShaderMaterial: RawShaderMaterial,\n\t\tShaderMaterial: ShaderMaterial,\n\t\tPointsMaterial: PointsMaterial,\n\t\tMultiMaterial: MultiMaterial,\n\t\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\t\tMeshStandardMaterial: MeshStandardMaterial,\n\t\tMeshPhongMaterial: MeshPhongMaterial,\n\t\tMeshNormalMaterial: MeshNormalMaterial,\n\t\tMeshLambertMaterial: MeshLambertMaterial,\n\t\tMeshDepthMaterial: MeshDepthMaterial,\n\t\tMeshBasicMaterial: MeshBasicMaterial,\n\t\tLineDashedMaterial: LineDashedMaterial,\n\t\tLineBasicMaterial: LineBasicMaterial,\n\t\tMaterial: Material\n\t});\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tvar Cache = {\n\n\t\tenabled: false,\n\n\t\tfiles: {},\n\n\t\tadd: function ( key, file ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\t\tthis.files[ key ] = file;\n\n\t\t},\n\n\t\tget: function ( key ) {\n\n\t\t\tif ( this.enabled === false ) return;\n\n\t\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\t\treturn this.files[ key ];\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete this.files[ key ];\n\n\t\t},\n\n\t\tclear: function () {\n\n\t\t\tthis.files = {};\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LoadingManager( onLoad, onProgress, onError ) {\n\n\t\tvar scope = this;\n\n\t\tvar isLoading = false, itemsLoaded = 0, itemsTotal = 0;\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tvar DefaultLoadingManager = new LoadingManager();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction XHRLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( XHRLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( url === undefined ) url = '';\n\n\t\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\t\tvar scope = this;\n\n\t\t\tvar cached = Cache.get( url );\n\n\t\t\tif ( cached !== undefined ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t\treturn cached;\n\n\t\t\t}\n\n\t\t\t// Check for data: URI\n\t\t\tvar dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\t\tvar dataUriRegexResult = url.match( dataUriRegex );\n\n\t\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\t\tif ( dataUriRegexResult ) {\n\n\t\t\t\tvar mimeType = dataUriRegexResult[1];\n\t\t\t\tvar isBase64 = !!dataUriRegexResult[2];\n\t\t\t\tvar data = dataUriRegexResult[3];\n\n\t\t\t\tdata = window.decodeURIComponent(data);\n\n\t\t\t\tif( isBase64 ) {\n\t\t\t\t\tdata = window.atob(data);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\n\t\t\t\t\tvar response;\n\t\t\t\t\tvar responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\t \tresponse = new ArrayBuffer( data.length );\n\t\t\t\t\t\t\tvar view = new Uint8Array( response );\n\t\t\t\t\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\t\tresponse = new Blob( [ response ], { \"type\" : mimeType } );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\t\tvar parser = new DOMParser();\n\t\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\t// Wait for next browser tick\n\t\t\t\t\twindow.setTimeout( function() {\n\n\t\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}, 0);\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tvar request = new XMLHttpRequest();\n\t\t\t\trequest.open( 'GET', url, true );\n\n\t\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\t\tvar response = event.target.response;\n\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tif ( this.status === 200 ) {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else if ( this.status === 0 ) {\n\n\t\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\t\tconsole.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( onProgress !== undefined ) {\n\n\t\t\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\t\t\tonProgress( event );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t}\n\n\t\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\t\tif ( onError ) onError( event );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t}, false );\n\n\t\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );\n\n\t\t\t\trequest.send( null );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn request;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetResponseType: function ( value ) {\n\n\t\t\tthis.responseType = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t *\n\t * Abstract Base class to block based textures loader (dds, pvr, ...)\n\t */\n\n\tfunction CompressedTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( CompressedTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar images = [];\n\n\t\t\tvar texture = new CompressedTexture();\n\t\t\ttexture.image = images;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\timages[ i ] = {\n\t\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t\t};\n\n\t\t\t\t\tloaded += 1;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\tif ( texDatas.mipmapCount === 1 )\n\t\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\tvar loaded = 0;\n\n\t\t\t\tfor ( var i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\t\tloadTexture( i );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\t\tvar texDatas = scope._parser( buffer, true );\n\n\t\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\t\tvar faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\t\tfor ( var f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\t\timages[ f ] = { mipmaps : [] };\n\n\t\t\t\t\t\t\tfor ( var i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author Nikos M. / https://github.com/foo123/\n\t *\n\t * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n\t */\n\n\tvar DataTextureLoader = BinaryTextureLoader;\n\tfunction BinaryTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t// override in sub classes\n\t\tthis._parser = null;\n\n\t}\n\n\tObject.assign( BinaryTextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texture = new DataTexture();\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar texData = scope._parser( buffer );\n\n\t\t\t\tif ( ! texData ) return;\n\n\t\t\t\tif ( undefined !== texData.image ) {\n\n\t\t\t\t\ttexture.image = texData.image;\n\n\t\t\t\t} else if ( undefined !== texData.data ) {\n\n\t\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\t\ttexture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\t\ttexture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;\n\t\t\t\ttexture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;\n\n\t\t\t\ttexture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;\n\n\t\t\t\tif ( undefined !== texData.format ) {\n\n\t\t\t\t\ttexture.format = texData.format;\n\n\t\t\t\t}\n\t\t\t\tif ( undefined !== texData.type ) {\n\n\t\t\t\t\ttexture.type = texData.type;\n\n\t\t\t\t}\n\n\t\t\t\tif ( undefined !== texData.mipmaps ) {\n\n\t\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( 1 === texData.mipmapCount ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t\t}, onProgress, onError );\n\n\n\t\t\treturn texture;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ImageLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( ImageLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\t\t\timage.onload = function () {\n\n\t\t\t\timage.onload = null;\n\n\t\t\t\tURL.revokeObjectURL( image.src );\n\n\t\t\t\tif ( onLoad ) onLoad( image );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t};\n\t\t\timage.onerror = onError;\n\n\t\t\tif ( url.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\timage.src = url;\n\n\t\t\t} else {\n\n\t\t\t\tvar loader = new XHRLoader();\n\t\t\t\tloader.setPath( this.path );\n\t\t\t\tloader.setResponseType( 'blob' );\n\t\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\t\tloader.load( url, function ( blob ) {\n\n\t\t\t\t\timage.src = URL.createObjectURL( blob );\n\n\t\t\t\t}, onProgress, onError );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn image;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction CubeTextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( CubeTextureLoader.prototype, {\n\n\t\tload: function ( urls, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new CubeTexture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setPath( this.path );\n\n\t\t\tvar loaded = 0;\n\n\t\t\tfunction loadTexture( i ) {\n\n\t\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\t\tloaded ++;\n\n\t\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t\t}\n\n\t\t\t\t}, undefined, onError );\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < urls.length; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction TextureLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( TextureLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar texture = new Texture();\n\n\t\t\tvar loader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.setPath( this.path );\n\t\t\tloader.load( url, function ( image ) {\n\n\t\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\t\tvar isJPEG = url.search( /\\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\t\ttexture.image = image;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\t\tonLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetWithCredentials: function ( value ) {\n\n\t\t\tthis.withCredentials = value;\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetPath: function ( value ) {\n\n\t\t\tthis.path = value;\n\t\t\treturn this;\n\n\t\t}\n\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Light( color, intensity ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity !== undefined ? intensity : 1;\n\n\t\tthis.receiveShadow = undefined;\n\n\t}\n\n\tLight.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Light,\n\n\t\tisLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tObject3D.prototype.copy.call( this, source );\n\n\t\t\tthis.color.copy( source.color );\n\t\t\tthis.intensity = source.intensity;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\ttoJSON: function ( meta ) {\n\n\t\t\tvar data = Object3D.prototype.toJSON.call( this, meta );\n\n\t\t\tdata.object.color = this.color.getHex();\n\t\t\tdata.object.intensity = this.intensity;\n\n\t\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\t\treturn data;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction HemisphereLight( skyColor, groundColor, intensity ) {\n\n\t\tLight.call( this, skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.castShadow = undefined;\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tHemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: HemisphereLight,\n\n\t\tisHemisphereLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.groundColor.copy( source.groundColor );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction LightShadow( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.radius = 1;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.matrix = new Matrix4();\n\n\t}\n\n\tObject.assign( LightShadow.prototype, {\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.camera = source.camera.clone();\n\n\t\t\tthis.bias = source.bias;\n\t\t\tthis.radius = source.radius;\n\n\t\t\tthis.mapSize.copy( source.mapSize );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\ttoJSON: function () {\n\n\t\t\tvar object = {};\n\n\t\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\t\tdelete object.camera.matrix;\n\n\t\t\treturn object;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction SpotLightShadow() {\n\n\t\tLightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t}\n\n\tSpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: SpotLightShadow,\n\n\t\tisSpotLightShadow: true,\n\n\t\tupdate: function ( light ) {\n\n\t\t\tvar fov = _Math.RAD2DEG * 2 * light.angle;\n\t\t\tvar aspect = this.mapSize.width / this.mapSize.height;\n\t\t\tvar far = light.distance || 500;\n\n\t\t\tvar camera = this.camera;\n\n\t\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\t\tcamera.fov = fov;\n\t\t\t\tcamera.aspect = aspect;\n\t\t\t\tcamera.far = far;\n\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction SpotLight( color, intensity, distance, angle, penumbra, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * Math.PI;\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / Math.PI;\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.angle = ( angle !== undefined ) ? angle : Math.PI / 3;\n\t\tthis.penumbra = ( penumbra !== undefined ) ? penumbra : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tSpotLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: SpotLight,\n\n\t\tisSpotLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.angle = source.angle;\n\t\t\tthis.penumbra = source.penumbra;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\n\tfunction PointLight( color, intensity, distance, decay ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tObject.defineProperty( this, 'power', {\n\t\t\tget: function () {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\treturn this.intensity * 4 * Math.PI;\n\n\t\t\t},\n\t\t\tset: function ( power ) {\n\t\t\t\t// intensity = power per solid angle.\n\t\t\t\t// ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf\n\t\t\t\tthis.intensity = power / ( 4 * Math.PI );\n\t\t\t}\n\t\t} );\n\n\t\tthis.distance = ( distance !== undefined ) ? distance : 0;\n\t\tthis.decay = ( decay !== undefined ) ? decay : 1;\t// for physically correct lights, should be 2.\n\n\t\tthis.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t}\n\n\tPointLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: PointLight,\n\n\t\tisPointLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.distance = source.distance;\n\t\t\tthis.decay = source.decay;\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction DirectionalLightShadow( light ) {\n\n\t\tLightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n\tDirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {\n\n\t\tconstructor: DirectionalLightShadow\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction DirectionalLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tDirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: DirectionalLight,\n\n\t\tisDirectionalLight: true,\n\n\t\tcopy: function ( source ) {\n\n\t\t\tLight.prototype.copy.call( this, source );\n\n\t\t\tthis.target = source.target.clone();\n\n\t\t\tthis.shadow = source.shadow.clone();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AmbientLight( color, intensity ) {\n\n\t\tLight.call( this, color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t\tthis.castShadow = undefined;\n\n\t}\n\n\tAmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {\n\n\t\tconstructor: AmbientLight,\n\n\t\tisAmbientLight: true,\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tvar AnimationUtils = {\n\n\t\t// same as Array.prototype.slice, but also works on typed arrays\n\t\tarraySlice: function( array, from, to ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t\treturn new array.constructor( array.subarray( from, to ) );\n\n\t\t\t}\n\n\t\t\treturn array.slice( from, to );\n\n\t\t},\n\n\t\t// converts an array to a specific type\n\t\tconvertArray: function( array, type, forceClone ) {\n\n\t\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\t\treturn new type( array ); // create typed array\n\n\t\t\t}\n\n\t\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t\t},\n\n\t\tisTypedArray: function( object ) {\n\n\t\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t\t\t! ( object instanceof DataView );\n\n\t\t},\n\n\t\t// returns an array by which times and values can be sorted\n\t\tgetKeyframeOrder: function( times ) {\n\n\t\t\tfunction compareTime( i, j ) {\n\n\t\t\t\treturn times[ i ] - times[ j ];\n\n\t\t\t}\n\n\t\t\tvar n = times.length;\n\t\t\tvar result = new Array( n );\n\t\t\tfor ( var i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\t\tresult.sort( compareTime );\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\t\tsortedArray: function( values, stride, order ) {\n\n\t\t\tvar nValues = values.length;\n\t\t\tvar result = new values.constructor( nValues );\n\n\t\t\tfor ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\t\tvar srcOffset = order[ i ] * stride;\n\n\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// function for parsing AOS keyframe formats\n\t\tflattenJSON: function( jsonKeys, times, values, valuePropertyName ) {\n\n\t\t\tvar i = 1, key = jsonKeys[ 0 ];\n\n\t\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t}\n\n\t\t\tif ( key === undefined ) return; // no data\n\n\t\t\tvar value = key[ valuePropertyName ];\n\t\t\tif ( value === undefined ) return; // no data\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else if ( value.toArray !== undefined ) {\n\t\t\t\t// ...assume THREE.Math-ish\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t} else {\n\t\t\t\t// otherwise push as-is\n\n\t\t\t\tdo {\n\n\t\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t\t} while ( key !== undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Abstract base class of interpolants over parametric samples.\n\t *\n\t * The parameter domain is one dimensional, typically the time or a path\n\t * along a curve defined by the data.\n\t *\n\t * The sample values can have any dimensionality and derived classes may\n\t * apply special interpretations to the data.\n\t *\n\t * This class provides the interval seek in a Template Method, deferring\n\t * the actual interpolation to derived classes.\n\t *\n\t * Time complexity is O(1) for linear access crossing at most two points\n\t * and O(log N) for random access, where N is the number of positions.\n\t *\n\t * References:\n\t *\n\t * \t\thttp://www.oodesign.com/template-method-pattern.html\n\t *\n\t * @author tschw\n\t */\n\n\tfunction Interpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t}\n\n\tInterpolant.prototype = {\n\n\t\tconstructor: Interpolant,\n\n\t\tevaluate: function( t ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\ti1 = this._cachedIndex,\n\n\t\t\t\tt1 = pp[ i1 ],\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\tvalidate_interval: {\n\n\t\t\t\tseek: {\n\n\t\t\t\t\tvar right;\n\n\t\t\t\t\tlinear_scan: {\n\t//- See http://jsperf.com/comparison-to-undefined/3\n\t//- slower code:\n\t//-\n\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 + 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t//- slower code:\n\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\t\tvar t1global = pp[ 1 ];\n\n\t\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\t\tfor ( var giveUpAt = i1 - 2; ;) {\n\n\t\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t\t} // linear scan\n\n\t\t\t\t\t// binary search\n\n\t\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\t\tvar mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t\t// check boundary cases, again\n\n\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t\t}\n\n\t\t\t\t} // seek\n\n\t\t\t\tthis._cachedIndex = i1;\n\n\t\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t\t} // validate_interval\n\n\t\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t\t},\n\n\t\tsettings: null, // optional, subclass-specific settings structure\n\t\t// Note: The indirection allows central control of many interpolants.\n\n\t\t// --- Protected interface\n\n\t\tDefaultSettings_: {},\n\n\t\tgetSettings_: function() {\n\n\t\t\treturn this.settings || this.DefaultSettings_;\n\n\t\t},\n\n\t\tcopySampleValue_: function( index ) {\n\n\t\t\t// copies a sample value to the result buffer\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = index * stride;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t},\n\n\t\t// Template methods for derived classes:\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tthrow new Error( \"call to abstract method\" );\n\t\t\t// implementations shall return this.resultBuffer\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\t// empty\n\n\t\t}\n\n\t};\n\n\tObject.assign( Interpolant.prototype, {\n\n\t\tbeforeStart_: //( 0, t, t0 ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_,\n\n\t\tafterEnd_: //( N-1, tN-1, t ), returns this.resultBuffer\n\t\t\tInterpolant.prototype.copySampleValue_\n\n\t} );\n\n\t/**\n\t * Fast and simple cubic spline interpolant.\n\t *\n\t * It was derived from a Hermitian construction setting the first derivative\n\t * at each sample position to the linear slope between neighboring positions\n\t * over their parameter interval.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction CubicInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t}\n\n\tCubicInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: CubicInterpolant,\n\n\t\tDefaultSettings_: {\n\n\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\n\t\t},\n\n\t\tintervalChanged_: function( i1, t0, t1 ) {\n\n\t\t\tvar pp = this.parameterPositions,\n\t\t\t\tiPrev = i1 - 2,\n\t\t\t\tiNext = i1 + 1,\n\n\t\t\t\ttPrev = pp[ iPrev ],\n\t\t\t\ttNext = pp[ iNext ];\n\n\t\t\tif ( tPrev === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\t\tiPrev = i1;\n\t\t\t\t\t\ttPrev = t1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tNext === undefined ) {\n\n\t\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\t\tiNext = i1;\n\t\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\t\tiNext = 1;\n\t\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\t\ttNext = t0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar halfDt = ( t1 - t0 ) * 0.5,\n\t\t\t\tstride = this.valueSize;\n\n\t\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\t\tthis._offsetPrev = iPrev * stride;\n\t\t\tthis._offsetNext = iNext * stride;\n\n\t\t},\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tpp = p * p,\n\t\t\t\tppp = pp * p;\n\n\t\t\t// evaluate polynomials\n\n\t\t\tvar sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\t\tvar s0 = ( 1 + wP ) * ppp + (-1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\t\tvar s1 = (-1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\t\tvar sN = wN * ppp - wN * pp;\n\n\t\t\t// combine data linearly\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author tschw\n\t */\n\n\tfunction LinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: LinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset1 = i1 * stride,\n\t\t\t\toffset0 = offset1 - stride,\n\n\t\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\t\tweight0 = 1 - weight1;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tresult[ i ] =\n\t\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Interpolant that evaluates to the sample value at the position preceeding\n\t * the parameter.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction DiscreteInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tDiscreteInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: DiscreteInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t}\n\n\t} );\n\n\tvar KeyframeTrackPrototype;\n\n\tKeyframeTrackPrototype = {\n\n\t\tTimeBufferType: Float32Array,\n\t\tValueBufferType: Float32Array,\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodDiscrete: function( result ) {\n\n\t\t\treturn new DiscreteInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new LinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: function( result ) {\n\n\t\t\treturn new CubicInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tsetInterpolation: function( interpolation ) {\n\n\t\t\tvar factoryMethod;\n\n\t\t\tswitch ( interpolation ) {\n\n\t\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateLinear:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase InterpolateSmooth:\n\n\t\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( factoryMethod === undefined ) {\n\n\t\t\t\tvar message = \"unsupported interpolation for \" +\n\t\t\t\t\t\tthis.ValueTypeName + \" keyframe track named \" + this.name;\n\n\t\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( message );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.createInterpolant = factoryMethod;\n\n\t\t},\n\n\t\tgetInterpolation: function() {\n\n\t\t\tswitch ( this.createInterpolant ) {\n\n\t\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\t\treturn InterpolateLinear;\n\n\t\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\t\treturn InterpolateSmooth;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetValueSize: function() {\n\n\t\t\treturn this.values.length / this.times.length;\n\n\t\t},\n\n\t\t// move all keyframes either forwards or backwards in time\n\t\tshift: function( timeOffset ) {\n\n\t\t\tif( timeOffset !== 0.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\t\tscale: function( timeScale ) {\n\n\t\t\tif( timeScale !== 1.0 ) {\n\n\t\t\t\tvar times = this.times;\n\n\t\t\t\tfor( var i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\t\ttrim: function( startTime, endTime ) {\n\n\t\t\tvar times = this.times,\n\t\t\t\tnKeys = times.length,\n\t\t\t\tfrom = 0,\n\t\t\t\tto = nKeys - 1;\n\n\t\t\twhile ( from !== nKeys && times[ from ] < startTime ) ++ from;\n\t\t\twhile ( to !== -1 && times[ to ] > endTime ) -- to;\n\n\t\t\t++ to; // inclusive -> exclusive bound\n\n\t\t\tif( from !== 0 || to !== nKeys ) {\n\n\t\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\t\tif ( from >= to ) to = Math.max( to , 1 ), from = to - 1;\n\n\t\t\t\tvar stride = this.getValueSize();\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\t\tthis.values = AnimationUtils.\n\t\t\t\t\t\tarraySlice( this.values, from * stride, to * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\t\tvalidate: function() {\n\n\t\t\tvar valid = true;\n\n\t\t\tvar valueSize = this.getValueSize();\n\t\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\t\tconsole.error( \"invalid value size in track\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\n\t\t\t\tnKeys = times.length;\n\n\t\t\tif( nKeys === 0 ) {\n\n\t\t\t\tconsole.error( \"track is empty\", this );\n\t\t\t\tvalid = false;\n\n\t\t\t}\n\n\t\t\tvar prevTime = null;\n\n\t\t\tfor( var i = 0; i !== nKeys; i ++ ) {\n\n\t\t\t\tvar currTime = times[ i ];\n\n\t\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\t\tconsole.error( \"time is not a valid number\", this, i, currTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\t\tconsole.error( \"out of order keys\", this, i, currTime, prevTime );\n\t\t\t\t\tvalid = false;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tprevTime = currTime;\n\n\t\t\t}\n\n\t\t\tif ( values !== undefined ) {\n\n\t\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\t\tfor ( var i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tvar value = values[ i ];\n\n\t\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\t\tconsole.error( \"value is not a valid number\", this, i, value );\n\t\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn valid;\n\n\t\t},\n\n\t\t// removes equivalent sequential keys as common in morph target sequences\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\t\toptimize: function() {\n\n\t\t\tvar times = this.times,\n\t\t\t\tvalues = this.values,\n\t\t\t\tstride = this.getValueSize(),\n\n\t\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\t\twriteIndex = 1,\n\t\t\t\tlastIndex = times.length - 1;\n\n\t\t\tfor( var i = 1; i < lastIndex; ++ i ) {\n\n\t\t\t\tvar keep = false;\n\n\t\t\t\tvar time = times[ i ];\n\t\t\t\tvar timeNext = times[ i + 1 ];\n\n\t\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\t\tif ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {\n\n\t\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\t\tvar offset = i * stride,\n\t\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\t\tvar value = values[ offset + j ];\n\n\t\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else keep = true;\n\n\t\t\t\t}\n\n\t\t\t\t// in-place compaction\n\n\t\t\t\tif ( keep ) {\n\n\t\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\t\tvar readOffset = i * stride,\n\t\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\t\tfor ( var j = 0; j !== stride; ++ j )\n\n\t\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\t++ writeIndex;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// flush last keyframe (compaction looks ahead)\n\n\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\t\tfor ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j )\n\n\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t\tif ( writeIndex !== times.length ) {\n\n\t\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\tfunction KeyframeTrackConstructor( name, times, values, interpolation ) {\n\n\t\tif( name === undefined ) throw new Error( \"track name is undefined\" );\n\n\t\tif( times === undefined || times.length === 0 ) {\n\n\t\t\tthrow new Error( \"no keyframes in track named \" + name );\n\n\t\t}\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t\tthis.validate();\n\t\tthis.optimize();\n\n\t}\n\n\t/**\n\t *\n\t * A Track of vectored keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction VectorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tVectorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: VectorKeyframeTrack,\n\n\t\tValueTypeName: 'vector'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t * Spherical linear unit quaternion interpolant.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction QuaternionLinearInterpolant(\n\t\t\tparameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tInterpolant.call(\n\t\t\t\tthis, parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tQuaternionLinearInterpolant.prototype =\n\t\t\tObject.assign( Object.create( Interpolant.prototype ), {\n\n\t\tconstructor: QuaternionLinearInterpolant,\n\n\t\tinterpolate_: function( i1, t0, t, t1 ) {\n\n\t\t\tvar result = this.resultBuffer,\n\t\t\t\tvalues = this.sampleValues,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toffset = i1 * stride,\n\n\t\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\t\tfor ( var end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\t\tQuaternion.slerpFlat( result, 0,\n\t\t\t\t\t\tvalues, offset - stride, values, offset, alpha );\n\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of quaternion keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction QuaternionKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tQuaternionKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: QuaternionKeyframeTrack,\n\n\t\tValueTypeName: 'quaternion',\n\n\t\t// ValueBufferType is inherited\n\n\t\tDefaultInterpolation: InterpolateLinear,\n\n\t\tInterpolantFactoryMethodLinear: function( result ) {\n\n\t\t\treturn new QuaternionLinearInterpolant(\n\t\t\t\t\tthis.times, this.values, this.getValueSize(), result );\n\n\t\t},\n\n\t\tInterpolantFactoryMethodSmooth: undefined // not yet implemented\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of numeric keyframe values.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction NumberKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tNumberKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: NumberKeyframeTrack,\n\n\t\tValueTypeName: 'number',\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\t} );\n\n\t/**\n\t *\n\t * A Track that interpolates Strings\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction StringKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tStringKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: StringKeyframeTrack,\n\n\t\tValueTypeName: 'string',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of Boolean keyframe values.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction BooleanKeyframeTrack( name, times, values ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values );\n\n\t}\n\n\tBooleanKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: BooleanKeyframeTrack,\n\n\t\tValueTypeName: 'bool',\n\t\tValueBufferType: Array,\n\n\t\tDefaultInterpolation: InterpolateDiscrete,\n\n\t\tInterpolantFactoryMethodLinear: undefined,\n\t\tInterpolantFactoryMethodSmooth: undefined\n\n\t\t// Note: Actually this track could have a optimized / compressed\n\t\t// representation of a single value and a custom interpolant that\n\t\t// computes \"firstValue ^ isOdd( index )\".\n\n\t} );\n\n\t/**\n\t *\n\t * A Track of keyframe values that represent color.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction ColorKeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.call( this, name, times, values, interpolation );\n\n\t}\n\n\tColorKeyframeTrack.prototype =\n\t\t\tObject.assign( Object.create( KeyframeTrackPrototype ), {\n\n\t\tconstructor: ColorKeyframeTrack,\n\n\t\tValueTypeName: 'color'\n\n\t\t// ValueBufferType is inherited\n\n\t\t// DefaultInterpolation is inherited\n\n\n\t\t// Note: Very basic implementation and nothing special yet.\n\t\t// However, this is the place for color space parameterization.\n\n\t} );\n\n\t/**\n\t *\n\t * A timed sequence of keyframes for a specific property.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction KeyframeTrack( name, times, values, interpolation ) {\n\n\t\tKeyframeTrackConstructor.apply( this, arguments );\n\n\t}\n\n\tKeyframeTrack.prototype = KeyframeTrackPrototype;\n\tKeyframeTrackPrototype.constructor = KeyframeTrack;\n\n\t// Static methods:\n\n\tObject.assign( KeyframeTrack, {\n\n\t\t// Serialization (in static context, because of constructor invocation\n\t\t// and automatic invocation of .toJSON):\n\n\t\tparse: function( json ) {\n\n\t\t\tif( json.type === undefined ) {\n\n\t\t\t\tthrow new Error( \"track type undefined, can not parse\" );\n\n\t\t\t}\n\n\t\t\tvar trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );\n\n\t\t\tif ( json.times === undefined ) {\n\n\t\t\t\tvar times = [], values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\t\t\tjson.times = times;\n\t\t\t\tjson.values = values;\n\n\t\t\t}\n\n\t\t\t// derived classes can define a static parse method\n\t\t\tif ( trackType.parse !== undefined ) {\n\n\t\t\t\treturn trackType.parse( json );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we asssume a constructor compatible with the base\n\t\t\t\treturn new trackType(\n\t\t\t\t\t\tjson.name, json.times, json.values, json.interpolation );\n\n\t\t\t}\n\n\t\t},\n\n\t\ttoJSON: function( track ) {\n\n\t\t\tvar trackType = track.constructor;\n\n\t\t\tvar json;\n\n\t\t\t// derived classes can define a static toJSON method\n\t\t\tif ( trackType.toJSON !== undefined ) {\n\n\t\t\t\tjson = trackType.toJSON( track );\n\n\t\t\t} else {\n\n\t\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\t\tjson = {\n\n\t\t\t\t\t'name': track.name,\n\t\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t\t};\n\n\t\t\t\tvar interpolation = track.getInterpolation();\n\n\t\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\t\treturn json;\n\n\t\t},\n\n\t\t_getTrackTypeForValueTypeName: function( typeName ) {\n\n\t\t\tswitch( typeName.toLowerCase() ) {\n\n\t\t\t\tcase \"scalar\":\n\t\t\t\tcase \"double\":\n\t\t\t\tcase \"float\":\n\t\t\t\tcase \"number\":\n\t\t\t\tcase \"integer\":\n\n\t\t\t\t\treturn NumberKeyframeTrack;\n\n\t\t\t\tcase \"vector\":\n\t\t\t\tcase \"vector2\":\n\t\t\t\tcase \"vector3\":\n\t\t\t\tcase \"vector4\":\n\n\t\t\t\t\treturn VectorKeyframeTrack;\n\n\t\t\t\tcase \"color\":\n\n\t\t\t\t\treturn ColorKeyframeTrack;\n\n\t\t\t\tcase \"quaternion\":\n\n\t\t\t\t\treturn QuaternionKeyframeTrack;\n\n\t\t\t\tcase \"bool\":\n\t\t\t\tcase \"boolean\":\n\n\t\t\t\t\treturn BooleanKeyframeTrack;\n\n\t\t\t\tcase \"string\":\n\n\t\t\t\t\treturn StringKeyframeTrack;\n\n\t\t\t}\n\n\t\t\tthrow new Error( \"Unsupported typeName: \" + typeName );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Reusable set of Tracks that represent an animation.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t */\n\n\tfunction AnimationClip( name, duration, tracks ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = ( duration !== undefined ) ? duration : -1;\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t\tthis.optimize();\n\n\t}\n\n\tAnimationClip.prototype = {\n\n\t\tconstructor: AnimationClip,\n\n\t\tresetDuration: function() {\n\n\t\t\tvar tracks = this.tracks,\n\t\t\t\tduration = 0;\n\n\t\t\tfor ( var i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\t\tvar track = this.tracks[ i ];\n\n\t\t\t\tduration = Math.max(\n\t\t\t\t\t\tduration, track.times[ track.times.length - 1 ] );\n\n\t\t\t}\n\n\t\t\tthis.duration = duration;\n\n\t\t},\n\n\t\ttrim: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\toptimize: function() {\n\n\t\t\tfor ( var i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\t\tthis.tracks[ i ].optimize();\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t// Static methods:\n\n\tObject.assign( AnimationClip, {\n\n\t\tparse: function( json ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tjsonTracks = json.tracks,\n\t\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\t\tfor ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( json.name, json.duration, tracks );\n\n\t\t},\n\n\n\t\ttoJSON: function( clip ) {\n\n\t\t\tvar tracks = [],\n\t\t\t\tclipTracks = clip.tracks;\n\n\t\t\tvar json = {\n\n\t\t\t\t'name': clip.name,\n\t\t\t\t'duration': clip.duration,\n\t\t\t\t'tracks': tracks\n\n\t\t\t};\n\n\t\t\tfor ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn json;\n\n\t\t},\n\n\n\t\tCreateFromMorphTargetSequence: function( name, morphTargetSequence, fps, noLoop ) {\n\n\t\t\tvar numMorphTargets = morphTargetSequence.length;\n\t\t\tvar tracks = [];\n\n\t\t\tfor ( var i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\t\tvar times = [];\n\t\t\t\tvar values = [];\n\n\t\t\t\ttimes.push(\n\t\t\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\t\t\ti,\n\t\t\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\t\tvar order = AnimationUtils.getKeyframeOrder( times );\n\t\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t\t// last frame as well for perfect loop.\n\t\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t\t}\n\n\t\t\t\ttracks.push(\n\t\t\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\t\t\ttimes, values\n\t\t\t\t\t\t).scale( 1.0 / fps ) );\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, -1, tracks );\n\n\t\t},\n\n\t\tfindByName: function( objectOrClipArray, name ) {\n\n\t\t\tvar clipArray = objectOrClipArray;\n\n\t\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\t\tvar o = objectOrClipArray;\n\t\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\t\treturn clipArray[ i ];\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\tCreateClipsFromMorphTargetSequences: function( morphTargets, fps, noLoop ) {\n\n\t\t\tvar animationToMorphTargets = {};\n\n\t\t\t// tested with https://regex101.com/ on trick sequences\n\t\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\t\tvar pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t\t// sort morph target names into animation groups based\n\t\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\t\tfor ( var i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\t\tvar morphTarget = morphTargets[ i ];\n\t\t\t\tvar parts = morphTarget.name.match( pattern );\n\n\t\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\t\tvar name = parts[ 1 ];\n\n\t\t\t\t\tvar animationMorphTargets = animationToMorphTargets[ name ];\n\t\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar clips = [];\n\n\t\t\tfor ( var name in animationToMorphTargets ) {\n\n\t\t\t\tclips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t\t}\n\n\t\t\treturn clips;\n\n\t\t},\n\n\t\t// parse the animation.hierarchy format\n\t\tparseAnimation: function( animation, bones ) {\n\n\t\t\tif ( ! animation ) {\n\n\t\t\t\tconsole.error( \" no animation in JSONLoader data\" );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar addNonemptyTrack = function(\n\t\t\t\t\ttrackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t\t// only return track if there are actually keys.\n\t\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\t\tvar times = [];\n\t\t\t\t\tvar values = [];\n\n\t\t\t\t\tAnimationUtils.flattenJSON(\n\t\t\t\t\t\t\tanimationKeys, times, values, propertyName );\n\n\t\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t\tvar tracks = [];\n\n\t\t\tvar clipName = animation.name || 'default';\n\t\t\t// automatic length determination in AnimationClip.\n\t\t\tvar duration = animation.length || -1;\n\t\t\tvar fps = animation.fps || 30;\n\n\t\t\tvar hierarchyTracks = animation.hierarchy || [];\n\n\t\t\tfor ( var h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\t\tvar animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t\t// skip empty tracks\n\t\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t\t// process morph targets in a way exactly compatible\n\t\t\t\t// with AnimationHandler.init( animation )\n\t\t\t\tif ( animationKeys[0].morphTargets ) {\n\n\t\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\t\tvar morphTargetNames = {};\n\t\t\t\t\tfor ( var k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\t\tif ( animationKeys[k].morphTargets ) {\n\n\t\t\t\t\t\t\tfor ( var m = 0; m < animationKeys[k].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[k].morphTargets[m] ] = -1;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t\t// the morphTarget is named.\n\t\t\t\t\tfor ( var morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\t\tvar times = [];\n\t\t\t\t\t\tvar values = [];\n\n\t\t\t\t\t\tfor ( var m = 0;\n\t\t\t\t\t\t\t\tm !== animationKeys[k].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\t\tvar animationKey = animationKeys[k];\n\n\t\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttracks.push( new NumberKeyframeTrack(\n\t\t\t\t\t\t\t\t'.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t\t} else {\n\t\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\t\tvar boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\t\taddNonemptyTrack(\n\t\t\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( tracks.length === 0 ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tvar clip = new AnimationClip( clipName, duration, tracks );\n\n\t\t\treturn clip;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction MaterialLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.textures = {};\n\n\t}\n\n\tObject.assign( MaterialLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTextures: function ( value ) {\n\n\t\t\tthis.textures = value;\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar textures = this.textures;\n\n\t\t\tfunction getTexture( name ) {\n\n\t\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t\t}\n\n\t\t\t\treturn textures[ name ];\n\n\t\t\t}\n\n\t\t\tvar material = new Materials[ json.type ]();\n\n\t\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\t\tif ( json.color !== undefined ) material.color.setHex( json.color );\n\t\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\t\tif ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\t\tif ( json.specular !== undefined ) material.specular.setHex( json.specular );\n\t\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\t\tif ( json.uniforms !== undefined ) material.uniforms = json.uniforms;\n\t\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\t\tif ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;\n\t\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\t\tif ( json.shading !== undefined ) material.shading = json.shading;\n\t\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\t\t\tif ( json.skinning !== undefined ) material.skinning = json.skinning;\n\t\t\tif ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;\n\n\t\t\t// for PointsMaterial\n\n\t\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t\t// maps\n\n\t\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\n\t\t\tif ( json.alphaMap !== undefined ) {\n\n\t\t\t\tmaterial.alphaMap = getTexture( json.alphaMap );\n\t\t\t\tmaterial.transparent = true;\n\n\t\t\t}\n\n\t\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\t\tvar normalScale = json.normalScale;\n\n\t\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t\t}\n\n\t\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t\t}\n\n\t\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\n\t\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\n\t\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\n\t\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\t\t// MultiMaterial\n\n\t\t\tif ( json.materials !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.materials.length; i < l; i ++ ) {\n\n\t\t\t\t\tmaterial.materials.push( this.parse( json.materials[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BufferGeometryLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( BufferGeometryLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\tvar geometry = new BufferGeometry();\n\n\t\t\tvar index = json.data.index;\n\n\t\t\tvar TYPED_ARRAYS = {\n\t\t\t\t'Int8Array': Int8Array,\n\t\t\t\t'Uint8Array': Uint8Array,\n\t\t\t\t'Uint8ClampedArray': Uint8ClampedArray,\n\t\t\t\t'Int16Array': Int16Array,\n\t\t\t\t'Uint16Array': Uint16Array,\n\t\t\t\t'Int32Array': Int32Array,\n\t\t\t\t'Uint32Array': Uint32Array,\n\t\t\t\t'Float32Array': Float32Array,\n\t\t\t\t'Float64Array': Float64Array\n\t\t\t};\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ index.type ]( index.array );\n\t\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tvar attributes = json.data.attributes;\n\n\t\t\tfor ( var key in attributes ) {\n\n\t\t\t\tvar attribute = attributes[ key ];\n\t\t\t\tvar typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );\n\n\t\t\t\tgeometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );\n\n\t\t\t}\n\n\t\t\tvar groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\t\tif ( groups !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar group = groups[ i ];\n\n\t\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar boundingSphere = json.data.boundingSphere;\n\n\t\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\t\tvar center = new Vector3();\n\n\t\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Loader() {\n\n\t\tthis.onLoadStart = function () {};\n\t\tthis.onLoadProgress = function () {};\n\t\tthis.onLoadComplete = function () {};\n\n\t}\n\n\tLoader.prototype = {\n\n\t\tconstructor: Loader,\n\n\t\tcrossOrigin: undefined,\n\n\t\textractUrlBase: function ( url ) {\n\n\t\t\tvar parts = url.split( '/' );\n\n\t\t\tif ( parts.length === 1 ) return './';\n\n\t\t\tparts.pop();\n\n\t\t\treturn parts.join( '/' ) + '/';\n\n\t\t},\n\n\t\tinitMaterials: function ( materials, texturePath, crossOrigin ) {\n\n\t\t\tvar array = [];\n\n\t\t\tfor ( var i = 0; i < materials.length; ++ i ) {\n\n\t\t\t\tarray[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t},\n\n\t\tcreateMaterial: ( function () {\n\n\t\t\tvar color, textureLoader, materialLoader;\n\n\t\t\treturn function createMaterial( m, texturePath, crossOrigin ) {\n\n\t\t\t\tif ( color === undefined ) color = new Color();\n\t\t\t\tif ( textureLoader === undefined ) textureLoader = new TextureLoader();\n\t\t\t\tif ( materialLoader === undefined ) materialLoader = new MaterialLoader();\n\n\t\t\t\t// convert from old material format\n\n\t\t\t\tvar textures = {};\n\n\t\t\t\tfunction loadTexture( path, repeat, offset, wrap, anisotropy ) {\n\n\t\t\t\t\tvar fullPath = texturePath + path;\n\t\t\t\t\tvar loader = Loader.Handlers.get( fullPath );\n\n\t\t\t\t\tvar texture;\n\n\t\t\t\t\tif ( loader !== null ) {\n\n\t\t\t\t\t\ttexture = loader.load( fullPath );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttextureLoader.setCrossOrigin( crossOrigin );\n\t\t\t\t\t\ttexture = textureLoader.load( fullPath );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( repeat !== undefined ) {\n\n\t\t\t\t\t\ttexture.repeat.fromArray( repeat );\n\n\t\t\t\t\t\tif ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( offset !== undefined ) {\n\n\t\t\t\t\t\ttexture.offset.fromArray( offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( wrap !== undefined ) {\n\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;\n\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;\n\t\t\t\t\t\tif ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( anisotropy !== undefined ) {\n\n\t\t\t\t\t\ttexture.anisotropy = anisotropy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar uuid = _Math.generateUUID();\n\n\t\t\t\t\ttextures[ uuid ] = texture;\n\n\t\t\t\t\treturn uuid;\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tvar json = {\n\t\t\t\t\tuuid: _Math.generateUUID(),\n\t\t\t\t\ttype: 'MeshLambertMaterial'\n\t\t\t\t};\n\n\t\t\t\tfor ( var name in m ) {\n\n\t\t\t\t\tvar value = m[ name ];\n\n\t\t\t\t\tswitch ( name ) {\n\t\t\t\t\t\tcase 'DbgColor':\n\t\t\t\t\t\tcase 'DbgIndex':\n\t\t\t\t\t\tcase 'opticalDensity':\n\t\t\t\t\t\tcase 'illumination':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'DbgName':\n\t\t\t\t\t\t\tjson.name = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'blending':\n\t\t\t\t\t\t\tjson.blending = BlendingMode[ value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorAmbient':\n\t\t\t\t\t\tcase 'mapAmbient':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorDiffuse':\n\t\t\t\t\t\t\tjson.color = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorSpecular':\n\t\t\t\t\t\t\tjson.specular = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'colorEmissive':\n\t\t\t\t\t\t\tjson.emissive = color.fromArray( value ).getHex();\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'specularCoef':\n\t\t\t\t\t\t\tjson.shininess = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'shading':\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';\n\t\t\t\t\t\t\tif ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuse':\n\t\t\t\t\t\t\tjson.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapDiffuseRepeat':\n\t\t\t\t\t\tcase 'mapDiffuseOffset':\n\t\t\t\t\t\tcase 'mapDiffuseWrap':\n\t\t\t\t\t\tcase 'mapDiffuseAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissive':\n\t\t\t\t\t\t\tjson.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapEmissiveRepeat':\n\t\t\t\t\t\tcase 'mapEmissiveOffset':\n\t\t\t\t\t\tcase 'mapEmissiveWrap':\n\t\t\t\t\t\tcase 'mapEmissiveAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLight':\n\t\t\t\t\t\t\tjson.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapLightRepeat':\n\t\t\t\t\t\tcase 'mapLightOffset':\n\t\t\t\t\t\tcase 'mapLightWrap':\n\t\t\t\t\t\tcase 'mapLightAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAO':\n\t\t\t\t\t\t\tjson.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAORepeat':\n\t\t\t\t\t\tcase 'mapAOOffset':\n\t\t\t\t\t\tcase 'mapAOWrap':\n\t\t\t\t\t\tcase 'mapAOAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBump':\n\t\t\t\t\t\t\tjson.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpScale':\n\t\t\t\t\t\t\tjson.bumpScale = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapBumpRepeat':\n\t\t\t\t\t\tcase 'mapBumpOffset':\n\t\t\t\t\t\tcase 'mapBumpWrap':\n\t\t\t\t\t\tcase 'mapBumpAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormal':\n\t\t\t\t\t\t\tjson.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalFactor':\n\t\t\t\t\t\t\tjson.normalScale = [ value, value ];\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapNormalRepeat':\n\t\t\t\t\t\tcase 'mapNormalOffset':\n\t\t\t\t\t\tcase 'mapNormalWrap':\n\t\t\t\t\t\tcase 'mapNormalAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecular':\n\t\t\t\t\t\t\tjson.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapSpecularRepeat':\n\t\t\t\t\t\tcase 'mapSpecularOffset':\n\t\t\t\t\t\tcase 'mapSpecularWrap':\n\t\t\t\t\t\tcase 'mapSpecularAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalness':\n\t\t\t\t\t\t\tjson.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapMetalnessRepeat':\n\t\t\t\t\t\tcase 'mapMetalnessOffset':\n\t\t\t\t\t\tcase 'mapMetalnessWrap':\n\t\t\t\t\t\tcase 'mapMetalnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughness':\n\t\t\t\t\t\t\tjson.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapRoughnessRepeat':\n\t\t\t\t\t\tcase 'mapRoughnessOffset':\n\t\t\t\t\t\tcase 'mapRoughnessWrap':\n\t\t\t\t\t\tcase 'mapRoughnessAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlpha':\n\t\t\t\t\t\t\tjson.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'mapAlphaRepeat':\n\t\t\t\t\t\tcase 'mapAlphaOffset':\n\t\t\t\t\t\tcase 'mapAlphaWrap':\n\t\t\t\t\t\tcase 'mapAlphaAnisotropy':\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'flipSided':\n\t\t\t\t\t\t\tjson.side = BackSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'doubleSided':\n\t\t\t\t\t\t\tjson.side = DoubleSide;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\t\tconsole.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );\n\t\t\t\t\t\t\tjson.opacity = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'depthTest':\n\t\t\t\t\t\tcase 'depthWrite':\n\t\t\t\t\t\tcase 'colorWrite':\n\t\t\t\t\t\tcase 'opacity':\n\t\t\t\t\t\tcase 'reflectivity':\n\t\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tcase 'visible':\n\t\t\t\t\t\tcase 'wireframe':\n\t\t\t\t\t\t\tjson[ name ] = value;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'vertexColors':\n\t\t\t\t\t\t\tif ( value === true ) json.vertexColors = VertexColors;\n\t\t\t\t\t\t\tif ( value === 'face' ) json.vertexColors = FaceColors;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.Loader.createMaterial: Unsupported', name, value );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.type === 'MeshBasicMaterial' ) delete json.emissive;\n\t\t\t\tif ( json.type !== 'MeshPhongMaterial' ) delete json.specular;\n\n\t\t\t\tif ( json.opacity < 1 ) json.transparent = true;\n\n\t\t\t\tmaterialLoader.setTextures( textures );\n\n\t\t\t\treturn materialLoader.parse( json );\n\n\t\t\t};\n\n\t\t} )()\n\n\t};\n\n\tLoader.Handlers = {\n\n\t\thandlers: [],\n\n\t\tadd: function ( regex, loader ) {\n\n\t\t\tthis.handlers.push( regex, loader );\n\n\t\t},\n\n\t\tget: function ( file ) {\n\n\t\t\tvar handlers = this.handlers;\n\n\t\t\tfor ( var i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tvar regex = handlers[ i ];\n\t\t\t\tvar loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction JSONLoader( manager ) {\n\n\t\tif ( typeof manager === 'boolean' ) {\n\n\t\t\tconsole.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );\n\t\t\tmanager = undefined;\n\n\t\t}\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.withCredentials = false;\n\n\t}\n\n\tObject.assign( JSONLoader.prototype, {\n\n\t\tload: function( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar texturePath = this.texturePath && ( typeof this.texturePath === \"string\" ) ? this.texturePath : Loader.prototype.extractUrlBase( url );\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setWithCredentials( this.withCredentials );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json = JSON.parse( text );\n\t\t\t\tvar metadata = json.metadata;\n\n\t\t\t\tif ( metadata !== undefined ) {\n\n\t\t\t\t\tvar type = metadata.type;\n\n\t\t\t\t\tif ( type !== undefined ) {\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'object' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( type.toLowerCase() === 'scene' ) {\n\n\t\t\t\t\t\t\tconsole.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvar object = scope.parse( json, texturePath );\n\t\t\t\tonLoad( object.geometry, object.materials );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tparse: function ( json, texturePath ) {\n\n\t\t\tvar geometry = new Geometry(),\n\t\t\tscale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;\n\n\t\t\tparseModel( scale );\n\n\t\t\tparseSkin();\n\t\t\tparseMorphing( scale );\n\t\t\tparseAnimations();\n\n\t\t\tgeometry.computeFaceNormals();\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t\tfunction parseModel( scale ) {\n\n\t\t\t\tfunction isBitSet( value, position ) {\n\n\t\t\t\t\treturn value & ( 1 << position );\n\n\t\t\t\t}\n\n\t\t\t\tvar i, j, fi,\n\n\t\t\t\toffset, zLength,\n\n\t\t\tcolorIndex, normalIndex, uvIndex, materialIndex,\n\n\t\t\t\ttype,\n\t\t\t\tisQuad,\n\t\t\t\thasMaterial,\n\t\t\t\thasFaceVertexUv,\n\t\t\t\thasFaceNormal, hasFaceVertexNormal,\n\t\t\t\thasFaceColor, hasFaceVertexColor,\n\n\t\t\tvertex, face, faceA, faceB, hex, normal,\n\n\t\t\t\tuvLayer, uv, u, v,\n\n\t\t\t\tfaces = json.faces,\n\t\t\t\tvertices = json.vertices,\n\t\t\t\tnormals = json.normals,\n\t\t\t\tcolors = json.colors,\n\n\t\t\t\tnUvLayers = 0;\n\n\t\t\t\tif ( json.uvs !== undefined ) {\n\n\t\t\t\t\t// disregard empty arrays\n\n\t\t\t\t\tfor ( i = 0; i < json.uvs.length; i ++ ) {\n\n\t\t\t\t\t\tif ( json.uvs[ i ].length ) nUvLayers ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\tgeometry.faceVertexUvs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = vertices.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\tvertex = new Vector3();\n\n\t\t\t\t\tvertex.x = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.y = vertices[ offset ++ ] * scale;\n\t\t\t\t\tvertex.z = vertices[ offset ++ ] * scale;\n\n\t\t\t\t\tgeometry.vertices.push( vertex );\n\n\t\t\t\t}\n\n\t\t\t\toffset = 0;\n\t\t\t\tzLength = faces.length;\n\n\t\t\t\twhile ( offset < zLength ) {\n\n\t\t\t\t\ttype = faces[ offset ++ ];\n\n\n\t\t\t\t\tisQuad = isBitSet( type, 0 );\n\t\t\t\t\thasMaterial = isBitSet( type, 1 );\n\t\t\t\t\thasFaceVertexUv = isBitSet( type, 3 );\n\t\t\t\t\thasFaceNormal = isBitSet( type, 4 );\n\t\t\t\t\thasFaceVertexNormal = isBitSet( type, 5 );\n\t\t\t\t\thasFaceColor\t = isBitSet( type, 6 );\n\t\t\t\t\thasFaceVertexColor = isBitSet( type, 7 );\n\n\t\t\t\t\t// console.log(\"type\", type, \"bits\", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);\n\n\t\t\t\t\tif ( isQuad ) {\n\n\t\t\t\t\t\tfaceA = new Face3();\n\t\t\t\t\t\tfaceA.a = faces[ offset ];\n\t\t\t\t\t\tfaceA.b = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceA.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\tfaceB = new Face3();\n\t\t\t\t\t\tfaceB.a = faces[ offset + 1 ];\n\t\t\t\t\t\tfaceB.b = faces[ offset + 2 ];\n\t\t\t\t\t\tfaceB.c = faces[ offset + 3 ];\n\n\t\t\t\t\t\toffset += 4;\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tfaceA.materialIndex = materialIndex;\n\t\t\t\t\t\t\tfaceB.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi + 1 ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 4; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tif ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );\n\t\t\t\t\t\t\t\t\tif ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tfaceA.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tfaceB.normal.copy( faceA.normal );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexNormals.push( normal );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\tfaceA.color.setHex( hex );\n\t\t\t\t\t\t\tfaceB.color.setHex( hex );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 4; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\thex = colors[ colorIndex ];\n\n\t\t\t\t\t\t\t\tif ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );\n\t\t\t\t\t\t\t\tif ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( faceA );\n\t\t\t\t\t\tgeometry.faces.push( faceB );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tface = new Face3();\n\t\t\t\t\t\tface.a = faces[ offset ++ ];\n\t\t\t\t\t\tface.b = faces[ offset ++ ];\n\t\t\t\t\t\tface.c = faces[ offset ++ ];\n\n\t\t\t\t\t\tif ( hasMaterial ) {\n\n\t\t\t\t\t\t\tmaterialIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.materialIndex = materialIndex;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// to get face <=> uv index correspondence\n\n\t\t\t\t\t\tfi = geometry.faces.length;\n\n\t\t\t\t\t\tif ( hasFaceVertexUv ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < nUvLayers; i ++ ) {\n\n\t\t\t\t\t\t\t\tuvLayer = json.uvs[ i ];\n\n\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ] = [];\n\n\t\t\t\t\t\t\t\tfor ( j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\t\t\tuvIndex = faces[ offset ++ ];\n\n\t\t\t\t\t\t\t\t\tu = uvLayer[ uvIndex * 2 ];\n\t\t\t\t\t\t\t\t\tv = uvLayer[ uvIndex * 2 + 1 ];\n\n\t\t\t\t\t\t\t\t\tuv = new Vector2( u, v );\n\n\t\t\t\t\t\t\t\t\tgeometry.faceVertexUvs[ i ][ fi ].push( uv );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceNormal ) {\n\n\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\tface.normal.set(\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasFaceVertexNormal ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tnormalIndex = faces[ offset ++ ] * 3;\n\n\t\t\t\t\t\t\t\tnormal = new Vector3(\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ++ ],\n\t\t\t\t\t\t\t\t\tnormals[ normalIndex ]\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tface.vertexNormals.push( normal );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceColor ) {\n\n\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\tface.color.setHex( colors[ colorIndex ] );\n\n\t\t\t\t\t\t}\n\n\n\t\t\t\t\t\tif ( hasFaceVertexColor ) {\n\n\t\t\t\t\t\t\tfor ( i = 0; i < 3; i ++ ) {\n\n\t\t\t\t\t\t\t\tcolorIndex = faces[ offset ++ ];\n\t\t\t\t\t\t\t\tface.vertexColors.push( new Color( colors[ colorIndex ] ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgeometry.faces.push( face );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseSkin() {\n\n\t\t\t\tvar influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;\n\n\t\t\t\tif ( json.skinWeights ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar x = json.skinWeights[ i ];\n\t\t\t\t\t\tvar y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;\n\t\t\t\t\t\tvar z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;\n\t\t\t\t\t\tvar w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinWeights.push( new Vector4( x, y, z, w ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.skinIndices ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {\n\n\t\t\t\t\t\tvar a = json.skinIndices[ i ];\n\t\t\t\t\t\tvar b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;\n\t\t\t\t\t\tvar c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;\n\t\t\t\t\t\tvar d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;\n\n\t\t\t\t\t\tgeometry.skinIndices.push( new Vector4( a, b, c, d ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.bones = json.bones;\n\n\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {\n\n\t\t\t\t\tconsole.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +\n\t\t\t\t\t\tgeometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseMorphing( scale ) {\n\n\t\t\t\tif ( json.morphTargets !== undefined ) {\n\n\t\t\t\t\tfor ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tgeometry.morphTargets[ i ] = {};\n\t\t\t\t\t\tgeometry.morphTargets[ i ].name = json.morphTargets[ i ].name;\n\t\t\t\t\t\tgeometry.morphTargets[ i ].vertices = [];\n\n\t\t\t\t\t\tvar dstVertices = geometry.morphTargets[ i ].vertices;\n\t\t\t\t\t\tvar srcVertices = json.morphTargets[ i ].vertices;\n\n\t\t\t\t\t\tfor ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {\n\n\t\t\t\t\t\t\tvar vertex = new Vector3();\n\t\t\t\t\t\t\tvertex.x = srcVertices[ v ] * scale;\n\t\t\t\t\t\t\tvertex.y = srcVertices[ v + 1 ] * scale;\n\t\t\t\t\t\t\tvertex.z = srcVertices[ v + 2 ] * scale;\n\n\t\t\t\t\t\t\tdstVertices.push( vertex );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.morphColors !== undefined && json.morphColors.length > 0 ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.JSONLoader: \"morphColors\" no longer supported. Using them as face colors.' );\n\n\t\t\t\t\tvar faces = geometry.faces;\n\t\t\t\t\tvar morphColors = json.morphColors[ 0 ].colors;\n\n\t\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tfaces[ i ].color.fromArray( morphColors, i * 3 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction parseAnimations() {\n\n\t\t\t\tvar outputAnimations = [];\n\n\t\t\t\t// parse old style Bone/Hierarchy animations\n\t\t\t\tvar animations = [];\n\n\t\t\t\tif ( json.animation !== undefined ) {\n\n\t\t\t\t\tanimations.push( json.animation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( json.animations !== undefined ) {\n\n\t\t\t\t\tif ( json.animations.length ) {\n\n\t\t\t\t\t\tanimations = animations.concat( json.animations );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tanimations.push( json.animations );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var i = 0; i < animations.length; i ++ ) {\n\n\t\t\t\t\tvar clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );\n\t\t\t\t\tif ( clip ) outputAnimations.push( clip );\n\n\t\t\t\t}\n\n\t\t\t\t// parse implicit morph animations\n\t\t\t\tif ( geometry.morphTargets ) {\n\n\t\t\t\t\t// TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.\n\t\t\t\t\tvar morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );\n\t\t\t\t\toutputAnimations = outputAnimations.concat( morphAnimationClips );\n\n\t\t\t\t}\n\n\t\t\t\tif ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;\n\n\t\t\t}\n\n\t\t\tif ( json.materials === undefined || json.materials.length === 0 ) {\n\n\t\t\t\treturn { geometry: geometry };\n\n\t\t\t} else {\n\n\t\t\t\tvar materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );\n\n\t\t\t\treturn { geometry: geometry, materials: materials };\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction ObjectLoader ( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\t\tthis.texturePath = '';\n\n\t}\n\n\tObject.assign( ObjectLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tif ( this.texturePath === '' ) {\n\n\t\t\t\tthis.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );\n\n\t\t\t}\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( scope.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tscope.parse( JSON.parse( text ), onLoad );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tsetTexturePath: function ( value ) {\n\n\t\t\tthis.texturePath = value;\n\n\t\t},\n\n\t\tsetCrossOrigin: function ( value ) {\n\n\t\t\tthis.crossOrigin = value;\n\n\t\t},\n\n\t\tparse: function ( json, onLoad ) {\n\n\t\t\tvar geometries = this.parseGeometries( json.geometries );\n\n\t\t\tvar images = this.parseImages( json.images, function () {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t} );\n\n\t\t\tvar textures = this.parseTextures( json.textures, images );\n\t\t\tvar materials = this.parseMaterials( json.materials, textures );\n\n\t\t\tvar object = this.parseObject( json.object, geometries, materials );\n\n\t\t\tif ( json.animations ) {\n\n\t\t\t\tobject.animations = this.parseAnimations( json.animations );\n\n\t\t\t}\n\n\t\t\tif ( json.images === undefined || json.images.length === 0 ) {\n\n\t\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t\t}\n\n\t\t\treturn object;\n\n\t\t},\n\n\t\tparseGeometries: function ( json ) {\n\n\t\t\tvar geometries = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar geometryLoader = new JSONLoader();\n\t\t\t\tvar bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar geometry;\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\t\tcase 'PlaneGeometry':\n\t\t\t\t\t\tcase 'PlaneBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BoxGeometry':\n\t\t\t\t\t\tcase 'BoxBufferGeometry':\n\t\t\t\t\t\tcase 'CubeGeometry': // backwards compatible\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.width,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.depth,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.depthSegments\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CircleGeometry':\n\t\t\t\t\t\tcase 'CircleBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'CylinderGeometry':\n\t\t\t\t\t\tcase 'CylinderBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radiusTop,\n\t\t\t\t\t\t\t\tdata.radiusBottom,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'ConeGeometry':\n\t\t\t\t\t\tcase 'ConeBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.height,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.openEnded,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'SphereGeometry':\n\t\t\t\t\t\tcase 'SphereBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.widthSegments,\n\t\t\t\t\t\t\t\tdata.heightSegments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'DodecahedronGeometry':\n\t\t\t\t\t\tcase 'IcosahedronGeometry':\n\t\t\t\t\t\tcase 'OctahedronGeometry':\n\t\t\t\t\t\tcase 'TetrahedronGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.detail\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'RingGeometry':\n\t\t\t\t\t\tcase 'RingBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.innerRadius,\n\t\t\t\t\t\t\t\tdata.outerRadius,\n\t\t\t\t\t\t\t\tdata.thetaSegments,\n\t\t\t\t\t\t\t\tdata.phiSegments,\n\t\t\t\t\t\t\t\tdata.thetaStart,\n\t\t\t\t\t\t\t\tdata.thetaLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusGeometry':\n\t\t\t\t\t\tcase 'TorusBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.arc\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TorusKnotGeometry':\n\t\t\t\t\t\tcase 'TorusKnotBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.radius,\n\t\t\t\t\t\t\t\tdata.tube,\n\t\t\t\t\t\t\t\tdata.tubularSegments,\n\t\t\t\t\t\t\t\tdata.radialSegments,\n\t\t\t\t\t\t\t\tdata.p,\n\t\t\t\t\t\t\t\tdata.q\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'LatheGeometry':\n\t\t\t\t\t\tcase 'LatheBufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = new Geometries[ data.type ](\n\t\t\t\t\t\t\t\tdata.points,\n\t\t\t\t\t\t\t\tdata.segments,\n\t\t\t\t\t\t\t\tdata.phiStart,\n\t\t\t\t\t\t\t\tdata.phiLength\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'BufferGeometry':\n\n\t\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\t\tgeometry = geometryLoader.parse( data.data, this.texturePath ).geometry;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Unsupported geometry type \"' + data.type + '\"' );\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\n\t\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn geometries;\n\n\t\t},\n\n\t\tparseMaterials: function ( json, textures ) {\n\n\t\t\tvar materials = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tvar loader = new MaterialLoader();\n\t\t\t\tloader.setTextures( textures );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar material = loader.parse( json[ i ] );\n\t\t\t\t\tmaterials[ material.uuid ] = material;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t},\n\n\t\tparseAnimations: function ( json ) {\n\n\t\t\tvar animations = [];\n\n\t\t\tfor ( var i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tvar clip = AnimationClip.parse( json[ i ] );\n\n\t\t\t\tanimations.push( clip );\n\n\t\t\t}\n\n\t\t\treturn animations;\n\n\t\t},\n\n\t\tparseImages: function ( json, onLoad ) {\n\n\t\t\tvar scope = this;\n\t\t\tvar images = {};\n\n\t\t\tfunction loadImage( url ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\treturn loader.load( url, function () {\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, undefined, function () {\n\n\t\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\t\tvar manager = new LoadingManager( onLoad );\n\n\t\t\t\tvar loader = new ImageLoader( manager );\n\t\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar image = json[ i ];\n\t\t\t\t\tvar path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;\n\n\t\t\t\t\timages[ image.uuid ] = loadImage( path );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn images;\n\n\t\t},\n\n\t\tparseTextures: function ( json, images ) {\n\n\t\t\tfunction parseConstant( value, type ) {\n\n\t\t\t\tif ( typeof( value ) === 'number' ) return value;\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\t\treturn type[ value ];\n\n\t\t\t}\n\n\t\t\tvar textures = {};\n\n\t\t\tif ( json !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar data = json[ i ];\n\n\t\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar texture = new Texture( images[ data.image ] );\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TextureMapping );\n\n\t\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TextureWrapping );\n\t\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TextureWrapping );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TextureFilter );\n\t\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TextureFilter );\n\t\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn textures;\n\n\t\t},\n\n\t\tparseObject: function () {\n\n\t\t\tvar matrix = new Matrix4();\n\n\t\t\treturn function parseObject( data, geometries, materials ) {\n\n\t\t\t\tvar object;\n\n\t\t\t\tfunction getGeometry( name ) {\n\n\t\t\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn geometries[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tfunction getMaterial( name ) {\n\n\t\t\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn materials[ name ];\n\n\t\t\t\t}\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'Scene':\n\n\t\t\t\t\t\tobject = new Scene();\n\n\t\t\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'AmbientLight':\n\n\t\t\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'DirectionalLight':\n\n\t\t\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointLight':\n\n\t\t\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'SpotLight':\n\n\t\t\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'HemisphereLight':\n\n\t\t\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Mesh':\n\n\t\t\t\t\t\tvar geometry = getGeometry( data.geometry );\n\t\t\t\t\t\tvar material = getMaterial( data.material );\n\n\t\t\t\t\t\tif ( geometry.bones && geometry.bones.length > 0 ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LOD':\n\n\t\t\t\t\t\tobject = new LOD();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Line':\n\n\t\t\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'LineSegments':\n\n\t\t\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'PointCloud':\n\t\t\t\t\tcase 'Points':\n\n\t\t\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Sprite':\n\n\t\t\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Group':\n\n\t\t\t\t\t\tobject = new Group();\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tobject = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t\tobject.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) object.name = data.name;\n\t\t\t\tif ( data.matrix !== undefined ) {\n\n\t\t\t\t\tmatrix.fromArray( data.matrix );\n\t\t\t\t\tmatrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\t\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\t\t\tif ( data.shadow ) {\n\n\t\t\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\t\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\n\t\t\t\tif ( data.children !== undefined ) {\n\n\t\t\t\t\tfor ( var child in data.children ) {\n\n\t\t\t\t\t\tobject.add( this.parseObject( data.children[ child ], geometries, materials ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.type === 'LOD' ) {\n\n\t\t\t\t\tvar levels = data.levels;\n\n\t\t\t\t\tfor ( var l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\t\t\tvar level = levels[ l ];\n\t\t\t\t\t\tvar child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn object;\n\n\t\t\t};\n\n\t\t}()\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Extensible curve object\n\t *\n\t * Some common of Curve methods\n\t * .getPoint(t), getTangent(t)\n\t * .getPointAt(u), getTangentAt(u)\n\t * .getPoints(), .getSpacedPoints()\n\t * .getLength()\n\t * .updateArcLengths()\n\t *\n\t * This following classes subclasses THREE.Curve:\n\t *\n\t * -- 2d classes --\n\t * THREE.LineCurve\n\t * THREE.QuadraticBezierCurve\n\t * THREE.CubicBezierCurve\n\t * THREE.SplineCurve\n\t * THREE.ArcCurve\n\t * THREE.EllipseCurve\n\t *\n\t * -- 3d classes --\n\t * THREE.LineCurve3\n\t * THREE.QuadraticBezierCurve3\n\t * THREE.CubicBezierCurve3\n\t * THREE.SplineCurve3\n\t *\n\t * A series of curves can be represented as a THREE.CurvePath\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tAbstract Curve base class\n\t **************************************************************/\n\n\tfunction Curve() {}\n\n\tCurve.prototype = {\n\n\t\tconstructor: Curve,\n\n\t\t// Virtual base class method to overwrite and implement in subclasses\n\t\t//\t- t [0 .. 1]\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tconsole.warn( \"THREE.Curve: Warning, getPoint() not implemented!\" );\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// Get point at relative position in curve according to arc length\n\t\t// - u [0 .. 1]\n\n\t\tgetPointAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getPoint( t );\n\n\t\t},\n\n\t\t// Get sequence of points using getPoint( t )\n\n\t\tgetPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get sequence of points using getPointAt( u )\n\n\t\tgetSpacedPoints: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = 5;\n\n\t\t\tvar points = [];\n\n\t\t\tfor ( var d = 0; d <= divisions; d ++ ) {\n\n\t\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t// Get total curve arc length\n\n\t\tgetLength: function () {\n\n\t\t\tvar lengths = this.getLengths();\n\t\t\treturn lengths[ lengths.length - 1 ];\n\n\t\t},\n\n\t\t// Get list of cumulative segment lengths\n\n\t\tgetLengths: function ( divisions ) {\n\n\t\t\tif ( ! divisions ) divisions = ( this.__arcLengthDivisions ) ? ( this.__arcLengthDivisions ) : 200;\n\n\t\t\tif ( this.cacheArcLengths\n\t\t\t\t&& ( this.cacheArcLengths.length === divisions + 1 )\n\t\t\t\t&& ! this.needsUpdate ) {\n\n\t\t\t\t//console.log( \"cached\", this.cacheArcLengths );\n\t\t\t\treturn this.cacheArcLengths;\n\n\t\t\t}\n\n\t\t\tthis.needsUpdate = false;\n\n\t\t\tvar cache = [];\n\t\t\tvar current, last = this.getPoint( 0 );\n\t\t\tvar p, sum = 0;\n\n\t\t\tcache.push( 0 );\n\n\t\t\tfor ( p = 1; p <= divisions; p ++ ) {\n\n\t\t\t\tcurrent = this.getPoint ( p / divisions );\n\t\t\t\tsum += current.distanceTo( last );\n\t\t\t\tcache.push( sum );\n\t\t\t\tlast = current;\n\n\t\t\t}\n\n\t\t\tthis.cacheArcLengths = cache;\n\n\t\t\treturn cache; // { sums: cache, sum:sum }; Sum is in the last element.\n\n\t\t},\n\n\t\tupdateArcLengths: function() {\n\n\t\t\tthis.needsUpdate = true;\n\t\t\tthis.getLengths();\n\n\t\t},\n\n\t\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\t\tgetUtoTmapping: function ( u, distance ) {\n\n\t\t\tvar arcLengths = this.getLengths();\n\n\t\t\tvar i = 0, il = arcLengths.length;\n\n\t\t\tvar targetArcLength; // The targeted u distance value to get\n\n\t\t\tif ( distance ) {\n\n\t\t\t\ttargetArcLength = distance;\n\n\t\t\t} else {\n\n\t\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t\t}\n\n\t\t\t//var time = Date.now();\n\n\t\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\t\tvar low = 0, high = il - 1, comparison;\n\n\t\t\twhile ( low <= high ) {\n\n\t\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\t\tlow = i + 1;\n\n\t\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\t\thigh = i - 1;\n\n\t\t\t\t} else {\n\n\t\t\t\t\thigh = i;\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// DONE\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ti = high;\n\n\t\t\t//console.log('b' , i, low, high, Date.now()- time);\n\n\t\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\t\tvar t = i / ( il - 1 );\n\t\t\t\treturn t;\n\n\t\t\t}\n\n\t\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\t\tvar lengthBefore = arcLengths[ i ];\n\t\t\tvar lengthAfter = arcLengths[ i + 1 ];\n\n\t\t\tvar segmentLength = lengthAfter - lengthBefore;\n\n\t\t\t// determine where we are between the 'before' and 'after' points\n\n\t\t\tvar segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t\t// add that fractional amount to t\n\n\t\t\tvar t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\t\treturn t;\n\n\t\t},\n\n\t\t// Returns a unit vector tangent at t\n\t\t// In case any sub curve does not implement its tangent derivation,\n\t\t// 2 points a small delta apart will be used to find its gradient\n\t\t// which seems to give a reasonable approximation\n\n\t\tgetTangent: function( t ) {\n\n\t\t\tvar delta = 0.0001;\n\t\t\tvar t1 = t - delta;\n\t\t\tvar t2 = t + delta;\n\n\t\t\t// Capping in case of danger\n\n\t\t\tif ( t1 < 0 ) t1 = 0;\n\t\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\t\tvar pt1 = this.getPoint( t1 );\n\t\t\tvar pt2 = this.getPoint( t2 );\n\n\t\t\tvar vec = pt2.clone().sub( pt1 );\n\t\t\treturn vec.normalize();\n\n\t\t},\n\n\t\tgetTangentAt: function ( u ) {\n\n\t\t\tvar t = this.getUtoTmapping( u );\n\t\t\treturn this.getTangent( t );\n\n\t\t},\n\n\t\tcomputeFrenetFrames: function ( segments, closed ) {\n\n\t\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\t\tvar normal = new Vector3();\n\n\t\t\tvar tangents = [];\n\t\t\tvar normals = [];\n\t\t\tvar binormals = [];\n\n\t\t\tvar vec = new Vector3();\n\t\t\tvar mat = new Matrix4();\n\n\t\t\tvar i, u, theta;\n\n\t\t\t// compute the tangent vectors for each segment on the curve\n\n\t\t\tfor ( i = 0; i <= segments; i ++ ) {\n\n\t\t\t\tu = i / segments;\n\n\t\t\t\ttangents[ i ] = this.getTangentAt( u );\n\t\t\t\ttangents[ i ].normalize();\n\n\t\t\t}\n\n\t\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t\t// and in the direction of the minimum tangent xyz component\n\n\t\t\tnormals[ 0 ] = new Vector3();\n\t\t\tbinormals[ 0 ] = new Vector3();\n\t\t\tvar min = Number.MAX_VALUE;\n\t\t\tvar tx = Math.abs( tangents[ 0 ].x );\n\t\t\tvar ty = Math.abs( tangents[ 0 ].y );\n\t\t\tvar tz = Math.abs( tangents[ 0 ].z );\n\n\t\t\tif ( tx <= min ) {\n\n\t\t\t\tmin = tx;\n\t\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t\t}\n\n\t\t\tif ( ty <= min ) {\n\n\t\t\t\tmin = ty;\n\t\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t\t}\n\n\t\t\tif ( tz <= min ) {\n\n\t\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t\t}\n\n\t\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\t\tvec.normalize();\n\n\t\t\t\t\ttheta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t\t}\n\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\t\tif ( closed === true ) {\n\n\t\t\t\ttheta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\t\ttheta /= segments;\n\n\t\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\t\ttheta = - theta;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t\t// twist a little...\n\t\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttangents: tangents,\n\t\t\t\tnormals: normals,\n\t\t\t\tbinormals: binormals\n\t\t\t};\n\n\t\t}\n\n\t};\n\n\t// TODO: Transformation for Curves?\n\n\t/**************************************************************\n\t *\t3D Curves\n\t **************************************************************/\n\n\t// A Factory method for creating new curve subclasses\n\n\tCurve.create = function ( constructor, getPointFunc ) {\n\n\t\tconstructor.prototype = Object.create( Curve.prototype );\n\t\tconstructor.prototype.constructor = constructor;\n\t\tconstructor.prototype.getPoint = getPointFunc;\n\n\t\treturn constructor;\n\n\t};\n\n\t/**************************************************************\n\t *\tLine\n\t **************************************************************/\n\n\tfunction LineCurve( v1, v2 ) {\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tLineCurve.prototype = Object.create( Curve.prototype );\n\tLineCurve.prototype.constructor = LineCurve;\n\n\tLineCurve.prototype.isLineCurve = true;\n\n\tLineCurve.prototype.getPoint = function ( t ) {\n\n\t\tif ( t === 1 ) {\n\n\t\t\treturn this.v2.clone();\n\n\t\t}\n\n\t\tvar point = this.v2.clone().sub( this.v1 );\n\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\treturn point;\n\n\t};\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\n\tLineCurve.prototype.getPointAt = function ( u ) {\n\n\t\treturn this.getPoint( u );\n\n\t};\n\n\tLineCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangent = this.v2.clone().sub( this.v1 );\n\n\t\treturn tangent.normalize();\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t *\n\t **/\n\n\t/**************************************************************\n\t *\tCurved Path - a curve path is simply a array of connected\n\t * curves, but retains the api of a curve\n\t **************************************************************/\n\n\tfunction CurvePath() {\n\n\t\tthis.curves = [];\n\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tCurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {\n\n\t\tconstructor: CurvePath,\n\n\t\tadd: function ( curve ) {\n\n\t\t\tthis.curves.push( curve );\n\n\t\t},\n\n\t\tclosePath: function () {\n\n\t\t\t// Add a line curve if start and end of lines are not connected\n\t\t\tvar startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\t\tvar endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tgetPoint: function ( t ) {\n\n\t\t\tvar d = t * this.getLength();\n\t\t\tvar curveLengths = this.getCurveLengths();\n\t\t\tvar i = 0;\n\n\t\t\t// To think about boundaries points.\n\n\t\t\twhile ( i < curveLengths.length ) {\n\n\t\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\t\tvar diff = curveLengths[ i ] - d;\n\t\t\t\t\tvar curve = this.curves[ i ];\n\n\t\t\t\t\tvar segmentLength = curve.getLength();\n\t\t\t\t\tvar u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t\t// loop where sum != 0, sum > d , sum+1 1 && !points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\t\tpoints.push( points[ 0 ] );\n\n\t\t\t}\n\n\t\t\treturn points;\n\n\t\t},\n\n\t\t/**************************************************************\n\t\t *\tCreate Geometries Helpers\n\t\t **************************************************************/\n\n\t\t/// Generate geometry from path points (for Line or Points objects)\n\n\t\tcreatePointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\t// Generate geometry from equidistant sampling along the path\n\n\t\tcreateSpacedPointsGeometry: function ( divisions ) {\n\n\t\t\tvar pts = this.getSpacedPoints( divisions );\n\t\t\treturn this.createGeometry( pts );\n\n\t\t},\n\n\t\tcreateGeometry: function ( points ) {\n\n\t\t\tvar geometry = new Geometry();\n\n\t\t\tfor ( var i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tvar point = points[ i ];\n\t\t\t\tgeometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t} );\n\n\t/**************************************************************\n\t *\tEllipse curve\n\t **************************************************************/\n\n\tfunction EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation || 0;\n\n\t}\n\n\tEllipseCurve.prototype = Object.create( Curve.prototype );\n\tEllipseCurve.prototype.constructor = EllipseCurve;\n\n\tEllipseCurve.prototype.isEllipseCurve = true;\n\n\tEllipseCurve.prototype.getPoint = function( t ) {\n\n\t\tvar twoPi = Math.PI * 2;\n\t\tvar deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tvar samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tvar angle = this.aStartAngle + t * deltaAngle;\n\t\tvar x = this.aX + this.xRadius * Math.cos( angle );\n\t\tvar y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tvar cos = Math.cos( this.aRotation );\n\t\t\tvar sin = Math.sin( this.aRotation );\n\n\t\t\tvar tx = x - this.aX;\n\t\t\tvar ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn new Vector2( x, y );\n\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t */\n\n\tvar CurveUtils = {\n\n\t\ttangentQuadraticBezier: function ( t, p0, p1, p2 ) {\n\n\t\t\treturn 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );\n\n\t\t},\n\n\t\t// Puay Bing, thanks for helping with this derivative!\n\n\t\ttangentCubicBezier: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\treturn - 3 * p0 * ( 1 - t ) * ( 1 - t ) +\n\t\t\t\t3 * p1 * ( 1 - t ) * ( 1 - t ) - 6 * t * p1 * ( 1 - t ) +\n\t\t\t\t6 * t * p2 * ( 1 - t ) - 3 * t * t * p2 +\n\t\t\t\t3 * t * t * p3;\n\n\t\t},\n\n\t\ttangentSpline: function ( t, p0, p1, p2, p3 ) {\n\n\t\t\t// To check if my formulas are correct\n\n\t\t\tvar h00 = 6 * t * t - 6 * t; \t// derived from 2t^3 − 3t^2 + 1\n\t\t\tvar h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t\n\t\t\tvar h01 = - 6 * t * t + 6 * t; \t// − 2t3 + 3t2\n\t\t\tvar h11 = 3 * t * t - 2 * t;\t// t3 − t2\n\n\t\t\treturn h00 + h10 + h01 + h11;\n\n\t\t},\n\n\t\t// Catmull-Rom\n\n\t\tinterpolate: function( p0, p1, p2, p3, t ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5;\n\t\t\tvar v1 = ( p3 - p1 ) * 0.5;\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t * t2;\n\t\t\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t};\n\n\t/**************************************************************\n\t *\tSpline curve\n\t **************************************************************/\n\n\tfunction SplineCurve( points /* array of Vector2 */ ) {\n\n\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t}\n\n\tSplineCurve.prototype = Object.create( Curve.prototype );\n\tSplineCurve.prototype.constructor = SplineCurve;\n\n\tSplineCurve.prototype.isSplineCurve = true;\n\n\tSplineCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar points = this.points;\n\t\tvar point = ( points.length - 1 ) * t;\n\n\t\tvar intPoint = Math.floor( point );\n\t\tvar weight = point - intPoint;\n\n\t\tvar point0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tvar point1 = points[ intPoint ];\n\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\treturn new Vector2(\n\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight )\n\t\t);\n\n\t};\n\n\t/**************************************************************\n\t *\tCubic Bezier curve\n\t **************************************************************/\n\n\tfunction CubicBezierCurve( v0, v1, v2, v3 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tCubicBezierCurve.prototype = Object.create( Curve.prototype );\n\tCubicBezierCurve.prototype.constructor = CubicBezierCurve;\n\n\tCubicBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b3 = ShapeUtils.b3;\n\n\t\treturn new Vector2(\n\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t);\n\n\t};\n\n\tCubicBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentCubicBezier = CurveUtils.tangentCubicBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\ttangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y )\n\t\t).normalize();\n\n\t};\n\n\t/**************************************************************\n\t *\tQuadratic Bezier curve\n\t **************************************************************/\n\n\n\tfunction QuadraticBezierCurve( v0, v1, v2 ) {\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tQuadraticBezierCurve.prototype = Object.create( Curve.prototype );\n\tQuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;\n\n\n\tQuadraticBezierCurve.prototype.getPoint = function ( t ) {\n\n\t\tvar b2 = ShapeUtils.b2;\n\n\t\treturn new Vector2(\n\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t);\n\n\t};\n\n\n\tQuadraticBezierCurve.prototype.getTangent = function( t ) {\n\n\t\tvar tangentQuadraticBezier = CurveUtils.tangentQuadraticBezier;\n\n\t\treturn new Vector2(\n\t\t\ttangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\ttangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y )\n\t\t).normalize();\n\n\t};\n\n\tvar PathPrototype = Object.assign( Object.create( CurvePath.prototype ), {\n\n\t\tfromPoints: function ( vectors ) {\n\n\t\t\tthis.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );\n\n\t\t\tfor ( var i = 1, l = vectors.length; i < l; i ++ ) {\n\n\t\t\t\tthis.lineTo( vectors[ i ].x, vectors[ i ].y );\n\n\t\t\t}\n\n\t\t},\n\n\t\tmoveTo: function ( x, y ) {\n\n\t\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\t},\n\n\t\tlineTo: function ( x, y ) {\n\n\t\t\tvar curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( x, y );\n\n\t\t},\n\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\n\t\t\tvar curve = new QuadraticBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\t\tvar curve = new CubicBezierCurve(\n\t\t\t\tthis.currentPoint.clone(),\n\t\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\t\tnew Vector2( aX, aY )\n\t\t\t);\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.set( aX, aY );\n\n\t\t},\n\n\t\tsplineThru: function ( pts /*Array of Vector*/ ) {\n\n\t\t\tvar npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\t\tvar curve = new SplineCurve( npts );\n\t\t\tthis.curves.push( curve );\n\n\t\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\t},\n\n\t\tarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tabsarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t},\n\n\t\tellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar x0 = this.currentPoint.x;\n\t\t\tvar y0 = this.currentPoint.y;\n\n\t\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t},\n\n\t\tabsellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\t\tvar curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t\t// if a previous curve is present, attempt to join\n\t\t\t\tvar firstPoint = curve.getPoint( 0 );\n\n\t\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.curves.push( curve );\n\n\t\t\tvar lastPoint = curve.getPoint( 1 );\n\t\t\tthis.currentPoint.copy( lastPoint );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Defines a 2d shape plane using paths.\n\t **/\n\n\t// STEP 1 Create a path.\n\t// STEP 2 Turn path into shape.\n\t// STEP 3 ExtrudeGeometry takes in Shape/Shapes\n\t// STEP 3a - Extract points from each shape, turn to vertices\n\t// STEP 3b - Triangulate each shape, add faces.\n\n\tfunction Shape() {\n\n\t\tPath.apply( this, arguments );\n\n\t\tthis.holes = [];\n\n\t}\n\n\tShape.prototype = Object.assign( Object.create( PathPrototype ), {\n\n\t\tconstructor: Shape,\n\n\t\tgetPointsHoles: function ( divisions ) {\n\n\t\t\tvar holesPts = [];\n\n\t\t\tfor ( var i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t\t}\n\n\t\t\treturn holesPts;\n\n\t\t},\n\n\t\t// Get points of shape and holes (keypoints based on segments parameter)\n\n\t\textractAllPoints: function ( divisions ) {\n\n\t\t\treturn {\n\n\t\t\t\tshape: this.getPoints( divisions ),\n\t\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t\t};\n\n\t\t},\n\n\t\textractPoints: function ( divisions ) {\n\n\t\t\treturn this.extractAllPoints( divisions );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * Creates free form 2d path using series of points, lines or curves.\n\t *\n\t **/\n\n\tfunction Path( points ) {\n\n\t\tCurvePath.call( this );\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.fromPoints( points );\n\n\t\t}\n\n\t}\n\n\tPath.prototype = PathPrototype;\n\tPathPrototype.constructor = Path;\n\n\n\t// minimal class for proxing functions to Path. Replaces old \"extractSubpaths()\"\n\tfunction ShapePath() {\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\t}\n\n\tShapePath.prototype = {\n\t\tmoveTo: function ( x, y ) {\n\t\t\tthis.currentPath = new Path();\n\t\t\tthis.subPaths.push(this.currentPath);\n\t\t\tthis.currentPath.moveTo( x, y );\n\t\t},\n\t\tlineTo: function ( x, y ) {\n\t\t\tthis.currentPath.lineTo( x, y );\n\t\t},\n\t\tquadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {\n\t\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\t\t},\n\t\tbezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\t\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\t\t},\n\t\tsplineThru: function ( pts ) {\n\t\t\tthis.currentPath.splineThru( pts );\n\t\t},\n\n\t\ttoShapes: function ( isCCW, noHoles ) {\n\n\t\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\t\tvar shapes = [];\n\n\t\t\t\tfor ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar tmpPath = inSubpaths[ i ];\n\n\t\t\t\t\tvar tmpShape = new Shape();\n\t\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t\t}\n\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\t\tvar polyLen = inPolygon.length;\n\n\t\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\t\tvar inside = false;\n\t\t\t\tfor ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\t\tvar edgeLowPt = inPolygon[ p ];\n\t\t\t\t\tvar edgeHighPt = inPolygon[ q ];\n\n\t\t\t\t\tvar edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\t\tvar edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t\t// not parallel\n\t\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvar perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// parallel or collinear\n\t\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t\t// continue;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn\tinside;\n\n\t\t\t}\n\n\t\t\tvar isClockWise = ShapeUtils.isClockWise;\n\n\t\t\tvar subPaths = this.subPaths;\n\t\t\tif ( subPaths.length === 0 ) return [];\n\n\t\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tvar solid, tmpPath, tmpShape, shapes = [];\n\n\t\t\tif ( subPaths.length === 1 ) {\n\n\t\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\t\ttmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\treturn shapes;\n\n\t\t\t}\n\n\t\t\tvar holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\t\tvar betterShapeHoles = [];\n\t\t\tvar newShapes = [];\n\t\t\tvar newShapeHoles = [];\n\t\t\tvar mainIdx = 0;\n\t\t\tvar tmpPoints;\n\n\t\t\tnewShapes[ mainIdx ] = undefined;\n\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\tfor ( var i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\t\ttmpPath = subPaths[ i ];\n\t\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\t\tif ( solid ) {\n\n\t\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t\t//console.log('cw', i);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t\t//console.log('ccw', i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\t\tif ( newShapes.length > 1 ) {\n\n\t\t\t\tvar ambiguous = false;\n\t\t\t\tvar toChange = [];\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t\t}\n\n\t\t\t\tfor ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\t\tvar sho = newShapeHoles[ sIdx ];\n\n\t\t\t\t\tfor ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\t\tvar ho = sho[ hIdx ];\n\t\t\t\t\t\tvar hole_unassigned = true;\n\n\t\t\t\t\t\tfor ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\t\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar tmpHoles;\n\n\t\t\tfor ( var i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\t\tshapes.push( tmpShape );\n\t\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\t\tfor ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//console.log(\"shape\", shapes);\n\n\t\t\treturn shapes;\n\n\t\t}\n\t};\n\n\t/**\n\t * @author zz85 / http://www.lab4games.net/zz85/blog\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Font( data ) {\n\n\t\tthis.data = data;\n\n\t}\n\n\tObject.assign( Font.prototype, {\n\n\t\tisFont: true,\n\n\t\tgenerateShapes: function ( text, size, divisions ) {\n\n\t\t\tfunction createPaths( text ) {\n\n\t\t\t\tvar chars = String( text ).split( '' );\n\t\t\t\tvar scale = size / data.resolution;\n\t\t\t\tvar offset = 0;\n\n\t\t\t\tvar paths = [];\n\n\t\t\t\tfor ( var i = 0; i < chars.length; i ++ ) {\n\n\t\t\t\t\tvar ret = createPath( chars[ i ], scale, offset );\n\t\t\t\t\toffset += ret.offset;\n\n\t\t\t\t\tpaths.push( ret.path );\n\n\t\t\t\t}\n\n\t\t\t\treturn paths;\n\n\t\t\t}\n\n\t\t\tfunction createPath( c, scale, offset ) {\n\n\t\t\t\tvar glyph = data.glyphs[ c ] || data.glyphs[ '?' ];\n\n\t\t\t\tif ( ! glyph ) return;\n\n\t\t\t\tvar path = new ShapePath();\n\n\t\t\t\tvar pts = [], b2 = ShapeUtils.b2, b3 = ShapeUtils.b3;\n\t\t\t\tvar x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;\n\n\t\t\t\tif ( glyph.o ) {\n\n\t\t\t\t\tvar outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\t\t\t\tfor ( var i = 0, l = outline.length; i < l; ) {\n\n\t\t\t\t\t\tvar action = outline[ i ++ ];\n\n\t\t\t\t\t\tswitch ( action ) {\n\n\t\t\t\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\t\t\t\tx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\ty = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb2( t, cpx0, cpx1, cpx );\n\t\t\t\t\t\t\t\t\t\tb2( t, cpy0, cpy1, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\t\t\t\tcpx = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy1 = outline[ i ++ ] * scale;\n\t\t\t\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offset;\n\t\t\t\t\t\t\t\tcpy2 = outline[ i ++ ] * scale;\n\n\t\t\t\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\t\t\t\tlaste = pts[ pts.length - 1 ];\n\n\t\t\t\t\t\t\t\tif ( laste ) {\n\n\t\t\t\t\t\t\t\t\tcpx0 = laste.x;\n\t\t\t\t\t\t\t\t\tcpy0 = laste.y;\n\n\t\t\t\t\t\t\t\t\tfor ( var i2 = 1; i2 <= divisions; i2 ++ ) {\n\n\t\t\t\t\t\t\t\t\t\tvar t = i2 / divisions;\n\t\t\t\t\t\t\t\t\t\tb3( t, cpx0, cpx1, cpx2, cpx );\n\t\t\t\t\t\t\t\t\t\tb3( t, cpy0, cpy1, cpy2, cpy );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn { offset: glyph.ha * scale, path: path };\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( size === undefined ) size = 100;\n\t\t\tif ( divisions === undefined ) divisions = 4;\n\n\t\t\tvar data = this.data;\n\n\t\t\tvar paths = createPaths( text );\n\t\t\tvar shapes = [];\n\n\t\t\tfor ( var p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction FontLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( FontLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar scope = this;\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.load( url, function ( text ) {\n\n\t\t\t\tvar json;\n\n\t\t\t\ttry {\n\n\t\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\tvar font = scope.parse( json );\n\n\t\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t\t}, onProgress, onError );\n\n\t\t},\n\n\t\tparse: function ( json ) {\n\n\t\t\treturn new Font( json );\n\n\t\t}\n\n\t} );\n\n\tvar context;\n\n\tfunction getAudioContext() {\n\n\t\tif ( context === undefined ) {\n\n\t\t\tcontext = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn context;\n\n\t}\n\n\t/**\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction AudioLoader( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t}\n\n\tObject.assign( AudioLoader.prototype, {\n\n\t\tload: function ( url, onLoad, onProgress, onError ) {\n\n\t\t\tvar loader = new XHRLoader( this.manager );\n\t\t\tloader.setResponseType( 'arraybuffer' );\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tvar context = getAudioContext();\n\n\t\t\t\tcontext.decodeAudioData( buffer, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction StereoCamera() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t}\n\n\tObject.assign( StereoCamera.prototype, {\n\n\t\tupdate: ( function () {\n\n\t\t\tvar instance, focus, fov, aspect, near, far, zoom;\n\n\t\t\tvar eyeRight = new Matrix4();\n\t\t\tvar eyeLeft = new Matrix4();\n\n\t\t\treturn function update( camera ) {\n\n\t\t\t\tvar needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||\n\t\t\t\t\t\t\t\t\t\t\t\t\taspect !== camera.aspect * this.aspect || near !== camera.near ||\n\t\t\t\t\t\t\t\t\t\t\t\t\tfar !== camera.far || zoom !== camera.zoom;\n\n\t\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t\tinstance = this;\n\t\t\t\t\tfocus = camera.focus;\n\t\t\t\t\tfov = camera.fov;\n\t\t\t\t\taspect = camera.aspect * this.aspect;\n\t\t\t\t\tnear = camera.near;\n\t\t\t\t\tfar = camera.far;\n\t\t\t\t\tzoom = camera.zoom;\n\n\t\t\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t\t\tvar projectionMatrix = camera.projectionMatrix.clone();\n\t\t\t\t\tvar eyeSep = this.eyeSep / 2;\n\t\t\t\t\tvar eyeSepOnProjection = eyeSep * near / focus;\n\t\t\t\t\tvar ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;\n\t\t\t\t\tvar xmin, xmax;\n\n\t\t\t\t\t// translate xOffset\n\n\t\t\t\t\teyeLeft.elements[ 12 ] = - eyeSep;\n\t\t\t\t\teyeRight.elements[ 12 ] = eyeSep;\n\n\t\t\t\t\t// for left eye\n\n\t\t\t\t\txmin = - ymax * aspect + eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect + eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t\t// for right eye\n\n\t\t\t\t\txmin = - ymax * aspect - eyeSepOnProjection;\n\t\t\t\t\txmax = ymax * aspect - eyeSepOnProjection;\n\n\t\t\t\t\tprojectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );\n\t\t\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );\n\t\t\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * Camera for rendering cube maps\n\t *\t- renders scene into axis-aligned cube\n\t *\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction CubeCamera( near, far, cubeResolution ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tvar fov = 90, aspect = 1;\n\n\t\tvar cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tvar cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tvar cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tvar cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tvar cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tvar cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t\tvar options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };\n\n\t\tthis.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );\n\n\t\tthis.updateCubeMap = function ( renderer, scene ) {\n\n\t\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\t\tvar renderTarget = this.renderTarget;\n\t\t\tvar generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\t\trenderTarget.activeCubeFace = 0;\n\t\t\trenderer.render( scene, cameraPX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 1;\n\t\t\trenderer.render( scene, cameraNX, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 2;\n\t\t\trenderer.render( scene, cameraPY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 3;\n\t\t\trenderer.render( scene, cameraNY, renderTarget );\n\n\t\t\trenderTarget.activeCubeFace = 4;\n\t\t\trenderer.render( scene, cameraPZ, renderTarget );\n\n\t\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\t\trenderTarget.activeCubeFace = 5;\n\t\t\trenderer.render( scene, cameraNZ, renderTarget );\n\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t};\n\n\t}\n\n\tCubeCamera.prototype = Object.create( Object3D.prototype );\n\tCubeCamera.prototype.constructor = CubeCamera;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioListener() {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = getAudioContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t}\n\n\tAudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: AudioListener,\n\n\t\tgetInput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tremoveFilter: function ( ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\t\tthis.gain.connect( this.context.destination );\n\t\t\t\tthis.filter = null;\n\n\t\t\t}\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.filter;\n\n\t\t},\n\n\t\tsetFilter: function ( value ) {\n\n\t\t\tif ( this.filter !== null ) {\n\n\t\t\t\tthis.gain.disconnect( this.filter );\n\t\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t\t} else {\n\n\t\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t\t}\n\n\t\t\tthis.filter = value;\n\t\t\tthis.gain.connect( this.filter );\n\t\t\tthis.filter.connect( this.context.destination );\n\n\t\t},\n\n\t\tgetMasterVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\t\tsetMasterVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\t\t\tvar quaternion = new Quaternion();\n\t\t\tvar scale = new Vector3();\n\n\t\t\tvar orientation = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tvar listener = this.context.listener;\n\t\t\t\tvar up = this.up;\n\n\t\t\t\tthis.matrixWorld.decompose( position, quaternion, scale );\n\n\t\t\t\torientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );\n\n\t\t\t\tlistener.setPosition( position.x, position.y, position.z );\n\t\t\t\tlistener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author Reece Aaron Lecrivain / http://reecenotes.com/\n\t */\n\n\tfunction Audio( listener ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.context = listener.context;\n\t\tthis.source = this.context.createBufferSource();\n\t\tthis.source.onended = this.onEnded.bind( this );\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.startTime = 0;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis.filters = [];\n\n\t}\n\n\tAudio.prototype = Object.assign( Object.create( Object3D.prototype ), {\n\n\t\tconstructor: Audio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.gain;\n\n\t\t},\n\n\t\tsetNodeSource: function ( audioNode ) {\n\n\t\t\tthis.hasPlaybackControl = false;\n\t\t\tthis.sourceType = 'audioNode';\n\t\t\tthis.source = audioNode;\n\t\t\tthis.connect();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetBuffer: function ( audioBuffer ) {\n\n\t\t\tthis.source.buffer = audioBuffer;\n\t\t\tthis.sourceType = 'buffer';\n\n\t\t\tif ( this.autoplay ) this.play();\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tplay: function () {\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tvar source = this.context.createBufferSource();\n\n\t\t\tsource.buffer = this.source.buffer;\n\t\t\tsource.loop = this.source.loop;\n\t\t\tsource.onended = this.source.onended;\n\t\t\tsource.start( 0, this.startTime );\n\t\t\tsource.playbackRate.value = this.playbackRate;\n\n\t\t\tthis.isPlaying = true;\n\n\t\t\tthis.source = source;\n\n\t\t\treturn this.connect();\n\n\t\t},\n\n\t\tpause: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = this.context.currentTime;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.startTime = 0;\n\t\t\tthis.isPlaying = false;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tdisconnect: function () {\n\n\t\t\tif ( this.filters.length > 0 ) {\n\n\t\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\t\tfor ( var i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t\t} else {\n\n\t\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilters: function () {\n\n\t\t\treturn this.filters;\n\n\t\t},\n\n\t\tsetFilters: function ( value ) {\n\n\t\t\tif ( ! value ) value = [];\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.disconnect();\n\t\t\t\tthis.filters = value;\n\t\t\t\tthis.connect();\n\n\t\t\t} else {\n\n\t\t\t\tthis.filters = value;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetFilter: function () {\n\n\t\t\treturn this.getFilters()[ 0 ];\n\n\t\t},\n\n\t\tsetFilter: function ( filter ) {\n\n\t\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t\t},\n\n\t\tsetPlaybackRate: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.playbackRate = value;\n\n\t\t\tif ( this.isPlaying === true ) {\n\n\t\t\t\tthis.source.playbackRate.value = this.playbackRate;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetPlaybackRate: function () {\n\n\t\t\treturn this.playbackRate;\n\n\t\t},\n\n\t\tonEnded: function () {\n\n\t\t\tthis.isPlaying = false;\n\n\t\t},\n\n\t\tgetLoop: function () {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t\treturn this.source.loop;\n\n\t\t},\n\n\t\tsetLoop: function ( value ) {\n\n\t\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tthis.source.loop = value;\n\n\t\t},\n\n\t\tgetVolume: function () {\n\n\t\t\treturn this.gain.gain.value;\n\n\t\t},\n\n\n\t\tsetVolume: function ( value ) {\n\n\t\t\tthis.gain.gain.value = value;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PositionalAudio( listener ) {\n\n\t\tAudio.call( this, listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tPositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {\n\n\t\tconstructor: PositionalAudio,\n\n\t\tgetOutput: function () {\n\n\t\t\treturn this.panner;\n\n\t\t},\n\n\t\tgetRefDistance: function () {\n\n\t\t\treturn this.panner.refDistance;\n\n\t\t},\n\n\t\tsetRefDistance: function ( value ) {\n\n\t\t\tthis.panner.refDistance = value;\n\n\t\t},\n\n\t\tgetRolloffFactor: function () {\n\n\t\t\treturn this.panner.rolloffFactor;\n\n\t\t},\n\n\t\tsetRolloffFactor: function ( value ) {\n\n\t\t\tthis.panner.rolloffFactor = value;\n\n\t\t},\n\n\t\tgetDistanceModel: function () {\n\n\t\t\treturn this.panner.distanceModel;\n\n\t\t},\n\n\t\tsetDistanceModel: function ( value ) {\n\n\t\t\tthis.panner.distanceModel = value;\n\n\t\t},\n\n\t\tgetMaxDistance: function () {\n\n\t\t\treturn this.panner.maxDistance;\n\n\t\t},\n\n\t\tsetMaxDistance: function ( value ) {\n\n\t\t\tthis.panner.maxDistance = value;\n\n\t\t},\n\n\t\tupdateMatrixWorld: ( function () {\n\n\t\t\tvar position = new Vector3();\n\n\t\t\treturn function updateMatrixWorld( force ) {\n\n\t\t\t\tObject3D.prototype.updateMatrixWorld.call( this, force );\n\n\t\t\t\tposition.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\t\tthis.panner.setPosition( position.x, position.y, position.z );\n\n\t\t\t};\n\n\t\t} )()\n\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AudioAnalyser( audio, fftSize ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\tObject.assign( AudioAnalyser.prototype, {\n\n\t\tgetFrequencyData: function () {\n\n\t\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\t\treturn this.data;\n\n\t\t},\n\n\t\tgetAverageFrequency: function () {\n\n\t\t\tvar value = 0, data = this.getFrequencyData();\n\n\t\t\tfor ( var i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tvalue += data[ i ];\n\n\t\t\t}\n\n\t\t\treturn value / data.length;\n\n\t\t}\n\n\t} );\n\n\t/**\n\t *\n\t * Buffered scene graph property that allows weighted accumulation.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyMixer( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tvar bufferType = Float64Array,\n\t\t\tmixFunction;\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\t\t\tmixFunction = this._slerp;\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\n\t\t\t\tbufferType = Array,\t\tmixFunction = this._select;\t\tbreak;\n\n\t\t\tdefault:\t\t\t\t\tmixFunction = this._lerp;\n\n\t\t}\n\n\t\tthis.buffer = new bufferType( valueSize * 4 );\n\t\t// layout: [ incoming | accu0 | accu1 | orig ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\n\t\tthis._mixBufferRegion = mixFunction;\n\n\t\tthis.cumulativeWeight = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\tPropertyMixer.prototype = {\n\n\t\tconstructor: PropertyMixer,\n\n\t\t// accumulate data in the 'incoming' region into 'accu'\n\t\taccumulate: function( accuIndex, weight ) {\n\n\t\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t\t// the weight and shouldn't have made the call in the first place\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tcurrentWeight = this.cumulativeWeight;\n\n\t\t\tif ( currentWeight === 0 ) {\n\n\t\t\t\t// accuN := incoming * weight\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcurrentWeight = weight;\n\n\t\t\t} else {\n\n\t\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\t\tcurrentWeight += weight;\n\t\t\t\tvar mix = weight / currentWeight;\n\t\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = currentWeight;\n\n\t\t},\n\n\t\t// apply the state of 'accu' to the binding when accus differ\n\t\tapply: function( accuIndex ) {\n\n\t\t\tvar stride = this.valueSize,\n\t\t\t\tbuffer = this.buffer,\n\t\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\t\tweight = this.cumulativeWeight,\n\n\t\t\t\tbinding = this.binding;\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t\tif ( weight < 1 ) {\n\n\t\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\t\tvar originalValueOffset = stride * 3;\n\n\t\t\t\tthis._mixBufferRegion(\n\t\t\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t\t}\n\n\t\t\tfor ( var i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remember the state of the bound property and copy it to both accus\n\t\tsaveOriginalState: function() {\n\n\t\t\tvar binding = this.binding;\n\n\t\t\tvar buffer = this.buffer,\n\t\t\t\tstride = this.valueSize,\n\n\t\t\t\toriginalValueOffset = stride * 3;\n\n\t\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\t\tfor ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t\t}\n\n\t\t\tthis.cumulativeWeight = 0;\n\n\t\t},\n\n\t\t// apply the state previously taken via 'saveOriginalState' to the binding\n\t\trestoreOriginalState: function() {\n\n\t\t\tvar originalValueOffset = this.valueSize * 3;\n\t\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t\t},\n\n\n\t\t// mix functions\n\n\t\t_select: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tif ( t >= 0.5 ) {\n\n\t\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_slerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tQuaternion.slerpFlat( buffer, dstOffset,\n\t\t\t\t\tbuffer, dstOffset, buffer, srcOffset, t );\n\n\t\t},\n\n\t\t_lerp: function( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\t\tvar s = 1 - t;\n\n\t\t\tfor ( var i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tvar j = dstOffset + i;\n\n\t\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * A reference to a real property in the scene graph.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction PropertyBinding( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode(\n\t\t\t\trootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t}\n\n\tPropertyBinding.prototype = {\n\n\t\tconstructor: PropertyBinding,\n\n\t\tgetValue: function getValue_unbound( targetArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.getValue( targetArray, offset );\n\n\t\t\t// Note: This class uses a State pattern on a per-method basis:\n\t\t\t// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n\t\t\t// prototype version of these methods with one that represents\n\t\t\t// the bound state. When the property is not found, the methods\n\t\t\t// become no-ops.\n\n\t\t},\n\n\t\tsetValue: function getValue_unbound( sourceArray, offset ) {\n\n\t\t\tthis.bind();\n\t\t\tthis.setValue( sourceArray, offset );\n\n\t\t},\n\n\t\t// create getter / setter pair for a property in the scene graph\n\t\tbind: function() {\n\n\t\t\tvar targetObject = this.node,\n\t\t\t\tparsedPath = this.parsedPath,\n\n\t\t\t\tobjectName = parsedPath.objectName,\n\t\t\t\tpropertyName = parsedPath.propertyName,\n\t\t\t\tpropertyIndex = parsedPath.propertyIndex;\n\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\ttargetObject = PropertyBinding.findNode(\n\t\t\t\t\t\tthis.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\t\tthis.node = targetObject;\n\n\t\t\t}\n\n\t\t\t// set fail state so we can just 'return' on error\n\t\t\tthis.getValue = this._getValue_unavailable;\n\t\t\tthis.setValue = this._setValue_unavailable;\n\n\t \t\t// ensure there is a value node\n\t\t\tif ( ! targetObject ) {\n\n\t\t\t\tconsole.error( \" trying to update node for track: \" + this.path + \" but it wasn't found.\" );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( objectName ) {\n\n\t\t\t\tvar objectIndex = parsedPath.objectIndex;\n\n\t\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\t\tswitch ( objectName ) {\n\n\t\t\t\t\tcase 'materials':\n\n\t\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material as node does not have a material', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to material.materials as node.material does not have a materials array', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bones':\n\n\t\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to bones as node does not have a skeleton', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\t\tfor ( var i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.error( ' can not bind to objectName of node, undefined', this );\n\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t\t}\n\n\n\t\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( \" trying to bind to objectIndex of objectName, but is undefined:\", this, targetObject );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// resolve property\n\t\t\tvar nodeProperty = targetObject[ propertyName ];\n\n\t\t\tif ( nodeProperty === undefined ) {\n\n\t\t\t\tvar nodeName = parsedPath.nodeName;\n\n\t\t\t\tconsole.error( \" trying to update property for track: \" + nodeName +\n\t\t\t\t\t\t'.' + propertyName + \" but it wasn't found.\", targetObject );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// determine versioning scheme\n\t\t\tvar versioning = this.Versioning.None;\n\n\t\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\t\tversioning = this.Versioning.NeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\t\t\t\tthis.targetObject = targetObject;\n\n\t\t\t}\n\n\t\t\t// determine how the property gets bound\n\t\t\tvar bindingType = this.BindingType.Direct;\n\n\t\t\tif ( propertyIndex !== undefined ) {\n\t\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\t\tif ( propertyName === \"morphTargetInfluences\" ) {\n\t\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphTargets ) {\n\n\t\t\t\t\t\tconsole.error( ' can not bind to morphTargetInfluences becasuse node does not have a geometry.morphTargets', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {\n\n\t\t\t\t\t\t\tpropertyIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\t\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else if ( nodeProperty.length !== undefined ) {\n\n\t\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t\t} else {\n\n\t\t\t\tthis.propertyName = propertyName;\n\n\t\t\t}\n\n\t\t\t// select getter / setter\n\t\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tthis.node = null;\n\n\t\t\t// back to the prototype version of getValue / setValue\n\t\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\t\tthis.getValue = this._getValue_unbound;\n\t\t\tthis.setValue = this._setValue_unbound;\n\n\t\t}\n\n\t};\n\n\tObject.assign( PropertyBinding.prototype, { // prototype, continued\n\n\t\t// these are used to \"bind\" a nonexistent property\n\t\t_getValue_unavailable: function() {},\n\t\t_setValue_unavailable: function() {},\n\n\t\t// initial state of these methods that calls 'bind'\n\t\t_getValue_unbound: PropertyBinding.prototype.getValue,\n\t\t_setValue_unbound: PropertyBinding.prototype.setValue,\n\n\t\tBindingType: {\n\t\t\tDirect: 0,\n\t\t\tEntireArray: 1,\n\t\t\tArrayElement: 2,\n\t\t\tHasFromToArray: 3\n\t\t},\n\n\t\tVersioning: {\n\t\t\tNone: 0,\n\t\t\tNeedsUpdate: 1,\n\t\t\tMatrixWorldNeedsUpdate: 2\n\t\t},\n\n\t\tGetterByBindingType: [\n\n\t\t\tfunction getValue_direct( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.node[ this.propertyName ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_array( buffer, offset ) {\n\n\t\t\t\tvar source = this.resolvedProperty;\n\n\t\t\t\tfor ( var i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tfunction getValue_arrayElement( buffer, offset ) {\n\n\t\t\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t\t\t},\n\n\t\t\tfunction getValue_toArray( buffer, offset ) {\n\n\t\t\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t\t\t}\n\n\t\t],\n\n\t\tSetterByBindingTypeAndVersioning: [\n\n\t\t\t[\n\t\t\t\t// Direct\n\n\t\t\t\tfunction setValue_direct( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.node[ this.propertyName ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// EntireArray\n\n\t\t\t\tfunction setValue_array( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tvar dest = this.resolvedProperty;\n\n\t\t\t\t\tfor ( var i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\t\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// ArrayElement\n\n\t\t\t\tfunction setValue_arrayElement( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t], [\n\n\t\t\t\t// HasToFromArray\n\n\t\t\t\tfunction setValue_fromArray( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.needsUpdate = true;\n\n\t\t\t\t},\n\n\t\t\t\tfunction setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\t\t\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\t\t\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t]\n\n\t\t]\n\n\t} );\n\n\tPropertyBinding.Composite =\n\t\t\tfunction( targetGroup, path, optionalParsedPath ) {\n\n\t\tvar parsedPath = optionalParsedPath ||\n\t\t\t\tPropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t};\n\n\tPropertyBinding.Composite.prototype = {\n\n\t\tconstructor: PropertyBinding.Composite,\n\n\t\tgetValue: function( array, offset ) {\n\n\t\t\tthis.bind(); // bind all binding\n\n\t\t\tvar firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t\t// and only call .getValue on the first\n\t\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t\t},\n\n\t\tsetValue: function( array, offset ) {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t\t}\n\n\t\t},\n\n\t\tbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].bind();\n\n\t\t\t}\n\n\t\t},\n\n\t\tunbind: function() {\n\n\t\t\tvar bindings = this._bindings;\n\n\t\t\tfor ( var i = this._targetGroup.nCachedObjects_,\n\t\t\t\t\tn = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tbindings[ i ].unbind();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.create = function( root, path, parsedPath ) {\n\n\t\tif ( ! ( (root && root.isAnimationObjectGroup) ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t};\n\n\tPropertyBinding.parseTrackName = function( trackName ) {\n\n\t\t// matches strings in the form of:\n\t\t// nodeName.property\n\t\t// nodeName.property[accessor]\n\t\t// nodeName.material.property[accessor]\n\t\t// uuid.property[accessor]\n\t\t// uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t\t// parentName/nodeName.property\n\t\t// parentName/parentName/nodeName.property[index]\n\t\t// .bone[Armature.DEF_cog].position\n\t\t// scene:helium_balloon_model:helium_balloon_model.position\n\t\t// created and tested via https://regex101.com/#javascript\n\n\t\tvar re = /^((?:\\w+[\\/:])*)(\\w+)?(?:\\.(\\w+)(?:\\[(.+)\\])?)?\\.(\\w+)(?:\\[(.+)\\])?$/;\n\t\tvar matches = re.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( \"cannot parse trackName at all: \" + trackName );\n\n\t\t}\n\n\t\tvar results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ], \t// allowed to be null, specified root node.\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ],\n\t\t\tpropertyIndex: matches[ 6 ]\t// allowed to be null, specifies that the whole property is set.\n\t\t};\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( \"can not parse propertyName from trackName: \" + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t};\n\n\tPropertyBinding.findNode = function( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === \"\" || nodeName === \"root\" || nodeName === \".\" || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tvar searchSkeleton = function( skeleton ) {\n\n\t\t\t\tfor( var i = 0; i < skeleton.bones.length; i ++ ) {\n\n\t\t\t\t\tvar bone = skeleton.bones[ i ];\n\n\t\t\t\t\tif ( bone.name === nodeName ) {\n\n\t\t\t\t\t\treturn bone;\n\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar bone = searchSkeleton( root.skeleton );\n\n\t\t\tif ( bone ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tvar searchNodeSubtree = function( children ) {\n\n\t\t\t\tfor( var i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tvar childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tvar subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t};\n\n\t/**\n\t *\n\t * A group of objects that receives a shared animation state.\n\t *\n\t * Usage:\n\t *\n\t * \t-\tAdd objects you would otherwise pass as 'root' to the\n\t * \t\tconstructor or the .clipAction method of AnimationMixer.\n\t *\n\t * \t-\tInstead pass this object as 'root'.\n\t *\n\t * \t-\tYou can also add and remove objects later when the mixer\n\t * \t\tis running.\n\t *\n\t * Note:\n\t *\n\t * \tObjects of this class appear as one object to the mixer,\n\t * \tso cache control of the individual objects must be done\n\t * \ton the group.\n\t *\n\t * Limitation:\n\t *\n\t * \t- \tThe animated properties must be compatible among the\n\t * \t\tall objects in the group.\n\t *\n\t * -\tA single property can either be controlled through a\n\t * \ttarget group or directly, but not both.\n\t *\n\t * @author tschw\n\t */\n\n\tfunction AnimationObjectGroup( var_args ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0;\t\t\t// threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tvar indices = {};\n\t\tthis._indicesByUUID = indices;\t\t// for bookkeeping\n\n\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = [];\t\t\t\t\t// inside: string\n\t\tthis._parsedPaths = [];\t\t\t\t// inside: { we don't care, here }\n\t\tthis._bindings = []; \t\t\t\t// inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; \t// inside: indices in these arrays\n\n\t\tvar scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() { return scope._objects.length; },\n\t\t\t\tget inUse() { return this.total - scope.nCachedObjects_; }\n\t\t\t},\n\n\t\t\tget bindingsPerObject() { return scope._bindings.length; }\n\n\t\t};\n\n\t}\n\n\tAnimationObjectGroup.prototype = {\n\n\t\tconstructor: AnimationObjectGroup,\n\n\t\tisAnimationObjectGroup: true,\n\n\t\tadd: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tpaths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index === undefined ) {\n\n\t\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\t\tindex = nObjects ++;\n\t\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tbindings[ j ].push(\n\t\t\t\t\t\t\t\tnew PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\t\tvar knownObject = objects[ index ];\n\n\t\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\t\tbinding = new PropertyBinding(\n\t\t\t\t\t\t\t\t\tobject, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( objects[ index ] !== knownObject) {\n\n\t\t\t\t\tconsole.error( \"Different objects with the same UUID \" +\n\t\t\t\t\t\t\t\"detected. Clean the caches or recreate your \" +\n\t\t\t\t\t\t\t\"infrastructure when reloading scenes...\" );\n\n\t\t\t\t} // else the object is already where we want it to be\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\tremove: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\t\tvar lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// remove & forget\n\t\tuncache: function( var_args ) {\n\n\t\t\tvar objects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = bindings.length;\n\n\t\t\tfor ( var i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = arguments[ i ],\n\t\t\t\t\tuuid = object.uuid,\n\t\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index !== undefined ) {\n\n\t\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\t\tvar firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\t\tvar lastIndex = -- nObjects,\n\t\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\t\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\t\tfor ( var j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\t\tvar bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} // cached or active\n\n\t\t\t\t} // if object is known\n\n\t\t\t} // for arguments\n\n\t\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t\t},\n\n\t\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\t\tsubscribe_: function( path, parsedPath ) {\n\t\t\t// returns an array of bindings for the given path that is changed\n\t\t\t// according to the contained objects in the group\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ],\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\t\tvar paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tobjects = this._objects,\n\t\t\t\tnObjects = objects.length,\n\t\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\t\tindex = bindings.length;\n\n\t\t\tindicesByPath[ path ] = index;\n\n\t\t\tpaths.push( path );\n\t\t\tparsedPaths.push( parsedPath );\n\t\t\tbindings.push( bindingsForPath );\n\n\t\t\tfor ( var i = nCachedObjects,\n\t\t\t\t\tn = objects.length; i !== n; ++ i ) {\n\n\t\t\t\tvar object = objects[ i ];\n\n\t\t\t\tbindingsForPath[ i ] =\n\t\t\t\t\t\tnew PropertyBinding( object, path, parsedPath );\n\n\t\t\t}\n\n\t\t\treturn bindingsForPath;\n\n\t\t},\n\n\t\tunsubscribe_: function( path ) {\n\t\t\t// tells the group to forget about a property path and no longer\n\t\t\t// update the array previously obtained with 'subscribe_'\n\n\t\t\tvar indicesByPath = this._bindingsIndicesByPath,\n\t\t\t\tindex = indicesByPath[ path ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tvar paths = this._paths,\n\t\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\t\tbindings = this._bindings,\n\t\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\t\tbindings[ index ] = lastBindings;\n\t\t\t\tbindings.pop();\n\n\t\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\t\tparsedPaths.pop();\n\n\t\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\t\tpaths.pop();\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Action provided by AnimationMixer for scheduling clip playback on specific\n\t * objects.\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t *\n\t */\n\n\tfunction AnimationAction( mixer, clip, localRoot ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot || null;\n\n\t\tvar tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tvar interpolantSettings = {\n\t\t\t\tendingStart: \tZeroCurvatureEnding,\n\t\t\t\tendingEnd:\t\tZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tvar interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants;\t// bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null;\t\t\t// for the memory manager\n\t\tthis._byClipCacheIndex = null;\t\t// for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; \t\t// no. of repetitions when looping\n\n\t\tthis.paused = false;\t\t\t\t// false -> zero effective time scale\n\t\tthis.enabled = true;\t\t\t\t// true -> zero effective weight\n\n\t\tthis.clampWhenFinished \t= false;\t// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart \t= true;\t\t// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd\t\t= true;\t\t// clips for start, loop and end\n\n\t}\n\n\tAnimationAction.prototype = {\n\n\t\tconstructor: AnimationAction,\n\n\t\t// State & Scheduling\n\n\t\tplay: function() {\n\n\t\t\tthis._mixer._activateAction( this );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstop: function() {\n\n\t\t\tthis._mixer._deactivateAction( this );\n\n\t\t\treturn this.reset();\n\n\t\t},\n\n\t\treset: function() {\n\n\t\t\tthis.paused = false;\n\t\t\tthis.enabled = true;\n\n\t\t\tthis.time = 0;\t\t\t// restart clip\n\t\t\tthis._loopCount = -1;\t// forget previous loops\n\t\t\tthis._startTime = null;\t// forget scheduling\n\n\t\t\treturn this.stopFading().stopWarping();\n\n\t\t},\n\n\t\tisRunning: function() {\n\n\t\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\t// return true when play has been called\n\t\tisScheduled: function() {\n\n\t\t\treturn this._mixer._isActiveAction( this );\n\n\t\t},\n\n\t\tstartAt: function( time ) {\n\n\t\t\tthis._startTime = time;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetLoop: function( mode, repetitions ) {\n\n\t\t\tthis.loop = mode;\n\t\t\tthis.repetitions = repetitions;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Weight\n\n\t\t// set the weight stopping any scheduled fading\n\t\t// although .enabled = false yields an effective weight of zero, this\n\t\t// method does *not* change .enabled, because it would be confusing\n\t\tsetEffectiveWeight: function( weight ) {\n\n\t\t\tthis.weight = weight;\n\n\t\t\t// note: same logic as when updated at runtime\n\t\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\t\treturn this.stopFading();\n\n\t\t},\n\n\t\t// return the weight considering fading and .enabled\n\t\tgetEffectiveWeight: function() {\n\n\t\t\treturn this._effectiveWeight;\n\n\t\t},\n\n\t\tfadeIn: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t\t},\n\n\t\tfadeOut: function( duration ) {\n\n\t\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t\t},\n\n\t\tcrossFadeFrom: function( fadeOutAction, duration, warp ) {\n\n\t\t\tfadeOutAction.fadeOut( duration );\n\t\t\tthis.fadeIn( duration );\n\n\t\t\tif( warp ) {\n\n\t\t\t\tvar fadeInDuration = this._clip.duration,\n\t\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcrossFadeTo: function( fadeInAction, duration, warp ) {\n\n\t\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t\t},\n\n\t\tstopFading: function() {\n\n\t\t\tvar weightInterpolant = this._weightInterpolant;\n\n\t\t\tif ( weightInterpolant !== null ) {\n\n\t\t\t\tthis._weightInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Time Scale Control\n\n\t\t// set the weight stopping any scheduled warping\n\t\t// although .paused = true yields an effective time scale of zero, this\n\t\t// method does *not* change .paused, because it would be confusing\n\t\tsetEffectiveTimeScale: function( timeScale ) {\n\n\t\t\tthis.timeScale = timeScale;\n\t\t\tthis._effectiveTimeScale = this.paused ? 0 :timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\t// return the time scale considering warping and .paused\n\t\tgetEffectiveTimeScale: function() {\n\n\t\t\treturn this._effectiveTimeScale;\n\n\t\t},\n\n\t\tsetDuration: function( duration ) {\n\n\t\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\tsyncWith: function( action ) {\n\n\t\t\tthis.time = action.time;\n\t\t\tthis.timeScale = action.timeScale;\n\n\t\t\treturn this.stopWarping();\n\n\t\t},\n\n\t\thalt: function( duration ) {\n\n\t\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t\t},\n\n\t\twarp: function( startTimeScale, endTimeScale, duration ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._timeScaleInterpolant,\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now;\n\t\t\ttimes[ 1 ] = now + duration;\n\n\t\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tstopWarping: function() {\n\n\t\t\tvar timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\t\tthis._timeScaleInterpolant = null;\n\t\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// Object Accessors\n\n\t\tgetMixer: function() {\n\n\t\t\treturn this._mixer;\n\n\t\t},\n\n\t\tgetClip: function() {\n\n\t\t\treturn this._clip;\n\n\t\t},\n\n\t\tgetRoot: function() {\n\n\t\t\treturn this._localRoot || this._mixer._root;\n\n\t\t},\n\n\t\t// Interna\n\n\t\t_update: function( time, deltaTime, timeDirection, accuIndex ) {\n\t\t\t// called by the mixer\n\n\t\t\tvar startTime = this._startTime;\n\n\t\t\tif ( startTime !== null ) {\n\n\t\t\t\t// check for scheduled start of action\n\n\t\t\t\tvar timeRunning = ( time - startTime ) * timeDirection;\n\t\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t\t}\n\n\t\t\t\t// start\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t\t// apply time scale and advance time\n\n\t\t\tdeltaTime *= this._updateTimeScale( time );\n\t\t\tvar clipTime = this._updateTime( deltaTime );\n\n\t\t\t// note: _updateTime may disable the action resulting in\n\t\t\t// an effective weight of 0\n\n\t\t\tvar weight = this._updateWeight( time );\n\n\t\t\tif ( weight > 0 ) {\n\n\t\t\t\tvar interpolants = this._interpolants;\n\t\t\t\tvar propertyMixers = this._propertyBindings;\n\n\t\t\t\tfor ( var j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_updateWeight: function( time ) {\n\n\t\t\tvar weight = 0;\n\n\t\t\tif ( this.enabled ) {\n\n\t\t\t\tweight = this.weight;\n\t\t\t\tvar interpolant = this._weightInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveWeight = weight;\n\t\t\treturn weight;\n\n\t\t},\n\n\t\t_updateTimeScale: function( time ) {\n\n\t\t\tvar timeScale = 0;\n\n\t\t\tif ( ! this.paused ) {\n\n\t\t\t\ttimeScale = this.timeScale;\n\n\t\t\t\tvar interpolant = this._timeScaleInterpolant;\n\n\t\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\t\tvar interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._effectiveTimeScale = timeScale;\n\t\t\treturn timeScale;\n\n\t\t},\n\n\t\t_updateTime: function( deltaTime ) {\n\n\t\t\tvar time = this.time + deltaTime;\n\n\t\t\tif ( deltaTime === 0 ) return time;\n\n\t\t\tvar duration = this._clip.duration,\n\n\t\t\t\tloop = this.loop,\n\t\t\t\tloopCount = this._loopCount;\n\n\t\t\tif ( loop === LoopOnce ) {\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tthis.loopCount = 0;\n\t\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t\t}\n\n\t\t\t\thandle_stop: {\n\n\t\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\t\ttime = duration;\n\n\t\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\t\ttime = 0;\n\n\t\t\t\t\t} else break handle_stop;\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\t\tvar pingPong = ( loop === LoopPingPong );\n\n\t\t\t\tif ( loopCount === -1 ) {\n\t\t\t\t\t// just started\n\n\t\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\ttrue, this.repetitions === 0, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\t\tthis._setEndings(\n\t\t\t\t\t\t\t\tthis.repetitions === 0, true, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( time >= duration || time < 0 ) {\n\t\t\t\t\t// wrap around\n\n\t\t\t\t\tvar loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\t\tvar pending = this.repetitions - loopCount;\n\n\t\t\t\t\tif ( pending < 0 ) {\n\t\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// keep running\n\n\t\t\t\t\t\tif ( pending === 0 ) {\n\t\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\t\tvar atStart = deltaTime < 0;\n\t\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\t\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\t\tthis.time = time;\n\t\t\t\t\treturn duration - time;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.time = time;\n\t\t\treturn time;\n\n\t\t},\n\n\t\t_setEndings: function( atStart, atEnd, pingPong ) {\n\n\t\t\tvar settings = this._interpolantSettings;\n\n\t\t\tif ( pingPong ) {\n\n\t\t\t\tsettings.endingStart \t= ZeroSlopeEnding;\n\t\t\t\tsettings.endingEnd\t\t= ZeroSlopeEnding;\n\n\t\t\t} else {\n\n\t\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\t\tif ( atStart ) {\n\n\t\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t\tif ( atEnd ) {\n\n\t\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ?\n\t\t\t\t\t\t\tZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_scheduleFading: function( duration, weightNow, weightThen ) {\n\n\t\t\tvar mixer = this._mixer, now = mixer.time,\n\t\t\t\tinterpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant === null ) {\n\n\t\t\t\tinterpolant = mixer._lendControlInterpolant(),\n\t\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t\t}\n\n\t\t\tvar times = interpolant.parameterPositions,\n\t\t\t\tvalues = interpolant.sampleValues;\n\n\t\t\ttimes[ 0 ] = now; \t\t\t\tvalues[ 0 ] = weightNow;\n\t\t\ttimes[ 1 ] = now + duration;\tvalues[ 1 ] = weightThen;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t *\n\t * Player for AnimationClips.\n\t *\n\t *\n\t * @author Ben Houston / http://clara.io/\n\t * @author David Sarno / http://lighthaus.us/\n\t * @author tschw\n\t */\n\n\tfunction AnimationMixer( root ) {\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\tObject.assign( AnimationMixer.prototype, EventDispatcher.prototype, {\n\n\t\t// return an action for a clip optionally using a custom root target\n\t\t// object (this method allocates a lot of dynamic memory in case a\n\t\t// previously unknown clip/root combination is specified)\n\t\tclipAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject !== null ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ],\n\t\t\t\tprototypeAction = null;\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\tvar existingAction =\n\t\t\t\t\t\tactionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( existingAction !== undefined ) {\n\n\t\t\t\t\treturn existingAction;\n\n\t\t\t\t}\n\n\t\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t\t// the bindings again but can just copy\n\t\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t\t// also, take the clip from the prototype action\n\t\t\t\tif ( clipObject === null )\n\t\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t\t}\n\n\t\t\t// clip must be known when specified via string\n\t\t\tif ( clipObject === null ) return null;\n\n\t\t\t// allocate all resources required to run it\n\t\t\tvar newAction = new AnimationAction( this, clipObject, optionalRoot );\n\n\t\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t\t// and make the action known to the memory manager\n\t\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\t\treturn newAction;\n\n\t\t},\n\n\t\t// get an existing action\n\t\texistingAction: function( clip, optionalRoot ) {\n\n\t\t\tvar root = optionalRoot || this._root,\n\t\t\t\trootUuid = root.uuid,\n\n\t\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t},\n\n\t\t// deactivates all previously scheduled actions\n\t\tstopAllAction: function() {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tthis._nActiveActions = 0;\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tactions[ i ].reset();\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].useCount = 0;\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// advance the time and update apply the animation\n\t\tupdate: function( deltaTime ) {\n\n\t\t\tdeltaTime *= this.timeScale;\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tnActions = this._nActiveActions,\n\n\t\t\t\ttime = this.time += deltaTime,\n\t\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t\t// run active actions\n\n\t\t\tfor ( var i = 0; i !== nActions; ++ i ) {\n\n\t\t\t\tvar action = actions[ i ];\n\n\t\t\t\tif ( action.enabled ) {\n\n\t\t\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update scene graph\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tnBindings = this._nActiveBindings;\n\n\t\t\tfor ( var i = 0; i !== nBindings; ++ i ) {\n\n\t\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// return this mixer's root target object\n\t\tgetRoot: function() {\n\n\t\t\treturn this._root;\n\n\t\t},\n\n\t\t// free all resources specific to a particular clip\n\t\tuncacheClip: function( clip ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tclipUuid = clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t\t// iteration state and also require updating the state we can\n\t\t\t\t// just throw away\n\n\t\t\t\tvar actionsToRemove = actionsForClip.knownActions;\n\n\t\t\t\tfor ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar action = actionsToRemove[ i ];\n\n\t\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\t\tvar cacheIndex = action._cacheIndex,\n\t\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\t\taction._cacheIndex = null;\n\t\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\t\tactions.pop();\n\n\t\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t\t}\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t// free all resources specific to a particular root target object\n\t\tuncacheRoot: function( root ) {\n\n\t\t\tvar rootUuid = root.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip;\n\n\t\t\tfor ( var clipUuid in actionsByClip ) {\n\n\t\t\t\tvar actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\t\tif ( action !== undefined ) {\n\n\t\t\t\t\tthis._deactivateAction( action );\n\t\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingByName !== undefined ) {\n\n\t\t\t\tfor ( var trackName in bindingByName ) {\n\n\t\t\t\t\tvar binding = bindingByName[ trackName ];\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t// remove a targeted clip from the cache\n\t\tuncacheAction: function( clip, optionalRoot ) {\n\n\t\t\tvar action = this.existingAction( clip, optionalRoot );\n\n\t\t\tif ( action !== null ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\t// Implementation details:\n\n\tObject.assign( AnimationMixer.prototype, {\n\n\t\t_bindAction: function( action, prototypeAction ) {\n\n\t\t\tvar root = action._localRoot || this._root,\n\t\t\t\ttracks = action._clip.tracks,\n\t\t\t\tnTracks = tracks.length,\n\t\t\t\tbindings = action._propertyBindings,\n\t\t\t\tinterpolants = action._interpolants,\n\t\t\t\trootUuid = root.uuid,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\t\tif ( bindingsByName === undefined ) {\n\n\t\t\t\tbindingsByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0; i !== nTracks; ++ i ) {\n\n\t\t\t\tvar track = tracks[ i ],\n\t\t\t\t\ttrackName = track.name,\n\t\t\t\t\tbinding = bindingsByName[ trackName ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tvar path = prototypeAction && prototypeAction.\n\t\t\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t\t}\n\n\t\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t\t}\n\n\t\t},\n\n\t\t_activateAction: function( action ) {\n\n\t\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\t\tvar rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\t\tthis._bindAction( action,\n\t\t\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t\t}\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// increment reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._lendAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t_deactivateAction: function( action ) {\n\n\t\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\t\tvar bindings = action._propertyBindings;\n\n\t\t\t\t// decrement reference counts / sort out state\n\t\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tthis._takeBackAction( action );\n\n\t\t\t}\n\n\t\t},\n\n\t\t// Memory manager\n\n\t\t_initMemoryManager: function() {\n\n\t\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\t\tthis._nActiveActions = 0;\n\n\t\t\tthis._actionsByClip = {};\n\t\t\t// inside:\n\t\t\t// {\n\t\t\t// \t\tknownActions: Array< AnimationAction >\t- used as prototypes\n\t\t\t// \t\tactionByRoot: AnimationAction\t\t\t- lookup\n\t\t\t// }\n\n\n\t\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\t\tthis._nActiveBindings = 0;\n\n\t\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\t\tthis._controlInterpolants = []; // same game as above\n\t\t\tthis._nActiveControlInterpolants = 0;\n\n\t\t\tvar scope = this;\n\n\t\t\tthis.stats = {\n\n\t\t\t\tactions: {\n\t\t\t\t\tget total() { return scope._actions.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveActions; }\n\t\t\t\t},\n\t\t\t\tbindings: {\n\t\t\t\t\tget total() { return scope._bindings.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveBindings; }\n\t\t\t\t},\n\t\t\t\tcontrolInterpolants: {\n\t\t\t\t\tget total() { return scope._controlInterpolants.length; },\n\t\t\t\t\tget inUse() { return scope._nActiveControlInterpolants; }\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t},\n\n\t\t// Memory management for AnimationAction objects\n\n\t\t_isActiveAction: function( action ) {\n\n\t\t\tvar index = action._cacheIndex;\n\t\t\treturn index !== null && index < this._nActiveActions;\n\n\t\t},\n\n\t\t_addInactiveAction: function( action, clipUuid, rootUuid ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\t\tif ( actionsForClip === undefined ) {\n\n\t\t\t\tactionsForClip = {\n\n\t\t\t\t\tknownActions: [ action ],\n\t\t\t\t\tactionByRoot: {}\n\n\t\t\t\t};\n\n\t\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t\t} else {\n\n\t\t\t\tvar knownActions = actionsForClip.knownActions;\n\n\t\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\t\tknownActions.push( action );\n\n\t\t\t}\n\n\t\t\taction._cacheIndex = actions.length;\n\t\t\tactions.push( action );\n\n\t\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t\t},\n\n\t\t_removeInactiveAction: function( action ) {\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\t\tcacheIndex = action._cacheIndex;\n\n\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\tactions.pop();\n\n\t\t\taction._cacheIndex = null;\n\n\n\t\t\tvar clipUuid = action._clip.uuid,\n\t\t\t\tactionsByClip = this._actionsByClip,\n\t\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\t\tlastKnownAction =\n\t\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\t\tknownActionsForClip.pop();\n\n\t\t\taction._byClipCacheIndex = null;\n\n\n\t\t\tvar actionByRoot = actionsForClip.actionByRoot,\n\t\t\t\trootUuid = ( actions._localRoot || this._root ).uuid;\n\n\t\t\tdelete actionByRoot[ rootUuid ];\n\n\t\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t\t}\n\n\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t},\n\n\t\t_removeInactiveBindingsForAction: function( action ) {\n\n\t\t\tvar bindings = action._propertyBindings;\n\t\t\tfor ( var i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tvar binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions >| inactive actions ]\n\t\t\t// s a\n\t\t\t// <-swap->\n\t\t\t// a s\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\t\taction._cacheIndex = lastActiveIndex;\n\t\t\tactions[ lastActiveIndex ] = action;\n\n\t\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t\t},\n\n\t\t_takeBackAction: function( action ) {\n\n\t\t\t// [ active actions | inactive actions ]\n\t\t\t// [ active actions |< inactive actions ]\n\t\t\t// a s\n\t\t\t// <-swap->\n\t\t\t// s a\n\n\t\t\tvar actions = this._actions,\n\t\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\t\taction._cacheIndex = firstInactiveIndex;\n\t\t\tactions[ firstInactiveIndex ] = action;\n\n\t\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t\t},\n\n\t\t// Memory management for PropertyMixer objects\n\n\t\t_addInactiveBinding: function( binding, rootUuid, trackName ) {\n\n\t\t\tvar bindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tbindings = this._bindings;\n\n\t\t\tif ( bindingByName === undefined ) {\n\n\t\t\t\tbindingByName = {};\n\t\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t\t}\n\n\t\t\tbindingByName[ trackName ] = binding;\n\n\t\t\tbinding._cacheIndex = bindings.length;\n\t\t\tbindings.push( binding );\n\n\t\t},\n\n\t\t_removeInactiveBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tpropBinding = binding.binding,\n\t\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\t\ttrackName = propBinding.path,\n\t\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\t\tbindings.pop();\n\n\t\t\tdelete bindingByName[ trackName ];\n\n\t\t\tremove_empty_map: {\n\n\t\t\t\tfor ( var _ in bindingByName ) break remove_empty_map;\n\n\t\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t\t}\n\n\t\t},\n\n\t\t_lendBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\t\tbinding._cacheIndex = lastActiveIndex;\n\t\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t\t},\n\n\t\t_takeBackBinding: function( binding ) {\n\n\t\t\tvar bindings = this._bindings,\n\t\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t\t},\n\n\n\t\t// Memory management of Interpolants for weight and time scale\n\n\t\t_lendControlInterpolant: function() {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++,\n\t\t\t\tinterpolant = interpolants[ lastActiveIndex ];\n\n\t\t\tif ( interpolant === undefined ) {\n\n\t\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t\t}\n\n\t\t\treturn interpolant;\n\n\t\t},\n\n\t\t_takeBackControlInterpolant: function( interpolant ) {\n\n\t\t\tvar interpolants = this._controlInterpolants,\n\t\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t\t},\n\n\t\t_controlInterpolantsResultBuffer: new Float32Array( 1 )\n\n\t} );\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Uniform( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferGeometry() {\n\n\t\tBufferGeometry.call( this );\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.maxInstancedCount = undefined;\n\n\t}\n\n\tInstancedBufferGeometry.prototype = Object.create( BufferGeometry.prototype );\n\tInstancedBufferGeometry.prototype.constructor = InstancedBufferGeometry;\n\n\tInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\n\tInstancedBufferGeometry.prototype.addGroup = function ( start, count, materialIndex ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t};\n\n\tInstancedBufferGeometry.prototype.copy = function ( source ) {\n\n\t\tvar index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\tvar attributes = source.attributes;\n\n\t\tfor ( var name in attributes ) {\n\n\t\t\tvar attribute = attributes[ name ];\n\t\t\tthis.addAttribute( name, attribute.clone() );\n\n\t\t}\n\n\t\tvar groups = source.groups;\n\n\t\tfor ( var i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tvar group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\n\tInterleavedBufferAttribute.prototype = {\n\n\t\tconstructor: InterleavedBufferAttribute,\n\n\t\tisInterleavedBufferAttribute: true,\n\n\t\tget count() {\n\n\t\t\treturn this.data.count;\n\n\t\t},\n\n\t\tget array() {\n\n\t\t\treturn this.data.array;\n\n\t\t},\n\n\t\tsetX: function ( index, x ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetY: function ( index, y ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetZ: function ( index, z ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetW: function ( index, w ) {\n\n\t\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tgetX: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t\t},\n\n\t\tgetY: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\t},\n\n\t\tgetZ: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\t},\n\n\t\tgetW: function ( index ) {\n\n\t\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\t},\n\n\t\tsetXY: function ( index, x, y ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZ: function ( index, x, y, z ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetXYZW: function ( index, x, y, z, w ) {\n\n\t\t\tindex = index * this.data.stride + this.offset;\n\n\t\t\tthis.data.array[ index + 0 ] = x;\n\t\t\tthis.data.array[ index + 1 ] = y;\n\t\t\tthis.data.array[ index + 2 ] = z;\n\t\t\tthis.data.array[ index + 3 ] = w;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InterleavedBuffer( array, stride ) {\n\n\t\tthis.uuid = _Math.generateUUID();\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.dynamic = false;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tInterleavedBuffer.prototype = {\n\n\t\tconstructor: InterleavedBuffer,\n\n\t\tisInterleavedBuffer: true,\n\n\t\tset needsUpdate( value ) {\n\n\t\t\tif ( value === true ) this.version ++;\n\n\t\t},\n\n\t\tsetArray: function ( array ) {\n\n\t\t\tif ( Array.isArray( array ) ) {\n\n\t\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t\t}\n\n\t\t\tthis.count = array !== undefined ? array.length / this.stride : 0;\n\t\t\tthis.array = array;\n\n\t\t},\n\n\t\tsetDynamic: function ( value ) {\n\n\t\t\tthis.dynamic = value;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopy: function ( source ) {\n\n\t\t\tthis.array = new source.array.constructor( source.array );\n\t\t\tthis.count = source.count;\n\t\t\tthis.stride = source.stride;\n\t\t\tthis.dynamic = source.dynamic;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tcopyAt: function ( index1, attribute, index2 ) {\n\n\t\t\tindex1 *= this.stride;\n\t\t\tindex2 *= attribute.stride;\n\n\t\t\tfor ( var i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tset: function ( value, offset ) {\n\n\t\t\tif ( offset === undefined ) offset = 0;\n\n\t\t\tthis.array.set( value, offset );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {\n\n\t\tInterleavedBuffer.call( this, array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedInterleavedBuffer.prototype = Object.create( InterleavedBuffer.prototype );\n\tInstancedInterleavedBuffer.prototype.constructor = InstancedInterleavedBuffer;\n\n\tInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\n\tInstancedInterleavedBuffer.prototype.copy = function ( source ) {\n\n\t\tInterleavedBuffer.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author benaadams / https://twitter.com/ben_a_adams\n\t */\n\n\tfunction InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {\n\n\t\tBufferAttribute.call( this, array, itemSize );\n\n\t\tthis.meshPerAttribute = meshPerAttribute || 1;\n\n\t}\n\n\tInstancedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );\n\tInstancedBufferAttribute.prototype.constructor = InstancedBufferAttribute;\n\n\tInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\n\tInstancedBufferAttribute.prototype.copy = function ( source ) {\n\n\t\tBufferAttribute.prototype.copy.call( this, source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author bhouston / http://clara.io/\n\t * @author stephomi / http://stephaneginier.com/\n\t */\n\n\tfunction Raycaster( origin, direction, near, far ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near || 0;\n\t\tthis.far = far || Infinity;\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: {},\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t\tObject.defineProperties( this.params, {\n\t\t\tPointCloud: {\n\t\t\t\tget: function () {\n\t\t\t\t\tconsole.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );\n\t\t\t\t\treturn this.Points;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t}\n\n\tfunction ascSort( a, b ) {\n\n\t\treturn a.distance - b.distance;\n\n\t}\n\n\tfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tvar children = object.children;\n\n\t\t\tfor ( var i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t//\n\n\tRaycaster.prototype = {\n\n\t\tconstructor: Raycaster,\n\n\t\tlinePrecision: 1,\n\n\t\tset: function ( origin, direction ) {\n\n\t\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\t\tthis.ray.set( origin, direction );\n\n\t\t},\n\n\t\tsetFromCamera: function ( coords, camera ) {\n\n\t\t\tif ( (camera && camera.isPerspectiveCamera) ) {\n\n\t\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\n\t\t\t} else if ( (camera && camera.isOrthographicCamera) ) {\n\n\t\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type.' );\n\n\t\t\t}\n\n\t\t},\n\n\t\tintersectObject: function ( object, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tintersectObject( object, this, intersects, recursive );\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t},\n\n\t\tintersectObjects: function ( objects, recursive ) {\n\n\t\t\tvar intersects = [];\n\n\t\t\tif ( Array.isArray( objects ) === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );\n\t\t\t\treturn intersects;\n\n\t\t\t}\n\n\t\t\tfor ( var i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t\t}\n\n\t\t\tintersects.sort( ascSort );\n\n\t\t\treturn intersects;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Clock( autoStart ) {\n\n\t\tthis.autoStart = ( autoStart !== undefined ) ? autoStart : true;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tClock.prototype = {\n\n\t\tconstructor: Clock,\n\n\t\tstart: function () {\n\n\t\t\tthis.startTime = ( performance || Date ).now();\n\n\t\t\tthis.oldTime = this.startTime;\n\t\t\tthis.elapsedTime = 0;\n\t\t\tthis.running = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tthis.getElapsedTime();\n\t\t\tthis.running = false;\n\n\t\t},\n\n\t\tgetElapsedTime: function () {\n\n\t\t\tthis.getDelta();\n\t\t\treturn this.elapsedTime;\n\n\t\t},\n\n\t\tgetDelta: function () {\n\n\t\t\tvar diff = 0;\n\n\t\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\t\tthis.start();\n\n\t\t\t}\n\n\t\t\tif ( this.running ) {\n\n\t\t\t\tvar newTime = ( performance || Date ).now();\n\n\t\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\t\tthis.oldTime = newTime;\n\n\t\t\t\tthis.elapsedTime += diff;\n\n\t\t\t}\n\n\t\t\treturn diff;\n\n\t\t}\n\n\t};\n\n\t/**\n\t * Spline from Tween.js, slightly optimized (and trashed)\n\t * http://sole.github.com/tween.js/examples/05_spline.html\n\t *\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction Spline( points ) {\n\n\t\tthis.points = points;\n\n\t\tvar c = [], v3 = { x: 0, y: 0, z: 0 },\n\t\tpoint, intPoint, weight, w2, w3,\n\t\tpa, pb, pc, pd;\n\n\t\tthis.initFromArray = function ( a ) {\n\n\t\t\tthis.points = [];\n\n\t\t\tfor ( var i = 0; i < a.length; i ++ ) {\n\n\t\t\t\tthis.points[ i ] = { x: a[ i ][ 0 ], y: a[ i ][ 1 ], z: a[ i ][ 2 ] };\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getPoint = function ( k ) {\n\n\t\t\tpoint = ( this.points.length - 1 ) * k;\n\t\t\tintPoint = Math.floor( point );\n\t\t\tweight = point - intPoint;\n\n\t\t\tc[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;\n\t\t\tc[ 1 ] = intPoint;\n\t\t\tc[ 2 ] = intPoint > this.points.length - 2 ? this.points.length - 1 : intPoint + 1;\n\t\t\tc[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;\n\n\t\t\tpa = this.points[ c[ 0 ] ];\n\t\t\tpb = this.points[ c[ 1 ] ];\n\t\t\tpc = this.points[ c[ 2 ] ];\n\t\t\tpd = this.points[ c[ 3 ] ];\n\n\t\t\tw2 = weight * weight;\n\t\t\tw3 = weight * w2;\n\n\t\t\tv3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );\n\t\t\tv3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );\n\t\t\tv3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );\n\n\t\t\treturn v3;\n\n\t\t};\n\n\t\tthis.getControlPointsArray = function () {\n\n\t\t\tvar i, p, l = this.points.length,\n\t\t\t\tcoords = [];\n\n\t\t\tfor ( i = 0; i < l; i ++ ) {\n\n\t\t\t\tp = this.points[ i ];\n\t\t\t\tcoords[ i ] = [ p.x, p.y, p.z ];\n\n\t\t\t}\n\n\t\t\treturn coords;\n\n\t\t};\n\n\t\t// approximate length by summing linear segments\n\n\t\tthis.getLength = function ( nSubDivisions ) {\n\n\t\t\tvar i, index, nSamples, position,\n\t\t\t\tpoint = 0, intPoint = 0, oldIntPoint = 0,\n\t\t\t\toldPosition = new Vector3(),\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tchunkLengths = [],\n\t\t\t\ttotalLength = 0;\n\n\t\t\t// first point has 0 length\n\n\t\t\tchunkLengths[ 0 ] = 0;\n\n\t\t\tif ( ! nSubDivisions ) nSubDivisions = 100;\n\n\t\t\tnSamples = this.points.length * nSubDivisions;\n\n\t\t\toldPosition.copy( this.points[ 0 ] );\n\n\t\t\tfor ( i = 1; i < nSamples; i ++ ) {\n\n\t\t\t\tindex = i / nSamples;\n\n\t\t\t\tposition = this.getPoint( index );\n\t\t\t\ttmpVec.copy( position );\n\n\t\t\t\ttotalLength += tmpVec.distanceTo( oldPosition );\n\n\t\t\t\toldPosition.copy( position );\n\n\t\t\t\tpoint = ( this.points.length - 1 ) * index;\n\t\t\t\tintPoint = Math.floor( point );\n\n\t\t\t\tif ( intPoint !== oldIntPoint ) {\n\n\t\t\t\t\tchunkLengths[ intPoint ] = totalLength;\n\t\t\t\t\toldIntPoint = intPoint;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// last point ends with total length\n\n\t\t\tchunkLengths[ chunkLengths.length ] = totalLength;\n\n\t\t\treturn { chunks: chunkLengths, total: totalLength };\n\n\t\t};\n\n\t\tthis.reparametrizeByArcLength = function ( samplingCoef ) {\n\n\t\t\tvar i, j,\n\t\t\t\tindex, indexCurrent, indexNext,\n\t\t\t\trealDistance,\n\t\t\t\tsampling, position,\n\t\t\t\tnewpoints = [],\n\t\t\t\ttmpVec = new Vector3(),\n\t\t\t\tsl = this.getLength();\n\n\t\t\tnewpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );\n\n\t\t\tfor ( i = 1; i < this.points.length; i ++ ) {\n\n\t\t\t\t//tmpVec.copy( this.points[ i - 1 ] );\n\t\t\t\t//linearDistance = tmpVec.distanceTo( this.points[ i ] );\n\n\t\t\t\trealDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];\n\n\t\t\t\tsampling = Math.ceil( samplingCoef * realDistance / sl.total );\n\n\t\t\t\tindexCurrent = ( i - 1 ) / ( this.points.length - 1 );\n\t\t\t\tindexNext = i / ( this.points.length - 1 );\n\n\t\t\t\tfor ( j = 1; j < sampling - 1; j ++ ) {\n\n\t\t\t\t\tindex = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );\n\n\t\t\t\t\tposition = this.getPoint( index );\n\t\t\t\t\tnewpoints.push( tmpVec.copy( position ).clone() );\n\n\t\t\t\t}\n\n\t\t\t\tnewpoints.push( tmpVec.copy( this.points[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tthis.points = newpoints;\n\n\t\t};\n\n\t\t// Catmull-Rom\n\n\t\tfunction interpolate( p0, p1, p2, p3, t, t2, t3 ) {\n\n\t\t\tvar v0 = ( p2 - p0 ) * 0.5,\n\t\t\t\tv1 = ( p3 - p1 ) * 0.5;\n\n\t\t\treturn ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * @author bhouston / http://clara.io\n\t * @author WestLangley / http://github.com/WestLangley\n\t *\n\t * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n\t *\n\t * The poles (phi) are at the positive and negative y axis.\n\t * The equator starts at positive z.\n\t */\n\n\tfunction Spherical( radius, phi, theta ) {\n\n\t\tthis.radius = ( radius !== undefined ) ? radius : 1.0;\n\t\tthis.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole\n\t\tthis.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere\n\n\t\treturn this;\n\n\t}\n\n\tSpherical.prototype = {\n\n\t\tconstructor: Spherical,\n\n\t\tset: function ( radius, phi, theta ) {\n\n\t\t\tthis.radius = radius;\n\t\t\tthis.phi = phi;\n\t\t\tthis.theta = theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tclone: function () {\n\n\t\t\treturn new this.constructor().copy( this );\n\n\t\t},\n\n\t\tcopy: function ( other ) {\n\n\t\t\tthis.radius = other.radius;\n\t\t\tthis.phi = other.phi;\n\t\t\tthis.theta = other.theta;\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\t// restrict phi to be betwee EPS and PI-EPS\n\t\tmakeSafe: function() {\n\n\t\t\tvar EPS = 0.000001;\n\t\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\t\treturn this;\n\n\t\t},\n\n\t\tsetFromVector3: function( vec3 ) {\n\n\t\t\tthis.radius = vec3.length();\n\n\t\t\tif ( this.radius === 0 ) {\n\n\t\t\t\tthis.theta = 0;\n\t\t\t\tthis.phi = 0;\n\n\t\t\t} else {\n\n\t\t\t\tthis.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis\n\t\t\t\tthis.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t},\n\n\t};\n\n\t/**\r\n\t * @author alteredq / http://alteredqualia.com/\r\n\t */\r\n\r\n\tfunction MorphBlendMesh( geometry, material ) {\n\r\n\t\tMesh.call( this, geometry, material );\r\n\r\n\t\tthis.animationsMap = {};\r\n\t\tthis.animationsList = [];\r\n\r\n\t\t// prepare default animation\r\n\t\t// (all frames played together in 1 second)\r\n\r\n\t\tvar numFrames = this.geometry.morphTargets.length;\r\n\r\n\t\tvar name = \"__default\";\r\n\r\n\t\tvar startFrame = 0;\r\n\t\tvar endFrame = numFrames - 1;\r\n\r\n\t\tvar fps = numFrames / 1;\r\n\r\n\t\tthis.createAnimation( name, startFrame, endFrame, fps );\r\n\t\tthis.setAnimationWeight( name, 1 );\r\n\r\n\t}\r\n\r\n\tMorphBlendMesh.prototype = Object.create( Mesh.prototype );\r\n\tMorphBlendMesh.prototype.constructor = MorphBlendMesh;\r\n\r\n\tMorphBlendMesh.prototype.createAnimation = function ( name, start, end, fps ) {\r\n\r\n\t\tvar animation = {\r\n\r\n\t\t\tstart: start,\r\n\t\t\tend: end,\r\n\r\n\t\t\tlength: end - start + 1,\r\n\r\n\t\t\tfps: fps,\r\n\t\t\tduration: ( end - start ) / fps,\r\n\r\n\t\t\tlastFrame: 0,\r\n\t\t\tcurrentFrame: 0,\r\n\r\n\t\t\tactive: false,\r\n\r\n\t\t\ttime: 0,\r\n\t\t\tdirection: 1,\r\n\t\t\tweight: 1,\r\n\r\n\t\t\tdirectionBackwards: false,\r\n\t\t\tmirroredLoop: false\r\n\r\n\t\t};\r\n\r\n\t\tthis.animationsMap[ name ] = animation;\r\n\t\tthis.animationsList.push( animation );\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.autoCreateAnimations = function ( fps ) {\r\n\r\n\t\tvar pattern = /([a-z]+)_?(\\d+)/i;\r\n\r\n\t\tvar firstAnimation, frameRanges = {};\r\n\r\n\t\tvar geometry = this.geometry;\r\n\r\n\t\tfor ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar morph = geometry.morphTargets[ i ];\r\n\t\t\tvar chunks = morph.name.match( pattern );\r\n\r\n\t\t\tif ( chunks && chunks.length > 1 ) {\r\n\r\n\t\t\t\tvar name = chunks[ 1 ];\r\n\r\n\t\t\t\tif ( ! frameRanges[ name ] ) frameRanges[ name ] = { start: Infinity, end: - Infinity };\r\n\r\n\t\t\t\tvar range = frameRanges[ name ];\r\n\r\n\t\t\t\tif ( i < range.start ) range.start = i;\r\n\t\t\t\tif ( i > range.end ) range.end = i;\r\n\r\n\t\t\t\tif ( ! firstAnimation ) firstAnimation = name;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t\tfor ( var name in frameRanges ) {\r\n\r\n\t\t\tvar range = frameRanges[ name ];\r\n\t\t\tthis.createAnimation( name, range.start, range.end, fps );\r\n\r\n\t\t}\r\n\r\n\t\tthis.firstAnimation = firstAnimation;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionForward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = 1;\r\n\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDirectionBackward = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.direction = - 1;\r\n\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationFPS = function ( name, fps ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.fps = fps;\r\n\t\t\tanimation.duration = ( animation.end - animation.start ) / animation.fps;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationDuration = function ( name, duration ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.duration = duration;\r\n\t\t\tanimation.fps = ( animation.end - animation.start ) / animation.duration;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationWeight = function ( name, weight ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.weight = weight;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.setAnimationTime = function ( name, time ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = time;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationTime = function ( name ) {\r\n\r\n\t\tvar time = 0;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\ttime = animation.time;\r\n\r\n\t\t}\r\n\r\n\t\treturn time;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.getAnimationDuration = function ( name ) {\r\n\r\n\t\tvar duration = - 1;\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tduration = animation.duration;\r\n\r\n\t\t}\r\n\r\n\t\treturn duration;\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.playAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.time = 0;\r\n\t\t\tanimation.active = true;\r\n\r\n\t\t} else {\r\n\r\n\t\t\tconsole.warn( \"THREE.MorphBlendMesh: animation[\" + name + \"] undefined in .playAnimation()\" );\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.stopAnimation = function ( name ) {\r\n\r\n\t\tvar animation = this.animationsMap[ name ];\r\n\r\n\t\tif ( animation ) {\r\n\r\n\t\t\tanimation.active = false;\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tMorphBlendMesh.prototype.update = function ( delta ) {\r\n\r\n\t\tfor ( var i = 0, il = this.animationsList.length; i < il; i ++ ) {\r\n\r\n\t\t\tvar animation = this.animationsList[ i ];\r\n\r\n\t\t\tif ( ! animation.active ) continue;\r\n\r\n\t\t\tvar frameTime = animation.duration / animation.length;\r\n\r\n\t\t\tanimation.time += animation.direction * delta;\r\n\r\n\t\t\tif ( animation.mirroredLoop ) {\r\n\r\n\t\t\t\tif ( animation.time > animation.duration || animation.time < 0 ) {\r\n\r\n\t\t\t\t\tanimation.direction *= - 1;\r\n\r\n\t\t\t\t\tif ( animation.time > animation.duration ) {\r\n\r\n\t\t\t\t\t\tanimation.time = animation.duration;\r\n\t\t\t\t\t\tanimation.directionBackwards = true;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( animation.time < 0 ) {\r\n\r\n\t\t\t\t\t\tanimation.time = 0;\r\n\t\t\t\t\t\tanimation.directionBackwards = false;\r\n\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t}\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tanimation.time = animation.time % animation.duration;\r\n\r\n\t\t\t\tif ( animation.time < 0 ) animation.time += animation.duration;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar keyframe = animation.start + _Math.clamp( Math.floor( animation.time / frameTime ), 0, animation.length - 1 );\r\n\t\t\tvar weight = animation.weight;\r\n\r\n\t\t\tif ( keyframe !== animation.currentFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = 0;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = 1 * weight;\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ keyframe ] = 0;\r\n\r\n\t\t\t\tanimation.lastFrame = animation.currentFrame;\r\n\t\t\t\tanimation.currentFrame = keyframe;\r\n\r\n\t\t\t}\r\n\r\n\t\t\tvar mix = ( animation.time % frameTime ) / frameTime;\r\n\r\n\t\t\tif ( animation.directionBackwards ) mix = 1 - mix;\r\n\r\n\t\t\tif ( animation.currentFrame !== animation.lastFrame ) {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = mix * weight;\r\n\t\t\t\tthis.morphTargetInfluences[ animation.lastFrame ] = ( 1 - mix ) * weight;\r\n\r\n\t\t\t} else {\r\n\r\n\t\t\t\tthis.morphTargetInfluences[ animation.currentFrame ] = weight;\r\n\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tfunction ImmediateRenderObject( material ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.material = material;\n\t\tthis.render = function ( renderCallback ) {};\n\n\t}\n\n\tImmediateRenderObject.prototype = Object.create( Object3D.prototype );\n\tImmediateRenderObject.prototype.constructor = ImmediateRenderObject;\n\n\tImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction VertexNormalsHelper( object, size, hex, linewidth ) {\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xff0000;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length * 3;\n\n\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\tnNormals = objGeometry.attributes.normal.count;\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tVertexNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tVertexNormalsHelper.prototype.constructor = VertexNormalsHelper;\n\n\tVertexNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tvar keys = [ 'a', 'b', 'c' ];\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\t\tvar faces = objGeometry.faces;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\t\tfor ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tvar vertex = vertices[ face[ keys[ j ] ] ];\n\n\t\t\t\t\t\tvar normal = face.vertexNormals[ j ];\n\n\t\t\t\t\t\tv1.copy( vertex ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( (objGeometry && objGeometry.isBufferGeometry) ) {\n\n\t\t\t\tvar objPos = objGeometry.attributes.position;\n\n\t\t\t\tvar objNorm = objGeometry.attributes.normal;\n\n\t\t\t\tvar idx = 0;\n\n\t\t\t\t// for simplicity, ignore index and drawcalls, and render every normal\n\n\t\t\t\tfor ( var j = 0, jl = objPos.count; j < jl; j ++ ) {\n\n\t\t\t\t\tv1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );\n\n\t\t\t\t\tv2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );\n\n\t\t\t\t\tv2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\t\tidx = idx + 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction SpotLightHelper( light ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = [\n\t\t\t0, 0, 0, 0, 0, 1,\n\t\t\t0, 0, 0, 1, 0, 1,\n\t\t\t0, 0, 0, - 1, 0, 1,\n\t\t\t0, 0, 0, 0, 1, 1,\n\t\t\t0, 0, 0, 0, - 1, 1\n\t\t];\n\n\t\tfor ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tvar p1 = ( i / l ) * Math.PI * 2;\n\t\t\tvar p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( positions, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tSpotLightHelper.prototype = Object.create( Object3D.prototype );\n\tSpotLightHelper.prototype.constructor = SpotLightHelper;\n\n\tSpotLightHelper.prototype.dispose = function () {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t};\n\n\tSpotLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\t\tvar vector2 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tvar coneLength = this.light.distance ? this.light.distance : 1000;\n\t\t\tvar coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t\tvector.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tvector2.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\t\tthis.cone.lookAt( vector2.sub( vector ) );\n\n\t\t\tthis.cone.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author Sean Griffin / http://twitter.com/sgrif\n\t * @author Michael Guerrero / http://realitymeltdown.com\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author ikerr / http://verold.com\n\t */\n\n\tfunction SkeletonHelper( object ) {\n\n\t\tthis.bones = this.getBoneList( object );\n\n\t\tvar geometry = new Geometry();\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\t\tgeometry.colors.push( new Color( 0, 0, 1 ) );\n\t\t\t\tgeometry.colors.push( new Color( 0, 1, 0 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.dynamic = true;\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.root = object;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\n\tSkeletonHelper.prototype = Object.create( LineSegments.prototype );\n\tSkeletonHelper.prototype.constructor = SkeletonHelper;\n\n\tSkeletonHelper.prototype.getBoneList = function( object ) {\n\n\t\tvar boneList = [];\n\n\t\tif ( (object && object.isBone) ) {\n\n\t\t\tboneList.push( object );\n\n\t\t}\n\n\t\tfor ( var i = 0; i < object.children.length; i ++ ) {\n\n\t\t\tboneList.push.apply( boneList, this.getBoneList( object.children[ i ] ) );\n\n\t\t}\n\n\t\treturn boneList;\n\n\t};\n\n\tSkeletonHelper.prototype.update = function () {\n\n\t\tvar geometry = this.geometry;\n\n\t\tvar matrixWorldInv = new Matrix4().getInverse( this.root.matrixWorld );\n\n\t\tvar boneMatrix = new Matrix4();\n\n\t\tvar j = 0;\n\n\t\tfor ( var i = 0; i < this.bones.length; i ++ ) {\n\n\t\t\tvar bone = this.bones[ i ];\n\n\t\t\tif ( (bone.parent && bone.parent.isBone) ) {\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );\n\t\t\t\tgeometry.vertices[ j ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tboneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\tgeometry.vertices[ j + 1 ].setFromMatrixPosition( boneMatrix );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.verticesNeedUpdate = true;\n\n\t\tgeometry.computeBoundingSphere();\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction PointLightHelper( light, sphereSize ) {\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tvar geometry = new SphereBufferGeometry( sphereSize, 4, 2 );\n\t\tvar material = new MeshBasicMaterial( { wireframe: true, fog: false } );\n\t\tmaterial.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\tMesh.call( this, geometry, material );\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/*\n\t\tvar distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\t\tvar distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\t\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\t\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\t\tvar d = light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\n\t\tthis.add( this.lightDistance );\n\t\t*/\n\n\t}\n\n\tPointLightHelper.prototype = Object.create( Mesh.prototype );\n\tPointLightHelper.prototype.constructor = PointLightHelper;\n\n\tPointLightHelper.prototype.dispose = function () {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t};\n\n\tPointLightHelper.prototype.update = function () {\n\n\t\tthis.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t/*\n\t\tvar d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t};\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction HemisphereLightHelper( light, sphereSize ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.colors = [ new Color(), new Color() ];\n\n\t\tvar geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tgeometry.rotateX( - Math.PI / 2 );\n\n\t\tfor ( var i = 0, il = 8; i < il; i ++ ) {\n\n\t\t\tgeometry.faces[ i ].color = this.colors[ i < 4 ? 0 : 1 ];\n\n\t\t}\n\n\t\tvar material = new MeshBasicMaterial( { vertexColors: FaceColors, wireframe: true } );\n\n\t\tthis.lightSphere = new Mesh( geometry, material );\n\t\tthis.add( this.lightSphere );\n\n\t\tthis.update();\n\n\t}\n\n\tHemisphereLightHelper.prototype = Object.create( Object3D.prototype );\n\tHemisphereLightHelper.prototype.constructor = HemisphereLightHelper;\n\n\tHemisphereLightHelper.prototype.dispose = function () {\n\n\t\tthis.lightSphere.geometry.dispose();\n\t\tthis.lightSphere.material.dispose();\n\n\t};\n\n\tHemisphereLightHelper.prototype.update = function () {\n\n\t\tvar vector = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tthis.colors[ 0 ].copy( this.light.color ).multiplyScalar( this.light.intensity );\n\t\t\tthis.colors[ 1 ].copy( this.light.groundColor ).multiplyScalar( this.light.intensity );\n\n\t\t\tthis.lightSphere.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\t\t\tthis.lightSphere.geometry.colorsNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction GridHelper( size, divisions, color1, color2 ) {\n\n\t\tdivisions = divisions || 1;\n\t\tcolor1 = new Color( color1 !== undefined ? color1 : 0x444444 );\n\t\tcolor2 = new Color( color2 !== undefined ? color2 : 0x888888 );\n\n\t\tvar center = divisions / 2;\n\t\tvar step = ( size * 2 ) / divisions;\n\t\tvar vertices = [], colors = [];\n\n\t\tfor ( var i = 0, j = 0, k = - size; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - size, 0, k, size, 0, k );\n\t\t\tvertices.push( k, 0, - size, k, 0, size );\n\n\t\t\tvar color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new Float32Attribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tGridHelper.prototype = Object.create( LineSegments.prototype );\n\tGridHelper.prototype.constructor = GridHelper;\n\n\tGridHelper.prototype.setColors = function () {\n\n\t\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t*/\n\n\tfunction FaceNormalsHelper( object, size, hex, linewidth ) {\n\n\t\t// FaceNormalsHelper only supports THREE.Geometry\n\n\t\tthis.object = object;\n\n\t\tthis.size = ( size !== undefined ) ? size : 1;\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0xffff00;\n\n\t\tvar width = ( linewidth !== undefined ) ? linewidth : 1;\n\n\t\t//\n\n\t\tvar nNormals = 0;\n\n\t\tvar objGeometry = this.object.geometry;\n\n\t\tif ( (objGeometry && objGeometry.isGeometry) ) {\n\n\t\t\tnNormals = objGeometry.faces.length;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );\n\n\t\t}\n\n\t\t//\n\n\t\tvar geometry = new BufferGeometry();\n\n\t\tvar positions = new Float32Attribute( nNormals * 2 * 3, 3 );\n\n\t\tgeometry.addAttribute( 'position', positions );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );\n\n\t\t//\n\n\t\tthis.matrixAutoUpdate = false;\n\t\tthis.update();\n\n\t}\n\n\tFaceNormalsHelper.prototype = Object.create( LineSegments.prototype );\n\tFaceNormalsHelper.prototype.constructor = FaceNormalsHelper;\n\n\tFaceNormalsHelper.prototype.update = ( function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar normalMatrix = new Matrix3();\n\n\t\treturn function update() {\n\n\t\t\tthis.object.updateMatrixWorld( true );\n\n\t\t\tnormalMatrix.getNormalMatrix( this.object.matrixWorld );\n\n\t\t\tvar matrixWorld = this.object.matrixWorld;\n\n\t\t\tvar position = this.geometry.attributes.position;\n\n\t\t\t//\n\n\t\t\tvar objGeometry = this.object.geometry;\n\n\t\t\tvar vertices = objGeometry.vertices;\n\n\t\t\tvar faces = objGeometry.faces;\n\n\t\t\tvar idx = 0;\n\n\t\t\tfor ( var i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tvar face = faces[ i ];\n\n\t\t\t\tvar normal = face.normal;\n\n\t\t\t\tv1.copy( vertices[ face.a ] )\n\t\t\t\t\t.add( vertices[ face.b ] )\n\t\t\t\t\t.add( vertices[ face.c ] )\n\t\t\t\t\t.divideScalar( 3 )\n\t\t\t\t\t.applyMatrix4( matrixWorld );\n\n\t\t\t\tv2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );\n\n\t\t\t\tposition.setXYZ( idx, v1.x, v1.y, v1.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t\tposition.setXYZ( idx, v2.x, v2.y, v2.z );\n\n\t\t\t\tidx = idx + 1;\n\n\t\t\t}\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}() );\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author mrdoob / http://mrdoob.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\tfunction DirectionalLightHelper( light, size ) {\n\n\t\tObject3D.call( this );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [\n\t\t\t- size, size, 0,\n\t\t\t size, size, 0,\n\t\t\t size, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { fog: false } );\n\n\t\tthis.add( new Line( geometry, material ) );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.add( new Line( geometry, material ));\n\n\t\tthis.update();\n\n\t}\n\n\tDirectionalLightHelper.prototype = Object.create( Object3D.prototype );\n\tDirectionalLightHelper.prototype.constructor = DirectionalLightHelper;\n\n\tDirectionalLightHelper.prototype.dispose = function () {\n\n\t\tvar lightPlane = this.children[ 0 ];\n\t\tvar targetLine = this.children[ 1 ];\n\n\t\tlightPlane.geometry.dispose();\n\t\tlightPlane.material.dispose();\n\t\ttargetLine.geometry.dispose();\n\t\ttargetLine.material.dispose();\n\n\t};\n\n\tDirectionalLightHelper.prototype.update = function () {\n\n\t\tvar v1 = new Vector3();\n\t\tvar v2 = new Vector3();\n\t\tvar v3 = new Vector3();\n\n\t\treturn function update() {\n\n\t\t\tv1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t\tv2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t\tv3.subVectors( v2, v1 );\n\n\t\t\tvar lightPlane = this.children[ 0 ];\n\t\t\tvar targetLine = this.children[ 1 ];\n\n\t\t\tlightPlane.lookAt( v3 );\n\t\t\tlightPlane.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );\n\n\t\t\ttargetLine.lookAt( v3 );\n\t\t\ttargetLine.scale.z = v3.length();\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t *\n\t *\t- shows frustum, line of sight and up of the camera\n\t *\t- suitable for fast updates\n\t * \t- based on frustum visualization in lightgl.js shadowmap example\n\t *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n\t */\n\n\tfunction CameraHelper( camera ) {\n\n\t\tvar geometry = new Geometry();\n\t\tvar material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );\n\n\t\tvar pointMap = {};\n\n\t\t// colors\n\n\t\tvar hexFrustum = 0xffaa00;\n\t\tvar hexCone = 0xff0000;\n\t\tvar hexUp = 0x00aaff;\n\t\tvar hexTarget = 0xffffff;\n\t\tvar hexCross = 0x333333;\n\n\t\t// near\n\n\t\taddLine( \"n1\", \"n2\", hexFrustum );\n\t\taddLine( \"n2\", \"n4\", hexFrustum );\n\t\taddLine( \"n4\", \"n3\", hexFrustum );\n\t\taddLine( \"n3\", \"n1\", hexFrustum );\n\n\t\t// far\n\n\t\taddLine( \"f1\", \"f2\", hexFrustum );\n\t\taddLine( \"f2\", \"f4\", hexFrustum );\n\t\taddLine( \"f4\", \"f3\", hexFrustum );\n\t\taddLine( \"f3\", \"f1\", hexFrustum );\n\n\t\t// sides\n\n\t\taddLine( \"n1\", \"f1\", hexFrustum );\n\t\taddLine( \"n2\", \"f2\", hexFrustum );\n\t\taddLine( \"n3\", \"f3\", hexFrustum );\n\t\taddLine( \"n4\", \"f4\", hexFrustum );\n\n\t\t// cone\n\n\t\taddLine( \"p\", \"n1\", hexCone );\n\t\taddLine( \"p\", \"n2\", hexCone );\n\t\taddLine( \"p\", \"n3\", hexCone );\n\t\taddLine( \"p\", \"n4\", hexCone );\n\n\t\t// up\n\n\t\taddLine( \"u1\", \"u2\", hexUp );\n\t\taddLine( \"u2\", \"u3\", hexUp );\n\t\taddLine( \"u3\", \"u1\", hexUp );\n\n\t\t// target\n\n\t\taddLine( \"c\", \"t\", hexTarget );\n\t\taddLine( \"p\", \"c\", hexCross );\n\n\t\t// cross\n\n\t\taddLine( \"cn1\", \"cn2\", hexCross );\n\t\taddLine( \"cn3\", \"cn4\", hexCross );\n\n\t\taddLine( \"cf1\", \"cf2\", hexCross );\n\t\taddLine( \"cf3\", \"cf4\", hexCross );\n\n\t\tfunction addLine( a, b, hex ) {\n\n\t\t\taddPoint( a, hex );\n\t\t\taddPoint( b, hex );\n\n\t\t}\n\n\t\tfunction addPoint( id, hex ) {\n\n\t\t\tgeometry.vertices.push( new Vector3() );\n\t\t\tgeometry.colors.push( new Color( hex ) );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( geometry.vertices.length - 1 );\n\n\t\t}\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t\tthis.camera = camera;\n\t\tif( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tCameraHelper.prototype = Object.create( LineSegments.prototype );\n\tCameraHelper.prototype.constructor = CameraHelper;\n\n\tCameraHelper.prototype.update = function () {\n\n\t\tvar geometry, pointMap;\n\n\t\tvar vector = new Vector3();\n\t\tvar camera = new Camera();\n\n\t\tfunction setPoint( point, x, y, z ) {\n\n\t\t\tvector.set( x, y, z ).unproject( camera );\n\n\t\t\tvar points = pointMap[ point ];\n\n\t\t\tif ( points !== undefined ) {\n\n\t\t\t\tfor ( var i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\t\t\tgeometry.vertices[ points[ i ] ].copy( vector );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn function update() {\n\n\t\t\tgeometry = this.geometry;\n\t\t\tpointMap = this.pointMap;\n\n\t\t\tvar w = 1, h = 1;\n\n\t\t\t// we need just camera projection matrix\n\t\t\t// world matrix must be identity\n\n\t\t\tcamera.projectionMatrix.copy( this.camera.projectionMatrix );\n\n\t\t\t// center / target\n\n\t\t\tsetPoint( \"c\", 0, 0, - 1 );\n\t\t\tsetPoint( \"t\", 0, 0, 1 );\n\n\t\t\t// near\n\n\t\t\tsetPoint( \"n1\", - w, - h, - 1 );\n\t\t\tsetPoint( \"n2\", w, - h, - 1 );\n\t\t\tsetPoint( \"n3\", - w, h, - 1 );\n\t\t\tsetPoint( \"n4\", w, h, - 1 );\n\n\t\t\t// far\n\n\t\t\tsetPoint( \"f1\", - w, - h, 1 );\n\t\t\tsetPoint( \"f2\", w, - h, 1 );\n\t\t\tsetPoint( \"f3\", - w, h, 1 );\n\t\t\tsetPoint( \"f4\", w, h, 1 );\n\n\t\t\t// up\n\n\t\t\tsetPoint( \"u1\", w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u2\", - w * 0.7, h * 1.1, - 1 );\n\t\t\tsetPoint( \"u3\", 0, h * 2, - 1 );\n\n\t\t\t// cross\n\n\t\t\tsetPoint( \"cf1\", - w, 0, 1 );\n\t\t\tsetPoint( \"cf2\", w, 0, 1 );\n\t\t\tsetPoint( \"cf3\", 0, - h, 1 );\n\t\t\tsetPoint( \"cf4\", 0, h, 1 );\n\n\t\t\tsetPoint( \"cn1\", - w, 0, - 1 );\n\t\t\tsetPoint( \"cn2\", w, 0, - 1 );\n\t\t\tsetPoint( \"cn3\", 0, - h, - 1 );\n\t\t\tsetPoint( \"cn4\", 0, h, - 1 );\n\n\t\t\tgeometry.verticesNeedUpdate = true;\n\n\t\t};\n\n\t}();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t */\n\n\t// a helper to show the world-axis-aligned bounding box for an object\n\n\tfunction BoundingBoxHelper( object, hex ) {\n\n\t\tvar color = ( hex !== undefined ) ? hex : 0x888888;\n\n\t\tthis.object = object;\n\n\t\tthis.box = new Box3();\n\n\t\tMesh.call( this, new BoxGeometry( 1, 1, 1 ), new MeshBasicMaterial( { color: color, wireframe: true } ) );\n\n\t}\n\n\tBoundingBoxHelper.prototype = Object.create( Mesh.prototype );\n\tBoundingBoxHelper.prototype.constructor = BoundingBoxHelper;\n\n\tBoundingBoxHelper.prototype.update = function () {\n\n\t\tthis.box.setFromObject( this.object );\n\n\t\tthis.box.getSize( this.scale );\n\n\t\tthis.box.getCenter( this.position );\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction BoxHelper( object, color ) {\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\n\t\tvar indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tvar positions = new Float32Array( 8 * 3 );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tLineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tthis.update( object );\n\n\t\t}\n\n\t}\n\n\tBoxHelper.prototype = Object.create( LineSegments.prototype );\n\tBoxHelper.prototype.constructor = BoxHelper;\n\n\tBoxHelper.prototype.update = ( function () {\n\n\t\tvar box = new Box3();\n\n\t\treturn function update( object ) {\n\n\t\t\tif ( (object && object.isBox3) ) {\n\n\t\t\t\tbox.copy( object );\n\n\t\t\t} else {\n\n\t\t\t\tbox.setFromObject( object );\n\n\t\t\t}\n\n\t\t\tif ( box.isEmpty() ) return;\n\n\t\t\tvar min = box.min;\n\t\t\tvar max = box.max;\n\n\t\t\t/*\n\t\t\t 5____4\n\t\t\t1/___0/|\n\t\t\t| 6__|_7\n\t\t\t2/___3/\n\n\t\t\t0: max.x, max.y, max.z\n\t\t\t1: min.x, max.y, max.z\n\t\t\t2: min.x, min.y, max.z\n\t\t\t3: max.x, min.y, max.z\n\t\t\t4: max.x, max.y, min.z\n\t\t\t5: min.x, max.y, min.z\n\t\t\t6: min.x, min.y, min.z\n\t\t\t7: max.x, min.y, min.z\n\t\t\t*/\n\n\t\t\tvar position = this.geometry.attributes.position;\n\t\t\tvar array = position.array;\n\n\t\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t\tthis.geometry.computeBoundingSphere();\n\n\t\t};\n\n\t} )();\n\n\t/**\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author zz85 / http://github.com/zz85\n\t * @author bhouston / http://clara.io\n\t *\n\t * Creates an arrow for visualizing directions\n\t *\n\t * Parameters:\n\t * dir - Vector3\n\t * origin - Vector3\n\t * length - Number\n\t * color - color in hex value\n\t * headLength - Number\n\t * headWidth - Number\n\t */\n\n\tvar lineGeometry = new BufferGeometry();\n\tlineGeometry.addAttribute( 'position', new Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\tvar coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );\n\tconeGeometry.translate( 0, - 0.5, 0 );\n\n\tfunction ArrowHelper( dir, origin, length, color, headLength, headWidth ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tObject3D.call( this );\n\n\t\tif ( color === undefined ) color = 0xffff00;\n\t\tif ( length === undefined ) length = 1;\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tArrowHelper.prototype = Object.create( Object3D.prototype );\n\tArrowHelper.prototype.constructor = ArrowHelper;\n\n\tArrowHelper.prototype.setDirection = ( function () {\n\n\t\tvar axis = new Vector3();\n\t\tvar radians;\n\n\t\treturn function setDirection( dir ) {\n\n\t\t\t// dir is assumed to be normalized\n\n\t\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\taxis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\t\tradians = Math.acos( dir.y );\n\n\t\t\t\tthis.quaternion.setFromAxisAngle( axis, radians );\n\n\t\t\t}\n\n\t\t};\n\n\t}() );\n\n\tArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {\n\n\t\tif ( headLength === undefined ) headLength = 0.2 * length;\n\t\tif ( headWidth === undefined ) headWidth = 0.2 * headLength;\n\n\t\tthis.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t};\n\n\tArrowHelper.prototype.setColor = function ( color ) {\n\n\t\tthis.line.material.color.copy( color );\n\t\tthis.cone.material.color.copy( color );\n\n\t};\n\n\t/**\n\t * @author sroucheray / http://sroucheray.org/\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction AxisHelper( size ) {\n\n\t\tsize = size || 1;\n\n\t\tvar vertices = new Float32Array( [\n\t\t\t0, 0, 0, size, 0, 0,\n\t\t\t0, 0, 0, 0, size, 0,\n\t\t\t0, 0, 0, 0, 0, size\n\t\t] );\n\n\t\tvar colors = new Float32Array( [\n\t\t\t1, 0, 0, 1, 0.6, 0,\n\t\t\t0, 1, 0, 0.6, 1, 0,\n\t\t\t0, 0, 1, 0, 0.6, 1\n\t\t] );\n\n\t\tvar geometry = new BufferGeometry();\n\t\tgeometry.addAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\tgeometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tvar material = new LineBasicMaterial( { vertexColors: VertexColors } );\n\n\t\tLineSegments.call( this, geometry, material );\n\n\t}\n\n\tAxisHelper.prototype = Object.create( LineSegments.prototype );\n\tAxisHelper.prototype.constructor = AxisHelper;\n\n\t/**\n\t * @author zz85 https://github.com/zz85\n\t *\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t * cusps and self-intersections in non-uniform catmull rom curves.\n\t * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t *\n\t * curve.type accepts centripetal(default), chordal and catmullrom\n\t * curve.tension is used for catmullrom which defaults to 0.5\n\t */\n\n\tvar CatmullRomCurve3 = ( function() {\n\n\t\tvar\n\t\t\ttmp = new Vector3(),\n\t\t\tpx = new CubicPoly(),\n\t\t\tpy = new CubicPoly(),\n\t\t\tpz = new CubicPoly();\n\n\t\t/*\n\t\tBased on an optimized c++ solution in\n\t\t - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t\t - http://ideone.com/NoEbVM\n\n\t\tThis CubicPoly class could be used for reusing some variables and calculations,\n\t\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\t\twhich can be placed in CurveUtils.\n\t\t*/\n\n\t\tfunction CubicPoly() {}\n\n\t\t/*\n\t\t * Compute coefficients for a cubic polynomial\n\t\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t\t * such that\n\t\t * p(0) = x0, p(1) = x1\n\t\t * and\n\t\t * p'(0) = t0, p'(1) = t1.\n\t\t */\n\t\tCubicPoly.prototype.init = function( x0, x1, t0, t1 ) {\n\n\t\t\tthis.c0 = x0;\n\t\t\tthis.c1 = t0;\n\t\t\tthis.c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\t\tthis.c3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t\t};\n\n\t\tCubicPoly.prototype.initNonuniformCatmullRom = function( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tvar t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tvar t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\t// initCubicPoly\n\t\t\tthis.init( x1, x2, t1, t2 );\n\n\t\t};\n\n\t\t// standard Catmull-Rom spline: interpolate between x1 and x2 with previous/following points x1/x4\n\t\tCubicPoly.prototype.initCatmullRom = function( x0, x1, x2, x3, tension ) {\n\n\t\t\tthis.init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t};\n\n\t\tCubicPoly.prototype.calc = function( t ) {\n\n\t\t\tvar t2 = t * t;\n\t\t\tvar t3 = t2 * t;\n\t\t\treturn this.c0 + this.c1 * t + this.c2 * t2 + this.c3 * t3;\n\n\t\t};\n\n\t\t// Subclass Three.js curve\n\t\treturn Curve.create(\n\n\t\t\tfunction ( p /* array of Vector3 */ ) {\n\n\t\t\t\tthis.points = p || [];\n\t\t\t\tthis.closed = false;\n\n\t\t\t},\n\n\t\t\tfunction ( t ) {\n\n\t\t\t\tvar points = this.points,\n\t\t\t\t\tpoint, intPoint, weight, l;\n\n\t\t\t\tl = points.length;\n\n\t\t\t\tif ( l < 2 ) console.log( 'duh, you need at least 2 points' );\n\n\t\t\t\tpoint = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\t\t\tintPoint = Math.floor( point );\n\t\t\t\tweight = point - intPoint;\n\n\t\t\t\tif ( this.closed ) {\n\n\t\t\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;\n\n\t\t\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\t\t\tintPoint = l - 2;\n\t\t\t\t\tweight = 1;\n\n\t\t\t\t}\n\n\t\t\t\tvar p0, p1, p2, p3; // 4 points\n\n\t\t\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate first point\n\t\t\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\t\t\tp0 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tp1 = points[ intPoint % l ];\n\t\t\t\tp2 = points[ ( intPoint + 1 ) % l ];\n\n\t\t\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// extrapolate last point\n\t\t\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\t\t\tp3 = tmp;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.type === undefined || this.type === 'centripetal' || this.type === 'chordal' ) {\n\n\t\t\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\t\t\tvar pow = this.type === 'chordal' ? 0.5 : 0.25;\n\t\t\t\t\tvar dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\t\t\tvar dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\t\t\tvar dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t\t\t// safety check for repeated points\n\t\t\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t\t\t} else if ( this.type === 'catmullrom' ) {\n\n\t\t\t\t\tvar tension = this.tension !== undefined ? this.tension : 0.5;\n\t\t\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, tension );\n\t\t\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, tension );\n\t\t\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, tension );\n\n\t\t\t\t}\n\n\t\t\t\tvar v = new Vector3(\n\t\t\t\t\tpx.calc( weight ),\n\t\t\t\t\tpy.calc( weight ),\n\t\t\t\t\tpz.calc( weight )\n\t\t\t\t);\n\n\t\t\t\treturn v;\n\n\t\t\t}\n\n\t\t);\n\n\t} )();\n\n\t/**************************************************************\n\t *\tClosed Spline 3D curve\n\t **************************************************************/\n\n\n\tfunction ClosedSplineCurve3( points ) {\n\n\t\tconsole.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Please use THREE.CatmullRomCurve3.' );\n\n\t\tCatmullRomCurve3.call( this, points );\n\t\tthis.type = 'catmullrom';\n\t\tthis.closed = true;\n\n\t}\n\n\tClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );\n\n\t/**************************************************************\n\t *\tSpline 3D curve\n\t **************************************************************/\n\n\n\tvar SplineCurve3 = Curve.create(\n\n\t\tfunction ( points /* array of Vector3 */ ) {\n\n\t\t\tconsole.warn( 'THREE.SplineCurve3 will be deprecated. Please use THREE.CatmullRomCurve3' );\n\t\t\tthis.points = ( points === undefined ) ? [] : points;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar points = this.points;\n\t\t\tvar point = ( points.length - 1 ) * t;\n\n\t\t\tvar intPoint = Math.floor( point );\n\t\t\tvar weight = point - intPoint;\n\n\t\t\tvar point0 = points[ intPoint == 0 ? intPoint : intPoint - 1 ];\n\t\t\tvar point1 = points[ intPoint ];\n\t\t\tvar point2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\t\tvar point3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\t\tvar interpolate = CurveUtils.interpolate;\n\n\t\t\treturn new Vector3(\n\t\t\t\tinterpolate( point0.x, point1.x, point2.x, point3.x, weight ),\n\t\t\t\tinterpolate( point0.y, point1.y, point2.y, point3.y, weight ),\n\t\t\t\tinterpolate( point0.z, point1.z, point2.z, point3.z, weight )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tCubic Bezier 3D curve\n\t **************************************************************/\n\n\tvar CubicBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2, v3 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\t\t\tthis.v3 = v3;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b3 = ShapeUtils.b3;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x ),\n\t\t\t\tb3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y ),\n\t\t\t\tb3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tQuadratic Bezier 3D curve\n\t **************************************************************/\n\n\tvar QuadraticBezierCurve3 = Curve.create(\n\n\t\tfunction ( v0, v1, v2 ) {\n\n\t\t\tthis.v0 = v0;\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tvar b2 = ShapeUtils.b2;\n\n\t\t\treturn new Vector3(\n\t\t\t\tb2( t, this.v0.x, this.v1.x, this.v2.x ),\n\t\t\t\tb2( t, this.v0.y, this.v1.y, this.v2.y ),\n\t\t\t\tb2( t, this.v0.z, this.v1.z, this.v2.z )\n\t\t\t);\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tLine3D\n\t **************************************************************/\n\n\tvar LineCurve3 = Curve.create(\n\n\t\tfunction ( v1, v2 ) {\n\n\t\t\tthis.v1 = v1;\n\t\t\tthis.v2 = v2;\n\n\t\t},\n\n\t\tfunction ( t ) {\n\n\t\t\tif ( t === 1 ) {\n\n\t\t\t\treturn this.v2.clone();\n\n\t\t\t}\n\n\t\t\tvar vector = new Vector3();\n\n\t\t\tvector.subVectors( this.v2, this.v1 ); // diff\n\t\t\tvector.multiplyScalar( t );\n\t\t\tvector.add( this.v1 );\n\n\t\t\treturn vector;\n\n\t\t}\n\n\t);\n\n\t/**************************************************************\n\t *\tArc curve\n\t **************************************************************/\n\n\tfunction ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tEllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t}\n\n\tArcCurve.prototype = Object.create( EllipseCurve.prototype );\n\tArcCurve.prototype.constructor = ArcCurve;\n\n\t/**\n\t * @author alteredq / http://alteredqualia.com/\n\t */\n\n\tvar SceneUtils = {\n\n\t\tcreateMultiMaterialObject: function ( geometry, materials ) {\n\n\t\t\tvar group = new Group();\n\n\t\t\tfor ( var i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\tgroup.add( new Mesh( geometry, materials[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t},\n\n\t\tdetach: function ( child, parent, scene ) {\n\n\t\t\tchild.applyMatrix( parent.matrixWorld );\n\t\t\tparent.remove( child );\n\t\t\tscene.add( child );\n\n\t\t},\n\n\t\tattach: function ( child, scene, parent ) {\n\n\t\t\tvar matrixWorldInverse = new Matrix4();\n\t\t\tmatrixWorldInverse.getInverse( parent.matrixWorld );\n\t\t\tchild.applyMatrix( matrixWorldInverse );\n\n\t\t\tscene.remove( child );\n\t\t\tparent.add( child );\n\n\t\t}\n\n\t};\n\n\t/**\n\t * @author mrdoob / http://mrdoob.com/\n\t */\n\n\tfunction Face4 ( a, b, c, d, normal, color, materialIndex ) {\n\t\tconsole.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );\n\t\treturn new Face3( a, b, c, normal, color, materialIndex );\n\t}\n\n\tvar LineStrip = 0;\n\n\tvar LinePieces = 1;\n\n\tfunction PointCloud ( geometry, material ) {\n\t\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction ParticleSystem ( geometry, material ) {\n\t\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\t\treturn new Points( geometry, material );\n\t}\n\n\tfunction PointCloudMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleBasicMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction ParticleSystemMaterial ( parameters ) {\n\t\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\t\treturn new PointsMaterial( parameters );\n\t}\n\n\tfunction Vertex ( x, y, z ) {\n\t\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\t\treturn new Vector3( x, y, z );\n\t}\n\n\t//\n\n\tfunction EdgesHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\t\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\tfunction WireframeHelper( object, hex ) {\n\t\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\t\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\t}\n\n\t//\n\n\tObject.assign( Box2.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Box3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t},\n\t\tempty: function () {\n\t\t\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\t\t\treturn this.isEmpty();\n\t\t},\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t},\n\t\tsize: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\t\t\treturn this.getSize( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Line3.prototype, {\n\t\tcenter: function ( optionalTarget ) {\n\t\t\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\t\t\treturn this.getCenter( optionalTarget );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix3.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix3( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t}\n\t} );\n\n\tObject.assign( Matrix4.prototype, {\n\t\textractPosition: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\t\t\treturn this.copyPosition( m );\n\t\t},\n\t\tsetRotationFromQuaternion: function ( q ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\t\t\treturn this.makeRotationFromQuaternion( q );\n\t\t},\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) or vector.applyProjection( matrix ) instead.' );\n\t\t\treturn vector.applyProjection( this );\n\t\t},\n\t\tmultiplyVector4: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\tmultiplyVector3Array: function ( a ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );\n\t\t\treturn this.applyToVector3Array( a );\n\t\t},\n\t\trotateAxis: function ( v ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\t\t\tv.transformDirection( this );\n\t\t},\n\t\tcrossVector: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\t\t\treturn vector.applyMatrix4( this );\n\t\t},\n\t\ttranslate: function ( v ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\t\t},\n\t\trotateX: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\t\t},\n\t\trotateY: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\t\t},\n\t\trotateZ: function ( angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\t\t},\n\t\trotateByAxis: function ( axis, angle ) {\n\t\t\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.assign( Plane.prototype, {\n\t\tisIntersectionLine: function ( line ) {\n\t\t\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\t\t\treturn this.intersectsLine( line );\n\t\t}\n\t} );\n\n\tObject.assign( Quaternion.prototype, {\n\t\tmultiplyVector3: function ( vector ) {\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\t\t\treturn vector.applyQuaternion( this );\n\t\t}\n\t} );\n\n\tObject.assign( Ray.prototype, {\n\t\tisIntersectionBox: function ( box ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\t\t\treturn this.intersectsBox( box );\n\t\t},\n\t\tisIntersectionPlane: function ( plane ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\t\t\treturn this.intersectsPlane( plane );\n\t\t},\n\t\tisIntersectionSphere: function ( sphere ) {\n\t\t\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\t\t\treturn this.intersectsSphere( sphere );\n\t\t}\n\t} );\n\n\tObject.assign( Shape.prototype, {\n\t\textrude: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\t\t\treturn new ExtrudeGeometry( this, options );\n\t\t},\n\t\tmakeGeometry: function ( options ) {\n\t\t\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\t\t\treturn new ShapeGeometry( this, options );\n\t\t}\n\t} );\n\n\tObject.assign( Vector3.prototype, {\n\t\tsetEulerFromRotationMatrix: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\t\t},\n\t\tsetEulerFromQuaternion: function () {\n\t\t\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\t\t},\n\t\tgetPositionFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\t\t\treturn this.setFromMatrixPosition( m );\n\t\t},\n\t\tgetScaleFromMatrix: function ( m ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\t\t\treturn this.setFromMatrixScale( m );\n\t\t},\n\t\tgetColumnFromMatrix: function ( index, matrix ) {\n\t\t\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\t\t\treturn this.setFromMatrixColumn( matrix, index );\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Object3D.prototype, {\n\t\tgetChildByName: function ( name ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\t\t\treturn this.getObjectByName( name );\n\t\t},\n\t\trenderDepth: function ( value ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\t\t},\n\t\ttranslate: function ( distance, axis ) {\n\t\t\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\t\t\treturn this.translateOnAxis( axis, distance );\n\t\t}\n\t} );\n\n\tObject.defineProperties( Object3D.prototype, {\n\t\teulerOrder: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\treturn this.rotation.order;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\t\tthis.rotation.order = value;\n\t\t\t}\n\t\t},\n\t\tuseQuaternion: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( LOD.prototype, {\n\t\tobjects: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.LOD: .objects has been renamed to .levels.' );\n\t\t\t\treturn this.levels;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\t\tconsole.warn( \"THREE.PerspectiveCamera.setLens is deprecated. \" +\n\t\t\t\t\"Use .setFocalLength and .filmGauge for a photographic setup.\" );\n\n\t\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\t\tthis.setFocalLength( focalLength );\n\n\t};\n\n\t//\n\n\tObject.defineProperties( Light.prototype, {\n\t\tonlyShadow: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowCameraFov: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\t\tthis.shadow.camera.fov = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraLeft: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\t\tthis.shadow.camera.left = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraRight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\t\tthis.shadow.camera.right = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraTop: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\t\tthis.shadow.camera.top = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraBottom: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\t\tthis.shadow.camera.bottom = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraNear: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\t\tthis.shadow.camera.near = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraFar: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\t\tthis.shadow.camera.far = value;\n\t\t\t}\n\t\t},\n\t\tshadowCameraVisible: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\t\t\t}\n\t\t},\n\t\tshadowBias: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\t\tthis.shadow.bias = value;\n\t\t\t}\n\t\t},\n\t\tshadowDarkness: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\t\t\t}\n\t\t},\n\t\tshadowMapWidth: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\t\tthis.shadow.mapSize.width = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapHeight: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\t\tthis.shadow.mapSize.height = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( BufferAttribute.prototype, {\n\t\tlength: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Please use .count.' );\n\t\t\t\treturn this.array.length;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.assign( BufferGeometry.prototype, {\n\t\taddIndex: function ( index ) {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\t\t\tthis.setIndex( index );\n\t\t},\n\t\taddDrawCall: function ( start, count, indexOffset ) {\n\t\t\tif ( indexOffset !== undefined ) {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\t\t\t}\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\t\t\tthis.addGroup( start, count );\n\t\t},\n\t\tclearDrawCalls: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\t\t\tthis.clearGroups();\n\t\t},\n\t\tcomputeTangents: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );\n\t\t},\n\t\tcomputeOffsets: function () {\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( BufferGeometry.prototype, {\n\t\tdrawcalls: {\n\t\t\tget: function () {\n\t\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t},\n\t\toffsets: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\t\treturn this.groups;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( Material.prototype, {\n\t\twrapAround: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapAround has been removed.' );\n\t\t\t}\n\t\t},\n\t\twrapRGB: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .wrapRGB has been removed.' );\n\t\t\t\treturn new Color();\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( MeshPhongMaterial.prototype, {\n\t\tmetal: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );\n\t\t\t\treturn false;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( ShaderMaterial.prototype, {\n\t\tderivatives: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\treturn this.extensions.derivatives;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\t\tthis.extensions.derivatives = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tEventDispatcher.prototype = Object.assign( Object.create( {\n\n\t\t// Note: Extra base ensures these properties are not 'assign'ed.\n\n\t\tconstructor: EventDispatcher,\n\n\t\tapply: function ( target ) {\n\n\t\t\tconsole.warn( \"THREE.EventDispatcher: .apply is deprecated, \" +\n\t\t\t\t\t\"just inherit or Object.assign the prototype to mix-in.\" );\n\n\t\t\tObject.assign( target, this );\n\n\t\t}\n\n\t} ), EventDispatcher.prototype );\n\n\t//\n\n\tObject.defineProperties( Uniform.prototype, {\n\t\tdynamic: {\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t}\n\t\t},\n\t\tonUpdate: {\n\t\t\tvalue: function () {\n\t\t\t\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\t\t\t\treturn this;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( WebGLRenderer.prototype, {\n\t\tsupportsFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_float' );\n\t\t},\n\t\tsupportsHalfFloatTextures: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_texture_half_float' );\n\t\t},\n\t\tsupportsStandardDerivatives: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\t\t\treturn this.extensions.get( 'OES_standard_derivatives' );\n\t\t},\n\t\tsupportsCompressedTextureS3TC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\t\t},\n\t\tsupportsCompressedTexturePVRTC: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\t\t\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\t\t},\n\t\tsupportsBlendMinMax: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\t\t\treturn this.extensions.get( 'EXT_blend_minmax' );\n\t\t},\n\t\tsupportsVertexTextures: function () {\n\t\t\treturn this.capabilities.vertexTextures;\n\t\t},\n\t\tsupportsInstancedArrays: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\t\t\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\t\t},\n\t\tenableScissorTest: function ( boolean ) {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\t\t\tthis.setScissorTest( boolean );\n\t\t},\n\t\tinitMaterial: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\t\t},\n\t\taddPrePlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\t\t},\n\t\taddPostPlugin: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\t\t},\n\t\tupdateShadowMap: function () {\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLRenderer.prototype, {\n\t\tshadowMapEnabled: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.enabled;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\t\tthis.shadowMap.enabled = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapType: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\t\tthis.shadowMap.type = value;\n\t\t\t}\n\t\t},\n\t\tshadowMapCullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.shadowMap.cullFace;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );\n\t\t\t\tthis.shadowMap.cullFace = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\tObject.defineProperties( WebGLShadowMap.prototype, {\n\t\tcullFace: {\n\t\t\tget: function () {\n\t\t\t\treturn this.renderReverseSided ? CullFaceFront : CullFaceBack;\n\t\t\t},\n\t\t\tset: function ( cullFace ) {\n\t\t\t\tvar value = ( cullFace !== CullFaceBack );\n\t\t\t\tconsole.warn( \"WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to \" + value + \".\" );\n\t\t\t\tthis.renderReverseSided = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.defineProperties( WebGLRenderTarget.prototype, {\n\t\twrapS: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\treturn this.texture.wrapS;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\t\tthis.texture.wrapS = value;\n\t\t\t}\n\t\t},\n\t\twrapT: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\treturn this.texture.wrapT;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\t\tthis.texture.wrapT = value;\n\t\t\t}\n\t\t},\n\t\tmagFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\treturn this.texture.magFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\t\tthis.texture.magFilter = value;\n\t\t\t}\n\t\t},\n\t\tminFilter: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\treturn this.texture.minFilter;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\t\tthis.texture.minFilter = value;\n\t\t\t}\n\t\t},\n\t\tanisotropy: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\treturn this.texture.anisotropy;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\t\tthis.texture.anisotropy = value;\n\t\t\t}\n\t\t},\n\t\toffset: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\treturn this.texture.offset;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\t\tthis.texture.offset = value;\n\t\t\t}\n\t\t},\n\t\trepeat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\treturn this.texture.repeat;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\t\tthis.texture.repeat = value;\n\t\t\t}\n\t\t},\n\t\tformat: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\treturn this.texture.format;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\t\tthis.texture.format = value;\n\t\t\t}\n\t\t},\n\t\ttype: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\treturn this.texture.type;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\t\tthis.texture.type = value;\n\t\t\t}\n\t\t},\n\t\tgenerateMipmaps: {\n\t\t\tget: function () {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\treturn this.texture.generateMipmaps;\n\t\t\t},\n\t\t\tset: function ( value ) {\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\t\tthis.texture.generateMipmaps = value;\n\t\t\t}\n\t\t}\n\t} );\n\n\t//\n\n\tObject.assign( Audio.prototype, {\n\t\tload: function ( file ) {\n\t\t\tconsole.warn( 'THREE.Audio: .load has been deprecated. Please use THREE.AudioLoader.' );\n\t\t\tvar scope = this;\n\t\t\tvar audioLoader = new AudioLoader();\n\t\t\taudioLoader.load( file, function ( buffer ) {\n\t\t\t\tscope.setBuffer( buffer );\n\t\t\t} );\n\t\t\treturn this;\n\t\t}\n\t} );\n\n\tObject.assign( AudioAnalyser.prototype, {\n\t\tgetData: function ( file ) {\n\t\t\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\t\t\treturn this.getFrequencyData();\n\t\t}\n\t} );\n\n\t//\n\n\tvar GeometryUtils = {\n\n\t\tmerge: function ( geometry1, geometry2, materialIndexOffset ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );\n\n\t\t\tvar matrix;\n\n\t\t\tif ( geometry2.isMesh ) {\n\n\t\t\t\tgeometry2.matrixAutoUpdate && geometry2.updateMatrix();\n\n\t\t\t\tmatrix = geometry2.matrix;\n\t\t\t\tgeometry2 = geometry2.geometry;\n\n\t\t\t}\n\n\t\t\tgeometry1.merge( geometry2, matrix, materialIndexOffset );\n\n\t\t},\n\n\t\tcenter: function ( geometry ) {\n\n\t\t\tconsole.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );\n\t\t\treturn geometry.center();\n\n\t\t}\n\n\t};\n\n\tvar ImageUtils = {\n\n\t\tcrossOrigin: undefined,\n\n\t\tloadTexture: function ( url, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\t\t\tvar loader = new TextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( url, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadTextureCube: function ( urls, mapping, onLoad, onError ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\t\t\tvar loader = new CubeTextureLoader();\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tvar texture = loader.load( urls, onLoad, undefined, onError );\n\n\t\t\tif ( mapping ) texture.mapping = mapping;\n\n\t\t\treturn texture;\n\n\t\t},\n\n\t\tloadCompressedTexture: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t},\n\n\t\tloadCompressedTextureCube: function () {\n\n\t\t\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n\t\t}\n\n\t};\n\n\t//\n\n\tfunction Projector () {\n\n\t\tconsole.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );\n\n\t\tthis.projectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .projectVector() is now vector.project().' );\n\t\t\tvector.project( camera );\n\n\t\t};\n\n\t\tthis.unprojectVector = function ( vector, camera ) {\n\n\t\t\tconsole.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );\n\t\t\tvector.unproject( camera );\n\n\t\t};\n\n\t\tthis.pickingRay = function ( vector, camera ) {\n\n\t\t\tconsole.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );\n\n\t\t};\n\n\t}\n\n\t//\n\n\tfunction CanvasRenderer () {\n\n\t\tconsole.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );\n\n\t\tthis.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\t\tthis.clear = function () {};\n\t\tthis.render = function () {};\n\t\tthis.setClearColor = function () {};\n\t\tthis.setSize = function () {};\n\n\t}\n\n\texports.WebGLRenderTargetCube = WebGLRenderTargetCube;\n\texports.WebGLRenderTarget = WebGLRenderTarget;\n\texports.WebGLRenderer = WebGLRenderer;\n\texports.ShaderLib = ShaderLib;\n\texports.UniformsLib = UniformsLib;\n\texports.UniformsUtils = UniformsUtils;\n\texports.ShaderChunk = ShaderChunk;\n\texports.FogExp2 = FogExp2;\n\texports.Fog = Fog;\n\texports.Scene = Scene;\n\texports.LensFlare = LensFlare;\n\texports.Sprite = Sprite;\n\texports.LOD = LOD;\n\texports.SkinnedMesh = SkinnedMesh;\n\texports.Skeleton = Skeleton;\n\texports.Bone = Bone;\n\texports.Mesh = Mesh;\n\texports.LineSegments = LineSegments;\n\texports.Line = Line;\n\texports.Points = Points;\n\texports.Group = Group;\n\texports.VideoTexture = VideoTexture;\n\texports.DataTexture = DataTexture;\n\texports.CompressedTexture = CompressedTexture;\n\texports.CubeTexture = CubeTexture;\n\texports.CanvasTexture = CanvasTexture;\n\texports.DepthTexture = DepthTexture;\n\texports.TextureIdCount = TextureIdCount;\n\texports.Texture = Texture;\n\texports.MaterialIdCount = MaterialIdCount;\n\texports.CompressedTextureLoader = CompressedTextureLoader;\n\texports.BinaryTextureLoader = BinaryTextureLoader;\n\texports.DataTextureLoader = DataTextureLoader;\n\texports.CubeTextureLoader = CubeTextureLoader;\n\texports.TextureLoader = TextureLoader;\n\texports.ObjectLoader = ObjectLoader;\n\texports.MaterialLoader = MaterialLoader;\n\texports.BufferGeometryLoader = BufferGeometryLoader;\n\texports.DefaultLoadingManager = DefaultLoadingManager;\n\texports.LoadingManager = LoadingManager;\n\texports.JSONLoader = JSONLoader;\n\texports.ImageLoader = ImageLoader;\n\texports.FontLoader = FontLoader;\n\texports.XHRLoader = XHRLoader;\n\texports.Loader = Loader;\n\texports.Cache = Cache;\n\texports.AudioLoader = AudioLoader;\n\texports.SpotLightShadow = SpotLightShadow;\n\texports.SpotLight = SpotLight;\n\texports.PointLight = PointLight;\n\texports.HemisphereLight = HemisphereLight;\n\texports.DirectionalLightShadow = DirectionalLightShadow;\n\texports.DirectionalLight = DirectionalLight;\n\texports.AmbientLight = AmbientLight;\n\texports.LightShadow = LightShadow;\n\texports.Light = Light;\n\texports.StereoCamera = StereoCamera;\n\texports.PerspectiveCamera = PerspectiveCamera;\n\texports.OrthographicCamera = OrthographicCamera;\n\texports.CubeCamera = CubeCamera;\n\texports.Camera = Camera;\n\texports.AudioListener = AudioListener;\n\texports.PositionalAudio = PositionalAudio;\n\texports.getAudioContext = getAudioContext;\n\texports.AudioAnalyser = AudioAnalyser;\n\texports.Audio = Audio;\n\texports.VectorKeyframeTrack = VectorKeyframeTrack;\n\texports.StringKeyframeTrack = StringKeyframeTrack;\n\texports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;\n\texports.NumberKeyframeTrack = NumberKeyframeTrack;\n\texports.ColorKeyframeTrack = ColorKeyframeTrack;\n\texports.BooleanKeyframeTrack = BooleanKeyframeTrack;\n\texports.PropertyMixer = PropertyMixer;\n\texports.PropertyBinding = PropertyBinding;\n\texports.KeyframeTrack = KeyframeTrack;\n\texports.AnimationUtils = AnimationUtils;\n\texports.AnimationObjectGroup = AnimationObjectGroup;\n\texports.AnimationMixer = AnimationMixer;\n\texports.AnimationClip = AnimationClip;\n\texports.Uniform = Uniform;\n\texports.InstancedBufferGeometry = InstancedBufferGeometry;\n\texports.BufferGeometry = BufferGeometry;\n\texports.GeometryIdCount = GeometryIdCount;\n\texports.Geometry = Geometry;\n\texports.InterleavedBufferAttribute = InterleavedBufferAttribute;\n\texports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;\n\texports.InterleavedBuffer = InterleavedBuffer;\n\texports.InstancedBufferAttribute = InstancedBufferAttribute;\n\texports.DynamicBufferAttribute = DynamicBufferAttribute;\n\texports.Float64Attribute = Float64Attribute;\n\texports.Float32Attribute = Float32Attribute;\n\texports.Uint32Attribute = Uint32Attribute;\n\texports.Int32Attribute = Int32Attribute;\n\texports.Uint16Attribute = Uint16Attribute;\n\texports.Int16Attribute = Int16Attribute;\n\texports.Uint8ClampedAttribute = Uint8ClampedAttribute;\n\texports.Uint8Attribute = Uint8Attribute;\n\texports.Int8Attribute = Int8Attribute;\n\texports.BufferAttribute = BufferAttribute;\n\texports.Face3 = Face3;\n\texports.Object3DIdCount = Object3DIdCount;\n\texports.Object3D = Object3D;\n\texports.Raycaster = Raycaster;\n\texports.Layers = Layers;\n\texports.EventDispatcher = EventDispatcher;\n\texports.Clock = Clock;\n\texports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;\n\texports.LinearInterpolant = LinearInterpolant;\n\texports.DiscreteInterpolant = DiscreteInterpolant;\n\texports.CubicInterpolant = CubicInterpolant;\n\texports.Interpolant = Interpolant;\n\texports.Triangle = Triangle;\n\texports.Spline = Spline;\n\texports.Math = _Math;\n\texports.Spherical = Spherical;\n\texports.Plane = Plane;\n\texports.Frustum = Frustum;\n\texports.Sphere = Sphere;\n\texports.Ray = Ray;\n\texports.Matrix4 = Matrix4;\n\texports.Matrix3 = Matrix3;\n\texports.Box3 = Box3;\n\texports.Box2 = Box2;\n\texports.Line3 = Line3;\n\texports.Euler = Euler;\n\texports.Vector4 = Vector4;\n\texports.Vector3 = Vector3;\n\texports.Vector2 = Vector2;\n\texports.Quaternion = Quaternion;\n\texports.ColorKeywords = ColorKeywords;\n\texports.Color = Color;\n\texports.MorphBlendMesh = MorphBlendMesh;\n\texports.ImmediateRenderObject = ImmediateRenderObject;\n\texports.VertexNormalsHelper = VertexNormalsHelper;\n\texports.SpotLightHelper = SpotLightHelper;\n\texports.SkeletonHelper = SkeletonHelper;\n\texports.PointLightHelper = PointLightHelper;\n\texports.HemisphereLightHelper = HemisphereLightHelper;\n\texports.GridHelper = GridHelper;\n\texports.FaceNormalsHelper = FaceNormalsHelper;\n\texports.DirectionalLightHelper = DirectionalLightHelper;\n\texports.CameraHelper = CameraHelper;\n\texports.BoundingBoxHelper = BoundingBoxHelper;\n\texports.BoxHelper = BoxHelper;\n\texports.ArrowHelper = ArrowHelper;\n\texports.AxisHelper = AxisHelper;\n\texports.ClosedSplineCurve3 = ClosedSplineCurve3;\n\texports.CatmullRomCurve3 = CatmullRomCurve3;\n\texports.SplineCurve3 = SplineCurve3;\n\texports.CubicBezierCurve3 = CubicBezierCurve3;\n\texports.QuadraticBezierCurve3 = QuadraticBezierCurve3;\n\texports.LineCurve3 = LineCurve3;\n\texports.ArcCurve = ArcCurve;\n\texports.EllipseCurve = EllipseCurve;\n\texports.SplineCurve = SplineCurve;\n\texports.CubicBezierCurve = CubicBezierCurve;\n\texports.QuadraticBezierCurve = QuadraticBezierCurve;\n\texports.LineCurve = LineCurve;\n\texports.Shape = Shape;\n\texports.ShapePath = ShapePath;\n\texports.Path = Path;\n\texports.Font = Font;\n\texports.CurvePath = CurvePath;\n\texports.Curve = Curve;\n\texports.ShapeUtils = ShapeUtils;\n\texports.SceneUtils = SceneUtils;\n\texports.CurveUtils = CurveUtils;\n\texports.WireframeGeometry = WireframeGeometry;\n\texports.ParametricGeometry = ParametricGeometry;\n\texports.ParametricBufferGeometry = ParametricBufferGeometry;\n\texports.TetrahedronGeometry = TetrahedronGeometry;\n\texports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;\n\texports.OctahedronGeometry = OctahedronGeometry;\n\texports.OctahedronBufferGeometry = OctahedronBufferGeometry;\n\texports.IcosahedronGeometry = IcosahedronGeometry;\n\texports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;\n\texports.DodecahedronGeometry = DodecahedronGeometry;\n\texports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;\n\texports.PolyhedronGeometry = PolyhedronGeometry;\n\texports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;\n\texports.TubeGeometry = TubeGeometry;\n\texports.TubeBufferGeometry = TubeBufferGeometry;\n\texports.TorusKnotGeometry = TorusKnotGeometry;\n\texports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;\n\texports.TorusGeometry = TorusGeometry;\n\texports.TorusBufferGeometry = TorusBufferGeometry;\n\texports.TextGeometry = TextGeometry;\n\texports.SphereBufferGeometry = SphereBufferGeometry;\n\texports.SphereGeometry = SphereGeometry;\n\texports.RingGeometry = RingGeometry;\n\texports.RingBufferGeometry = RingBufferGeometry;\n\texports.PlaneBufferGeometry = PlaneBufferGeometry;\n\texports.PlaneGeometry = PlaneGeometry;\n\texports.LatheGeometry = LatheGeometry;\n\texports.LatheBufferGeometry = LatheBufferGeometry;\n\texports.ShapeGeometry = ShapeGeometry;\n\texports.ExtrudeGeometry = ExtrudeGeometry;\n\texports.EdgesGeometry = EdgesGeometry;\n\texports.ConeGeometry = ConeGeometry;\n\texports.ConeBufferGeometry = ConeBufferGeometry;\n\texports.CylinderGeometry = CylinderGeometry;\n\texports.CylinderBufferGeometry = CylinderBufferGeometry;\n\texports.CircleBufferGeometry = CircleBufferGeometry;\n\texports.CircleGeometry = CircleGeometry;\n\texports.BoxBufferGeometry = BoxBufferGeometry;\n\texports.BoxGeometry = BoxGeometry;\n\texports.ShadowMaterial = ShadowMaterial;\n\texports.SpriteMaterial = SpriteMaterial;\n\texports.RawShaderMaterial = RawShaderMaterial;\n\texports.ShaderMaterial = ShaderMaterial;\n\texports.PointsMaterial = PointsMaterial;\n\texports.MultiMaterial = MultiMaterial;\n\texports.MeshPhysicalMaterial = MeshPhysicalMaterial;\n\texports.MeshStandardMaterial = MeshStandardMaterial;\n\texports.MeshPhongMaterial = MeshPhongMaterial;\n\texports.MeshNormalMaterial = MeshNormalMaterial;\n\texports.MeshLambertMaterial = MeshLambertMaterial;\n\texports.MeshDepthMaterial = MeshDepthMaterial;\n\texports.MeshBasicMaterial = MeshBasicMaterial;\n\texports.LineDashedMaterial = LineDashedMaterial;\n\texports.LineBasicMaterial = LineBasicMaterial;\n\texports.Material = Material;\n\texports.REVISION = REVISION;\n\texports.MOUSE = MOUSE;\n\texports.CullFaceNone = CullFaceNone;\n\texports.CullFaceBack = CullFaceBack;\n\texports.CullFaceFront = CullFaceFront;\n\texports.CullFaceFrontBack = CullFaceFrontBack;\n\texports.FrontFaceDirectionCW = FrontFaceDirectionCW;\n\texports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;\n\texports.BasicShadowMap = BasicShadowMap;\n\texports.PCFShadowMap = PCFShadowMap;\n\texports.PCFSoftShadowMap = PCFSoftShadowMap;\n\texports.FrontSide = FrontSide;\n\texports.BackSide = BackSide;\n\texports.DoubleSide = DoubleSide;\n\texports.FlatShading = FlatShading;\n\texports.SmoothShading = SmoothShading;\n\texports.NoColors = NoColors;\n\texports.FaceColors = FaceColors;\n\texports.VertexColors = VertexColors;\n\texports.NoBlending = NoBlending;\n\texports.NormalBlending = NormalBlending;\n\texports.AdditiveBlending = AdditiveBlending;\n\texports.SubtractiveBlending = SubtractiveBlending;\n\texports.MultiplyBlending = MultiplyBlending;\n\texports.CustomBlending = CustomBlending;\n\texports.BlendingMode = BlendingMode;\n\texports.AddEquation = AddEquation;\n\texports.SubtractEquation = SubtractEquation;\n\texports.ReverseSubtractEquation = ReverseSubtractEquation;\n\texports.MinEquation = MinEquation;\n\texports.MaxEquation = MaxEquation;\n\texports.ZeroFactor = ZeroFactor;\n\texports.OneFactor = OneFactor;\n\texports.SrcColorFactor = SrcColorFactor;\n\texports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;\n\texports.SrcAlphaFactor = SrcAlphaFactor;\n\texports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;\n\texports.DstAlphaFactor = DstAlphaFactor;\n\texports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;\n\texports.DstColorFactor = DstColorFactor;\n\texports.OneMinusDstColorFactor = OneMinusDstColorFactor;\n\texports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;\n\texports.NeverDepth = NeverDepth;\n\texports.AlwaysDepth = AlwaysDepth;\n\texports.LessDepth = LessDepth;\n\texports.LessEqualDepth = LessEqualDepth;\n\texports.EqualDepth = EqualDepth;\n\texports.GreaterEqualDepth = GreaterEqualDepth;\n\texports.GreaterDepth = GreaterDepth;\n\texports.NotEqualDepth = NotEqualDepth;\n\texports.MultiplyOperation = MultiplyOperation;\n\texports.MixOperation = MixOperation;\n\texports.AddOperation = AddOperation;\n\texports.NoToneMapping = NoToneMapping;\n\texports.LinearToneMapping = LinearToneMapping;\n\texports.ReinhardToneMapping = ReinhardToneMapping;\n\texports.Uncharted2ToneMapping = Uncharted2ToneMapping;\n\texports.CineonToneMapping = CineonToneMapping;\n\texports.UVMapping = UVMapping;\n\texports.CubeReflectionMapping = CubeReflectionMapping;\n\texports.CubeRefractionMapping = CubeRefractionMapping;\n\texports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;\n\texports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;\n\texports.SphericalReflectionMapping = SphericalReflectionMapping;\n\texports.CubeUVReflectionMapping = CubeUVReflectionMapping;\n\texports.CubeUVRefractionMapping = CubeUVRefractionMapping;\n\texports.TextureMapping = TextureMapping;\n\texports.RepeatWrapping = RepeatWrapping;\n\texports.ClampToEdgeWrapping = ClampToEdgeWrapping;\n\texports.MirroredRepeatWrapping = MirroredRepeatWrapping;\n\texports.TextureWrapping = TextureWrapping;\n\texports.NearestFilter = NearestFilter;\n\texports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;\n\texports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;\n\texports.LinearFilter = LinearFilter;\n\texports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;\n\texports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;\n\texports.TextureFilter = TextureFilter;\n\texports.UnsignedByteType = UnsignedByteType;\n\texports.ByteType = ByteType;\n\texports.ShortType = ShortType;\n\texports.UnsignedShortType = UnsignedShortType;\n\texports.IntType = IntType;\n\texports.UnsignedIntType = UnsignedIntType;\n\texports.FloatType = FloatType;\n\texports.HalfFloatType = HalfFloatType;\n\texports.UnsignedShort4444Type = UnsignedShort4444Type;\n\texports.UnsignedShort5551Type = UnsignedShort5551Type;\n\texports.UnsignedShort565Type = UnsignedShort565Type;\n\texports.UnsignedInt248Type = UnsignedInt248Type;\n\texports.AlphaFormat = AlphaFormat;\n\texports.RGBFormat = RGBFormat;\n\texports.RGBAFormat = RGBAFormat;\n\texports.LuminanceFormat = LuminanceFormat;\n\texports.LuminanceAlphaFormat = LuminanceAlphaFormat;\n\texports.RGBEFormat = RGBEFormat;\n\texports.DepthFormat = DepthFormat;\n\texports.DepthStencilFormat = DepthStencilFormat;\n\texports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;\n\texports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;\n\texports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;\n\texports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;\n\texports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;\n\texports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;\n\texports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;\n\texports.RGB_ETC1_Format = RGB_ETC1_Format;\n\texports.LoopOnce = LoopOnce;\n\texports.LoopRepeat = LoopRepeat;\n\texports.LoopPingPong = LoopPingPong;\n\texports.InterpolateDiscrete = InterpolateDiscrete;\n\texports.InterpolateLinear = InterpolateLinear;\n\texports.InterpolateSmooth = InterpolateSmooth;\n\texports.ZeroCurvatureEnding = ZeroCurvatureEnding;\n\texports.ZeroSlopeEnding = ZeroSlopeEnding;\n\texports.WrapAroundEnding = WrapAroundEnding;\n\texports.TrianglesDrawMode = TrianglesDrawMode;\n\texports.TriangleStripDrawMode = TriangleStripDrawMode;\n\texports.TriangleFanDrawMode = TriangleFanDrawMode;\n\texports.LinearEncoding = LinearEncoding;\n\texports.sRGBEncoding = sRGBEncoding;\n\texports.GammaEncoding = GammaEncoding;\n\texports.RGBEEncoding = RGBEEncoding;\n\texports.LogLuvEncoding = LogLuvEncoding;\n\texports.RGBM7Encoding = RGBM7Encoding;\n\texports.RGBM16Encoding = RGBM16Encoding;\n\texports.RGBDEncoding = RGBDEncoding;\n\texports.BasicDepthPacking = BasicDepthPacking;\n\texports.RGBADepthPacking = RGBADepthPacking;\n\texports.CubeGeometry = BoxGeometry;\n\texports.Face4 = Face4;\n\texports.LineStrip = LineStrip;\n\texports.LinePieces = LinePieces;\n\texports.MeshFaceMaterial = MultiMaterial;\n\texports.PointCloud = PointCloud;\n\texports.Particle = Sprite;\n\texports.ParticleSystem = ParticleSystem;\n\texports.PointCloudMaterial = PointCloudMaterial;\n\texports.ParticleBasicMaterial = ParticleBasicMaterial;\n\texports.ParticleSystemMaterial = ParticleSystemMaterial;\n\texports.Vertex = Vertex;\n\texports.EdgesHelper = EdgesHelper;\n\texports.WireframeHelper = WireframeHelper;\n\texports.GeometryUtils = GeometryUtils;\n\texports.ImageUtils = ImageUtils;\n\texports.Projector = Projector;\n\texports.CanvasRenderer = CanvasRenderer;\n\n\tObject.defineProperty(exports, '__esModule', { value: true });\n\n\tObject.defineProperty( exports, 'AudioContext', {\n\t\tget: function () {\n\t\t\treturn exports.getAudioContext();\n\t\t}\n\t});\n\n})));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three/build/three.js\n// module id = 6\n// module chunks = 0","module.exports = function( THREE ) {\n\t/**\n\t * @author qiao / https://github.com/qiao\n\t * @author mrdoob / http://mrdoob.com\n\t * @author alteredq / http://alteredqualia.com/\n\t * @author WestLangley / http://github.com/WestLangley\n\t * @author erich666 / http://erichaines.com\n\t */\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one finger move\n// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish\n// Pan - right mouse, or arrow keys / touch: three finter swipe\n\n\tfunction OrbitControls( object, domElement ) {\n\n\t\tthis.object = object;\n\n\t\tthis.domElement = ( domElement !== undefined ) ? domElement : document;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new THREE.Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.25;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\n\n\t\t// Set to false to disable use of the keys\n\t\tthis.enableKeys = true;\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tvar quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );\n\t\t\tvar quatInverse = quat.clone().inverse();\n\n\t\t\tvar lastPosition = new THREE.Vector3();\n\t\t\tvar lastQuaternion = new THREE.Quaternion();\n\n\t\t\treturn function update () {\n\n\t\t\t\tvar position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t// restrict theta to be between desired limits\n\t\t\t\tspherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function() {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );\n\t\t\tscope.domElement.removeEventListener( 'mousedown', onMouseDown, false );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel, false );\n\n\t\t\tscope.domElement.removeEventListener( 'touchstart', onTouchStart, false );\n\t\t\tscope.domElement.removeEventListener( 'touchend', onTouchEnd, false );\n\t\t\tscope.domElement.removeEventListener( 'touchmove', onTouchMove, false );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\twindow.removeEventListener( 'keydown', onKeyDown, false );\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tvar scope = this;\n\n\t\tvar changeEvent = { type: 'change' };\n\t\tvar startEvent = { type: 'start' };\n\t\tvar endEvent = { type: 'end' };\n\n\t\tvar STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };\n\n\t\tvar state = STATE.NONE;\n\n\t\tvar EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tvar spherical = new THREE.Spherical();\n\t\tvar sphericalDelta = new THREE.Spherical();\n\n\t\tvar scale = 1;\n\t\tvar panOffset = new THREE.Vector3();\n\t\tvar zoomChanged = false;\n\n\t\tvar rotateStart = new THREE.Vector2();\n\t\tvar rotateEnd = new THREE.Vector2();\n\t\tvar rotateDelta = new THREE.Vector2();\n\n\t\tvar panStart = new THREE.Vector2();\n\t\tvar panEnd = new THREE.Vector2();\n\t\tvar panDelta = new THREE.Vector2();\n\n\t\tvar dollyStart = new THREE.Vector2();\n\t\tvar dollyEnd = new THREE.Vector2();\n\t\tvar dollyDelta = new THREE.Vector2();\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tvar panLeft = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tvar panUp = function() {\n\n\t\t\tvar v = new THREE.Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tvar pan = function() {\n\n\t\t\tvar offset = new THREE.Vector3();\n\n\t\t\treturn function pan ( deltaX, deltaY ) {\n\n\t\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tvar position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tvar targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we actually don't use screenWidth, since perspective camera is fixed to screen height\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object instanceof THREE.PerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object instanceof THREE.OrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseDownRotate' );\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseDownDolly' );\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\t//console.log( 'handleMouseDownPan' );\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveRotate' );\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleMouseMoveDolly' );\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\t//console.log( 'handleMouseMovePan' );\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( event ) {\n\n\t\t\t//console.log( 'handleMouseUp' );\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\t//console.log( 'handleMouseWheel' );\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\t//console.log( 'handleKeyDown' );\n\n\t\t\tswitch ( event.keyCode ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tscope.update();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchStartRotate' );\n\n\t\t\trotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchStartDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartPan( event ) {\n\n\t\t\t//console.log( 'handleTouchStartPan' );\n\n\t\t\tpanStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveRotate' );\n\n\t\t\trotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart );\n\n\t\t\tvar element = scope.domElement === document ? scope.domElement.body : scope.domElement;\n\n\t\t\t// rotating across whole screen goes 360 degrees around\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );\n\n\t\t\t// rotating up and down along whole screen attempts to go 360, but limited to 180\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\t//console.log( 'handleTouchMoveDolly' );\n\n\t\t\tvar dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\n\t\t\tvar dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\n\n\t\t\tvar distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\t//console.log( 'handleTouchMovePan' );\n\n\t\t\tpanEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleTouchEnd( event ) {\n\n\t\t\t//console.log( 'handleTouchEnd' );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( event.button === scope.mouseButtons.ORBIT ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.ZOOM ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t} else if ( event.button === scope.mouseButtons.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\tstate = STATE.PAN;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tdocument.addEventListener( 'mousemove', onMouseMove, false );\n\t\t\t\tdocument.addEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tif ( state === STATE.ROTATE ) {\n\n\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t} else if ( state === STATE.DOLLY ) {\n\n\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t} else if ( state === STATE.PAN ) {\n\n\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove, false );\n\t\t\tdocument.removeEventListener( 'mouseup', onMouseUp, false );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( startEvent ); // not sure why these are here...\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1:\t// one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchStartRotate( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\t// two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleTouchStartDolly( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchStartPan( event );\n\n\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\t\t\tevent.stopPropagation();\n\n\t\t\tswitch ( event.touches.length ) {\n\n\t\t\t\tcase 1: // one-fingered touch: rotate\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // two-fingered touch: dolly\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 3: // three-fingered touch: pan\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\t\t\t\t\tif ( state !== STATE.TOUCH_PAN ) return; // is this needed?...\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu, false );\n\n\t\tscope.domElement.addEventListener( 'mousedown', onMouseDown, false );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, false );\n\n\t\tscope.domElement.addEventListener( 'touchstart', onTouchStart, false );\n\t\tscope.domElement.addEventListener( 'touchend', onTouchEnd, false );\n\t\tscope.domElement.addEventListener( 'touchmove', onTouchMove, false );\n\n\t\twindow.addEventListener( 'keydown', onKeyDown, false );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t};\n\n\tOrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );\n\tOrbitControls.prototype.constructor = OrbitControls;\n\n\tObject.defineProperties( OrbitControls.prototype, {\n\n\t\tcenter: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .center has been renamed to .target' );\n\t\t\t\treturn this.target;\n\n\t\t\t}\n\n\t\t},\n\n\t\t// backward compatibility\n\n\t\tnoZoom: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\treturn ! this.enableZoom;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );\n\t\t\t\tthis.enableZoom = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoRotate: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\treturn ! this.enableRotate;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );\n\t\t\t\tthis.enableRotate = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoPan: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\treturn ! this.enablePan;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );\n\t\t\t\tthis.enablePan = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tnoKeys: {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\treturn ! this.enableKeys;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );\n\t\t\t\tthis.enableKeys = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tstaticMoving : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\treturn ! this.enableDamping;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );\n\t\t\t\tthis.enableDamping = ! value;\n\n\t\t\t}\n\n\t\t},\n\n\t\tdynamicDampingFactor : {\n\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\treturn this.dampingFactor;\n\n\t\t\t},\n\n\t\t\tset: function ( value ) {\n\n\t\t\t\tconsole.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );\n\t\t\t\tthis.dampingFactor = value;\n\n\t\t\t}\n\n\t\t}\n\n\t} );\n\n\treturn OrbitControls;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/three-orbit-controls/index.js\n// module id = 7\n// module chunks = 0","const THREE = require('three');\r\n\r\nimport Agent from './agent.js'\r\nimport {distance} from './agent'\r\n\r\nfunction Marker(pos) {\r\n this.pos = pos;\r\n this.weight = 0;\r\n this.owner = null;\r\n}\r\n\r\nfunction Obstacle(pos, radius) {\r\n this.pos = pos;\r\n this.radius = radius;\r\n}\r\n\r\nexport default class BioCrowd {\r\n\r\n constructor(App) {\r\n this.init(App);\r\n }\r\n\r\n init(App) {\r\n this.isPaused = App.config.isPaused;\r\n this.origin = new THREE.Vector3(0,0,0);\r\n\r\n // dimensions\r\n this.grid = [];\r\n this.gridRes = App.config.gridRes;\r\n this.gridRes2 = this.gridRes * this.gridRes; // num of grid cells\r\n this.cellRes = App.config.cellRes; // num of mark in cell\r\n this.gridWidth = App.config.gridWidth;\r\n this.gridHeight = App.config.gridHeight;\r\n this.cellHeight = this.gridHeight/this.gridRes;\r\n this.cellWidth = this.gridHeight/this.gridRes;\r\n this.maxMarkers = this.gridRes2 * Math.sqrt(this.cellRes)*Math.sqrt(this.cellRes);\r\n\r\n // agents\r\n this.agents = [];\r\n this.numAgents = App.config.numAgents;\r\n this.agentRadius = App.config.agentRadius;\r\n this.agentGeo = App.agentGeometry;\r\n this.scenario = App.scenario;\r\n this.maxVelocity = App.config.maxVelocity;\r\n \r\n // scene data\r\n this.camera = App.camera;\r\n this.scene = App.scene;\r\n this.num_obs = App.obstacles;\r\n this.obstacles = [];\r\n\r\n this.debug = App.config.visualDebug;\r\n // markers \r\n this.markerGeo = new THREE.BufferGeometry();\r\n this.m_positions = new Float32Array(this.maxMarkers * 3);\r\n this.markerMat = new THREE.PointsMaterial( { size: 0.1, color: 0x7eed6f } )\r\n this.markerPoints = new THREE.Points( this.markerGeo, this.markerMat );\r\n this.lineMat = new THREE.LineBasicMaterial( { color: 0x770000 } )\r\n\r\n this.initGrid();\r\n this.initAgents();\r\n if (this.debug) this.show();\r\n };\r\n\r\n // new grid and agents\r\n reset() {\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].mesh);\r\n this.scene.remove(this.agents[i].lines); \r\n this.scene.remove(this.agents[i].circle);\r\n }\r\n for (var j = 0; j < this.num_obs; j++) {\r\n this.scene.remove(this.obstacles[j].mesh);\r\n }\r\n this.scene.remove(this.markerPoints);\r\n };\r\n\r\n // Convert from 1D index to 2D indices\r\n i1toi2(i1) { return [i1 % this.gridRes, ~~ ((i1 % this.gridRes2) / this.gridRes)];};\r\n\r\n // Convert from 2D indices to 1D\r\n i2toi1(ix, iy) { return ix + iy * this.gridRes; };\r\n\r\n // Convert from 2D indices to 2D positions\r\n i2toPos(i2) {\r\n return new THREE.Vector3(\r\n i2[0] * this.cellWidth + this.origin.x,\r\n i2[1] * this.cellHeight + this.origin.y, 0\r\n );\r\n };\r\n\r\n // Convert from position to 2D indices\r\n pos2i(vec2) {\r\n var x = Math.floor((vec2.x - this.origin.x) / this.cellWidth);\r\n var y = Math.floor((vec2.y - this.origin.y) / this.cellHeight);\r\n return this.i2toi1(x, y);\r\n };\r\n\r\n initGrid() {\r\n var x = 0;\r\n for (var k = 0; k < this.num_obs; k++) {\r\n var x1 = Math.random() * this.gridRes * this.cellWidth;\r\n var y1 = Math.random() * this.gridRes * this.cellHeight;\r\n this.obstacles.push(new Obstacle(new THREE.Vector3(x1, y1, 0), Math.random()+0.1));\r\n var geometry = new THREE.CylinderGeometry( this.obstacles[k].radius,this.obstacles[k].radius,1, 16 ).rotateX(Math.PI/2);\r\n var material = new THREE.MeshBasicMaterial( { color: 0x4411bb } );\r\n this.obstacles[k].mesh = new THREE.Mesh( geometry, material );\r\n this.obstacles[k].mesh.position.set(x1,y1,0);\r\n this.scene.add(this.obstacles[k].mesh);\r\n }\r\n for (var i = 0; i < this.gridRes2; i++) {\r\n var i2 = this.i1toi2(i);\r\n var pos = this.i2toPos(i2);\r\n var cell = new GridCell(pos, this.cellRes, this.cellWidth, this.cellHeight, this.obstacles);\r\n this.grid.push(cell);\r\n for (var j = 0; j < cell.markers.length; j++) {\r\n this.m_positions[x++] = cell.markers[j].pos.x;\r\n this.m_positions[x++] = cell.markers[j].pos.y;\r\n this.m_positions[x++] = 0;\r\n }\r\n }\r\n this.markerGeo.addAttribute('position', new THREE.BufferAttribute(this.m_positions, 3));\r\n this.markerGeo.computeBoundingSphere();\r\n }\r\n\r\n initAgents() {\r\n switch (this.scenario) {\r\n case 'line':\r\n var num = 0;\r\n for (var i = 0; i < this.numAgents/2; i++) {\r\n var ypos = 2 * this.gridHeight * i / this.numAgents;\r\n var posL = new THREE.Vector3(0.1, ypos,0);\r\n var destR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var posR = new THREE.Vector3(this.gridWidth - 0.1, ypos,0);\r\n var destL = new THREE.Vector3(0.1, ypos,0);\r\n var hitL = false; var hitR = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var distL = distance(posL, this.obstacles[j].pos);\r\n var distR = distance(posR, this.obstacles[j].pos);\r\n if (distL < this.obstacles[j].radius) hitL = true;\r\n if (distR < this.obstacles[j].radius) hitR = true;\r\n j++;\r\n }\r\n if (!hitL) {\r\n posL.add(this.origin);\r\n destR.add(this.origin);\r\n var index = this.pos2i(posL);\r\n var ori = Math.atan2(destR.y - posL.y, destR.x - posL.x);\r\n var agent = new Agent(posL, index, ori, destR, this.agentRadius, this.agentGeo, 1, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n if (!hitR && num < this.numAgents) {\r\n posR.add(this.origin);\r\n destL.add(this.origin);\r\n var index = this.pos2i(posR);\r\n var ori = Math.atan2(destL.y - posR.y, destL.x - posR.x);\r\n var agent = new Agent(posR, index, ori, destL, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n num++;\r\n }\r\n }\r\n break; \r\n case 'quad':\r\n for (var i = 0; i < this.numAgents; i++) {\r\n var quad = i%4;\r\n var xpos = Math.pow(-1,quad) * (Math.random()/2 + 0.5) * this.gridWidth/2;\r\n var ypos = ((quad < 2) ? -1 : 1) * (Math.random()/2 + 0.5) * this.gridHeight / 2;\r\n var pos = new THREE.Vector3(xpos, ypos,0);\r\n var dest = new THREE.Vector3(-0.9 * Math.sign(xpos)*this.gridWidth/2, -0.9 * Math.sign(ypos) * this.gridHeight/2, 0);\r\n var hit = false;\r\n var j = 0;\r\n while (!hit && j < this.num_obs) {\r\n var dist = distance(new THREE.Vector3(pos.x+this.gridWidth/2, pos.y+this.gridHeight/2,0), this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) hit = true;\r\n j++;\r\n }\r\n if (!hit) {\r\n var offset = new THREE.Vector3(this.gridWidth/2, this.gridHeight/2,0);\r\n pos.add(offset);\r\n dest.add(offset);\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, quad, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n break; \r\n default:\r\n for (var i = 0; i < this.numAgents; i ++) {\r\n var pos = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var dest = new THREE.Vector3(Math.random() * this.gridWidth,\r\n Math.random() * this.gridHeight,0);\r\n var hit = true;\r\n while (hit) {\r\n hit = false;\r\n for (var j = 0; j < this.num_obs; j++) {\r\n var dist = distance(pos, this.obstacles[j].pos);\r\n if (dist < this.obstacles[j].radius) {\r\n hit = true;\r\n pos = new THREE.Vector3(Math.random() * this.gridWidht,\r\n Math.random() * this.gridHeight,0);\r\n }\r\n }\r\n }\r\n if (!hit) {\r\n var index = this.pos2i(pos);\r\n var ori = Math.atan2(dest.y - pos.y, dest.x - pos.x);\r\n var agent = new Agent(pos, index, ori, dest, this.agentRadius, this.agentGeo, 0, this.lineMat, this.maxMarkers);\r\n this.select(agent);\r\n this.agents.push(agent);\r\n this.scene.add(agent.mesh);\r\n if (this.debug) this.scene.add(agent.circle);\r\n }\r\n }\r\n \r\n }\r\n \r\n }\r\n\r\n // disassociate markers and agents\r\n clear() {\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n for (var j = 0; j < this.agents[i].markers.length; j ++) {\r\n this.agents[i].markers[j].owner = null;\r\n this.agents[i].markers[j].weight = 0;\r\n }\r\n this.agents[i].markers = [];\r\n } \r\n }\r\n\r\n select() {\r\n var claimed = [];\r\n // every agent\r\n for (var k = 0; k < this.agents.length; k++) {\r\n var agent = this.agents[k];\r\n // check neighboring grid cells\r\n var i2 = this.i1toi2(agent.index);\r\n var min0 = Math.min(Math.max(0, i2[0] -1), this.gridRes); var max0 = Math.min(Math.max(0, i2[0] + 2), this.gridRes);\r\n var min1 = Math.min(Math.max(0, i2[1] -1), this.gridRes); var max1 = Math.min(Math.max(0, i2[1] + 2), this.gridRes);\r\n for (var i = min0; i < max0; i++) {\r\n for (var j = min1; j < max1; j++) {\r\n var grid = this.grid[this.i2toi1(i, j)];\r\n // for every marker in the grid\r\n for (var g = 0; g < grid.markers.length; g++) {\r\n var mark = grid.markers[g]\r\n // within personal bubble\r\n var dist = distance(mark.pos, agent.pos);\r\n if (dist < agent.radius) {\r\n claimed.push(mark);\r\n mark.owner = agent;\r\n if (mark.owner) {\r\n // choose closest owner\r\n var dist_old = distance(mark.owner.pos, mark.pos);\r\n if (dist_old > dist) mark.owner = agent;\r\n }\r\n }\r\n }\r\n }\r\n }\r\n }\r\n for (var c = 0; c < claimed.length; c++) {\r\n claimed[c].owner.markers.push(claimed[c]);\r\n }\r\n }\r\n\r\n update() {\r\n if (this.isPaused) return;\r\n // pick markers and compute velocity\r\n this.clear();\r\n this.select();\r\n\r\n // advect\r\n for (var i = 0; i < this.agents.length; i ++) {\r\n this.agents[i].update();\r\n this.agents[i].index = this.pos2i(this.agents[i].pos);\r\n }\r\n }\r\n\r\n pause() {\r\n this.isPaused = true;\r\n }\r\n\r\n play() {\r\n this.isPaused = false;\r\n }\r\n\r\n show() {\r\n this.scene.add( this.markerPoints );\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.add(this.agents[i].lines);\r\n this.scene.add(this.agents[i].circle);\r\n }\r\n };\r\n\r\n hide() {\r\n this.scene.remove(this.markerPoints);\r\n for (var i = 0; i < this.agents.length; i++) {\r\n this.scene.remove(this.agents[i].lines);\r\n this.scene.remove(this.agents[i].circle)\r\n }\r\n };\r\n}\r\n\r\n// ------------------------------------------- //\r\n\r\nclass GridCell {\r\n\r\n constructor(pos, num, w, h, obs) {\r\n this.init(pos, num, w, h, obs);\r\n }\r\n\r\n init(pos, num, w, h, obs) {\r\n this.pos = pos;\r\n this.width = w;\r\n this.height = h;\r\n this.markers = [];\r\n this.obs = obs;\r\n this.scatter(num);\r\n }\r\n\r\n // stratified sampling\r\n scatter(num) {\r\n var sqrtVal = Math.floor(Math.sqrt(num));\r\n var invSqrtVal = 1.0 / sqrtVal;\r\n var samples = sqrtVal * sqrtVal;\r\n for (var i = 0; i < samples; i ++) {\r\n var y = i / sqrtVal;\r\n var x = i % sqrtVal;\r\n var loc = new THREE.Vector3((x + Math.random()) * invSqrtVal * this.width,\r\n (y + Math.random()) * invSqrtVal * this.height,0);\r\n loc.add(this.pos)\r\n var obs_hit = false;\r\n for (var j = 0; j < this.obs.length; j++) {\r\n var x1 = this.obs[j].pos.x - loc.x; var y1 = this.obs[j].pos.y - loc.y;\r\n var dist = Math.sqrt(x1*x1 + y1*y1);\r\n if (dist < this.obs[j].radius) {\r\n obs_hit = true;\r\n }\r\n }\r\n if (!obs_hit) {\r\n var mark = new Marker(loc);\r\n this.markers.push(mark);\r\n }\r\n }\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/bio_crowd.js","const THREE = require('three')\r\n\r\nvar a_mat = new THREE.MeshBasicMaterial({color: 0xdddddd});\r\nvar left_mat = new THREE.MeshBasicMaterial({color: 0xffff00});\r\nvar right_mat = new THREE.MeshBasicMaterial({color: 0x0000ff});\r\nvar top_mat = new THREE.MeshBasicMaterial({color: 0x00ffff});\r\nvar bot_mat = new THREE.MeshBasicMaterial({color: 0xff00ff});\r\n\r\nexport function distance(x, y) {\r\n var x1 = x.x - y.x; var y1 = x.y - y.y;\r\n return Math.sqrt(x1*x1 + y1*y1);\r\n}\r\n\r\nexport default class Agent {\r\n constructor(pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.init(pos, i, ori, goal, radius, geo, left, l_mat,max);\r\n }\r\n\r\n init (pos, i, ori, goal, radius, geo, left, l_mat,max) {\r\n this.pos = pos;\r\n this.index = i;\r\n this.vel = new THREE.Vector3(0,0,0);\r\n this.ori = ori;\r\n this.goal = goal;\r\n this.radius = radius;\r\n this.markers = []; \r\n\r\n this.lineGeo = new THREE.BufferGeometry();\r\n this.l_positions = new Float32Array(max * 3);\r\n this.lines = new THREE.LineSegments( this.lineGeo, l_mat );\r\n this.lineGeo.addAttribute('position', new THREE.BufferAttribute(this.l_positions, 3));\r\n \r\n this.lines.geometry.attributes.position.dynamic = true;\r\n this.lines.geometry.dynamic = true;\r\n\r\n var geometry = new THREE.CircleGeometry( this.radius, 16 );\r\n if (left & 2) {\r\n var material = (left & 1) ? left_mat : right_mat;\r\n } else {\r\n var material = (left & 1) ? top_mat : bot_mat;\r\n }\r\n \r\n this.circle = new THREE.Mesh( geometry, a_mat);\r\n this.circle.position.set(pos.x, pos.y,0);\r\n this.circle.geometry.verticesNeedUpdate = true;\r\n\r\n this.mesh = new THREE.Mesh(geo, material);\r\n this.mesh.position.set(pos.x, pos.y, 0);\r\n this.mesh.geometry.verticesNeedUpdate = true;\r\n }\r\n\r\n update () {\r\n // update velocity\r\n this.l_positions.fill(0);\r\n var weight = 0; var ind = 0;\r\n this.vel.x = 0; this.vel.y = 0; this.vel.z = 0;\r\n if (distance(this.pos, this.goal) > 0.01) {\r\n for (var i = 0; i < this.markers.length; i ++) {\r\n var mark = this.markers[i];\r\n var dist = distance(mark.pos, this.pos);\r\n\r\n var G = (this.goal).clone().sub(this.pos).normalize();\r\n var m = (mark.pos).clone().sub(this.pos);\r\n var theta = G.dot((m.clone()).normalize());\r\n mark.weight = (1 + theta) / (1 + dist);\r\n weight += mark.weight;\r\n this.vel.add(m.multiplyScalar(mark.weight));\r\n \r\n this.l_positions[ind++] = mark.pos.x; this.l_positions[ind++] = mark.pos.y; this.l_positions[ind++] = 0;\r\n this.l_positions[ind++] = this.pos.x; this.l_positions[ind++] = this.pos.y; this.l_positions[ind++] = 0;\r\n }\r\n if (this.markers.length != 0) this.vel.divideScalar(this.markers.length * weight);\r\n this.vel.clampLength(-this.radius, this.radius);\r\n }\r\n \r\n // update position\r\n this.pos.add(this.vel);\r\n this.mesh.position.set(this.pos.x, this.pos.y, 0);\r\n this.circle.position.set(this.pos.x, this.pos.y, 0);\r\n this.lines.geometry.setDrawRange(0, 2.0 * this.markers.length);\r\n this.lines.geometry.attributes.position.needsUpdate = true;\r\n }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/agent.js"],"sourceRoot":""} \ No newline at end of file diff --git a/src/main.js b/src/main.js index 273caaee..ae51028f 100644 --- a/src/main.js +++ b/src/main.js @@ -101,7 +101,7 @@ function setupGUI(gui) { if (value) App.bioCrowd.show(); else App.bioCrowd.hide(); }); - a.add(App.config, 'numAgents', 1, 50).step(1).onChange(function(value) { + a.add(App.config, 'numAgents', 1, 200).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); @@ -113,11 +113,11 @@ function setupGUI(gui) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'cellRes', 0, 100).step(1).onChange(function(value) { + g.add(App.config, 'cellRes', 0, 1000).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); }); - g.add(App.config, 'gridWidth', 0, 50).step(1).onChange(function(value) { + g.add(App.config, 'gridWidth', 0, 100).step(1).onChange(function(value) { App.config.gridHeight = value; App.scene.remove(App.plane); App.plane.geometry.dispose(); App.plane.material.dispose(); @@ -125,13 +125,13 @@ function setupGUI(gui) { setupScene(App.scene); setupCamera(App.camera); }); - g.add(App.config, 'gridRes', 0, 10).step(1).onChange(function(value) { + g.add(App.config, 'gridRes', 0, 100).step(1).onChange(function(value) { App.scene.remove(App.plane); App.plane.geometry.dispose(); App.plane.material.dispose(); App.bioCrowd.reset(); setupScene(App.scene); }); - gui.add(App, 'obstacles', 0, 5).onChange(function(value) { + gui.add(App, 'obstacles', 0, 10).step(1).onChange(function(value) { App.bioCrowd.reset(); App.bioCrowd = new BioCrowd(App); });